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Park, Lee Soon
School of Materials Science and Engineering
Research Interests
  • Flexible OLED new materials, process and fabrication

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ITO/Ag/ITO Multilayer Polymer Films by Roll-to-Roll Process and Performance of Flexible OLED Devices

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Title
ITO/Ag/ITO Multilayer Polymer Films by Roll-to-Roll Process and Performance of Flexible OLED Devices
Author
Oh, Chang SeokLee, Hyung JinLee, Eun JiPark, Lee Soon
Keywords
OLED; flexible OLED; roll-to-roll process; TCO film; flexible substrate; THIN-FILMS; ITO
Issue Date
2011
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.551, no., pp.78 - 85
Abstract
In this study polyethylene naphthalate(PEN) and polyethersulfone(PES) films were chosen as a flexible substrates for fabrication of organic light emitting diode(OLED) devices. Hard coating was applied on both PEN and PES films utilizing UV curable resin. The transparent conductive ITO/Ag/ITO multilayer was deposited by the roll-to-roll sputter on the polymer films with hard coating. The UV hard coating of thin film on the polymer films improved both the surface roughness (50% in case of PEN film) and the transmittance in the visible region. In the subsequent multilayer transparent conductive layer formation, the optimum condition was obtained in the ITO(50 nm)/Ag(17 nm)/ITO(50 nm) multilayer structure. The OLED's fabricated with the optimized multilayer conductive films exhibited high luminance and current efficiency under low operation voltages
URI
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DOI
http://dx.doi.org/10.1080/15421406.2011.600149
ISSN
1542-1406
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