Direct backlight modules
US7347609B2 · kind B2 · utility
2Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2004 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Dec 8, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Direct backlight modules are provided. A direct backlight module includes a liquid crystal panel, a plurality of light tubes disposed below the liquid crystal panel, a reflecting plate disposed below the light tubes, and a transparent plate disposed between the light tubes and the liquid crystal panel. Additionally, a lens array is formed on one surface of the transparent plate facing the light tubes and a prism array is formed on the other surface of the transparent plate facing the liquid crystal panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.