Display illumination device with light sensor
US7748884B2 · kind B2 · utility
3Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Jun 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical display device, including a light guiding plate, a light detecting sensor and at least two illuminants. The light detecting sensor and the illuminants are commonly mounted on a wiring board with the at least two or more illuminants disposed to face a light incidence surface of the light guiding plate. The light detecting sensor is disposed on the same side of the wiring board as the illuminants with respect to the light guiding plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.