Optical device and rear projector

Details Optical device and rear projector Optical device and rear projector

2007-03-13

2007-03-13

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Temperature control

C353S054000, C349S058000, C349S161000

Reexamination Certificate

active

10950473

ABSTRACT:
A heat-conductive frame (448) is provided extending between a holder frame (446) and a fixing member (447) of an optical device (44). Additionally, a heat-conductive member (450) is provided, which abuts on a dust-proof glass on the light-irradiation side of a liquid crystal panel (440) and the fixing member (447). The holder frame (446) and the fixing member (447) are fixed by a heat-conductive agglutinate. Besides, a heat-conductive member (452) is attached extending between a light-irradiation surface of a transparent member (443A) of an irradiation-side polarization plate (443) and the fixing member (447). A heat-radiation fin (449) having a plurality of fin members (449B) is attached to an upper plate body (447C) of the fixing member (447).

REFERENCES:
patent: 6565213 (2003-05-01), Yamaguchi et al.
patent: 6619828 (2003-09-01), Montet et al.
patent: 6834964 (2004-12-01), Nishihara et al.
patent: 6906840 (2005-06-01), Fujimori et al.
patent: 2002/0003704 (2002-01-01), Ohmae et al.
patent: 2004/0032665 (2004-02-01), Fujimori et al.
patent: A 2000-298311 (2000-10-01), None
patent: A 2003-066404 (2003-03-01), None
patent: A 2003-149627 (2003-05-01), None

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