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WO2018126578A1 - Module d'empreinte digitale, procédé d'assemblage de celui-ci, et terminal comprenant le module d'empreinte digitale - Google Patents

Module d'empreinte digitale, procédé d'assemblage de celui-ci, et terminal comprenant le module d'empreinte digitale Download PDF

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Publication number
WO2018126578A1
WO2018126578A1 PCT/CN2017/084165 CN2017084165W WO2018126578A1 WO 2018126578 A1 WO2018126578 A1 WO 2018126578A1 CN 2017084165 W CN2017084165 W CN 2017084165W WO 2018126578 A1 WO2018126578 A1 WO 2018126578A1
Authority
WO
WIPO (PCT)
Prior art keywords
annular
fingerprint
cover glass
decorative member
bracket
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/CN2017/084165
Other languages
English (en)
Chinese (zh)
Inventor
郭仁炜
李建辉
黄福波
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
Priority to CN201780007259.0A priority Critical patent/CN108475088A/zh
Priority to KR1020187032724A priority patent/KR102245086B1/ko
Publication of WO2018126578A1 publication Critical patent/WO2018126578A1/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
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
    • C09J9/02—Electrically-conducting adhesives
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints

Definitions

  • the embodiments of the present invention relate to the field of electronic technologies, and in particular, to a fingerprint module, an assembly method thereof, and a terminal including the fingerprint module.
  • fingerprint readers are mainly composed of three design schemes, front, rear and side.
  • the fingerprint identifier needs to occupy a large space, especially for the front fingerprint identifier.
  • the fingerprint identifier 3 is disposed in the annular hole of the cover glass 1 , and the fingerprint identifier 3 and the cover glass 1
  • the gap between the gaps is filled by the annular garnish 14 which also functions to fix the fingerprint identifier 3.
  • the Liquid Crystal Display Module (LCM) 6 is placed on the ring-shaped decorative member 14. Since the front fingerprint identifier needs to compete with the display screen for the space inside the smart terminal, how to properly install the fingerprint identifier becomes the present There is an urgent need for technical problems to be solved by those skilled in the field.
  • the embodiment of the invention provides a fingerprint module, an assembly method thereof and a terminal including the fingerprint module.
  • a reasonable installation of the fingerprint recognizer is realized, and the space occupied by the fingerprint recognizer is smaller.
  • an embodiment of the present application provides a fingerprint module.
  • the fingerprint module includes: a cover glass, an annular decorative member, a bracket, and a fingerprint identifier;
  • the cover glass includes an annular hole, and the annular decorative member and the fingerprint identifier are installed in the annular hole, the ring a decorative member is disposed between the cover glass and the fingerprint identifier;
  • the annular decorative member is divided into two parts, the axial portion of the first portion is vertical, and the axial portion of the second portion is "L"
  • the second portion of the annular garnish includes an axial extension portion and a radial extension portion;
  • the bracket includes a support end and a fixed end, the plane of the support end being not coplanar with the plane of the fixed end;
  • a radially extending portion of the second portion of the annular garnish is disposed between the cover glass and the fixed end of the bracket, and is respectively coupled to the cover glass and the fixed end of the bracket;
  • the support end is coupled to the fingerprint identifier to
  • the annular decorative member by arranging the annular decorative member to have a part of the skirt without a skirt, the space occupied by the skirt portion is reduced, so that the installation of the fingerprint recognizer is more reasonable and the cost is low.
  • the aforementioned bracket is "Z" shaped or "work” shaped. Specifically, the support end of the bracket and the plane where the fixed end are located form a certain distance, so as to be better fixed on the cover glass and higher supporting the fingerprint identifier, and the space under the fingerprint identifier can be increased. Reduce the space occupied by the fingerprint reader.
  • the cover glass and the fingerprint identifier are provided with a tape on a rear surface of the joint of the first portion of the annular decorative member, so that the tape covers the cover glass, The fingerprint recognizer And the first portion of the annular garnish is connected to the formed gap.
  • the cover glass and the fingerprint identifier, the rear surface of the junction with the first portion of the annular garnish is provided with a sinking groove, and the tape is disposed in the sinking groove.
  • the cover glass is adjacent to a facade adhesive on one side of the first portion of the annular trim, the fingerprint identifier being adjacent to a facade of a side of the first portion of the annular trim
  • the adhesive such that the two sides of the first portion of the annular decorative member are respectively bonded to the cover glass and the fingerprint identifier.
  • the firmness of the fingerprint identifier installation can be improved by the embodiment of the present application.
