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ORGANIC LIGHT-EMITTING DEVICE HAVING A COLOR-NEUTRAL DOPANT IN A HOLE-TRANSPORT LAYER AND/OR IN AN ELECTRON-TRANSPORT LAYER
ORGANIC LIGHT-EMITTING DEVICE HAVING A COLOR-NEUTRAL DOPANT IN A HOLE-TRANSPORT LAYER AND/OR IN AN ELECTRON-TRANSPORT LAYER
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机译:在空穴传输层和/或电子传输层中具有彩色中性掺杂剂的有机发光器件
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摘要
Disclosed are organic electroluminescent devices comprising a substrate, an anode and a cathode disposed over the substrate, an emission layer (EML) disposed between the anode and the cathode, a hole-transport layer (HTL) disposed between the anode and the emission layer, and an electron-transport layer (ETL) disposed between the cathode and the emission layer. A sublayer of the HTL, the ETL, or both the HTL and the ETL comprises a derivative of anthracene as a color-neutral dopant, the sublayer being adjacent to the EML. A color-neutral dopant is a dopant whose presence does not alter the electroluminescent color of the device.
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