公开(公告)号：US20220173339A1

公开(公告)日：2022-06-02

申请号：US17445472

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： YOONKYOO LEE ,  JIN-WON SUN

IPC: H01L51/00

Abstract: A light emitting device includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first host represented by Formula 1, a second host different from the first host, and a dopant containing an organometallic complex, and thereby an improved service life characteristic may be exhibited:

公开(公告)号：US20210359227A1

公开(公告)日：2021-11-18

申请号：US17246691

申请日：2021-05-02

Applicant: Samsung Display Co., Ltd.

Inventor： HYUN SHIN ,  SUNWOO KANG ,  JAEJIN LYU ,  YOONKYOO LEE ,  JIN-WON SUN ,  JUNGSUB LEE

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  C07D405/10 ,  C07D209/88 ,  C07F7/08

Abstract: An organic electroluminescence device includes: a first electrode; a second electrode facing the first electrode; and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound represented by Formula 3, wherein Formulae 1-3 are defined herein.

公开(公告)号：US20230232703A1

公开(公告)日：2023-07-20

申请号：US17976605

申请日：2022-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： YOONKYOO LEE ,  JIN-WON SUN ,  CHANGWOONG CHU

IPC: H01L51/00 ,  C09K11/06 ,  C07F15/00

CPC classification number: H01L51/0087 ,  C09K11/06 ,  H01L51/0072 ,  H01L51/0067 ,  C07F15/0086 ,  H01L51/0073 ,  H01L51/0094 ,  H01L51/5012

Abstract: A light emitting element that includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes an organometallic compound represented by Formula 1. The light emitting element exhibits long lifespan properties.

公开(公告)号：US20240172470A1

公开(公告)日：2024-05-23

申请号：US18455262

申请日：2023-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： JAEWEON HUR ,  HEEJOO KO ,  JIN-WON SUN ,  YOOJIN SOHN ,  EUNHYE SONG ,  PYUNGEUN JEON ,  CHANGWOONG CHU

IPC: H10K50/16 ,  H10K85/60

CPC classification number: H10K50/166 ,  H10K85/615 ,  H10K85/654 ,  H10K85/6572

Abstract: A light emitting device includes a first electrode, a hole transport region located at (e.g., on), the first electrode, a light emitting layer located at (e.g., on), the hole transport region, an electron transport region located at (e.g., on), the light emitting layer, and a second electrode located at (e.g., on), the electron transport region. The electron transport region includes a mixed layer in which a first compound represented by Formula 1 and a second compound different from the first compound and represented by Formula 2 are mixed. The mixed layer is configured so that the light emitting efficiency and device lifespan of the light emitting device may be enhanced or improved.