Electro-optical device

1. An electro-optical device comprising:

pixel electrodes provided in intersections of gate lines and data lines;

counter electrodes provided to face the pixel electrodes with an electro-optical material interposed therebetween; and

storage capacitors each of which one end is connected to each of the pixel electrodes,

wherein, if data line signals supplied to the pixel electrodes via the data lines correspond to writing of a positive polarity with respect to the potential of the counter electrodes, the potential of the other end of each of the storage capacitors is changed to a high potential side after the data line signals are written and, if the data line signals correspond to writing of a negative polarity with respect to the potential of the counter electrodes, the potential of the other end of each of the storage capacitors is held at a constant level before and after the data line signals are written.

2. The electro-optical device according to claim 1 , further comprising:

pixel transistors connected to the pixel electrodes;

gate lines which supply gate signals for controlling ON/OFF of the pixel transistors;

a gate line scanning unit which scans the gate lines; and

a driving power source which supplies a driving power source potential to the gate line scanning unit,

wherein an OFF potential of the gate signals supplied to the pixel transistors becomes a reference potential of the electro-optical device.

3. The electro-optical device according to claim 2 , further comprising:

capacitive lines connected to the storage capacitors; and

capacitive line control circuits which control the potentials of the storage capacitors via the capacitive lines,

wherein the capacitive line control circuits are connected to the gate lines, and control the potentials of the storage capacitors on the basis of the gate signals supplied from the gate lines.

4. The electro-optical device according to claim 3 , wherein:

the capacitive line control circuits are provided in the capacitive lines, respectively,

a plurality of pixels having the pixel transistors, and a dummy gate line connected to the capacitive line control circuit arranged in correspondence with the capacitive line of a first stage are further included, and

a signal for controlling the potential of the storage capacitor corresponding to the capacitive line of the first stage is supplied from the capacitive line control circuit arranged in correspondence with the capacitive line of the first stage to the capacitive line of the first stage, on the basis of a dummy gate signal supplied by the dummy gate line.

5. The electro-optical device according to claim 4 , wherein:

the plurality of pixels are arranged in a matrix, and

the data line signals supplied to the pixel electrodes are switched to the data line signals corresponding to the writing of the positive polarity with respect to the potential of the counter electrodes and the data line signals corresponding to the writing of the negative polarity with respect to the potential of the counter electrodes, for each horizontal line of the plurality of pixels arranged in the matrix.

6. The electro-optical device according to claim 4 , wherein the capacitive line and the capacitive line control circuit are provided one by one in the pixels of one row.

7. The electro-optical device according to claim 4 , wherein the capacitive line and the capacitive line control circuit are provided one by one in the pixels of a plurality of rows.

8. The electro-optical device according to claim 7 , wherein a first writing mode for sequentially performing writing from the pixels of a previous stage to the pixels of a next stage one stage by one stage for each vertical period and a second writing mode for sequentially performing writing in order opposite to the first writing mode from the pixels of the previous stage to the pixels of the next stage for every two stages are alternately performed at the time of writing the data line signals.

9. The electro-optical device according to claim 4 , further comprising:

a display unit including the plurality of pixels,

wherein the gate line scanning units are arranged at positions sandwiching the display unit one by one.

10. An electronic apparatus comprising the electro-optical device according to claim 1 .