公开(公告)号：US20200335705A1

公开(公告)日：2020-10-22

申请号：US16850370

申请日：2020-04-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Inbum SONG ,  Seunghee YOON ,  Sunghoon KIM ,  Seong-Min PARK ,  Tae Wan LEE ,  Jae Ho JEONG ,  Jiwoong YOO

IPC: H01L51/00

Abstract: Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.