Backlight unit
US8550646B2 · kind B2 · utility
4Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2008 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Apr 14, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133613
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit capable of preventing a degradation in luminance, while achieving a reduction in heat generation and a reduction in manufacturing costs by adjusting the arrangement of the light sources while reducing the number of the light sources is disclosed. The disclosed backlight unit includes a bottom cover formed with a plurality of light source groups each including a plurality of light sources arranged in one direction. The spacing of the adjacent light source groups increases gradually from a central portion of the bottom cover to opposite edges of the bottom cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.