申请人:Wolleb Annemarie
公开号:US09284278B2
公开(公告)日:2016-03-15
Metal complexes of the formula I or I′ [LDH]nM[L]m (I) [LTH](M[L]p)2 (I1) wherein n is an integer 1 or 2, m and p each is an integer 1 or 2, the sum (n+m) being 2 or 3, M is a metal with an atomic weight of greater than 40 such as Iridium, L is a ligand as described in claim 1, and LDH is a bidentate ligand of the formula I1 and LTH is a dimer of LDH, binding to 2 metal atoms M, of the formula II′ wherein W is selected from O, S, NR4, CR5R6, X is N or CR7, Y is selected from O, S, NR8; and further residues are as defined in claim 1, show good light emitting efficiency in electroluminescent applications.
公式I或I′ [LDH]nM[L]m (I) [LTH](M[L]p)2 (I1)的金属配合物,其中n为整数1或2,m和p分别为整数1或2,总和(n+m)为2或3,M是原子量大于40的金属,如铱,L是如权利要求1所述的配体,而LDH是公式I1的双齿配体,LTH是LDH的二聚体,结合到2个金属原子M,公式II′中的W从O、S、NR4、CR5R6中选择,X为N或CR7,Y从O、S、NR8中选择;进一步残基如权利要求1所定义,在电致发光应用中显示出良好的发光效率。