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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 7, Iss. 6 — Jun. 1, 2011
  • pp: 339–343

Stability of IZO and a-Si:H TFTs Processed at Low Temperature (200 °C)

Korhan Kaftanoglu, Sameer M. Venugopal, Michael Marrs, Aritra Dey, Edward J. Bawolek, David R. Allee, and Doug Loy

Journal of Display Technology, Vol. 7, Issue 6, pp. 339-343 (2011)


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Abstract

Mixed-oxide thin-film transistors (TFTs) have been extensively researched due to their improved stability under electrical bias stress compared to amorphous-silicon TFTs. However, there are many challenges before they can reach the manufacturing stage. At the Flexible Display Center (FDC), Arizona State University, Tempe, we are developing a low temperature indium–zinc–oxide (IZO) TFT process suitable for flexible substrates such as polyethylene naphthalate (PEN). We report the effect of bias stress on the performance of these IZO TFTs and compare it with a-Si:H TFTs. We also report the design and fabrication of a 3.8-in QVGA electrophoretic display on PEN substrate using IZO TFT backplane.

© 2011 IEEE

Citation
Korhan Kaftanoglu, Sameer M. Venugopal, Michael Marrs, Aritra Dey, Edward J. Bawolek, David R. Allee, and Doug Loy, "Stability of IZO and a-Si:H TFTs Processed at Low Temperature (200 °C)," J. Display Technol. 7, 339-343 (2011)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-7-6-339

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