| 发明名称 |
MULTI-LAYERED FOIL BODY |
| 摘要 |
The invention relates to a multi-layered foil body (1) for marking a security document, in particular a banknote. The foil body (1) has at least one color filter layer (2) and at least one change layer (4) with an electrically controllable transmittance and/or an electrically controllable color. |
| 申请公布号 |
EP2729841(A1) |
申请公布日期 |
2014.05.14 |
| 申请号 |
EP20120731387 |
申请日期 |
2012.06.26 |
| 申请人 |
LEONHARD KURZ STIFTUNG & CO. KG;OVD KINEGRAM AG |
发明人 |
STAHL, RAINER;TOMPKIN, WAYNE ROBERT;WALTER, HARALD |
| 分类号 |
G02F1/1334;B42D25/364;G02F1/1335;G02F1/15 |
主分类号 |
G02F1/1334 |
| 代理机构 |
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