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：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：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：US20230129565A1

公开(公告)日：2023-04-27

申请号：US18060205

申请日：2022-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： YOONKYOO LEE ,  HEECHOON AHN

IPC: C07F15/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a first host compound represented by Formula 1, a second host compound represented by Formula 2, and a dopant compound comprising an organometallic complex including Pt, Au, or Cu as a central metal element, and may show improved life characteristics.