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Title:
有機EL素子およびその製造方法
Document Type and Number:
Japanese Patent JP5744061
Kind Code:
B2
Abstract:
The present invention is to provide a method of favorably forming an organic EL device with the inverted structure by the wet process. On that account, an organic EL device includes a cathode, an electron injection layer, a light emitting layer, a hole transport layer, a hole injection layer, an anode are formed in this order on a substrate. The electron injection layer is formed by applying ink between banks and drying the ink. The ink is formed by dissolving a polymer compound having an organic phosphine oxide skeleton in an alcohol solvent. The light emitting layer is formed by applying ink between components of the bank and the drying the ink. The ink is formed by dissolving material for light emitting layer such as polyphenylene vinylene (PPV) derivative or polyfluorene derivative in a nonpolar solvent.

Inventors:
Kenji Okumoto
Gosuke Sakamoto
Shunomi Shibata
Izumi Kakiki
Masanori Watanabe
Tomoko Matoba
Mitsuharu Nado
Yasuyuki Goto
Application Number:
JP2012549490A
Publication Date:
July 01, 2015
Filing Date:
December 24, 2010
Export Citation:
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Assignee:
Joled Co., Ltd.
Daiden Co., Ltd.
Kyushu Electric Power Co., Inc.
International Classes:
H05B33/10; C08G79/04; C09K11/06; H01L51/50
Domestic Patent References:
JP2007517079A2007-06-28
JP2007224282A2007-09-06
JP2003332075A2003-11-21
JP2010146822A2010-07-01
JP2010189454A2010-09-02
JP2003347061A2003-12-05
JP2006073583A2006-03-16
JP2009158756A2009-07-16
Foreign References:
WO2009147011A12009-12-10
Attorney, Agent or Firm:
Patent business corporation Nakajima intellectual property integrated office
Shiro Nakajima
Kobayashi Kunito
Koji Kawabata
Koichi Kimura
Yukio Tsuchida
Nakajima Anyo
Yoshibayashi Kobayashi