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1.发明申请公开(公告)号：US20220216406A1
公开(公告)日：2022-07-07
申请号：US17483098
申请日：2021-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Nobutaka AKASHI
Abstract: Provided is an organic electroluminescence device that includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1, and thus the organic electroluminescence device exhibits high luminous efficiency.
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2.发明申请公开(公告)号：US20200020866A1
公开(公告)日：2020-01-16
申请号：US16424851
申请日：2019-05-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Naoya SAKAMOTO , Nobutaka AKASHI
Abstract: An organic electroluminescence device and a polycyclic compound, the device including 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 polycyclic compound represented by the following Formula 1:
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3.发明申请ORGANIC ELECTROLUMINESCENT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME 审中-公开有机电致发光材料及其有机电致发光器件公开(公告)号：US20160099420A1
公开(公告)日：2016-04-07
申请号：US14875312
申请日：2015-10-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hiroaki ITOI , Nobutaka AKASHI
IPC: H01L51/00 , C07D333/76
CPC classification number: H01L51/0061 , C07D333/76 , H01L51/0059 , H01L51/006 , H01L51/0074 , H01L51/0081 , H01L51/5056
Abstract: An organic electroluminescent (EL) material and an organic EL device, the material being represented by the following Formula 1:
Abstract translation: 有机电致发光（EL）材料和有机EL器件，该材料由下式1表示：
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公开(公告)号：US20180331303A1
公开(公告)日：2018-11-15
申请号：US15941061
申请日：2018-03-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Nobutaka AKASHI
IPC: H01L51/00 , C07D487/06 , C09K11/06 , C07D519/00 , C07F7/08
CPC classification number: H01L51/0072 , C07D487/06 , C07D519/00 , C07F7/0816 , C09K11/06 , C09K2211/1018 , H01L51/0071 , H01L51/0094 , H01L51/5024 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5096
Abstract: A heterocyclic compound is represented by Formula 1 and has an absolute value of a difference between a singlet energy level and a triplet energy level of about 0.2 eV or less: wherein in Formula 1, at least one of R1 to R11 is represented by Formula 2.
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5.发明申请公开(公告)号：US20170346017A1
公开(公告)日：2017-11-30
申请号：US15378084
申请日：2016-12-14
Inventor： Hiromi NAKANO , Shuri SATO , Yoshimasa FUJITA , Nobutaka AKASHI , Takuma YASUDA , Inseob PARK
IPC: H01L51/00 , C07D403/14 , C09K11/06 , C07D401/10 , C07D401/14 , C07D491/107 , H01L51/50
Abstract: A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1:
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Patent Agency Ranking
6.发明申请ORGANIC ELECTROLUMINESCENCE MATERIAL AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME 审中-公开有机电致发光材料和有机电致发光器件公开(公告)号：US20140239229A1
公开(公告)日：2014-08-28
申请号：US14189422
申请日：2014-02-25
Applicant: Samsung Display Co., Ltd.
Inventor： Nobutaka AKASHI , Toshiaki MURAI
IPC: H01L51/00
CPC classification number: H01L51/0069 , C09K11/06 , H01L51/0061 , H01L51/0081 , H01L51/5012 , H01L2251/308
Abstract: An organic electroluminescence (EL) device comprising an organic EL material represented by the following Formula (1):
Abstract translation: 包含由下式（1）表示的有机EL材料的有机电致发光（EL）器件：
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公开(公告)号：US20210126202A1
公开(公告)日：2021-04-29
申请号：US16928610
申请日：2020-07-14
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA , Nobutaka AKASHI
IPC: H01L51/00
Abstract: An organic electroluminescence device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 to achieve high efficiency and an improved efficiency drop in a deep blue emission wavelength region:
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公开(公告)号：US20180205019A1
公开(公告)日：2018-07-19
申请号：US15860857
申请日：2018-01-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Junta FUCHIWAKI , Ikuo SASAKI , Shuri SATO , Nobutaka AKASHI
IPC: H01L51/00 , C07D401/10 , C07D401/14 , C07D413/14 , C07D417/14 , H01L51/50
CPC classification number: H01L51/0067 , C07D401/10 , C07D401/14 , C07D413/14 , C07D417/14 , H01L51/0059 , H01L51/0094 , H01L51/5012 , H01L51/5096
Abstract: An organic electroluminescence device including 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 hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1.
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公开(公告)号：US20150011765A1
公开(公告)日：2015-01-08
申请号：US14323270
申请日：2014-07-03
Inventor： Nobutaka AKASHI , Masako KATO , Atsushi KOBAYASHI , Koutarou SHIMADA , Yuki OHARA
IPC: H01L51/00
CPC classification number: H01L51/0091 , C09K11/06 , C09K2211/188 , H01L51/5016
Abstract: A copper(I) complex is represented by the following Formula (1): [Cua(XS)b(L)c], wherein, L is triphenylphosphine, acetonitrile, tri-iso-butylphosphine, or a substituted or unsubstituted heterocyclic compound having 5 to 18 carbon atoms, a is an integer from 2 to 6, b is an integer from 2 to 6, c is an integer from 0 to 6, X is a substituted or unsubstituted aryl group, substituted or unsubstituted carbazole, or PR3, where R is a substituted or unsubstituted phenyl group or a substituted or unsubstituted cyclohexyl group.
Abstract translation: 铜（I）配合物由下式（1）表示：[Cua（XS）b（L）c]，其中L是三苯基膦，乙腈，三异丁基膦或取代或未取代的杂环化合物，其具有 5〜18个碳原子，a为2〜6的整数，b为2〜6的整数，c为0〜6的整数，X为取代或未取代的芳基，取代或未取代的咔唑或PR3， 其中R是取代或未取代的苯基或取代或未取代的环己基。
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公开(公告)号：US20240138263A1
公开(公告)日：2024-04-25
申请号：US18469108
申请日：2023-09-18
Applicant: Samsung Display Co., LTD.
Inventor： Makoto YAMAMOTO , Keigo HOSHI , Yuji SUZAKI , Hirokazu KUWABARA , Nobutaka AKASHI , Ryuhei FURUE , Toshiyuki MATSUURA , Yoshiro SUGITA , Yuma AOKI , Yuuki MIYAZAKI
CPC classification number: H10K85/658 , C09K11/06 , H10K85/631 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/20
Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.
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