| 摘要 |
PURPOSE: An optical sheet, a backlight unit for a liquid crystal display device and a manufacturing method of the optical sheet are provided to raise the quality of the liquid crystal display device having a light diffusing property and front brightness. CONSTITUTION: An optical sheet(1) is used for a backlight unit and comprises a base layer(2) and an optical function layer(3) arranged in the front surface side of the base layer. The optical function layer comprises an adhesive part(4) and a plurality of fibers(5) protruded to the base layer by passing through the adhesive part. The base layer comprises a transparent synthetic resin or a member of a flat pattern formed with glass. The adhesive part is formed by an adhesive which is coated on the whole plane of a flat surface of the base layer. The plurality of fibers is formed almost uniformly on the adhesive part, and the fibers protrude from the adhesive part in parallel. |
