Title:
COLOR FILTER COLORING COMPOSITION, COLOR FILTER, AND COLOR LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2020197610
Kind Code:
A
Abstract:
To provide a color filter coloring composition which not only is excellent in fastness such as heat resistance and light fastness, causes little foreign matter in a coating and has good storage stability and good color migration properties, but also has high luminance and allows smaller film thickness in expressing the same color.SOLUTION: An azo pigment comprises a compound represented by a general formula (1) in the figure. (In general formula (1), R1 represents a halogen atom or an optionally substituted alkyl, alkoxyl or aryloxy group; and R2 and R3 each independently represent a hydrogen atom or an optionally substituted alkyl or phenyl group.)SELECTED DRAWING: Figure 1
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Inventors:
ABE YUTA
HIRASA YOSHIYUKI
SUZUKI MARI
HIRASA YOSHIYUKI
SUZUKI MARI
Application Number:
JP2019103200A
Publication Date:
December 10, 2020
Filing Date:
May 31, 2019
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD
International Classes:
G02B5/20; C09B33/147; C09B67/20; G02F1/1335; G03F7/004; G03F7/038