PIGMENT COMPOSITION FOR COLOR FILTER

摘要

The present invention relates to a pigment composition or pigment dispersion suitable for producing a blue pixel portion of a color filter used in a liquid crystal display device, and also relates to a color filter. An object of the present invention is to obtain a color filter having a blue pixel portion capable of achieving a liquid crystal display device, which has a high contrast for making the images on the display screen even sharper and has a high brightness for making the display screen even brighter, and to provide a pigment composition or pigment dispersion for obtaining the color filter. The object can be achieved by the pigment composition or pigment dispersion for color filters characterized by containing a copper phthalocyanine sulfamoyl compound substituted with a sulfamoyl group having a specific polyalkylene oxide group, and a blue organic pigment. According to the present invention, it is possible to provide a color filter having a blue pixel portion capable of achieving a liquid crystal display device that exhibits high contrast and high brightness.