Capacitively coupled electric field control device

摘要

A spatially non uniform electrode structure is proposed for controlling a spatially non uniform electric field driving a tunable liquid crystal lens. The spatially non uniform electrode structure enables the generation of a predetermined spatially non uniform electric field profile where complex capacitive coupling between multiple different electrically floating neighboring electrode segments is employed for the generation of the electrical field of desired form by supplying an initial electric potential to a limited number of electrodes.