Title:
Organic electroluminescence element
Document Type and Number:
Japanese Patent JP6058531
Kind Code:
B2
Abstract:
An organic electroluminescent device comprises, between an anode and a cathode, a hole injection layer, a hole-transporting layer, a luminous layer and an electron-transporting layer, wherein the hole injection layer contains an arylamine compound (±) having three or more triphenylamine skeletons, the hole-transporting layer contains an arylamine compound (²) having two triphenylamine skeletons, and the electron-transporting layer contains an electron-transporting compound having an anthracene ring skeleton and a pyridoindole ring skeleton. The organic EL device emits light highly efficiently, drives on a low voltage, and features excellent durability and long life.
Inventors:
Norimasa Yokoyama
Eiji Takahashi
Shuichi Hayashi
Daizo Kanda
Hiroshi Okuma
Eiji Takahashi
Shuichi Hayashi
Daizo Kanda
Hiroshi Okuma
Application Number:
JP2013512023A
Publication Date:
January 11, 2017
Filing Date:
April 17, 2012
Export Citation:
Assignee:
Hodogaya Chemical Co., Ltd.
International Classes:
H01L51/50; C07C211/54; C07D471/04; C09K11/06
Domestic Patent References:
| JP5832746B2 | 2015-12-16 | |||
| JP5719308B2 | 2015-05-13 | |||
| JP5832746B2 | 2015-12-16 | |||
| JP5719308B2 | 2015-05-13 |
Foreign References:
| WO2010035723A1 | 2010-04-01 | |||
| WO2010114256A2 | 2010-10-07 | |||
| WO2011059000A1 | 2011-05-19 | |||
| US20090230857A1 | 2009-09-17 | |||
| WO2009139475A1 | 2009-11-19 | |||
| WO2010035723A1 | 2010-04-01 | |||
| WO2010114256A2 | 2010-10-07 | |||
| WO2011059000A1 | 2011-05-19 |
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki
Sayaka Hirakawa
Sachiko Okunuki
Sayaka Hirakawa
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