| 摘要 |
<p>PURPOSE: A surface light source device is provided to prevent the generation of hot spot or brightness by absorbing a light absorption sheet and to induce light which is leaked from a light inducing unit. CONSTITUTION: A light guide plate(34) includes a light incoming area, a light inducing unit, and a light guide plate main body(49). The light guide plate main body is in a light emitting area. A light diffusing plate is put on the upper side of the main body. The prism sheet is presented from the optical disk main body and covers the upper side of a slope surface through an air layer. A plurality of light sources is arranged in the optical surface.</p> |
