Backlight unit and display device having the same using two different lights
US8305515B2 · kind B2 · utility
1Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2007 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Apr 17, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a backlight unit and a display device having the same. The backlight unit includes a case having an opening, at least one lamp assembly disposed on a side surface of the case and including a light source, an optical transreflective unit on the case, the optical transreflective unit transmitting a portion of first light passing through the opening and reflecting a portion of second light generated from the light source, and an optical sheet including a first diffusion unit on the optical transreflective unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.