申请人:Universal Display Corporation
公开号:US20150194612A1
公开(公告)日:2015-07-09
A compound comprising a ligand L
A
of Formula I:
as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compounds, having a ligand La of Formula I: wherein R
1
represents mono, or di- substitution, or no substitution; wherein R
2
represents mono, di, tri, or tetra-substitution, or no substitution; wherein R is selected from hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein R
1
and R
2
are each independently selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof; wherein any adjacent substituents of R
2
are optionally joined to form a fused ring; wherein the ligand L
A
is coordinated to a metal M; and wherein the ligand L
A
is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
本文披露了一种包含式I中配体LA的化合物,以及含有式1化合物的设备和配方。在该化合物中,配体La为式I中的配体,其中R1代表单取代、双取代或未取代;R2代表单取代、双取代、三取代、四取代或未取代;R选自氢、氘、烷基、环烷基及其组合物;R1和R2各自独立地选自氢、氘、烷基、环烷基、芳基及其组合物;R2的任何相邻取代基可以选择连接形成融合环;配体LA与金属M配位;配体LA可以选择与其他配体连接以形成三牙、四牙、五牙或六牙配体。