In an organic luminescence device formed of one or plural layers of organic films between an anode and a cathode, at least one layer is any one of a luminescence layer, an electron injection layer and an electron-transporting layer and is formed of at least a phenolic derivative of any one of formulas (1-
a
), (1-
b
), (2-
a
) and (2-
b
) characterized by having at least two phenoxide portions connected to each other via a specific divalent bond in its molecular structure. By the use of the phenolic derivative, the resultant organic luminescence device produces a high-luminance fluorescent luminescence at a low voltage for a long period of time.
在阳极和阴极之间由一层或多层有机薄膜形成的有机发光器件中,至少有一层是发光层、电子注入层和电子传输层中的任意一层,并且至少是由式(1-)中任意一种的
酚类衍
生物形成的。
a
), (1-
b
), (2-
a
) 和 (2-
b
) 的分子结构中至少有两个氧化
酚部分通过特定的二价键相互连接。使用
酚类衍
生物后,有机发光器件可在低电压下长时间产生高亮度荧光。