Back light unit and image display device using the same
US8820995B2 · kind B2 · utility
0Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2009 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC —)General
Abstract
A back light unit and an image display device are disclosed. The image display device includes a first reflection pattern and a second reflection pattern which are disposed on a plate at a predetermined interval from a light source and which pass light having an acute angle emitted by the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.