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Title:
ORGANIC ELECTRICAL FIELD LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2014/097813
Kind Code:
A1
Abstract:
Provided is a practically useful organic EL element having high efficiency and high drive stability at low voltage. This organic EL element has a light-emitting layer and other organic layers between an opposing positive electrode and negative electrode, the light-emitting layer containing at least two host materials and at least one light-emitting dopant. Among the host materials, at least one is selected from among compounds having one or two indolocarbazole skeletons, and at least one of the other host materials is selected from among carbazole compounds in which a dibenzofuran or a dibenzothiophene is substituted.

Inventors:
TADA MASASHI (JP)
KAI TAKAHIRO (JP)
NOGUCHI KATSUHIDE (JP)
TAKAHASHI YASUHIRO (JP)
TERAO YUHKI (JP)
TSUJI TAISHI (JP)
NAKAJIMA YUSUKE (JP)
YUKI TOSHINAO (JP)
Application Number:
PCT/JP2013/081370
Publication Date:
June 26, 2014
Filing Date:
November 21, 2013
Export Citation:
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Assignee:
NIPPON STEEL & SUMIKIN CHEM CO (JP)
PIONEER CORP (JP)
PIONEER TOHOKU CORP (JP)
International Classes:
H01L51/50; C07D405/14; C07D409/14; C07D487/04; C09K11/06
Domestic Patent References:
WO2013084885A12013-06-13
WO2013145923A12013-10-03
WO2011136755A12011-11-03
WO2013168688A12013-11-14
WO2013038804A12013-03-21
WO2008056746A12008-05-15
WO2009136596A12009-11-12
WO2010098246A12010-09-02
WO2011132683A12011-10-27
WO2011132684A12011-10-27
WO2009086028A22009-07-09
WO2005109542A12005-11-17
WO2009073245A12009-06-11
WO2009046266A12009-04-09
WO2007095118A22007-08-23
WO2008156879A12008-12-24
WO2008140657A12008-11-20
WO2008054584A12008-05-08
WO2006046980A12006-05-04
WO2005113704A22005-12-01
WO2005076380A22005-08-18
WO2004045001A22004-05-27
WO2004045000A22004-05-27
WO2006100888A12006-09-28
WO2007004380A12007-01-11
WO2007023659A12007-03-01
WO2008035664A12008-03-27
Foreign References:
JP2011509247A2011-03-24
JPH11176578A1999-07-02
JP2012028634A2012-02-09
JP2012049518A2012-03-08
JPH05234681A1993-09-10
JPH0753953A1995-02-28
JPS63295695A1988-12-02
US20080261076A12008-10-23
JP2008542203A2008-11-27
JP2008505925A2008-02-28
JP2007522126A2007-08-09
JP2004506305A2004-02-26
JP2006513278A2006-04-20
JP2006050596A2006-02-16
US20050260449A12005-11-24
US20050260448A12005-11-24
US20050214576A12005-09-29
US20050119485A12005-06-02
JPS59194393A1984-11-05
US5645948A1997-07-08
JPH06207169A1994-07-26
JPH05331459A1993-12-14
Other References:
APPL. PHYS. LETT., vol. 60, 1992, pages 2711
J. LUMIN., vol. 72-74, 1997, pages 985
CHEM. COMMUN., 1996, pages 2175
SYNTH. METALS, vol. 91, 1997, pages 209
POLYM. ADV. TECH., vol. 7, 1996, pages 33
APPL. PHYS. LETT., vol. 64, 1994, pages 1245
OPTICAL MATERIALS, vol. 9, 1998, pages 125
SYNTH. MET., vol. 91, 1997, pages 73
J. PHYS. D, VOL., vol. 29, 1996, pages 2750
See also references of EP 2933851A4
Attorney, Agent or Firm:
SASAKI Kazuya et al. (JP)
Kazuya Sasaki (JP)
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