Backlight unit having a point light source and display apparatus having the same
US8267563B2 · kind B2 · utility
2Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Dec 30, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0091
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight unit includes; a plurality of point light sources, a light guide plate including lateral sides and main planes substantially perpendicular to the lateral sides, and a printed circuit board on which the point light sources are mounted. At least one side of the light guide plate includes a first plane, which does not correspond to the point light sources, and a light incident plane corresponding to the point light sources and having a predetermined inclination angle with respect to the first plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.