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公开(公告)号：US20220135874A1
公开(公告)日：2022-05-05
申请号：US17430719
申请日：2020-02-21
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Noriko UEDA , Hiroki TATSUMI , Ryo NAKABAYASHI
Abstract: An infrared-emitting compound has a structure represented by the following Formula (1a). In Formula (1a), Ar and ring A each independently represent an aryl ring, a heteroaryl ring or a fused ring thereof. Q-Ar represents an infrared-emitting residue. R1 represents a group in which a dihedral angle between Ar and ring A is 45 degree or more. And a thick line represents a single bond or a double bond.
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