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Abstract
Changes in the electro-optic performance of polymer dispersed liquid crystal (PDLC) films caused by partial fluorination of the epoxy polymer binder have been investigated. The switching performance of the PDLC films was characterized by threshold voltage, rise time, fall time and contrast ratio. The results indicate that fluorine substitution in the polymer can cause a better phase separation, resulting in significant increases in the contrast ratio as well as large decreases in the fall time.
