Invention Grant
- Patent Title: Ultrasonic fingerprint detection circuit, ultrasonic fingerprint detection method, and display apparatus
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Application No.: US16332221Application Date: 2018-06-29
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Publication No.: US11301662B2Publication Date: 2022-04-12
- Inventor: Yuzhen Guo , Haisheng Wang , Chunwei Wu , Yingming Liu , Lijun Zhao , Wei Liu , Changfeng Li , Rui Xu , Yanan Jia , Yunke Qin , Pinchao Gu , Xue Dong
- Applicant: BOE TECHNOLOGY GROUP CO., LTD.
- Applicant Address: CN Beijing
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee Address: CN Beijing
- Agency: WHDA, LLP
- Priority: CN201810031167.2 20180112
- International Application: PCT/CN2018/093673 WO 20180629
- International Announcement: WO2019/136942 WO 20190718
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06F3/044
Abstract:
The present disclosure is related to an ultrasonic fingerprint detection assembly. The ultrasonic fingerprint detection assembly may include an ultrasonic fingerprint detection circuit and a living body detection circuit. The living body detection circuit may be configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.
Public/Granted literature
- US20210334492A1 ULTRASONIC FINGERPRINT DETECTION CIRCUIT, ULTRSONIC FINGERPRINT DETECTION METHOD, AND DISPLAY APPARATUS Public/Granted day:2021-10-28
Information query
