公开(公告)号：US10366653B2

公开(公告)日：2019-07-30

申请号：US15450505

申请日：2017-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  UNIVERSITY OF UTAH RESEARCH FOUNDATION

Inventor： Ohyun Kwon ,  Youngjae Park ,  Hyun Koo ,  Byoungki Choi ,  Zeev Valentine Vardeny ,  Chuang Zhang ,  Dali Sun ,  Zhiyong Pang

IPC: G09G5/00 ,  G09G3/3233 ,  C09K11/02 ,  C09K11/06 ,  H01L27/32 ,  H01L43/08 ,  H01L51/50 ,  H01L51/56 ,  G09G3/3208 ,  H01L51/00

Abstract: An organic light-emitting device including a magnetoresistive element including a first magnetic layer, a second magnetic layer, and a separation layer disposed between the first magnetic layer and the second magnetic layer, an organic light-emitting element electrically connected to the magnetoresistive element, wherein the organic light-emitting element comprises a first electrode, a second electrode, and an organic light-emission layer disposed between the first electrode and the second electrode, a magnetic field applying unit configured to apply a magnetic field to at least the magnetoresistive element, and optionally, to the organic light-emitting element, a power source configured to supply a current between the magnetoresistive element and the organic light-emitting element, and a current source configured to apply a current between both terminals of the organic light-emitting element, wherein light-emission characteristics of the organic light-emitting device are changed depending on a direction and intensity of a current passing through the magnetoresistive element due to the power source and a direction and intensity of a current passing through the organic light-emitting element due to the power source and the current source.

公开(公告)号：US12063850B2

公开(公告)日：2024-08-13

申请号：US17060751

申请日：2020-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungyeon Kwak ,  Sukekazu Aratani ,  Sangdong Kim ,  Hyeonho Choi ,  Hyun Koo ,  Soyeon Kim ,  Jiyoun Lee ,  Yongsuk Cho ,  Jongwon Choi ,  Dmitry Kravchuk

IPC: H01L51/50 ,  C07F15/00 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10

Abstract: An organometallic compound, wherein the organometallic compound has a C2 symmetric structure, and is represented by Formula 1,



wherein the sum of Δ(Ir—N) and Δ(Ir—C) is about 0.002 angstroms or less:

Ir(L1)2(L2)  Formula 1

wherein, in Formula 1,
L1 is a ligand represented by Formula 2 as provided herein, wherein one of two L1s is a first L1 ligand and the other L1s is a second L1 ligand and the first L1 ligand and the second L1 ligand are identical to each other,
L2 is a ligand represented by Formula 3 as provided herein, and
Δ(Ir—N) and Δ(Ir—C) are as defined herein.

公开(公告)号：US11950494B2

公开(公告)日：2024-04-02

申请号：US17060677

申请日：2020-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeoungin Yi ,  Seungyeon Kwak ,  Juhyun Kim ,  Sangho Park ,  Sunyoung Lee ,  Jiyoun Lee ,  Yoonhyun Kwak ,  Hyun Koo ,  Sunghun Lee ,  Hyeonho Choi

IPC: C09K11/06 ,  C07F15/00 ,  H10K85/30 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: Provided is an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device.

M(L1)n1(L2)n2  



M, L1, L2, n1, and n2 in Formula 1 are the same as described in the present specification.

公开(公告)号：US11800801B2

公开(公告)日：2023-10-24

申请号：US16993615

申请日：2020-08-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seokhwan Hong ,  Myungsun Sim ,  Seungyeon Kwak ,  Hyun Koo ,  Sangdong Kim ,  Chul Baik ,  Sukekazu Aratani ,  Sunyoung Lee ,  Sunghun Lee ,  Shingo Ishihara ,  Jeoungin Yi ,  Yuri Cho ,  Yasushi Koishikawa

IPC: H10K85/60 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K101/40 ,  H10K101/30

CPC classification number: H10K85/6576 ,  C09K11/06 ,  H10K50/11 ,  H10K85/636 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/30 ,  H10K2101/40

Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first host and a dopant, the dopant is an organometallic compound including platinum, the organic light-emitting device satisfies a condition of: HOMO(D)−HOMO(Host 1)≥0.2 electron volts, HOMO(D) is a highest occupied molecular orbital (HOMO) energy level of the dopant in electron volts, HOMO(Host 1) is a HOMO) energy level of the first host in electron volts, and HOMO(D) and HOMO(Host 1) are each measured using a photoelectron spectrometer in an ambient atmosphere.

