Method and apparatus for driving cell array driven by electric field

An apparatus for driving an electric field driven cell array including a plurality of electric field driven cells,

• wherein each of the electric field driven cells includes a first electrode, a second electrode, and a third electrode, which are provided on a substrate and insulated from one another, and an actuator movable between the first electrode and the second electrode, wherein the first electrode and the second electrode are spaced from each other with a predetermined distance, and the third electrode is disposed below the first electrode, the apparatus including:
• a common voltage supply unit for supplying a common voltage to the first electrode of the electric field driven cell;
• a gate driver for supplying a gate voltage to the third electrode of the electric field driven cell by a gate line;
• and
• a data driver for supplying a data voltage to the second electrode of the electric field driven cell by a data line;
• wherein the actuator is positioned adjacent to the first electrode or the second electrode in accordance with supply state of the gate voltage and the data voltage.

A method for driving an electric field driven cell array including a plurality of electric field driven cells, wherein each of the electric field driven cells includes a first electrode, a second electrode, and a third electrode, which are provided on a substrate and insulated from one another, and an actuator movable between the first electrode and the second electrode, wherein the first electrode and the second electrode are spaced from each other with a predetermined distance, and the third electrode is disposed below the first electrode, the method including:

• (a) applying a certain level of common voltage to the first electrode of the electric field driven cell;
• (b) activating a gate line of an electric field driven cell, which is desired to operate, by selectively applying a gate voltage to the second electrode of the electric field driven cell;
• and
• (c) positioning the actuator at a position adjacent to the first electrode or the second electrode, by selectively applying a data voltage to the third electrode of the electric field cell.

A method for driving an electric field driven cell array including a plurality of electric field driven cells, wherein each of the electric field driven cells includes a first electrode, a second electrode, and a third electrode, which are provided on a substrate and insulated from one another, and an actuator movable between the first electrode and the second electrode, wherein the first electrode and the second electrode are spaced from each other with a predetermined distance, and the third electrode is disposed below the first electrode, the method including:

• (a) applying a certain level of common voltage to the first electrode of the electric field driven cell;
• (b) activating a gate line of an electric field driven cell, which is desired to operate, by selectively applying a gate voltage to the third electrode of the electric field driven cell;
• and
• (c) positioning the actuator at a position adjacent to the first electrode or the second electrode, by selectively applying a data voltage to the second electrode of the electric field driven cell.