申请人:Nippon Mitsubishi Oil Corporation
公开号:EP1203968A1
公开(公告)日:2002-05-08
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.
一种光学层压材料,包括按上述顺序层压的支撑基板、粘合剂层、胆甾液晶层和保护层,其特征在于胆甾液晶层至少有一部分具有显示衍射功率的区域。该光学层压板可用于偏振衍射元件、液晶显示装置补偿元件、装饰件和防伪元件。