Abstract
A three-dimensional numerical study for understanding the fringe-field effect on the dynamic behavior of liquid crystal is presented. Our three-dimensional numerical simulator (TechWiz LCD) is based on the FEM (finite element method) formulation of Ericksen-Leslie equation, flow equation, and Laplace equation. Since our FEM solver has a fully unstructured mesh generator, it is possible to investigate the dynamic performance of any mode of LC cell with an arbitrarily shaped electrode structure including a chevron-type LC cell. In this paper, we report our preliminary result on the simulation of the dynamic behavior of the fringe-filed switching (FFS) mode LC cell that is designed for the fast response and wide viewing angle. The simulated dynamic response of the director distribution for the FFS-mode LC cell is also compared with experimental observations. The simulation reveals that most of the directors over the LC cell experience horizontal rotations despite the existence of both the vertical and the horizontal electric fields in the LC cell.
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