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    • 64. 发明公开
    • LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING LIQUID CRYSTAL OPTICAL ELEMENT
    • 液晶组合物,液晶光学元件及其制造方法的液晶光学元件
    • EP2045309A1
    • 2009-04-08
    • EP07767727.6
    • 2007-06-27
    • Asahi Glass Company, Limited
    • NIIYAMA, SatoshiTANAKA, Remi
    • C09K19/38C09K19/54G02F1/13G02F1/1334
    • C09K19/12C09K19/3852C09K19/54C09K19/586C09K19/588C09K2019/0448C09K2219/03G02F1/1334G02F2001/13775
    • The present invention provides a liquid crystal optical device showing small haze value in transparent state and being excellent in productivity, a process for producing such a device, and a liquid crystal composition for producing such a device.
      The liquid crystal composition of the present invention is a liquid crystal composition containing a nematic liquid crystal and at least two types of optically active materials having different optical rotatory directions, wherein one of the optically active materials having different optical rotatory directions is a non-curable compound, the other one of the optically active materials is a curable compound, and the liquid crystal composition as a whole shows a nematic phase. By sandwiching the liquid crystal composition between inner faces of a pair of insulation substrates at least one of which is transparent, and curing the curable compound in a state that the liquid crystal is aligned, it is possible to obtain a liquid crystal optical device showing small haze value in transparent state and being excellent in productivity.
    • 本发明提供在透射状态下雾度值小,优良的生产率的液晶光学装置,用于产生寻求器件的工艺,以及一种用于制造搜索装置的液晶组合物。 本发明的液晶组合物是含有向列型液晶和至少2种光学活性物质具有不同的旋光方向,worin具有不同旋光方向的光学活性材料中的一种的液晶组合物是一种非固化 化合物,光学活性材料中的另一个是可固化化合物,该液晶组合物作为整体呈现向列相。 由夹持在一对绝缘基板的内表面之间的所有其是透明的至少一个的液晶组合物,和固化的状态下,可固化的化合物也液晶被对准,所以能够获得示出小的液晶光学器件 在透明状态雾度值和优异的生产率。
    • 65. 发明公开
    • LIQUID CRYSTAL OPTICAL DEVICE AND PROCESS FOR MANUFACTURING THE SAME
    • 佛罗里达州弗拉基米尔斯堡
    • EP2042915A1
    • 2009-04-01
    • EP07790650.1
    • 2007-07-11
    • Asahi Glass Company, Limited
    • NIIYAMA, SatoshiTANAKA, Remi
    • G02F1/1334
    • G02F1/13718G02F2001/13775
    • To provide a liquid crystal optical device showing a low haze value in the transparent state, further an excellent stability in the transparent-scattering characteristics and productivity, and to provide a production process thereof.
      The liquid crystal optical device in the embodiment 1 of the present invention is a liquid crystal optical device 1 comprising a pair of insulating substrates 11 and 21, of which at least one is transparent, electrodes 12 and 22 formed on respective inner faces of the substrates, and a composite 50 comprising nematic liquid crystal and a cured material, interposed between the inner faces of the substrates. The composite 50 is obtained by curing the following curable compound in the following chiral nematic liquid crystal composition in a state where the liquid crystal composition is interposed between the inner faces of the insulating substrates and the liquid crystal is aligned:
      chiral nematic liquid crystal composition: a liquid crystal composition showing a chiral nematic phase, comprising nematic liquid crystal and a curable compound, wherein at least a part of the curable compound is an optically active material having an optical rotatory power, and the optically active material having an optical rotatory power consists substantially solely of the curable compound.
    • 为了提供在透明状态下显示低雾度值的液晶光学装置,在透明散射特性和生产率方面进一步优异的稳定性,并提供其制造方法。 本发明的实施方式1的液晶光学装置是具有一对绝缘基板11,21的液晶光学装置1,其中至少一个是透明的,形成在基板的各个内表面上的电极12和22 ,以及包含向列型液晶和固化材料的复合体50,介于基板的内表面之间。 通过在液晶组合物介于绝缘基板的内表面和液晶取向之间的状态下,将随后的手性向列型液晶组合物中的以下固化性化合物固化,得到复合体50:手性向列型液晶组合物: 显示手性向列相的液晶组合物,包括向列液晶和可固化化合物,其中至少一部分可固化化合物是具有旋光性的光学活性材料,并且具有旋光性的光学活性材料包括 基本上仅仅是可固化的化合物。