Patent ID: 8358295

Claim:
A display device comprising: a plurality of gate lines; a plurality of data lines; and a pixel connected to one of the plurality of gate lines and one of the plurality of data lines, the pixel comprising first and second sub-pixels, wherein the first sub-pixel comprises: a first thin film transistor having control and input terminals connected to at least one of the gate and data lines, respectively; and a first liquid crystal capacitor and a first variable capacitor respectively connected to an output terminal of the first thin film transistor, and wherein the second sub-pixel comprises: a second thin film transistor having control and input terminals connected to at least one of the gate and data lines, respectively; and a second liquid crystal capacitor and a second variable capacitor respectively connected to an output terminal of the second thin film transistor, wherein the first and second variable capacitors are formed each with a thin film transistor comprising a gate electrode, a semiconductor layer, a source electrode, and a drain electrode, wherein the source and drain electrodes are electrically connected to each other, and wherein the source and drain electrodes of the first variable capacitor are respectively connected to the output terminal of the first thin film transistor, and the gate electrode of the second variable capacitor is connected to the output terminal of the second thin film transistor.