COLORING COMPOSITION FOR COLOR FILTERS, AND COLOR FILTER

PROBLEM TO BE SOLVED: To provide a coloring composition for color filters having excellent storage stability, and a color filter that prevents foreign matter from occurring on a coating film, has strong adhesion to a transparent substrate such as glass, has high heat resistance and solvent resistanc...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIKAWA YUKI, KUBOTA NARUTOSHI, MIKAMI JOSHI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a coloring composition for color filters having excellent storage stability, and a color filter that prevents foreign matter from occurring on a coating film, has strong adhesion to a transparent substrate such as glass, has high heat resistance and solvent resistance, and excellent alkali solubility.SOLUTION: A coloring composition for color filters contains a colorant having a specific structure (A), a binder resin (B), and a hindered amine compound (C). The coloring composition has high storage stability, prevents foreign matter from occurring on a coating film, has excellent adhesion, and shows high heat resistance in a heat resistance test.SELECTED DRAWING: None 【課題】保存安定性に優れたカラーフィルタ用着色組成物、並びに塗膜への異物発生もなく、ガラス等の透明基板との間での強固な密着性を有し、耐熱性、耐溶剤性が高く、アルカリ溶解性に優れるカラーフィルタを提供すること。【解決手段】特定の構造を有する着色剤(A)、バインダー樹脂(B)、およびヒンダードアミン化合物(C)を含有するカラーフィルタ用着色組成物が、高い保存安定性を持ち、また塗膜への異物発生もなく、密着性に優れ、耐熱試験において高い耐熱性を示すため、上記課題は解決される。【選択図】なし