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WO2025234593A1 - Écran tactile et dispositif électronique comprenant celui-ci - Google Patents

Écran tactile et dispositif électronique comprenant celui-ci

Info

Publication number
WO2025234593A1
WO2025234593A1 PCT/KR2025/003682 KR2025003682W WO2025234593A1 WO 2025234593 A1 WO2025234593 A1 WO 2025234593A1 KR 2025003682 W KR2025003682 W KR 2025003682W WO 2025234593 A1 WO2025234593 A1 WO 2025234593A1
Authority
WO
WIPO (PCT)
Prior art keywords
touch
signal
driving
sensitive display
time interval
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2025/003682
Other languages
English (en)
Korean (ko)
Inventor
허훈도
박성수
김정원
송아람
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020240072578A external-priority patent/KR20250161364A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2025234593A1 publication Critical patent/WO2025234593A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details

Definitions

  • a touch-sensitive display can detect an external object touching or hovering over the touch-sensitive display.
  • the touch-sensitive display can detect an external object touching or hovering over the touch-sensitive display by measuring changes in capacitance on a surface of the touch-sensitive display.
  • the touch-sensitive display can detect an external object touching or hovering over the touch-sensitive display by measuring changes in inductance on a surface of the touch-sensitive display.
  • the touch-sensitive display can be included in a computing device such as a smartphone, a tablet, or a laptop computer.
  • the touch-sensitive display may include a first layer comprising first electrode sets, second electrode sets, and at least one first loop coil. Each of the first electrode sets may extend in a first direction. Each of the second electrode sets may extend in a second direction perpendicular to the first direction.
  • the touch-sensitive display may include a second layer disposed below the first layer, the second layer comprising at least one second loop coil.
  • the touch-sensitive display may include a first driver integrated circuit (IC) coupled to the first electrode sets and the second electrode sets and configured to detect a finger touch input based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets.
  • IC driver integrated circuit
  • the touch-sensitive display may include a second driver IC coupled to the at least one first loop coil and the at least one second loop coil and configured to detect a stylus touch input based on a stylus signal transmitted by a stylus causing a stylus touch input.
  • Each of the at least one first loop coil may include first conductive wire portions extending in the first direction and arranged in parallel in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions connecting the first conductive wire portions and extending in the second direction.
  • the first driver IC may be configured to transmit a first drive signal to the first electrode sets to identify a finger touch input applied to the touch-sensitive display within a first time interval.
  • the second driver IC may be configured to transmit a signal corresponding to the first drive signal to the at least one first loop coil within the first time interval.
  • the second driving IC may be configured to transmit a second driving signal to the at least one second loop coil to identify a stylus touch input applied to the touch sensitive display within a second time interval.
  • the touch-sensitive display may include a first layer comprising first electrode sets, second electrode sets, and at least one first loop coil. Each of the first electrode sets may extend in a first direction. Each of the second electrode sets may extend in a second direction perpendicular to the first direction.
  • the touch-sensitive display may include a second layer disposed below the first layer, the second layer comprising at least one second loop coil.
  • the touch-sensitive display may include a first driver integrated circuit (IC) coupled to the first electrode sets and the second electrode sets and configured to detect a finger touch input based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets.
  • IC driver integrated circuit
  • the touch-sensitive display may include a second driving IC coupled to the at least one first loop coil and the at least one second loop coil and configured to detect a stylus touch input based on a stylus signal transmitted by a stylus causing a stylus touch input.
  • Each of the at least one first loop coil may include first conductive wire portions extending in the first direction and arranged in parallel in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions connecting the first conductive wire portions and extending in the second direction.
  • the second driving IC may be configured to generate a signal corresponding to a first driving signal transmitted from the first driving IC to the first electrode sets within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets, and to transmit the generated signal to the at least one first loop coil.
  • the second driving IC may be configured to generate a second driving signal within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between the at least one first loop coil and the stylus, and to transmit the generated second driving signal to the at least one second loop coil.
  • the touch-sensitive display may include a first driver integrated circuit (IC).
  • the touch-sensitive display may include a second driver IC.
  • the touch-sensitive display may include a layer.
  • the touch-sensitive display may include another layer beneath the layer.
  • the layer may include electrode sets, each extending in a first direction and arranged side by side in a second direction perpendicular to the first direction.
  • the layer may include one or more loop coils.
  • the other layer may include one or more other loop coils.
  • Each of the one or more loop coils may include first conductive wire portions, each extending in the first direction and arranged side by side in the second direction so as to be positioned between the electrode sets.
  • Each of the one or more loop coils may include a second conductive wire portion, connecting the first conductive wire portions and extending in the second direction.
  • the second driver IC may be configured to receive, from the first driver IC, a signal corresponding to a first drive signal transmitted from the first driver IC to each of the electrodes, and transmit the signal to each of the one or more loop coils, within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between electrodes included in the electrode sets and/or changes in capacitive coupling between each of the electrodes and an external object.
  • the second driver IC may be configured to transmit a second drive signal to each of the one or more other loop coils, within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between each of the one or more loop coils and an external object.
  • the touch-sensitive display may include a first driver IC.
  • the touch-sensitive display may include a second driver IC.
  • the touch-sensitive display may include a layer.
  • the touch-sensitive display may include another layer beneath the layer.
  • the layer may include electrode sets, each extending in a first direction and arranged side by side in a second direction perpendicular to the first direction.
  • the layer may include one or more loop coils.
  • Each of the one or more loop coils may include first conductive wire portions, each extending in the first direction and arranged side by side in the second direction so as to be positioned between the electrode sets.
  • Each of the one or more loop coils may include a second conductive wire portion, connecting the first conductive wire portions and extending in the second direction.
  • the second driving IC may be configured to generate a signal corresponding to a first driving signal transmitted from the first driving IC to each of the electrodes within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between electrodes included in the electrode sets and/or changes in capacitive coupling between each of the electrodes and an external object, and to transmit the generated signal to each of the one or more loop coils.
  • the second driving IC may be configured to generate a second driving signal within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between each of the one or more loop coils and an external object, and to transmit the generated second driving signal to each of the one or more other loop coils.
  • Each of the above-described touch-sensitive displays may be included in an electronic device comprising at least one processor including a processing circuit, and one or more storage media, and a memory storing instructions individually or collectively executable by the at least one processor.
  • the instructions may be for controlling the touch-sensitive display.
  • Figure 1 illustrates a touch-sensitive display.
  • FIG. 2 illustrates the geometry of electrodes and one or more first loop coils included within a touch sensitive display.
  • Figures 3 and 4 are cross-sectional views of section A-A' of Figure 2.
  • Figure 5 illustrates an example of parasitic capacitance caused between an electrode and a first conductive wire portion according to a first driving signal.
  • Figure 6 is a schematic view of an electronic device including a touch sensitive display.
  • FIG. 7 schematically illustrates a touch sensitive display including a switch within a second driver integrated circuitry (IC) for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an example configuration.
  • IC driver integrated circuitry
  • Figure 8 is a timing diagram showing a first driving signal, a second driving signal, and a signal.
  • Figure 9 illustrates an example of shortening the first time interval and lengthening the second time interval.
  • Figure 10 illustrates an example of lengthening the first time interval and shortening the second time interval.
  • FIG. 11 schematically illustrates a touch sensitive display including a switch outside a second drive circuit for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an exemplary configuration.
  • FIG. 12 schematically illustrates a touch sensitive display including a switch within a single driver IC for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an exemplary configuration.
  • FIG. 13 schematically illustrates a touch sensitive display including a second driver IC adaptively transmitting a signal corresponding to a first drive signal to each of one or more first loop coils or transmitting a second drive signal to each of one or more second loop coils, according to a configuration example.
  • FIG. 14 is a block diagram of an electronic device within a network environment according to various embodiments.
  • FIG. 15 is a block diagram of a display module according to various embodiments.
  • Figure 1 illustrates a touch-sensitive display.
  • the touch sensitive display (110) can detect an external object that touches or hovers above the touch sensitive surface (120) of the touch sensitive display (110).
  • the touch sensitive display (110) can detect an external object touching or hovering over the touch sensitive surface (120) by measuring changes in capacitance at the touch sensitive surface (120).
  • the touch sensitive display (110) can detect a finger (111) touching or hovering over the touch sensitive surface (120) by measuring changes in capacitance at the touch sensitive surface (120).
  • the touch sensitive display (110) can generate (or obtain) data associated with an area (121) within the touch sensitive surface (120) based on changes in capacitance at the touch sensitive surface (120) caused by a finger (111) touching or hovering over the touch sensitive surface (120).
  • the data may be utilized by at least one processor (e.g., including a processing circuit) of an electronic device (100) including a touch-sensitive display (110).
  • the data provided from the touch-sensitive display (110) to the at least one processor may be utilized by the at least one processor to provide feedback regarding a touch input associated with a finger (111) touching or hovering over the touch-sensitive surface (120).
  • the touch sensitive display (110) can detect a stylus (112) touching or hovering over the touch sensitive surface (120) by measuring changes in electromagnetic inductance (or changes in inductance) at the touch sensitive surface (120).
  • the touch sensitive display (110) can generate (or obtain) data associated with an area (122) within the touch sensitive surface (120) based on changes in electromagnetic inductance at the touch sensitive surface (120) caused by the stylus (112) touching or hovering over the touch sensitive surface (120).
  • the data can be utilized by the at least one processor.
  • the data provided to the at least one processor from the touch sensor display (110) may be utilized by the at least one processor to provide feedback on a touch input associated with a stylus (112) touching or hovering over the touch sensitive surface (120).
  • the touch-sensitive display (110) may be configured to identify (or measure) changes in capacitance and/or changes in inductance.
