Title:
有機エレクトロルミネッセンス素子
Document Type and Number:
Japanese Patent JP6901977
Kind Code:
B2
Abstract:
[Solving Means] According to the present invention, there is provided an organic electroluminescence element including at least an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence element being characterized in that: the hole injection layer contains an arylamine compound represented by the following general formula (1) and an electron acceptor. The organic EL element of the present invention has a high light emission efficiency and an excellent durability, as compared with the related art, while maintaining the existing low drive voltage.
Inventors:
Norimasa Yokoyama
Shuichi Hayashi
Naoaki Kabazawa
Takeshi Yamamoto
Shuichi Hayashi
Naoaki Kabazawa
Takeshi Yamamoto
Application Number:
JP2017566980A
Publication Date:
July 14, 2021
Filing Date:
February 08, 2017
Export Citation:
Assignee:
Hodogaya Chemical Co., Ltd.
International Classes:
H01L51/50; C07D307/77; C07D401/10; C09K11/06
Domestic Patent References:
| JP2007126439A | ||||
| JP2005166641A | ||||
| JP2002356462A |
Foreign References:
| KR1020100123172A | ||||
| WO2012176674A1 | ||||
| WO2015198563A1 | ||||
| KR1020110084797A | ||||
| WO2007043484A1 |
Attorney, Agent or Firm:
Junichi Omori
Mitsuru Takahashi
Teppei Nakamura
Ori Akira
Masayoshi Sekine
Ayako Kaneko
Shintaro Kanayama
Chiba Ayako
Shiraka Tomohisa
Mitsuru Takahashi
Teppei Nakamura
Ori Akira
Masayoshi Sekine
Ayako Kaneko
Shintaro Kanayama
Chiba Ayako
Shiraka Tomohisa