WO2020038129A1 - Ensemble module de reconnaissance d'empreinte digitale, écran, et dispositif électronique - Google Patents

Ensemble module de reconnaissance d'empreinte digitale, écran, et dispositif électronique Download PDF

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Publication number
WO2020038129A1
WO2020038129A1 PCT/CN2019/094596 CN2019094596W WO2020038129A1 WO 2020038129 A1 WO2020038129 A1 WO 2020038129A1 CN 2019094596 W CN2019094596 W CN 2019094596W WO 2020038129 A1 WO2020038129 A1 WO 2020038129A1
Authority
WO
WIPO (PCT)
Prior art keywords
transparent plate
fingerprint recognition
recognition module
circuit board
identification module
Prior art date
Application number
PCT/CN2019/094596
Other languages
English (en)
Chinese (zh)
Inventor
陈明仁
黄茂昭
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2020038129A1 publication Critical patent/WO2020038129A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Definitions

  • the present application relates to the technical field of electronic devices, and in particular, to a fingerprint identification module assembly, a screen, and an electronic device.
  • the plate-like structure of glass or other materials When the plate-like structure of glass or other materials is combined with the fingerprint recognition module, it is generally necessary to open a hole in the plate-like structure and place the fingerprint recognition module in the hole, thereby destroying the integrity of the plate-like structure.
  • the screen fingerprint recognition module assembly of electronic devices such as mobile phones in the industry uses a single layer of glass.
  • the front fingerprint recognition module is attached to the glass of the fingerprint recognition module assembly through a back adhesive.
  • This setting method requires the fingerprint recognition module.
  • a through hole is opened in the group assembly glass, thereby destroying the integrity of the screen fingerprint recognition module assembly.
  • a fingerprint identification module assembly for covering an electronic device display screen includes a first transparent plate, a second transparent plate, and a fingerprint identification module, and the first transparent plate is stacked on the second A transparent plate, the first transparent plate and the second transparent plate are bonded by a transparent adhesive layer, and the fingerprint recognition module is located between the first transparent plate and the second transparent plate.
  • a screen includes a display screen and a fingerprint recognition module assembly, the fingerprint recognition module assembly covers the display screen, and the fingerprint recognition module assembly includes a first transparent plate, a second transparent plate, and a fingerprint recognition module. Group, the first transparent plate and the second transparent plate are bonded by a transparent adhesive layer, and the fingerprint recognition module is located between the first transparent plate and the second transparent plate.
  • An electronic device includes the screen.
  • a fingerprint identification module assembly includes a first transparent plate, a second transparent plate, and a fingerprint identification module.
  • the first transparent plate and the second transparent plate are stacked, and the fingerprint identification module is located in the fingerprint identification module. Between a first transparent plate and the second transparent plate.
  • FIG. 1 is a three-dimensional schematic diagram of an electronic device according to an embodiment
  • FIG. 2 is a front view of a fingerprint recognition module assembly of a screen in an embodiment of the electronic device shown in FIG. 1;
  • FIG. 3 is an exploded view of the fingerprint identification module assembly shown in FIG. 2;
  • FIG. 4 is a three-dimensional schematic diagram of the fingerprint identification module in FIG. 3;
  • FIG. 5 is an enlarged schematic view of an embodiment of the structure of part B in FIG. 3;
  • FIG. 6 is an enlarged schematic view of another embodiment of the structure of part B in FIG. 3;
  • FIG. 7 is a schematic A-A sectional view of the fingerprint recognition module assembly shown in FIG. 2;
  • FIG. 8 is an enlarged schematic view of the structure of part C in FIG. 7; FIG.
  • FIG. 9 is an enlarged schematic view of a portion D in FIG. 7; FIG.
  • FIG. 10 is a front view of a fingerprint recognition module assembly of a screen in another embodiment of the electronic device shown in FIG. 1;
  • FIG. 11 is a front view of a fingerprint recognition module assembly of a screen in still another embodiment of the electronic device shown in FIG. 1.
  • terminal device refers to a device capable of receiving and / or transmitting communication signals, including but not limited to being connected via any one or more of the following connection methods:
  • connection via wired lines such as public switched telephone networks (PSTN), digital subscriber lines (DSL), digital cables, and direct cable connections
  • a wireless interface method such as a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, and an AM-FM broadcast transmitter.
  • WLAN Wireless Local Area Network
