公开(公告)号：US20230189633A1

公开(公告)日：2023-06-15

申请号：US17901519

申请日：2022-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： SEULONG KIM ,  HAJIN SONG ,  JIHWAN YOON ,  JINA HUR ,  JAEHOON HWANG

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06

CPC classification number: H01L51/0094 ,  C07F7/0814 ,  C09K11/06 ,  C07F7/081 ,  H01L51/5064

Abstract: A light emitting element that includes a first electrode, a first hole transport region on the first electrode, a first emission layer on the first hole transport region, a first electron transport region on the first emission layer, and a second electrode on the first electron transport region is provided. The first hole transport region includes a polycyclic compound represented by Formula 1 and a compound represented by Formula H-1: