Backlight unit of a liquid crystal display device
US7512310B2 · kind B2 · utility
2Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2007 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Mar 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0061
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide member for guiding light received from a light source, the light source illuminating light toward the light guide member, the light guide member may include a plurality of first grooves on a first side of the light guide member, the first grooves extending along a first direction crossing a zero-degree radiation angle of the light from the light source, wherein an angle of a reflective face of the first groove increases approaching away from the light source of the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.