| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display device imgroved in the angle of visibility of liquid crystal display and high in the contrast ratio of display body. SOLUTION: This display device is composed of a liquid crystal display part and a back light part. In this case, the liquid crystal display part is composed of a liquid crystal display element 12 and an optical sheet 14 having a lot of partitioned fine gaps. At the same time, the optical sheet 14 is installed on the front face of liquid crystal display element 12, the back light part is composed of a planar light source 1, prism sheet 7 and sheet 11 in which a fine louver is integrated between the light emitting plane on the planar light source 1 and the sheet 11 in which the fine louver is integrated, one prism sheet 7 is installed at least. |
