公开(公告)号：US11744142B2

公开(公告)日：2023-08-29

申请号：US16044620

申请日：2018-07-25

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Geza Szigethy ,  Joseph A. Macor ,  Charles Stanton ,  Galyna Dubinina ,  Douglas Williams

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H05B33/14 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  H05B33/14 ,  H10K85/40 ,  H10K85/6572 ,  C09K2211/1044 ,  C09K2211/1055 ,  C09K2211/1096 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10

Abstract: A compound having a structure of the formula Ir(LA)(LB), in which LA is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and LB is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of LA plus LB is 6, and LA includes at least one structure of Formula I:




is disclosed as a useful phosphorescent emitter compound.