发明名称 |
LIGHT DIRECTING COMPOSITE FILM FOR ENERGY EFFICIENT SIGN |
摘要 |
<p>A light directing composite film includes a planar top major surface, a planar bottom major surface, a plurality of lenticular lens elements disposed between the top major surface and the bottom major surface, and a plurality of light reflection regions and light transmission regions disposed between the plurality of lenticular lens and the planar bottom major surface.</p> |
申请公布号 |
EP2519941(A2) |
申请公布日期 |
2012.11.07 |
申请号 |
EP20100841623 |
申请日期 |
2010.12.28 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
MEIS, MICHAEL A.;FREIER, DAVID G.;FLEMING, PATRICK R. |
分类号 |
G02B3/02;G02B3/00;G02B5/02;G09F13/10;G09F13/14 |
主分类号 |
G02B3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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