公开(公告)号：US20210066620A1

公开(公告)日：2021-03-04

申请号：US16897744

申请日：2020-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Yeseul LEE ,  Soo-Byung KO ,  Hyeongmin KIM ,  HeeChoon AHN ,  Hyunah UM ,  Yirang IM

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device comprises a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer comprises a polycyclic compound represented by Formula 1 and achieves high efficiency and a low driving voltage. In Formula 1, at least one of Ar1 to Ar4 is represented by Formula 2.

公开(公告)号：US20210020854A1

公开(公告)日：2021-01-21

申请号：US16922862

申请日：2020-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongmin KIM ,  HeeChoon AHN ,  Hyunah UM ,  Yeseul LEE ,  Yirang IM ,  Soo-Byung KO ,  Jongwoo KIM

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescence device in which a polycyclic compound represented by Formula 1 below is included in at least one functional layer of a plurality of functional layers, and to the polycyclic compound represented by Formula 1 below:

公开(公告)号：US20200328352A1

公开(公告)日：2020-10-15

申请号：US16780744

申请日：2020-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： HeeChoon AHN ,  Soo-Byung KO ,  Hyeongmin KIM ,  Hyunah UM ,  Yeseul LEE ,  Yirang IM

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: An organic electroluminescence device having high luminous efficiency includes: a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to achieve high luminous efficiency.