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http://dx.doi.org/10.1080/15980316.2011.621319

Integration of solution-processed polymer thin-film transistors for reflective liquid crystal applications  

Kim, Sung-Jin (College of Electrical and Computer Engineering, Chungbuk National University)
Kim, Min-Hoi (School of Electrical Engineering, Seoul National University)
Suh, Min-Chul (Department of Information Display, Kyung Hee University)
Mo, Yeon-Gon (R&D Center, Samsung Mobile Display, Co., Ltd.)
Chang, Seung-Wook (R&D Center, Samsung Mobile Display, Co., Ltd.)
Lee, Sin-Doo (School of Electrical Engineering, Seoul National University)
Publication Information
Journal of Information Display / v.12, no.4, 2011 , pp. 205-208 More about this Journal
Abstract
Herein, the integration of solution-processed polymer thin-film transistors (TFTs) that were fabricated using selective wettability through ultraviolet (UV) exposure into a reflective liquid crystal display is demonstrated. From the experimental results of energy-dispersive spectroscopy, the composition of carbon and fluorine enhancing the hydrophobicity in the polymer chains was found to play a critical role in the wetting selectivity upon UV exposure. The polymer TFTs fabricated through the wettability-patterning process exhibited long-term stability and reliability. This wetting-selectivity-based patterning technique will be useful for constructing different types of solution-processed electronic and optoelectronic devices.
Keywords
wetting selectivity; solution-processed; hydrophobic; polymer TFT; liquid crystal display;
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