  • the terminal further includes a Liquid Crystal Display Module (LCM), and the first part of the decorative part is close to the LCM.
  • LCD Liquid Crystal Display Module
  • an embodiment of the present application provides a fingerprint module assembly method.
  • the fingerprint module comprises a cover glass, an annular decorative piece, a bracket and a fingerprint identifier.
  • the annular decorative part is divided into two parts, the axial section of the first part is vertical, and the axial section of the second part is “L” type.
  • the second portion of the annular garnish includes an axial extension portion and a radial extension portion, a front surface of the radially extending portion of the second portion of the annular garnish corresponding to the first dispensing position, the annular garnish
  • the rear surface of the radially extending portion of the second portion corresponds to the second dispensing position
  • the bracket includes a supporting end and a fixed end, the method comprising: dispensing at the first dispensing position, the cover The glass and the second portion of the annular decorative member are adhered; in the second dispensing position, the fixed end of the bracket and the second portion of the annular decorative member are adhered; such that the annular decorative member Connecting the cover glass and the bracket; bonding the support end of the bracket to the fingerprint identifier to fix the fingerprint identifier; in the cover glass and the fingerprint identifier, The first part of the ring decoration
  • the rear surface of the sub-joining covers the adhesive tape, and the first portion of the annular decorative member is adhered to the cover glass and the
  • the first portion of the annular garnish is connected to the cover glass and the fingerprint identifier on both sides corresponding to a third dispensing position, the cover glass and the fingerprint recognition
  • the back surface covering tape at the junction with the first portion of the annular garnish includes: dispensing at the third dispensing position, adhering the first portion of the annular garnish with the fingerprint identifier and the cover a sheet glass; a back surface of the cover glass and the fingerprint identifier connected to the first portion of the annular decorative piece is covered with a tape, and the glue of the third dispensing position is flattened by the tape.
  • the embodiment of the present application provides a terminal, where the terminal includes the fingerprint module in any optional implementation of the foregoing first aspect.
  • FIG. 1 is a schematic structural view of a fingerprint module
  • FIG. 2 is a top plan view of a terminal
  • Figure 3 is an enlarged view of a portion A of the terminal shown in Figure 2;
  • FIG. 4 is a schematic structural diagram of a cross section of a fingerprint module according to an embodiment of the present application.
  • Figure 5 is a plan view of the annular decorative member
  • FIG. 6 is a schematic structural diagram of another cross section of a fingerprint module according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a cross section of a fingerprint module according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a cross section of a fingerprint module according to an embodiment of the present disclosure.
  • FIG. 9 is a bottom view of a fingerprint module according to an embodiment of the present application.
  • FIG. 10 is a flowchart of a method for assembling a fingerprint module according to an embodiment of the present application.
  • FIG. 11 is an example of assembling a fingerprint module according to an embodiment of the present application.
  • FIG. 12 is another example of assembling a fingerprint module according to an embodiment of the present application.
  • FIG. 13 is still another example of assembling a fingerprint module according to an embodiment of the present application.
  • Embodiments of the present invention relate to a fingerprint module, an assembly method thereof, and a terminal including the fingerprint module.
  • the terminal may include a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a car computer, and the like.
  • the terminal 100 includes a cover glass 1, a mobile phone body 2, and a fingerprint recognizer 3.
  • 3 is an enlarged view of a portion A of the terminal shown in FIG. 2.
  • the cover glass 1 includes an annular hole 11 which may have an elliptical shape, a rounded rectangular shape, or a straight elliptical shape.
  • the annular hole 11 is fitted with an annular decorative member 4 and a fingerprint recognizer 3, and the annular decorative member 4 is placed between the cover glass 1 and the fingerprint recognizer 3 for transition and decoration.
  • the shape of the annular garnish 4 and the fingerprint recognizer 3 is the same as that of the annular hole 11, and the annular garnish 4 can be placed in the annular hole 11, and the fingerprint recognizer 3 can be placed in the annular garnish 4.
  • the direction pointing to the LCM is referred to as “upper” and the direction opposite thereto is referred to as “down” with reference to the fingerprint recognizer 3;
  • the plane in which it is located is the reference.
  • the direction pointing to the outside of the terminal is called “front”, and the direction pointing to the inside of the terminal is called “back”.
  • the direction perpendicular to “up and down” and “front and rear” is “ “Left” and "Right”, wherein “up and down” and “left and right” correspond to the radial direction of the annular garnish 4, and "front and rear” corresponds to the axial direction of the annular garnish 4.
