Abstract
Abstract The effects of the UV intensity during the curing process on the electro-optical characteristics of polymer dispersed ferroelectric liquid crystal (PDFLC) have been investigated. The films produced with low UV intensity show great channel spacing, high contrast ratio and short optical switching time. Dielectric measurement is reported by taking the series-connected dielectric composite model consisting of the FLC phase and the polymer matrix. From the dielectric model calculated, E °FLC/E °EXT as a function of frequency decreases with increasing UV intensity. This result can be attributed to the decrease of the dielectric constant of the polymer matrix ϵp . The change of dielectric constant with the varying UV intensity is similar to the optical transmission property. It can be explained by the orientational effect of FLC material.
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