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Electro-optics of liquid crystal cells utilizing weakly conducting polymers as electrodes and alignment layers
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Paper Abstract

Electrodes and alignment layers are major components of practically any liquid crystal device. Typically, indium-tin oxide films serve as electrodes (to apply an external voltage across the liquid crystal layer) whereas polyimide-based polymers (alignment layers) provide the required alignment of liquid crystals. Conducting polymers can combine the afore-mentioned two functions thus serving as both electrodes and alignment layers. In the majority of the reported studies, highly conducting polymers were used. On the contrary, in this paper, we report on electro-optics of liquid crystal cells utilizing weakly conducting polymers. Both static and time electro-optical response are analyzed. The designed cells are characterized by some interesting electro-optical features including the dependence of the effective threshold voltage on the frequency (0-1000 Hz) of the applied electric field. The model of this frequency dependence of the effective threshold voltage is discussed. Our results suggest that weakly conducting polymers are very promising materials for the development of flexible and wearable liquid crystal devices.

Paper Details

Date Published: 1 March 2019
PDF: 8 pages
Proc. SPIE 10941, Emerging Liquid Crystal Technologies XIV, 1094109 (1 March 2019); doi: 10.1117/12.2508784
Show Author Affiliations
Y. Garbovskiy, Univ. of Colorado at Colorado Springs (United States)
A. Glushchenko, Univ. of Colorado at Colorado Springs (United States)


Published in SPIE Proceedings Vol. 10941:
Emerging Liquid Crystal Technologies XIV
Liang-Chy Chien; Dirk J. Broer; Igor Muševič; Byoungho Lee, Editor(s)

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