CARBAZOLE-BASED PHOSPHINE OXIDE COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME
申请人:Lee Jun-Yeob
公开号:US20120068168A1
公开(公告)日:2012-03-22
The present invention relates to a carbazole-based phosphine oxide compound, and an organic electroluminescent device including the same. According to the present invention, provided are a compound for an organic electroluminescent device which can improve the thermal stability and efficiency characteristics which are unstable and low, respectively, corresponding to problems of known compounds for organic electroluminescent devices, and particularly, can implement excellent efficiency characteristics in a pure blue phosphorescent device, by using the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device, and the organic electroluminescent device. According to one aspect of the present invention, the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device is provided, and the organic electroluminescent device containing the same which can implement thermal stability and high efficiency characteristics is also provided.
本发明涉及一种基于咔唑的膦氧化物化合物和包括该化合物的有机电致发光器件。根据本发明,提供了一种用于有机电致发光器件的化合物,可以改善已知有机电致发光器件化合物存在的热稳定性和效率特性不稳定和低下的问题,特别是可以通过使用该有机电致发光器件化合物中的基于咔唑的膦氧化物化合物,在纯蓝色磷光器件中实现优异的效率特性。根据本发明的一个方面,提供了用于有机电致发光器件的基于咔唑的膦氧化物化合物,并提供了包括该化合物的有机电致发光器件,该器件可以实现热稳定性和高效率特性。