| 发明名称 |
OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical sheet in which utilization efficiency of light of a light source is enhanced to improve luminance characteristics. <P>SOLUTION: An optical sheet 10 includes a body part 45 including a base film 50, and a plurality of unit optical elements 42 arranged on the body part. A parallel arrangement extinction position axis Aa and an inclined arrangement extinction position axis Ab of the base film are not parallel to each other. <P>COPYRIGHT: (C)2013,JPO&INPIT |
| 申请公布号 |
JP2013073055(A) |
申请公布日期 |
2013.04.22 |
| 申请号 |
JP20110212423 |
申请日期 |
2011.09.28 |
| 申请人 |
DAINIPPON PRINTING CO LTD |
发明人 |
USHIYAMA AKINOBU |
| 分类号 |
G02B5/00;F21S2/00;F21V5/00;F21V5/02;G02B5/02;G02B5/04;G02B5/30;G02F1/13357 |
主分类号 |
G02B5/00 |
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