申请人:UNIVERSAL DISPLAY CORPORATION
公开号:US20190051845A1
公开(公告)日:2019-02-14
A compound having a structure of the formula Ir(L
A
)(L
B
), in which L
A
is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and L
B
is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of L
A
plus L
B
is 6, and L
A
includes at least one structure of Formula I:
is disclosed as a useful phosphorescent emitter compound.
一种具有Ir(LA)(LB)分子结构的化合物被披露为一种有用的磷光发射剂,其中LA是双齿、三齿、四齿、五齿或六齿配体,LB是单齿、双齿、三齿或四齿配体,或者不存在,LA和LB的总配位数为6,LA至少包括一个I式结构。