  • a terminal device configured to communicate through a wireless interface may be referred to as a “mobile terminal”.
  • mobile terminals include, but are not limited to, the following electronic devices:
  • Satellite phone or cellular phone (1) Satellite phone or cellular phone
  • PCS Personal Communication System
  • an electronic device 10 is provided, and the electronic device 10 may be a device such as a mobile phone.
  • the electronic device 10 includes a screen 20 including a fingerprint recognition module assembly 100 and a display screen.
  • the display screen includes a display layer.
  • the display layer is used to implement the display function of the screen 20.
  • the fingerprint recognition The module assembly 100 is used to protect the display layer.
  • the display screen includes a display layer and a touch layer, and the touch layer is used to implement a touch function of the screen, which is convenient for a user to operate the electronic device 10.
  • the screen 20 is used to display information and can provide an operation interface for the user.
  • the screen 20 uses an LCD (Liquid Crystal Display) screen for displaying information.
  • the LCD screen may be a TFT (Thin Film Transistor) screen or an IPS (In-Plane Switching) screen. Or SLCD (Splice Liquid Liquid Crystal Display) screen.
  • the screen 20 uses an OLED (Organic Light-Emitting Diode) screen for displaying information.
  • the OLED screen may be an AMOLED (Active Matrix Organic Light Emitting Diode), an active matrix organic light emitting diode. ) Screen or Super AMOLED (Super Active Matrix Organic Light Emitting Diode) screen or Super AMOLED Plus (Super Active Matrix Organic Light Emitting Diode Plus Plus) screen.
  • the screen 20 in a lit state includes a displayable area 21, a black border area 22 surrounding the displayable area 21, and a non-display area 23 surrounding the black border area 22.
  • the displayable area is a portion where fonts and pictures can be displayed
  • the black border area 22 is located on the outer periphery of the displayable area 21, that is, the black border portion of the screen.
  • the non-display area 23 is located on the outer periphery of the black border area 22.
  • the non-display area 23 is an opaque area and has no display function.
  • a part of the fingerprint identification module assembly 100 is located within the range of the displayable area 21, a portion is located within the range of the black border area 22, and the rest is located within the range of the non-display area 23.
  • the fingerprint identification module assembly 100 includes a first transparent plate 110, a second transparent plate 120, and a fingerprint identification module 140.
  • the first transparent plate 110 and the second transparent plate 120 are stacked.
  • the first transparent plate 110 and the second transparent plate 120 are both transparent glass plates.
  • the first transparent plate 110 and the second transparent plate 120 are bonded by a transparent adhesive layer, and the transparent adhesive layer does not affect the display effect of the screen.
  • the transparent adhesive layer is an OCA adhesive layer 130
  • the OCA adhesive layer 130 includes a first portion 131 and a second portion 132 connected to each other.
  • the first portion 131 is adhered between the first transparent plate 110 and the second transparent plate 120
  • the second portion 132 is adhered to the first transparent plate 110 and the fingerprint recognition module 140.
  • And / or the second portion 132 is adhered between the second transparent plate and the fingerprint identification module 140.
  • a thickness difference exists between the first portion 131 and the second portion 132, and the thickness difference forms the sink groove 133.
  • the second portion 132 passes through an edge of the first portion 131. It can be understood that the sink groove 133 passes through an edge of the OCA adhesive layer 130.
  • the first portion 131 surrounds the second portion 132. It can be understood that the sink 133 is located in the OCA adhesive layer 130 and is at a distance from the edge of the OCA adhesive layer 130. . The specific position of the sink 133 can be determined according to the actual application, and is not specifically limited herein.
  • the fingerprint identification module 140 is located in the sink 133, and the fingerprint identification module 140 includes at least one fingerprint sensor for identifying an electronic device 10.
  • the fingerprint of the user is convenient for unlocking and can prevent people other than the user from opening the electronic device 10.
  • the fingerprint identification module 140 may be a circular structure or a track-shaped structure.
  • the runway-shaped structure can be understood as a square structure with smooth transition of four corners.
  • the sum of the thickness of the fingerprint recognition module 140 and the thickness of the second portion 132 is equal to the thickness of the first portion 131.
  • the fingerprint recognition module 140 fills the sink 133.
  • the fingerprint identification module 140 is a track-shaped structure, and includes a first surface 141, a second surface, and a side peripheral surface.
