Liquid crystal projector apparatus and cooler

Details Liquid crystal projector apparatus and cooler Liquid crystal projector apparatus and cooler

2011-06-28

2011-06-28

Blackman, Rochelle-Ann J (Department: 2862)

Optics: image projectors

Temperature control

Liquid coolant

C349S161000, C348S748000

Reexamination Certificate

active

07967446

ABSTRACT:
A liquid crystal projector apparatus has a liquid crystal unit having a liquid crystal panel for modulating light, an incident side polarizing plate and an exit side polarizing plate disposed in front of and behind the liquid crystal panel along the optical axis, respectively, a first holder member for holding the liquid crystal unit, a first heat exchanger disposed in close proximity to the first holder member for dissipating heat generated by the liquid crystal unit and then conducted to the first holder member using a coolant liquid which passes through a first channel formed inside the first heat exchanger, a pump for circulating the coolant liquid, and a radiator for cooling the coolant liquid.

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