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

2007-10-19

2010-06-22

Lee, Y My Quach (Department: 2885)

Illumination

Plural light sources

With modifier

C362S243000, C362S246000, C362S330000

Reexamination Certificate

active

07740374

ABSTRACT:
An exemplary optical plate includes one or more transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical depressions, a plurality of enclosing V-shaped protrusions, and one or more lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical depressions are formed on the light output surface. The enclosing V-shaped protrusions are formed on 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: 6964497 (2005-11-01), Greiner
patent: 7160016 (2007-01-01), Yu et al.
patent: 2007/0002552 (2007-01-01), Tseng
patent: 2007/0086179 (2007-04-01), Chen et al.
patent: 2007/0147073 (2007-06-01), Sakai et al.
patent: 2008/0266878 (2008-10-01), Chang
patent: 2009/0021947 (2009-01-01), Chang

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