In this thesis, we successfully fabricated the polymer dispersed liquid crystal (PDLC) films with very large liquid crystal (LC) droplets through phase separation process cured under very weak ultraviolet (UV) light. The electro-optic properties of our samples were investigated and the results were very different with normal PDLC films, especially in the high voltage regions. The novel phenomenon we observed were resulted form the electrohydrodynamics (EHD) instabilities occurred inside the LC droplets. A series of experiments with different conditions; changed polymer materials, changed LC-polymer concentration, changed films thickness, changed angle and polarization direction of incident light; were completed. All the experimented results were accordant with our inference mentioned above.
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