| 摘要 |
PURPOSE: A liquid crystal display device and a lighting display device are provided to prevent the degradation of contrast resulting from light leakage. CONSTITUTION: A block reflection plane having a curve ratio determined according to a width of an inclined unit of a block reflection plane(5) is formed at a bottom plane of a light guide plate(1). A parallel light passing through the inner portion of the light guide plate is incident to the block reflection pane to maximize the light speed. |
