POLYIMIDE, POLYIMIDE VARNISH, OPTICAL COMPENSATION FILM AND POLYIMIDE, AND PRODUCTION METHOD OF OPTICAL COMPENSATION FILM

PROBLEM TO BE SOLVED: To provide a polyimide useful as an optical compensation film material for a liquid crystal display, which has all of high transparency, high reflectivity, low wavelength dispersion property of birefringence of visible light region wave length, high solubility in an organic sol...

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Bibliographische Detailangaben

Hauptverfasser:	HASEGAWA MASATOSHI, MATSUTANI AKIO, AKINAGA TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	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 FREQUENCY-CHANGING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP
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