公开(公告)号：US20220246863A1

公开(公告)日：2022-08-04

申请号：US17612718

申请日：2020-08-14

Applicant: LT MATERIALS CO., LTD.

Inventor： Nam-Jin LEE ,  Yu-Jun JEONG ,  Won-Jang JEONG ,  Jun-Tae MO ,  Dong-Jun KIM

IPC: H01L51/00 ,  C07D405/10 ,  C09K11/06 ,  C07D471/04 ,  C07D405/14 ,  C07D409/14 ,  C07F9/6558 ,  C07F9/6561

Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the heterocyclic compound in an organic material layer.