CN111033518A - Lcd指纹识别***、屏下光学指纹识别装置和电子装置 - Google Patents

Lcd指纹识别***、屏下光学指纹识别装置和电子装置 Download PDF

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CN111033518A
CN111033518A CN201980003991.XA CN201980003991A CN111033518A CN 111033518 A CN111033518 A CN 111033518A CN 201980003991 A CN201980003991 A CN 201980003991A CN 111033518 A CN111033518 A CN 111033518A
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fingerprint
light
fingerprint identification
module
detection light
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CN111033518B (zh
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青小刚
李顺展
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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Priority claimed from PCT/CN2018/100665 external-priority patent/WO2020034119A1/zh
Priority claimed from PCT/CN2018/102339 external-priority patent/WO2020037683A1/zh
Priority claimed from PCT/CN2019/097696 external-priority patent/WO2021012259A1/zh
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    • 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
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/17—Image acquisition using hand-held instruments
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Image Input (AREA)
  • Liquid Crystal (AREA)

Abstract

本申请提供一种液晶显示屏指纹识别***，包括设置在液晶显示屏幕下方的屏下光学指纹识别装置，所述屏下光学指纹识别装置的指纹检测区域至少部分位于所述液晶显示屏幕的显示区域；所述屏下光学指纹识别装置包括指纹识别模组，所述指纹识别模组用于设置在所述液晶显示屏幕的背光模组下方，以接收检测光源发射的探测光照射到所述指纹检测区域上方的手指形成的并携带有指纹信息的指纹检测光；所述指纹检测光与所述背光模组提供的用于显示画面的背光的波长不同，且所述背光模组的至少部分区域为可透过所述指纹检测光的透光区域，以使所述指纹检测光穿过所述背光模组传输到其下方的所述指纹识别模组。本申请还提供一种屏下光学指纹识别装置和电子装置。

Description

PCT国内申请，说明书已公开。

Claims (42)

  1. PCT国内申请，权利要求书已公开。
CN201980003991.XA 2018-08-15 2019-08-15 Lcd指纹识别***、屏下光学指纹识别装置和电子装置 Active CN111033518B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
PCT/CN2018/100665 WO2020034119A1 (zh) 2018-08-15 2018-08-15 屏下光学指纹识别***、背光模组、显示屏幕及电子设备
CNPCT/CN2018/100665 2018-08-15
CNPCT/CN2018/102339 2018-08-24
PCT/CN2018/102339 WO2020037683A1 (zh) 2018-08-24 2018-08-24 背光模组、屏下指纹识别方法、装置和电子设备
PCT/CN2019/097696 WO2021012259A1 (zh) 2019-07-25 2019-07-25 屏下指纹识别模组、lcd光学指纹识别***及电子设备
CNPCT/CN2019/097696 2019-07-25
PCT/CN2019/100771 WO2020035021A1 (zh) 2018-08-15 2019-08-15 Lcd指纹识别***、屏下光学指纹识别装置和电子装置

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CN201921324000.1U Active CN210573827U (zh) 2018-08-15 2019-08-15 Lcd指纹识别***、屏下光学指纹识别装置和电子装置

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CN112749588A (zh) * 2019-10-30 2021-05-04 中兴通讯股份有限公司 显示屏模组及终端
CN111461050A (zh) * 2020-04-13 2020-07-28 南京巨鲨显示科技有限公司 一种能够身份识别的多功能结构设备
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TWI780436B (zh) * 2020-05-19 2022-10-11 英屬開曼群島商敦泰電子有限公司 屏下指紋辨識裝置
CN113808549A (zh) * 2020-06-11 2021-12-17 北京小米移动软件有限公司 Lcd显示屏的亮度调节方法、装置、电子设备及介质
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CN111650779B (zh) * 2020-06-23 2022-08-09 厦门天马微电子有限公司 背光模组及显示装置
CN111681551B (zh) * 2020-06-28 2021-07-06 武汉华星光电技术有限公司 显示模组以及电子设备
CN111596489B (zh) * 2020-06-30 2022-08-05 厦门天马微电子有限公司 背光模组、显示模组及电子设备
CN112578948B (zh) * 2020-12-17 2023-12-01 武汉华星光电技术有限公司 显示装置及其指纹识别方法
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EP3637316A4 (en) 2020-08-19
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CN210573827U (zh) 2020-05-19
CN111033518B (zh) 2023-10-24

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