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WO2020259660A1 - Écran tactile à fonction nfc, et dispositif terminal - Google Patents

Écran tactile à fonction nfc, et dispositif terminal Download PDF

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Publication number
WO2020259660A1
WO2020259660A1 PCT/CN2020/098389 CN2020098389W WO2020259660A1 WO 2020259660 A1 WO2020259660 A1 WO 2020259660A1 CN 2020098389 W CN2020098389 W CN 2020098389W WO 2020259660 A1 WO2020259660 A1 WO 2020259660A1
Authority
WO
WIPO (PCT)
Prior art keywords
nfc
touch
chip
signal
touch panel
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.)
Ceased
Application number
PCT/CN2020/098389
Other languages
English (en)
Chinese (zh)
Inventor
钟梅芳
王良蒙
王宇辉
杨峻
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies 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
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2020259660A1 publication Critical patent/WO2020259660A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device

Definitions

  • This application relates to the field of terminal technology, and in particular to a touch panel with NFC function and terminal equipment.
  • NFC Near field communication
  • NFC is a short-distance wireless communication method, and its working principle is: based on non-contact radio frequency identification technology, magnetic field induction is used to realize the communication between electronic devices at short distances; among them, two NFC-enabled terminals, namely NFC terminals, can exchange information by touching or approaching each other.
  • the NFC function of the notebook computer is usually realized by an NFC tag that burns the relevant information of the machine, and the NFC tag is attached under the glass plate of the touch panel of the notebook computer. Since there is no way to achieve touch function in the area corresponding to the touchpad with the NFC tag attached, in order to ensure the usability of the laptop, it is necessary to make the NFC tag as small as possible to reduce the blind touch area on the touchpad of the laptop When the NFC tag is too small, it will cause incomplete or inaccurate reading of the tag information by the NFC terminal interacting with it, thus affecting the accuracy of the interaction.
  • the embodiment of the present application provides a touch panel with NFC function and a terminal device, so as to increase the touch accuracy of the touch panel while increasing the NFC sensing area of the touch panel.
  • this application provides a touch panel with NFC function, including: a touch panel PCB (print circuit board) for realizing the touch of the touch panel and the NFC function, and a printed circuit board provided on the touch panel.
  • the touch board PCB includes a touch signal receiving layer, a touch signal emitting layer, a ground setting layer, and an NFC setting layer that are stacked, wherein: the touch signal receiving layer is provided with Touch signal receiving wiring, the touch signal transmitting layer is provided with a touch signal transmitting wiring, the touch signal receiving wiring and the touch signal transmitting wiring are connected to the touch chip signal; correspondingly, the NFC
  • the setting layer is provided with an NFC antenna, the NFC antenna is signal-connected with the NFC chip; the projection of the touch signal receiving trace in the stacking direction is exposed between the projection of the touch signal transmitting trace in the stacking direction The gap area of the NFC antenna; when the terminal device including the touch panel interacts with an external NFC terminal, the external NFC
  • the touch signal receiving wiring and the touch signal transmitting wiring are arranged on different layers of the touch panel PCB, it is beneficial to realize the reasonable arrangement of the touch signal receiving wiring and the touch signal transmitting wiring, so that the touch signal receiving wiring and The gap area between the projection of the touch signal transmission trace in the stacking direction of the touch panel PCB is sufficient to expose part or even all of the NFC antenna provided on the NFC setting layer.
  • the setting interval of the NFC antenna can be made as large as possible, so that the NFC sensing area of the touch panel can be increased without affecting the touch accuracy of the touch panel, thereby increasing The accuracy of the interaction between the terminal device containing the touch panel and the external NFC terminal.
  • the touch panel further includes a motherboard control chip, and the motherboard control chip is signal-connected to the touch chip, so that the motherboard control chip can send to the touch chip after processing the touch signal received by the touch chip In response to an instruction, the touch chip makes a corresponding touch response after receiving the response instruction. In this way, the touch response of the touch panel can be more timely, and its response accuracy can be higher.
  • the motherboard control chip is also signal-connected to the NFC chip.
  • an external NFC signal When an external NFC signal is radiated to the NFC antenna, it will be transmitted to the motherboard control chip through the NFC chip.
  • a response instruction is sent to the NFC chip, and the NFC chip makes a corresponding response after receiving the response instruction.
