公开(公告)号：US20240237530A1

公开(公告)日：2024-07-11

申请号：US18369674

申请日：2023-09-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Beom KIM ,  Young-Jun YU ,  Seon-Keun YOO ,  Dae-Wi YOON ,  Su-Na CHOI ,  Seong-Su JEON ,  Yong-Hwan KIM ,  Jin-Hwan PARK ,  Jin-Yun KIM

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/02 ,  C09K11/06 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K50/12

Abstract: An organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting layer and a second blue emitting layer and positioned between the first and second electrode, the second blue emitting layer positioned between the first blue emitting layer and the second electrode and contacting the first blue emitting layer, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and the second dopant is a second compound represented by Formula 7.