Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshitaka Kitamura0
Date of Patent
November 18, 2008
0Patent Application Number
110338780
Date Filed
January 13, 2005
0Patent Primary Examiner
Patent abstract
The present invention provides a light emitting element comprising a pair of electrodes and one or more organic compound layers including a luminescent layer disposed between the pair of electrodes. In this structure, the luminescent layer includes at least one charge transport material and at least one light emitting material, and comprises a laminated structure having two or more laminates including a plurality of layers including the light emitting material in different concentrations.
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