There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
提供了一种具有含
芴结构有机基团和含
芳香烃基团有机基团的芳香族单胺衍
生物,以及一种有机电致发光元件,该元件包含由单层或多层组成的有机薄膜层,同时至少包括一个发光层,该有机薄膜层位于阴极和阳极之间,其中该有机薄膜层的至少一层,特别是空穴传输层,单独含有芳香族胺衍
生物或作为混合物的组分。本发明提供了一种即使暴露在高温环境中也能保持高发光效率、低驱动电压和长发射寿命的有机电致发光元件,以及一种能够实现该有机电致发光元件的芳香胺衍
生物。