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    • 2. 发明申请
    • REFLECTIVE POLYMER-DISPERSED CHOLESTERIC LIQUID-CRYSTAL DISPLAY
    • 反射聚合物分散的CHOLESTERIC液晶显示器
    • WO2004109378A1
    • 2004-12-16
    • PCT/US2004/017441
    • 2004-06-03
    • EASTMAN KODAK COMPANYSTEPHENSON, Stanley, W.MARTIN, Terry, J.
    • STEPHENSON, Stanley, W.MARTIN, Terry, J.
    • G02F1/1334
    • G02F1/13718C09D5/24G02F1/1334G02F2201/343
    • A display sheet comprising a substrate carrying layers of material; including a polymer-dispersed cholesteric liquid-crystal layer having a first high reflection state within a portion of the visible light spectrum and a second less-reflective state in said spectrum, said states being changeable by electric field between the two states which states can be maintained in the absence of an electric field; a first transparent conductor disposed over the polymer-dispersed cholesteric liquid-crystal layer; a complementary light-absorbing layer below the polymer-dispersed cholesteric liquid-crystal layer having relatively high light absorption within the spectrum of the high-reflection state of the polymer-dispersed cholesteric liquid-crystal layer and having relatively less light absorption in the spectrum complementary to that of the high reflection state of the polymer-dispersed cholesteric liquid-crystal layer; and a reflective second conductor under said complementary light-absorbing layer reflecting light received from the complementary light-absorbing layer back through the complementary light-absorbing layer.
    • 一种显示板,包括承载材料层的基板; 包括在可见光谱的一部分内具有第一高反射状态的聚合物分散的胆甾醇型液晶层和所述光谱中的第二较少反射状态,所述状态可由两个状态之间的电场改变,状态可以是 维持在没有电场的情况下; 布置在聚合物分散的胆甾型液晶层上的第一透明导体; 在聚合物分散的胆甾型液晶层的高反射状态的光谱内具有相对较高的光吸收的聚合物分散的胆甾醇型液晶层下面的互补的光吸收层,并且在光谱互补中具有相对较少的光吸收 与聚合物分散的胆甾型液晶层的高反射状态的相反; 以及在所述互补光吸收层下方的反射第二导体,其将从互补光吸收层接收的光反射回通过互补光吸收层。