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：US20240138263A1

公开(公告)日：2024-04-25

申请号：US18469108

申请日：2023-09-18

Applicant: Samsung Display Co., LTD.

Inventor： Makoto YAMAMOTO ,  Keigo HOSHI ,  Yuji SUZAKI ,  Hirokazu KUWABARA ,  Nobutaka AKASHI ,  Ryuhei FURUE ,  Toshiyuki MATSUURA ,  Yoshiro SUGITA ,  Yuma AOKI ,  Yuuki MIYAZAKI

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/20

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.

公开(公告)号：US20230219981A1

公开(公告)日：2023-07-13

申请号：US18074777

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI ,  Yuuki MIYAZAKI

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

CPC classification number: C07F5/027 ,  H01L51/008 ,  H01L51/0072 ,  H01L51/0054 ,  H01L51/0073 ,  H01L51/0061 ,  H01L51/5012 ,  C07B2200/05

Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the 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 polycyclic compound, which is represented by Formula 1. Formula 1 is defined in the specification. The light emitting element exhibits a long service life.

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：US20230143071A1

公开(公告)日：2023-05-11

申请号：US17815120

申请日：2022-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI ,  Yuuki MIYAZAKI

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

CPC classification number: C07F5/027 ,  H01L51/008 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/5024 ,  C07B2200/05

Abstract: Provided is a light emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a host and a dopant, and the host includes a compound represented by Formula E-2a or Formula E-2b, and the dopant includes a fused polycyclic compound represented by Formula 1.

公开(公告)号：US20240334829A1

公开(公告)日：2024-10-03

申请号：US18442929

申请日：2024-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K101/20

CPC classification number: H10K85/658 ,  C07F5/02 ,  C09K11/06 ,  H10K50/121 ,  H10K85/342 ,  C09K2211/1018 ,  H10K2101/20

Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and 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:

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：US20230217826A1

公开(公告)日：2023-07-06

申请号：US18149487

申请日：2023-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI ,  Yuuki MIYAZAKI

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/11 ,  H10K85/40 ,  H10K85/30 ,  C07F5/02

CPC classification number: H10K85/658 ,  H10K50/15 ,  H10K50/16 ,  H10K50/11 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/654 ,  H10K85/40 ,  H10K85/346 ,  C07F5/027 ,  C07B2200/05

Abstract: A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.