| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily visually confirm whether a plurality of optical films including an optical diffusion film are layered in correct order without being turned over when the optical films are layered. <P>SOLUTION: The back light device equipped with an optical film laminate 20 which is formed by layering the plurality of optical films 21 to 24 including the optical diffusion film 21 and arranged between a liquid crystal display element and a light source is characterized in that cut parts 22C, 23C, and 24C in similar shapes which gradually expand in the layered order are formed at identical places of edges of at least each of the optical films 22, 23, and 24 stacked on the optical diffusion film 21 among the optical films included in the optical film layered body 20. <P>COPYRIGHT: (C)2004,JPO |
