Backlight module for 3D display device and method for displaying 3D images utilizing the same
US7327929B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2005 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Jul 15, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight module including a first light guide plate, a first light source, a second light guide plate, and a second light source. The first light guide plate includes a first side, a second side opposite to the first side, and a first surface with a micro-groove structure. The first light source is disposed on the first side of the first light guide plate. The second light guide plate is disposed on the first light guide plate, and includes a third side, a fourth side opposite to the third side, and a second surface with a micro-groove structure. The fourth side and the second side are located at the same side. The second light source is disposed on the fourth side of the second light guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.