Liquid crystal alignment agents and liquid crystal display element

The invention relates to a liquid crystal orientation agent and a liquid crystal display element. The liquid crystal orientation agent comprises: A. Polyamide acid and/or imidization polymer which are obtained by the reaction between tetracarboxylic dianhydride and diamine compound, and a compound w...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIKAWA MICHINORI, KIMURA REIJI, MIYAMOTO YOSHIWA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The invention relates to a liquid crystal orientation agent and a liquid crystal display element. The liquid crystal orientation agent comprises: A. Polyamide acid and/or imidization polymer which are obtained by the reaction between tetracarboxylic dianhydride and diamine compound, and a compound with (B-1) molecule which has at least two trimethylene oxide cycloparaffins, or the composition of a compound with (B-2) molecule which has at least two epoxy groups and a compound whose molecule has at least two trimethylene oxide cycloparaffins. A liquid crystal orientation agent with higher and reliable voltage conservation rate is provided.