Printable TFT Technologies for Electronic Paper

DOI Web Site
  • KINA Osamu
    Display Research Laboratory, Technical Research Institute, TOPPAN PRINTING CO., LTD.
  • MATSUBARA Ryohei
    Display Research Laboratory, Technical Research Institute, TOPPAN PRINTING CO., LTD.
  • ITO Yutaka
    Display Research Laboratory, Technical Research Institute, TOPPAN PRINTING CO., LTD.
  • ISHIZAKI Mamoru
    Display Research Laboratory, Technical Research Institute, TOPPAN PRINTING CO., LTD.
  • ITO Manabu
    Display Research Laboratory, Technical Research Institute, TOPPAN PRINTING CO., LTD.

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抄録

We have developed a high resolution printing method based on offset printing, which enables high resolution printing on a large area using silver nanoparticle ink. A thin-film-transistor (TFT) with a short channel length below 10μm was successfully obtained. Furthermore, we have successfully fabricated 11 inch diagonal organic TFT arrays with high precision entirely by printing processes. The fully-printed organic TFT exhibited the mobility and on/off ratio of 0.4cm2/Vs and 1.1×109, respectively. We also discuss the uniformity of 300 transistors within 2 inch diagonal area. Electrical characteristics of the TFTs were investigated in detail. These technologies have been successfully applied to demonstrate an 11 inch VGA flexible active-matrix display driven by a printed organic TFT backplane.

収録刊行物

  • 日本画像学会誌

    日本画像学会誌 50 (2), 128-134, 2011

    一般社団法人 日本画像学会

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