| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic light emitting element of high light taking-out efficiency. SOLUTION: A light emitting layer consists of at least one kind of organic light emitting material and a medium for holding it. The refractive index of the light emitting layer is 1.10 to less than 1.50. COPYRIGHT: (C)2008,JPO&INPIT
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