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

2010-02-02

Alavi, Ali (Department: 2875)

Illumination

Edge lighted panel

Light modifier with emission face combined with light guide...

C362S097200, C362S337000, C362S626000

Reexamination Certificate

active

07654719

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

REFERENCES:
patent: 5839823 (1998-11-01), Hou et al.
patent: 6425673 (2002-07-01), Suga et al.
patent: 6700716 (2004-03-01), Sejkora
patent: 6964497 (2005-11-01), Greiner
patent: 7048428 (2006-05-01), Tahara et al.
patent: 7422357 (2008-09-01), Chang

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