Thin flat type optical imaging sensor and flat panel display embedding the same
US10565419B2 · kind B2 · utility
1Cited by
0References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2017 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Apr 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J1/42
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure suggests a flat panel type optical image sensor comprising: a cover plate having a sensing area; a light incident film disposed at a side under the cover plate; a light radiating film disposed under the cover plate corresponding to the sensing area; a low refractive layer under the light incident film and the light radiating film; a light source disposed under the light incident film; and a light sensor disposed under the light incident film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.