Patent ID: 8872734

Claim:
A 2D/3D switching system, comprising: a 2D/3D switching device having a display area for selectively processing lights from 2D images and 3D images, including: a first substrate; a plurality of first electrodes formed on the first substrate; a second substrate; a plurality of second electrodes formed on the second substrate and arranged corresponding to the plurality of first electrodes and separated with a distance; a liquid crystal layer placed between the first substrate having the plurality of first electrodes and the second substrate having the plurality of second electrodes to provide the display area; and a driving unit coupled to the plurality of first electrodes and the plurality of second electrodes to provide driving voltages to the plurality of first electrodes and the plurality of second electrodes, wherein the second electrodes are arranged into a plurality of groups and the driving unit applies one or more voltages on the first electrodes and the second electrodes to enable the liquid crystal layer to operate in one of a full-screen 2D mode, a full-screen 3D mode, and a 2D/3D mode; wherein, in the 2D/3D mode, various driving voltages are applied on each of the plurality of groups of the second electrodes associated with a 3D display window, a uniform driving voltage is applied on each of the plurality of groups the second electrodes associated with a 2D display window; a first driving voltage is applied on first electrodes associated with the 3D display window; and a second driving voltage is applied on first electrodes associated with the 2D display window; and wherein difference between the uniform driving voltage and the first driving voltage is below a threshold voltage of the liquid crystal; difference between the uniform driving voltage and the second driving voltage is above a saturation voltage of the liquid crystal; difference between the various driving voltages and the first driving voltage is between the threshold voltage and the saturation voltage; and difference between the various driving voltages and the second driving voltage is above the saturation voltage.