Dielectrowetting-based manipulation of droplet and application in light valve
2013
Dielectrowetting is a powerful technique in manipulation of droplet. The key feature of
dielectrowetting is the ability of a non-uniform and decay electric field to reversibly alter the energy
balance of a droplet above a solid surface and change the contact angle of the droplet by employing
microfabricated interdigitated electrodes. The contact angle versus voltage is presented and the effects
of using different AC frequencies are also discussed. Special attention is dedicated to
dielectrowetting-based light control system. The transmission spectrum of the light valve can be
controlled with various voltages. This work facilitates us to improve and optimize the performance of
light valve device operations.
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