公开(公告)号：US20230117263A1

公开(公告)日：2023-04-20

申请号：US17837330

申请日：2022-06-10

Applicant: Samsung Display Co., Ltd.

Inventor： EUNSOO AHN ,  SOO-BYUNG KO ,  SUNGBUM KIM ,  EUNYOUNG LEE ,  JAESUNG LEE ,  JINHEE JU

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

Abstract: A light emitting device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer includes an organometallic compound represented by Formula 1, thereby showing long life and high efficiency.

公开(公告)号：US20220352479A1

公开(公告)日：2022-11-03

申请号：US17579491

申请日：2022-01-19

Applicant: Samsung Display Co., Ltd

Inventor： HYUNJUNG LEE ,  SUNGBUM KIM ,  EUNSOO AHN ,  EUNYOUNG LEE ,  JAESUNG LEE ,  MINA JEON

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

Abstract: An organic electroluminescence device includes: a first electrode; a hole transport region disposed on the first electrode; an emission layer disposed on the hole transport region; an electron transport region disposed on the emission layer; and a second electrode disposed on the electron transport region, wherein the emission layer includes an organometallic compound of Formula 1: wherein, in Formula 1, the variables are described herein.

公开(公告)号：US20240049573A1

公开(公告)日：2024-02-08

申请号：US18141034

申请日：2023-04-28

Applicant: Samsung Display Co., LTD.

Inventor： JONGHYUN PARK ,  SOOK-HWAN BAN ,  JUNGHYUK CHO ,  HYO-JUN KIM ,  JAE-BANG YU ,  DEOKCHAN YOON ,  JAESUNG LEE ,  DONGUK CHOI

IPC: H10K59/80

CPC classification number: H10K59/8731 ,  H10K59/879 ,  H10K59/1201

Abstract: A display device includes: a light emitting element; a first inorganic encapsulation layer disposed on the light emitting element to cover the light emitting element, and including a first encapsulation layer, a plasma treatment layer disposed on the first encapsulation layer, and a second encapsulation layer disposed on the plasma treatment layer; an organic encapsulation layer disposed on the first inorganic encapsulation layer; and a second inorganic encapsulation layer disposed on the organic encapsulation layer.

公开(公告)号：US20230189630A1

公开(公告)日：2023-06-15

申请号：US17949007

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNJUNG LEE ,  SOO-BYUNG KO ,  SUNGBUM KIM ,  SEIHWAN AHN ,  EUNSOO AHN ,  EUNYOUNG LEE ,  JAESUNG LEE

IPC: H01L51/00 ,  C07F15/00 ,  H01L51/50

CPC classification number: H01L51/0087 ,  C07F15/006 ,  H01L51/5024 ,  H01L51/5036 ,  C07B2200/05

Abstract: A light emitting element that includes a first electrode, a second, and an emission layer between the first electrode and the second electrode and including an organometallic compound represented by Formula 1 is provided. The light emitting element has a high emission efficiency, high color purity properties and long-life characteristics.

公开(公告)号：US20220320447A1

公开(公告)日：2022-10-06

申请号：US17541130

申请日：2021-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： JUNGHOON HAN ,  SOO-BYUNG KO ,  SUNGBUM KIM ,  SUJIN SHIN ,  EUNSOO AHN ,  JAESUNG LEE

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

Abstract: An organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency: