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    • 42. 发明申请
    • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    • 有机电致发光材料和器件
    • US20160133860A1
    • 2016-05-12
    • US14851917
    • 2015-09-11
    • Universal Display Corporation
    • Pierre-Luc T. BOUDREAULTHarvey WENDTChuanjun XIA
    • H01L51/00C09K11/06C09K11/02C07F15/00
    • H01L51/0085C07F15/0033C09K11/025C09K11/06C09K2211/1029C09K2211/1059C09K2211/1088C09K2211/185H01L51/0071H01L51/0072H01L51/0074H01L51/5016
    • A compound having a formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1 or 2; y is 0, 1, or 2; z is 0, 1, or 2; x+y+z is the oxidation state of the metal M; A1-A8 are carbon or nitrogen; ring B is bonded to ring A through a C—C bond; M is bonded to ring A through a M-C bond; X is O, S, Se, CRR′, or NR1; rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; R3 represents mono, or di-substitution, or no substitution; R2, RC, and RD each independently represent mono, di, tri, or tetra-substitution, or no substitution; R4 represents mono, di, tri, or tetra-substitution; at least one R4 is a five-membered or six-membered heterocyclic ring which can be further substituted by RE; where RE represents mono, di, tri, or tetra-substitution, or no substitution; each R substituent is independently selected from a variety of moieties; and any adjacent R substitutents are optionally joined to form a ring.
    • 公开了具有式M(LA)x(LB)y(LC)z的化合物,其中配体LA是配体LB,并且配体LC是公开的。 在式M(LA)x(LB)y(LC)z中,M是原子序数大于40的金属; x为1或2; y为0,1或2; z为0,1或2; x + y + z是金属M的氧化态; A1-A8是碳或氮; 环B通过C-C键与环A键合; M通过M-C键与环A键合; X是O,S,Se,CRR'或NR1; 环C和D各自独立地为5或6元碳环或杂环; R3表示单取代或二取代,或不取代; R2,RC和RD各自独立地表示单,二,三或四取代或不取代; R4代表单,二,三或四取代; 至少一个R 4是可以被RE进一步取代的五元或六元杂环; 其中RE表示单,二,三或四取代,或不取代; 每个R取代基独立地选自多种部分; 任何相邻的R取代基任选连接形成环。