公开(公告)号：US20220020930A1

公开(公告)日：2022-01-20

申请号：US17373336

申请日：2021-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： SOHEE JO ,  EUNJAE JEONG ,  DONGJUN KIM ,  MINJI KIM ,  HANKYU PAK ,  SANGHYUN HAN

IPC: H01L51/00

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light-emitting layer on the hole transport region, an electron transport region on the light-emitting layer, and a second electrode on the electron transport region. The hole transport region includes an amine compound represented by Formula 1.

公开(公告)号：US20250057039A1

公开(公告)日：2025-02-13

申请号：US18629854

申请日：2024-04-08

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  HANKYU PAK ,  HYUNBIN PARK ,  JINYOUNG YUN ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07F9/6521 ,  C09K11/06 ,  H10K50/16 ,  H10K85/30

Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and at least one functional layer is provided. The functional layer includes a compound having two phenylene groups connected to a cycloalkyl group, and also includes a phosphine oxide group and a triazine group. The compound may be between the first electrode and the second electrode.

公开(公告)号：US20240431134A1

公开(公告)日：2024-12-26

申请号：US18632518

申请日：2024-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  HANKYU PAK ,  HYUNBIN PARK ,  JINYOUNG YUN ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K50/16 ,  H10K85/60

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

公开(公告)号：US20240114774A1

公开(公告)日：2024-04-04

申请号：US18329033

申请日：2023-06-05

Applicant: Samsung Display Co., LTD.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  Chaeyeong KIM ,  EUNJAE JEONG ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07C211/61 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  H10K50/15

Abstract: The present disclosure relates to a light emitting element and an amine compound for the light emitting element, and the light emitting element of an embodiment 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, wherein an amine compound represented by Formula 1 is included in the at least one functional layer, thereby improving emission efficiency and element life of the light emitting element.

公开(公告)号：US20230157155A1

公开(公告)日：2023-05-18

申请号：US17809819

申请日：2022-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： MINJI KIM ,  HANKYU PAK ,  DONGJUN KIM ,  Chaeyeong KIM ,  HYUNBIN PARK ,  BYEONGWOOK YOO ,  Jeongmin LEE ,  EUNJAE JEONG ,  SEOWON CHO ,  SOHEE JO ,  JIYONG CHOI ,  SANGHYUN HAN

IPC: H01L51/00 ,  C07C211/61 ,  C07F7/08 ,  C07D209/88

CPC classification number: H01L51/006 ,  C07C211/61 ,  H01L51/0094 ,  C07F7/081 ,  H01L51/0061 ,  C07D209/88 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5064

Abstract: A light emitting device 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 represented by Formula 1.

公开(公告)号：US20220255003A1

公开(公告)日：2022-08-11

申请号：US17588041

申请日：2022-01-28

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  HANKYU PAK ,  EUNJAE JEONG ,  SOHEE JO ,  ILSOO OH ,  ILLHUN CHO

IPC: H01L51/00

Abstract: A light-emitting element includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode and including an amine compound represented by Formula 1. The light-emitting element may exhibit high emission efficiency and improved service life characteristics:

公开(公告)号：US20220115594A1

公开(公告)日：2022-04-14

申请号：US17343650

申请日：2021-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： HANKYU PAK ,  EUNJAE JEONG ,  SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  SOHEE JO

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06

Abstract: Provided is an organic electroluminescence device according to an embodiment of the present disclosure including a first electrode, a second electrode facing the first electrode, an organic layer between the first electrode and the second electrode, and the organic layer includes an amine compound represented by Formula 1, and thus may exhibit high luminous efficiency.

公开(公告)号：US20250017034A1

公开(公告)日：2025-01-09

申请号：US18662976

申请日：2024-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： CHAEYEONG KIM ,  MINJI KIM ,  BEOMJOON KIM ,  BYEONGWOOK YOO ,  JEONG MIN LEE ,  EUNJAE JEONG ,  SOHEE JO ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K50/12 ,  H10K50/155 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

Abstract: A light-emitting element may include 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 containing an amine compound represented by Formula 1.

公开(公告)号：US20240049593A1

公开(公告)日：2024-02-08

申请号：US18314486

申请日：2023-05-09

Applicant: Samsung Display Co., LTD.

Inventor： MINJI KIM ,  HANKYU PAK ,  DONGJUN KIM ,  Chaeyeong KIM ,  HYUNBIN PARK ,  BYEONGWOOK YOO ,  Jeongmin LEE ,  EUNJAE JEONG ,  SEOWON CHO ,  SOHEE JO ,  JIYONG CHOI ,  SANGHYUN HAN

IPC: H10K85/60 ,  H10K85/30 ,  H10K50/15 ,  H10K50/13 ,  H10K50/16 ,  H10K85/40

CPC classification number: H10K85/633 ,  H10K85/346 ,  H10K85/6572 ,  H10K50/156 ,  H10K50/13 ,  H10K50/16 ,  H10K85/40 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/615

Abstract: A light emitting device 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 represented by Formula 1.

公开(公告)号：US20230363261A1

公开(公告)日：2023-11-09

申请号：US18347995

申请日：2023-07-06

Applicant: Samsung Display Co., Ltd.

Inventor： BORA LEE ,  HYOMIN KO ,  ILLHUN CHO ,  EUNJAE JEONG ,  MINJI KIM ,  SOHEE JO ,  DONGJUN KIM ,  HANKYU PAK ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/15 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/156 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858 ,  H10K85/636 ,  C07C2603/74 ,  C07C2603/18 ,  C07C2601/14 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2102/351

Abstract: A light emitting diode 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 hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.