64011-23-0Relevant articles and documents
Compound and color filter
-
Paragraph 0118; 0119, (2018/12/14)
PROBLEM TO BE SOLVED: To provide a color material which can realize excellent contrast even when subjected to a thermal history of 200°C or more required in a production process in manufacturing a color filter. SOLUTION: The invention provides compounds represented by the formula (I) in the figure. (In the general formula (I), B represents an optionally substituted aromatic group or an optionally substituted heterocyclic group; [A]n- represents any n-valent anion; and R1, R2, R3 and R4 each independently represent a hydrogen atom, C1-8 alkyl group or phenyl group.) SELECTED DRAWING: None COPYRIGHT: (C)2019,JPOandINPIT