公开(公告)号：US10886476B2

公开(公告)日：2021-01-05

申请号：US16164650

申请日：2018-10-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junta Fuchiwaki ,  Nobutaka Akashi

IPC: H01L51/50 ,  H01L51/00 ,  C07D471/04 ,  C09K11/06 ,  H01L51/56

Abstract: A polycyclic compound may be represented by Formula 1 below. The polycyclic compound may improve the light emitting efficiency of a blue light emitting region, and an organic electroluminescence device including the polycyclic compound may have improved blue light emission, high external quantum efficiency, and long life. The polycyclic compound may be used as a thermally activated delayed fluorescence material, which emits blue light, to improve the blue light emitting efficiency of the organic electroluminescence device.

公开(公告)号：US20190322927A1

公开(公告)日：2019-10-24

申请号：US16459484

申请日：2019-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

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

Abstract: 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：US10184078B2

公开(公告)日：2019-01-22

申请号：US15871070

申请日：2018-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

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

Abstract: 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：US09590186B2

公开(公告)日：2017-03-07

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 ,  C09K11/06 ,  H01L51/50

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。 用于有机电致发光器件的材料包括由下式1表示的化合物。

公开(公告)号：US11527726B2

公开(公告)日：2022-12-13

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:

公开(公告)号：US11050025B2

公开(公告)日：2021-06-29

申请号：US15066999

申请日：2016-03-10

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 ,  C07D333/76 ,  C07D307/91 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

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 1.

公开(公告)号：US11018306B2

公开(公告)日：2021-05-25

申请号：US15952630

申请日：2018-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Nobutaka Akashi

IPC: C07D471/10 ,  C07D519/00 ,  C07F5/02 ,  C07F7/08 ,  C07F7/30 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: Provided are a compound for thermally activated delayed fluorescence having a molecular aspect ratio of 1.5 or more, represented by the following Formula 1 and an organic electroluminescence device including the same in an emission layer. The organic electroluminescence device 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.

公开(公告)号：US10385262B2

公开(公告)日：2019-08-20

申请号：US16233058

申请日：2018-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

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

Abstract: 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：US20190136127A1

公开(公告)日：2019-05-09

申请号：US16233058

申请日：2018-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： Toshiyuki Matsuura ,  Hiroaki Itoi ,  Naoya Sakamoto ,  Nobutaka Akashi

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

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

Abstract: 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：US20160197283A1

公开(公告)日：2016-07-07

申请号：US15066999

申请日：2016-03-10

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 ,  C07D333/76 ,  C07D307/91 ,  C09K11/02

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 1.

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1表示。