Backlight module without light guiding plate and diffusing...

Details Backlight module without light guiding plate and diffusing... Backlight module without light guiding plate and diffusing...

2007-09-11

2007-09-11

Alavi, Ali (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S327000, C362S030000

Reexamination Certificate

active

11181712

ABSTRACT:
A backlight module without a light guiding plate and a diffusing plate is disclosed, in which a reflective layer having a light scattering structure is first disposed on a backplate and then at least a reflective mirror is provided on the reflective layer of the backplate. Further, a transparent plate is disposed on the at least reflective mirror. The backplate, the at least a reflective mirror, the reflective layer and the transparent plate form an enclosed space and thus the backlight module without a light guiding plate and a diffusing plate is completed. In another form of the backlight module without a light guiding plate and a diffusing plate, the light scattered structure is formed directly on the backplate. When a light-emitting unit emits a light source, the light source is uniformly given off through the light scattering structure, promoting use efficiency of the light source.

REFERENCES:
patent: 2005/0185394 (2005-08-01), Sakamoto et al.

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