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Patent Searching and Data


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)
Application Number:
PCT/JP2016/086458
Publication Date:
June 15, 2017
Filing Date:
December 07, 2016
Export Citation:
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Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
H01L51/50; C09K11/06; C07C211/54; C07C211/61
Domestic Patent References:
WO2014129201A12014-08-28
WO2008062636A12008-05-29
WO2011059000A12011-05-19
WO2003060956A22003-07-24
WO2014009310A12014-01-16
Foreign References:
KR20150111106A2015-10-05
KR20150042386A2015-04-21
JP2016100364A2016-05-30
JP2016076566A2016-05-12
JPH0848656A1996-02-20
JP3194657B22001-07-30
JP4943840B22012-05-30
JP2006151979A2006-06-15
JP2014513064A2014-05-29
KR20130060157A2013-06-07
JPH07126615A1995-05-16
JP2005108804A2005-04-21
Other References:
See also references of EP 3389106A4
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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