Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/099155
Kind Code:
A1
Abstract:
The present invention provides an organic EL element having, in order, at least an anode, a hole transport layer, an emissive layer, an electron transport layer, and a cathode, wherein the organic EL element is characterized in that the hole transport layer includes an arylamine compound represented by general formula (1), and the emissive layer includes a dihydroindenoindole derivative represented by general formula (2) or a carbazole derivative represented by general formula (3). This organic EL element is highly efficient and has a low drive voltage and, in particular, a long service life.
Inventors:
HAYASHI SHUICHI (JP)
KABASAWA NAOAKI (JP)
YAMAMOTO TAKESHI (JP)
MOCHIZUKI SHUNJI (JP)
KABASAWA NAOAKI (JP)
YAMAMOTO TAKESHI (JP)
MOCHIZUKI SHUNJI (JP)
Application Number:
PCT/JP2016/086458
Publication Date:
June 15, 2017
Filing Date:
December 07, 2016
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
H01L51/50; C09K11/06; C07C211/54; C07C211/61
Domestic Patent References:
WO2014129201A1 | 2014-08-28 | |||
WO2008062636A1 | 2008-05-29 | |||
WO2011059000A1 | 2011-05-19 | |||
WO2003060956A2 | 2003-07-24 | |||
WO2014009310A1 | 2014-01-16 |
Foreign References:
KR20150111106A | 2015-10-05 | |||
KR20150042386A | 2015-04-21 | |||
JP2016100364A | 2016-05-30 | |||
JP2016076566A | 2016-05-12 | |||
JPH0848656A | 1996-02-20 | |||
JP3194657B2 | 2001-07-30 | |||
JP4943840B2 | 2012-05-30 | |||
JP2006151979A | 2006-06-15 | |||
JP2014513064A | 2014-05-29 | |||
KR20130060157A | 2013-06-07 | |||
JPH07126615A | 1995-05-16 | |||
JP2005108804A | 2005-04-21 |
Other References:
See also references of EP 3389106A4
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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