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    • 3. 发明申请
    • Liquid crystal aligning agent for vertical alignment, alignment layer for liquid crystal, and liquid crystal displays made by using the same
    • 用于垂直取向的液晶取向剂,用于液晶的取向层和使用该液晶显示器制成的液晶显示器
    • US20050058780A1
    • 2005-03-17
    • US10494511
    • 2002-11-15
    • Go OnoKio MizunoHideyuki Endo
    • Go OnoKio MizunoHideyuki Endo
    • C08G73/10G02F1/1337C08G8/02B32B27/00B32B27/06C08G14/00C09K19/00
    • G02F1/133723C08G73/10C08G73/1039C08G73/1042G02F2001/133742Y10T428/1005Y10T428/1018Y10T428/1023Y10T428/31721
    • A liquid crystal alignment treating agent for vertical alignment to be used in a liquid crystal display device which has an electrode on at least one side of substrates and is driven by applying a voltage to a vertically aligned liquid crystal, characterized by containing a polyamic acid which is represented by the following formula (I) and exhibits a reduced viscosity of from 0.05 to 5.0 dl/g (in N-methyl-2-pyrrolidone at 30° C. at a concentration of 0.5 g/dl) or a polyimide obtained by cyclodehydration thereof: wherein R1 represents a tetravalent organic group, at least 20 mol % of which has a fused alicyclic structure composed of two to five rings, and all of the carbonyl groups are directly bonded to the alicyclic structure and that any two carbonyl groups are not bonded to adjacent carbon atoms of the alicyclic structure; R2 is a bivalent organic group, from 20 to 100 mol % of which has in the side-chain structure at least one structural unit selected from the group consisting of C5-20 long-chain alkyl, C5-20 fluoroalkyl, alicyclic structures and aromatic ring structures; and L is a positive integer.
    • 一种用于垂直取向的液晶取向处理剂,用于液晶显示装置,该液晶显示装置在基板的至少一侧具有电极,并通过向垂直取向的液晶施加电压而驱动,其特征在于,含有聚酰胺酸, 由下式(I)表示,比较粘度为0.05〜5.0dl / g(在N-甲基-2-吡咯烷酮中,30℃,浓度为0.5g / dl)或通过 环化脱水:其中R 1表示四价有机基团,其中至少20mol%具有由2-5个环组成的稠合脂环结构,并且所有羰基直接键合到脂环结构上,并且任何两个 羰基不与脂环结构的相邻碳原子结合; R 2是二价有机基团,其20至100摩尔%在侧链结构中具有至少一个选自以下的结构单元:C5-20长链烷基,C5-20氟烷基,脂环族 结构和芳环结构; L是正整数。
    • 8. 发明授权
    • Liquid crystal aligning agent, liquid crystal aligning films, and liquid crystal display devices
    • 液晶取向剂,液晶取向膜和液晶显示装置
    • US07105211B2
    • 2006-09-12
    • US10514845
    • 2003-05-20
    • Tetsuya ImamuraHideyuki NawataHideyuki Endo
    • Tetsuya ImamuraHideyuki NawataHideyuki Endo
    • C09K19/56G02F1/1337
    • C09K19/56G02F1/133723Y10T428/1005Y10T428/1018Y10T428/1023Y10T428/31721
    • A liquid crystal alignment treating agent for optical alignment treatment, whereby it is possible to obtain a liquid crystal alignment film which presents a high and stable tilt angle of liquid crystal and which is excellent in an accumulated charge property by a DC voltage, is provided.A liquid crystal alignment treating agent which comprises, as resin components, a polyimide precursor or a polyimide obtained by cyclodehydration of the polyimide precursor, and an acryl polymer having repeating units represented by the formula (II): (wherein R3 represents a hydrogen atom, a methyl group or a halogen atom, R4 represents an alkyl group having at least 8 carbon atoms, and k represents a positive represented by the formula (III): (wherein R3 and R5 each independently represents a hydrogen atom, a methyl group or a halogen atom, R4 represents an alkyl group having at least 8 carbon atoms, R6 represents an organic group having an epoxy group, and k and j each represents a positive integer), wherein the acryl polymer having the repeating units represented by the formula (II) or the formula (III) is from 0.01 to 30 wt % based on the whole resin components.
    • 提供了一种用于光学取向处理的液晶取向处理剂,由此可以获得具有高且稳定的液晶倾斜角并且通过DC电压具有优异的累积电荷特性的液晶取向膜。 一种液晶取向处理剂,其包含作为树脂成分的聚酰亚胺前体或通过聚酰亚胺前体的环化脱水得到的聚酰亚胺和具有由式(II)表示的重复单元的丙烯酸聚合物:(其中R 3, / SUP>表示氢原子,甲基或卤素原子,R 4表示具有至少8个碳原子的烷基,k表示由式(III)表示的阳性:( 其中R 3和R 5各自独立地表示氢原子,甲基或卤素原子,R 4表示具有 至少8个碳原子,R 6表示具有环氧基的有机基团,k和j各自表示正整数),其中具有由式(II)表示的重复单元的丙烯酸类聚合物或 式(III)相对于树脂成分为0.01〜30重量%。
    • 9. 发明申请
    • Liquid crystal aligning agent liquid crystal aligning films and liquid crystal display devices
    • 液晶取向剂液晶取向膜和液晶显示装置
    • US20050179006A1
    • 2005-08-18
    • US10514845
    • 2003-05-20
    • Tetsuya ImamuraHideyuki NawataHideyuki Endo
    • Tetsuya ImamuraHideyuki NawataHideyuki Endo
    • C09K19/56G02F1/1337
    • C09K19/56G02F1/133723Y10T428/1005Y10T428/1018Y10T428/1023Y10T428/31721
    • A liquid crystal alignment treating agent for optical alignment treatment, whereby it is possible to obtain a liquid crystal alignment film which presents a high and stable tilt angle of liquid crystal and which is excellent in an accumulated charge property by a DC voltage, is provided. A liquid crystal alignment treating agent which comprises, as resin components, a polyimide precursor or a polyimide obtained by cyclodehydration of the polyimide precursor, and an acryl polymer having repeating units represented by the formula (II): (wherein R3 represents a hydrogen atom, a methyl group or a halogen atom, R4 represents an alkyl group having at least 8 carbon atoms, and k represents a positive integer) or repeating units represented by the formula (III): (wherein R3 and R5 each independently represents a hydrogen atom, a methyl group or a halogen atom, R4 represents an alkyl group having at least 8 carbon atoms, R6 represents an organic group having an epoxy group, and k and j each represents a positive integer), wherein the acryl polymer having the repeating units represented by the formula (II) or the formula (III) is from 0.01 to 30 wt % based on the whole resin components.
    • 提供了一种用于光学取向处理的液晶取向处理剂,由此可以获得具有高且稳定的液晶倾斜角并且通过DC电压具有优异的累积电荷特性的液晶取向膜。 一种液晶取向处理剂,其包含作为树脂成分的聚酰亚胺前体或通过聚酰亚胺前体的环化脱水得到的聚酰亚胺和具有由式(II)表示的重复单元的丙烯酸聚合物:(其中R 3, / SUP>表示氢原子,甲基或卤素原子,R 4表示具有至少8个碳原子的烷基,k表示正整数)或由式 (III):(其中R 3和R 5各自独立地表示氢原子,甲基或卤素原子,R 4表示 具有至少8个碳原子的烷基,R 6表示具有环氧基的有机基团,并且k和j各自表示正整数),其中具有由 式(II)或式(III)为整个树脂成分的0.01〜30重量%。