公开(公告)号：US20220149292A1

公开(公告)日：2022-05-12

申请号：US17443429

申请日：2021-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： TAEIL KIM ,  JUNHA PARK ,  SUN YOUNG PAK ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG

IPC: H01L51/00

Abstract: A light emitting device includes a first electrode, a second electrode, and at least one emission layer between the first electrode and the second electrode and includes at least one polycyclic compound represented by Formula 1 below, thereby exhibiting long service life characteristics. In Formula 1, the substituents are the same as defined in the detailed description.