Title:
有機電界発光素子
Document Type and Number:
Japanese Patent JP6581663
Kind Code:
B2
Abstract:
Provided is an organic electroluminescent device (1), comprising an anode (20), a cathode (80) and an organic layer, wherein the organic layer is one or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is a host-guest doped system consisting of a host material and a guest material, a light-emitting region of the light-emitting layer (50) is 490-750nm, the host material has a compound having a structure shown in a formula (I), and the organic electroluminescent device emits red light or green light and has the advantages of good electroluminescent efficiency, excellent color purity and long service life.
Inventors:
Rou Nishiki
Lee Satoshi
Chen Shin
Cai Rei
Lee Satoshi
Chen Shin
Cai Rei
Application Number:
JP2017547507A
Publication Date:
September 25, 2019
Filing Date:
September 01, 2015
Export Citation:
Assignee:
Guangdong Aca Tongya Photoelectric Material Co., Ltd.
Beijing Asabu Technology Development Co., Ltd.
Beijing Asabu Technology Development Co., Ltd.
International Classes:
H01L51/50; C07C15/27; C09K11/06
Domestic Patent References:
| JP2003229273A | ||||
| JP2015216245A | ||||
| JP2012522042A | ||||
| JP2004067528A | ||||
| JP2007084828A |
Foreign References:
| KR1020110081698A | ||||
| US20080079356 | ||||
| KR1020090065201A |
Attorney, Agent or Firm:
Ebisu International Patent Office