公开(公告)号：US20160118597A1

公开(公告)日：2016-04-28

申请号：US14924574

申请日：2015-10-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hiroaki Itoi ,  Ichinori Takada ,  Koushin Matsuoka ,  Masatsugu Ueno ,  Naoya Sakamoto ,  Hiromi Nakano ,  Nobutaka Akashi ,  Hideo Miyake ,  Xiulan Jin ,  Asami Sakamoto ,  Junta Fuchiwaki

IPC: H01L51/00 ,  C09K11/02 ,  C07D333/76 ,  C07D307/91

CPC classification number: H01L51/0061 ,  C07D307/91 ,  C07D333/76 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5064 ,  H01L2251/552

Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 5.

Abstract translation: 用于具有高发光效率和长寿命的有机电致发光器件的材料和包含该有机电致发光器件的有机电致发光器件。 有机电致发光器件的材料由下式5表示。

公开(公告)号：US09269913B2

公开(公告)日：2016-02-23

申请号：US14323270

申请日：2014-07-03

Applicant: SAMSUNG DISPLAY CO., LTD. ,  National University Corporation Hokkaido University

Inventor： Nobutaka Akashi ,  Masako Kato ,  Atsushi Kobayashi ,  Kotaro Shimada ,  Hiroki Ohara

IPC: C07F1/08 ,  C07F9/06 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50

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至18个碳原子，a为2至6的整数，b为2至6的整数，c为0至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。

公开(公告)号：US12289991B2

公开(公告)日：2025-04-29

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: H10K85/60 ,  C07D401/10 ,  C07D401/14 ,  C07D413/14 ,  C07D417/14 ,  H10K50/11 ,  H10K50/18 ,  H10K85/40

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.

公开(公告)号：US11889752B2

公开(公告)日：2024-01-30

申请号：US17089268

申请日：2020-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Hirokazu Kuwabara ,  Nobutaka Akashi ,  Ryuhei Furue

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/631 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1007 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device having high light emission efficiency is provided, which includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a polycyclic compound represented by Formula 1:

公开(公告)号：US11844272B2

公开(公告)日：2023-12-12

申请号：US17074454

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei Furue ,  Hirokazu Kuwabara ,  Nobutaka Akashi

IPC: C09K11/06 ,  H10K85/60 ,  C07D487/14 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/654 ,  C07D487/14 ,  C09K11/06 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of functional layers disposed between the first electrode and the second electrode, wherein at least one functional layer of the plurality of functional layers includes a polycyclic compound represented by Formula 1, thereby showing excellent light emitting efficiency in a short wavelength region:

公开(公告)号：US11174427B2

公开(公告)日：2021-11-16

申请号：US15827078

申请日：2017-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hiromi Nakano ,  Nobutaka Akashi

IPC: C09K11/06 ,  C09K11/08 ,  H01L51/50 ,  H01L51/00

Abstract: Provided are an aromatic compound enhancing emission efficiency of blue light emitting region and an organic electroluminescence device including the same. The aromatic compound according to an embodiment of the inventive concept is represented by Formula 1, and more details about the constituents are provided in the disclosure.

公开(公告)号：US10862050B2

公开(公告)日：2020-12-08

申请号：US15941061

申请日：2018-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nobutaka Akashi

IPC: H01L51/50 ,  H01L51/00 ,  C07D487/06 ,  C09K11/06 ,  C07D519/00 ,  C07F7/08

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.

公开(公告)号：US10714693B2

公开(公告)日：2020-07-14

申请号：US15474030

申请日：2017-03-30

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Hiromi Nakano ,  Shuri Sato ,  Yoshimasa Fujita ,  Nobutaka Akashi ,  Takuma Yasuda ,  JiYoung Lee

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C07D405/04 ,  C07D491/107 ,  H01L51/50

Abstract: A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R1 to R4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.

公开(公告)号：US10686139B2

公开(公告)日：2020-06-16

申请号：US15378084

申请日：2016-12-14

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Hiromi Nakano ,  Shuri Sato ,  Yoshimasa Fujita ,  Nobutaka Akashi ,  Takuma Yasuda ,  Inseob Park

IPC: C07D401/10 ,  H01L51/00 ,  C07D401/14 ,  C07D403/14 ,  C07D491/107 ,  C09K11/06 ,  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:

公开(公告)号：US20190148647A1

公开(公告)日：2019-05-16

申请号：US16020866

申请日：2018-06-27

Applicant: Samsung Display Co., Ltd.

Inventor： Nobutaka Akashi

IPC: H01L51/00 ,  C07F9/6584 ,  C09K11/06 ,  H01L51/50

Abstract: A nitrogen-containing compound represented by Formula 1 below may be included in a light emitting layer of an organic electroluminescence device. The resulting organic electroluminescence device may exhibit improved light emitting efficiency and may emit deep blue light: wherein, X1 to X13 are each independently CR1, CR2 or N, at least one of X9 to X13 is N, at least one of X1 to X13 is CR2, and R2 is represented by Formula 2 below: