TWI834646B

Provided are a liquid crystal alignment agent which makes it possible to obtain a liquid crystal alignment film which has excellent voltage holding ratio, rapid relaxation of accumulated charges, and satisfactory liquid crystal alignment property and transparency, a liquid crystal aligned film, and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUGA, TAKAHIRO, BEPPU, KOICHIRO, SOMA, SAKI
Format:	Patent
Sprache:	chi
Schlagworte:	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 MACROMOLECULAR COMPOUNDS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Provided are a liquid crystal alignment agent which makes it possible to obtain a liquid crystal alignment film which has excellent voltage holding ratio, rapid relaxation of accumulated charges, and satisfactory liquid crystal alignment property and transparency, a liquid crystal aligned film, and a liquid crystal display device. The liquid crystal alignment agent includes the following component (A), component (B), and an organic solvent. The component (A) is a polymer of at least one type selected from the group consisting of a polyimide precursor, an imidized polymer of the polyimide precursor, and a photosensitive branched acrylic polymer that exhibits liquid crystallinity in a temperature range of 100°C-300°C. The component (B) is a compound represented by the following formula (1) (Q1, Q2 are each (Q1-1) or the like; either Q1 or Q2 is (Q1-1)) (q1, q2 is 0 or 1; R1 is a hydrogen atom or the like, R2, R3 are each a group having an epoxy moiety, or the like, either R2 or R3 is a group having an epoxy moi