Patent ID: 7993009

Claim:
A projector comprising: a main body provided with a light source, an optical element which processes light emitted from the light source in accordance with image information and a projection lens which projects a processed projection optical image onto a screen; and a cooling apparatus, disposed in the main body, for cooling the optical element, the cooling apparatus comprising a compressor, a radiator, a pressure reducing unit and an evaporator, which constitute a refrigerant circuit, wherein: air which has been heat-exchanged at the evaporator is supplied to the optical element for cooling the optical element, an inside of the main body is partitioned, by a partition member, into a first zone in which the light source is disposed and a second zone in which the optical element and the evaporator are disposed and which is sealed, the air which has been heat-exchanged at the evaporator is circulated through the second zone, the partition member is made of a heat insulating material, and the partition member is constituted of a plurality of plate members, and detachably provided in the main body.