Patent ID: 9159937
Filing Date: 2015-10-13
Classification: C07F,C09K,H01L,H05B

Abstract:
1. A heteroleptic light emitting complex having the general formula M(L 1 ) m (L 2 ) n wherein a) L wherein R p, u and v, independent of one another, represent an integer of from 0 to 4, t represents an integer from 0 to 3 and s and w, independent of one another represent an integer of from 0 to 2, b) ligand L wherein R R R R and R′, independently of one another, are selected from the group consisting of H, halogen, NO R a is an integer of from 0 to 3 and b is an integer of from 0 to 2, and c is an integer of from 0 to 3, c) M is Ir, m is 2, and n is 1.