公开(公告)号：US11502259B2

公开(公告)日：2022-11-15

申请号：US16739698

申请日：2020-01-10

申请人： Samsung Display Co., Ltd.

发明人： Yuji Suzaki ,  Akinori Yamatani ,  Nobutaka Akashi

IPC分类号： H01L51/50 ,  H01L51/00 ,  C07F5/02 ,  C09K11/06

摘要： An organic electroluminescence device having high luminous efficiency includes 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 Formula 1.

公开(公告)号：US10333085B2

公开(公告)日：2019-06-25

申请号：US15476120

申请日：2017-03-31

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Hiromi Nakano ,  Nobutaka Akashi

IPC分类号： H01L51/00 ,  C07F5/02 ,  C07F7/08 ,  C09K11/06 ,  H01L51/50 ,  H05B33/14

摘要： Provided are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an exemplary embodiment of the present disclosure is represented by the following formula 1. In Formula 1, X is O, SiR′R″, S, or BAr1. At least one of R1 to R8 is an aryl amine-containing electron donor. When X is O, SiR′R″, or S, the aryl amine-containing electron donor further includes a Si.

公开(公告)号：US20180134951A1

公开(公告)日：2018-05-17

申请号：US15871070

申请日：2018-01-15

申请人： Samsung Display Co., Ltd.

发明人： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

IPC分类号： C09K11/02 ,  H01L51/50 ,  C07D403/10 ,  C07C211/44 ,  C07C211/49 ,  C07C211/43 ,  C07D401/14 ,  C07C211/61 ,  H01L51/00

CPC分类号： C09K11/025 ,  C07C211/43 ,  C07C211/44 ,  C07C211/49 ,  C07C211/61 ,  C07D401/14 ,  C07D403/10 ,  H01L51/0059 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5064

摘要： An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1.

公开(公告)号：US20180019415A1

公开(公告)日：2018-01-18

申请号：US15476120

申请日：2017-03-31

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： HIROMI NAKANO ,  Nobutaka Akashi

IPC分类号： H01L51/00 ,  C07F5/02 ,  C07F7/08 ,  C09K11/06 ,  H01L51/50

CPC分类号： H01L51/0094 ,  C07F5/027 ,  C07F7/0803 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/104 ,  C09K2211/1096 ,  H01L51/0071 ,  H01L51/008 ,  H01L51/5012 ,  H05B33/14

摘要： Provided are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an exemplary embodiment of the present disclosure is represented by the following formula 1. In Formula 1, X is O, SiR′R″, S, or BAr1. At least one of R1 to R8 is an aryl amine-containing electron donor. When X is O, SiR′R″, or S, the aryl amine-containing electron donor further includes a Si.

公开(公告)号：US12069946B2

公开(公告)日：2024-08-20

申请号：US17186629

申请日：2021-02-26

申请人： Samsung Display Co., Ltd.

发明人： Nobutaka Akashi ,  Hirokazu Kuwabara

IPC分类号： H10K85/40 ,  C07F5/02 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805 ,  H10K85/60

CPC分类号： H10K85/656 ,  C07F5/027 ,  H10K50/12 ,  H10K85/40 ,  H10K85/636 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805

摘要： An organic electroluminescence device of one or more embodiments 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, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency:




wherein Y is O or S.

公开(公告)号：US20210305515A1

公开(公告)日：2021-09-30

申请号：US17334521

申请日：2021-05-28

申请人： Samsung Display Co., Ltd.

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

IPC分类号： H01L51/00 ,  C07D333/76 ,  C07D307/91 ,  C09K11/06 ,  C09K11/02

摘要： 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 1.

公开(公告)号：US10689568B2

公开(公告)日：2020-06-23

申请号：US16459484

申请日：2019-07-01

申请人： Samsung Display Co., Ltd.

发明人： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

IPC分类号： C09K11/02 ,  H01L51/50 ,  C07D403/10 ,  C07C211/61 ,  C07C211/43 ,  C07C211/44 ,  C07C211/49 ,  C07D401/14 ,  H01L51/00

摘要： An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1

公开(公告)号：US10147886B2

公开(公告)日：2018-12-04

申请号：US14875312

申请日：2015-10-05

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Hiroaki Itoi ,  Nobutaka Akashi

IPC分类号： H01L51/00 ,  C07D333/76 ,  H01L51/50

摘要： An organic electroluminescent (EL) material and an organic EL device, the material being represented by the following Formula 1:

公开(公告)号：US20160190487A1

公开(公告)日：2016-06-30

申请号：US14941499

申请日：2015-11-13

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Nobutaka Akashi ,  Masatsugu Ueno

IPC分类号： H01L51/00 ,  C07F7/08

CPC分类号： H01L51/0094 ,  C07F7/0805 ,  C07F7/0807 ,  C07F7/0816 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/5056

摘要： The material for an organic electroluminescent device includes a monoamine derivative represented by Formula 1. An organic electroluminescent device including the material can exhibit low driving voltage and improved emission efficiency. The material can be included in at least one layer positioned between an emission layer and an anode of the organic electroluminescent device.

摘要翻译： 用于有机电致发光器件的材料包括由式1表示的单胺衍生物。包含该材料的有机电致发光器件可表现出低的驱动电压和改善的发射效率。 该材料可以包含在位于有机电致发光器件的发射层和阳极之间的至少一层中。

公开(公告)号：US09214638B2

公开(公告)日：2015-12-15

申请号：US14668225

申请日：2015-03-25

申请人： SAMSUNG DISPLAY CO., LTD. ,  NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY

发明人： Nobutaka Akashi ,  Masako Kato ,  Hiroki Ohara ,  Atsushi Kobayashi

IPC分类号： C07F1/08 ,  H01L51/50 ,  H01L51/00

CPC分类号： H01L51/0091 ,  C07F1/08 ,  H01L51/5012

摘要： A material for an organic electroluminescent (EL) device includes a copper(I) complex represented by the following Formula 1: [CuX(PPh3)2L]  [Formula 1] In the above Formula 1, X is an anion, PPh3 is triphenylphosphine, and L is a substituted or unsubstituted heterocyclic ligand having 5 to 18 ring carbon.

摘要翻译： 用于有机电致发光（EL）器件的材料包括由下式1表示的铜（I）络合物：[CuX（PPh 3）2 L] [式1]在上式1中，X是阴离子，PPh 3是三苯基膦， L是具有5至18个环碳的取代或未取代的杂环配体。