  • the NFC response of the touch panel can be more accurate, so as to realize the information interaction between the terminal device including the touch panel and the external NFC terminal.
  • the NFC chip when the NFC chip receives an external NFC signal, the NFC chip sends a reminder signal to the mainboard control chip, and the mainboard control chip can process the external NFC signal in time according to the reminder signal.
  • the reminder signal can be, but is not limited to, a level signal, an edge signal or a pulse signal.
  • the motherboard control chip can quickly and accurately identify the NFC signal after receiving the reminder signal, and process it, which can effectively improve the response speed of the NFC chip, thereby increasing the The efficiency of information interaction between the terminal device of the touch panel and the external NFC terminal.
  • the NFC chip and the NFC antenna are directly arranged on the NFC setting layer of the touch panel PCB.
  • the NFC chip and the NFC The antenna is integrated as an NFC tag.
  • a protective cover can also be added to the touch panel PCB as the use surface of the touch panel.
  • the touch signal receiving layer of the touch panel PCB is arranged close to the protective cover, so that the touch accuracy of the touch panel is high.
  • this application also provides a terminal device, which includes the aforementioned touch panel. Since the touch panel of the terminal device of the present application is set up, by arranging the touch signal receiving wiring and the touch signal transmitting wiring on different layers of the touch panel PCB, it is beneficial to realize the touch signal receiving wiring and the touch signal transmitting wiring Therefore, the gap area between the touch signal receiving wiring and the projection of the touch signal transmitting wiring in the stacking direction of the touch panel PCB can be exposed to the NFC antenna provided on the NFC setting layer. In this way, on the basis of not affecting the settings of other devices, the setting interval of the NFC antenna can be made as large as possible, so that the NFC sensing area of the touch panel can be increased without affecting the touch accuracy of the touch panel. On the basis of improving the accuracy of interaction between the terminal device and the external NFC terminal, the touch accuracy of the touch panel of the terminal device is improved.
  • the terminal device may further include a keyboard, and the touch pad may be arranged on one side of the keyboard to facilitate the cooperative use of the keyboard and the touch pad.
  • FIG. 1 is a schematic diagram of information exchange between NFC terminals in an embodiment
  • FIG. 2 is a schematic diagram of information exchange between NFC terminals in another embodiment
  • Figure 3 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of an exploded structure of a touch panel PCB provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a partial structure of a touch panel PCB provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a touch panel PCB provided by an embodiment of the application.
  • FIG. 7 is a structural block diagram of a touch panel provided by an embodiment of the application.
  • FIG. 8 is a structural block diagram of a touch panel provided by another embodiment of the application.
  • FIG. 9 is a structural block diagram of a touch panel provided by another embodiment of the application.
  • NFC is a short-range wireless communication method, and its working principle is: based on non-contact radio frequency identification technology, magnetic field induction is used to realize short-range communication between electronic devices; among them, two have NFC-enabled terminals, namely NFC terminals, can exchange information by touching or approaching each other. 1, when the user exchanges information through the NFC terminal 13, the two NFC terminals 13 can be close to each other, so that the NFC signal 15 carrying the target information can be transmitted to the NFC terminal 13 of the other party, and then the NFC signal 15 identification, judgment and analysis to complete the information exchange between the two NFC terminals 13.
  • the NFC terminal supports three working modes, namely the card simulation mode, the point-to-point mode, and the card reader module. Among them, the technology of using the point-to-point mode for information exchange between NFC terminals is relatively mature. In the point-to-point mode, two NFC terminals can directly exchange data information such as videos, files, and images, and the information exchange is more convenient.
  • FIG. 2 may show a process of information exchange between a notebook computer 14 with NFC function and an external NFC terminal 13 in a point-to-point mode.
  • the notebook computer 14 Before leaving the factory, the notebook computer 14 is provided with an NFC tag 12 inside to implement NFC communication. Each NFC tag 12 will burn the relevant information of the machine to ensure that when the external NFC terminal 13 approaches or touches the NFC tag 12, it recognizes the notebook computer 14 and completes pairing with it.
  • the NFC tag 12 is usually attached under the glass plate of the touch panel 1 of the notebook computer 14.
  • the present application provides a touch panel and terminal device with NFC function to increase the area of the NFC sensing area on the touch panel without affecting the touch accuracy of the touch panel to improve the NFC communication accuracy.
