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    • 8. 发明授权
    • Cholesteric liquid crystal color filter plate and method for manufacturing the same
    • 胆甾型液晶彩色滤光片及其制造方法
    • US06368757B1
    • 2002-04-09
    • US09621622
    • 2000-07-21
    • Suk-won Choi
    • Suk-won Choi
    • G02B520
    • G02B5/201G02B5/3016G02F1/133536G02F2001/133521
    • A cholesteric liquid crystal color filter plate which includes a substrate, a first light filter region on the substrate wherein the first light filter region is formed of a cholesteric liquid crystal mixture which is permeable to a red wavelength zone by reflecting blue and green wavelength zones, a second light filter region on the substrate wherein the second light filter region formed of a cholesteric liquid crystal mixture is permeable to the blue wavelength zone by reflecting the green and red wavelength zones, and a third light filter region on the substrate wherein the third light filter region formed of a cholesteric liquid crystal-dye mixture is permeable to the green wavelength zone. The cholesteric liquid crystal-dye mixture is manufactured by mixing a cholesteric liquid crystal reflecting one of the red wavelength zone or the blue wavelength zone, with a dye absorbing the remaining wavelength zone which is not selected by the cholesteric liquid crystal.
    • 一种胆甾醇型液晶滤色片,其特征在于,具有基板,在所述基板上具有第一滤光器区域,所述第一滤光器区域由胆红醇晶体混合物形成,所述胆甾醇型液晶混合物通过反射蓝色和绿色波长区域而能够透过红色波长区域, 基板上的第二滤光器区域,其中由胆甾型液晶混合物形成的第二滤光器区域通过反射绿色和红色波长区域而可透过蓝色波长区域,并且在基板上具有第三滤光器区域,其中第三光 由胆甾醇型液晶 - 染料混合物形成的滤光区域可透过绿色波长区域。 胆甾型液晶 - 染料混合物通过将反射红色波长区域或蓝色波长区域之一的胆甾醇型液晶与吸收未被胆甾醇型液晶选择的剩余波长区域的染料混合来制造。