Article ID Journal Published Year Pages File Type
1673536 Thin Solid Films 2008 4 Pages PDF
Abstract

Effects of the Leslie viscosity coefficients αi (i = 1, 2, …, 5) of nematic liquid crystals (NLCs) with negative dielectric anisotropy (Δε < 0) on the electric-field-induced director reorientation in homeotropic NLC cells have been studied from the analysis of the transient current induced by step voltage application. The transient current in a homeotropic NLC cell with Δε < 0 was well reproduced by computer simulation, based on the theory of NLCs in which the flow effects and the free-slip boundary condition are taken into account. It is found that the response time of vertical alignment NLC displays is dominantly governed by α2 and α4 + α5 of NLCs with Δε < 0.

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Physical Sciences and Engineering Materials Science Nanotechnology
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