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    • 2. 发明申请
    • ELECTROLUMINESCENT DEVICE WITH IRIDIUM COMPLEX
    • 电致发光器件与IRIDIUM复合
    • WO2006090301A1
    • 2006-08-31
    • PCT/IB2006/050474
    • 2006-02-14
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N. V.BOERNER, Herbert FriedrichPOPOVA, ElenaSALBECK, Josef
    • BOERNER, Herbert FriedrichPOPOVA, ElenaSALBECK, Josef
    • H01L51/30C09K11/06C07F15/00
    • C09K11/06C07F15/0033C09K2211/1029C09K2211/185H01L51/0085H01L51/5012H05B33/14
    • An iridium complex Ir(III)L 1L2L3 for emitting light with a central iridium ion Ir(III), with a ligand L3 as dionate from the group comprising pentane-2,4-dionate (acac), 2,2,6,6-tetramethyl-3,5-heptandionate (thd), 7,7-dimethyl- 1 , 1 ,1 ,2,2,3,3-heptyfluoro-4,6- octandionate (fod), 4,4,4-trifluorol-(2-thienyl)butane-l,3-dionate (ttfa), 1,3-diphenylpropane- 1,3-dionate (dbm), 4,4,4-trifluoro-l-(2-naphthyl)butane-l,3-dionate (tfnb) or 4,4,4-trifluoro- l-(l-naphthyl)butane-l,3-dionate and with two rigid aromatic ligands Ll and L2 with one nitrogen and one carbon atom, sharing in the ligand bond, preferably dibenzo[f,h]chinoline, benzo[h]chinoline or 5,6-dihydro-benzo[h]chinoline, characterized in that the iridium complex Ir(III)LlL2L3 is a first isomer (71), in which the nitrogen atom of the ligand Ll sharing in the ligand bonding and the nitrogen atom of the ligand L2 sharing in the ligand bonding are juxtaposed relative to the central iridium ion. The invention further relates to a method for the separation of the first isomer (71,81) of the iridium complexes (7,8) and an electroluminescent device with an electroluminescent layer (4) comprising light-emitting materials, wherein the component of the first isomer (71,81) in the total quantity of the light- emitting materials is greater than 90%, preferably greater than 95%.
    • 铱配合物Ir(III)L 1L2L3用于发射具有中心铱离子Ir(III)的光,其中配体L3为二酸酐,由包含戊烷-2,4-二酸盐(acac),2,2,6,6 (thd),7,7-二甲基-1,1,2,2,3,3-全氟-4,6-辛二酸(fod),4,4,4-三氟醇 (2-噻吩基)丁烷-1,3-二酮(ttfa),1,3-二苯基丙烷-1,3-二酮(dbm),4,4,4-三氟-1-(2-萘基)丁烷-1 (tfnb)或4,4,4-三氟-1-(1-萘基)丁烷-1,3-二酮和具有一个氮原子和一个碳原子的两个刚性芳族配体L1和L2共享于 配体键,优选二苯并[f,h]喹啉,苯并[h]喹啉或5,6-二氢 - 苯并[h]喹啉,其特征在于铱络合物Ir(III)L1L2L3是第一异构体(71) 其中配体键合中共享的配体L1的氮原子和配体键合中共享的配体L2的氮原子相对于中心铱离子并置。 本发明还涉及用于分离铱络合物(7,8)的第一异构体(71,81)和具有包含发光材料的电致发光层(4)的电致发光器件的方法,其中, 发光材料总量中的第一异构体(71,81)大于90%,优选大于95%。