公开(公告)号：US20210184123A1

公开(公告)日：2021-06-17

申请号：US17002617

申请日：2020-08-25

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji HAYANO

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

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, an oppositely disposed second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 and has an improved emission efficiency and long device life span:

公开(公告)号：US20230225183A1

公开(公告)日：2023-07-13

申请号：US17968643

申请日：2022-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji HAYANO

IPC: H01L51/00 ,  C07F5/02 ,  H01L51/50

CPC classification number: H01L51/008 ,  C07F5/027 ,  H01L51/5012 ,  C07B2200/05

Abstract: A light emitting element includes a polycyclic compound having a B-N-B structure and including a specific substituent in an emission layer, thereby showing high efficiency and long-life characteristics.

公开(公告)号：US20220223790A1

公开(公告)日：2022-07-14

申请号：US17459393

申请日：2021-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE ,  Tetsuji HAYANO ,  Yuuki MIYAZAKI

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

Abstract: Provided is 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. The emission layer includes a polycyclic compound represented by Formula 1, and thus the organic electroluminescence device exhibits high luminous efficiency.

公开(公告)号：US20240268230A1

公开(公告)日：2024-08-08

申请号：US18496801

申请日：2023-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Yuma AOKI ,  Yuji SUZAKI ,  Tetsuji HAYANO

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/11

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode, and including a fused polycyclic compound having at least one sterically bulky substituent.

公开(公告)号：US20220411443A1

公开(公告)日：2022-12-29

申请号：US17664571

申请日：2022-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tetsuji HAYANO

IPC: C07F5/02 ,  H01L51/00

Abstract: A light emitting diode of one or more embodiments includes a first electrode, a second electrode opposite the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, the at least one functional layer including a polycyclic compound represented by Formula 1 below, wherein the first electrode and the second electrode each independently includes at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, Zn, compounds thereof, and mixtures thereof.

公开(公告)号：US20220399500A1

公开(公告)日：2022-12-15

申请号：US17584052

申请日：2022-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji HAYANO

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

Abstract: A light emitting diode of one or more embodiments includes a first electrode, a second electrode opposite the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, the at least one functional layer including a polycyclic compound represented by Formula 1 below, wherein the first electrode and the second electrode each independently includes at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, Zn, compounds thereof, and mixtures thereof.

公开(公告)号：US20250151616A1

公开(公告)日：2025-05-08

申请号：US19015142

申请日：2025-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Tetsuji HAYANO ,  Yuuki MIYAZAKI

IPC: H10K85/60 ,  H10K50/11 ,  H10K101/40

Abstract: Provided is a light emitting device including 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 includes at least one polycyclic compound represented by Formula 1 below, and may thus exhibit long life characteristics.

公开(公告)号：US20210202861A1

公开(公告)日：2021-07-01

申请号：US17027113

申请日：2020-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji HAYANO

IPC: H01L51/00 ,  C07F5/02 ,  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. The emission layer includes a polycyclic compound represented by Formula 1 to thereby achieve high luminous efficiency:

公开(公告)号：US20210143332A1

公开(公告)日：2021-05-13

申请号：US16998959

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji HAYANO

IPC: H01L51/00 ,  C07F5/04 ,  C09K11/06

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode and including a polycyclic compound, wherein the polycyclic compound includes a boron atom, a first aromatic ring and a second aromatic ring, which are each directly connected with the boron atom, an oxygen atom or a sulfur atom, which is directly connected with the boron atom, a third aromatic ring, which is directly connected with the oxygen atom or the sulfur atom, a first linker connecting the first aromatic ring and the second aromatic ring, and a second linker connecting the second aromatic ring and the third aromatic ring, thereby showing long-life characteristics and excellent color reproducibility.

公开(公告)号：US20240268231A1

公开(公告)日：2024-08-08

申请号：US18512455

申请日：2023-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Yuma AOKI ,  Tetsuji HAYANO ,  Yuji SUZAKI

IPC: H10K85/60 ,  C09K11/06 ,  H10K50/11 ,  H10K85/40

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K50/11 ,  H10K85/40 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C07B2200/05 ,  H10K2101/20

Abstract: A light emitting element includes a first electrode, a second electrode facing the first electrode, and at least one functional layer between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1, and thus the light emitting element may exhibit long lifespan.