公开(公告)号：US20240237528A1

公开(公告)日：2024-07-11

申请号：US18472020

申请日：2023-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Ichiro IMADA ,  Taku IMAIZUMI ,  Ichinori TAKADA

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/18

CPC classification number: H10K85/6576 ,  H10K50/156 ,  H10K50/181 ,  H10K85/615 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6574

Abstract: Provided is a light emitting element including a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode. At least one functional layer may include an amine compound represented by Formula 1 below. A light emitting element including the amine compound of an embodiment may have reduced driving voltage and increased lifespan.

公开(公告)号：US20220173325A1

公开(公告)日：2022-06-02

申请号：US17381815

申请日：2021-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Taku IMAIZUMI ,  Takao SAKUMA

IPC: H01L51/00

Abstract: A light emitting diode 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. The at least one functional layer includes an amine compound represented by Formula 1, thereby showing high emission efficiency properties and improved life characteristics.

公开(公告)号：US20250098535A1

公开(公告)日：2025-03-20

申请号：US18960958

申请日：2024-11-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Taku IMAIZUMI

IPC: H10K85/60 ,  C07D493/04 ,  H10K50/15

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one layer among the plurality of organic layers includes an amine compound represented by Formula 1, and the device thereby shows high emission efficiency and improved life span characteristics:

公开(公告)号：US20210305509A1

公开(公告)日：2021-09-30

申请号：US17086130

申请日：2020-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO ,  Naoya SAKAMOTO ,  Taku IMAIZUMI ,  XiuLan JIN

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes an amine compound represented by Formula 1a, thereby showing excellent emission efficiency and/or improved life characteristics:

公开(公告)号：US20210234104A1

公开(公告)日：2021-07-29

申请号：US17011843

申请日：2020-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Taku IMAIZUMI

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one layer among the plurality of organic layers includes an amine compound represented by Formula 1, and the device thereby shows high emission efficiency and improved life span characteristics:

公开(公告)号：US20240130147A1

公开(公告)日：2024-04-18

申请号：US18339794

申请日：2023-06-22

Applicant: Samsung Display Co., LTD.

Inventor： Taku IMAIZUMI

IPC: H10K50/11 ,  C07D407/12 ,  C07D407/14 ,  C07D409/12 ,  C07D409/14 ,  C09K11/06 ,  H10K50/15 ,  H10K50/805 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07D407/12 ,  C07D407/14 ,  C07D409/12 ,  C07D409/14 ,  C09K11/06 ,  H10K50/15 ,  H10K50/805 ,  H10K85/6574 ,  H10K85/6576

Abstract: Provided are a light emitting element and an amine compound for the same, wherein 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 Formula 1 below, and thus the luminous efficiency and element 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：US20230139741A1

公开(公告)日：2023-05-04

申请号：US17833028

申请日：2022-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Taku IMAIZUMI

IPC: C07D209/82 ,  C07D405/12 ,  C07D409/12 ,  C07D405/14 ,  C07D405/04 ,  H01L51/00

Abstract: A light emitting element according to an embodiment 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 and including a polycyclic compound according to an embodiment, thereby showing high efficiency and long-life characteristics.

公开(公告)号：US20230075283A1

公开(公告)日：2023-03-09

申请号：US17444895

申请日：2021-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： Taku IMAIZUMI ,  Takuya UNO

IPC: H01L51/00

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 hole transport region includes at least one layer selected from a hole injection layer, a hole transport layer, a buffer layer, and an electron blocking layer; and the at least one layer includes an amine compound represented by Formula 1, thereby exhibiting high luminous efficiency and a long service life: