Light source device and liquid crystal display

Details Light source device and liquid crystal display Light source device and liquid crystal display

2008-02-27

2010-10-05

Caley, Michael H (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S005000, C349S062000, C362S097100, C362S097300, C362S606000, C362S607000, C362S620000

Reexamination Certificate

active

07808577

ABSTRACT:
A light source device capable of realizing a color display having the high light-use efficiency with a simple configuration is provided. Provided is a light source device including a prism sheet disposed to face a plane to be irradiated, and to bend an incident light to a direction substantially orthogonal to an incident direction; a light source section separately emitting a plurality of color lights having wavelength regions different from each other so that each of the color lights enters into the prism sheet at a small angle with respect to an extending direction of the prism sheet; and a light source drive means for driving the light source section so that each of the color lights periodically scans the plane to be irradiated so as to perform the line-sequential irradiation operation.

REFERENCES:
patent: 5390276 (1995-02-01), Tai et al.
patent: 2003/0231160 (2003-12-01), Yoshihara et al.
patent: 2005/0024699 (2005-02-01), Liu
patent: 2002-296588 (2002-10-01), None
patent: 2006-220685 (2006-08-01), None

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