| 摘要 |
Disclosed is an organic electroluminescent device including a first electrode, a second electrode, and a light-emitting layer having a guest material of a red luminescent material and at least two host materials so as to be formed between the first and second electrodes. One of the host materials is a composite including the following structural formula: Moreover, one of the host materials can be a substituted or non-substituted quinoline derivative.
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