发明名称 Optically active variable security element
摘要 The present invention relates to an optically variable security element comprising diffractive structures and consisting of an electrically conductive polymer and of at least one supporting film (1), a protective layer (7), a lacquer coat (3), and a reflecting layer (4) wherein said electrically conductive polymer is a polyethylene dioxythio polystyrene sulfonate (PEDT/PSS) arranged on different layers.
申请公布号 CZ298221(B6) 申请公布日期 2007.07.25
申请号 CZ20010004232 申请日期 2000.06.14
申请人 WHD ELEKTRONISCHE PRAFTECHNIK GMBH 发明人 PUTTKAMMER FRANK
分类号 B41M3/14;B42D15/10;B42D15/00;D21H21/48;G02B5/18;G03H1/18;G06K19/06 主分类号 B41M3/14
代理机构 代理人
主权项
地址