发明授权
US09530969B2 Material for organic electroluminescence device and organic electroluminescence device 有权
有机电致发光器件和有机电致发光器件的材料

Material for organic electroluminescence device and organic electroluminescence device
摘要:
An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime.
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