Fingerprint identification device, method and electronic device
US11048910B2 · kind B2 · utility
4Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2019 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | May 18, 2039 |
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 pixel units 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.