A new colored electro-optical film obtained by means of an oriented cholesteric liquid crystal (LC) confined in droplets dispersed in an organic-monomer matrix is presented. The cholesteric LC pitch can be adjusted using a photosensitive chiral material in order to produce the three primary reflected colors (see Figure). Morphology, response times (τON and τOFF), and reflection spectra of such films are reported.
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Nicoletta et al. (2005) studied this question.
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