  • the plane in which the straight line corresponding to "up”, “down”, “left”, and “right” shown in FIG. 2 is located is the plane on which the surface of the LCM is located.
  • FIG. 4 is a schematic structural diagram of a cross section of a fingerprint module according to an embodiment of the present application.
  • Figure 5 is a top plan view of the annular garnish. 4 and 5, the annular garnish 4 is divided into two parts, a second portion 41 and a first portion 42, the axial portion of the first portion 42 is vertical, and the axial portion of the second portion 41 is "L".
  • the second portion 41 of the annular garnish includes an axial extension and a radially extending portion 411 (ie, a skirt);
  • the bracket 5 includes a support end 52 and a fixed end 51, the plane where the support end 52 is located and the fixed end 51 The planes are not coplanar, whereby the support end 52 and the fixed end 51 form a height difference in the axial direction of the annular garnish 4 (i.e., the up and down direction); the radially extending portion 411 of the second portion of the annular garnish is placed on the cover
  • the glass 1 and the fixed end 51 of the bracket are respectively connected with the cover glass 1 and the fixed end 51 of the bracket to fix the cover glass 1, the annular decorative member 4 and the bracket 5; the support end 52 of the bracket and the fingerprint recognizer 3 Connected to fix the fingerprint reader 3 through the bracket 5.
  • the cover glass 1, the fingerprint recognizer 3, the annular garnish 4 and the bracket 5 are fixed together, at this time, the rear surface of the first portion 42 of the annular garnish and the rear surface of the cover glass 1 and the fingerprint recognizer 3 Or flush; or, when the rear surfaces of the cover glass 1 and the fingerprint recognizer 3 are not flush, the rear surface of the first portion 42 of the annular decorative member is flush with the rear surface of any one of the cover glass 1 and the fingerprint recognizer 3. Or, The rear surface of the first portion 42 of the annular garnish is above the rear surface of either of the cover glass 1 or the fingerprint reader 3.
  • skirt 411 of the skirt portion of the annular decorative member and the cover glass 1 and the fixed end 51 of the bracket can be adhered by the glue 7.
  • the annular decorative member 4 is arranged in two parts, one part includes a skirt and the other part does not include a skirt, thereby saving the space occupied by the skirt of the annular decorative part, thereby reducing the setting in the terminal.
  • the space occupied by the fingerprint identifier and the cost of saving space are low, and the space saved can be used to place other functional modules of the terminal, thereby improving the utilization of the terminal space.
  • the annular decorative member 4 can be divided into two parts in the up and down direction shown in FIG. 4, 6, 7, 8, and 9, the first portion 42 is on the top; or, the annular decorative member 4 can be divided into upper and lower parts. Two parts of the direction, the first part is below; or, the ring-shaped decorative part 4 can be divided into two parts in the left-right direction, the first part being left or right.
  • the support end 52 and the fixed end 51 of the bracket have a height difference in the front-rear direction such that a space is formed below the first portion 42 of the annular garnish, which space places other functional modules of the terminal.
  • the embodiment of the present application may further include an LCM 6.
  • the LCM 6 can be extended to the space behind the first portion 42 of the annular garnish to increase the area occupied by the LCM 6 in front of the terminal, reduce the distance between the fingerprint identifier and the LCM (Active Area, AA) 61, and improve the design. effect.
  • the ratio of the first portion 42 of the annular decorative member to the second portion 41 of the annular decorative member can be set according to actual conditions. For example, when it is necessary to increase the adhesion area of the annular garnish 4 and the cover glass and the bracket 5 to improve the firmness, the ratio of the second portion 41 of the annular garnish to the annular garnish 4 can be increased. When a larger space is required to place other modules of the terminal, the proportion of the first portion 42 of the annular garnish to the annular garnish 4 can be increased.
  • the form of the bracket 5 may include a plurality of types, which are illustrated by way of example:
  • the stent 5 may be in the form of a "Z", or "work”, as shown in FIG.
  • a triangular or trapezoidal support structure is provided between the support end 52 and the fixed end 51 of the bracket.
  • the contact area between the support end 52 of the bracket and the fingerprint recognizer 3 can be increased.
  • the contact area of the support end 52 of the bracket and the fingerprint recognizer 3 can be larger than the fingerprint identifier. 3 half of the back surface area.
  • a glue may be applied to the facade of the cover glass 1 near the first portion 42 of the annular decorative member, and the fingerprint recognition device is adjacent to the first portion of the annular decorative member.
  • the facade of one side of the 42 is glued such that the side elevations of the first portion 41 of the annular trim are bonded to the cover glass 1 and the fingerprint identifier 3, respectively.
