Backlight unit and display apparatus thereof
US9638956B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Jul 14, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight unit and a display device having the same are provided. A backlight unit includes at least one light source, at least one reflector disposed to enclose the at least one light source, a reflective sheet arranged under the reflector and a diffusion sheet arranged over the reflector, wherein the at least one reflector has at least one of cross sections shaped like an ellipse and a parabola, and has a reflective layer formed on an inner side thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.