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    • 41. 发明授权
    • Fluorescent liquid crystal display devices
    • 荧光液晶显示装置
    • US4336980A
    • 1982-06-29
    • US120994
    • 1980-02-13
    • Fumiaki FunadaMasataka MatsuuraTomio Wada
    • Fumiaki FunadaMasataka MatsuuraTomio Wada
    • G02F1/133C09K11/06F21K2/00G02F1/13G02F1/1337G09F9/37
    • G02F1/13762C09K11/06F21K2/00
    • A liquid crystal display device containing a fluorescent material comprises a pair of electrodes, a pair of substrates, and an element for making liquid crystal mixtures in such a molecular orientation that the fluorescent materials generate no fluorescence at a selected portion of the pair of electrodes and accordingly no fluorescence penetrates through the liquid crystal mixtures. The element comprises a liquid crystal molecule orientation layer made of a layer of surfactant or electric power sources. The liquid crystal molecule orientation is formed over the pair of electrodes to produce a homeotropic orientation of a nematic mesophase. The electric power sources are applied to the pair of electrodes to form the homeotropic orientation of the nematic mesophase in a background area of the display device opposed to a display area of it.
    • 包含荧光材料的液晶显示装置包括一对电极,一对基板和用于以这样的分子取向制造液晶混合物的元件,使得荧光材料在该对电极的选定部分不产生荧光, 因此没有荧光穿透液晶混合物。 元件包括由表面活性剂或电源层制成的液晶分子取向层。 在一对电极上形成液晶分子取向以产生向列型中间相的垂直取向。 将电源施加到一对电极,以在显示装置的与其显示区域相对的背景区域中形成向列相中间相的垂直取向。
    • 42. 发明授权
    • Field effect mode liquid crystal display
    • 场效应模式液晶显示
    • US4232947A
    • 1980-11-11
    • US592225
    • 1975-07-01
    • Fumiaki FunadaKeiichiro Shimizu
    • Fumiaki FunadaKeiichiro Shimizu
    • G09F9/00G02F1/1337G02F1/137G02F1/139G09F9/35G02F1/133
    • G02F1/13378G02F1/133784
    • A nematic-phase liquid crystal material is sandwiched between two opposing parallel plates at least one of which is transparent. The two parallel plates are respectively coated with transparent electrode films having parallel micro-groove structures at the respective inner surfaces in contact with the nematic-phase liquid crystal material established by unidirectional rubbing. In particular, an additional or second micro-groove structure is further provided for said first-named micro-groove structure which has an asymmetric or anisotropic profile along the longitudinal axes of the respective micro-grooves within the first micro-groove structre, preferably of a substantially saw-tooth profile. This combination results in a surface anisotropy in solid geometry rather than in plane geometry in the interfacial surfaces. The surface anisotropies in the two interfacial surfaces should be established in a complemental relationship in a manner to attain uniform aligment of liquid crystal molecules and hence to reduce free energy due to the liquid crystal molecules, Therefore, non-uniformity of display is alleviated.
    • 向列相液晶材料夹在两个相对的平行板中,其中至少一个是透明的。 两个平行板分别在与通过单向摩擦建立的向列相液晶材料接触的相应内表面上分别涂覆具有平行微槽结构的透明电极膜。 特别地,对于所述第一命名微沟槽结构进一步提供附加或第二微槽结构,其具有沿着第一微槽结构内的相应微槽的纵向轴线的不对称或各向异性轮廓,优选为 基本上是锯齿型材。 这种组合导致实心几何形状的表面各向异性,而不是界面表面的平面几何形状。 两个界面的表面各向异性应以互补关系建立,以获得液晶分子的均匀分配,从而降低由于液晶分子引起的自由能。因此,显示的不均匀性得到缓解。