Single-light source illumination device and liquid crystal...

Details Single-light source illumination device and liquid crystal... Single-light source illumination device and liquid crystal...

2007-02-20

2007-02-20

O'Shea, Sandra (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S612000, C362S615000, C362S620000, C362S623000

Reexamination Certificate

active

10357784

ABSTRACT:
An illumination device is constructed such that light illuminated by a light emitting element and transmitted through one side surface of a light guiding plate via an intermediate light guide is introduced into the light guiding plate and the light propagating in the light guiding plate is emitted from an output surface of the light guiding plate so as to illuminate a liquid crystal display unit (an illumination object) disposed behind the light guiding plate, such that a part of the light guiding plate, through which the liquid crystal display unit is displayed in a transmissive manner, serves as a display area, and such that the light guiding plate is formed so as to extend beyond the display area of the liquid crystal display unit and towards the light emitting element, along the longitudinal direction of the intermediate light guide.

REFERENCES:
patent: 6104453 (2000-08-01), Watanabe
patent: 6206535 (2001-03-01), Hattori et al.
patent: 6461007 (2002-10-01), Akaoka
patent: 6578977 (2003-06-01), Egawa et al.
patent: 6609806 (2003-08-01), Asakawa et al.
patent: 6644824 (2003-11-01), Baba
patent: 6685330 (2004-02-01), Miyazaki
patent: 6734929 (2004-05-01), Sugiura et al.
patent: 6863413 (2005-03-01), Umemoto
patent: 6940570 (2005-09-01), Sumida et al.
patent: 2003/0043567 (2003-03-01), Hoelen et al.

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