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US 6,883,932 B2Granted
Apparatus for improving uniformity used in a backlight module
AssigneeIndustrial Technology Research Institute
InventorsI-Kai Pan, Po-Hung Yau, Yu-Nan Pao, Chi-Feng Chen
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Abstract
An apparatus for improving uniformity used in backlight module is disclosed, which includes a plurality of light sources for providing an illuminating light; a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light; and at least one structured arc sheet locating at the periphery of the light source for making the illuminating light uniform.
Claims10
An apparatus for improving uniformity used in a backlight module comprising:
- a plurality of light sources for providing an illuminating light;
- a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light;
- and
- two structured arc sheets mounted at the periphery of the light source for making the illuminating light uniform, wherein the angle included by said structured arc sheets ranges from 30 degrees to 270 degrees.
1 more element
An apparatus for improving uniformity used in a backlight module comprising:
- a plurality of light sources for providing an illuminating light;
- a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light;
- and
- two structured arc sheets mounted at the periphery of the light source for making the illuminating light uniform, wherein said structured arc sheets have different thickness or curvature.
1 more element
Dependencies are inferred from the claim text.