Liquid crystal alignment agents and liquid crystal display elements

The invention relates to a liquid crystal aligning agent containing polyamic acid obtained by reacting tetracarboxylic dianhydride and diamine compound, aminimide polymer of structure obtained by dehydrating and closing loop and mixture of polyamic acid and aminimide polymer of structure obtained by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RIN EIJI, YOSHIO KOHEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The invention relates to a liquid crystal aligning agent containing polyamic acid obtained by reacting tetracarboxylic dianhydride and diamine compound, aminimide polymer of structure obtained by dehydrating and closing loop and mixture of polyamic acid and aminimide polymer of structure obtained by dehydrating, and solution selected from at least one solvent in isoamyl propionate and isoamylisobutyrate. The invention provides the liquid crystal aligning agent reducing recess in print with favorable coating performance even when environmental temperature varies in print.