LOW TEMPERATURE PROCESSABLE SUBSTITUTED ALICYCLIC POLYIMIDE PHOTO-ALIGNMENT LAYERS AND METHOD FOR PREPARING LIQUID CRYSTAL CELLS

A soluble polyimide photo-alignment layer is provided to ensure excellent heat resistance, surface hardness and transparency and to realize processability at a low-temperature. An alicyclic soluble polyimide resin for a low-temperature process comprises a unit of the chemical formula 1. In the chemi...

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Hauptverfasser:	YI, MI HYE, YANG, YOON CHUL, AHN, TAEK
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS 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 FILLING PASTES FREQUENCY-CHANGING GENERAL PROCESSES OF COMPOUNDING INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A soluble polyimide photo-alignment layer is provided to ensure excellent heat resistance, surface hardness and transparency and to realize processability at a low-temperature. An alicyclic soluble polyimide resin for a low-temperature process comprises a unit of the chemical formula 1. In the chemical formula 1, m is a natural number of 1 - 500; R1 - R4 are independently hydrogen, C1~C30 linear or branched saturated or unsaturated alkyl group, C6~C12 aryl, C6~C30 aryl group substituted with C1~C30 alkoxy group or C6~C30 heteroaryl group. The aryl group can be substituted with C1~C30 linear or branched saturated or unsaturated alkyl, ester, carbonyl, halogen or amino group.