Backlight module with point light sources and liquid crystal display using same
US7445369B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2007 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Oct 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An exemplary backlight module (20) includes a light guiding plate (240) with a light incident surface (241), a frame (230) receiving the light guiding plate, and at least one point light source (260) disposed between the light incident surface of the light guiding plate and the frame, the at least one point light sources includes a light emitting portion (262) and an elastic member (263). The light emitting portion and the elastic member are at opposite sides of the at least one point light source, and the elastic member elastically urges the frame such that the light emitting portion firmly contacts the light incident surface. A liquid crystal display using the backlight module is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.