Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 4, 2010
Patent Application Number
11028734
Date Filed
January 5, 2005
Patent Primary Examiner
Patent abstract
An organic electroluminescence device is disclosed which comprises an emitting layer and a hole blocking layer disposed between an electron injecting electrode (cathode) and a hole injecting electrode (anode), the material for the hole blocking layer being expressed by the following chemical formula 1:
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