Investigation of SSFLCD director configurations using optical transmission symmetry

Abstract

The operation of a Surface Stabilised Ferroelectric Liquid Crystal Device (SSFLCD), suitable for full colour multiplexed displays, depends critically on the configuration of the directors within the device. We present experimental and theoretical results, using optical transmission symmetry, made on devices with various surface treatments, showing evidence of both 'tilt' and 'twist' deformations. 'Bend' deformations and the effect of an ac bias are also discussed.