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Title:
カラーフィルタ用色材分散液、カラーフィルタ用着色樹脂組成物、カラーフィルタ、及び表示装置
Document Type and Number:
Japanese Patent JP7094891
Kind Code:
B2
Abstract:
Provided is a coloring resin composition for color filters, which has excellent colorant dispersion stability, and which is capable of forming a colored layer that has improved contrast, while being reduced in the retardation value. A coloring resin composition for color filters, which contains a colorant, a dispersant, a binder component and a solvent, and wherein: the colorant contains a red colorant and a yellow colorant; the yellow colorant contains at least one anion selected from the group consisting of mono-, di-, tri- and tetra-anions of specific azo compounds and tautomeric forms of the azo compounds, ions of at least two metals selected from the group consisting of Cd, Co, Al, Cr, Sn, Pb, Zn, Fe, Ni, Cu and Mn, and a melamine derivative; and the dispersant is a polymer that has a specific constituent unit.

Inventors:
Kazuhiko Nakamura
Inoue Nagisa
Wataru Tajiri
Application Number:
JP2018559523A
Publication Date:
July 04, 2022
Filing Date:
December 26, 2017
Export Citation:
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Assignee:
Dnp Fine Chemicals Co., Ltd.
International Classes:
G02B5/20; C09B45/48; C09B57/00; C09B67/20; C09B67/22; G02F1/1335; G03F7/004; G03F7/031
Domestic Patent References:
JP2013254126A
JP2001354869A
JP2008209804A
JP2014012838A
Foreign References:
WO2016104493A1
Attorney, Agent or Firm:
Tatsuto Kishimoto
Akihiko Yamashita