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US07956528B2 Organic electroluminescent device comprising ceramic sheet and graphite sheet 有权
包含陶瓷片和石墨片的有机电致发光器件

Organic electroluminescent device comprising ceramic sheet and graphite sheet
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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