An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.
本发明提供了一种有机电致发光器件,该器件具有一层有机发光介质,该有机发光介质包括 (A) 特定芳胺化合物和 (B) 至少一种选自特定
蒽衍
生物、螺
芴衍
生物、具有缩合环的化合物和
金属络合物的化合物,并置于一对电极和由上述成分 (A) 和 (B) 组成的有机发光介质之间。这种有机电致发光器件颜色纯度高,耐热性能好,使用寿命长,能有效地发出偏蓝至偏黄的光。这种有机发光介质可以很好地用于有机电致发光器件。