Patent ID: 6956595

Claim:
A light shutter device comprising: a light source which emits light of a plurality of colors, switching from one to another in order; a plurality of light shutter elements made of a material with an electro-optical effect, said light shutter elements controlling in accordance with image data whether to transmit or not to transmit the light which has been emitted from the light source and is incident to the light shutter elements; a first driver for driving a first electrode of selected ones of said plurality of light shutter elements to a first voltage responsive to said image data; and a second driver for driving a second electrode common to said plurality of light shutter elements, said second driver altering a voltage on the second electrode in synchronization with switching of the colors of the light source; wherein the first and second drivers operate to invert an electric field acting on the light shutter elements after every cycle of switching the colors of the light from the light source.