Effect of ITO/Ag/ITO Multilayer Electrode Deposited onto Glass and PET Substrate on the Performance of Organic Light-Emitting Diodes

Sang Mun Lee Advanced Display Manufacturing Research Center, Kyungpook National University, Daegu, Korea

Bo Hye Choi Mobile Display Research Center, Kyungpook National University, Daegu, Korea

Jae Soung Park Mobile Display Research Center, Kyungpook National University, Daegu, Korea

Tae Hoon Kim Mobile Display Research Center, Kyungpook National University, Daegu, Korea

Heung Kwon Bae Department of Polymer Science, Kyungpook National University, Daegu, Korea

Lee Soon Park Advanced Display Manufacturing Research Center, Kyungpook National University, Daegu, Korea; Mobile Display Research Center, Kyungpook National University, Daegu, Korea; Department of Polymer Science, Kyungpook National University, Daegu, KoreaCorrespondence[email protected]

Abstract

The transparent conductive oxide (TCO) electrode is an important part of organic light-emitting diodes (OLEDs), especially for the OLEDs based on flexible substrate. We fabricated indium tin oxide (ITO)/Ag/ITO multilayer films deposited on polyethylene terephthalate (PET) film by using sputtering technique at room temperature in order to achieve high transmittance and low sheet resistance for application to flexible OLED devices. The OLEDs made with ITO/Ag/ITO multilayer deposited on flexible film exhibited lower operating voltage and higher current efficiency than the OLEDs made with commercial single layer ITO glass substrate.

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Acknowledgments

This work was supported by the Regional Innovation Center (ADMRC) Program of Ministry of Knowledge Economy, Korea.

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Effect of ITO/Ag/ITO Multilayer Electrode Deposited onto Glass and PET Substrate on the Performance of Organic Light-Emitting Diodes

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Effect of ITO/Ag/ITO Multilayer Electrode Deposited onto Glass and PET Substrate on the Performance of Organic Light-Emitting Diodes

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