Patent ID: 7060369
Filing Date: 2006-06-13
Classification: H01L,Y10S

Abstract:
1. A phosphorescent OLED device which comprises a substituted boron or aluminum compound of the formula (I) wherein Aryl is benzene, biphenyl, 1,2-terphenyl, 1,3-terphenyl, 1,4-terphenyl, tetraphenyl, naphthalene, fluorene, phenanthrene, 1,3,5-triphenylbenzene, pyrene, perylene, chrysene, trypticene, [2.2]paracyclophane, ferrocene, pyridine, pyridazine, 4,5-benzopyridazine, pyrimidine, pyrazine, 1,3,5-triazine, pyrrole, indole, 1,2,5-oxadiazole, 1,3,4-oxadiazole, 2,2′-diazabiphenyl, 4,4′-diazabiphenyl, quinoline, carbazole, 5,10H-dihydrophenazine, 10H-phenoxazine, xanthene or 9-acridine; Ar Q1, Q2 and Q3 are identical or different on each occurrence and are each CN, F, Cl or a straight-chain or branched or cyclic alkyl or alkoxy group which has from 1 to 20 carbon atoms and in which one or more nonadjacent CH A R m are identical or different and are each 0, 1, 2, 3, 4 or 5; x are identical or different and are each 0, 1, 2, 3, 4 or 5; y are identical or different and are each 0, 1, 2, 3, 4 or 5; n is 2, 3, 4, 5 or 6; Z is boron or aluminum.