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http://dx.doi.org/10.4313/TEEM.2013.14.2.82

Electro-optical Properties of Twisted Nematic Liquid Crystal Displays Fabricated with TIPS-pentacene Doping  

Lee, Jin-Woo (Technology Policy Department, Korea Electronics Technology Institute)
Publication Information
Transactions on Electrical and Electronic Materials / v.14, no.2, 2013 , pp. 82-85 More about this Journal
Abstract
This paper introduces 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS pentacene) doped liquid crystal (LC) alignment properties on a rubbed polyimide (PI) layer as a function of the doping concentration of TIPS pentacene. Pretilt angles, photomicrographs, and electro-optical properties of TIPS pentacene doped LCs were comparable to those of pure LCs. However, TIPS pentacene in a LC medium supported twisted nematic-liquid crystal displays (TN-LCDs) to improve electro-optical properties. The threshold voltages observed in the TN cells decreased as the TIPS pentacene concentration increased. In addition, suitable response times were observed in TN cells.
Keywords
Liquid crystal orientation; TIPS pentacene; Electro-optical property; TN cell;
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