Invention Grant
- Patent Title: Pixel circuit to improve sensing efficiency, image sensor using the same and operating method thereof
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Application No.: US17474806Application Date: 2021-09-14
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Publication No.: US11592331B2Publication Date: 2023-02-28
- Inventor: Kuan Tang , Yi-Cheng Chiu , Chia-Chi Kuo , Jui-Te Chiu , Han-Chi Liu
- Applicant: PixArt Imaging Inc.
- Applicant Address: TW Hsin-Chu County
- Assignee: PixArt Imaging Inc.
- Current Assignee: PixArt Imaging Inc.
- Current Assignee Address: TW Hsin-Chu County
- Agency: WPAT, PC
- Priority: TW107117929 20180525
- Main IPC: G01J1/46
- IPC: G01J1/46 ; G01J1/44
Abstract:
There is provided a circuit to improve the sensing efficiency of pixels that uses the induction effect of a capacitor to duplicate a voltage deviation caused by additional electrons and uses a circuit to cancel out the voltage deviation during reading pixel data thereby improving the sensing efficiency.
Public/Granted literature
- US20210404872A1 PIXEL CIRCUIT TO IMPROVE SENSING EFFICIENCY, IMAGE SENSOR USING THE SAME AND OPERATING METHOD THEREOF Public/Granted day:2021-12-30
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