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    • 5. 发明授权
    • Fabrication method for liquid crystal alignment layer by magnetic field
treatment
    • 通过磁场处理制备液晶取向层的方法
    • US5742370A
    • 1998-04-21
    • US806831
    • 1997-02-26
    • Chung Yup KimYoung Chul KimDong Young KimHyun Nam ChoJun Young Lee
    • Chung Yup KimYoung Chul KimDong Young KimHyun Nam ChoJun Young Lee
    • G02F1/1337G02F1/337
    • G02F1/133711G02F1/13378
    • A fabrication method for a liquid crystal alignment layer which has an excellent liquid crystal orientation efficiency and stability, and which can be mass-produced includes coating a thermoplastic polymer film on a transparent electrode to have a thickness of not less than 500.perp., fabricating a temporary cell with a structure of transparent electrode (ITO glass) / polymer film / liquid crystal / polymer film / transparent electrode (ITO glass) by attaching two transparent electrodes having polymer films coated thereon and infusing liquid crystal, fabricating a stack with a structure of transparent electrode (ITO glass)/polymer film /liquid crystal by contacting liquid crystal on the polymer film, heating the temporary cell or the stack at lower than phase separation temperature of a blend of liquid crystal and the polymer film, while applying a magnetic field exceeding 0.2 tesla, and cooling the temporary cell or the stack in the magnetic field at a cooling rate of not more than 100.degree. C. per minute.
    • 具有优异的液晶取向效率和稳定性的液晶取向膜的制造方法,可以批量生产的方法包括在透明电极上涂布热塑性聚合物膜以具有不小于500°的ORTHOGONAL的厚度,制造 通过在其上涂敷具有聚合物膜并注入液晶的两个透明电极,制造具有透明电极(ITO玻璃)/聚合物膜/液晶/聚合物膜/透明电极(ITO玻璃)的结构的临时电池, 透明电极(ITO玻璃)/聚合物膜/液晶,通过在聚合物膜上接触液晶,在液晶和聚合物膜的共混物的低于相分离温度下加热临时电池或叠层,同时施加磁场 超过0.2特斯拉,并以不超过t的冷却速度在磁场中冷却临时电池或电池 每分钟100℃。