公开(公告)号：US20230212135A1

公开(公告)日：2023-07-06

申请号：US18066185

申请日：2022-12-14

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: C07D307/91 ,  H10K85/60 ,  H10K50/15 ,  H10K50/11

CPC classification number: C07D307/91 ,  H01L51/0072 ,  H01L51/0061 ,  H01L51/0052 ,  H01L51/5056 ,  H01L51/5012

Abstract: A light emitting element that includes a first electrode, a second electrode on the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region which is between the first electrode and the emission layer is provided. The emission layer includes an amine compound represented by Formula 1:

公开(公告)号：US20240251664A1

公开(公告)日：2024-07-25

申请号：US18394637

申请日：2023-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: H10K85/60 ,  C07C211/54 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  C09K11/06 ,  H10K85/636 ,  H10K50/15

Abstract: A light emitting element includes 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 an amine compound including a aryl/heteroaryl group, an α-naphthyl group in which an aryl group is substituted at position 2 of the α-naphthyl group, and a β-naphthyl group, each of which is directly or indirectly connected with the nitrogen atom of the amine.

公开(公告)号：US20240215444A1

公开(公告)日：2024-06-27

申请号：US18501961

申请日：2023-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: H10K85/60 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06 ,  H10K85/6572 ,  H10K85/6576 ,  H10K50/15

Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The hole transport region includes a polycyclic compound represented by Formula 1. The polycyclic compound is configured so that the hole transport properties of the hole transport region and the power efficiency of the light emitting element may be enhanced or improved.

公开(公告)号：US20250098524A1

公开(公告)日：2025-03-20

申请号：US18814365

申请日：2024-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Naoya SAKAMOTO ,  Ichinori TAKADA ,  Masatsugu UENO ,  Takao SAKUMA ,  XiuLan JIN

IPC: H10K85/60 ,  C07C211/61 ,  C07D209/88 ,  C07D307/92 ,  C07D333/74 ,  C09K11/02 ,  H10K50/12 ,  H10K50/15

Abstract: A light emitting element including a first electrode, a second electrode arranged on the first electrode, a light emitting layer arranged between the first electrode and the second electrode is provided. A hole transport region is arranged between the first electrode and the light emitting layer, and includes an amine compound represented by Formula 1. The light emitting element may exhibit high-efficiency and long-lifespan properties.

公开(公告)号：US20220344589A1

公开(公告)日：2022-10-27

申请号：US17099550

申请日：2020-11-16

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: H01L51/00 ,  C07C211/54 ,  C09K11/06 ,  C07D333/76 ,  C07C211/58

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 hole transport region includes a diamine compound represented by Formula 1, thereby showing high emission efficiency:

公开(公告)号：US20200259104A1

公开(公告)日：2020-08-13

申请号：US16735545

申请日：2020-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: H01L51/00

Abstract: An organic electroluminescence device of one or more embodiments 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 hole transport region includes a monoamine compound represented by Formula 1, thereby showing high emission efficiency:

公开(公告)号：US20240244860A1

公开(公告)日：2024-07-18

申请号：US18532924

申请日：2023-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA ,  XiuLan JIN ,  Ichinori TAKADA

IPC: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K85/633 ,  C09K2211/1018

Abstract: A light emitting element and an amine compound for a light emitting element is provided. The light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer (e.g., hole transport layer) between the first electrode and the second electrode. The functional layer includes a tertiary amine compound represented by a specific chemical structure (i.e., Formula 1). The tertiary amine compound is configured so that the hole transport properties of the functional layer (e.g., hole transport layer) and the emission efficiency and lifetime of the light emitting element may be enhanced or improved.

公开(公告)号：US20230200101A1

公开(公告)日：2023-06-22

申请号：US18084382

申请日：2022-12-19

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO ,  Takao SAKUMA

IPC: H10K50/15 ,  C07D405/14 ,  H10K85/60 ,  C07D409/14

CPC classification number: H01L51/5056 ,  C07D405/14 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0061 ,  C07D409/14 ,  H01L51/0074 ,  C07B2200/05

Abstract: A light emitting element and an amine compound for the light emitting element are provided. The light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode. The functional layer includes the amine compound represented by a particular formula structure, and thus the luminous efficiency and service life of the light emitting element may be improved.

公开(公告)号：US20230193123A1

公开(公告)日：2023-06-22

申请号：US17933726

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Taku IMAIZUMI ,  Takao SAKUMA

IPC: C09K11/06

CPC classification number: C09K11/06 ,  C09K2211/1088 ,  C09K2211/1022 ,  C09K2211/1011

Abstract: An amine compound is represented by Formula 1. A light emitting element of an embodiment includes a first electrode, a second electrode and at least one functional layer between the first electrode and the second electrode and including the amine compound represented by Formula 1 below, thereby showing high efficiency and long-life characteristics.

公开(公告)号：US20230137318A1

公开(公告)日：2023-05-04

申请号：US18068228

申请日：2022-12-19

Applicant: Samsung Display Co., Ltd.

Inventor： Takao SAKUMA

IPC: H10K85/60 ,  H10K85/40

Abstract: An organic electroluminescence device of one or more embodiments 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 hole transport region includes a monoamine compound represented by Formula 1, thereby showing high emission efficiency: