Liquid crystal display device having light guide with...

Details Liquid crystal display device having light guide with... Liquid crystal display device having light guide with...

2005-01-04

2005-01-04

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S061000, C349S062000, C362S026000, C362S035000, C362S561000, C385S146000

Reexamination Certificate

active

06839102

ABSTRACT:
A liquid crystal display device is provided which includes an increased brightness of a display panel by effectively utilizing light from a light source. In the liquid crystal display device, a refractive surface of a light guide plate for guiding light that enters an inner portion from the light source, is composed of a plurality of slant dividing surfaces and connection surfaces provided between the dividing surfaces. A slant angle of the dividing surfaces is set to one at which the light projected from the light source is reflected in a direction substantially parallel with a plate of the light guide plate.

REFERENCES:
patent: 6147725 (2000-11-01), Yuuki et al.
patent: 6256447 (2001-07-01), Laine
patent: 20010019379 (2001-09-01), Ishihara et al.

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