公开(公告)号：US20240196639A1

公开(公告)日：2024-06-13

申请号：US18229115

申请日：2023-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： MINJI KIM ,  HANKYU PAK ,  HYUNBIN PARK ,  BYEONGWOOK YOO ,  Jeong Min LEE ,  SOHEE JO

IPC: H10K50/15 ,  H10K85/60

CPC classification number: H10K50/15 ,  H10K85/633

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 and including an amine compound represented by Formula 1, where at least one selected from R12, R23, and R34 is a substituted or unsubstituted methyl group.

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：US20250040427A1

公开(公告)日：2025-01-30

申请号：US18626185

申请日：2024-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： MINJI KIM ,  BEOMJOON KIM ,  Chaeyeong KIM ,  BYEONGWOOK YOO ,  Jeong Min LEE ,  EUNJAE JEONG ,  SOHEE JO ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/61 ,  C07D307/91 ,  C09K11/06 ,  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 containing an amine compound represented by Formula 1.

公开(公告)号：US20220407028A1

公开(公告)日：2022-12-22

申请号：US17874578

申请日：2022-07-27

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: H01L51/50 ,  C09K11/06 ,  C07C211/54 ,  C07D307/91 ,  C07C211/61 ,  C07D209/88 ,  C07D333/76

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.

公开(公告)号：US20220059771A1

公开(公告)日：2022-02-24

申请号：US17232773

申请日：2021-04-16

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06 ,  C07D409/12

Abstract: An organic electroluminescence device includes a first electrode and a second electrode which face each other, and a plurality of organic layers between the first electrode and the second electrode, where at least one of the organic layers includes an amine compound represented by Formula 1, and the organic electroluminescence device may exhibit improved luminous efficiency:

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：US20240107877A1

公开(公告)日：2024-03-28

申请号：US18322760

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jeong Min LEE ,  MINJI KIM ,  HANKYU PAK ,  BYEONGWOOK YOO ,  SOHEE JO

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

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  H10K50/156

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers disposed between the first electrode and the second electrode. At least one of the functional layers includes an amine compound represented by Formula 1, which is explained in the specification:

公开(公告)号：US20230129980A1

公开(公告)日：2023-04-27

申请号：US17835229

申请日：2022-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： HYOMIN KO ,  ILSOO OH ,  BORA LEE ,  ILLHUN CHO ,  MINJI KIM

IPC: C07C211/54 ,  C07D307/91 ,  C07D333/76 ,  C07D209/82 ,  C07D405/12 ,  C07D409/12 ,  C07F5/02 ,  H01L51/00

Abstract: A light emitting element 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 first hole transport layer disposed adjacent to the first electrode and including a first amine compound having a first refractive index, a second hole transport layer disposed between the first hole transport layer and the emission layer, and including a second amine compound having a second refractive index greater than the first refractive index, and a third hole transport layer disposed between the second hole transport layer and the emission layer, and including a third amine compound having a third refractive index less than the second refractive index, thereby having high luminous efficiency.