Title:
COLORING COMPOSITION FOR COLOR FILTER, FILTER SEGMENT AND COLOR FILTER
Document Type and Number:
Japanese Patent JP2020177038
Kind Code:
A
Abstract:
To provide a coloring composition for a color filter, a filter segment, and a color filter, in which wrinkles are unlikely to be generated in a coating film after photo-curing and which can form the coating film having excellent surface smoothness.SOLUTION: A coloring composition for a color filter includes: a pigment (A); a dispersant (B); a photopolymerizable monomer (C); and a photopolymerization initiator. The dispersant (B) includes: a linear acidic resin type dispersant (B1); and a comb-shaped acidic resin type dispersant (B2). The photopolymerizable monomer (C) includes: a photopolymerizable monomer (C1) having three or less polymerizable functional groups; and a photopolymerizable monomer (C2) having more than three polymerizable functional groups.SELECTED DRAWING: None
Inventors:
CHUKO TOMOTAKA
YAMADA TOMONORI
WAKU TOSHIO
YAMADA TOMONORI
WAKU TOSHIO
Application Number:
JP2019076852A
Publication Date:
October 29, 2020
Filing Date:
April 15, 2019
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD
International Classes:
G02B5/20; G03F7/004; G03F7/027
Domestic Patent References:
| JP2008222950A | 2008-09-25 | |||
| JP2016085278A | 2016-05-19 | |||
| JP2014202774A | 2014-10-27 | |||
| JP2007316148A | 2007-12-06 | |||
| JP2015087606A | 2015-05-07 | |||
| JP2014197138A | 2014-10-16 |
Foreign References:
| WO2017164161A1 | 2017-09-28 |