15 February 2017 Wide-temperature high-speed operation of a nematic liquid crystal cell
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Abstract
We introduce drive schemes for fast switching of nematic liquid crystals (LCs) using three-terminal electrodes. Fast switching of LCs can be achieved by employing a vertical trigger pulse, by applying a vertical bias field, and by employing quasi-impulsive driving and overdrive. By applying high vertical and in-plane trigger pulse voltages between frames to an LC cell, the response time of the LC cell at -20°C was decreased by 12.5 times compared to that of a conventional fringe-field switching (FFS) cell. In addition to providing a fast response, the LC cell exhibited the same high transmittance as an FFS cell over a wide temperature range.
Conference Presentation
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Tae-Hoon Choi, Jung-Wook Kim, Tae-Hoon Yoon, "Wide-temperature high-speed operation of a nematic liquid crystal cell", Proc. SPIE 10125, Emerging Liquid Crystal Technologies XII, 101251H (15 February 2017); doi: 10.1117/12.2253681; https://doi.org/10.1117/12.2253681
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