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：US20230232714A1

公开(公告)日：2023-07-20

申请号：US17976568

申请日：2022-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： YESEUL LEE ,  JANG YEOL BAEK ,  HEECHOON AHN ,  HYOYOUNG LEE ,  SEOWON CHO

IPC: H01L51/00 ,  C07F5/02 ,  C07F7/08 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07F5/027 ,  H01L51/0094 ,  C07F7/0812 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0067 ,  H01L51/5024 ,  C07B2200/05

Abstract: A light emitting element that includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element has a reduced driving voltage and an increased efficiency.

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.

公开(公告)号：US20230225192A1

公开(公告)日：2023-07-13

申请号：US18050000

申请日：2022-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGJIN PARK ,  HYEONGMIN KIM ,  HEECHOON AHN ,  HYOYOUNG LEE ,  JIYONG CHOI

IPC: H01L51/00 ,  C09K11/06 ,  C07F7/08 ,  C07D487/04

CPC classification number: H01L51/0094 ,  C09K11/06 ,  C07F7/0812 ,  C07D487/04 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012

Abstract: A light emitting element 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. The at least one functional layer includes a polycyclic compound represented by a specific chemical structure, and has a high efficiency and low driving voltage properties.

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: