公开(公告)号：US20210359215A1

公开(公告)日：2021-11-18

申请号：US17075619

申请日：2020-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunah UM ,  Hyeongmin KIM ,  Heechoon AHN ,  Yeseul LEE ,  Yirang IM ,  Seowon CHO

IPC: H01L51/00 ,  C07D403/04 ,  C09K11/06 ,  C07D403/14 ,  C07D405/14

Abstract: A compound represented by Formula 1, when used in a light-emitting device according to an embodiment of the disclosure, may have higher efficiency characteristics than compounds in the related art, and in particular, may have excellent effects in terms of lifespan improvement, resulting in a significant improvement in the lifespan of the light-emitting device:

公开(公告)号：US20200168819A1

公开(公告)日：2020-05-28

申请号：US16529327

申请日：2019-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Heechoon AHN ,  Hyeongmin KIM ,  Hyunah UM ,  Yeseul LEE ,  Yirang IM ,  Soobyung KO ,  Youngkook KIM

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

Abstract: A heterocyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic light-emitting device includes at least one of the heterocyclic compound.