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公开(公告)号：US09929359B2
公开(公告)日：2018-03-27
申请号：US14905144
申请日：2014-07-14
发明人： Toshiaki Sasada , Makoto Anryu , Seiichirou Yokoya
CPC分类号： H01L51/0085 , C09K11/06 , C09K2211/1007 , C09K2211/1014 , C09K2211/1029 , C09K2211/1059 , C09K2211/185 , H01L51/0035 , H01L51/0039 , H01L51/0043 , H01L51/5016 , H01L51/5056 , H01L51/5072
摘要： A composition is provided containing a first phosphorescent compound (DB) having an emission spectrum whose maximum peak wavelength is from 400 nm to less than 480 nm and having a dendron and a second phosphorescent compound (DGR) having an emission spectrum whose maximum peak wavelength is from 480 nm to less than 680 nm and having a dendron.
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公开(公告)号：US10141514B2
公开(公告)日：2018-11-27
申请号：US15303920
申请日：2015-03-30
发明人： Toshiaki Sasada , Makoto Anryu , Seiichirou Yokoya , Kohei Asada
IPC分类号： H01L51/54 , C09K11/06 , H01L51/00 , C07F15/00 , C07F5/02 , C08L65/00 , C08G61/12 , C09K11/02 , H01L51/50
摘要： A composition is provided containing: a phosphorescent compound having an emission spectrum whose maximum peak wavelength is between 380 nm or more and less than 495 nm, having no dendron and represented by formula (1′); two or more phosphorescent compounds having an emission spectrum whose maximum peak wavelength is between 495 nm or more and less than 750 nm and having a dendron; and a compound represented by formula (H-1). In formula (1′) M represents an iridium atom or the like, n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, E1 and E2 represent a carbon atom or the like, the ring R1′ represents a diazole ring, the ring R2 represents a 6-membered aromatic hydrocarbon ring or the like, and A1-G1-A2 represents an anionic bidentate ligand.
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