| 摘要 |
PURPOSE: A prism sheet is provided to prevent moire. CONSTITUTION: A prism pattern (142) includes a plurality of slopes with a plurality of ridges and valleys. A diffusion pattern (144) is irregularly placed on the prism pattern, and positioned across two valleys out of a plurality of the slopes. A prism sheet, which is located on the top of a light guide panel, collects light generated by a light source, and diffuses the light. |
