申请人:Idemitsu Kosan Co., Ltd.
公开号:US07642380B2
公开(公告)日:2010-01-05
The present invention relates to aromatic amine derivatives having a specific structure; and organic electroluminescent devices comprising a cathode, an anode and one or plural organic thin film layers including at least a light emitting layer which are sandwiched between the cathode and the anode wherein at least one of the organic thin film layers contains the above aromatic amine derivatives in the form of a single substance or a component of a mixture. There are provided the organic electroluminescent devices exhibiting a long life and a high efficiency of light emission which are capable of emitting a blue light having a high color purity, as well as the aromatic amine derivatives capable of realizing such organic electroluminescent devices.
本发明涉及具有特定结构的芳香胺衍生物;以及包括阴极、阳极和至少一个有机薄膜层(包括至少一个发光层),这些层被夹在阴极和阳极之间的有机电致发光器件,其中至少一个有机薄膜层以单一物质或混合物的组分形式包含上述芳香胺衍生物。本发明提供了具有长寿命和高发光效率的有机电致发光器件,能够发射具有高色纯度的蓝光,以及能够实现这种有机电致发光器件的芳香胺衍生物。