公开(公告)号：US11672170B2

公开(公告)日：2023-06-06

申请号：US16666328

申请日：2019-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon Kim ,  Hyejeong Park ,  Myeongsuk Kim ,  Juwon Lee

IPC: C07C211/54 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/006 ,  C07C211/54 ,  C09K11/06 ,  C07C2603/97 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  H01L27/3248 ,  H01L51/0056 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

Abstract: Provided are an arylamine compound and an organic light-emitting device including the same.

公开(公告)号：US20230309393A1

公开(公告)日：2023-09-28

申请号：US18178383

申请日：2023-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Sungsoo Bae ,  Mikyung Kim ,  Sanggyun Kim ,  Hyejeong Park ,  Yoojin Sohn ,  Hyewon Choi ,  Jaeweon Hur

IPC: H10K85/60 ,  H10K59/35

CPC classification number: H10K85/6572 ,  H10K59/35 ,  H10K50/171

Abstract: A light-emitting device and an electronic apparatus that includes the light-emitting device are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and an electron transport region between the second electrode and the emission layer. The electron transport region includes an electron injection layer, and the electron injection layer includes a heterocyclic compound.

公开(公告)号：US20250017108A1

公开(公告)日：2025-01-09

申请号：US18735109

申请日：2024-06-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong Park ,  Beomjin Kim ,  Ha Hwang ,  Jiwon Kwak

IPC: H10K85/60 ,  C07C211/54 ,  C07D307/91 ,  C07D333/50 ,  C07D333/76 ,  C09K11/06 ,  H10K50/12 ,  H10K50/18

Abstract: A light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode and including an emission layer is provided. The interlayer includes a first compound, a second compound, and a third compound. The first compound is represented by Formula 1 and includes deuterium, the second compound is represented by Formula 1 and includes deuterium, the first compound and the second compound are different from each other, and the third compound is represented by Formula 2.

公开(公告)号：US11889755B2

公开(公告)日：2024-01-30

申请号：US17039159

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon Kim ,  Hyejeong Park ,  Changmin Lee

IPC: H10K85/60

CPC classification number: H10K85/656 ,  H10K85/622 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574

Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1:




In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.

公开(公告)号：US11871660B2

公开(公告)日：2024-01-09

申请号：US16791402

申请日：2020-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong Park ,  Daehyeon Kim ,  Myeongsuk Kim ,  Jimyoung Ye ,  Juwon Lee

IPC: H01L51/00 ,  H10K85/60 ,  C07D471/04 ,  C07D519/00 ,  C07D403/14 ,  C07D487/14 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K50/115

CPC classification number: H10K85/654 ,  C07D403/14 ,  C07D471/04 ,  C07D487/14 ,  C07D519/00 ,  H10K85/6572 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: A compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the compound represented by Formula 1. The compound represented by Formula 1 suppresses or reduces the generation of dark spots by chelating metal that migrates from an electrode.

公开(公告)号：US11818951B2

公开(公告)日：2023-11-14

申请号：US16678508

申请日：2019-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong Park

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and comprising an emission layer; and at least one condensed cyclic compound represented by Formula 1-1, 1-2, or 1-3:




where in Formulae 1-1 to 1-3, at least one of R1(s) is an electron withdrawing group, at least one selected from R2(s) and R3(s) is an electron withdrawing group, and at least one selected from R4(s), R5(s), and R6(s) is an electron withdrawing group, wherein a case where the number of cyano groups in the electron withdrawing group included in the condensed cyclic compound represented by Formula 1-1 is two or more is excluded.

公开(公告)号：US20230200217A1

公开(公告)日：2023-06-22

申请号：US18066649

申请日：2022-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Ha Hwang ,  Hyunwoo Lee ,  Mikyung Kim ,  Beomjin Kim ,  Hyejeong Park ,  Sungsoo Bae

IPC: H10K85/60

CPC classification number: H01L51/0058 ,  H01L51/0073 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/5012

Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device, the light-emitting device including: a first compound represented by Formula 1 and a second compound represented by Formula 2; or a first compound represented by Formula 1 and a third compound represented by Formula 1. The detailed description of Formulae 1 and 2 is as described in the present specification

公开(公告)号：US20220165957A1

公开(公告)日：2022-05-26

申请号：US17511493

申请日：2021-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyun SONG ,  Samil Kho ,  Donghwan Kim ,  Eunkyoung Kim ,  Hyoungkun Kim ,  Youngseo Park ,  Hyejeong Park

IPC: H01L51/00

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer. The interlayer further includes a first electron transport layer and a second electron transport layer. The first and second electron transport layers are between the emission layer and the second electrode. The first electron transport layer includes a first compound represented by Formula 1, and the second electron transport layer includes a second compound represented by Formula 2.

公开(公告)号：US11937501B2

公开(公告)日：2024-03-19

申请号：US17121521

申请日：2020-12-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong Park

IPC: H01L51/50 ,  C07D471/04 ,  H10K85/60 ,  H10K50/16

CPC classification number: H10K85/654 ,  C07D471/04 ,  H10K85/6572 ,  H10K50/16

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and including an emission layer; and at least one of heterocyclic compounds represented by Formulae 1-1 to 1-3, as defined herein.

公开(公告)号：US20230200100A1

公开(公告)日：2023-06-22

申请号：US18083369

申请日：2022-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon Choi ,  Sangwon Seo ,  Mikyung Kim ,  Sanggyun Kim ,  Hyejeong Park

IPC: H10K50/15 ,  H10K50/12 ,  H10K85/60 ,  H10K85/30

CPC classification number: H01L51/5056 ,  H01L51/5024 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0071 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0061 ,  H01L51/0064 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0077 ,  H01L51/0087 ,  H01L51/0085 ,  H01L51/0088

Abstract: A light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode, wherein the interlayer includes an emission layer and a hole transport region which is located between the first electrode and the emission layer, the hole transport region includes a hole transport layer and a hole transport auxiliary layer which is located between the hole transport layer and the emission layer, the hole transport layer has a single-layered structure or a multi-layered structure, and a refractive index of the hole transport layer is higher than a refractive index of the hole transport auxiliary layer.