Color filter ink, color filter ink set, color filter, image display device, and electronic device

A color filter ink adapted to be used to manufacture a color filter by an inkjet method, the color filter ink comprising:

• C.I. Pigment Red 177;
• a dispersion medium that disperses the C.I. Pigment Red 177, the dispersion medium including one or more compounds selected from the group consisting of 1,3-butylene glycol diacetate, bis(2-butoxyethyl)ether, 2-(2-methoxy-1-methylethoxy)-1-methylethylacetate, triethylene glycol butylmethylether, and diethylene glycol monobutyl ether acetate;
• and
• a pigment derivative represented by a chemical formula (1) below,
• wherein, in the chemical formula (1), n is an integer from 1 to 5, and each of X1 to X8 is independently one of a hydrogen atom and a halogen atom.