- Patent Title: Detection circuit, skin print recognition device and driving method
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Application No.: US16762349Application Date: 2019-11-01
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Publication No.: US11620848B2Publication Date: 2023-04-04
- Inventor: Xueyou Cao , Pengpeng Wang , Xiaoliang Ding , Haisheng Wang , Ping Zhang , Wenjuan Wang , Yapeng Li , Jiabin Wang , Likai Deng
- 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: Collard & Roe, P.C.
- Priority: CN201910002438.6 20190102
- International Application: PCT/CN2019/115133 WO 20191101
- International Announcement: WO2020/140601 WO 20200709
- Main IPC: H03K17/96
- IPC: H03K17/96 ; G06V40/13 ; G01J1/44

Abstract:
A detection circuit, a skin print recognition device and a method for driving a detection circuit are disclosed. The detection circuit includes a photosensitive element, a switching sub-circuit and a charge releasing sub-circuit. The photosensitive element is electrically coupled to the switching sub-circuit and the charge releasing sub-circuit, and is configured to convert a received optical signal into an electrical signal, the switching sub-circuit is configured to output the electrical signal, and the charge releasing sub-circuit is configured to release charges in the photosensitive element after the switching sub-circuit outputs the electrical signal.
Public/Granted literature
- US20210209326A1 DETECTION CIRCUIT, SKIN PRINT RECOGNITION DEVICE AND DRIVING METHOD Public/Granted day:2021-07-08
Information query
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