Method for preparing optical fingerprint sensor, optical fingerprint sensor and display screen
US11670106B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Oct 18, 2021 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Oct 18, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.