| 发明名称 |
High efficiency optical devices |
| 摘要 |
Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow angles as well as normal to the film.
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| 申请公布号 |
US6924014(B2) |
申请公布日期 |
2005.08.02 |
| 申请号 |
US20030700137 |
申请日期 |
2003.11.03 |
| 申请人 |
3MINNOVATIVE PROPERTIES COMPANY |
发明人 |
OUDERKIRK ANDREW J.;WEBER MICHAEL F.;COBB, JR. SANFORD;WORTMAN DAVID L. |
| 分类号 |
B32B3/10;B32B7/02;B32B27/36;F21V8/00;G02B1/10;G02B5/08;G02B5/26;G02B5/28;G02B5/30;G02F1/1335;G02F1/13357;(IPC1-7):B32B7/02;G27B27/00;G27B27/10;G27B27/28 |
主分类号 |
B32B3/10 |
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