ITE Transactions on Media Technology and Applications
Online ISSN : 2186-7364
ISSN-L : 2186-7364
Special Section on OLED Displays and Related Technologies
[Paper] A Flexible Display Driven by Oxide-Thin-Film Transistors and Using Inverted Organic Light-Emitting Diodes
Genichi Motomura, Yoshiki Nakajima, Tatsuya Takei, Toshimitsu Tsuzuki, Hirohiko Fukagawa, Mitsuru Nakata, Hiroshi Tsuji, Takahisa Shimizu, Katsuyuki Morii, Munehiro Hasegawa, Yoshihide Fujisaki, Toshihiro Yamamoto
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Keywords: flexible display, oxide TFT, inverted OLED
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2015 Volume 3 Issue 2 Pages 121-126

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Abstract

An 8-inch oxide-TFT-driven flexible display using inverted organic light-emitting diodes (iOLEDs) with an inverted device structure was demonstrated. We employed iOLEDs with an air-stable electron injection layer and longer lifetime. An oxide-TFT backplane having good electrical performances (mobility ~7 cm2/Vs, on/off ratio >107) was also fabricated on a plastic substrate at low temperature (i.e., below 160 °C). The fabricated flexible iOLED display showed clear and stable color moving images and produced uniform RGB emissions from each pixel, even when it was bent.

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© 2015 The Institute of Image Information and Television Engineers
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