Abstract

In this paper we present analytical and numerical calculations of electric field profile for interdigital electrode configuration and corresponding threshold voltage. Our results for threshold voltage for nematic director reorientation take account of non-homogeneous profile of the electric field in the IPS mode. We found there exists optimal ratio between cell thickness, electrode width and electrode gap which corresponds to minimal value of the threshold voltage. Our results on operating voltage dependence on the cell thickness and electrode gap are in good agreement with the experimental data.

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