Patent ID: 8218095
Filing Date: 2012-07-10
Classification: G03B,H05K

Abstract:
1. A projector comprising: a liquid crystal panel having liquid crystal encapsulated between a pair of substrates; a liquid-cooling device adapted to cool the liquid crystal panel with a cooling liquid; a cooling device adapted to feed cooling air to the liquid crystal panel to cool the liquid crystal panel with the cooling air; a first translucent substrate made of an optical crystal material having thermal conductivity in a direction parallel to an optical axis higher than thermal conductivity in a direction orthogonal to the optical axis disposed on an outer surface of one of the pair of substrates; and a second translucent substrate made of an optical crystal material having thermal conductivity in a direction parallel to an optical axis higher than thermal conductivity in a direction orthogonal to the optical axis disposed on an outer surface of the other of the pair of substrates, the liquid-cooling device includes a liquid circulation pipe having a pipe shape through the cooling liquid, and disposed along at least one of side end sections of the first translucent substrate, and the liquid circulation pipe is coupled to the first translucent substrate in a manner of enabling heat transfer so that a flow direction of at least a part of the cooling liquid is orthogonal to the optical axis, wherein: