COLORED FINE COLORING MATERIAL, TRANSPARENT COLORING COMPOSITION FOR COLOR FILTER CONTAINING THE SAME, AND COLOR FILTER

摘要

PROBLEM TO BE SOLVED: To provide a coloring material that has a fine primary particle diameter, is excellent in dispersibility to a vehicle colored highly and with high pigment density, and is superior in light fastness and heat resistance, as well as to provide a transparent coloring composition for a color filter excellent in light fastness, heat resistance and transparency, and having high coloring power, and a color filter using it.;SOLUTION: This colored fine coloring material includes a colored fine composite pigment of the primary particle diameter of 50 nm, wherein the colored fine composite pigment is absorbed on the surface of a dispersant in an amount of 1.0 to 5.0 mg/m², and the amount of silica contained in the colored fine coloring material is 0 to 9 wt.%, in terms of Si, relative to the colored fine coloring material.;COPYRIGHT: (C)2009,JPO&INPIT