发明名称 |
Security document with electrically-controlled display element |
摘要 |
The invention concerns a security document comprising a flexible carrier and a multi-layer flexible film body which is applied to the flexible carrier and which provides one or more optical security features. The flexible multi-layer film body has an electrically controller display element for generating an optical security feature with associated electrical current source for operation of the display element in combination with an optically active diffractive structure.
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申请公布号 |
US8387886(B2) |
申请公布日期 |
2013.03.05 |
申请号 |
US20050575240 |
申请日期 |
2005.09.15 |
申请人 |
TOMPKIN WAYNE ROBERT;SCHILLING ANDREAS;PETERS JOHN ANTHONY;OVD KINEGRAM AG |
发明人 |
TOMPKIN WAYNE ROBERT;SCHILLING ANDREAS;PETERS JOHN ANTHONY |
分类号 |
G06K7/00;G02B5/18;G03F7/00;G03H1/00;G03H1/04 |
主分类号 |
G06K7/00 |
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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