Flexible organic light-emitting diodes with ITO/Ag/ITO multi-layers as anodes

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The transparent ITO/Ag/ITO multi-layers are developed as anodes on flexible PET (poly(ethylene terephthalate)) substrates. The influence of these anodes on FOLED (Flexible Organic Light-emitting Diodes) is investigated. From the results of research, it can be seen that the multi-layer anode has optimum characteristics, whose sheet resistance is 11 Ω and optical transmittance is about 80%, when the thickness of Ag sandwiched by two ITO layers is in the range of 14-18 nm. It is demonstrated that the OLED devices with multi-layer anodes give better luminescence and higher efficiency compared with those with single ITO anodes. The influence of these anodes on FOLED (Flexible Organic Light-emitting Diodes) is investigated. From the results of research, the transparent ITO / Ag / ITO multi-layers are developed as anodes on flexible PET it can be seen that the multi-layer anode has optimum characteristics, whose sheet resistance is 11 Ω and optical transmittance is about 80%, when the thickness of Ag sandwiched by two ITO layers is in the range of 14-18 nm. demonstrated that the OLED devices with multi-layer anodes give better luminescence and those with single ITO anodes.
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