Backlight module

Details Backlight module Backlight module

2007-10-02

2007-10-02

O'Shea, Sandra (Department: 2875)

Illumination

Housing

With cooling means

C362S633000, C362S634000

Reexamination Certificate

active

10785182

ABSTRACT:
A backlight module including an extruded metallic carrier, a reflector sheet, a light source and a diffuser plate is provided. Of which, the extruded metallic carrier has a carrier's top-face and plural heat-dissipating tunnels with an accommodation sink being formed on the carrier's top-face; both the reflector sheet and the light source are deposited in the accommodation sink with the former being situated under the latter; the diffuser plate is situated above the light source. The extruded metallic carrier according to the invention not only maintains the overall evenness of the backlight module but also dissipates the heat outside, hence preventing the diffuser plate from being caved in and deformed due to a high temperature and improving the luminance quality of the backlight module.

REFERENCES:
patent: 4205719 (1980-06-01), Norell et al.
patent: 5154507 (1992-10-01), Collins
patent: 6661658 (2003-12-01), Capriz et al.
patent: 6789923 (2004-09-01), Liao
patent: 6871979 (2005-03-01), Mai
patent: 6880947 (2005-04-01), Hsieh et al.
patent: 2004/0228110 (2004-11-01), Hsieh et al.
patent: 2005/0036296 (2005-02-01), Kim et al.

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