  • the touch-sensitive display (110) may include components to support both detecting an external object touching or hovering over the touch-sensitive surface (120) based on changes in capacitance and detecting an external object touching or hovering over the touch-sensitive surface (120) based on changes in inductance. The components are described and illustrated in detail with reference to FIG. 2 .
  • FIG. 2 illustrates the geometry of electrodes and one or more first loop coils included within a touch sensitive display.
  • the touch sensitive display (110) may include first electrode sets (211), second electrode sets (212), and one or more first loop coils (260) (or at least one first loop coil (260)), such as a representative portion (200) of the touch sensitive display (110).
  • the first electrode sets (211) and the second electrode sets (212) can be used to measure (or identify) changes in capacitive coupling.
  • the electrodes (213) included in the first electrode sets (211) and the second electrode sets (212) can be used to identify an input on the touch-sensitive display (110) (or the touch-sensitive surface (120)) based on changes in capacitive coupling between the electrodes (213) and/or changes in capacitive coupling between each of the electrodes (213) and an external object (e.g., a finger (111)).
  • changes in capacitive coupling between the electrodes (213) of the first electrode sets (211) and the second electrode sets (212) can be used to detect a finger touch input.
  • each of the first electrode sets (211) may extend in a first direction (201).
  • the first electrode sets (211) may be arranged side by side in a second direction (202) that is perpendicular to the first direction (201).
  • the first electrode sets (211) that each extend in the first direction (201) may be juxtaposed in the second direction (202).
  • the first electrode sets (211) may be arranged in a juxtaposed relationship at equal distances.
  • each of the second electrode sets (212) may extend in the second direction (202).
  • the second electrode sets (212) may be arranged in parallel in the first direction (201).
  • the second electrode sets (212) each extending in the second direction (202) may be arranged in parallel in the first direction (201).
  • the second electrode sets (212) may be arranged in a parallel relationship at equal distances.
  • each of the first electrode sets (211) may include electrodes arranged in a first direction (201).
  • the first electrode sets (211) may include an electrode set including electrodes (211-1) arranged in the first direction (201), an electrode set including electrodes (211-2) arranged in the first direction (201), an electrode set including electrodes (211-3) arranged in the first direction (201), and an electrode set including electrodes (211-4) arranged in the first direction (201).
  • each of the second electrode sets (212) may include electrodes arranged in the second direction (202).
  • the second electrode sets (212) may include an electrode set including electrodes (212-1) arranged in the second direction (202), an electrode set including electrodes (212-2) arranged in the second direction (202), an electrode set including electrodes (212-3) arranged in the second direction (202), an electrode set including electrodes (212-4) arranged in the second direction (202), and an electrode set including electrodes (212-5) arranged in the second direction (202).
  • one or more of the first loop coils (260) can be used to measure (or identify) changes in inductive coupling.
  • one or more of the first loop coils (260) can be used to identify an input on the touch-sensitive display (110) (or the touch-sensitive surface (120)) based on changes in inductive coupling between each of the one or more first loop coils (260) and an external object (e.g., a stylus (112)).
  • changes in inductive coupling between the external object and each of the one or more first loop coils (260) can be used to detect a stylus touch input.
  • one or more of the first loop coils (260) can be used to detect a stylus touch input based on a stylus signal transmitted by the stylus.
  • each of the one or more first loop coils (260) may be formed by first conductive wire portions (261) and second conductive wire portions (262).
  • each of the one or more first loop coils (260) may include first conductive wire portions (261) and second conductive wire portions (262).
  • the first conductive wire portions (261) may each extend in the first direction (201).
  • the first conductive wire portions (261) may be arranged side by side in the second direction (202).
  • the first conductive wire portions (261) extending in the first direction (201) may be arranged side by side in the second direction (202) so as to be positioned between the first electrode sets (211).
  • the first electrode sets (211) and the first conductive wire portions (261) may be interleaved.
  • the first electrode sets (211) and the first conductive wire portions (261) may be arranged in an interleaved arrangement.
  • the first electrode sets (211) and the first conductive wire portions (261) may alternate with each other.
  • the first conductive wire portions (261) may include a conductive wire portion (261-1), a conductive wire portion (261-2), a conductive wire portion (261-3), and a conductive wire portion (261-4).
  • the electrode set including the electrodes (211-1) may be positioned between the conductive wire portion (261-1) and the conductive wire portion (261-2).
  • the conductive wire portion (261-2) may be positioned between the electrode set including the electrodes (211-1) and the electrode set including the electrodes (211-2).
  • the conductive wire portion (261-3) may be positioned between an electrode set including electrodes (211-2) and an electrode set including electrodes (211-3).
  • the conductive wire portion (261-4) may be positioned between an electrode set including electrodes (211-3) and an electrode set including electrodes (211-4).
  • the second conductive wire portion (262) can extend in the second direction (202).
  • the second conductive wire portion (262) extending in the second direction (202) can connect at least a portion of the first conductive wire portions (261) to each other.
  • the second conductive wire portion (262) extending in the second direction (202) can connect the first conductive wire portions (261).
  • the second conductive wire portion (262) extending in the second direction (202) can connect one (a) conductive wire portion (e.g., conductive wire portion (261-1)) of the first conductive wire portions (261) and another (a) conductive wire portion (e.g., conductive wire portion (261-2)) of the first conductive wire portions (261).
  • a portion of one or more of the first loop coils (260) may include a third conductive wire portion (not shown) extending in the second direction (202) and connected to another portion of one or more of the first loop coils (260).
  • first electrode sets (211) and the one or more first loop coils (260) may be included in one layer (or a single layer) within the touch sensitive display (110).
  • the second electrode sets (212) and the one or more first loop coils (260) may be included in one layer (or a single layer) within the touch sensitive display (110).
  • a layer of the touch sensitive display (110) including the first electrode sets (211) and the one or more first loop coils (260) is described and illustrated in detail with reference to FIGS. 3 and 4.
  • Figures 3 and 4 are cross-sectional views of section A-A' of Figure 2.
  • FIGS. 3 and 4 may be referenced by the configurations of other drawings.
  • the same terms and/or the same reference numerals are used for configurations that are identical or substantially identical to those of other drawings, and any duplicate descriptions may be omitted.
  • a touch sensitive display (110) may include a layer (301), at least one layer (302), and a layer (303).
  • the layer (301) may be a layer that supports both detecting an external object touching or hovering over the touch sensitive display (110) based on changes in capacitance and detecting an external object touching or hovering over the touch sensitive display (110) based on changes in inductance.
  • the layer (301) may include first electrode sets (211) and one or more first loop coils (260). Within the layer (301), the one or more first loop coils (260) may be positioned substantially on the same horizontal plane as the first electrode sets (211).
  • the layer (301) may include electrodes (211-1), electrodes (211-2), and a conductive wire portion (261-2) between an electrode set including electrodes (211-1) and an electrode set including electrodes (211-2).
  • the electrodes (211-1), the electrodes (211-2), and the conductive wire portion (261-2) may be positioned on the same horizontal plane as each other.
  • the electrodes (211-1), the electrodes (211-2), and the conductive wire portion (261-2) may be positioned on the same horizontal plane as each other to reduce the thickness of the touch sensitive display (110).
  • the layer (303) may be disposed below the layer (301).
  • the layer (303) may include one or more second loop coils (360) (or at least one second loop coil (360)).
  • one or more first loop coils (260) in the layer (301) may be used to receive a first electromagnetic signal (e.g., the stylus signal) transmitted through a tip of a stylus (e.g., the stylus (112)) that touches or hovers over the touch sensitive display (110).
  • a first electromagnetic signal e.g., the stylus signal
  • a tip of a stylus e.g., the stylus (112)
  • one or more second loop coils (360) in the layer (303) may be used to transmit a second electromagnetic signal that causes the stylus (112) to transmit the first electromagnetic signal through the tip of the stylus.
  • the second electromagnetic signal may be transmitted according to the second driving signal transmitted from the second driving IC (e.g., the second driving IC (602) of FIG. 6) to each of one or more second loop coils (360).
  • the second driving IC e.g., the second driving IC (602) of FIG. 6
  • one or more first loop coils (260) in a layer (301) used to receive the first electromagnetic signal may be described as a receiving coil
  • one or more second loop coils (360) in a layer (303) used to transmit the second electromagnetic signal may be described as a transmitting coil.
  • one or more first loop coils (260) within the layer (301) used to receive the first electromagnetic signal may be described as a receiving portion of a digitizer (330) (or a sensor (330) of the digitizer), and one or more second loop coils (360) within the layer (303) used to transmit the second electromagnetic signal may be described as a transmitting portion of the digitizer (330) (or a sensor (330) of the digitizer).
  • At least one layer (302) may be disposed between layers (301) and (303).
  • at least one layer (302) may be described as a light-emitting layer for displaying an image on the touch-sensitive display (110).
  • at least one layer (302) may include light-emitting elements (or light-emitting diodes) that constitute pixels of the touch-sensitive display (110).
  • the light-emitting elements may include organic light emitting diodes (OLEDs).
  • at least one layer (302) may include a substrate including thin film transistors (TFTs) for driving the light-emitting elements.
  • TFTs thin film transistors
  • at least one layer (302) may include a layer enclosing the light-emitting elements.
  • At least one layer (302) may include a color filter substrate.
  • the color filter substrate may be positioned on the substrate including the TFTs.
  • a layer (301) may be placed on (or over) at least one layer (302), and a layer (303) may be placed under (or beneath) at least one layer (302).
  • the arrangement of at least one layer (302) and the layer (303) may vary, at least in part, depending on the configuration example.
  • the layer (303) may be disposed on (or over) at least one layer (302).
  • the touch-sensitive display (110) may include a layer (401) disposed between the layer (301) and the layer (303).
  • the layer (401) may be a passivation layer.
