Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2013/018850
Kind Code:
A1
Abstract:
In order to provide an organic electroluminescent element which has excellent luminous efficiency and long service life, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; an organic light emitting layer that is arranged between the positive electrode and the negative electrode; a first layer that is formed of sodium fluoride and arranged between the negative electrode and the organic light emitting layer so as to be in contact with the organic light emitting layer; and a second layer that is arranged between the first layer and the negative electrode and contains a first material and a second material, said first material being composed of an organic material and containing electrons donated from the second material.
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Inventors:
IWASAKI MASATAKA (JP)
Application Number:
PCT/JP2012/069654
Publication Date:
February 07, 2013
Filing Date:
August 02, 2012
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
PANASONIC CORP (JP)
IWASAKI MASATAKA (JP)
PANASONIC CORP (JP)
IWASAKI MASATAKA (JP)
International Classes:
H01L51/50; H05B33/26
Domestic Patent References:
WO2008035406A1 | 2008-03-27 |
Foreign References:
JP2002015873A | 2002-01-18 | |||
JP2007200776A | 2007-08-09 | |||
JP2002124381A | 2002-04-26 | |||
JP2011091059A | 2011-05-06 | |||
JP2005072012A | 2005-03-17 | |||
JP2005520307A | 2005-07-07 | |||
JP2007221097A | 2007-08-30 | |||
JP2007134677A | 2007-05-31 | |||
JP2011146749A | 2011-07-28 | |||
JP2011071392A | 2011-04-07 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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Claims: