| 摘要 |
PROBLEM TO BE SOLVED: To improve luminous efficiency and durability in an organic electroluminescent element containing a phosphorescent material in a luminous layer. SOLUTION: In the organic electroluminescent element, the luminous layer contains a phosphorescent material, and one of functional layers contains at least one type of compound expressed by general formula (1). COPYRIGHT: (C)2009,JPO&INPIT
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