Light guide plates and backlight module

Details Light guide plates and backlight module Light guide plates and backlight module

2009-08-31

2011-11-01

Husar, Stephen F (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S617000, C362S623000, C362S624000, C362S625000, C362S330000

Reexamination Certificate

active

08047698

ABSTRACT:
A light guide plate includes a light discharge surface, a light diffusing surface, a light incident surface, and a plurality of scattering dots. The light diffusing surface is located opposite to the light discharge surface. The light diffusing surface has a first part and a second part. The first part is adjacent to a light source. The light incident surface intersects with the light discharge surface and the light diffusing surface. The scattering dots within the first part are arranged in the form of a plurality of concentric arcs, and the scattering dots within the second part are arranged in the form of a plurality of lines.

REFERENCES:
patent: 5390436 (1995-02-01), Ashall
patent: 5921651 (1999-07-01), Ishikawa
patent: 7160016 (2007-01-01), Yu et al.
patent: 2003/0137824 (2003-07-01), Shinohara et al.
patent: 2004/0114069 (2004-06-01), Lai
patent: 2009/0207631 (2009-08-01), Isoda
patent: 1434336 (2003-08-01), None
patent: H11-232918 (1999-08-01), None

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