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PROBLEM TO BE SOLVED : To provide ink for color filter and an ink set for color filter, suitably used for the manufacture of a color filter for displaying images with excellent lightness and a contrast ratio and excellent in durability, and to provide a color filter for displaying images with excellent lightness and a contrast ratio excellent in durability, and to provide an image display and electronic equipment having the color filter. SOLUTION : The ink for a color filter contains a pigment, a dispersion medium dispersing the pigment, and a rare earth metal complex having luminescence. COPYRIGHT : (C)2010, JPO&INPIT