Display device

1. A display device comprising:

a data driver circuit which outputs a low-potential-side analog video signal and a high-potential-side analog video signal generated in response to an inputted digital video signal to data lines from an output terminal which outputs the low-potential-side analog video signal and an output terminal which outputs the high-potential-side analog video signal;

a first switch array which changes over the connection between the output terminal of the data driver circuit and the data lines; and

a gate driver circuit which generates a gate voltage for sequentially selecting pixels arranged in a staggered manner for every 1 horizontal line and outputs the gate voltage to gate lines, wherein

the data driver circuit supplies the analog video signal to the pixels on 1 vertical line among the pixels arranged in a staggered manner from the two neighboring data lines, and

the data driver circuit is divided into a first region which generates the low-potential-side analog video signal, a second region which generates the high-potential-side analog video signal and a third region which generates an intermediate potential.

2. A display device according to claim 1 , wherein relative withstand voltage of the first, second and third regions are equal to each other.

3. A display device according to claim 1 , wherein

the first region includes a first booster circuit for boosting a power source voltage supplied from the outside, a first level shifter for converting a level of a video signal to a voltage level of a voltage which the first booster circuit outputs, a second level shifter for converting the level of the video signal from the first level shifter to a voltage level between the voltage which the first booster circuit outputs and the power source voltage supplied from the outside, and a first DA conversion circuit for generating the low-potential-side analog video signal from a video signal which the first level shifter outputs using the voltage which the first booster circuit outputs,

the third region includes a second booster circuit for boosting a voltage in response to the voltage which the first booster circuit outputs and the signal which the second level shifter outputs, a third level shifter for converting a level of the signal which the second level shifter outputs to a voltage level between the voltage which the second booster circuit outputs and the power source voltage supplied from the outside, and a fourth level shifter for converting a level of a signal which the third level shifter outputs to a voltage level between a voltage which the second booster circuit outputs and the voltage which the first booster circuit outputs, and

the second region includes a third booster circuit for boosting a voltage in response to a signal which the fourth level shifter outputs and the voltage which the second booster circuit outputs, a fifth level shifter circuit for converting a level of a signal which the fourth level shifter outputs to a voltage level between the voltage which the third booster circuit outputs and the voltage which the first booster circuit outputs, and a second DA conversion circuit for generating the high-potential-side analog video signal from a video signal which the fifth level shifter outputs using a voltage which the third booster circuit outputs.

4. A display device according to claim 3 , wherein the display device includes a second switch array which supplies a reset voltage for resetting the analog video signal held in the data lines to the data lines.

5. A display device according to claim 4 , wherein in allowing the data lines which hold the analog video signal to newly hold the analog video signal having polarity opposite to polarity of the analog video signal held by the data line, a reset voltage is supplied to the data lines via the second switch array before the analog video signal having the opposite polarity is applied to the data lines from the first switch array.

6. A display device according to claim 4 , wherein the reset voltage is substantially equal to the voltage which the first booster circuit outputs.

7. A display device according to claim 4 or 5 , wherein the reset voltage possesses two potentials,

the first reset potential is an arbitrary potential which falls within a range of a voltage outputted by the first DA conversion circuit,

the second reset potential is an arbitrary potential which falls within a range of a voltage outputted by the second DA conversion circuit, and

the second switch array is configured such that

when a potential held by the data lines is changed over from the low-potential-side analog video signal to the high-potential-side analog video signal, the data lines are connected to the second reset potential, and when the potential held by the data lines is changed over from the high-potential-side analog video signal to the low-potential-side analog video signal, the data lines are connected to the first reset potential.

8. A display device according to claim 4 , wherein the reset voltage is outputted form the gate driver circuit.

9. A display device according to claim 4 , wherein the display device includes a first switch for controlling the connection between an output terminal of the first booster circuit and a capacitor for holding the output voltage of the first booster circuit, and a second switch array for supplying the voltage held by the capacitor to the data lines as the reset voltage, and

when the reset voltage is supplied via the second switch array before the analog video signal having the opposite polarity is applied to the data lines from the first switch array, the second switch array is brought into an ON state after the first switch is brought into an OFF state, and when the reset voltage is not supplied, the second switch array is brought into an OFF state and the first switch is brought into an ON state.