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    • 1. 发明专利
    • Liquid crystal aligner, alignment layer, and liquid crystal display element having the alignment layer
    • 液晶对准器,对准层和具有对准层的液晶显示元件
    • JP2005258397A
    • 2005-09-22
    • JP2004324691
    • 2004-11-09
    • Chisso CorpChisso Sekiyu Kagaku Kkチッソ株式会社チッソ石油化学株式会社
    • TANIOKA SATOSHIYOKOTA JUNICHIRO
    • G02F1/1337C08G73/10C09K19/12G02F1/13
    • PROBLEM TO BE SOLVED: To provide an alignment layer which can impart a preferable molecular alignment state to a liquid crystal layer on the alignment layer, to provide a liquid crystal aligner to form the layer, and to provide a liquid crystal display element having preferable black display characteristics and having the alignment layer.
      SOLUTION: The liquid crystal alignment layer has a function of controlling the degree of orientation Δ of a liquid crystal layer on the alignment layer to ≥0.05, wherein the degree of orientation is defined by formula (1). In formula (1), A|| (corresponding to A⊥) represents absorbance attributed to the characteristic group vibration in the liquid crystal layer when IR light having a polarized component parallel to the aligning direction enters the liquid crystal layer, and A⊥ represents absorbance attributed to the characteristic group vibration in the liquid crystal layer when IR light having a polarizing component perpendicular to the aligning direction enters the liquid crystal layer.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供可以在取向层上的液晶层赋予优选的分子取向状态的取向层,以提供液晶对准器以形成该层,并且提供液晶显示元件 具有优选的黑色显示特性并具有取向层。 解决方案:液晶取向层具有将取向层上的液晶层的取向度Δ控制为≥0.05的功能,其中取向度由式(1)定义。 在式(1)中,当具有与取向方向平行的偏振分量的IR光进入液晶层时,A¾¾(对应于A⊥)表示由液晶层中的特征群振动引起的吸光度,A⊥表示吸光度归因 当具有垂直于取向方向的偏振分量的IR光进入液晶层时,与液晶层中的特征组振动相关。 版权所有(C)2005,JPO&NCIPI
    • 2. 发明专利
    • Polyimide-based varnish for forming alignment layer for liquid crystal display element, the alignment layer, and the liquid crystal display element with the alignment layer
    • 用于形成用于液晶显示元件,对准层和具有对准层的液晶显示元件的对准层的基于聚酰亚胺的变量
    • JP2005120343A
    • 2005-05-12
    • JP2004219852
    • 2004-07-28
    • Chisso CorpChisso Sekiyu Kagaku Kkチッソ株式会社チッソ石油化学株式会社
    • TANIOKA SATOSHIYOKOTA JUNICHIRO
    • G02F1/1337C08J5/18C08L79/08G02F1/1343
    • PROBLEM TO BE SOLVED: To provide a polyimide-based orienting agent varnish capable of forming an alignment layer having especially high uniaxial alignment, to provide the alignment layer formed by using the varnish, and to provide a liquid crystal display element with the alignment layer, having good black displaying characteristics.
      SOLUTION: This polyimide-based varnish is used for forming the alignment layer for the liquid crystal display element, wherein the varnish forms the alignment layer having an alignment index (Δ) of ≥1.3 which is expressed by formula (1) [a forefront term of an denominator and a numerator in formula (1) is an absorbance due to C-N stretching vibration of an imide ring, measured by making infrared light having a polarization component parallel to the direction of alignment treatment incident on the alignment layer; A⊥ is an absorbance due to the C-N stretching vibration of the imide ring, measured by making infrared light having a polarization component perpendicular to the direction of the alignment treatment incident on the alignment layer; and d is a thickness (nm) of the alignment layer] and measured after liquid crystal treatment.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决问题:为了提供能够形成具有特别高的单轴取向的取向层的聚酰亚胺基取向剂清漆,以提供通过使用该清漆形成的取向层,并且提供具有 对准层,具有良好的黑色显示特性。 < P>解决方案:该聚酰亚胺系清漆用于形成液晶显示元件的取向膜,其中,所述清漆形成具有​​由式(1)表示的取向指数(Δ)≥3.3的取向膜[ 式(1)中的分母和分子的前一项是通过使具有与取向层上的取向处理的入射方向平行的偏振分量的红外光进行测定的由酰亚胺环的CN伸缩振动引起的吸光度; A⊥是通过使具有垂直于入射到取向层上的取向处理方向的偏振分量的红外光测量的,由于酰亚胺环的C-N伸缩振动而引起的吸光度; d是取向膜的厚度(nm),在液晶处理后测定。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • Liquid crystal aligning agent, liquid crystal alignment layer, and liquid crystal display element
    • 液晶结晶剂,液晶对准层和液晶显示元件
    • JP2008083676A
    • 2008-04-10
    • JP2007158923
    • 2007-06-15
    • Chisso CorpChisso Sekiyu Kagaku Kkチッソ株式会社チッソ石油化学株式会社
    • YOKOTA JUNICHIROKONDO FUMINAO
    • G02F1/1337C08G73/10
    • PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent for a liquid crystal display element, improving the problem of long-term reliability, with respect to electric characteristics accompanied by ionic density and variations with time of the ion density, and to provide a liquid crystal alignment layer, formed by using the agent, and to provide a liquid crystal display element having the layer. SOLUTION: One or more kinds of polymers, selected from among polyamic acid and its derivatives, an alkenyl-substituted nadimide compound and a specified heterocyclic compound are compounded in a liquid crystal-aligning agent, which is formed into a film and baked to produce a liquid crystal alignment layer. A liquid crystal display element having the alignment layer is produced. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题:为了提供液晶显示元件的液晶取向剂,改善长期可靠性的问题,对于伴随离子密度的电特性和离子密度随时间的变化,以及 以提供通过使用该试剂形成的液晶取向层,并提供具有该层的液晶显示元件。 解决方案:将选自聚酰胺酸及其衍生物中的一种或多种聚合物,烯基取代的亚胺酰亚胺化合物和特定的杂环化合物混合在液晶取向剂中,所述液晶取向剂形成膜并烘烤 以产生液晶取向层。 制造具有取向层的液晶显示元件。 版权所有(C)2008,JPO&INPIT