COLORED COMPOSITION FOR COLOR FILTER, PRODUCTION OF COLOR FILTER, AND COLOR FILTER PRODUCED THEREBY

Japanese Patent JP3813750

B2

PROBLEM TO BE SOLVED: To obtain a colored composition excellent in dispersedness, flowability, and storage stability by mixing a blue, green, or black pigment with a pigment modifier being a phthalocyanine compound and a resin varnish.
SOLUTION: The pigment modifier used is a compound of formula I or II (M is H, Cu, Co, Ni, or Fe; R1 is H, a 1-5C alkyl, or piperidyl; R2 is a 1-5C alkyl, a 2-4C hydroxyalkyl, pyridino, or pyrimidino; n is 1-3; and p and m are each 0-2). This modifier is used in an amount of, usually, 0.5-50 pts.wt. per 100 pts.wt. pigment. As for the pigment, the blue pigment is exemplified by ε-copper phthalocyanine blue, the green pigment is exemplified by brominated phthalocyanine green, and the black pigment is exemplified by carbon black. The amount of the pigment added is desirably 5-500 pts.wt. per 100 pts.wt. resin binder in the resin varnish.

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Shigeru Oki
Hiromitsu Yanagimoto
Yamamiya Shiro
Shigeru Sakamoto
Yamazaki Mitsuo
Nobuto Wada
Yoshio Abe
Michie Nakamura

JP33070298A

August 23, 2006

November 20, 1998

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Dainichi Seika Kogyo Co., Ltd.

C09D7/12; G09F9/30; C09D11/00; G02B5/20; (IPC1-7): C09D7/12; C09D11/00; G02B5/20; G09F9/30

JP8113724A
JP4186370A
JP62131054A
JP60020970A
JP58167654A
JP6345990A
JP58183758A
JP58182639A
JP6214113A

Toshieko Kondo
Katsuhiro Yoshida

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