| 发明名称 |
MULTILAYER BODY WITH ELECTRICALLY CONTROLLABLE OPTICALLY ACTIVE SYSTEMS OF LAYERS |
| 摘要 |
A multilayer body (1) having an optically active first layer system (10) is described, in which case the first layer system (10) is an optically variable device (OVD), and the optical effect of the first layer system (10) can be influenced by an electrically controllable second layer system (20). |
| 申请公布号 |
EP1899901(A1) |
申请公布日期 |
2008.03.19 |
| 申请号 |
EP20060762366 |
申请日期 |
2006.07.04 |
| 申请人 |
POLYIC GMBH & CO. KG |
发明人 |
LUDWIG, KLAUS;CLEMENS, WOLFGANG |
| 分类号 |
G03H1/02;B42D25/29;G03H1/00 |
主分类号 |
G03H1/02 |
| 代理机构 |
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