Coloring composition, method for producing same, photosensitive coloring composition, color filter, solid-state imaging element, and image display device

The invention relates to a coloring composition, a manufacturing method thereof, a photosensitive coloring composition, a color filter, a solid-state imaging element and an image display device. A coloring composition containing a colorant containing a pigment, a polyester dispersant, and a solvent,...

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Hauptverfasser: TAKAGI YUDAI, SAKAGUCHI YUYA, KARAKIDA NAOTO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a coloring composition, a manufacturing method thereof, a photosensitive coloring composition, a color filter, a solid-state imaging element and an image display device. A coloring composition containing a colorant containing a pigment, a polyester dispersant, and a solvent, the polyester dispersant having a main chain based on an aromatic carboxylic acid ester site having an ester bond, and a side chain based on a vinyl polymer site, the aromatic carboxylic acid ester site having an ester bond is a site for producing a reaction between an aromatic compound having two or more acid anhydride groups and a compound having two or more hydroxyl groups, and the amount of the acid anhydride groups is 0.9-1.5 moles per 1 mole of the hydroxyl groups, and the amount of the acid anhydride groups is 0.5-1.5 moles per 1 mole of the hydroxyl groups per 1 mole of the hydroxyl groups per 1 mole of the hydroxyl groups per 1 mole of the hydroxyl groups per 1 mole of the hydroxyl groups. The main chain