BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic diagram of the functional device in accordance with the embodiment of the invention;
FIG. 2 is a schematic diagram of the edges of the stripe electrodes of the functional device in accordance with the embodiment of the invention;
FIG. 3 is a schematic diagram of the edges of stripe electrodes of the functional device in accordance with a comparative embodiment.