Plasma display panel and driving method thereof

A driving method of a plasma display device having a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes formed in a direction crossing a common direction of the first electrodes and the second electrodes, the plasma display device driven during frames each frame including a sustain period, the sustain period being divided into a plurality of time intervals for generating a sustain discharge, the driving method comprising:

• generating a trigger discharge between a first electrode and a third electrode by applying a second voltage that is lower than a first voltage to the first electrode during a first time interval while the third electrode is biased with the first voltage;
• and
• applying a third voltage that is higher than the first voltage to a second electrode at a time of starting a second time interval during which the first electrode is maintained at the second voltage, such that a discharge may diffuse along the third electrode and a main discharge may be generated between the first electrode and the second electrode,
• wherein the second time interval follows the first time interval and a sum of the first time interval and the second time interval is less than a third time interval during which the third voltage is applied to the second electrode.

A plasma display device comprising:

• a plasma display panel having a first substrate, a plurality of address electrodes formed on the first substrate, a second substrate located opposite to the first substrate, and a plurality of scan electrodes and sustain electrodes formed in parallel on the second substrate in pairs;
• and
• a chassis base located opposite to the plasma display panel and having a driving board for transmitting driving signals for the address electrodes, the scan electrodes, and the sustain electrodes,
• wherein, during a sustain period, the driving board applies a second voltage that is lower than a first voltage to a sustain electrode and applies a third voltage that is higher than the first voltage to a scan electrode at a given point during the application of the second voltage to the sustain electrodes, while an address electrode is biased with the first voltage.

A driving method for a plasma display device having a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes formed in a direction crossing a common direction of the first electrodes and the second electrodes, a gap between the first electrodes and the second electrodes being greater than a distance between the first electrodes and the third electrodes and greater than a distance between the second electrodes and the third electrodes, driving time of the plasma display device divided into periods including a sustain period for sustaining a discharge generated within the plasma display device, the sustain period being divided into a plurality of sub-periods, each sub-period having a first time interval, a second time interval, and a third time interval being consecutive in time, the driving method during a first sub-period of the sustain period comprising:

• maintaining the third electrodes at a first voltage;
• lowering a voltage of a first electrode from the first voltage to a second voltage during a first time interval of the first sub-period;
• maintaining the first electrode at the second voltage for duration of a second time interval of the first sub-period;
• raising the voltage of the first electrode from the second voltage to a third voltage during a third time interval of the first sub-period;
• raising a voltage of a second electrode from the first voltage to a fourth voltage during the second time interval of the first sub-period;
• and
• maintaining the first electrode at the third voltage and the second electrode at the fourth voltage during the third time interval for duration of a first overlap interval,
• wherein the third voltage is lower than the fourth voltage, and
• wherein the first overlap interval is longer than a sum of the first time interval and the second time interval of the first sub-period.

A driving method for a plasma display device having a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes formed in a direction crossing a common direction of the first electrodes and the second electrodes, a gap between the first electrodes and the second electrodes being greater than a distance between the first electrodes and the third electrodes and greater than a distance between the second electrodes and the third electrodes, driving time of the plasma display device divided into periods including a sustain period for sustaining a discharge generated within the plasma display device, the driving method during the sustain period comprising:

• applying a reference voltage to the third electrodes;
• applying a sustain discharge pulse alternately to the first electrodes and the second electrodes, sustain discharge pulses being applied to the first electrodes not coinciding the sustain discharge pulses being applied to the second electrodes;
• and
• applying an assistant pulse to a first electrode following each sustain discharge pulse being applied to the first electrode, the assistant pulse beginning before a subsequent sustain discharge pulse being applied to a second electrode;
• and
• applying the assistant pulse to the second electrode following each sustain discharge pulse being applied to the second electrode, the assistant pulse beginning before a subsequent sustain discharge pulse being applied to the first electrode,
• wherein the sustain discharge pulse and the assistant pulse establish electric fields from the third electrodes and the second electrodes toward the first electrodes.

A driving method for a plasma display device having a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes formed in a direction crossing a common direction of the first electrodes and the second electrodes, a gap between the first electrodes and the second electrodes being greater than a distance between the first electrodes and the third electrodes and greater than a distance between the second electrodes and the third electrodes, driving time of the plasma display device divided into periods including a sustain period for sustaining a discharge generated within the plasma display device, the sustain period being divided into a plurality of sub-periods, the driving method during the sustain period comprising:

• alternately applying a sustain voltage pulse to the first electrodes and the second electrodes during consecutive sub-periods of the sustain period;
• and
• applying an address voltage pulse to the third electrodes during every sub-period of the sustain period, the address voltage pulse beginning together with the sustain voltage pulse being applied to the first electrodes or the second electrodes during the sub-period,
• wherein the sustain voltage pulse and the address voltage pulse during each sub-period are both above or both below a common reference voltage level, and
• wherein duration and amplitude of the address voltage pulse are respectively shorter than duration and amplitude of a corresponding sustain voltage pulse.