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    • 35. 发明申请
    • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    • 有机电致发光材料和器件
    • US20160049599A1
    • 2016-02-18
    • US14796213
    • 2015-07-10
    • Universal Display Corporation
    • Bin MAWalter YEAGEREdward BARRONAlan DEANGELISChuanjun XIAVadim ADAMOVICHScott BEERS
    • H01L51/00C07F15/00H01L51/50
    • H01L51/0085C07F15/0033C09K11/06C09K2211/1029C09K2211/1048H01L51/5016H01L51/5024H01L51/5206H01L51/5221H05B33/14
    • A compound having the formula Ir(LA)n(LB)3-n is disclosed wherein LA is an aza-DBF ligand and LB is an alkyl-substituted phenylpyridine ligand, wherein the compound has a structure according to Formula I: wherein A1, A2, A3, A4, A5, A6, A7, and A8 comprise carbon or nitrogen; wherein at least one of A1, A2, A3, A4, A5, A6, A7, and A8 is nitrogen; wherein ring B is bonded to ring A through a C—C bond; wherein the iridium is bonded to ring A through a Ir—C bond; wherein X is O, S, or Se; wherein R1 and R2 each independently represent mono-, di-, tri-, tetra-substitution, or no substitution; wherein R′ and R″ each independently represent mono-, di-substitution, or no substitution; wherein any adjacent substitutions in R′, R″, R1, R2, R3, R4, R5, and R6 are optionally linked together to form a ring; wherein R1, R2, R′, and R″ are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein R3, R4, R5, and R6 are each independently selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein n is an integer from 1 to 3; and wherein total number of carbons in at least one of the pairs R3 and R4, and R5 and R6 is at least four.
    • 公开了具有式Ir(LA)n(LB)3-n的化合物,其中LA是氮杂-DBF配体,LB是烷基取代的苯基吡啶配体,其中该化合物具有式I的结构:其中A1, A2,A3,A4,A5,A6,A7和A8包含碳或氮; 其中A1,A2,A3,A4,A5,A6,A7和A8中的至少一个为氮; 其中环B通过C-C键与环A键合; 其中所述铱通过Ir-C键与环A键合; 其中X是O,S或Se; 其中R 1和R 2各自独立地表示一,二,三,四取代或不取代; 其中R'和R“各自独立地表示一取代,二取代或不取代; 其中R',R“,R 1,R 2,R 3,R 4,R 5和R 6中的任何相邻取代可选地连接在一起形成环; 烷基,环烷基,杂烷基,芳基烷基,烷氧基,芳氧基,氨基,甲硅烷基,烯基,环烯基,杂烯基,炔基, 芳基,杂芳基,酰基,羰基,羧酸,酯,腈,异腈,硫烷基,亚磺酰基,磺酰基,膦基及其组合; 其中R3,R4,R5和R6各自独立地选自氢,氘,烷基,环烷基及其组合; 其中n为1至3的整数; 并且其中至少一个对R3和R4以及R5和R6中的碳的总数为至少四个。