Light guide plate and liquid crystal display device having...

Details Light guide plate and liquid crystal display device having... Light guide plate and liquid crystal display device having...

2007-07-06

2008-12-02

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S625000, C362S561000

Reexamination Certificate

active

07458712

ABSTRACT:
A liquid crystal display device includes a liquid crystal display panel. A light guide plate is disposed at a rear side of the liquid display panel. The light guide plate has an exiting surface facing the liquid crystal panel and a reflecting surface opposite to the exiting surface. The reflecting surface has a plurality of grooves. A light source unit is disposed along at least one side of the light guide plate. The reflecting surface includes a first region formed the groove of a first length and a second region formed with groove of a second length shorter than the first length.

REFERENCES:
patent: 6132053 (2000-10-01), Sendova
patent: 6415531 (2002-07-01), Ohtsuki et al.
patent: 6454452 (2002-09-01), Sasagawa et al.
patent: 7-198954 (1995-08-01), None
patent: 1020020064227 (2002-07-01), None
patent: 1020050095069 (2005-09-01), None

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