| 发明名称 |
FRESNEL-TYPE OPTICAL STRUCTURE |
| 摘要 |
A multidirectional single surface optically shaped film is disclosed. The optically shaped film may include a film having only one surface structure with two or more different, overlapping Fresnel patterns formed in the structured surface for use as thin, decorative film. |
| 申请公布号 |
WO03042727(A1) |
申请公布日期 |
2003.05.22 |
| 申请号 |
WO2002US27913 |
申请日期 |
2002.08.30 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SERVATIUS, JAMES;FEHR, ROBERT, T. |
| 分类号 |
G02B5/04;B32B3/30;G02B3/08;G02B5/18 |
主分类号 |
G02B5/04 |
| 代理机构 |
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