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WO2021093294A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2021093294A1
WO2021093294A1 PCT/CN2020/090766 CN2020090766W WO2021093294A1 WO 2021093294 A1 WO2021093294 A1 WO 2021093294A1 CN 2020090766 W CN2020090766 W CN 2020090766W WO 2021093294 A1 WO2021093294 A1 WO 2021093294A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
electronic device
sensing module
fingerprint sensing
display panel
Prior art date
Application number
PCT/CN2020/090766
Other languages
English (en)
Chinese (zh)
Inventor
涂志中
Original Assignee
神盾股份有限公司
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 神盾股份有限公司 filed Critical 神盾股份有限公司
Publication of WO2021093294A1 publication Critical patent/WO2021093294A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V40/13—Sensors therefor
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing

Definitions

  • the invention relates to an electronic device, in particular to an electronic device with fingerprint identification function.
  • optical adhesives such as solid transparent optical adhesives (Optically Clear Adhesive, OCA) or ultraviolet curing resins (Optically Clear Resin, OCR) are often used to combine the light-emitting display and the under-screen optical Fingerprint recognition module.
  • OCA optical adhesives
  • OCR ultraviolet curing resins
  • the yield rate of the device adopting the full bonding method is low, which will cause consumption and scrapping of the light-emitting display screen during the bonding process, which will inevitably cause an increase in cost. Therefore, controlling the bonding yield is more important than the material cost.
  • the invention provides an electronic device, which can improve the overall structural strength and increase image clarity.
  • the invention provides an electronic device including a fingerprint sensing module, a display panel, a connection layer and a plurality of supporting components.
  • the fingerprint sensing module receives the sensing beam.
  • the fingerprint sensing module includes a collimation layer.
  • the display panel is configured in the fingerprint sensing module, and provides an illuminating beam to the finger to reflect the sensing beam.
  • the connection layer is connected between the fingerprint sensing module and the display panel.
  • the connecting layer is ring-shaped.
  • the multiple supporting components are configured in the fingerprint sensing module.
  • the supporting component is non-transparent.
  • the collimation layer includes a plurality of light-transmitting holes, and the plurality of supporting components does not overlap the plurality of light-transmitting holes in a vertical direction.
  • the display panel and the fingerprint sensing module are connected in a framed manner through the connection layer, and the display panel and the fingerprint sensing module are configured with a plurality of supporting components for supporting the display panel to interact with each other.
  • the fingerprint sensing module has an interval. In this way, it is possible to prevent the display panel from touching or hitting the fingerprint sensor module due to finger pressing, thereby causing damage to the display panel, thereby increasing the structural strength of the electronic device.
  • FIG. 1 is a schematic diagram of an electronic device according to an embodiment of the invention.
  • Fingerprint sensor module
  • connection layer 130: connection layer
  • FIG. 1 is a schematic diagram of an electronic device according to an embodiment of the invention.
  • This embodiment provides an electronic device 100 including a fingerprint sensing module 110, a display panel 120, a connection layer 130, and a plurality of supporting components 140.
  • the electronic device 100 has a fingerprint recognition function, which is suitable for allowing a user to perform fingerprint sensing by pressing on the display panel 120.
  • the display panel 120 transmits the illumination light beam L1 to the user's finger 10 to reflect and generate the sensing light beam L2.
  • the electronic device 100 receives the sensing light beam L2 for fingerprint sensing.
  • the electronic device 100 is, for example, a smart phone, a tablet computer, a notebook computer, or a touch-sensitive display device, etc., and the present invention is not limited thereto.
  • the fingerprint sensing module 110 receives the sensing light beam L2.
  • the fingerprint sensing module 110 includes a collimation layer 112.
  • the collimating layer 112 includes a plurality of light-transmitting holes H for collimating the light beam passing through the collimating layer 112.
  • the fingerprint sensing module 110 further includes a sensing layer 114, a filter layer 116, and an anti-reflection layer 118.
  • the collimation layer 112 is disposed between the sensing layer 114 and the filter layer 116, and the filter layer 116 is disposed on Between the sensing layer 114 and the anti-reflection layer 118.
  • the sensing layer 114 is, for example, an image sensing chip such as a complementary metal oxide semiconductor (CMOS) or a charge coupled device (CCD).