  • the first surface 141 and the second surface are disposed opposite to each other, and the side peripheral surface is connected to Between the first surface 141 and the second surface.
  • the side peripheral surface includes a first side surface 142, a second side surface 143, a third side surface 144, and a fourth side surface 145.
  • the first side surface 142 and the third side surface 144 are disposed opposite to each other, the second side surface 143 and the fourth side surface 145 are disposed opposite to each other, and the second side surface 143 is connected to the first side surface 142 and the third side surface 144.
  • the fourth side surface 145 is connected between the first side surface 142 and the third side surface 144.
  • the first side surface 142 is located on a side of the fingerprint identification module 140 close to the first portion 131
  • the third side surface 144 is located on a side of the fingerprint identification module 140 remote from the first portion 131.
  • the opening of the sink 133 faces the first transparent plate 110, and the depth of the sink 133 is the same as the thickness of the fingerprint recognition module 140.
  • the identification module 140 may be placed inside the sink 133 and between the second portion 132 and the first transparent plate 110.
  • the second portion 132 adheres the fingerprint identification module 140 to the second transparent plate 120 to prevent the fingerprint identification module 140 from falling off the fingerprint identification module assembly 100.
  • the first surface 141 is flush with the surface of the first portion 131 facing the first transparent plate 110, and the first surface 141 and the first transparent plate 110 are bonded together.
  • the second surface is attached to the second portion 132.
  • the first side surface 142, the second side surface 143, and the fourth side surface 145 are attached to the side wall of the sink groove 133.
  • the fingerprint recognition module 140 is fully matched with the sink 133, and when the fingerprint recognition module 140 is located in the sink 133, it forms a completed runway shape with the OCA adhesive layer 130
  • the structure is the same as that of the first transparent plate 110 and the second transparent plate 120.
  • the opening of the sink 133 faces the second transparent plate 120, and the depth of the sink 133 is the same as the thickness of the fingerprint recognition module 140.
  • the fingerprint recognition module 140 may be placed inside the sink 133 and between the second portion 132 and the second transparent plate 120.
  • the second portion 132 adheres the fingerprint recognition module 140 to the first transparent plate 110 to prevent the fingerprint recognition module 140 from falling off the fingerprint recognition module assembly 100.
  • the second surface is flush with the surface of the first portion 131 facing the second transparent plate 120, and the second surface is abutted with the second transparent plate 120.
  • the first surface 141 is attached to the second portion 132.
  • the first side surface 142, the second side surface 143, and the fourth side surface 145 are attached to the side wall of the sink groove 133.
  • the opening of the sink groove 133 faces the edge of the OCA adhesive layer 130
  • the second portion 132 includes two transparent OCA adhesive layers disposed opposite each other
  • the fingerprint identification module 140 and the first A transparent plate 110 and a second transparent plate 120 are respectively bonded by two transparent OCA adhesive layers.
  • the sink 133 is located at the bottom of the fingerprint identification module assembly 100.
  • the bottom of the fingerprint recognition module assembly 100 can be understood as when the user stands on the ground and normally uses the electronic device 10, the fonts and patterns stand upright, and the part of the fingerprint recognition module assembly 100 facing the ground is the fingerprint recognition module The bottom of the assembly 100.
  • the sink groove 133 passes through an edge of the OCA adhesive layer 130 located on the bottom of the fingerprint identification module assembly 100.
  • the screen 20 includes a display screen, and the fingerprint identification module 140 and the display screen are connected through a flexible circuit board 146.
  • the flexible printed circuit board (Flexible Printed Circuit Board, abbreviated as FPC) is also called a flexible printed circuit board, or a flexible printed circuit board.
  • FPC Flexible Printed Circuit Board
  • a flexible printed circuit board is a product in which a circuit pattern is designed and produced on a flexible substrate in a printed manner.
  • the flexible circuit board product has the advantages of small volume, light weight, and greatly reduced device volume, and is suitable for the development of electronic products in the direction of high density, miniaturization, light weight, thinness, and high reliability.
