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：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：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：US20230129321A1

公开(公告)日：2023-04-27

申请号：US17748389

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNAH UM ,  MINJE KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  Juhui YUN ,  YESEUL LEE ,  YIRANG IM

IPC: H01L51/00

Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, an emission layer disposed between the first electrode and the second electrode, and a double buffer layer including a first layer disposed on the emission layer and a second layer disposed on the first layer. The first layer includes a first compound, the second layer includes a second compound which is different from the first compound, and the first compound and the second compound are each independently represented by Formula 1 or Formula 2, thereby contributing to increased efficiency and increased life of a light emitting element.

公开(公告)号：US20240196742A1

公开(公告)日：2024-06-13

申请号：US18359602

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： HEECHOON AHN ,  YOUNGJIN PARK ,  HYUNAH UM ,  YESEUL LEE ,  JIYONG CHOI

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  H10K50/11

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode. At least one functional layer may include a heterocyclic compound represented by Formula 1 below. The light emitting element of one or more embodiments including the heterocyclic compound of one or more embodiments may exhibit long lifespan characteristics. In some embodiments, the light emitting element of one or more embodiments may have reduced driving voltage.

公开(公告)号：US20240155941A1

公开(公告)日：2024-05-09

申请号：US18474995

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGMIN KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN ,  YESEUL LEE

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

CPC classification number: H10K85/6572 ,  C07D405/14 ,  C09K11/06 ,  H10K85/654 ,  H10K50/12

Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode that includes a first compound represented by Formula 1. The light emitting element including the first compound of an embodiment may have a decrease in the driving voltage and exhibit excellent or suitable efficiency.

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:

公开(公告)号：US20230189634A1

公开(公告)日：2023-06-15

申请号：US17950958

申请日：2022-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGMIN KIM ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN ,  YESEUL LEE

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0094 ,  H01L51/0072 ,  H01L51/5024 ,  H01L2251/5376

Abstract: A light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer which is disposed between the first electrode and the second electrode, and includes a polycyclic compound represented by Formula 1 below, thereby exhibiting high efficiency and low driving voltage characteristics.

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：US20240155936A1

公开(公告)日：2024-05-09

申请号：US18355833

申请日：2023-07-20

Applicant: Samsung Display Co., LTD.

Inventor： HYUNAH UM ,  HYEONGMIN KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  Juhui YUN ,  YESEUL LEE ,  HYOYOUNG LEE

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/12 ,  H10K50/805 ,  H10K85/30

CPC classification number: H10K85/40 ,  C07F7/0812 ,  C09K11/06 ,  H10K50/12 ,  H10K50/805 ,  H10K85/346 ,  C07B2200/05 ,  C09K2211/1074

Abstract: A light emitting element of an embodiment may include 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 a first compound represented by Formula 1. The light emitting element including the first compound may show improved color coordinates of light emitted and long-life characteristics.