公开(公告)号：US20220093875A1

公开(公告)日：2022-03-24

申请号：US17392762

申请日：2021-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI

IPC: H01L51/00 ,  C09K11/06 ,  C07D471/06

Abstract: A fused polycyclic compound of an embodiment is represented by Formula 1, which is defined in the disclosure. An organic electroluminescence device is also provided. The organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and organic layers disposed between the first electrode and the second electrode. At least one of the organic layers includes the fused polycyclic compound represented by Formula 1, thereby providing improved luminous efficiency to the organic electroluminescence device. A-LB)n  [Formula 1]

公开(公告)号：US20250151613A1

公开(公告)日：2025-05-08

申请号：US18999972

申请日：2024-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI

IPC: H10K85/60 ,  H10K50/11 ,  H10K85/40 ,  H10K101/10

Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

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.

公开(公告)号：US20240114787A1

公开(公告)日：2024-04-04

申请号：US18347056

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Tetsuji HAYANO ,  Yuma AOKI

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/12

Abstract: Embodiments provide a light emitting element which 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 polycyclic compound represented by Formula 1, which is explained in the specification.

公开(公告)号：US20230120766A1

公开(公告)日：2023-04-20

申请号：US17834464

申请日：2022-06-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Hirokazu KUWABARA ,  Ryuhei FURUE ,  Tetuji HAYANO

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

Abstract: A light emitting device includes an emission layer disposed between electrodes. The emission layer includes a host and a delayed fluorescence dopant. The delayed fluorescence dopant includes a fused polycyclic compound represented by Formula 1:

公开(公告)号：US20220123214A1

公开(公告)日：2022-04-21

申请号：US17397406

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuji SUZAKI

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

Abstract: An organic electroluminescence 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 a polycyclic compound represented by Formula 1, thereby exhibiting high emission efficiency.

公开(公告)号：US20220246850A1

公开(公告)日：2022-08-04

申请号：US17532117

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei FURUE ,  Hirokazu KUWABARA ,  Yoshiro SUGITA ,  Yuji SUZAKI ,  Yuma AOKI

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

Abstract: An organic electroluminescence 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. The emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency.

公开(公告)号：US20210376250A1

公开(公告)日：2021-12-02

申请号：US17186737

申请日：2021-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI

IPC: H01L51/00

Abstract: An organic electroluminescence device of one or more embodiments 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 a polycyclic compound represented by Formula 1, thereby showing high emission efficiency: wherein at least one of n1 to n6 is 1.

公开(公告)号：US20200287138A1

公开(公告)日：2020-09-10

申请号：US16739698

申请日：2020-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Akinori YAMATANI ,  Nobutaka AKASHI

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

Abstract: An organic electroluminescence device having high luminous efficiency 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 polycyclic compound represented by Formula 1.

公开(公告)号：US20200243769A1

公开(公告)日：2020-07-30

申请号：US16738456

申请日：2020-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Akinori YAMATANI

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device 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 polycyclic compound containing one electron donor and one electron acceptor, and the electron donor includes an azaborine group and the electron acceptor includes any one of a cyano group, a carbonyl group, a boron group, a sulfonyl group, a sulfinyl group, a phosphine oxide group, a nitrogen-containing five-membered ring, or a nitrogen-containing six-membered monocyclic ring.