| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light condensing system effectively shielding remaining transmission light in an oblique direction, suppressing unpleasant coloring, having satisfactory display, and also, having reduced cost. <P>SOLUTION: The light condensing system includes a back light system equipped with a light source and a primary light condensing part (X) capable of condensing the light emitted from the light source within the extent of ±60° in the front direction and a light condensing film having no pattern structure as a secondary light condensing element (Y). <P>COPYRIGHT: (C)2004,JPO |