  • a first drive signal may be transmitted (or provided) (or applied) to each of the electrodes included in the first electrode sets (211) that are positioned substantially coplanar with the one or more first loop coils (260) to identify an input on the touch sensitive display (110) based on changes in capacitance.
  • a second drive signal may be transmitted (or provided) (or applied) to each of one or more second loop coils (e.g., one or more other loop coils (360) of FIG. 3) that are distinct from the one or more first loop coils (260) that are positioned substantially coplanar with the first electrode sets (211) to identify an input on the touch sensitive display (110) based on changes in electromagnetic inductance.
  • parasitic capacitance may be caused by the first conductive wire portions (261) positioned between the first electrode sets (211) in response to the first drive signal transmitted to each of the electrodes included in the first electrode sets (211).
  • the parasitic capacitance is described and illustrated in detail with reference to FIG. 5.
  • Figure 5 illustrates an example of parasitic capacitance caused between an electrode and a first conductive wire portion according to a first driving signal.
  • a conductive wire portion (261-K) (K is any natural number greater than 1, for example, K is 2) may be positioned between an electrode (513-1) (for example, one of the electrodes (211-1)) and an electrode (513-2) (for example, one of the electrodes (211-2)).
  • the electrode (513-1) may be electrically connected to ground (for example, a driving voltage of at least one layer (302) (for example, ELVSS)) through a capacitance (501), and the electrode (513-2) may be electrically connected to ground through a capacitance (502).
  • the conductive wire portion (261-K) may be electrically connected to ground through a capacitance (503).
  • the conductive wire portion (261-K) when transmitting the first drive signal to each of the electrodes within the first electrode sets (211), the conductive wire portion (261-K) may be a dummy for measuring changes in capacitance to identify an input on the touch sensitive display (110).
  • a parasitic capacitance (504) may be induced between the electrode (513-1) and the conductive wire portion (261-K) due to a difference between the voltage of the electrode (513-1) that received the first drive signal and the voltage of the conductive wire portion (261-K) (e.g., not receiving the first drive signal).
  • a parasitic capacitance (505) may be caused between the electrode (513-2) and the conductive wire portion (261-K) due to a difference between the voltage of the electrode (513-2) that received the first driving signal and the voltage of the conductive wire portion (261-K) (e.g., not receiving the first driving signal).
  • the parasitic capacitance (504) and the parasitic capacitance (505) are substantially unpredictable (or unexpected)
  • the parasitic capacitance (504) and the parasitic capacitance (505) may act as noise to the measurement of changes in capacitance to identify an input on the touch sensitive display (110).
  • the noise may reduce the quality of the measurement of changes in capacitance performed to identify an input on the touch sensitive display (110).
  • the touch-sensitive display (110) may include components that perform operations to reduce parasitic capacitance (or the occurrence of parasitic capacitance), such as parasitic capacitance (504) and parasitic capacitance (505).
  • parasitic capacitance or the occurrence of parasitic capacitance
  • parasitic capacitance 504
  • parasitic capacitance 505
  • the components are described and exemplified in detail with reference to FIG. 6.
  • Figure 6 is a schematic view of an electronic device including a touch sensitive display.
  • the touch sensitive display (110) may include a first driving integrated circuit (IC) (601) and a second driving IC (602).
  • IC first driving integrated circuit
  • 602 second driving IC
  • the first driving IC (601) may be configured to transmit the first driving signal to each of the electrodes included in the first electrode sets (211) to identify (or detect) an input on the touch-sensitive display (110) (or the touch-sensitive surface (120)) based on changes in capacitive coupling between the electrodes of the first electrode sets (211) and the second electrode sets (212) and/or changes in capacitive coupling between each of the electrodes and an external object (e.g., a finger (111)).
  • the first driving IC (601) may be described as a first touch IC (601).
  • the second driver IC (602) may be configured to transmit the second drive signal to each of the one or more second loop coils (360) to identify (or detect) an input on the touch sensitive display (110) (or touch sensitive surface (120)) based on changes in inductive coupling between each of the one or more first loop coils (260) and an external object.
  • the second driver IC (602) may be described as a second touch IC (602).
  • the first driver IC (601) and the second driver IC (602) may be implemented as a single integrated IC (or single driver IC).
  • the integrated IC will be described and exemplified in detail with reference to FIG. 12.
  • the touch sensitive display (110) may be associated with the electronic device (100).
  • the touch sensitive display (110) may be included in the electronic device (100) as a component of the electronic device (100).
  • the touch sensitive display (110) included in the electronic device (100) may include at least a part of the display module (1460) of FIG. 14 or correspond to at least a part of the display module (1460) of FIG. 14.
  • the first driving IC (601) and the second driving IC (602) in the touch sensitive display (110) included in the electronic device (100) may include at least a part of the touch circuit (1550) of FIG. 15 or correspond to at least a part of the touch circuit (1550) of FIG.
  • the touch sensitive display (110) may be a different device from the electronic device (100) and may be (operably (or electrically) (or functionally)) connected to the electronic device (100).
  • an electronic device (100) associated with a touch sensitive display (110) may include at least one processor (620) including a processing circuit, and a memory (630) including one or more storage media.
  • At least one processor (620) may be configured to control the touch sensitive display (110) (or the first driver IC (601) and the second driver IC (602)) to reduce (or prevent) (or eliminate) parasitic capacitance (e.g., parasitic capacitance (504) and/or parasitic capacitance (505)) (or the occurrence of the parasitic capacitance).
  • at least one processor (620) may be configured to execute instructions stored in the memory (630).
  • at least one processor (620) may include at least a portion of the processor (1420) of FIG. 14 or may correspond to at least a portion of the processor (1420) of FIG. 14.
  • the memory (630) may store the instructions.
  • the instructions may be individually or collectively executable by at least one processor (620).
  • the instructions may be for controlling a touch-sensitive display (110).
  • the first time interval for transmitting the first driving signal and the second time interval for transmitting the second driving signal may be different from each other.
  • the electrodes of the first electrode sets (211) and the second electrode sets (212) and one or more first loop coils (260) are included in one layer of the touch sensitive display (110), the first time interval and the second time interval may not overlap (or may be different from) each other.
  • the first time interval may be a time interval for identifying an input on the touch-sensitive display (110) based on changes in capacitive coupling between electrodes of the first electrode sets (211) and the second electrode sets (21) and/or changes in capacitive coupling between each of the electrodes and an external object.
  • the first time interval may be a time interval for measuring changes in capacitance.
  • the first time interval may be a time interval for identifying an input (e.g., a finger touch input) from a finger (e.g., a finger (111)).
  • the second time interval that does not overlap with the first time interval may be a time interval for identifying an input on the touch sensitive display (110) based on changes in inductive coupling between each of the one or more first loop coils (260) and an external object.
  • the second time interval may be a time interval for measuring changes in inductance.
  • the second time interval may be a time interval for identifying an input (e.g., a stylus touch input) from a stylus (e.g., the stylus (112)).
  • a signal corresponding to the first drive signal may be transmitted to one or more first loop coils (260) within the first time interval.
  • the signal may be identical to the first drive signal.
  • the signal may be different from the first drive signal, but the signal may have a waveform identical to or similar to the waveform of the first drive signal.
  • the first conductive wire portions (261) that receive the signal within the first time interval may have a voltage corresponding to the voltage of each of the electrodes in the first electrode sets (211) that receive the first drive signal within the first time interval.
  • the parasitic capacitance can be reduced, eliminated, or prevented.
  • the signal may be described as a guard signal, a protection signal, a shield signal, or a shielding signal.
  • touch-sensitive display (110) for transmitting the signal to each of the one or more first loop coils (260) within the first time interval.
  • the configuration examples are described and illustrated in detail with reference to FIG. 7.
  • FIG. 7 schematically illustrates a touch sensitive display including a switch within a second driver integrated circuitry (IC) for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an example configuration.
  • IC driver integrated circuitry
  • the first driving IC (601) can transmit a first driving signal (711) to each of the first electrode sets (211) within the first time interval, and transmit a signal (713) corresponding to the first driving signal (711) to each of one or more first loop coils (260) via the second driving IC (602).
  • the first driving signal (711) and the signal (713) can be generated by the signal generation circuit (701) within the first driving IC (601).
  • the first driving IC (601) can transmit the signal (713) to the second driving IC (602) while transmitting the first driving signal (711) within the first time interval.
  • the second driving IC (602) can receive a signal (713) from the first driving IC (601) within the first time interval and transmit the signal (713) to each of one or more first loop coils (260).
  • the second driving IC (602) may transmit a second driving signal (712) to each of one or more second loop coils (360) within the second time interval.
  • the second driving signal (712) may be generated by a signal generation circuit (702) within the second driving IC (602), unlike a signal (713) received from the first driving IC (601).
  • the first driving IC (601) may connect the first electrode sets (211) (or electrodes within the first electrode sets (211)) to ground (e.g., the ground illustrated in FIG. 5) within the second time interval.
  • ground e.g., the ground illustrated in FIG. 5
  • the touch sensitive display (110) may include a first interface (721) (or a first path (721) (or a first electrical path (721) (or a first signal path (721))) for a signal (713) transmitted from the first driving IC (601) to the second driving IC (602) within the first time interval.
  • the first interface (721) may connect the second driving IC (602) to the first driving IC (601).
  • a component for adaptively changing the path from the second drive IC (602) may be included within the second drive IC (602).
  • the second driver IC (602) may include a switch (703).
  • the switch (703) may include a first terminal (703-1) connected to the first driver IC (601) (or the signal generation circuit (701)), a second terminal (703-2) connected to the signal generation circuit (702), and a third terminal (703-3) connected to the digitizer (330).
  • the second driver IC (602) may control the switch (703) to connect the first terminal (703-1) of the first terminal (703-1) and the second terminal (703-2) to the third terminal (703-3) in order to transmit the signal (713) to each of the one or more first loop coils (260) within the first time interval.