公开(公告)号：US11641753B2

公开(公告)日：2023-05-02

申请号：US16045876

申请日：2018-07-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunghun Lee ,  Sangdong Kim ,  Seungyeon Kwak ,  Hyun Koo ,  Jungin Lee ,  Kyuyoung Hwang

IPC: H01L51/50 ,  C07F15/00 ,  C09K11/06 ,  H01L51/00

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the emission layer includes an electron transport host, a hole transport host, and a dopant, wherein the dopant includes an organometallic compound, and wherein the organometallic compound does not comprise iridium, wherein the organic light-emitting device satisfies predetermined parameters described in the specification.

公开(公告)号：US11539007B2

公开(公告)日：2022-12-27

申请号：US17166385

申请日：2021-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungin Lee ,  Kyuyoung Hwang ,  Soyeon Kim ,  Aram Jeon ,  Hyeonho Choi ,  Hyun Koo ,  Sangdong Kim ,  Yoonhyun Kwak ,  Ohyun Kwon ,  Byoungki Choi

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

Abstract: An organometallic compound represented by Formula 1A: wherein, in Formula 1A, groups and variables are the same as described in the specification.

公开(公告)号：US20210391548A1

公开(公告)日：2021-12-16

申请号：US17381374

申请日：2021-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyuyoung Hwang ,  Ohyun Kwon ,  Hyun Koo ,  Youngjae Park ,  Kum Hee Lee ,  Aram Jeon ,  Whail Choi ,  Byoungki Choi

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07D251/24 ,  C07D213/16 ,  C07D239/26 ,  C07D209/86 ,  C07D401/14

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the organic layer further includes i) an organometallic compound represented by Formula 1, and ii) at least one selected from a first compound represented by Formula 51, a second compound represented by Formula 61, a third compound represented by Formula 81, and a fourth compound represented by Formula 91, wherein Formulae 1, 51, 61, 81, and 91 are the same as described in the specification.

公开(公告)号：US20210193940A1

公开(公告)日：2021-06-24

申请号：US17185128

申请日：2021-02-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyuyoung Hwang ,  Ohyun Kwon ,  Yoonhyun Kwak ,  Hyun Koo ,  Kumhee Lee ,  Hyeonho Choi ,  Whail Choi ,  Seokhwan Hong

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2  Formula 1 wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.

公开(公告)号：US20210122774A1

公开(公告)日：2021-04-29

申请号：US16842202

申请日：2020-04-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Whail Choi ,  Seungyeon Kwak ,  Yoonhyun Kwak ,  Hyun Koo ,  Kum Hee Lee ,  Hyeonho Choi ,  Seokhwan Hong ,  Kyuyoung Hwang

IPC: C07F15/00 ,  H01L51/00 ,  H01L51/50 ,  H01L51/42

Abstract: Provided are an organometallic compound, and an organic light-emitting device and a diagnostic composition, each including the organometallic compound represented by Formula 1 below: M(L1)n1(L2)n2  Formula 1 wherein, in Formula 1, M is a transition metal, L1 is a ligand represented by Formula 1-1, n1 is 1, 2, or 3, and when n1 is 2 or more, two or more L1(s) are identical to or different from each other, L2 is a ligand represented by Formula 1-2, n2 is 0, 1, 2, 3, or 4, and when n2 is 2 or more, two or more L2(s) are identical to or different from each other.

公开(公告)号：US20200308205A1

公开(公告)日：2020-10-01

申请号：US16831700

申请日：2020-03-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jiyoun Lee ,  Soyeon Kim ,  Yongsuk Cho ,  Jongwon Choi ,  Dmitry KRAVCHUK ,  Banglin Lee ,  Hyun Koo ,  Sunghun Lee ,  Yuri Cho

IPC: C07F15/00 ,  H01L51/50 ,  H01L51/00

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device: wherein, in Formula 1, Y2, ring CY1, ring CY2, T1, T2, A1 to A7, a1, and a2 are as defined in the specification.