Patent ID: 8147989

Claim:
An OLED device comprising an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer comprising: a) an anthracene host; b) a bis-diarylamine 9,10-substituted anthracene emitter according to Formula (1): wherein: X is an aryl group of 6 to 30 nucleus carbon atoms; n is 0 or 1; Ar 1 , Ar 2 , Ar 3 and Ar 4 each independently represent a substituted or unsubstituted aryl group of 6 to 30 nucleus carbon atoms where Ar 1 and Ar 2 or Ar 3 and Ar 4 can optionally be joined together; W is an alkyl, aryl or heterocyclic group; and q is an integer of 0 to 2; and c) a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine.