Under-screen optical fingerprint identification apparatus and fingerprint identification method
US11847843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2022 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Sep 16, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1365
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an under-screen optical fingerprint identification apparatus and a fingerprint identification method. The under-screen optical fingerprint identification apparatus comprises: a photodetection array which has a photosensitive area on which a photosensitive pixel array is provided, wherein the photosensitive pixel array comprises at least three types of pixels; and a fingerprint contact identification area located above the photodetection array and comprising a light-emitting layer and a cover layer, wherein the cover layer has a contact area, and the light-emitting layer has an identification area corresponding to the contact area, wherein the identification area comprises light-emitting units, each of which comprises a light-transmitting area and at least three light-emitting areas located therearound for emitting detection light of corresponding wavebands, wherein the detection light is reflected by an object to be identified to form signal light which passes through the filter layers and reaches corresponding three types of pixels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.