Patent ID: 9175211
Filing Date: 2015-11-03
Classification: C07F,C09K,H01L,H05B

Abstract:
1. A heteroleptic compound having the formula M(L) x (L 1 ) y (L 2 ) z : wherein L is wherein L wherein L wherein L wherein M is Ir; wherein x is 1 or 2 , y is 1 or 2, z is 0, 1 or 2; wherein x+y+z is the oxidation state of the metal M; wherein ring C is pyridine; wherein ring D is phenyl; wherein rings B, E and F are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; wherein L and L wherein R is a 6-membered heterocyclic aromatic ring that contains at least one nitrogen atom, wherein R is, optionally, further substituted by one or more of hydrogen, alkyl, alkoxy, amino, alkenyl, alkynyl, arylkyl, aryl, and heteroaryl; wherein R wherein each of R wherein the ligand L is coordinated bidentately to the metal M, wherein said compound is heteroleptic.