Invention Grant
- Patent Title: Circuit, structure, and device for fingerprint recognition, display panel, and display device
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Application No.: US16910840Application Date: 2020-06-24
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Publication No.: US11334740B2Publication Date: 2022-05-17
- Inventor: Kerui Xi , Tingting Cui , Feng Qin , Xuhui Peng , Linzhi Wang
- Applicant: Shanghai Tianma Micro-Electronics Co., Ltd. , Shanghai AVIC OPTO Electronics Co., Ltd.
- Applicant Address: CN Shanghai; CN Shanghai
- Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.,Shanghai AVIC OPTO Electronics Co., Ltd.
- Current Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.,Shanghai AVIC OPTO Electronics Co., Ltd.
- Current Assignee Address: CN Shanghai; CN Shanghai
- Agency: Anova Law Group, PLLC
- Priority: CN202010350153.4 20200428
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06F3/044

Abstract:
Fingerprint recognition circuit, fingerprint recognition structure, fingerprint recognition device, display panel, and display device are provided. The circuit includes: a fingerprint recognition driving transistor; a first capacitor; a driving signal input terminal; and a sensing signal output terminal. The first capacitor has a terminal electrically connected to a gate of the fingerprint recognition driving transistor and another terminal electrically connected to a ground. The driving signal input terminal is electrically connected to an input terminal of the fingerprint recognition driving transistor. An output terminal of the fingerprint recognition driving transistor is electrically connected to the sensing signal output terminal.
Public/Granted literature
- US20210334494A1 CIRCUIT, STRUCTURE, AND DEVICE FOR FINGERPRINT RECOGNITION, DISPLAY PANEL, AND DISPLAY DEVICE Public/Granted day:2021-10-28
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