Optical sensor with ambient light filter
US10796128B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2018 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Dec 12, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1341
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical sensor device includes: a display layer, comprising a light source configured to generate light incident on an input surface of the optical sensor device; an image sensor layer, disposed below the display layer, comprising an optical image sensor having a plurality of image sensor pixels; and a first ambient light filter layer, disposed between the display layer and the image sensor layer, configured to block one or more wavelengths of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.