  • CMOS complementary metal oxide semiconductor
  • CCD charge coupled device
  • the filter layer 116 is, for example, an infrared cut filter for use. However, in other embodiments, the filter layer 116 may also be a filter for filtering other visible light wavebands or invisible light wavebands.
  • the anti-reflective layer 118 is, for example, an anti-reflective coating, which is used to reduce reflection, thereby improving the photosensitive effect of the fingerprint sensor module 110.
  • the ambient light beam LE such as strong light or sunlight is directly irradiated, the reflected light generated between the display panel 120 and the fingerprint sensing module 110 can be prevented from affecting the fingerprint image. Therefore, the sensing quality of the fingerprint sensing module 110 can be improved.
  • the display panel 120 is adapted to provide the illumination light beam L1 to the user's finger 10 to reflect the sensing light beam L2.
  • the display panel 120 is, for example, an organic light-emitting diode (OLED) display panel.
  • OLED organic light-emitting diode
  • the display panel 120 may also be a liquid crystal display panel or other suitable display panels, and the present invention is not limited to this.
  • connection layer 130 is connected between the fingerprint sensor module 110 and the display panel 120, wherein the connection layer 130 is ring-shaped. In other words, there is a light opening in the sensing area corresponding to the fingerprint sensing module 110 to allow the sensing light beam L2 to pass through.
  • the connection layer 130 is made of a non-transmissive material, such as an ultraviolet curable glue.
  • connection layer 130 may also be a double-sided tape, and the present invention is not limited to this.
  • a plurality of support components 140 are disposed on the fingerprint sensing module 110, between the fingerprint sensing module 110 and the display panel 120, the filter layer 116 is located between the collimation layer 112 and the support component 140, and the anti-reflection layer 118 is disposed on the filter. Between the optical layer 116 and the support assembly 140.
  • the supporting component 140 is a non-transmissive interval structure, for example, made of a polymer material.
  • the support component 140 can be implemented by photolithography and etching (Photolithography and Etching Process, PEP), roll to roll, precision embossing, laminate, printing, or the above Any combination of manufacturing processes is formed on the fingerprint sensing module 110.
  • These supporting components 140 do not overlap the light-transmitting holes H of the collimating layer 112 in the vertical direction D1. In other words, there is air A between the supporting components 140, and when the sensing beam L2 is transmitted from the finger 10 to the fingerprint sensing module 110, it will not be blocked by the supporting components 140.
  • the supporting assembly 140 abuts the display panel 120 in a butting manner.
  • the support assembly 140 is connected to the fingerprint sensing module 110 only with the bottom 144, the display panel 120 is connected to the fingerprint sensing module 110 through the connection layer 130, and the support assembly 140 is not directly connected to the display panel 120. Therefore, during fingerprint sensing, the finger 10 can have elastic space when pressing the display panel 120, thereby increasing the structural strength of the electronic device 100. In addition, it can also reduce the difficulty of dismantling during maintenance.
  • the supporting component 140 has a flat top 142, and the area of the top 142 of the supporting component 140 is smaller than the area of the bottom 144.
  • the supporting component 140 is a flat-topped cone-shaped geometric cylinder. Therefore, the ambient light or stray light transmitted from the side can be effectively blocked, thereby improving the clarity of the image. In this way, it is possible to prevent the display panel 120 from touching or hitting the fingerprint sensor module 110 due to the pressing of the finger 10, thereby causing damage to the display panel 120, thereby increasing the structural strength of the electronic device 100.
  • the appearance of the support component 140 can be any geometric shape, and the area of the top 142 of the support component 140 can also be larger than the area of the bottom 144, and the sensing beam L2 can be directly transmitted to the fingerprint sensing module without being blocked. 110.
  • the display panel and the fingerprint sensing module are connected in a frame-attached manner through the connecting layer, and the display panel and the fingerprint sensing module are configured with a plurality of supporting components to support the display panel It is separated from the fingerprint sensor module. In this way, it is possible to prevent the display panel from touching or hitting the fingerprint sensing module due to the finger pressing, thereby causing damage to the display panel, thereby increasing the structural strength of the electronic device.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Image Input (AREA)

