Optical fingerprint sensor
US11372143B2 · kind B2 · utility
0Cited by
34References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | May 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Fingerprint sensors include a plurality of optical sensor elements, a collimator filter disposed above the plurality of optical sensor elements, and a display disposed above the collimator filter, wherein the display is a fingerprint imaging light source. The collimator filter has a plurality of apertures, and the plurality of optical sensor elements is configured to receive light transmitted through one aperture of the plurality of apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.