发明名称 Optical laminate
摘要 An optical laminate comprising, laminated in the order mentioned, a support substrate, adhesive layer, cholesteric liquid crystal layer and protection layer, characterized in that the cholesteric liquid crystal layer has in at least part thereof an area indicating a diffraction power. The optical laminate is used for a polarization diffraction element, liquid crystal display device compensation element, decorative member, and forgery prevention element.
申请公布号 US6875481(B2) 申请公布日期 2005.04.05
申请号 US20010037215 申请日期 2001.10.19
申请人 NIPPON OIL CORPORATION 发明人 NISHIMURA SUZUSHI
分类号 B42D15/10;B44F1/10;G02B5/18;G02B5/30;(IPC1-7):C09K19/00 主分类号 B42D15/10
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