El element including the organic component and an organic el panel, an organic light emitting device el, el organic display device
2013
An organic EL element (1), comprising: an anode (2) and the cathode (6); a buffer layer (4); and disposed on an anode (2) and the buffer layer (4) between, and can be acquired as a first comprising +3 valence and an oxide of Ni as NiO +2 valence number of the second hole injection layer (3). Here, the conductive oxide Ni3 + is Ni2 + is larger than the conductive oxide. Further, the hole injection layer (3), the number of atoms of Ni3 + and Ni2 + with respect to the ratio of the number of atoms is 60% or more.
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