Backlight module and liquid crystal display device using same
US7800707B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2007 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Dec 21, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V19/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight module (200) includes a fame (55) having a plurality of side walls (551, 552, 553, 554); a light guide plate (53) received in the frame, having a light incident surface (533); at least one spring element (5523), having a spring finger (5525) and a connecting arm (5524) connecting the spring finger and one side wall of the frame; and at least one radiation element (56) disposed between the spring finger and the light incident surface. The width of the at least one radiation element is larger than a distance between the light incident surface and the spring finger in a free state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.