| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic EL element and method of manufacturing the same, which has high emission luminance and is excellent in durability, even if drive power voltage is low, while extracting much light volume. SOLUTION: An organic electroluminescence element 100 has a structure in which at least a positive electrode layer 10, an electron hole injection layer 12, an organic light emitting layer 14 and a cathode layers 16 are sequentially laminated. The electron hole injection layer 12 is made of an n-type inorganic semiconductor material, and, when the Fermi energy of the electron hole injection layer 12 isΦ<SB>h</SB>and the Fermi energy of the positive electrode layer 10 isΦ<SB>a</SB>, the relation ofΦ<SB>h</SB>>Φ<SB>a</SB>is satisfied, and the absorption coefficient of the n-type inorganic semiconductor material is value of 1×10<SP>4</SP>cm<SP>-1</SP>or less. COPYRIGHT: (C)2006,JPO&NCIPI
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