Invention Grant
- Patent Title: Security element
- Patent Title (中): 安全元素
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Application No.: US10564625Application Date: 2004-07-12
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Publication No.: US07929124B2Publication Date: 2011-04-19
- Inventor: Juergen Schuetzmann , Bernd Wunderer , Manfred Heim
- Applicant: Juergen Schuetzmann , Bernd Wunderer , Manfred Heim
- Applicant Address: DE Munich
- Assignee: Giesecke & Devrient GmbH
- Current Assignee: Giesecke & Devrient GmbH
- Current Assignee Address: DE Munich
- Agency: Rothwell, Figg, Ernst & Manbeck, P.C.
- Priority: DE10331798 20030714
- International Application: PCT/EP2004/007680 WO 20040712
- International Announcement: WO2005/005727 WO 20050120
- Main IPC: G06K9/74
- IPC: G06K9/74

Abstract:
The invention relates to an object of value with a security element, which has at least one liquid-crystalline material, the liquid-crystalline material effecting a linear polarization of light.
Public/Granted literature
- US20080106725A1 Security Element Public/Granted day:2008-05-08
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