Simple transfer technology for fabrication of TFT backplane for flexible displays

Toshihiro Yamamoto, Tatsuya Takei, Yoshiki Nakajima, Yoshihide Fujisaki, Tadahiro Furukawa, Masayuki Hosoi, Akihiro Kinoshita, Hideo Fujikake

研究成果: Article査読

6 被引用数 (Scopus)


A new simple transfer technology for the realization of flexible thin-film transistors (TFTs) on a plastic substrate has been developed. The basic principle of the proposed method is that, after all the fabrication processes for the TFT array on a temporary adhesive layer coated on a glass substrate have been completed, the TFT is then transferred onto a plastic film. A 5.8-in-diagonal wide-quarter quarter video graphics array (QVGA) organic TFT array and a 5-in-diagonal QVGA oxide TFT array were fabricated on the temporary adhesive layer. We confirmed that the degree of substrate deformation for the proposed technology was less than that for the conventional direct formation method. We also transferred both TFT arrays to plastic films and confirmed that no significant degradation in the electrical characteristics of the TFTs has occurred as a result of the transfer process. It is considered that this will be a key technology for the fabrication of large flexible displays with TFT backplanes.

ジャーナルIEEE Transactions on Industry Applications
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 産業および生産工学
  • 電子工学および電気工学


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