Colored composition, color filter and a color liquid crystal display element

    公开(公告)号:JP5353519B2

    公开(公告)日:2013-11-27

    申请号:JP2009170004

    申请日:2009-07-21

    Abstract: PROBLEM TO BE SOLVED: To provide a colored composition which enables to form a pixel having higher luminance and contrast ratio, as compared with those that use C.I. Pigment Yellow 150, and which has proper stability without using a dye derivative. SOLUTION: The colored composition contains (A) a colorant, (B) a dispersant, (C) a binder resin and (D) a polyfunctional monomer, wherein the colorant (A) comprises an azobarbituric acid nickel complex pigment composed of an azobarbituric acid nickel complex, melamine, and the like, and wherein the dispersant (B) comprises a block copolymer having an A block, having a quaternary ammonium salt group and an amino group in a side chain, and a B block not having a quaternary ammonium salt group or an amino group in a side chain. COPYRIGHT: (C)2011,JPO&INPIT

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