Patent ID: 8633475
Filing Date: 2014-01-21
Classification: H01L

Abstract:
1. An organic electroluminescence device comprising: an anode; a cathode opposed to the anode; a plurality of emitting units provided between the anode and the cathode and comprising at least a first emitting unit and a second emitting unit, the plurality of emitting units each comprising an emitting layer; and an intermediate unit between the first emitting unit and the second emitting unit, wherein the intermediate unit comprises an electron injecting layer, a zinc-containing complex oxide layer and a hole injecting layer in this sequence from the anode; a zinc-containing complex oxide contained in the zinc-containing complex oxide layer comprises zinc and an metal element M except for zinc; the zinc-containing complex oxide is represented by a formula (1) below, where: x is an integer of 1 or 2 and y is an integer of 2 to 6, and the metal element M is selected from the group consisting of Mo, W, Ti, Al, Zr, and V.