  • Bending, winding, twisting, folding, and three-dimensional wiring can be arbitrarily arranged according to the requirements of the spatial layout, change the shape, and move and expand and contract arbitrarily in the three-dimensional space to achieve the integration of component assembly and wire connection.
  • At least part of the structure of the flexible circuit board 146 is located in the sink 133.
  • One end of the flexible circuit board 146 is connected to the third side 144, and the other end is connected to the display screen.
  • the fingerprint recognition module 140 and Current and data transmission between displays.
  • the flexible circuit board 146 includes a first circuit board and a second circuit board, the first circuit board is connected to the third side surface 144, and the second circuit board is connected to the display screen. Connection, the first circuit board and the second circuit board are connected through a board-to-board connector.
  • the second circuit board is installed on the display screen, and the first circuit board is installed on the third side 144. After the fingerprint recognition module assembly 100 and the display screen are respectively assembled, the first circuit board and the second circuit board are assembled.
  • the circuit board is connected through a board-to-board connector, and then the fingerprint identification module assembly 100 and the display are assembled together and fixed in the middle frame of the electronic device 10; or, the fingerprint identification module assembly 100 and the display are assembled After being assembled together, the first circuit board and the second circuit board are connected together through a board-to-board connector.
  • the second portion 132 passes through an edge of the first portion 131 so that the fingerprint identification module 140 and the display screen can be connected through a flexible circuit board 146.
  • the flexible circuit board 146 is adhered to the second portion 132, and the fingerprint identification module assembly 100 is exposed as the second portion 132 passes through the first portion 131, thereby realizing the fingerprint identification module 140 and Electrical connection of the display.
  • the fingerprint identification module 140 is located in the non-display area 23, the flexible circuit board 146 is connected to the third side surface 144, and a portion of the non-display area is passed through.
  • the display area 23 exposes the fingerprint identification module assembly 100.
  • the fingerprint recognition module 140 is located in the non-display area 23 and does not affect the screen display of the screen 20.
  • the flexible circuit board 146 is located in the non-display area 23 and does not affect the display of the screen 20.
  • the fingerprint identification module 140 is located in the black border area 22, the flexible circuit board 146 is connected to the third side surface 144, and the non-display area is penetrated. 23 and part of the black border area 22, the fingerprint identification module assembly 100 is exposed.
  • the fingerprint recognition module 140 is located in the black border area 22 and does not affect the screen display of the screen 20.
  • the flexible circuit board 146 is located in the non-display area 23 and the black border area 22 and does not affect the display of the screen 20.
  • the fingerprint recognition module 140 is a transparent structure and is located in the displayable area 21.
  • the third side 144 is located in the displayable area 21 and the black border area 22.
  • the flexible circuit board 146 is connected to the third side surface 144 and penetrates the black border area 22 and the non-display area 23 to expose the fingerprint identification module assembly 100.
  • the fingerprint recognition module 140 has a transparent structure and does not affect the display of the displayable area 21.
  • the flexible circuit board 146 is located in the non-display area 23 and the black border area 22, and does not affect the display of the screen 20.
  • the fingerprint recognition module assembly 100 of the screen 20 of the electronic device 10 such as a mobile phone in the industry uses a single layer of glass, and a hole needs to be opened in the fingerprint recognition module assembly glass to accommodate the front fingerprint recognition module 140, thereby destroying The fingerprint recognition module assembly 100 is complete.
  • the fingerprint identification module assembly 100 of the present application uses two transparent plates, which are bonded by a transparent OCA adhesive layer.
  • the fingerprint recognition module 140 is placed in the interlayer at the bottom of the two transparent plates to integrate the fingerprint recognition function.
  • the fingerprint recognition module 140 and the display screen are connected through a flexible circuit board 146. This application realizes the integration of the fingerprint recognition module assembly 100 and the fingerprint recognition module 140, avoids opening holes in the fingerprint recognition module assembly 100, and the position of the fingerprint recognition module 140 does not affect the display of the screen 20. effect.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)

