Patent ID: 7129518

Claim:
An organic electronic device comprising an emitting layer having an emission maximum in the range of 450 to 500 nm, wherein at least 20% by weight of the emitting layer comprises at least one compound having a Sixth Formula below: IrL a L b L′L″ (Sixth Formula) where L′ is selected from a phosphine and an isonitrile; L″ is selected from F, Cl, Br, and I; L a and L b have structure (I) below, wherein: R 1 through R 8 are independently selected from alkyl, alkoxy, halogen, nitro, cyano, fluoro, fluorinated alkyl and fluorinated alkoxy groups, and at least one of R 1 through R 8 is selected from F, C n F 2n+1 , OC n F 2n+1 , and OCF 2 X, where n is an integer from 1 through 6 and X is H, Cl, or Br, and A is C; Wherein L″ is Cl, and L′ is selected from tris[3,5-bis(trifluoromethyl)phenyl]phosphine; 2,6-dimethylphenyl isocyanide; 3-trifluoromethylphenyl isocyanide; and 4-toluenesulfonylmethyl isocyanide.