4 - Nitrocarbazoles compound and use thereof

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PROBLEM TO BE SOLVED : To provide a compound having a moderate ionization potential, a high triplet level, and excellent luminous efficiency.SOLUTION : The present invention provides a 4-aminocarbazole compound represented by formula (1) (Ar-Arare a C6-C30 aryl group, thienyl group, furanyl group and others, R-Rare C6-C30 aryl group and others).SELECTED DRAWING : None