Liquid crystal orientation agent and liquid crystal display element

The invention relates to a liquid crystal orientation agent and a liquid crystal display element. The liquid crystal orientation agent provides a liquid crystal orientation film which gives full play of the advantages of a transverse-electric-field type liquid crystal display element and lowers the...

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Bibliographische Detailangaben
Hauptverfasser:	KENICHI IZUMI, HIROKO INUKAI, RIN EIJI, YONEDA ATSUSHI
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:	The invention relates to a liquid crystal orientation agent and a liquid crystal display element. The liquid crystal orientation agent provides a liquid crystal orientation film which gives full play of the advantages of a transverse-electric-field type liquid crystal display element and lowers the light transmission rate under a dark state when no electric field is generated. Moreover, the liquid crystal orientation film has excellent ghost property. The liquid crystal orientation agent contains at least one polymer selecting from a group containing polyamide acids and polyimides, wherein at least partial of the molecular of the polymer simultaneously has two special structures represented presented by following formulas.