Patent ID: 6929871
Filing Date: 2005-08-16
Classification: C09K,H01L,H05B,Y10S

Abstract:
1. An organic electroluminescent element comprising an anode layer, an organic luminescent layer, a cathode layer and a reductive dopant layer between the organic luminescent layer and the cathode layer; the organic luminescent layer comprising either or both of an aromatic amine compound represented by a formula (1) and an aromatic amine compound represented by a formula (2) wherein A, Ar 1 and Ar 2 are independently a substituted or unsubstituted C 6-60 aromatic group which does not contain a styryl group nor an alkenyl group, at least one of A, Ar 1 and Ar 2 contains substituted or unsubstituted at least three condensed aromatic rings, and p of a condensation number is an integer of 1 to 6, wherein B, Ar 3 , Ar 4 , Ar 5 and Ar 6 are independently a substituted or unsubstituted C 6-60 aromatic group which does not contain a styryl group nor an alkenyl group, at least one of B, Ar 3 , Ar 4 , Ar 5 and Ar 6 contains substituted or unsubstituted at least three condensed aromatic rings, and q and r of a condensation number are an integer of 1 to 6 and the reductive dopant layer comprising a metal complex represented by a formula A