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Dynamic characteristics of dual-frequency nematic liquid crystal with quasi-homeotropic twist structure

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Abstract

Dynamic characteristics of a liquid crystal (LC) cell with a quasi-homeotropic twist structure formed in a dual-frequency nematic liquid crystal (DFNLC) layer with the director pretilt angle increased to 60° have been experimentally studied. The cell was switched from the off to on state using a 30-kHz electric field, while the reverse (off/on) switching was effected by a 1-kHz field. An increase in the director pretilt angle allowed the switch-on time of a 6.4-μm-thick DFNLC cell to be reduced to 1 ms and the relaxation (switch-off) time, to 0.5 ms.

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Correspondence to E. A. Konshina.

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Original Russian Text © E.A. Konshina, M.A. Fedorov, L.P. Amosova, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 14, pp. 1–6.

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Konshina, E.A., Fedorov, M.A. & Amosova, L.P. Dynamic characteristics of dual-frequency nematic liquid crystal with quasi-homeotropic twist structure. Tech. Phys. Lett. 36, 636–638 (2010). https://doi.org/10.1134/S1063785010070151

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  • DOI: https://doi.org/10.1134/S1063785010070151

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