  • the present application provides a touch panel 1 with NFC function.
  • the touch panel 1 includes a printed circuit board (PCB) 2.
  • the PCB 2 includes an area for realizing touch and In the area that realizes the NFC function, and the touch chip 3 and the NFC chip 4 arranged on the PCB 2; referring to Fig.
  • the touch panel PCB 2 can be a stacked four-layer structure, including a touch signal receiving layer 5 and a touch signal transmitting Layer 6, ground setting layer 7 and NFC setting layer 8, wherein: the pattern on the touch signal receiving layer 5 is a pattern formed by touch signal receiving wiring 501, and the pattern on the touch signal transmitting layer 6 is a touch signal transmitting wiring 601 In the pattern formed, the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 are signal connected to the touch chip 3 (not shown in FIG. 4, refer to FIG. 7).
  • a protective cover will be added to the touch panel PCB 2 shown in Figure 4 (in the figure) (Not shown) as the use surface of the touch panel 1.
  • the touch panel PCB 2 is arranged under the protective cover.
  • other structures can be arranged between the touch panel PCB 2 and the protective cover, and the touch panel PCB 2
  • the touch signal receiving layer 5 is arranged close to the protective cover. Since the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 are respectively arranged on different layers, when the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 are specifically set, the space of the layer can be fully utilized for wiring. As a result, the touch sensing area of the touch panel 1 is larger, which is beneficial to improve the touch accuracy of the touch panel 1.
  • an NFC antenna 9 is provided on the NFC setting layer 8.
  • the NFC antenna 9 is signal-connected to the NFC chip 4; referring to Figures 4 and 5,
  • Figure 5 shows the touch signal receiving layer 5 and the touch signal transmitting layer 6
  • the partial structure diagram after stacking where it can be seen that the projection of the touch signal receiving trace 501 in the stacking direction, and the projection of the touch signal transmitting trace 601 in the stacking direction, there is a gap area where the NFC antenna 9 is exposed.
  • the width of the gap area can be represented by d or d1 in the figure.
  • the width of the gap area can be the same or different everywhere; in this way, referring to Figures 3 and 7 at the same time, when the touchpad 1 is included
  • the above-mentioned gap area can effectively avoid the external NFC signal 15 transmitted by the external NFC terminal 13, so that the external NFC signal 15 can be directly radiated to the NFC antenna 9.
  • the NFC antenna 9 is transmitted to the NFC chip 4, and the NFC chip 4 makes a corresponding interactive response according to the external NFC signal 15, so that the NFC communication process is more accurate.
  • the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 can be in the stacking direction of the touch panel PCB 2
  • the gap area between the projections on the upper part is sufficient to expose part or even all of the NFC antenna 9 arranged on the NFC installation layer 8.
  • the setting interval of the NFC antenna 9 can be made as large as possible, so that the NFC sensing area of the touch panel can be increased without affecting the touch accuracy of the touch panel, and thereby Improve the accuracy of interaction between the terminal device equipped with the touch panel and the external NFC terminal.
  • the touch panel of the present application can be applied to various terminal devices provided with a touch panel, and can be a portable electronic device, such as a mobile phone, a tablet computer, a wearable device with wireless communication function (such as a smart watch), and the like.
  • the aforementioned portable electronic device may also be other portable electronic devices, such as a laptop computer with a touch-sensitive surface (such as a touch panel).
  • the aforementioned electronic device may not be a portable electronic device, but a desktop computer with a touch-sensitive surface (such as a touchpad).
  • a notebook computer with a touch panel is used as an example for description.
  • FIG. 7 is a schematic structural diagram of a touch panel according to an embodiment of this application.
  • the communication connection relationship between each structure is shown in the form of a block diagram, and the size of the frame does not represent the corresponding structure.
  • a grid frame represents the touchpad touch area 11, which only represents that the touchpad 1 includes such an area, but does not represent the specific setting position and area size of the area.
  • the touch chip 3, the touch pad touch area 11, the NFC chip 4, and the NFC antenna 9 are all arranged on the touch pad PCB 2.
  • the touch pad 1 may also include a motherboard control chip 10 signally connected to the touch chip 3.
  • the mainboard control chip 10 can be connected through, but not limited to, an integrated circuit bus 16 (inter-integrated circuit, IIC).
  • IIC integrated circuit
  • the user gives a click motion signal through the touch panel 1 of the notebook computer 14 shown in FIG. 3.
  • the click motion signal is transmitted to the touch chip 3 through the signal receiving wiring 501, and then passes through the touch chip 3 3 is transmitted to the main board control chip 10 for analysis and processing.
