| 摘要 |
PROBLEM TO BE SOLVED: To reduce the drive voltage, and improve luminance, transparency, and durability. SOLUTION: This element 100 is constituted sequentially with at least a positive electrode layer 10, an organic luminescent layer 14, and a negative electrode layer 16. The positive electrode layer 10 and the negative electrode layer 16, or one of them are constituted by combining A group inorganic compound such as Ge, Sn, Zn, or Cd, and B group compound such as 5A-8 group in the periodic table.
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