Patent ID: 6468676
Filing Date: 2002-10-22
Classification: H01L,Y10T

Abstract:
An organic electroluminescent display element comprising:a positive electrode, an organic luminescent film, an electron injection layer and a negative electrode; wherein each of said positive and negative electrodes, the organic luminescent film, and the electron injection layer is transparent so that a portion of said element has a visible light transmittance of 70% or more, and said electron injection layer is made of an organic metal salt containing an alkali metal or an alkaline earth metal as a metal, or an organic metal complex containing an alkali metal or an alkaline earth metal as a metal, said organic metal complex being at least a complex selected from the group consisting of acetylacetonate complexes, &agr;-nitroso-&bgr;-naphthol complexes, salicylaldoxime complexes, cupferron complexes, benzoinoxime complexes, bipyridine complexes, phenanthroline complexes, crown complexes, proline complexes and benzoylacetone complexes.