发明名称 Article with optically modified cholesteric liquid crystal layer
摘要 An article has transferred onto its surface a region-wise optically modified cholesteric liquid crystalline layer. The layer includes at least one single-film layer including a number of regions having cholesterically ordered material which differ from one another in pitch. The layer can include a holographic image.
申请公布号 US7022442(B2) 申请公布日期 2006.04.04
申请号 US20040779092 申请日期 2004.02.13
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 VAN DE WITTE PETER;LUB JOHAN
分类号 G02B5/32;B29C45/14;B44C1/17;B44F1/10 主分类号 G02B5/32
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