  • the main board control chip 10 transmits the corresponding click response instruction back to the touch chip 3, and the touch chip 3 gives the corresponding click response, so that the touch panel 1
  • the touch response is more timely and its response accuracy is high.
  • FIG. 8 is a schematic structural diagram of a touch panel according to another embodiment of the present application.
  • the touch panel 1 of this embodiment is different from the previous embodiment in that the mainboard control chip 10 is simultaneously combined with the touch chip 3 and the NFC chip 4.
  • Signal connection where the mainboard control chip 10 can be connected to the touch chip 3 and the NFC chip 4 through the same communication interface; or the mainboard control chip 10 is connected to the touch chip 3 and the NFC chip 4 through different communication interfaces.
  • the motherboard control chip 10 is connected to the touch chip 3 and the NFC chip 4 through the same communication interface. At this time, if the user terminal sends a touch to the touch panel 1 of the notebook computer 14 shown in FIG.
  • the touch chip 3 receives the touch signal and completes the signal transmission with the motherboard control chip 10.
  • the NFC chip 3 receives the NFC signal 15 and transmits it to the motherboard control chip 10.
  • the motherboard control chip 10 processes the NFC signal 15 to complete the pairing with the NFC terminal 13, and transmits the processed signal to the NFC chip 3, so that it gives the corresponding response. In this way, the structure of the touch panel 1 can be simplified without affecting the accuracy of the signal transmission of the touch panel 1.
  • the NFC chip 3 may also send a reminder signal to the motherboard control chip 10.
  • the reminder signal can be, but is not limited to, a level signal, an edge signal or a pulse signal.
  • the NFC chip 3 receives the external NFC signal, the NFC chip 3 sends a reminder signal to the motherboard control chip 10, and the motherboard control chip 10 can process the external NFC signal in time according to the reminder signal.
  • the motherboard control chip 10 can quickly and accurately receive the NFC signal and process it after receiving the reminder signal, thereby effectively improving the response speed of the NFC chip 3, thereby increasing the inclusion The efficiency of the NFC information interaction between the terminal device with the touch panel 1 and the external NFC terminal.
  • the NFC antenna 9 is directly provided on the NFC setting layer 8 of the touch panel PCB 2 as an example for description.
  • the NFC chip 3 and the NFC antenna 9 in FIG. 7 can be integrated into one NFC tag 12.
  • the NFC tag 12 can be directly attached to the corresponding position, which can effectively simplify the manufacturing process of the touch panel PCB 2.
  • the NFC tag 12 can be made as large as possible without affecting the settings of other devices, which is beneficial to increase the NFC sensing area of the touch panel 1 (refer to FIG.
  • the present application also provides a terminal device.
  • the terminal device is an NFC terminal with a touch panel, which can realize command input through touch, and can also realize NFC communication with other external NFC terminals based on the internal NFC chip or tag. And other functions.
  • the terminal device can be, but is not limited to, a portable electronic device with a touch-sensitive surface (such as a touchpad), such as a mobile phone, a tablet computer, a wearable device with a wireless communication function (such as a smart watch), and the like.
  • the above-mentioned portable electronic device may also be other portable electronic devices, such as a laptop computer.
  • the above-mentioned electronic device may not be a portable electronic device, but a desktop computer with a touch-sensitive surface (such as a touchpad).
  • the touch pad on the terminal device in the embodiment of the present application may be the touch pad 1 described in detail in the foregoing embodiment.
  • the notebook computer 14 includes a touchpad 1 as shown in FIGS. 7-9, and may also include a keyboard 17, and the touchpad 1 is arranged on the side of the keyboard 17, for example, In 3, the touch pad 1 is arranged on the side of the keyboard 17 away from the display screen to adapt to the user's usage habits.
  • the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 are arranged on different layers of the touch panel PCB 2, which facilitates the realization
  • the reasonable arrangement of the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 can make the gap area between the projection of the touch signal receiving wiring 501 and the touch signal transmitting wiring 601 in the stacking direction of the touch panel PCB 2 (
  • the area with width d or d1 in FIG. 5 can expose part or all of the NFC antenna 9 provided on the NFC installation layer 8.
  • the setting interval of the NFC antenna 9 can be made as large as possible, so that the NFC sensing on the touch panel 1 can be increased without affecting the touch accuracy of the touch panel 1. Area, thereby improving the accuracy of NFC communication between the terminal device and the external NFC terminal. In addition, since the NFC sensing area is not visible to the user in this application, this can effectively improve the aesthetics of the terminal device.

