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Fabrication of Organic IC based on Pentacene TFTs on Plastic Substrate  

Xu, Yong-Xian (Media Device Lab, Dong-A University)
Hwang, Sung-Beom (Subdivision of Information Communication, Kyungnam College of Information & Technology)
Song, Chung-Kun (Dept. of Electronics Eng., Dong-A University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.44, no.11, 2007 , pp. 9-14 More about this Journal
Abstract
In this article, the organic integrated circuits such as inverter, ring oscillator, NAND and NOR gates, and rectifier have been fabricated on PEN substrate by using pentacene TFTs, The OTFTs used bottom contact structure and produced the average mobility of 0.26 $cm^2/V.sec$ and on/off current ratio of $10^5$. All circuits successfully worked as the simulation results. Especially, the rectifier was able to operate up to 1 MHz input AC signals, and ring oscillator exhibited oscillation frequency of 1MHz at 40 V. Based on the results of organic integrated circuits we could confirm the possibility of the low cost RFID tags and flexible display with OTFTs.
Keywords
OTFT; pentacene; Organic IC; Plastic IC;
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