Optical plate and backlight module using the same

Details Optical plate and backlight module using the same Optical plate and backlight module using the same

2007-09-05

2009-12-22

Husar, Stephen F (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S330000, C362S335000, C362S337000, C359S599000, C359S707000

Reexamination Certificate

active

07635193

ABSTRACT:
An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical protrusions, a diffusion layer, and at least one lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The spherical protrusions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided.

REFERENCES:
patent: 7048428 (2006-05-01), Tahara et al.
patent: 2008/0266901 (2008-10-01), Chang
patent: 2009/0027893 (2009-01-01), Chang

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