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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

L'invention concerne un écran tactile à fonction NFC ainsi qu'un dispositif terminal. Une carte de circuit imprimé (PCB) de l'écran tactile comprend une couche de réception de signal tactile, une couche de transmission de signal tactile et une couche de réglage NFC disposées de manière empilée, la couche de réception de signal tactile étant pourvue d'une trace de réception de signal tactile ; la couche de transmission de signal tactile étant pourvue d'une trace de transmission de signal tactile ; la trace de réception de signal tactile et la trace de transmission de signal tactile étant en connexion de signal avec une puce tactile ; la couche de réglage NFC étant pourvue d'une antenne NFC ; l'antenne NFC étant en connexion de signal avec une puce NFC. Une région de dégagement qui expose l'antenne NFC existe entre des saillies, dans une direction d'empilement, de la trace de réception de signal tactile et de la trace de transmission de signal tactile, respectivement ; un signal NFC externe peut être émis vers l'antenne NFC à travers la région de dégagement, et est transmis à la puce NFC ; et la puce NFC peut donner une réponse interactive correspondante en fonction du signal NFC externe. Un dispositif terminal utilisant l'écran tactile de la présente invention présente une précision d'interaction NFC relativement élevée.
PCT/CN2020/098389 2019-06-28 2020-06-28 Écran tactile à fonction nfc, et dispositif terminal Ceased WO2020259660A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910580466.6 2019-06-28
CN201910580466.6A CN110442250B (zh) 2019-06-28 2019-06-28 一种带nfc功能的触摸板及终端设备

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WO2020259660A1 true WO2020259660A1 (fr) 2020-12-30

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WO (1) WO2020259660A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN110442250B (zh) * 2019-06-28 2021-06-01 华为技术有限公司 一种带nfc功能的触摸板及终端设备
CN116306725B (zh) * 2023-05-23 2023-09-15 深圳贝特莱电子科技股份有限公司 一种双层触控板及其nfc功能的控制方法

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CN104635966A (zh) * 2013-11-11 2015-05-20 华为终端（东莞）有限公司 一种触摸屏及终端设备
CN107210530A (zh) * 2015-02-10 2017-09-26 迪睿合株式会社 触控板用天线装置及电子设备
WO2018100975A1 (fr) * 2016-11-29 2018-06-07 パナソニックＩｐマネジメント株式会社 Module de bobine combiné et feuille magnétique
CN108319392A (zh) * 2018-02-05 2018-07-24 鄂尔多斯市源盛光电有限责任公司 触控面板及制造方法、触控模组、显示装置
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