| 简介 |
An organic electroluminescent device (1) including : a transparent electrode (12); a counter electrode (14) opposite to the transparent electrode (12); and one or more mutilayered structures between the transparent electrode (12) and the counter electrode (14), the structure including two organic emitting layers (20) and (22) and an intermediate conductive layer (30) between the organic emitting layers (20) and (22), the refractive index na of the intermediate conductive layer (30) being different from the refractive index nb of at least one of the organic emitting layers by 0.25 or less, the intermediate conductive layer (30) containing an oxide containing one or more types of rare earth elements. |
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