Invention Application
US20140070178A1 ORGANIC LIGHT-EMITTING DEVICE 有权
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ORGANIC LIGHT-EMITTING DEVICE
Abstract:
An organic light-emitting device including: a substrate; a transparent cathode on the substrate; an anode disposed opposite to the cathode; an emission layer between the cathode and the anode; and a first electron transport layer between the cathode and the emission layer and including an imidazole derivative.
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