PIGMENT COMPOSITION FOR COLOR FILTER AND COLORING COMPOSITION FOR COLOR FILTER

摘要

To provide a pigment composition and colorant composition which have superior disperse ability and provide a coated film having high contrast when it is used for a color filter is an object of the invention. A pigment composition for color filter obtainable by dissolving C.I. Pigment Red 177 and a pigment derivative having specific formula in sulfuric acid, subsequently mixing the solution with water to induce precipitation and removing acidic components, and a colored composition for a color filter in which the pigment composition is dispersed in a pigment carrier of a transparent resin, the derivatives thereof, or the mixture thereof.