Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 7, 2011
Patent Application Number
11377275
Date Filed
March 17, 2006
Patent Primary Examiner
Patent abstract
An organic electroluminescent device is provided and includes: electrodes containing a back electrode and a transparent electrode; and a light-emitting layer disposed between the electrodes. On a side of the back electrode opposite to the light-emitting layer, a ceramic sheet having a thermal emissivity of 0.8 or more and a thickness of from 50 to 1,000 μm or a graphite sheet having a thermal conductivity of 200 W/m·K or more is provided, or the graphite sheet and the ceramic sheet adjacent thereto are provided.
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