Patent ID: 6919139

Claim:
An organic electronic device comprising an active layer, wherein at least 20% by weight of the active layer comprises at least one compound having Formula I below: IrL a L b L′ (I) where L a and L b are alike or different and each of L a and L b has Formula II: wherein: R 1 through R 8 are independently selected from hydrogen, deuterium, alkyl, alkoxy, halogen, nitro, cyano, fluoro, C n (H+F) 2n+1 , OC n (H+F) 2n+1 , and OCF 2 X, where n is an integer from 1 through 12, and X is H, Cl, or Br, and A is C or N, provided that when A is N, there is no R 1 ; and L′ is a bidentate phosphino alkoxide ligand having Formula III: wherein: R 9 can be the same or different at each occurrence and is selected from C 6 F 5 and C 6 H p Y 5−p , R 10 can be the same or different at each occurrence and is selected from H, F, and C n (H+F) 2n+1 ; Y is CF 3 ; n is an integer from 1 through 12; m is 2 or 3; p is 3 or 4.