| 摘要 |
PURPOSE: A multi-optical sheet and a liquid crystal display device including the same are provided to obtain high luminance by bonding a first light collection part to a second light collection part. CONSTITUTION: A light source is located in the lower part of a liquid crystal panel. A first light collection part (210) is located in the upper part of the light source. A first light collection part includes a first lens layer (213) and a first diffusion layer (215). A second light collection part (220) is bonded to the first diffusion layer. The second light collection part includes a second lens layer (223). |
