Liquid crystal orientation agent, liquid crystal orientation film, and liquid crystal display element

To provide a liquid crystal orientation agent containing two or more kinds of polyamic acids, in which the amide exchange reaction is suppressed and the resistance against an AC residual image is excellent, a liquid crystal orientation film obtained from the liquid crystal orientation agent, and a l...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAI, TAKASHI, SAKUMOTO, NAOKI, WANG, YU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a liquid crystal orientation agent containing two or more kinds of polyamic acids, in which the amide exchange reaction is suppressed and the resistance against an AC residual image is excellent, a liquid crystal orientation film obtained from the liquid crystal orientation agent, and a liquid crystal display element. A liquid crystal orientation agent containing two or more kinds of polyimide precursors, in which the amide exchange reaction is suppressed and the resistance against an AC residual image is excellent, a liquid crystal orientation film, and a liquid crystal display element are provided. The liquid crystal orientation agent contains a polymer component (P) containing two or more kinds of polymers and a component (C). The polymer component (P) satisfies at least one of particular conditions (i) to (iii). When the total components in the liquid crystal orientation agent is 100 mass%, the content of the component (C) is 0.1 mass% or more and less than 11 mass% and the component (C) is a c