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High Performance Polymer Light-Emitting Devices

DOI: 10.4236/wjnse.2014.41003, PP. 16-20

Keywords: PLED, Current Efficiency, Power Efficiency, Current Density

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In order to improve the performance of polymer light-emitting devices, driving voltages, current efficiency, luminance and power efficiency of different cathode metals such as Ca/Al, CsF/Al, LiF/Al and LiF/Ca/Ag were compared. The results show that cathode metals CsF/Al contain the highest current efficiency, maximum luminance and power efficiency. Therefore, we can choose the CsF/Al to be the cathode for improving the performance of polymer light-emitting devices.


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