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Title:
ORGANIC ELECTROLUMINESCENCE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/159919
Kind Code:
A1
Abstract:
An organic EL element having at least, in the stated order, an anode, a hole transport layer, a light emission layer, an electron transport layer, and a cathode, wherein the hole transport layer contains an indenophenanthrene compound represented by general formula (1a) or general formula (1b).

Inventors:
SURUGA KAZUYUKI (JP)
KO SANG-WON (JP)
YAMAMOTO TAKESHI (JP)
Application Number:
PCT/JP2019/004948
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
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Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
H01L51/50
Domestic Patent References:
WO2015190400A12015-12-17
WO2018008718A12018-01-11
WO2016006629A12016-01-14
WO2016104289A12016-06-30
WO2008062636A12008-05-29
WO2014009310A12014-01-16
Foreign References:
CN105778891A2016-07-20
KR20140021293A2014-02-20
KR20130110347A2013-10-10
JPH0848656A1996-02-20
JP3194657B22001-07-30
JPS4943840B11974-11-25
JP2006151979A2006-06-15
JP2018025363A2018-02-15
Other References:
JAPAN SOCIETY OF APPLIED PHYSICS NINTH WORKSHOP PREPRINT, 2001, pages 23 - 31
APPL. PHYS. LET., vol. 98, 2011, pages 083302
ORGANIC EL DEBATE THIRD REGULAR MEETING PREPRINT, 2006, pages 13 - 14
See also references of EP 3754739A4
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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