公开(公告)号：US11489124B2

公开(公告)日：2022-11-01

申请号：US16882900

申请日：2020-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoyoung Lee ,  Soo-Byung Ko ,  Junha Park ,  Han Kyu Pak ,  Jang Yeol Baek ,  Mun-Ki Sim ,  Chanseok Oh

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H01L51/56 ,  H01L51/50

Abstract: An organic electroluminescence device of the present embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency:

公开(公告)号：US11450821B2

公开(公告)日：2022-09-20

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: H01L29/08 ,  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：US12250874B2

公开(公告)日：2025-03-11

申请号：US17447249

申请日：2021-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Eunsoo Ahn ,  Soo-Byung Ko ,  Haejin Kim ,  Sujin Shin ,  Hyunjung Lee ,  Junghoon Han

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/11 ,  H10K85/40 ,  H10K101/00 ,  H10K101/10

Abstract: An organic electroluminescence device is provided and 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, thereby exhibiting high luminous efficiency and long service life characteristics.

公开(公告)号：US11849630B2

公开(公告)日：2023-12-19

申请号：US17074493

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Eunyoung Lee ,  Soo-Byung Ko ,  Sungbum Kim ,  Jaesung Lee ,  Hyunjung Lee

IPC: H10K85/30 ,  C09K11/06 ,  C07F15/00 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes an organometallic compound represented by Formula 1, and may show high emission efficiency properties.

公开(公告)号：US11616204B2

公开(公告)日：2023-03-28

申请号：US16987590

申请日：2020-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Haejin Kim ,  Soo-Byung Ko ,  Sungbum Kim ,  Eunsoo Ahn ,  Jaesung Lee ,  Hyunjung Lee

IPC: H01L51/00

Abstract: An organic electroluminescence device includes a first electrode; an emission layer on the first electrode; and a second electrode on the emission layer, wherein the emission layer comprises an organometallic compound represented by Formula 1, and the organic electroluminescence device can achieve long life and deep blue light emission:

公开(公告)号：US11527730B2

公开(公告)日：2022-12-13

申请号：US16813381

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sujin Shin ,  Soo-Byung Ko ,  Junghoon Han ,  Sungbum Kim ,  Haejin Kim ,  Eunsoo Ahn ,  Eunyoung Lee ,  Jaesung Lee ,  Hyunjung Lee ,  Mina Jeon

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device may include a first electrode, a second electrode opposite to the first electrode, and organic layers disposed between the first electrode and the second electrode. At least one of organic layers may include an organometallic complex including a first metal complex having a metal atom as a center atom of the first metal complex, a second metal complex having the metal atom as a center atom of the second metal complex, and an aromatic ring group connecting the first metal complex to the second metal complex.

公开(公告)号：US12256633B2

公开(公告)日：2025-03-18

申请号：US16866785

申请日：2020-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Yeol Baek ,  Soo-Byung Ko ,  Junha Park ,  Hankyu Pak ,  Mun-Ki Sim ,  Chanseok Oh ,  Hyoyoung Lee

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

Abstract: An organic electroluminescence device of an embodiment includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one from among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.

公开(公告)号：US12035616B2

公开(公告)日：2024-07-09

申请号：US16890520

申请日：2020-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Haejin Kim ,  Soo-Byung Ko ,  Sungbum Kim ,  Sujin Shin ,  Eunsoo Ahn ,  Eunyoung Lee ,  Jaesung Lee ,  Hyunjung Lee ,  Mina Jeon ,  Junghoon Han

IPC: C09K11/06 ,  C07F15/00 ,  H10K85/30 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16

Abstract: Provided is an organic electroluminescence device. The organic electroluminescence device according to an embodiment includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes an organometallic complex including a metal atom which is a central atom, a plurality of ligand connected to the metal atom, and a nitrogen atom connecting two of the plurality of ligands. The nitrogen atom includes an aromatic ring group as a substituent. The aromatic ring group is not bonded to any of the plurality of ligands to form a ring, thereby allowing the organic electroluminescent device to exhibit a low drive voltage and improved life time.

公开(公告)号：US11758805B2

公开(公告)日：2023-09-12

申请号：US16907940

申请日：2020-06-22

Applicant: Samsung Display Co., Ltd.

Inventor： Haejin Kim ,  Soo-Byung Ko ,  Sungbum Kim ,  Sujin Shin ,  Eunsoo Ahn ,  Eunyoung Lee ,  Jaesung Lee ,  Hyunjung Lee ,  Mina Jeon ,  Junghoon Han

IPC: C07F15/00 ,  H01L51/00 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/06 ,  C07B2200/05 ,  C09K2211/107 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes an organometallic compound represented by Formula 1, and the emission layer may show high emission efficiency properties.