  • the second driving IC (602) can control the switch (703) to connect the second terminal (703-2) among the first terminal (703-1) and the second terminal (703-2) to the third terminal (703-3) in order to transmit the second driving signal (712) to each of one or more second loop coils (360) within the second time interval.
  • the touch sensitive display (110) may further include another switch connected to the third terminal (703-3) of the switch (703).
  • the other switch may be controlled to connect one or more first loop coils (260) to the third terminal (703-3) of the switch (703) within the first time interval to transmit a signal (713) to each of the one or more first loop coils (260), and may be controlled to connect one or more second loop coils (360) to the third terminal (703-3) of the switch (703) within the second time interval to transmit a second driving signal (712) to each of the one or more second loop coils (360).
  • the control of the other switch may be performed by the second driving IC (602).
  • the control of the other switch may be performed by at least one processor (620).
  • a command may be generated to control the switch (703) to connect the first terminal (703-1) to the third terminal (703-3) within the first time interval and to control the switch (703) to connect the second terminal (703-2) to the third terminal (703-3) within the second time interval.
  • the command may be generated by at least one processor (620).
  • the command generated by the at least one processor (620) may be transmitted from the at least one processor (620) to the second driver IC (602) via the first driver IC (601).
  • the command generated by the at least one processor (620) may be directly transmitted from the at least one processor (620) to the second driver IC (602).
  • an indication signal (723) may be generated by the first driver IC (601) to control the switch (703) to connect the first terminal (703-1) to the third terminal (703-3) within the first time interval and to control the switch (703) to connect the second terminal (703-2) to the third terminal (703-3) within the second time interval.
  • the indication signal (723) may be generated by the first driver IC (601) in response to a command generated by at least one processor (620) and transmitted from the at least one processor (620) to the first driver IC (601).
  • the indication signal (723) may be transmitted from the first driver IC (601) to the second driver IC (602).
  • an indication signal (723) transmitted to the second driving IC (602) may cause the second driving IC (602) to control the switch (703) to connect the first terminal (703-1) to the third terminal (703-3) within the first time interval and to control the switch (703) to connect the second terminal (703-2) to the third terminal (703-3) within the second time interval.
  • the indication signal (723) may be in the first state or in the second state.
  • the first driver IC (601) may transmit the indication signal (723) in the first state within the first time interval and transmit the indication signal (723) in the second state within the second time interval.
  • the second driver IC (602) may control the switch (703) to connect the first terminal (703-1) to the third terminal (703-3) based on the indication signal (723) in the first state received from the first driver IC (601), and may control the switch (703) to connect the second terminal (703-2) to the third terminal (703-3) based on the indication signal (723) in the second state received from the first driver IC (601).
  • the touch sensitive display (110) may include an interface for an indication signal (723) transmitted from a first driving IC (601) to a second driving IC (602).
  • the interface may include a first interface (721).
  • the interface may include a second interface (722) that is different from the first interface (721).
  • the second interface (722) may connect the second driving IC (602) to the first driving IC (601).
  • the first drive signal (711), the second drive signal (712), the signal (713), and the indication signal (723) are described and illustrated in detail with reference to FIG. 8.
  • Figure 8 is a timing diagram showing a first driving signal, a second driving signal, and a signal.
  • the touch sensitive display (110) can display an image on the touch sensitive display (110) based on a vertical synchronization signal (800).
  • a first time interval (801) can be a part of a time interval (890) of the vertical synchronization signal (800)
  • a second time interval (802) can be another part of the time interval (890).
  • the first driver IC (601) can transmit an indication signal (723) within the second state to the second driver IC (602) based on identifying the second time interval (802).
  • the second driver IC (602) can output a second driver signal (712) based on the indication signal (723) within the second state, as indicated by arrow (891).
  • the second driver signal (712) output by the second driver IC (602) can be transmitted from the second driver IC (602) to each of one or more second loop coils (360), as indicated by arrow (892).
  • the second drive signal (721) output by the second drive IC (602) may be transmitted to each of one or more second loop coils (360) via a switch (703) controlled according to an indication signal (723) within the second state.
  • the first drive IC (601) may refrain from (or stop) (or block) (or skip) (or bypass) outputting the first drive signal (711) as indicated by the state (893) upon identifying the second time interval (802).
  • the first drive signal (711) may not be transmitted to each of the electrodes within the first electrode sets (211) as indicated by the state (894) within the second time interval (802).
  • each of the electrodes may be connected to ground within the second time interval (802).
  • the first driver IC (601) can transmit an indication signal (723) within the first state to the second driver IC (602) based on identifying the first time interval (801).
  • the second driver IC (602) can refrain from (or stop) (or block) (or skip) (or bypass) outputting the second driver signal (712) based on the indication signal (723) within the first state, as indicated by arrow (895).
  • the first driver IC (601) can output the first driver signal (711) based on identifying the first time interval (801), as indicated by state (896).
  • a first drive signal (711) output from a first drive IC (601) (or a signal (713) corresponding to the first drive signal (711) (e.g., output from the first drive IC (601) according to identifying a first time interval (801)) may be transmitted to each of the first conductive wire portions (261) (or to each of one or more first loop coils (260)), as indicated by arrows (897).
  • a first drive signal (711) (or signal (713)) output from a first drive IC (601) may be transmitted to each of the first conductive wire portions (261) via a switch (703) controlled based on an indication signal (723) within the first state.
  • the first driving signal (711) output from the first driving IC (601) can be transmitted to each of the electrodes in the first electrode sets (211), as indicated by arrows (898).
  • the voltage of each of the first conductive wire portions (261) that received the first driving signal (711) (or signal (713)) can correspond to the voltage of each of the electrodes that received the first driving signal (711).
  • the touch sensitive display (110) can reduce, eliminate, or prevent the parasitic capacitance from occurring within the first time interval (801).
  • the length of the first time interval (801) and the length of the second time interval (802) can be adaptively changed depending on whether the first electromagnetic signal transmitted through the tip of the stylus (e.g., the stylus (112)) is received.
  • Adaptively changing the length of the first time interval (801) and adaptively changing the length of the second time interval (802) are described and exemplified in detail with reference to FIGS. 9 and 10.
  • Figure 9 illustrates an example of shortening the first time interval and lengthening the second time interval.
  • the second time interval (802) may be lengthened based on receiving the first electromagnetic signal transmitted through the tip of the stylus (e.g., the stylus (112)) via one or more first loop coils (260) (or first conductive wire portions (261)).
  • the first time interval (801) may be shortened based on receiving the first electromagnetic signal transmitted through the tip of the stylus via one or more first loop coils (260) (or first conductive wire portions (261)).
  • the shortened first time interval (801) may be assigned to identify a change in temperature.
  • the second time interval (802) may be longer than the first time interval (801).
  • the time (or time duration) during which the second drive signal (712) is transmitted to each of the one or more second loop coils (360) as indicated by the state (901) may be longer than the time during which the first drive signal (711) (or signal (713)) is transmitted to each of the first conductive wire portions (261) as indicated by the state (902).
  • the time (or time duration) during which the first drive signal (711) is not transmitted to each of the electrodes in the first electrode sets (211), as represented by the state (903), may be longer than the time during which the first drive signal (711) is transmitted to each of the electrodes in the first electrode sets (211), as represented by the state (904).
  • shortening the first time interval (801) and lengthening the second time interval (802) may be executed by at least one processor (620).
  • the memory (630) may store instructions for controlling the first driver IC (601) and/or the second driver IC (602) to shorten the first time interval (801) and lengthen the second time interval (802), based on receiving the first electromagnetic signal, when executed individually or collectively by the at least one processor (620).
  • Figure 10 illustrates an example of lengthening the first time interval and shortening the second time interval.
  • the second time interval (802) may be shortened based on the first electromagnetic signal transmitted through the tip of the stylus (e.g., the stylus (112)) not being received through one or more of the first loop coils (260) (or the first conductive wire portions (261)).
  • the shortened second time interval (802) may be allocated to identify (or monitor) whether the first electromagnetic signal transmitted through the tip of the stylus is received.
  • the first time interval (801) may be lengthened based on the first electromagnetic signal transmitted through the tip of the stylus not being received through one or more of the first loop coils (260) (or the first conductive wire portions (261)).
  • the second time interval (802) may be shorter than the first time interval (801) while the first electromagnetic signal transmitted through the tip of the stylus is not received through one or more of the first loop coils (260) (or the first conductive wire portions (261)).
  • the time (or time duration) during which the second drive signal (712) is transmitted to each of the one or more second loop coils (360) as indicated by the state (1001) may be shorter than the time during which the first drive signal (711) (or signal (713)) is transmitted to each of the first conductive wire portions (261) as indicated by the state (1002).
  • the time (or time duration) during which the first drive signal (711) is not transmitted to each of the electrodes in the first electrode sets (211), as represented by the state (1003), may be shorter than the time during which the first drive signal (711) is transmitted to each of the electrodes, as represented by the state (1004).
  • lengthening the first time interval (801) and shortening the second time interval (802) may be executed by at least one processor (620).
  • the memory (630) may store instructions for controlling the first driver IC (601) and/or the second driver IC (602) to lengthen the first time interval (801) and shorten the second time interval (802) based on not receiving the first electromagnetic signal, when individually or collectively executed by the at least one processor (620).
  • the configuration example of the touch sensitive display (110) may be (partially) different from the configuration example of the touch sensitive display (110) illustrated in FIG. 7.
  • the configuration example of the touch sensitive display (110) that is (partially) different from the configuration example of the touch sensitive display (110) illustrated in FIG. 7 is described and illustrated in detail with reference to FIGS. 11 to 13.
  • FIG. 11 schematically illustrates a touch sensitive display including a switch outside a second drive circuit for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an exemplary configuration.
  • a switch (703) for determining (or selecting) a signal (e.g., a second driving signal (712) or a signal (713)) to be transmitted to the digitizer (330) may be located outside the second driving IC (602).
  • the switch (703) outside the second driving IC (602) may be controlled by at least one processor (620).
  • the switch (703) outside the second driving IC (602) may be controlled by the first driving IC (601).
  • the switch (703) outside the second driving IC (602) may be controlled by the second driving IC (602).
  • the touch sensitive display (110) may include a second interface (722) used for an indication signal (723).
  • FIG. 12 schematically illustrates a touch sensitive display including a switch within a single driver IC for transmitting a signal corresponding to a first drive signal to each of one or more first loop coils, according to an exemplary configuration.
  • the touch sensitive display (110) may include a single driving IC (1200) instead of the first driving IC (601) and the second driving IC (602).
  • the single driving IC (1200) may transmit a first driving signal (711) to each of the electrodes in the first electrode sets (211) within the first time interval, transmit a signal (713) to each of one or more first loop coils (260) within the first time interval, and transmit a second driving signal (712) to each of one or more second loop coils (360) within the second time interval.
  • the first driving signal (711) and signal (713) may be generated by a signal generation circuit (1201) within a single driving IC (1200).
  • the second driving signal (712) may be generated by a signal generation circuit (1202) within the single driving IC (1200).
  • the switch (1203) may include a switch (1203) for selecting one of the second driving signal (712) and signal (713).
  • the switch (1203) may be controlled, such as the switch (703) exemplified in the above description.
  • FIG. 13 schematically illustrates a touch sensitive display including a second driver IC adaptively transmitting a signal corresponding to a first drive signal to each of one or more first loop coils or transmitting a second drive signal to each of one or more second loop coils, according to a configuration example.
  • the switch (703) may be excluded (or omitted) from the second driver IC (602).
  • the second driver IC (602) may transmit a signal (713) to each of the one or more first loop coils (260) within the first time interval and transmit a second drive signal (712) to each of the one or more second loop coils (360) within the second time interval using the signal generation circuit (702).
  • the first driver IC (601) may transmit a first drive signal (711) to each of the electrodes in the first electrode sets (211) within the first time interval and refrain from transmitting the first drive signal (711) to each of the electrodes within the second time interval using the signal generation circuit (701).
  • the second driving IC (602) can generate a signal (713) corresponding to the first driving signal (711) transmitted from the first driving IC (601) to each of the electrodes in the first electrode sets (211) within the first time interval, and transmit the signal (713) to each of one or more first loop coils (260).
  • the second driving IC (602) can generate a second driving signal (712) within the second time interval, and transmit the second driving signal (712) to each of one or more second loop coils (360).
  • the first driving IC (601) may transmit an indication signal (723) (e.g., transmitted via the second interface (722)) within the first state to the second driving IC (602) within the first time interval, and may transmit an indication signal (723) within the second state to the second driving IC (602) within the second time interval.
  • an indication signal (723) e.g., transmitted via the second interface (722)
  • the second driving IC (602) may generate a signal (713) based on the indication signal (723) in the first state received from the first driving IC (601), transmit the signal (713) to each of one or more first loop coils (260), and generate a second driving signal (712) based on the indication signal (723) in the second state received from the first driving IC (601), and transmit the second driving signal (712) to each of one or more second loop coils (360).
  • the indication signal (723) may be transmitted from at least one processor (620).
  • the memory (630) may store instructions for transmitting the indication signal (723) in the first state within the first time interval to each of the first driver IC (601) and/or the second driver IC (602), and for transmitting the indication signal (723) in the second state within the second time interval to each of the first driver IC (601) and/or the second driver IC (602).
  • the above descriptions may be applied to a touch-sensitive device that does not include components for displaying an image (e.g., a display panel).
  • the structure of the touch-sensitive display (110) exemplified through the above descriptions e.g., FIGS. 2 and 3 (e.g., excluding at least one layer (302)), and FIG. 4 (e.g., excluding at least one layer (302))
  • the components of the touch-sensitive display (110) exemplified through the above descriptions e.g., the first driver IC (601) and the second driver IC (602)
  • the operations of the components of the touch-sensitive display (110) exemplified through the above descriptions may be executed (or performed) within the touch-sensitive device.
  • FIG. 14 is a block diagram of an electronic device (1401) within a network environment (1400) according to various embodiments.
  • the electronic device (1401) may communicate with the electronic device (1402) via a first network (1498) (e.g., a short-range wireless communication network), or may communicate with at least one of the electronic device (1404) or the server (1408) via a second network (1499) (e.g., a long-range wireless communication network).
  • the electronic device (1401) may communicate with the electronic device (1404) via the server (1408).
  • the electronic device (1401) may include a processor (1420), a memory (1430), an input module (1450), an audio output module (1455), a display module (1460), an audio module (1470), a sensor module (1476), an interface (1477), a connection terminal (1478), a haptic module (1479), a camera module (1480), a power management module (1488), a battery (1489), a communication module (1490), a subscriber identification module (1496), or an antenna module (1497).
  • the electronic device (1401) may omit at least one of these components (e.g., the connection terminal (1478)), or may have one or more other components added.
  • some of these components e.g., sensor module (1476), camera module (1480), or antenna module (1497)
  • the processor (1420) may, for example, execute software (e.g., a program (1440)) to control at least one other component (e.g., a hardware or software component) of the electronic device (1401) connected to the processor (1420) and perform various data processing or operations.
  • the processor (1420) may store commands or data received from other components (e.g., a sensor module (1476) or a communication module (1490)) in a volatile memory (1432), process the commands or data stored in the volatile memory (1432), and store result data in a non-volatile memory (1434).
  • the processor (1420) may include a main processor (1421) (e.g., a central processing unit or an application processor) or an auxiliary processor (1423) (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor) that can operate independently or together with the main processor (1421).
  • a main processor e.g., a central processing unit or an application processor
  • an auxiliary processor e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor
  • the auxiliary processor (1423) may be configured to use less power than the main processor (1421) or to be specialized for a given function.
  • the auxiliary processor (1423) may be implemented separately from the main processor (1421) or as a part thereof.
  • the auxiliary processor (1423) may control at least a portion of functions or states associated with at least one component (e.g., the display module (1460), the sensor module (1476), or the communication module (1490)) of the electronic device (1401), for example, on behalf of the main processor (1421) while the main processor (1421) is in an inactive (e.g., sleep) state, or together with the main processor (1421) while the main processor (1421) is in an active (e.g., application execution) state.
  • the auxiliary processor (1423) e.g., an image signal processor or a communication processor
  • the auxiliary processor (1423) may include a hardware structure specialized for processing artificial intelligence models.
  • the artificial intelligence models may be generated through machine learning. This learning can be performed, for example, in the electronic device (1401) itself where the artificial intelligence model is executed, or can be performed through a separate server (e.g., server (1408)).
  • the learning algorithm can include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above.
  • the artificial intelligence model can include a plurality of artificial neural network layers.
  • the artificial neural network can be one of a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), deep Q-networks, or a combination of two or more of the above, but is not limited to the examples described above.
  • the artificial intelligence model can also or alternatively include a software structure.
  • the memory (1430) can store various data used by at least one component (e.g., the processor (1420) or the sensor module (1476)) of the electronic device (1401).
  • the data can include, for example, software (e.g., the program (1440)) and input data or output data for commands related thereto.
  • the memory (1430) can include volatile memory (1432) or non-volatile memory (1434).
  • the program (1440) may be stored as software in memory (1430) and may include, for example, an operating system (1442), middleware (1444), or an application (1446).
  • the input module (1450) can receive commands or data to be used in a component of the electronic device (1401) (e.g., a processor (1420)) from an external source (e.g., a user) of the electronic device (1401).
  • the input module (1450) can include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).
  • the audio output module (1455) can output audio signals to the outside of the electronic device (1401).
  • the audio output module (1455) can include, for example, a speaker or a receiver.
  • the speaker can be used for general purposes, such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. In one embodiment, the receiver can be implemented separately from the speaker or as part of the speaker.
  • the display module (1460) can visually provide information to an external party (e.g., a user) of the electronic device (1401).
  • the display module (1460) may include, for example, a display, a holographic device, or a projector, and a control circuit for controlling the device.
  • the display module (1460) may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module (1470) can convert sound into an electrical signal, or vice versa. According to one embodiment, the audio module (1470) can acquire sound through the input module (1450), output sound through the sound output module (1455), or an external electronic device (e.g., electronic device (1402)) (e.g., speaker or headphone) directly or wirelessly connected to the electronic device (1401).
  • an external electronic device e.g., electronic device (1402)
  • electronic device e.g., speaker or headphone
  • the sensor module (1476) can detect the operating status (e.g., power or temperature) of the electronic device (1401) or the external environmental status (e.g., user status) and generate an electrical signal or data value corresponding to the detected status.
  • the sensor module (1476) can include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface (1477) may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device (1401) with an external electronic device (e.g., the electronic device (1402)).
  • the interface (1477) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • connection terminal (1478) may include a connector through which the electronic device (1401) may be physically connected to an external electronic device (e.g., the electronic device (1402)).
  • the connection terminal (1478) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).
  • the haptic module (1479) can convert electrical signals into mechanical stimuli (e.g., vibration or movement) or electrical stimuli that a user can perceive through tactile or kinesthetic sensations.
  • the haptic module (1479) may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module (1480) can capture still images and videos.
  • the camera module (1480) may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module (1488) can manage the power supplied to the electronic device (1401). According to one embodiment, the power management module (1488) can be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • a battery (1489) may power at least one component of the electronic device (1401).
  • the battery (1489) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
  • the communication module (1490) may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device (1401) and an external electronic device (e.g., electronic device (1402), electronic device (1404), or server (1408)), and the performance of communication through the established communication channel.
  • the communication module (1490) may operate independently from the processor (1420) (e.g., application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication.
  • the communication module (1490) may include a wireless communication module (1492) (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module (1494) (e.g., a local area network (LAN) communication module, or a power line communication module).
  • a wireless communication module e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module e.g., a local area network (LAN) communication module, or a power line communication module.
  • any of these communication modules may communicate with an external electronic device (1404) via a first network (1498) (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (1499) (e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a local area network or a wide area network)).
  • a first network e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a local area network or a wide area network)
  • a single component
  • the wireless communication module (1492) may use subscriber information (e.g., an international mobile subscriber identity (IMSI)) stored in the subscriber identification module (1496) to identify or authenticate the electronic device (1401) within a communication network such as the first network (1498) or the second network (1499).
  • subscriber information e.g., an international mobile subscriber identity (IMSI)
  • IMSI international mobile subscriber identity
  • the wireless communication module (1492) can support 5G networks and next-generation communication technologies following the 4G network, such as NR access technology (new radio access technology).
  • NR access technology can support high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimizing terminal power and connecting multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency communications (URLLC (ultra-reliable and low-latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency communications
  • the wireless communication module (1492) can support, for example, a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate.
  • a high-frequency band e.g., mmWave band
  • the wireless communication module (1492) may support various technologies for securing performance in high-frequency bands, such as beamforming, massive multiple-input and multiple-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna.
  • the wireless communication module (1492) may support various requirements specified in the electronic device (1401), an external electronic device (e.g., the electronic device (1404)), or a network system (e.g., the second network (1499)).
  • the wireless communication module (1492) may support a peak data rate (e.g., 20 Gbps or more) for eMBB implementation, a loss coverage (e.g., 164 dB or less) for mMTC implementation, or a U-plane latency (e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip) for URLLC implementation.
  • a peak data rate e.g., 20 Gbps or more
  • a loss coverage e.g., 164 dB or less
  • U-plane latency e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip
  • the antenna module (1497) can transmit or receive signals or power to or from an external device (e.g., an external electronic device).
  • the antenna module (1497) may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (e.g., a PCB).
  • the antenna module (1497) may include a plurality of antennas (e.g., an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network, such as the first network (1498) or the second network (1499), may be selected from the plurality of antennas by, for example, the communication module (1490).
  • a signal or power may be transmitted or received between the communication module (1490) and the external electronic device via the at least one selected antenna.
  • another component e.g., a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module (1497) may form a mmWave antenna module.
  • the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent a first side (e.g., a bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., a mmWave band), and a plurality of antennas (e.g., an array antenna) disposed on or adjacent a second side (e.g., a top side or a side side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band.
  • a first side e.g., a bottom side
  • a plurality of antennas e.g., an array antenna
  • At least some of the above components can be interconnected and exchange signals (e.g., commands or data) with each other via a communication method between peripheral devices (e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).
  • peripheral devices e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).
  • commands or data may be transmitted or received between the electronic device (1401) and an external electronic device (1404) via a server (1408) connected to a second network (1499).
  • Each of the external electronic devices (1402 or 1404) may be the same or a different type of device as the electronic device (1401).
  • all or part of the operations executed in the electronic device (1401) may be executed in one or more of the external electronic devices (1402, 1404, or 1408).
  • the electronic device (1401) when the electronic device (1401) is to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device (1401) may, instead of or in addition to executing the function or service itself, request one or more external electronic devices to perform the function or at least a part of the service.
  • One or more external electronic devices that receive the request may execute at least a portion of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device (1401).
  • the electronic device (1401) may process the result as is or additionally and provide it as at least a portion of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used, for example.
  • the electronic device (1401) may provide an ultra-low latency service using distributed computing or mobile edge computing, for example.
  • the external electronic device (1404) may include an Internet of Things (IoT) device.
  • the server (1408) may be an intelligent server utilizing machine learning and/or a neural network.
  • the external electronic device (1404) or the server (1408) may be included in a second network (1499).
  • the electronic device (1401) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.
  • FIG. 15 is a block diagram (1500) of a display module (1460) according to various embodiments.
  • the display module (1460) may include a display (1510) and a display driver IC (DDI) (1530) for controlling the display (1510).
  • the DDI (1530) may include an interface module (1531), a memory (1533) (e.g., a buffer memory), an image processing module (1535), or a mapping module (1537).
  • the DDI (1530) may receive image information including, for example, image data or an image control signal corresponding to a command for controlling the image data, from another component of the electronic device (1401) through the interface module (1531).
  • image information may be received from a processor (1420) (e.g., a main processor (1421) (e.g., an application processor) or an auxiliary processor (1423) (e.g., a graphics processing unit) that operates independently of the function of the main processor (1421).
  • the DDI (1530) may communicate with a touch circuit (1550) or a sensor module (1476) through the interface module (1531).
  • the DDI (1530) may store at least a part of the received image information in the memory (1533), for example, in units of frames.
  • the image processing module (1535) may, for example, perform preprocessing or postprocessing (e.g., resolution, brightness, or size adjustment) on at least a part of the image data based on at least a characteristic of the image data or a characteristic of the display (1510).
  • the mapping module (1537) may output a voltage value or a value corresponding to the image data preprocessed or postprocessed through the image processing module (1535).
  • a current value can be generated. According to one embodiment, the generation of the voltage value or current value can be performed at least in part based on, for example, the properties of the pixels of the display (1510) (e.g., the arrangement of the pixels (RGB stripe or pentile structure), or the size of each sub-pixel).
  • At least some pixels of the display (1510) can be driven at least in part based on, for example, the voltage value or current value, so that visual information (e.g., text, an image, or an icon) corresponding to the image data can be displayed through the display (1510).
  • visual information e.g., text, an image, or an icon
  • the display module (1460) may further include a touch circuit (1550).
  • the touch circuit (1550) may include a touch sensor (1551) and a touch sensor IC (1553) for controlling the same.
  • the touch sensor IC (1553) may control the touch sensor (1551) to detect, for example, a touch input or a hovering input for a specific location of the display (1510).
  • the touch sensor IC (1553) may detect a touch input or a hovering input by measuring a change in a signal (e.g., voltage, light amount, resistance, or charge amount) for a specific location of the display (1510).
  • a signal e.g., voltage, light amount, resistance, or charge amount
  • the touch sensor IC (1553) may provide information (e.g., location, area, pressure, or time) regarding the detected touch input or hovering input to the processor (1420).
  • information e.g., location, area, pressure, or time
  • at least a portion of the touch circuit (1550) e.g., touch sensor IC (1553)
  • the display module (1460) may further include at least one sensor (e.g., a fingerprint sensor, an iris sensor, a pressure sensor, or an illuminance sensor) of the sensor module (1476), or a control circuit therefor.
  • the at least one sensor or the control circuit therefor may be embedded in a part of the display module (1460) (e.g., the display (1510) or the DDI (1530)) or a part of the touch circuit (1550).
  • the biometric sensor may obtain biometric information (e.g., a fingerprint image) associated with a touch input through a part of the display (1510).
  • the sensor module (1476) embedded in the display module (1460) includes a pressure sensor
  • the pressure sensor may obtain pressure information associated with a touch input through a portion or the entire area of the display (1510).
  • the touch sensor (1551) or the sensor module (1476) may be disposed between pixels of a pixel layer of the display (1510), or above or below the pixel layer.
  • a touch-sensitive display (e.g., the touch-sensitive display (110)) may include a first layer (e.g., layer (301)) including first electrode sets (e.g., first electrode sets (211)), second electrode sets (e.g., second electrode sets (212)), and at least one first loop coil (e.g., one or more first loop coils (260)).
  • first electrode sets e.g., first electrode sets (211)
  • second electrode sets e.g., second electrode sets (212)
  • at least one first loop coil e.g., one or more first loop coils (260)
  • Each of the first electrode sets may extend in a first direction
  • each of the second electrode sets may extend in a second direction perpendicular to the first direction.
  • the touch-sensitive display may include a second layer (e.g., layer (303)) disposed below the first layer and including at least one second loop coil (e.g., one or more second loop coils (360)).
  • the touch sensitive display may include a first driver integrated circuitry (e.g., first driver IC (601)) coupled to the first electrode sets and the second electrode sets and configured to detect a finger touch input based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets, and a second driver IC (e.g., second driver IC (602)) coupled to the at least one first loop coil and the at least one second loop coil and configured to detect a stylus touch input based on a stylus signal transmitted by a stylus causing a stylus touch input.
  • first driver integrated circuitry e.g., first driver IC (601)
  • second driver IC e.g., second driver IC (602)
  • Each of the at least one first loop coil may include first conductive wire portions (e.g., first conductive wire portions (261)) extending in the first direction and arranged side by side in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions (e.g., second conductive wire portions (262)) connecting the first conductive wire portions and extending in the second direction.
  • the first driver IC may be configured to transmit a first drive signal to the first electrode sets to identify a finger touch input applied to the touch-sensitive display within a first time interval.
  • the second driver IC may be configured to transmit a signal corresponding to the first drive signal to the at least one first loop coil within the first time interval, and to transmit a second drive signal to the at least one second loop coil to identify a stylus touch input applied to the touch-sensitive display within a second time interval.
  • each of the first conductive wire portions that received the signal may have a voltage corresponding to the voltage of each of the electrodes of the first electrode sets that received the first driving signal.
  • the first driving IC may be configured to transmit the signal to the second driving IC while transmitting the first driving signal within the first time interval.
  • the second driving IC may be configured to receive the signal from the first driving IC within the first time interval and transmit the signal to the at least one first loop coil.
