| abstract |
An electroluminescent device, including a spaced-apart anode and cathode and an organic layer disposed between the spaced-apart anode and cathode and including a polymer having arylamine repeating unit moiety represented by formula n nwherein: n Ar, Ar 1 , Ar 2 , Ar 3 , and Ar 4 are each individually arylof from 6 to 60 carbon atoms; or a heteroarylof from 4 to 60 carbons, or combinations thereof; or Ar 1 and Ar 2 , Ar 3 and Ar 4 , Ar 1 and Ar 4 , Ar 2 and Ar 4 are connected through a chemical bond; and X is a conjugated group having 2 to 60 carbon atoms. |