Title:
RED COLORING COMPOSITION
Document Type and Number:
Japanese Patent JP2022169447
Kind Code:
A
Abstract:
To provide a red coloring composition capable of forming a color filter further improved in luminance (brightness).SOLUTION: The red coloring composition contains a red colorant and a yellow colorant. The red colorant contains a diketopyrrolopyrrole pigment and a quinacridone pigment having a halogen atom. The yellow colorant contains at least one selected from the group consisting of an azo dye containing a metal and a quinophthalone pigment.SELECTED DRAWING: None
Inventors:
PIAO MIA BRAVO
MATSUURA RYUICHI
HOSHI HAYATO
MATSUURA RYUICHI
HOSHI HAYATO
Application Number:
JP2022063082A
Publication Date:
November 09, 2022
Filing Date:
April 05, 2022
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C09B67/22; C08F2/44; C09B25/00; C09B45/00; C09B48/00; C09B57/00; G02B5/20
Attorney, Agent or Firm:
Asfi International Patent Office