- 专利标题: Security element and security document
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申请号: US14424678申请日: 2013-09-03
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公开(公告)号: US10112430B2公开(公告)日: 2018-10-30
- 发明人: Wayne Robert Tompkin , Harald Walter , Sebastian Mader
- 申请人: OVD Kinegram AG
- 申请人地址: CH Zug
- 专利权人: OVD KINEGRAM AG
- 当前专利权人: OVD KINEGRAM AG
- 当前专利权人地址: CH Zug
- 代理机构: Hoffmann & Baron, LLP
- 优先权: DE102012108169 20120903
- 国际申请: PCT/EP2013/068193 WO 20130903
- 国际公布: WO2014/033324 WO 20140306
- 主分类号: B42D25/29
- IPC分类号: B42D25/29 ; B42D25/328 ; B42D25/00 ; G02B5/18
摘要:
The invention relates to a security element (2) with a first area (30) that is transparent in transmitted light. The security element (2) has a substrate (21) which has, in the first area (30), one or more transmissive diffraction structures which display one or more optical security features when observed in transmitted light.
公开/授权文献
- US20150224809A1 Security Element and Security Document 公开/授权日:2015-08-13
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