METHOD OF CONTROLLING OPTICAL SIGNAL MODULATION IN LIQUID CRYSTAL DEVICE Russian patent published in 2014 - IPC G02F1/01 

FIELD: physics.

SUBSTANCE: method of controlling optical response of a liquid crystal device includes applying ac voltage with a rectangular signal of a different frequency across the liquid crystal device, wherein the polarity of the potential at the electrodes does not change as a result of using a unipolar square waveform. To control optical signal switching, the liquid crystal devices employ direct current pulses and ac voltage with a sinusoidal and rectangular pulse of a different frequency.

EFFECT: faster optical signal switching with simultaneous reduction in amplitude of the applied voltage needed to obtain optical response, which reduces power consumption of the liquid crystal device.

6 cl, 6 dwg