| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a display device of high luminance and a low power consumption. SOLUTION: The picture display device is provided with one or plural light sources 1402 and 1403, a controller which controls light 1404 and 1405 from light sources 1402 and 1403, and a medium 1401 irradiated with light 1404 and 1405, and light 1404 and light 1405 in two directions are made to cross each other and are projected to the medium 1401, and the optical response in the periphery of an intersection 1401 between light 1404 and 1405 in the medium 1401 is changed.</p> |
