Influence of KrF excimer laser irradiation on luminescent performance of polymer light-emitting diodes

Yow Jon Lin, Wei Yang Chou, Shih Ting Lin, Yao Ming Chen

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Abstract

In this study, we find that KrF excimer laser irradiation is an effective treatment for enhancing polymer light-emitting diode (PLED) performance, due to the increase in work function and the amount of oxygen on the indium-tin oxide (ITO) surfaces and the reduction in ITO surface roughness, resulting in a reduction in leakage current at the polymer/ITO interface and an increase in device luminance. It is indeed necessary to minimize the leakage current to prevent unnecessary wasting of power and to increase external quantum efficiency.

Original languageEnglish
Pages (from-to)L1218-L1220
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume44
Issue number37-41
DOIs
Publication statusPublished - 2005 Sep 30

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All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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