  • the facade glass of the cover glass 1 is close to the side of the first portion 42 of the annular decorative member, and there are various ways for the adhesive on the side of the fingerprint identifier 3 near the first portion 42 of the annular decorative member.
  • the glue may be directly applied to the gap formed by the cover cover glass 1, the fingerprint identifier 3, and the first portion 42 of the annular decorative member, or the cover glass 1 and the pattern recognizer 3 may be respectively dispensed.
  • dispensing or the like on both sides of the first portion 42 of the annular decorative member may be performed by bonding the two side elevations of the first portion 41 of the annular decorative member to the cover glass 1 and the fingerprint identifier 3, respectively.
  • an adhesive tape 8 may be disposed on the rear surface of the cover glass 1 and the fingerprint recognizer 3 at the junction with the first portion 42 of the annular decorative member, so that the adhesive tape 8 covers the cover glass 1, the fingerprint recognizer 3, and The first portion 42 of the annular garnish connects the gap formed to provide water and light blocking.
  • the tape can also make the cover glass The glass 1, the fingerprint recognizer 3, and the skirt-free portion 42 of the ring-shaped decorative member are bonded together to serve as a connection and support.
  • the tape may be a mylar film, for example, mylar.
  • the tape 8 is adhered at least by:
  • the rear surface of the junction with the first portion 42 of the annular decorative member is provided with a sinking groove, a ring-shaped decoration
  • the rear surface of the first portion 42 of the piece is flush with the front surface of the sinker and the tape 8 is disposed within the sinker. This can further reduce the space required for setting the fingerprint recognition function.
  • the cover glass 1 and the fingerprint identifier 3 are joined to the first portion 42 of the annular decorative member by dispensing. After the dispensing, the tape 8 is used for bonding, and the glue is flattened.
  • the tape 8 can be directly overlaid on the back surface of the cover glass 1 and the junction of the fingerprint reader 3 with the first portion 42 of the annular trim.
  • cover glass 1 and the fingerprint recognizer 3 and the skirt-free portion 42 of the annular decorative member are directly bonded by the tape 8.
  • the terminal 100 may further include a battery, a processor, a memory, a camera, a Bluetooth module, etc., although not shown, and details are not described herein.
  • FIG. 10 is a flowchart of a method for assembling a fingerprint module according to an embodiment of the present application.
  • the fingerprint module includes a cover glass 1, an annular decorative member 4, a bracket 5, and a fingerprint identifier 3.
  • the annular decorative member 4 is divided into two parts, and the axial portion of the first portion 42 is a "vertical" type.
  • the axial portion of the two portions 41 is of the "L" shape
  • the second portion 41 of the annular garnish includes an axially extending portion and a radially extending portion 411 to which the front surface of the radially extending portion 411 of the second portion of the annular garnish corresponds
  • the first glue position, the rear surface of the radial extension portion 411 of the second portion of the annular garnish corresponds to the second dispensing position
  • the bracket 5 includes the support end 52 and the fixed end 51.
  • the front surface of the radially extending portion 411 of the second portion of the annular garnish is dispensed and coated to provide a better coverage of the radial portion of the second portion of the annular garnish by coating.
  • the annular decorative member 4 is adhered to the cover glass.
  • the starting position 801 begins to dispense, and Coating, the rear surface of the radially extending portion 411 of the second portion of the annular decorative member is adhered to the front surface of the fixed end 51 of the bracket.
  • the fingerprint holder 5 fingerprint recognition device 3 can be fixed in advance.
  • the rear surface of the joint with the first portion 42 of the annular decorative member covers the adhesive tape 8, and is bonded by the adhesive tape 8 so that the first portion 42 of the annular decorative member and the cover glass 1, the fingerprint The recognizers 3 are glued together.
  • cover glass 1 and the fingerprint identifier 3 may also correspond to the third dispensing position at the junction with the first portion 42 of the annular decorative member, in the cover glass 1 and the fingerprint identifier 3, and the first portion 42 of the annular decorative member.
  • the rear surface of the joint covers the tape 42 specifically, including:
  • the adhesive tape 8 is covered, and the adhesive of the third dispensing position is flattened by the adhesive tape 8.
  • the glue point 901 is dispensed at the starting point, the glue position being located at the rear surface of the first portion 42 of the annular trim.
  • the adhesive can be covered by the tape, and the glue is flattened so that the glue fills the gap between the cover glass 1 and the fingerprint recognizer 3 and the first portion 42 of the annular decorative member.
  • mylar can be applied after dispensing, and the glue is flattened. This is achieved by waterproofing, light blocking, blocking and support.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
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Abstract

