发明名称 |
OPTICALLY VARIABLE SECURITY THREADS AND STRIPES |
摘要 |
An optically variable security thread or stripe (T) is provided which could be incorporated into or onto security documents. The security thread or stripe comprises: a) an optically variable layer (1), b) a color constant layer (2) having a color matching the color impression of the optically variable layer at a viewing angle, c) a holographic metallic layer (3) and d) a substrate (4), wherein the optically variable layer, the color constant layer and the holographic metallic layer are at least partially jointly visible from the side of the security thread or stripe comprising the optically variable layer and/or the color constant layer. |
申请公布号 |
EP3055457(A1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20130895120 |
申请日期 |
2013.10.11 |
申请人 |
SICPA HOLDING SA;CHINA BANKNOTE SICPA SECURITY INK CO. LTD. |
发明人 |
RITTER, GEBHARD;LI, XIANG;DEGOTT, PIERRE;YUAN, FANG |
分类号 |
D21H21/42;G09F3/02 |
主分类号 |
D21H21/42 |
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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