LIQUID CRYSTAL ALIGNING AGENT AND LIQUID CRYSTAL DISPLAY ELEMENT USING THE SAME

PROBLEM TO BE SOLVED: To provide a polyimide-based liquid crystal aligning agent that provides a liquid crystal alignment film, having excellent peeling property of the liquid crystal alignment film, proper rubbing durability of the coating film, and giving a large pretilt angle of a liquid crystal...

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Bibliographische Detailangaben
Hauptverfasser:	SHIDA TAKAFUMI, TSUTSUI KIMIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS 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 FREQUENCY-CHANGING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyimide-based liquid crystal aligning agent that provides a liquid crystal alignment film, having excellent peeling property of the liquid crystal alignment film, proper rubbing durability of the coating film, and giving a large pretilt angle of a liquid crystal and that has preferred printing properties, even when the agent has a high imidization rate. SOLUTION: The liquid crystal aligning agent contains a polyimide (A) and a polyimide (B) in a mass ratio of 50:50 to 90:10, and contains 1,3-dimethyl-2-imidazolidinone as a solvent. Both the polyimide (A) and the polyimide (B) have an imidization rate of not lower than 40%. COPYRIGHT: (C)2010,JPO&INPIT