Reflecting device and application thereof in backlight unit for enhancing light directivity
US7938552B2 · kind B2 · utility
6Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2008 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Mar 17, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133604
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention discloses a backlight unit having a reflecting device to enhance light directivity. The backlight unit comprises a light source module, comprising at least one light source, and a reflecting device. The reflecting device is provided to surround the light source or light source module and comprises a first surface. Besides, the first surface comprises at least two planes where every two planes are connected with an included angle more than 90 degrees and less than 180 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.