Patent ID: 8068297
Filing Date: 2011-11-29
Classification: C09B,G02B

Abstract:
1. A coloring powder composition for a blue pixel portion of a color filter, comprising: a dioxazine sulfamoyl compound (A) represented by general formula (1) shown below: wherein R represents an alkyl group of 1 to 4 carbon atoms, n represents an integer of 1 to 4, and Y represents a group represented by general formula (2) shown below: wherein l represents an integer of 4 to 100, each Q independently represents a hydrogen atom or a methyl group, and Q′ represents an alkyl group of 1 to 6 carbon atoms; and a blue organic pigment (B), wherein an amount of the dioxazine sulfamoyl compound (A), relative to an amount of the blue organic pigment (B), is within a range from 1 to 115.6% by mass.