发明申请
- 专利标题: Security element
-
申请号: US10528425申请日: 2003-09-18
-
公开(公告)号: US20060023132A1公开(公告)日: 2006-02-02
- 发明人: Christoph Mengel , Desanka Gacesa , Max Voit
- 申请人: Christoph Mengel , Desanka Gacesa , Max Voit
- 申请人地址: DE Muenchen
- 专利权人: Giesecks & Devrient GmbH
- 当前专利权人: Giesecks & Devrient GmbH
- 当前专利权人地址: DE Muenchen
- 优先权: DE10243650.9 20020919
- 国际申请: PCT/EP03/10426 WO 20030918
- 主分类号: G02F1/133
- IPC分类号: G02F1/133
摘要:
The invention relates to an object of value with a security element having at least a first and a second liquid-crystalline material, the first material having thermochromic properties and the second material an optically variable effect.
公开/授权文献
- US07054043B2 Security element 公开/授权日:2006-05-30
信息查询