| 发明名称 |
Bulk complex polymer lens light diffuser |
| 摘要 |
Disclosed is a diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a pattern of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
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| 申请公布号 |
US6636363(B2) |
申请公布日期 |
2003.10.21 |
| 申请号 |
US20020095319 |
申请日期 |
2002.03.11 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
KAMINSKY CHERYL J.;BOURDELAIS ROBERT P. |
| 分类号 |
F21V8/00;F21Y103/00;G02B3/00;G02B5/02;G02F1/13357;(IPC1-7):G02B13/20 |
主分类号 |
F21V8/00 |
| 代理机构 |
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