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Polymer-dispersed liquid crystal devices using highly conducting polymers as electrodes

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7 Author(s)
Kim, Jin-Yeol ; School of Advanced Materials Engineering, Kookmin University, Seoul 136-702, Republic of Korea ; Woo, Hak-Yong ; Baek, Ji-Woong ; Kim, Tae-Wook
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Flexible all-organic polymer-dispersed liquid crystal (PDLC) devices were fabricated by using highly transparent and conductive poly(3,4-ethylenedioxy thiophene): p-toluene sulfonate (PEDOT:PTS) films, as electrode layers. These conductive PEDOT:PTS films have a high transparency up to 80%, and possess a very low sheet resistance of 100 Ω sq-1 at 100 nm thickness. We report on the fabrication and characterization of a PDLC device using a highly conductive PEDOT:PTS for the electrodes and demonstrate its superior performance relative to that of a similar device using the indium tin oxide layer as the electrodes.

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Applied Physics Letters  (Volume:92 ,  Issue: 18 )