| 发明名称 |
Surface formed lenses on voided polymer light diffuser |
| 摘要 |
Disclosed is a transparent polymeric diffusion film exhibiting at least 50% transmissivity containing a thermoplastic polymeric material with internal microvoids and containing a plurality of complex lenses on a surface thereof. Such films are useful for diffusing light when it is desired to provide and even light distribution.
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| 申请公布号 |
US6890642(B2) |
申请公布日期 |
2005.05.10 |
| 申请号 |
US20020095601 |
申请日期 |
2002.03.11 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
KAMINSKY CHERYL J.;BOURDELAIS ROBERT P.;LANEY THOMAS M.;BRICKEY MICHAEL R. |
| 分类号 |
B32B3/26;B32B27/20;F21V8/00;F21Y103/00;G02B5/02;G02F1/13357;(IPC1-7):B32B27/00;G02B27/10 |
主分类号 |
B32B3/26 |
| 代理机构 |
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