| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical sheet integrated with a lens sheet and a diffusion sheet, in which the surface on a light source side of at least either of the lens sheet on the side nearest the light source and the sheet on a counter light source side of the lens sheet and thereby the front luminance can rise by more than 4%, a light source device, and a display device. SOLUTION: The optical sheet 10 integrated with the lens sheet and the diffusion sheet is so formed that the surface on the light source side of at least either of the lens sheet 14 nearest the light source side, and the sheet on the counter light source side from the lens sheet does not have light diffusion function. COPYRIGHT: (C)2007,JPO&INPIT
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