Stability of Bistable Chiral-Tilted Homeotropic Nematic Liquid Crystal Displays

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概要

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• We investigated the effects of pretilt angle and $d/ p$ on the stability of bistable chiral-tilted homeotropic nematic (BHN) liquid crystal (LC) devices by experiments and simulation. The stability and experimental phenomena of BHN LC devices can be explained explicitly by calculating the free energies of the devices. Among the three BHN LC device varieties, $(0,2\pi)$, $(-\pi/2,3\pi/2)$, and $(\pi/2,5\pi/2)$, the former two varieties are truly bistable devices in the high pretilt angle regime. However, the $\pi/2$ and $5\pi/2$ states of the $(\pi/2,5\pi/2)$ BHN LC device will always relax to the intermediate $3\pi/2$ twisted state. We also analyze the energy barriers between the two stable states of $(0,2\pi)$ and $(-\pi/2,3\pi/2)$ BHN LC devices.

• 2007-11-15

著者

• Hsu Jy-Shan

  Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh RD, Hsinchu 300, Taiwan, R.O.C.

• Hsu Jy-Shan

  Department of Physics, Chung Yuan Christian University, 200 Chung Pei Rd., Chung Li, Taoyuan, Taiwan 32023, R.O.C.

関連論文

• Stability of Bistable Chiral-Tilted Homeotropic Nematic Liquid Crystal Displays
• Effect of Alignment Layers on Carbon-Nanotube-Doped Liquid Crystal Cells
• A Method to Determine the Higher Order Polar Anchoring Coefficients for the Non-Twisted Liquid Crystal Cells
• The Transient Behavior of the Bistable Nematic Liquid Crystal Cells
• Improved Electric Properties of Degraded Liquid Crystal Using Metal--Organic Frameworks

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