申请人:IDEMITSU KOSAN CO., LTD.
公开号:US10243145B2
公开(公告)日:2019-03-26
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。