Image acquisition structure, driving method thereof and display device
US11394906B2 · kind B2 · utility
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20Claims
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Assignee
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Key dates
| Filing date | Jun 25, 2021 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Jun 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/778
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image acquisition structure includes a dimming layer, a processing circuit, a plurality of reference circuits and a plurality of image acquisition circuits. The reference circuit includes a first photosensor. The dimming layer is provided on a light incident side of the first photosensor, and covers at least the first photosensor of the reference circuit. An input terminal of the processing circuit is electrically connected to an output terminal of the reference circuit. Input terminals of the plurality of image acquisition circuits are electrically connected to an output terminal of the processing circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.