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：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：US20230129565A1

公开(公告)日：2023-04-27

申请号：US18060205

申请日：2022-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： YOONKYOO LEE ,  HEECHOON AHN

IPC: C07F15/00

Abstract: An organic electroluminescence device of an embodiment 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 first host compound represented by Formula 1, a second host compound represented by Formula 2, and a dopant compound comprising an organometallic complex including Pt, Au, or Cu as a central metal element, and may show improved life characteristics.

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：US20230257401A1

公开(公告)日：2023-08-17

申请号：US17994703

申请日：2022-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： MINJU HAN ,  YOONKYOO LEE ,  HAN GEUL LEE ,  CHANGWOONG CHU

IPC: C07F7/08 ,  C07F15/00

CPC classification number: C07F7/0812 ,  C07F15/0086 ,  H01L51/0094 ,  H01L51/0087

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1-1 or Formula 1-2, which are each explained in the specification.

公开(公告)号：US20220109121A1

公开(公告)日：2022-04-07

申请号：US17445804

申请日：2021-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： YOONKYOO LEE

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07F15/00

Abstract: An organic electroluminescence device of an embodiment 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 first host compound represented by Formula 1, a second host compound represented by Formula 2, and a dopant compound comprising an organometallic complex including Pt, Au, or Cu as a central metal element, and may show improved life characteristics.