Optical device and projector

Details Optical device and projector Optical device and projector

2007-01-22

2010-06-29

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Temperature control

Liquid coolant

C349S161000

Reexamination Certificate

active

07744223

ABSTRACT:
An optical device includes: a light modulation element that modulates a luminous flux emitted from a light source; a casing that houses the light modulation element; a holding member that holds the light modulation element and exposes a part thereof to outside; a refrigerant housed in a housing space surrounded by the casing, the holding member and the light modulation element; and a convection start unit that is provided in the casing and causes convection of refrigerant.

REFERENCES:
patent: 5170195 (1992-12-01), Akiyama et al.
patent: 6523959 (2003-02-01), Lee et al.
patent: A 2002-131737 (2002-05-01), None
patent: A 2003-195253 (2003-07-01), None
patent: A 2005-227353 (2005-08-01), None
patent: A 2006-154721 (2006-06-01), None

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