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20 August 2009 An flexible OLED driven by OTFT backplane manufactured using a scalable process
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Abstract
A full-color, top-emission active-matrix organic light-emitting diode display build on a flexible substrate (flexible OLED) has been successfully driven by organic-TFTs made by a scalable manufacturing process (lift-off and shadow mask free process). The OTFTs were fabricated with low cost metal (copper and aluminum) electrodes. The backplane architecture was developed at low temperatures (<150°C) with solution-processed organic dielectrics. The fabricated TFTs are reliable against bending stress with 2-mm radius. With this ultra high flexibility of the OTFT, the display shows no significant degradation for an operating period >25 hours with more than 10,000 times bending.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mao Katsuhara, Iwao Yagi, Akira Yumoto, Makoto Noda, Nobukazu Hirai, Ryoichi Yasuda, Toshiki Moriwaki, Shinichi Ushikura, Ayaka Imaoka, Tatsuya Sasaoka, and Kazumasa Nomoto "An flexible OLED driven by OTFT backplane manufactured using a scalable process", Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 74170W (20 August 2009); https://doi.org/10.1117/12.828846
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