Back light module
US6814456B1 · kind B1 · utility
20Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2003 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | May 15, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0051
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A back light module disposed under a display panel has at least a light source generator for generating light beams, a diffusing plate for scattering the light beams to the display panel, a light guide plate for scattering the light beams to the diffusing plate, at least a light shading sheet with a plurality of light holes, and a reflecting sheet for scattering the light beams to the light guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.