Optical display device and projection-type display device

Details Optical display device and projection-type display device Optical display device and projection-type display device

2004-12-17

2008-11-04

Blackman, Rochelle-Ann (Department: 2862)

Optics: image projectors

Particular condenser

C353S033000, C353S034000, C353S037000, C353S081000, C353S082000, C353S084000, C353S099000, C348S750000, C348S757000, C348S758000, C359S237000, C359S634000, C359S638000, C359S639000, C359S640000, C359S728000, C349S008000

Reexamination Certificate

active

07445345

ABSTRACT:
A projection-type display device1including a light source10, an optical integrator20, dichroic mirrors30and35, a reflecting mirror36, a relay optical system40, parallelizing lenses50B,50G and50R, liquid crystal light valves60B,60G and60R, incident side lenses70B,70G and70R, a light-synthesizing cross dichroic prism80, a relay lens90, an emergent side lens95, a liquid crystal light valve100and a projection lens110, and liquid crystal light valve100is provided in the rear stage of liquid crystal light valves60B,60G and60R.

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