  • the at least one first loop coil and the at least one second loop coil may be included in a digitizer of the touch-sensitive display.
  • the second driver IC may include a signal generation circuit for generating the second drive signal, and a switch including a first terminal connected to the first driver IC, a second terminal connected to the signal generation circuit, and a third terminal connected to the digitizer.
  • the first driver IC may be configured to transmit an indication signal in a first state to the second driver IC within the first time interval, and to transmit the indication signal in a second state to the second driver IC within the second time interval.
  • the second driver IC may be configured to control the switch to connect the first terminal among the first terminal and the second terminal to the third terminal to transmit the signal received from the first driver IC to the at least one first loop coil based on the indication signal in the first state received from the first driver IC, and to control the switch to connect the second terminal among the first terminal and the second terminal to the third terminal to transmit the second drive signal to the at least one second loop coil based on the indication signal in the second state received from the first driver IC.
  • the touch sensitive display may include a first interface that connects the second driver IC to the first driver IC and is used for the signal transmitted from the first driver IC to the second driver IC, and a second interface that connects the second driver IC to the first driver IC and is different from the first interface and is used for the indication signal transmitted from the first driver IC to the second driver IC.
  • the first time interval may be a portion of a time interval of a vertical synchronization signal used to display an image on the touch-sensitive display.
  • the second time interval may be another portion of the time interval.
  • the at least one first loop coil included in the first layer may be used to receive the stylus signal, which is a first electromagnetic signal transmitted through a tip of a stylus touching or hovering above the touch-sensitive display.
  • the at least one second loop coil included in the second layer may be used to transmit a second electromagnetic signal that causes the stylus to transmit the stylus signal through the tip of the stylus.
  • the second electromagnetic signal may be transmitted in response to the second drive signal transmitted from the second driver IC to the at least one second loop coil.
  • the touch sensitive display may include a light emitting layer disposed between the first layer and the second layer.
  • the touch-sensitive display may include a light-emitting layer disposed below the first layer and the second layer, and a passivation layer disposed between the first layer and the second layer.
  • the first driving IC may be configured to connect the electrodes of the first electrode sets to ground within the second time interval.
  • the first electrode sets may be arranged side by side in the second direction, and the second electrode sets may be arranged side by side in the first direction.
  • the at least one first loop coil may be positioned level with the first electrode sets and/or the second electrode sets.
  • a touch-sensitive display (e.g., the touch-sensitive display (110)) may include a first layer (e.g., layer (301)) including first electrode sets (e.g., first electrode sets (211)), second electrode sets (e.g., second electrode sets (212)), and at least one first loop coil (e.g., one or more first loop coils (260)).
  • first electrode sets e.g., first electrode sets (211)
  • second electrode sets e.g., second electrode sets (212)
  • at least one first loop coil e.g., one or more first loop coils (260)
  • Each of the first electrode sets may extend in a first direction
  • each of the second electrode sets may extend in a second direction perpendicular to the first direction.
  • the touch-sensitive display may include a second layer (e.g., layer (303)) disposed below the first layer and including at least one second loop coil (e.g., one or more second loop coils (360)).
  • the touch sensitive display may include a first driver integrated circuitry (e.g., first driver IC (601)) coupled to the first electrode sets and the second electrode sets and configured to detect a finger touch input based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets, and a second driver IC (e.g., second driver IC (602)) coupled to the at least one first loop coil and the at least one second loop coil and configured to detect a stylus touch input based on a stylus signal transmitted by a stylus causing a stylus touch input.
  • first driver integrated circuitry e.g., first driver IC (601)
  • second driver IC e.g., second driver IC (602)
  • Each of the at least one first loop coil may include first conductive wire portions (e.g., first conductive wire portions (261)) extending in the first direction and arranged in parallel in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions (e.g., second conductive wire portions (262)) connecting the first conductive wire portions and extending in the second direction.
  • first conductive wire portions e.g., first conductive wire portions (261)
  • second conductive wire portions e.g., second conductive wire portions (262)
  • the second driving IC may be configured to generate a signal corresponding to a first driving signal transmitted from the first driving IC to the first electrode sets within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between electrodes of the first electrode sets and the second electrode sets, and transmit the generated signal to the at least one first loop coil, and to generate a second driving signal within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between the at least one first loop coil and the stylus, and to transmit the generated second driving signal to the at least one second loop coil.
  • each of the first conductive wire portions that received the signal may have a voltage corresponding to the voltage of each of the electrodes of the first electrode sets that received the first driving signal.
  • the first driving IC may be configured to transmit an indication signal in a first state to the second driving IC within the first time interval, and to transmit the indication signal in a second state to the second driving IC within the second time interval.
  • the second driving IC may be configured to generate the signal based on the indication signal in the first state received from the first driving IC, transmit the generated signal to the at least one first loop coil, and generate the second driving signal based on the indication signal in the second state received from the first driving IC, and transmit the generated second driving signal to the at least one second loop coil.
  • the touch sensitive display may include an interface that connects the second driver IC to the first driver IC and is used for the indication signal transmitted from the first driver IC to the second driver IC.
  • the first time interval may be a portion of a time interval of a vertical synchronization signal used to display an image on the touch-sensitive display.
  • the second time interval may be another portion of the time interval.
  • the at least one first loop coil within the first layer may be used to receive a first electromagnetic signal transmitted through a tip of a stylus touching or hovering above the touch-sensitive display.
  • the at least one second loop coil within the second layer may be used to transmit a second electromagnetic signal causing the stylus to transmit the first electromagnetic signal through the tip of the stylus.
  • the second electromagnetic signal may be transmitted in response to the second drive signal transmitted from the second driver IC to the at least one second loop coil.
  • the touch sensitive display may include a light emitting layer disposed between the first layer and the second layer.
  • the touch-sensitive display may include a light-emitting layer disposed below the first layer and the second layer, and a passivation layer disposed between the first layer and the second layer.
  • the first driving IC may be configured to connect electrodes of the first electrode sets to ground within the second time interval.
  • the at least one first loop coil may be positioned level with the first electrode sets and/or the second electrode sets.
  • a touch-sensitive display may include a first driver integrated circuitry (IC) (e.g., a first driver IC (601)), a second driver IC (e.g., a second driver IC (602)), a layer (e.g., a layer (301)), and another layer (e.g., a layer (303)) below the layer.
  • IC first driver integrated circuitry
  • a second driver IC e.g., a second driver IC (602)
  • a layer e.g., a layer (301)
  • another layer e.g., a layer (303)
  • the layer may include first electrode sets (e.g., first electrode sets (211)) each extending in a first direction and arranged side by side in a second direction perpendicular to the first direction, second electrode sets (e.g., second electrode sets (212)) each extending in the second direction and arranged side by side in the first direction, and one or more loop coils (e.g., one or more first loop coils (260)).
  • the other layer may include one or more other loop coils (e.g., one or more second loop coils (360)).
  • Each of the one or more loop coils may include first conductive wire portions (e.g., first conductive wire portions (261)) extending in the first direction and arranged in parallel in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions (e.g., second conductive wire portions (262)) connecting the first conductive wire portions and extending in the second direction.
  • first conductive wire portions e.g., first conductive wire portions (261)
  • second conductive wire portions e.g., second conductive wire portions (262)
  • the second driving IC may be configured to receive, from the first driving IC, a signal corresponding to a first driving signal transmitted from the first driving IC to each of the electrodes in the first electrode sets within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between electrodes included in the first electrode sets and/or changes in capacitive coupling between each of the electrodes and an external object, transmit the signal to each of the one or more loop coils, and transmit a second driving signal to each of the one or more other loop coils within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between each of the one or more loop coils and an external object.
  • each of the first conductive wire portions that received the signal may have a voltage corresponding to the voltage of each of the electrodes in the first electrode sets that received the first driving signal.
  • the first driving IC may be configured to transmit the signal to the second driving IC while transmitting the first driving signal within the first time interval.
  • the one or more loop coils and the one or more other loop coils may be included in a digitizer of the touch-sensitive display.
  • the second driver IC may include a signal generation circuit for generating the second drive signal, and a switch including a first terminal connected to the first driver IC, a second terminal connected to the signal generation circuit, and a third terminal connected to the digitizer.
  • the first driver IC may be configured to transmit an indication signal in a first state to the second driver IC within the first time interval, and to transmit the indication signal in a second state to the second driver IC within the second time interval.
  • the second driver IC may be configured to control the switch to connect the first terminal among the first terminal and the second terminal to the third terminal to transmit the signal received from the first driver IC to each of the one or more loop coils based on the indication signal in the first state received from the first driver IC, and to control the switch to connect the second terminal among the first terminal and the second terminal to the third terminal to transmit the second drive signal to each of the one or more other loop coils based on the indication signal in the second state received from the first driver IC.
  • the touch sensitive display may include a first interface that connects the second driver IC to the first driver IC and is used for the signal transmitted from the first driver IC to the second driver IC, and a second interface that connects the second driver IC to the first driver IC and is different from the first interface and is used for the indication signal transmitted from the first driver IC to the second driver IC.
  • the first time interval may be a portion of a time interval of a vertical synchronization signal used to display an image on the touch sensitive display
  • the second time interval may be another portion of the time interval
  • the one or more loop coils included within the layer may be used to receive a first electromagnetic signal transmitted through a tip of a stylus touching or hovering above the touch sensitive display, and the one or more other loop coils included within the other layer may be used to transmit a second electromagnetic signal causing the stylus to transmit the first electromagnetic signal through the tip of the stylus.
  • the second electromagnetic signal may be transmitted from the second driver IC to each of the one or more other loop coils in accordance with the second drive signal.
  • the touch sensitive display may include a light emitting layer disposed between the layer and the other layer.
  • the touch-sensitive display may include a light-emitting layer disposed below the layer and the other layer, and a passivation layer disposed between the layer and the other layer.
