Water-insoluble coloring compound, ink, thermal transfer recording sheet, and color filter resist composition
AssigneeCanon Kabushiki Kaisha
InventorsYuko Katsumoto, Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Takayuki Ujifusa, Takeshi Miyazaki
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Abstract
The present invention provides a water-insoluble coloring compound having a high solvent solubility, showing increased brightness and saturation, and being useful for increasing the green gamut and also provides an ink containing the water-insoluble coloring compound. The present invention provides a thermal transfer recording sheet including a coloring material layer formed on a base material from the ink and also provides a color filter resist composition showing an increased green gamut due to the ink.
Claims7
A water-insoluble coloring compound having a structure represented by Formula (1):
- in Formula (1), R1 represents an alkyl group, an aryl group, or an amino group;
- R2 represents a carboxylic acid ester or a carboxylic acid amide;
- A represents a carbonyl group or a sulfonyl group;
- and R3 and R4 each independently represent an alkyl group or an aryl group.
Dependencies are inferred from the claim text.