Abstract: The invention relates to a resin black matrix for liquid crystal display device wherein the black matrix for liquid crystal display device contains dispersed light shading agents, wherein the chromaticity coordinates (x, y) in the XYZ color system of the transmitted and/or reflected light from source C or source F10 relative to the chromaticity coordinates (x.sub.o, y.sub.o) of said light source is in the relation of (x-x.sub.o).sup.2 +(y-y.sub.o).sup.2 .ltoreq.0.01, and also relates to a resin black matrix for liquid crystal display device wherein the black matrix for liquid crystal display device contains dispersed light shading agents and is provided with a backlighting source, wherein the chromaticity coordinates (x, y) in the XYZ color system of the light that is transmitted through the resin black matrix from said backlighting source relative to the chromaticity coordinates (x.sub.o, y.sub.o) of said light source is in the relation of (x-x.sub.o).sup.2 +(y-y.sub.o).sup.2 .ltoreq.0.01.

Abstract: This invention provides a resin black matrix with a light-shading agent dispersed in a resin, comprising the use of carbon black satisfying at least one of the following features of (A) to (D), as said light-shading agent.(A) 6.5 or less in pH(B) 0.001<?COOH! in the carboxyl group concentration ?COOH! on the surface, as a molar ratio per all carbon atoms(C) 0.001<?OH! in the hydroxyl group concentration on the surface, as a molar ratio per all carbon atoms(D) 0.001<?SO.sub.3 H! in the sulfonic acid group concentration on the surface, as a molar ratio per all carbon atomsThe present invention also provides a black paste with a light-shading agent dispersed in a resin or its precursor solution, comprising the use of carbon black satisfying at least one of the above features of (A) to (D) as said light-shading agent.The third aspect of the present invention is a color filter, comprising said resin black matrix.