| 摘要 |
A light source device capable of realizing a color display having the high light-use efficiency with a simple configuration is provided. Provided is a light source device including a prism sheet disposed to face a plane to be irradiated, and to bend an incident light to a direction substantially orthogonal to an incident direction; a light source section separately emitting a plurality of color lights having wavelength regions different from each other so that each of the color lights enters into the prism sheet at a small angle with respect to an extending direction of the prism sheet; and a light source drive means for driving the light source section so that each of the color lights periodically scans the plane to be irradiated so as to perform the line-sequential irradiation operation.
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