CN114616600A - 指纹识别方法及装置、设备、显示装置、存储介质 - Google Patents

指纹识别方法及装置、设备、显示装置、存储介质 Download PDF

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Publication number
CN114616600A
CN114616600A CN202080002155.2A CN202080002155A CN114616600A CN 114616600 A CN114616600 A CN 114616600A CN 202080002155 A CN202080002155 A CN 202080002155A CN 114616600 A CN114616600 A CN 114616600A
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China
Prior art keywords
electrodes
fingerprint
signal
transmitting
receiving
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CN202080002155.2A
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Inventor
崔亮
王雷
李扬冰
王玉波
李秀锋
马媛媛
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Publication of CN114616600A publication Critical patent/CN114616600A/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
    • G06V40/1335—Combining adjacent partial images (e.g. slices) to create a composite input or reference pattern; Tracking a sweeping finger movement
    • 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

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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)
  • Image Input (AREA)

Abstract

一种指纹识别方法及装置、设备、显示装置、存储介质，属于指纹识别技术。该方法包括：对多个发射电极执行多次信号加载操作(101)；在对多个发射电极执行信号加载操作后，通过多个接收电极中的目标电极获取指纹信号(102)；基于获取的指纹信号对指纹进行识别(103)。在执行一次信号加载操作后，压电材料层会发出多组超声波，这些超声波在传递的过程中可以产生干涉现象，以产生超声波聚焦效应，有效的增大了压电材料层所发出的超声波的振幅。而在反射回的超声波中，振幅最大的超声波会正对的射向多个发射电极中的目标电极，使得该目标电极能够获取到信号量较大的指纹信号。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080002155.2A 2020-09-29 2020-09-29 指纹识别方法及装置、设备、显示装置、存储介质 Pending CN114616600A (zh)

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PCT/CN2020/118741 WO2022067479A1 (zh) 2020-09-29 2020-09-29 指纹识别方法及装置、设备、显示装置、存储介质

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CN114616600A true CN114616600A (zh) 2022-06-10

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US (1) US20220343669A1 (zh)
CN (1) CN114616600A (zh)
WO (1) WO2022067479A1 (zh)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3449419B1 (en) * 2017-05-01 2021-12-22 Shenzhen Goodix Technology Co., Ltd. Ultrasound fingerprint sensing and sensor fabrication
CN109492458A (zh) * 2017-09-12 2019-03-19 南昌欧菲生物识别技术有限公司 显示模组及其制造方法与电子装置
KR102524554B1 (ko) * 2017-12-28 2023-04-20 엘지디스플레이 주식회사 지문 인식이 가능한 표시 장치
KR102576093B1 (ko) * 2018-02-14 2023-09-11 삼성디스플레이 주식회사 생체 정보 센서 및 이를 포함하는 표시 장치
CN109829419B (zh) * 2019-01-28 2021-08-24 京东方科技集团股份有限公司 指纹识别模组及其驱动方法和制作方法、显示装置
CN109815918B (zh) * 2019-01-28 2021-11-05 京东方科技集团股份有限公司 指纹识别模组及其制作方法和驱动方法、显示装置
CN111695388B (zh) * 2019-03-15 2024-05-17 京东方科技集团股份有限公司 指纹识别结构及其驱动方法、显示装置
CN110265544A (zh) * 2019-06-24 2019-09-20 京东方科技集团股份有限公司 压电传感器及制备方法、进行指纹识别的方法及电子设备
CN110472606B (zh) * 2019-08-21 2022-05-20 京东方科技集团股份有限公司 一种超声波识别模组、其驱动方法及显示装置

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US20220343669A1 (en) 2022-10-27
WO2022067479A1 (zh) 2022-04-07

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