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We show that a novel effect, electro wetting, can be the basis of passive displays which (i) switch reversibly from transparent to white, (ii) have fast response time (1.0 ms),and (iii) can be operated with low voltages (1.0 V) and low power consumption (1.0 mW/cm2). We derive the operating parameters and report experiments demonstrating the concept of electro-wetting displays.
Beni et al. (Sun,) studied this question.