公开(公告)号：US20240215434A1

公开(公告)日：2024-06-27

申请号：US18513287

申请日：2023-11-17

Applicant: LG Display Co., Ltd.

Inventor： Sungjin PARK ,  lnbum SONG ,  Dohan KIM ,  Jaemin MOON ,  Seokwoo KANG ,  Taeryang HONG

IPC: H10K85/30 ,  C09K11/06 ,  H10K85/60

CPC classification number: H10K85/342 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12

Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a Chemical Formula 1, wherein the host material includes a compound represented by a Chemical Formula 2 and a compound represented by a Chemical Formula 3. The organic light-emitting diode has excellent light-emitting efficiency and lifespan.