L'invention concerne un module d'empreinte digitale et un procédé d'assemblage de celui-ci. Le module d'empreinte digitale comprend : une plaque de couverture en verre (1), une pièce décorative circulaire (4), un support (5), et un dispositif de reconnaissance d'empreintes digitales (3). La plaque de couverture en verre (1) comprend un trou circulaire (11) ; la pièce décorative circulaire (4) et le dispositif de reconnaissance d'empreintes digitales (3) sont disposés dans le trou circulaire (11) ; la pièce décorative circulaire (4) est divisée en deux parties, où la section transversale axiale d'une première partie (42) est verticale, et la section transversale axiale d'une deuxième partie (41) est en forme de « L » ; la deuxième partie (41) de la pièce décorative circulaire (4) comprend une partie s'étendant axialement et une partie s'étendant radialement (411) ; le support (5) comprend une extrémité de support (52) et une extrémité de fixation (51) ; la partie s'étendant radialement (411) de la deuxième partie (41) de la pièce décorative circulaire (4) est disposée entre la plaque de couverture en verre (1) et l'extrémité de fixation (51) du cadre de support (5) et est reliée séparément à la plaque de couverture en verre (1) et à l'extrémité de fixation (51) du cadre de support (5) ; et l'extrémité de support (52) du cadre de support (5) est reliée au dispositif de reconnaissance d'empreintes digitales (3). En configurant une jupe sur une partie de la pièce décorative circulaire (4), l'espace occupé par la jupe est réduit, de sorte que l'installation du dispositif de reconnaissance d'empreintes digitales (3) est plus raisonnable, et les coûts sont faibles.
PCT/CN2017/084165 2017-01-05 2017-05-12 Module d'empreinte digitale, procédé d'assemblage de celui-ci, et terminal comprenant le module d'empreinte digitale Ceased WO2018126578A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780007259.0A CN108475088A (zh) 2017-01-05 2017-05-12 指纹模块、其组装方法及包括该指纹模块的终端
KR1020187032724A KR102245086B1 (ko) 2017-01-05 2017-05-12 지문 모듈, 지문 모듈에 대한 조립 방법, 및 지문 모듈을 포함하는 단말

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710007885 2017-01-05
CN201710007885.1 2017-01-05

Publications (1)

Publication Number Publication Date
WO2018126578A1 true WO2018126578A1 (fr) 2018-07-12

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PCT/CN2017/084165 Ceased WO2018126578A1 (fr) 2017-01-05 2017-05-12 Module d'empreinte digitale, procédé d'assemblage de celui-ci, et terminal comprenant le module d'empreinte digitale

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KR (1) KR102245086B1 (fr)
CN (1) CN108475088A (fr)
WO (1) WO2018126578A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN108596164A (zh) * 2018-07-18 2018-09-28 昆山丘钛微电子科技有限公司 指纹模组及电子设备
CN108596164B (zh) * 2018-07-18 2024-06-04 昆山丘钛生物识别科技有限公司 指纹模组及电子设备

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