Back light unit for liquid crystal display device
US6305812A · kind A · utility
8Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1998 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Dec 10, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a back light unit for liquid crystal display device (LCD). The back light unit for LCD includes a lamp reflector reflecting a lamp light toward a light guiding plate and directly fixed with screws to protrued parts of the light guiding plate which is substituting for mold frame; a reflecting sheet, a diffusing sheet and upper and lower prism sheets attached directly to the light guiding plate by means of a double stick tape respectively; and guiding ribs serving as assembly base formed on each corner of the light guiding plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.