Fingerprint acquisition apparatus, display panel and electronic device
US11587966B2 · kind B2 · utility
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18Claims
0Family size
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Key dates
| Filing date | Aug 16, 2021 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Aug 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/802
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fingerprint acquisition apparatus includes a plurality of photoelectric conversion units and a first shading pattern. The first shading pattern includes at least one first shading block including a first opening, and an orthographic projection of the first opening in the first shading block on the base substrate is within an orthographic projection of a target photoelectric conversion unit corresponding to the first shading block on the base substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.