Optical device having a plurality of optical modulator...

Details Optical device having a plurality of optical modulator... Optical device having a plurality of optical modulator...

2006-12-12

2006-12-12

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S008000, C349S058000, C349S096000, C353S052000, C353S056000

Reexamination Certificate

active

07148945

ABSTRACT:
An optical device and a projector having the optical device is provided, which have a liquid-crystal display having, on an exit side, a first exit polarizer plate and a second exit polarizer plate arranged thermally insulated from each other and separated in an optical axis direction, the first exit polarizer plate being bonded on a first heat conductor plate which is bonded on an incident surface of a color-combining optical unit while the second exit polarizer plate is bonded on a second heat conductor plate held by a polarization-plate holding frame. By heat release through respective independent routes, it is possible to suppress the deterioration due to the temperature rise on the exit polarizer plates and liquid-crystal display.

REFERENCES:
patent: 6359721 (2002-03-01), Fujimori
patent: 6781641 (2004-08-01), Okada et al.
patent: 6829031 (2004-12-01), Numata et al.
patent: 6935753 (2005-08-01), Takezawa et al.
patent: 2002/0126228 (2002-09-01), Yajima et al.
patent: 2001-201739 (2001-07-01), None
patent: A 2002-72162 (2002-03-01), None
patent: A-2002-229121 (2002-08-01), None
patent: 2002-287244 (2002-10-01), None
patent: 2003-057754 (2003-02-01), None

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