CN112400173A - 纹路图像获取电路、显示面板及纹路图像获取方法 - Google Patents

纹路图像获取电路、显示面板及纹路图像获取方法 Download PDF

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CN112400173A
CN112400173A CN201980000841.3A CN201980000841A CN112400173A CN 112400173 A CN112400173 A CN 112400173A CN 201980000841 A CN201980000841 A CN 201980000841A CN 112400173 A CN112400173 A CN 112400173A
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circuit
pole
receive
texture
acquisition
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CN112400173B (zh
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王佳斌
丁小梁
曹学友
王文娟
刘静
张宜驰
王海生
王雷
刘英明
王迎姿
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location
    • 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
    • G06V40/1365—Matching; Classification

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种纹路图像获取电路、显示面板以及纹路图像获取方法。该纹路图像获取电路包括电荷中和电路和第一采集电路，所述电荷中和电路和所述第一采集电路电连接，所述电荷中和电路被配置为接收第一控制信号以使得流经所述第一采集电路的电流为第一电流，且被配置为接收第二控制信号以使得流经所述第一采集电路的电流为第二电流，所述第二电流的方向与所述第一电流的方向彼此相反；所述第一采集电路被配置为接收来自纹路的光，并对来自所述纹路的光被转换后获得的第一信号量进行累积以获得第一采集值。该纹路图像获取电路可以改善或避免由于残留的电荷引起的残影现象，从而提高纹路识别的有效性以及准确性。

Description

PCT国内申请，说明书已公开。

Claims (21)

  1. PCT国内申请，权利要求书已公开。
CN201980000841.3A 2019-06-14 2019-06-14 纹路图像获取电路、显示面板及纹路图像获取方法 Active CN112400173B (zh)

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PCT/CN2019/091318 WO2020248238A1 (zh) 2019-06-14 2019-06-14 纹路图像获取电路、显示面板及纹路图像获取方法

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US (1) US11335113B2 (zh)
EP (1) EP3985549A4 (zh)
JP (1) JP2022542620A (zh)
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WO (1) WO2020248238A1 (zh)

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US20080056543A1 (en) * 2004-07-23 2008-03-06 Hiroki Morimura Surface Shape Recognizing Sensor Device
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US20110198484A1 (en) * 2010-02-12 2011-08-18 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
CN106308834A (zh) * 2016-08-23 2017-01-11 上海奕瑞光电子科技有限公司 一种x射线图像传感器及其消除图像残影的方法
CN106412464A (zh) * 2015-07-30 2017-02-15 上海奕瑞光电子科技有限公司 一种图像传感器的驱动方法
CN109145859A (zh) * 2018-09-04 2019-01-04 京东方科技集团股份有限公司 一种显示面板、其检测方法及显示装置
CN109214252A (zh) * 2017-07-06 2019-01-15 敦泰电子有限公司 一种指纹感测电路及指纹感测装置

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US20070109239A1 (en) * 2005-11-14 2007-05-17 Den Boer Willem Integrated light sensitive liquid crystal display
US8566373B2 (en) * 2012-02-07 2013-10-22 Alcatel Lucent Probabilistic fingerprint checking for preventing data leakage
CN102954753B (zh) * 2012-10-22 2015-09-09 苏州迈瑞微电子有限公司 电容式距离传感器
CN106231210B (zh) * 2016-08-23 2019-07-16 上海奕瑞光电子科技股份有限公司 一种x射线图像传感器及消除图像残影的方法
KR102483347B1 (ko) * 2016-12-12 2023-01-02 엘지디스플레이 주식회사 터치 표시 장치, 터치 센싱 시스템 및 터치 센싱 방법
CN106959757B (zh) * 2017-03-28 2021-03-23 京东方科技集团股份有限公司 一种显示面板及显示设备
CN109583420B (zh) * 2018-12-14 2021-02-05 京东方科技集团股份有限公司 指纹识别装置的驱动方法及设备

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030136762A1 (en) * 2001-10-16 2003-07-24 Yan Zhao Method for in-line monitoring of via/contact holes etch process based on test structures in semiconductor wafer manufacturing
US20080056543A1 (en) * 2004-07-23 2008-03-06 Hiroki Morimura Surface Shape Recognizing Sensor Device
CN101946328A (zh) * 2008-05-12 2011-01-12 夏普株式会社 薄膜晶体管、具备该薄膜晶体管的光传感器电路和显示装置
US20110198484A1 (en) * 2010-02-12 2011-08-18 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
CN106412464A (zh) * 2015-07-30 2017-02-15 上海奕瑞光电子科技有限公司 一种图像传感器的驱动方法
CN106308834A (zh) * 2016-08-23 2017-01-11 上海奕瑞光电子科技有限公司 一种x射线图像传感器及其消除图像残影的方法
CN109214252A (zh) * 2017-07-06 2019-01-15 敦泰电子有限公司 一种指纹感测电路及指纹感测装置
CN109145859A (zh) * 2018-09-04 2019-01-04 京东方科技集团股份有限公司 一种显示面板、其检测方法及显示装置

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Publication number Publication date
WO2020248238A1 (zh) 2020-12-17
EP3985549A1 (en) 2022-04-20
US20210406499A1 (en) 2021-12-30
JP2022542620A (ja) 2022-10-06
CN112400173B (zh) 2024-04-26
US11335113B2 (en) 2022-05-17
EP3985549A4 (en) 2023-03-01

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