Patent ID: 7088329

Claim:
A display device comprising a plurality of pixel cells having a common electrode switchable between a high voltage V ITO — H and a low voltage V ITO — L said display device further comprising a voltage controller connected to a multiplexing switch in each of said pixel cells to provide control signals to digitally select a switch-on state and a switch-off state to apply a high voltage and a low voltage on a pixel electrode in each of said pixel cells wherein said high and low voltage substantially equal to a voltage represented by V 1 and V 0 respectively; said voltage controller further includes a DC balancing state timing controller for synchronizing an inverting of said substantially V 1 or V 0 applied to said pixel electrode with a common electrode DC balancing switch between said high voltage V ITO — H and low voltage V ITO and said voltage controller further includes a delay element for delaying a turning on of a first stage of said multiplexing switch after a turning off of another stage of said multiplexing switch with sufficient delay.