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US09136477B2 Light emissive device 有权
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Light emissive device
摘要:
An organic light emissive device, which comprises: an anode; a cathode; and an organic light emissive region between the anode and the cathode, which region comprises a polymeric electroluminescent material; wherein the emission from the polymeric electroluminescent material is color shifted by the presence of a color shifting unit in the polymer.
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