Abstract

L'invention concerne un dispositif électronique (100), comprenant un module de détection d'empreintes digitales (110), un écran d'affichage (120), une couche de connexion (130) et de multiples ensembles de support (140). Le module de détection d'empreintes digitales (110) reçoit un faisceau de détection (L2). Le module de détection d'empreintes digitales (110) comprend une couche de collimation (112). L'écran d'affichage (120) est configuré sur le module de détection d'empreintes digitales (110), et fournit un faisceau d'éclairage (L1) à un doigt (10) de façon à réfléchir le faisceau de détection (L2). La couche de connexion (130) est connectée entre le module de détection d'empreintes digitales (110) et l'écran d'affichage (120). La couche de connexion (130) est annulaire. Les multiples ensembles de support (140) sont configurés sur le module de détection d'empreintes digitales (110). Les ensembles de support (140) ne transmettent pas la lumière. La couche de collimation (112) comprend de multiples trous de transmission de lumière (H), et les multiples ensembles de support (140) ne chevauchent pas les multiples trous de transmission de lumière (H) dans la direction verticale.
PCT/CN2020/090766 2019-11-12 2020-05-18 Dispositif électronique WO2021093294A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962934488P 2019-11-12 2019-11-12
US62/934,488 2019-11-12
US202062969669P 2020-02-04 2020-02-04
US62/969,669 2020-02-04

Publications (1)

Publication Number Publication Date
WO2021093294A1 true WO2021093294A1 (fr) 2021-05-20

Family

ID=71431878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/090766 WO2021093294A1 (fr) 2019-11-12 2020-05-18 Dispositif électronique

Country Status (3)

Country Link
CN (3) CN111401338A (fr)
TW (3) TWM602234U (fr)
WO (1) WO2021093294A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM602234U (zh) * 2019-11-12 2020-10-01 神盾股份有限公司 電子裝置
US11715323B2 (en) 2021-05-18 2023-08-01 Au Optronics Corporation Fingerprint sensing device
US11574496B2 (en) * 2021-05-18 2023-02-07 Au Optronics Corporation Fingerprint recognition device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170270342A1 (en) * 2015-06-18 2017-09-21 Shenzhen GOODIX Technology Co., Ltd. Optical collimators for under-screen optical sensor module for on-screen fingerprint sensing
CN108807487A (zh) * 2018-06-26 2018-11-13 武汉天马微电子有限公司 一种显示面板及显示装置
CN109145702A (zh) * 2017-06-15 2019-01-04 神盾股份有限公司 光学指纹感测器
CN110114779A (zh) * 2019-03-25 2019-08-09 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10049256B2 (en) * 2015-12-11 2018-08-14 Gingy Technology Inc. Fingerprint sensing module
CN108694360A (zh) * 2017-04-10 2018-10-23 上海箩箕技术有限公司 指纹成像模组和电子设备
CN107958192A (zh) * 2017-08-17 2018-04-24 深圳信炜科技有限公司 感光模组、显示模组及电子设备
CN109299708B (zh) * 2018-11-30 2024-05-14 上海箩箕技术有限公司 光学指纹传感器模组及其形成方法
TWM602234U (zh) * 2019-11-12 2020-10-01 神盾股份有限公司 電子裝置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170270342A1 (en) * 2015-06-18 2017-09-21 Shenzhen GOODIX Technology Co., Ltd. Optical collimators for under-screen optical sensor module for on-screen fingerprint sensing
CN109145702A (zh) * 2017-06-15 2019-01-04 神盾股份有限公司 光学指纹感测器
CN108807487A (zh) * 2018-06-26 2018-11-13 武汉天马微电子有限公司 一种显示面板及显示装置
CN110114779A (zh) * 2019-03-25 2019-08-09 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Also Published As

Publication number Publication date
TWI754934B (zh) 2022-02-11
CN211857496U (zh) 2020-11-03
CN212411211U (zh) 2021-01-26
TWM602234U (zh) 2020-10-01
CN111401338A (zh) 2020-07-10
TW202119266A (zh) 2021-05-16
TWM602669U (zh) 2020-10-11

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