Backlight unit and display apparatus using the same having a reflector that includes a diffuse reflection area
US8596807B2 · kind B2 · utility
7Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Dec 24, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0055
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector and at least one light source disposed between the first reflector and the second reflector. The second reflector includes a specular reflection area and a diffuse reflection area. The specular reflection area occupies about 5 to 50% of an entire area of the second reflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.