Fingerprint identification device, method and electronic device
US11475706B2 · kind B2 · utility
2Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2021 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | May 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/45
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a fingerprint identification device, a fingerprint identification method and an electronic device, which could improve security of fingerprint identification. The fingerprint identification device includes an optical fingerprint sensor including a plurality of pixel units; at least two filter units disposed above at least two of the plurality of pixel units, where each filter unit corresponds to one pixel unit, and the at least two filter units comprise filter units in at least two colors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.