Patent ID: 8822040
Filing Date: 2014-09-02
Classification: H01L,Y10S

Abstract:
1. An organic electroluminescent element comprising: a substrate; a first electrode layer formed on the substrate; an organic electroluminescent layer which is formed on the first electrode layer, and has at least a light emitting layer; a semiconductor buffer layer which is formed on the organic electroluminescent layer, and consists of an inorganic compound having a band gap of 2.0 eV or more and a metal; and a second electrode layer formed on the semiconductor buffer layer, wherein the semiconductor buffer layer is a mixed semiconductor layer in which the metal is dispersed in the inorganic compound, the inorganic compound is an inorganic semiconductor compound, the inorganic semiconductor compound is at least one kind of element selected from the group consisting of ZnTe, GaS, Ga the second electrode layer contains an electrically conductive inorganic oxide, and the first electrode layer and the second electrode layer face each other across the organic electroluminescent layer.