摘要 |
A projection-type image display device has a solid light source and a light valve, and causes light emitted from the solid light source to perform scanning on the light valve along a predetermined scanning line. The projection-type image display device is provided with a modulation amount controller configured to control a modulation amount of the light valve according to an input video signal which is a video signal inputted to the projection-type image display device, and an output controller configured to determine a reference output according to the input video signal. The output controller controls an output of the solid light source according to the reference output.
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