Projection type display apparatus

Details Projection type display apparatus Projection type display apparatus

2005-02-22

2005-02-22

Adams, Russell (Department: 2851)

Optics: image projectors

Temperature control

Blower

C353S031000

Reexamination Certificate

active

06857749

ABSTRACT:
An optical equipment having a discharge lamp for supplying light and a light valve device for projecting the light from the equipment having an air intake opening arranged on one side of the equipment. A ventilation device is associated with the air intake opening so as to draw in air from outside of the equipment through the air intake opening and a ventilation path arranged so as to extend from an outlet of the ventilation device continuously. The ventilation path includes a partition member proximate to an outlet of the ventilation device and air flow through the ventilation path is divided into a plurality of air flows by the partition member so as to cool different parts of the light valve device respectively.

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