公开(公告)号：US20200161562A1

公开(公告)日：2020-05-21

申请号：US16567389

申请日：2019-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Keigo HOSHI ,  Yuuki MIYAZAKI

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06

Abstract: An organic electroluminescence device includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a compound including a first phenyl group that is substituted with at least one cyano group and a second phenyl group that is substituted with five substituted or unsubstituted carbazole groups, the second phenyl group being directly bonded to the first phenyl group.

公开(公告)号：US20240268229A1

公开(公告)日：2024-08-08

申请号：US18490682

申请日：2023-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Ryuhei FURUE ,  Yoshiro SUGITA

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

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

Abstract: A light emitting element may include a first electrode, a second electrode on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one electron-withdrawn group at the meta position with respect to the boron atom in the fused ring core of the fused polycyclic compound.

公开(公告)号：US20230113459A1

公开(公告)日：2023-04-13

申请号：US17720576

申请日：2022-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI

IPC: C07F5/02 ,  H01L51/00 ,  H01L51/52

Abstract: A light emitting diode of an embodiment includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a polycyclic compound represented by Formula A or Formula B, thereby showing high emission efficiency properties and improved life characteristics.

公开(公告)号：US20220223799A1

公开(公告)日：2022-07-14

申请号：US17391636

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Tetsuji HAYANO ,  Yuuki MIYAZAKI

IPC: H01L51/00

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：US20240284796A1

公开(公告)日：2024-08-22

申请号：US18503982

申请日：2023-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE

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

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

Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes a fused polycyclic compound having sterically bulky substituents that may control aggregation and increase intermolecular distances thereby reducing energy transfer and increasing the integrity of the constituent layers of the light emitting element (e.g., a blue light emitting element).

公开(公告)号：US20240284795A1

公开(公告)日：2024-08-22

申请号：US18483645

申请日：2023-10-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K85/6572 ,  H10K2101/20

Abstract: Embodiments provide a fused polycyclic compound and a light emitting element that includes the fused polycyclic compound. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.

公开(公告)号：US20240284691A1

公开(公告)日：2024-08-22

申请号：US18506095

申请日：2023-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Hirokazu KUWABARA ,  Yuji SUZAKI

IPC: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  C09K2211/1014

Abstract: A light emitting element may include a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one carbazole substituent directly linked to the fused ring core and including at least one cyano group.

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：US20240260292A1

公开(公告)日：2024-08-01

申请号：US18529142

申请日：2023-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE

IPC: H10K50/11 ,  C07F5/02 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07F5/02 ,  C09K11/06 ,  H10K85/346 ,  H10K85/658 ,  C07B2200/05

Abstract: Embodiments provide a light emitting element that 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 compound represented by Formula 1, thereby exhibiting long service life characteristics. Formula 1 is explained in the specification.

公开(公告)号：US20210273175A1

公开(公告)日：2021-09-02

申请号：US17091619

申请日：2020-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hankyu PAK ,  Mun-ki SIM ,  Seokhwan HWANG ,  Junha PARK ,  Jang Yeol BAEK ,  Keigo HOSHI ,  Yuuki MIYAZAKI ,  Hyoyoung LEE ,  Minjung JUNG ,  Sun Young PAK ,  Chanseok OH

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

Abstract: An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may have high emission efficiency.