| 摘要 |
PROBLEM TO BE SOLVED: To provide a light diffusion film of superior luminance characteristics. SOLUTION: A styrene elastomer in the film is 2-30 wt.%, diffuses in the inside of the film in the form of different shape particles which are different in the maximum diameter and the minimum diameter, and an average shape difference (=the maximum diameter/the minimum diameter) of the styrene elastomer is 1.2 or larger. COPYRIGHT: (C)2005,JPO&NCIPI
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