Title:
カラーフィルタ用着色剤、着色組成物およびカラーフィルタ
Document Type and Number:
Japanese Patent JP7124313
Kind Code:
B2
Abstract:
To provide a coloring agent and coloring composition excellent in high brightness, dispersion stability, heat resistance, development property and adhesion, and a color filter having high brightness and high contrast ratio and excellent reliability.SOLUTION: There are provided a coloring agent for color filter contains an isoindoline pigment (A) represented by C. I. PY139 and an isoindoline compound (B) represented by formula, and a coloring composition formed of a binder resin (C) and an organic solvent (D). In formula, R1 and R2 represent H, an alkyl group, an aryl group and a heterocyclic group.SELECTED DRAWING: None
Inventors:
Takuya Kobayashi
Yuichi Yamamoto
Yuichi Yamamoto
Application Number:
JP2017247456A
Publication Date:
August 24, 2022
Filing Date:
December 25, 2017
Export Citation:
Assignee:
Toyo Ink sc Holdings Co., Ltd.
International Classes:
C09B57/04; G02B5/20; G02F1/1335; G03F7/004
Domestic Patent References:
| JP2009120777A | ||||
| JP10292144A | ||||
| JP53000225A | ||||
| JP3153761A | ||||
| JP2008103474A | ||||
| JP2002046354A | ||||
| JP56133365A | ||||
| JP2016065115A | ||||
| JP57035565A |
Foreign References:
| CN101654565A | ||||
| CZ288713B6 |