Abstract

L'invention concerne un ensemble module de reconnaissance d'empreinte digitale, un écran, et un dispositif électronique. L'ensemble module de reconnaissance d'empreinte digitale (100) est utilisé pour être disposé sur un écran d'affichage du dispositif électronique (10) d'une manière couvrante, l'ensemble module de reconnaissance d'empreinte digitale (100) comprend une première plaque transparente (110), une seconde plaque transparente (120), et un module de reconnaissance d'empreinte digitale (140), la première plaque transparente (110) est disposée sur la seconde plaque transparente (120) sous forme d'empilement, la première plaque transparente (110) et la seconde plaque transparente (120) sont liées au moyen d'une couche adhésive transparente, et le module de reconnaissance d'empreinte digitale (140) est situé entre la première plaque transparente (110) et la seconde plaque transparente (120).
PCT/CN2019/094596 2018-08-20 2019-07-03 Ensemble module de reconnaissance d'empreinte digitale, écran, et dispositif électronique WO2020038129A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821345926.4U CN208691302U (zh) 2018-08-20 2018-08-20 指纹识别模组组合件、屏幕和电子设备
CN201821345926.4 2018-08-20

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Publication Number Publication Date
WO2020038129A1 true WO2020038129A1 (fr) 2020-02-27

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PCT/CN2019/094596 WO2020038129A1 (fr) 2018-08-20 2019-07-03 Ensemble module de reconnaissance d'empreinte digitale, écran, et dispositif électronique

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CN (1) CN208691302U (fr)
WO (1) WO2020038129A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113971820A (zh) * 2021-09-17 2022-01-25 惠州Tcl移动通信有限公司 一种指纹模组及移动终端

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208691302U (zh) * 2018-08-20 2019-04-02 Oppo广东移动通信有限公司 指纹识别模组组合件、屏幕和电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104751125A (zh) * 2015-03-06 2015-07-01 南昌欧菲生物识别技术有限公司 指纹识别装置、触摸屏及电子设备
CN104881627A (zh) * 2015-03-06 2015-09-02 南昌欧菲生物识别技术有限公司 指纹识别装置、触摸屏及电子设备
US20180239945A1 (en) * 2017-02-17 2018-08-23 Primax Electronics Ltd. Fingerprint identification module and manufacturing method thereof
CN208691302U (zh) * 2018-08-20 2019-04-02 Oppo广东移动通信有限公司 指纹识别模组组合件、屏幕和电子设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104751125A (zh) * 2015-03-06 2015-07-01 南昌欧菲生物识别技术有限公司 指纹识别装置、触摸屏及电子设备
CN104881627A (zh) * 2015-03-06 2015-09-02 南昌欧菲生物识别技术有限公司 指纹识别装置、触摸屏及电子设备
US20180239945A1 (en) * 2017-02-17 2018-08-23 Primax Electronics Ltd. Fingerprint identification module and manufacturing method thereof
CN208691302U (zh) * 2018-08-20 2019-04-02 Oppo广东移动通信有限公司 指纹识别模组组合件、屏幕和电子设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113971820A (zh) * 2021-09-17 2022-01-25 惠州Tcl移动通信有限公司 一种指纹模组及移动终端

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