公开(公告)号：US10892427B2

公开(公告)日：2021-01-12

申请号：US15982248

申请日：2018-05-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumwoo Park ,  Sangdong Kim ,  Soyeon Kim ,  Sukekazu Aratani ,  Jungin Lee ,  Kyuyoung Hwang ,  Yoonhyun Kwak ,  Ohyun Kwon

IPC: H01L51/00 ,  H01L51/50

Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, A1 to A4, M, and T1 to T3 are the same as described in the specification.

公开(公告)号：US10741772B2

公开(公告)日：2020-08-11

申请号：US14838987

申请日：2015-08-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangyeob Lee ,  Sangdong Kim ,  Jiwhan Kim ,  Banglin Lee ,  Seungyeon Kwak ,  Hyeonho Choi

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An organic light-emitting device (OLED) includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode and including an electron-transporting host and a hole-transporting host, a hole transport region between the first electrode and the emission layer and including a hole transport layer, and an electron transport region between the emission layer and the second electrode and including an electron transport layer, wherein the OLED satisfies Equations 1 and 2 below: 0.75 eV≤|LUMOH(ET)−LUMOH(HT)|≤0.90 eV   |E(S1,H(ET))−E(S1,H(HT))| wherein in Equations 1 and 2, LUMOH(ET) refers to a lowest unoccupied molecular orbital (LUMO) energy level of the electron-transporting host, LUMOH(HT) refers to an LUMO energy level of the hole-transporting host, E(S1, H(ET)) refers to a singlet energy level of the electron-transporting host, and E(S1, H(HT)) refers to a singlet energy level of the hole-transporting host.

公开(公告)号：US10297778B2

公开(公告)日：2019-05-21

申请号：US15913130

申请日：2018-03-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunghun Lee ,  Jiwhan Kim ,  Sungjun Kim ,  Sukekazu Aratani ,  Hyeonho Choi ,  Seungyeon Kwak ,  Hyun Koo ,  Sangdong Kim ,  Seokhwan Hong

IPC: H01L51/50 ,  H01L51/52

Abstract: A light-emitting device including an material, wherein KISC/KFL(original) of the emitting material is about 100 or greater, KRISC/KPH(original) of the emitting material is about 100 or greater, KISC/KRISC of the emitting material is about 0.9 or greater and about 1,000 or less, wherein, among all emission components of the emitting material, a ratio of a phosphorescent emission component that is emitted by a radiative transition of a triple exciton to a ground state is 90% or greater, wherein the KISC, the KRISC, the KFL(original), the KPH(original) are the same as described in the specification, and wherein the ratio of the phosphorescent emission component are evaluated from a transient photoluminescence (PL) spectrum per temperature of the emitting material.

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：US11991921B2

公开(公告)日：2024-05-21

申请号：US17038043

申请日：2020-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Whail Choi ,  Seungyeon Kwak ,  Yoonhyun Kwak ,  Ohyun Kwon ,  Hyeonho Choi ,  Kyuyoung Hwang ,  Sangdong Kim ,  Youngjae Park

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K85/361 ,  C07F15/0033 ,  C09K11/025 ,  C09K11/06 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/654 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K85/351 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/40

Abstract: An organometallic compound represented by Formula 1:

M(L1)n1(L2)n2  Formula 1



wherein groups M, L1, L2, n1, and n2 are the same as they are defined in the specification.

公开(公告)号：US11912724B2

公开(公告)日：2024-02-27

申请号：US17592075

申请日：2022-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ohyun Kwon ,  Sangdong Kim ,  Hyungjun Kim ,  Virendra Kumar Rai ,  Bumwoo Park ,  Myungsun Sim ,  Jeoungin Yi ,  Yongsuk Cho ,  Byoungki Choi ,  Jongwon Choi

IPC: C07F15/00

CPC classification number: C07F15/0033

Abstract: An organometallic compound represented by Formula 1:

M1(Ln1)n1(Ln2)n2  Formula 1

wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1-1, Ln2 is a bidentate ligand, n1 is 1, 2, or 3, and n2 is 0, 1, or 2,







wherein X1, X2, X11 to X14, Y1, R10, R20, ring CY2, b10, and b20 are as defined herein, and wherein * and *′ each indicate a binding site to M1.

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：US11758802B2

公开(公告)日：2023-09-12

申请号：US16669770

申请日：2019-10-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Banglin Lee ,  Soyeon Kim ,  Jiyoun Lee ,  Jongwon Choi ,  Dmitry Kravchuk ,  Sangdong Kim ,  Sukekazu Aratani ,  Yongsuk Cho

IPC: H10K85/30 ,  C07D403/14 ,  C07D487/04 ,  C07F15/00 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/342 ,  C07D403/14 ,  C07D487/04 ,  C07F15/0033 ,  C09K11/06 ,  H10K85/6572 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/10

Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2 and an organic light-emitting device including the composition:




Formulae 1 and 2 may each be understood by referring to the descriptions thereof provided herein.

公开(公告)号：US11706983B2

公开(公告)日：2023-07-18

申请号：US16885992

申请日：2020-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangyeob Lee ,  Sangdong Kim ,  Jiwhan Kim ,  Banglin Lee ,  Seungyeon Kwak ,  Hyeonho Choi

IPC: H01L51/00 ,  H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/40 ,  H10K50/15 ,  H10K50/16 ,  H10K101/30

CPC classification number: H10K85/6572 ,  C09K11/025 ,  C09K11/06 ,  H10K50/11 ,  H10K85/654 ,  H10K85/657 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/30 ,  H10K2101/40

Abstract: An organic light-emitting device (OLED) includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode and including an electron-transporting host and a hole-transporting host, a hole transport region between the first electrode and the emission layer and including a hole transport layer, and an electron transport region between the emission layer and the second electrode and including an electron transport layer, wherein the OLED satisfies Equations 1 and 2 below:

0.75 eV≤|LUMOH(ET)−LUMOH(HT)|≤0.90 eV  

|E(S1,H(ET))−E(S1,H(HT))|

wherein in Equations 1 and 2, LUMOH(ET) refers to a lowest unoccupied molecular orbital (LUMO) energy level of the electron-transporting host, LUMOH(HT) refers to an LUMO energy level of the hole-transporting host, E(S1, H(ET)) refers to a singlet energy level of the electron-transporting host, and E(S1, H(HT)) refers to a singlet energy level of the hole-transporting host.

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.