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

PURPOSE: A liquid crystal alignment film is provided to have excellent liquid crystal alignment in a PSA type liquid crystal display device, and to retrain deterioration of electrical properties when exposed to light for longtime. CONSTITUTION: A liquid crystal alignment film for a PSA type liquid c...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIKAWA MICHINORI, MIYAMOTO YOSHIKA, ABE TASUKU, NAGAO TAKA, MURAJI TAKUYA, SUZUKI KEIICHI, TOKUHISA HIROAKI
Format:	Patent
Sprache:	eng
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
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Beschreibung
Zusammenfassung:	PURPOSE: A liquid crystal alignment film is provided to have excellent liquid crystal alignment in a PSA type liquid crystal display device, and to retrain deterioration of electrical properties when exposed to light for longtime. CONSTITUTION: A liquid crystal alignment film for a PSA type liquid crystal display device comprises polyorganosiloxane having a photo-alignment group, a polymer having a photo alignment moiety in a backbone, and at least one kinds of polymer selected from a group consisting of polyamic acid, polyimide, or a combination thereof. The polyorganocsiloxane comprises at least one or more kinds selected from a group consisting of groups in chemical formula A1' and chemical formula A2'.