| 摘要 |
<p>Metal complexes of the formula I or I' [LDH]<SUB>n</SUB> M [L]<SUB>m</SUB> (I) [LTH] (M [L]<SUB>p</SUB>)<SUB>2</SUB> (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 Il and LTH is a dimer of LDH, binding to 2 metal atoms M, of the formula II' wherein W is selected from O, S, NR<SUB>4</SUB>, CR<SUB>5</SUB>R<SUB>6</SUB>, X is N or CR<SUB>7</SUB>, Y is selected from O, S, NR<SUB>8</SUB>; and further residues are as defined in claim 1, show good light emitting efficiency in electroluminescent applications.</p> |
