发明名称 |
DOPPELBRECHENDER FILM UND SEINE VERWENDUNG |
摘要 |
A birefringent film comprising at least one birefringent layer of liquid crystal material forming multi domains with a splayed structure may be coated onto a reflective substrate, e.g., with an aluminium surface. The birefringent film is particularly suited for decorative, security, authentification or identification applications. |
申请公布号 |
AT500527(T) |
申请公布日期 |
2011.03.15 |
申请号 |
AT20030000032T |
申请日期 |
2003.01.07 |
申请人 |
MERCK PATENT GMBH |
发明人 |
HAMMOND-SMITH, ROBERT;PATRICK, JOHN;GRAHAM, DONAL GORDON |
分类号 |
B42D15/10;G02B5/30;G02F1/1335 |
主分类号 |
B42D15/10 |
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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