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公开(公告)号：US20180240990A1
公开(公告)日：2018-08-23
申请号：US15665884
申请日：2017-08-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jongwon CHOI , Kum Hee LEE , Banglin LEE , Yoonhyun KWAK , Ohyun KWON , Sukekazu ARATANI , Byoungki CHOI
CPC classification number: H01L51/0087 , C07F15/0086 , C09K11/06 , C09K2211/1029 , C09K2211/185 , H01L51/5016 , H01L2251/552
Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
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公开(公告)号：US20250066404A1
公开(公告)日：2025-02-27
申请号：US18909014
申请日：2024-10-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyuyoung Hwang , Byungjoon Kang , Myungsun Sim , Sukekazu ARATANI , Kum Hee Lee , Banglin Lee , Byoungki Choi
Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, M is a transition metal, X1 to X4 each independently C or N, X5 is O, S, N(R′), C(R′)(R″), or C(═O), wherein a bond between X5 and M is a covalent bond, and one of a bond between X2 and M, a bond between X3 and M, and a bond between X4 and M is a covalent bond, and the other two are each a coordinate bond, ring CY1 to ring CY4 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, and wherein T1 to T4, n1 to n4, Z1 to Z4, d1 to d4, L1 to L4, R1 to R4, a1 to a4, b1 to b4, and c1 to c4 are as provided herein.
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公开(公告)号：US20210257560A1
公开(公告)日：2021-08-19
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
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.
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公开(公告)号：US20210193938A1
公开(公告)日：2021-06-24
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: H01L51/00
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.
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公开(公告)号：US20190326527A1
公开(公告)日：2019-10-24
申请号：US16392090
申请日：2019-04-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Whail CHOI , Yoonhyun KWAK , Hyun KOO , Sungjun KIM , Sukekazu ARATANI , Kum Hee LEE , Sunyoung LEE , Kyuyoung HWANG
Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound: M(L1)n1(L2)n2 Formula 1 wherein M, L1, L2, n1 and n2 are each independently the same as defined in the specification.
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Patent Agency Ranking
公开(公告)号：US20180254425A1
公开(公告)日：2018-09-06
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
CPC classification number: H01L51/5016 , H01L51/5024 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5096 , H01L51/5218 , H01L51/5221
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.
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公开(公告)号：US20240206318A1
公开(公告)日：2024-06-20
申请号：US18431861
申请日：2024-02-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jongwon CHOI , Sukekazu ARATANI , Kum Hee LEE , Banglin LEE , Hyeonho CHOI , Seungyeon KWAK , Yoonhyun KWAK , Sangdong KIM , Jiwhan KIM , Chul BAIK , Yongsuk CHO
IPC: H10K85/30 , C07F15/00 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K101/10 , H10K102/00
CPC classification number: H10K85/346 , C07F15/0086 , C09K11/06 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1092 , C09K2211/185 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K2101/10 , H10K2102/3026 , H10K2102/3035
Abstract: An organometallic compound represented by Formula 1:
wherein, in Formula 1, groups and variables are the same as described in the specification.-
公开(公告)号：US20220037599A1
公开(公告)日：2022-02-03
申请号：US17199666
申请日：2021-03-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyuyoung Hwang , Juhee Moon , Sukekazu ARATANI , Kum Hee Lee , Banglin Lee , Jeoungin Yi , Byoungki Choi
Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2 Formula 1 wherein M is a transition metal, L1 is a ligand represented by Formula 2 as provided herein, n1 is 1, 2, or 3, wherein, when n1 is 2, two L1 groups are identical to or different from each other, and when n1 is 3, two or more of three L1 groups are different from each other, L2 is a monodentate ligand, a bidentate ligand, a tridentate ligand, or a tetradentate ligand, and n2 is 0, 1, 2, 3, or 4, wherein, when n2 is 2 or greater, two or more L2 groups are identical to or different from each other, and L1 and L2 are different from each other.
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公开(公告)号：US20210253618A1
公开(公告)日：2021-08-19
申请号：US17036694
申请日：2020-09-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ohyun KWON , Aram JEON , Sangho PARK , Virendra Kumar RAI , Myungsun SIM , Sukekazu ARATANI , Kum Hee LEE , Banglin LEE , Sunghun LEE , Byoungki CHOI , Yasushi KOISHIKAWA
Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2 Formula 1 In Formula 1, M is a transition metal; L1 is a ligand represented by Formula 2 as disclosed herein; L2 is a monodentate ligand, a bidentate ligand, a tridentate ligand, or a tetradentate ligand; n1 is 1, 2, or 3, wherein, when n1 is 2 or greater, two or more ligands L1 are identical to or different from each other; n2 is 0, 1, 2, 3, or 4, wherein, when n2 is 2 or greater, two or more ligands L2 are identical to or different from each other; and L1 and L2 are different from each other.
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公开(公告)号：US20210091315A1
公开(公告)日：2021-03-25
申请号：US17103489
申请日：2020-11-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Bumwoo PARK , Sangdong KIM , Soyeon KIM , Sukekazu ARATANI , Jungin LEE , Kyuyoung HWANG , Yoonhyun KWAK , Ohyun KWON
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.
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