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Dynamic behaviors of dual frequency liquid crystals in bistable chiral tilted-homeotropic nematic liquid crystal cell

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3 Author(s)
Hsu, Jy-Shan ; Department of Physics, Chung Yuan Christian University, 200 Chung Pei Rd., Chung Li, Taoyuan, Taiwan 32023, Republic of China ; Liang, Bau-Jy ; Chen, Shu-Hsia

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The switching behaviors of dual frequency liquid crystals (DFLC) in a bistable chiral tilted-homeotropic nematic (BHN) LC cell are simulated and compared with the observed results. This cell can be switched between tilted-homeotropic state and twisted state under the applied voltage as low as 5 V. The reason for the low switching voltage is attributed to the dielectric anisotropy character of DFLC. The analysis also shows that the switching wave form accelerates the switching behaviors of the directors which results in faster response in BHN LC cell.

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Applied Physics Letters  (Volume:89 ,  Issue: 5 )