Title:
着色組成物およびカラーフィルタ
Document Type and Number:
Japanese Patent JP7344106
Kind Code:
B2
Abstract:
To provide a colored composition containing polyhalogenated metal phthalocyanine pigment capable of forming a colored layer capable of suppressing deterioration of brightness even when exposed to a high temperature.SOLUTION: A coloring composition contains a colorant, a dispersant, a binder resin and a dispersion medium, in which the colorant contains a polyhalogenated metal phthalocyanine pigment and the dispersant has a block copolymer having an A block and a B block, the A-block has a structural unit derived from a (meth) acrylic monomer, the B block has a structural unit derived from an amino group pendant vinyl compound and a structural unit derived from a styrene compound, a content of the structural unit derived from the styrene compound in the B block is 1 mass% to 23 mass%.SELECTED DRAWING: None
Inventors:
Tatsuhiko Shimizu
Application Number:
JP2019221190A
Publication Date:
September 13, 2023
Filing Date:
December 06, 2019
Export Citation:
Assignee:
Otsuka Chemical Co., Ltd.
International Classes:
C09B47/10; C08F293/00; C08K5/3417; C08L53/00; C08L101/00; C09B67/20; G02B5/20
Domestic Patent References:
| JP2016038584A | ||||
| JP2016006522A | ||||
| JP2014167636A | ||||
| JP2018097377A | ||||
| JP2011137125A |
Foreign References:
| US20180306953 |
Attorney, Agent or Firm:
Osamu Futakuchi
Hideyuki Haratani
Hideyuki Haratani
Previous Patent: How to protect structures
Next Patent: Retractable shoring and how to use retractable shoring
Next Patent: Retractable shoring and how to use retractable shoring