| 摘要 |
PURPOSE: An organic electroluminescence device is provided to be capable of preventing a brightness from being deteriorated and being both-sided luminescence. CONSTITUTION: The first anode electrode(120) is formed over a substrate(110) and is transparent. The first organic layer(130) is formed over the first anode electrode, and a cathode electrode(140) is formed over the first organic layer. The second organic layer is formed over the cathode electrode, and the second anode electrode(160) is formed over the second organic layer and is transparent. The first and second anode electrodes are either one of an indium-tin-oxide and indium-zinc-oxide. The first organic layer consists of a hole transporting layer, an emission layer and an electron transporting layer, and further comprises a hole injection layer.
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