Backlight unit and liquid crystal display device employing the same
US7740364B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2005 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Dec 5, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A direct light type backlight unit having a structure in which divided luminance areas are sequentially turned on and off and a liquid crystal display device employing the backlight unit are provided. The backlight unit includes: a base substrate; a plurality of point light sources arranged in a plurality of lines and mounted on the base substrate; and a reflector sheet vertically formed between lines of the point light sources, reflecting light emitted from the point light sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.