摘要 |
A projection type video display for displaying a video by casting light that is emitted from a lamp ( 1 ) serving as a light source and modulated on the basis of a video signal, has lamp cooling means ( 3 ) for cooling the lamp 1 . The video display comprises: detection means (lamp drive circuit 2 ) for detecting the startup status (lamp voltage information) of the lamp in a startup operation: and control means (microcomputer 4 ) for controlling the lamp cooling means ( 3 ) in accordance with the startup status detected by the detection means. This arrangement can shorten time required for the execution of the startup operation of the lamp.
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