| 摘要 |
An organic electroluminescent device comprising an anode, an organic luminescent layer, an electron transport layer and a cathode formed in this order on a substrate, wherein said electron transport layer contains an electron-transporting material and an alkaline metal, at least a part of said alkaline metal is dispersed in said electron transport layer in the form of cation, and said cathode is made of silver or silver alloy.
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