| 发明名称 |
BRIGHTNESS ENHANCEMENT FILM WITH SOFT CUTOFF |
| 摘要 |
A brightness enhancement film (40) has a plurality of linear prisms (46, 48, 50). The prisms are disposed in pairs, each pair having first and second prisms and each prism has a prism angle and a valley angle. Either the prism angles or the valley angles, but not both, are equal.
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| 申请公布号 |
WO9728468(A1) |
申请公布日期 |
1997.08.07 |
| 申请号 |
WO1997US01627 |
申请日期 |
1997.02.04 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
O'NEILL, MARK, B.;COBB, SANFORD, JR. |
| 分类号 |
G09F9/00;F21V5/02;G02B5/02;G02B5/04;G02B5/124;G02F1/1335;G02F1/13357;(IPC1-7):G02B5/04 |
主分类号 |
G09F9/00 |
| 代理机构 |
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