PIGMENT COMPOSITION FOR COLOR FILTER, METHOD OF MANUFACTURING THE SAME, AND COLOR FILTER

PROBLEM TO BE SOLVED: To provide a pigment composition for a color filter that suffers from less deterioration in contrast and luminance even after baked.SOLUTION: The pigment composition for a color filter comprises an organic pigment and a resin, where a solid epoxy resin represented by a specific...

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Hauptverfasser: GUNJI YASUHIKO, FUNAKURA SHOJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a pigment composition for a color filter that suffers from less deterioration in contrast and luminance even after baked.SOLUTION: The pigment composition for a color filter comprises an organic pigment and a resin, where a solid epoxy resin represented by a specific general formula is contained as the resin and the pigment composition further contains an organic pigment derivative. The method of manufacturing the pigment composition for a color filter comprises a step of kneading a mixture comprising an organic pigment, an organic pigment derivative, a solid epoxy resin represented by the specific general formula and a water-soluble organic solvent in the presence of a water-soluble inorganic salt. The color filter is obtained by using the pigment composition for a color filter for a pixel portion.