TWI808150B

Provided are: a liquid-crystal alignment agent capable of giving a liquid-crystal alignment film on which accumulated-charge relaxation is quick and which changes little in accumulated-charge amount upon irradiation by a backlight; a liquid-crystal alignment film; and a liquid-crystal display elemen...

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Bibliographische Detailangaben
Hauptverfasser:	SUGA, TAKAHIRO, NAKAI, TAKASHI, MIYAMOTO, YASUHIRO, TOMOE, KOJI
Format:	Patent
Sprache:	chi
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON 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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 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 CHEMISTRY 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:	Provided are: a liquid-crystal alignment agent capable of giving a liquid-crystal alignment film on which accumulated-charge relaxation is quick and which changes little in accumulated-charge amount upon irradiation by a backlight; a liquid-crystal alignment film; and a liquid-crystal display element. The liquid-crystal alignment agent is characterized by comprising: a polymer obtained from a diamine having a structure represented by formula (1); and an organic solvent. (In formula (1), R1 represents a hydrogen atom or a C1-4 alkyl, alkenyl, alkoxy, fluoroalkyl, fluoroalkenyl, or fluoroalkoxy group, and the two R1 moieties may be the same or different but not both of the R1 moieties are hydrogen atoms; symbol * indicates a site to which another group is bonded; and any hydrogen atom of the benzene rings may have been replaced with a monovalent organic group.)