公开(公告)号：US20220140255A1

公开(公告)日：2022-05-05

申请号：US17444342

申请日：2021-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNAH UM ,  HYEONGMIN KIM ,  HEECHOON AHN ,  YESEUL LEE ,  HYOYOUNG LEE ,  YIRANG IM ,  SEOWON CHO

IPC: H01L51/00

Abstract: An electroluminescence device of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer selected from among the plurality of organic layers includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:

公开(公告)号：US20240164210A1

公开(公告)日：2024-05-16

申请号：US18475059

申请日：2023-09-26

Applicant: Samsung Display Co., LTD.

Inventor： HYOYOUNG LEE ,  SEOWON CHO ,  YOUNGJIN PARK ,  Eunhye AN ,  HEECHOON AHN ,  HYUNAH UM ,  Yeon Sook CHUNG ,  Eunjeong CHOI

IPC: H10K85/60 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12

Abstract: Provided is a light emitting element including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element according to an embodiment includes a nitrogen-containing compound represented by Formula 1 in the emission layer, and may thus exhibit improved luminous efficiency, long lifespan, and low driving voltage.

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：US20250089554A1

公开(公告)日：2025-03-13

申请号：US18814245

申请日：2024-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGJIN PARK ,  HEECHOON AHN ,  HYUNAH UM ,  YESEUL LEE ,  SEOWON CHO ,  MORAN HA

IPC: H10K85/40 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/60

Abstract: A light-emitting element is provided, the light-emitting element including a first electrode, a second electrode disposed on the first electrode, and a functional layer disposed between the first electrode and the second electrode, the functional layer contains a first compound represented by Formula 1. The light-emitting element may exhibit characteristics of excellent or suitable color reproducibility and long lifespan.

公开(公告)号：US20230129854A1

公开(公告)日：2023-04-27

申请号：US17744164

申请日：2022-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： HEECHOON AHN ,  Juhui YUN ,  HYUNAH UM ,  YESEUL LEE ,  SEOWON CHO ,  JIYONG CHOI

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07F7/30

Abstract: A light-emitting that 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 is provided. At least one functional layer may include an aromatic compound represented by Formula 1. The light-emitting element results in a reduced driving voltage and an improved luminous efficiency.

公开(公告)号：US20230329100A1

公开(公告)日：2023-10-12

申请号：US18167038

申请日：2023-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHYUN HAN ,  YOUNGJIN PARK ,  HANKYU PAK ,  HEECHOON AHN ,  HYUNAH UM ,  EUNJAE JEONG ,  SEOWON CHO ,  SOHEE JO

IPC: H10K85/60 ,  C07D263/57 ,  C09K11/06 ,  C07D277/66 ,  C07D471/04 ,  C07D413/14 ,  C07D417/14

CPC classification number: H10K85/657 ,  C07D263/57 ,  C09K11/06 ,  H10K85/636 ,  C07D277/66 ,  C07D471/04 ,  C07D413/14 ,  C07D417/14 ,  H10K85/6572 ,  H10K50/11

Abstract: A light emitting element that includes a first electrode, a second electrode, a functional layer between the first electrode and the second electrode, and a capping layer on the second electrode and including an amine compound represented by Formula 1 is provided.




The light emitting element may exhibit high efficiency and high luminance characteristics.

公开(公告)号：US20230165137A1

公开(公告)日：2023-05-25

申请号：US17811269

申请日：2022-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  Chaeyeong KIM ,  HANKYU PAK ,  BYEONGWOOK YOO ,  SEOWON CHO ,  SOHEE JO

IPC: H01L51/00 ,  C07D221/18 ,  C09K11/06 ,  C07D409/12 ,  C07D401/12

CPC classification number: H01L51/0061 ,  C07D221/18 ,  C09K11/06 ,  H01L51/006 ,  C07D409/12 ,  C07D401/12 ,  H01L51/5056

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. The at least one functional layer may include an amine compound represented by Formula 1 below.

公开(公告)号：US20240357922A1

公开(公告)日：2024-10-24

申请号：US18409664

申请日：2024-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： JIYONG CHOI ,  YOUNGJIN PARK ,  HEECHOON AHN ,  JUHUI YUN ,  YESEUL LEE ,  SEOWON CHO ,  MORAN HA

IPC: H10K85/40 ,  C07B59/00 ,  C09K11/06 ,  H10K50/15 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K85/40 ,  C07B59/004 ,  C09K11/06 ,  H10K50/15 ,  H10K85/346 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  C07B2200/05 ,  H10K2101/20

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. The at least one functional layer includes a first 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：US20240016050A1

公开(公告)日：2024-01-11

申请号：US18320859

申请日：2023-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： SEOWON CHO ,  HYEONGMIN KIM ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06

CPC classification number: H10K85/40 ,  C07F7/0812 ,  C09K11/06 ,  H10K50/121

Abstract: A light emitting element of one or more embodiments may include a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode and including a first compound represented by Formula 1. Accordingly, the light emitting element of one or more embodiments may show long-life characteristics: