Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
Organic electroluminescence element
Document Type and Number:
Japanese Patent JP6278894
Kind Code:
B2
Abstract:
The present invention provides an amine compound represented by formula (1) and furnished with a benzofluorene structure, the amine compound further having a dibenzofuran structure and/or a dibenzothiophene structure. The present invention also provides an organic electroluminescence element having an organic thin-film layer comprising one or more layers that include at least a light-emitting layer, the organic thin-film layer being held between an anode and a cathode, wherein at least one layer in the organic thin-film layer contains the amine compound either alone or as a component of a mixture (in formula (1), n is an integer of 1-4, B is a structure represented by formula (2), and A is an amino site represented by formula (4)). The organic electroluminescence element has high efficiency and a long service life.

Inventors:
Hirokatsu Ito
Takeshi Ikeda
Kawamura Masahiro
Yumiko Mizuki
Application Number:
JP2014544596A
Publication Date:
February 14, 2018
Filing Date:
October 31, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IDEMITSU KOSAN CO.,LTD.
International Classes:
C07D307/91; C07F7/10; C09K11/06; H01L51/50
Foreign References:
WO2012015265A1
WO2011021520A1
WO2010122810A1
WO2011059099A1
WO2012026780A1
WO2009084512A1
WO2014065391A1
WO2014037077A1
Attorney, Agent or Firm:
Tamotsu Otani
Arinaga Shun



 
Previous Patent: Interactive multi-mode picture search

Next Patent: HYBRID IC