| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens array sheet which reduces an influence of moire fringes while suppressing deterioration in picture quality, an optical sheet, a light source, and a liquid crystal display device. <P>SOLUTION: The lens array sheet 201 includes a lens layer 10 having a lens surface 11 on which a plurality of lenses U are formed in an array, and a light diffusion layer 50A which is arranged at an opposite side to the lens surface 11 of the lens layer 10, and diffuses light directing toward the lens layer 10 wherein the light diffusion layer 50A has a light reflection portion 51 which is embedded in at least a part of a non-light focusing region N of the lenses, and reflects light passing through the non-light focusing region N and directing toward the lens layer 10. <P>COPYRIGHT: (C)2010,JPO&INPIT |