  • the first driving IC may be configured to connect the electrodes within the first electrode sets to ground within the second time interval.
  • the one or more loop coils may be positioned level with the first electrode sets and/or the second electrode sets.
  • a touch-sensitive display may include a first driver IC (e.g., the first driver IC (601)), a second driver IC (e.g., the second driver IC (602)), a layer (e.g., the layer (301)), and another layer (e.g., the layer (303)) below the layer.
  • a first driver IC e.g., the first driver IC (601)
  • a second driver IC e.g., the second driver IC (602)
  • a layer e.g., the layer (301)
  • another layer e.g., the layer (303)
  • the layer may include first electrode sets (e.g., the first electrode sets (211)) each extending in a first direction and arranged side by side in a second direction perpendicular to the first direction, second electrode sets (e.g., the second electrode sets (212)) each extending in the second direction and arranged side by side in the first direction, and one or more loop coils (e.g., one or more first loop coils (260)).
  • the other layer may include one or more other loop coils (e.g., one or more second loop coils (360).
  • Each of the one or more loop coils may include first conductive wire portions (e.g., first conductive wire portions (261)) extending in the first direction and arranged in parallel in the second direction so as to be positioned between the first electrode sets, and second conductive wire portions (e.g., second conductive wire portions (262)) connecting the first conductive wire portions and extending in the second direction.
  • first conductive wire portions e.g., first conductive wire portions (261)
  • second conductive wire portions e.g., second conductive wire portions (262)
  • the second driving IC may be configured to generate a signal corresponding to a first driving signal transmitted from the first driving IC to each of the electrodes in the first electrode sets within a first time interval for identifying an input on the touch-sensitive display based on changes in capacitive coupling between the electrodes of the first electrode sets and the second electrode sets and/or changes in capacitive coupling between each of the electrodes of the first electrode sets and the second electrode sets and an external object, and to transmit the generated signal to each of the one or more loop coils, and to generate a second driving signal within a second time interval for identifying an input on the touch-sensitive display based on changes in inductive coupling between each of the one or more loop coils and an external object, and to transmit the generated second driving signal to each of the one or more other loop coils.
  • each of the first conductive wire portions that received the signal may have a voltage corresponding to the voltage of each of the electrodes in the first electrode sets that received the first driving signal.
  • the first driver IC may be configured to transmit an indication signal in a first state to the second driver IC within the first time interval, and to transmit the indication signal in a second state to the second driver IC within the second time interval.
  • the second driver IC may be configured to generate the signal based on the indication signal in the first state received from the first driver IC, and to transmit the generated signal to each of the one or more loop coils, and to generate the second drive signal based on the indication signal in the second state received from the first driver IC, and to transmit the generated second drive signal to each of the one or more other loop coils.
  • the touch sensitive display may include an interface that connects the second driver IC to the first driver IC and is used for the indication signal transmitted from the first driver IC to the second driver IC.
  • the first time interval may be a portion of a time interval of a vertical synchronization signal used to display an image on the touch sensitive display
  • the second time interval may be another portion of the time interval
  • the one or more loop coils within the layer may be used to receive a first electromagnetic signal transmitted through a tip of a stylus touching or hovering above the touch sensitive display, and the one or more other loop coils within the other layer may be used to transmit a second electromagnetic signal causing the stylus to transmit the first electromagnetic signal through the tip of the stylus.
  • the second electromagnetic signal may be transmitted in response to the second drive signal transmitted from the second driver IC to each of the one or more other loop coils.
  • the touch sensitive display may include a light emitting layer disposed between the layer and the other layer.
  • the touch-sensitive display may include a light-emitting layer disposed below the layer and the other layer, and a passivation layer disposed between the layer and the other layer.
  • the first driving IC may be configured to connect the electrodes within the first electrode sets to ground within the second time interval.
  • the one or more loop coils may be positioned level with the electrode sets.
  • the touch-sensitive display exemplified above may be included in an electronic device having at least one processor including a processing circuit, and a memory including one or more storage media.
  • the memory may store instructions that, when individually or collectively executed by the at least one processor, control the first driver IC and/or the second driver IC to shorten the first time interval and lengthen the second time interval based on receiving an electromagnetic signal transmitted through a tip of a stylus touching or hovering over the touch-sensitive display via the one or more loop coils (or the at least one first loop coil), and control the first driver IC and/or the second driver IC to lengthen the first time interval and shorten the second time interval based on not receiving the electromagnetic signal via the one or more loop coils (or the at least one first loop coil).
  • the touch-sensitive display exemplified above may be included in an electronic device having at least one processor including a processing circuit and a memory including one or more storage media.
  • the memory may store instructions that, when individually or collectively executed by the at least one processor, transmit an indication signal in a first state within the first time interval to each of the first driver IC and the second driver IC, and transmit the indication signal in a second state within the second time interval to each of the first driver IC and the second driver IC.
  • Electronic devices may take various forms. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to the embodiments of this document are not limited to the aforementioned devices.
  • first,” “second,” or “first” or “second” may be used merely to distinguish one component from another, and do not limit the components in any other respect (e.g., importance or order).
  • a component e.g., a first component
  • another e.g., a second component
  • functionally e.g., a third component
  • module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit.
  • a module may be an integral component, or a minimum unit or part of such a component that performs one or more functions.
  • a module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of the present document may be implemented as software (e.g., a program (1440)) including one or more instructions stored in a storage medium (e.g., an internal memory (1436) or an external memory (1438)) readable by a machine (e.g., an electronic device (1401)).
  • a processor e.g., a processor (1420)
  • the machine may call at least one instruction among the one or more instructions stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one called instruction.
  • the one or more instructions may include code generated by a compiler or code executable by an interpreter.
  • the machine-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' simply means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently or temporarily on the storage medium.
  • the method according to various embodiments disclosed in this document may be provided as included in a computer program product.
  • the computer program product may be traded as a commodity between a seller and a buyer.
  • the computer program product may be distributed in the form of a machine-readable storage medium (e.g., compact disc read-only memory (CD-ROM)), or may be distributed online (e.g., downloaded or uploaded) via an application store (e.g., Play StoreTM) or directly between two user devices (e.g., smart phones).
  • an application store e.g., Play StoreTM
  • at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or an intermediary server.
  • each component e.g., a module or a program of the above-described components may include one or more entities, and some of the entities may be separated and placed in other components.
  • one or more components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added.
  • a plurality of components e.g., a module or a program
  • the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration.
  • the operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

Un écran tactile est divulgué. L'écran tactile peut comprendre une première couche comprenant des premiers ensembles d'électrodes, des seconds ensembles d'électrodes et au moins une première bobine de cadre. Chacun des premiers ensembles d'électrodes peut s'étendre dans une première direction. Chacun des seconds ensembles d'électrodes peut s'étendre dans une seconde direction perpendiculaire à la première direction. L'écran tactile peut comprendre une seconde couche disposée sous la première couche et comprenant au moins une seconde bobine de cadre. L'écran tactile peut comprendre un premier ensemble de circuits intégrés (CI) d'attaque couplés aux premiers ensembles d'électrodes et aux seconds ensembles d'électrodes et configurés pour détecter une entrée tactile de doigt. L'écran tactile peut comprendre un second CI d'attaque couplé à l'au moins une première bobine de cadre et à l'au moins une seconde bobine de cadre et configuré pour détecter une entrée tactile de stylet.
PCT/KR2025/003682 2024-05-08 2025-03-21 Écran tactile et dispositif électronique comprenant celui-ci Pending WO2025234593A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20240060345 2024-05-08
KR10-2024-0060345 2024-05-08
KR10-2024-0061350 2024-05-09
KR20240061350 2024-05-09
KR1020240072578A KR20250161364A (ko) 2024-05-08 2024-06-03 터치 센서티브 디스플레이 및 그를 포함하는 전자 장치
KR10-2024-0072578 2024-06-03

Publications (1)

Publication Number Publication Date
WO2025234593A1 true WO2025234593A1 (fr) 2025-11-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130128380A (ko) * 2010-09-22 2013-11-26 사이프레스 세미컨덕터 코포레이션 터치 스크린을 위한 용량성 스타일러스
KR101811408B1 (ko) * 2015-07-02 2017-12-21 주식회사 하이딥 전자기 유도 방식의 위치 검출 센서를 이용한 터치 입력 장치, 터치 검출기 및 터치 검출 방법
KR20180045944A (ko) * 2016-10-25 2018-05-08 엘지디스플레이 주식회사 터치센서를 구비하는 표시장치 및 그에 대한 터치감지방법
CN114924665A (zh) * 2022-05-12 2022-08-19 武汉华星光电半导体显示技术有限公司 触控显示模组及触控显示装置
KR20220118534A (ko) * 2020-01-22 2022-08-25 주식회사 하이딥 스타일러스 펜, 안테나 모듈, 터치 센서, 및 전자 디바이스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130128380A (ko) * 2010-09-22 2013-11-26 사이프레스 세미컨덕터 코포레이션 터치 스크린을 위한 용량성 스타일러스
KR101811408B1 (ko) * 2015-07-02 2017-12-21 주식회사 하이딥 전자기 유도 방식의 위치 검출 센서를 이용한 터치 입력 장치, 터치 검출기 및 터치 검출 방법
KR20180045944A (ko) * 2016-10-25 2018-05-08 엘지디스플레이 주식회사 터치센서를 구비하는 표시장치 및 그에 대한 터치감지방법
KR20220118534A (ko) * 2020-01-22 2022-08-25 주식회사 하이딥 스타일러스 펜, 안테나 모듈, 터치 센서, 및 전자 디바이스
CN114924665A (zh) * 2022-05-12 2022-08-19 武汉华星光电半导体显示技术有限公司 触控显示模组及触控显示装置

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