Patent ID: 8823917
Filing Date: 2014-09-02
Classification: G02B,G02F,H04N

Abstract:
1. An electric field driven liquid crystal lens cell, comprising: a first substrate and a second substrate arranged opposite each other; a first plurality of split electrodes formed on the first substrate, each of the first plurality of split electrodes corresponding to one of a plurality of lens regions; a second electrode formed over an entire first surface of the second substrate; a voltage source configured to apply differing voltages to the first plurality of split electrodes and the second electrode; a spacer formed between the first substrate and the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the voltage source is further configured to apply different groups of voltages to the first plurality of split electrodes based on a sub region such that the plurality of sub regions defined in each lens region includes maximum heights, respectively and are separated by discontinuous zones, wherein the voltage source is further configured to apply voltages that gradually increase from a center of the each sub region to the edge of the each sub region, and wherein the location of the spacer corresponds to the discontinuous zones when voltages are applied to the first plurality of split electrodes and the second electrode.