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：US20230269998A1

公开(公告)日：2023-08-24

申请号：US18148324

申请日：2022-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： EUNYOUNG LEE ,  ILJOON KANG ,  SOO-BYUNG KO ,  SUNGBUM KIM ,  SUJIN SHIN ,  MINA JEON

IPC: H10K85/30 ,  H10K85/40 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/341 ,  H10K85/40 ,  C07F15/006 ,  C09K11/06 ,  H10K50/12

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 has a reduced driving voltage, emits light having an increased color purity, and exhibits a high efficiency and a long lifespan.

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：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: