Method for driving plasma display panel
View Patent ↗A method for driving a plasma display panel in which a plurality of first and second electrodes are arranged adjacently each other, a plurality of third electrodes are arranged to cross the first and second electrodes, the plasma display panel having a reset period, an address period, and a sustain discharge period is provided. The method includes in the reset period, applying to the second electrodes a first waveform voltage, whose applied potential increases with time, then applying to the second electrodes a second waveform voltage, whose applied potential decreases with time. The method includes when applying the first waveform voltage, a first constant voltage is applied to the first electrodes, and a second constant voltage higher than the first constant voltage is applied to the third electrodes and when applying the second waveform voltage, a third constant voltage is applied to the first electrodes, and a fourth constant voltage lower than the third constant voltage is applied to the third electrodes.
1. A method for driving a plasma display panel in which a plurality of first and second electrodes are arranged adjacently each other, a plurality of third electrodes are arranged to cross the first and second electrodes, the plasma display panel having a reset period, an address period, and a sustain discharge period, the method comprising:
in said reset period,
applying to the second electrodes a first waveform voltage, whose applied potential increases with time, then
applying to the second electrodes a second waveform voltage, whose applied potential decreases with time,
wherein when applying the first waveform voltage, a first constant voltage is applied to the first electrodes, and a second constant voltage higher than the first constant voltage is applied to the third electrodes,
wherein when applying the second waveform voltage, a third constant voltage is applied to the first electrodes, and a fourth constant voltage lower than the third constant voltage is applied to the third electrodes, wherein
a reaching potential to which the first waveform voltage reaches is a positive potential higher than a sustain pulse voltage applied in the sustain discharge period, and
a reaching potential to which the second waveform voltage reaches is a negative potential.
2. The method for driving a plasma display panel according to the claim 1 , wherein
a start potential of the first waveform voltage at an initiation of applying the first waveform voltage is higher than the first constant voltage.
3. The method for driving a plasma display panel according to the claim 2 , wherein
the first constant voltage has a negative potential, and
the second constant voltage is a ground voltage that is 0 volt.
4. The method for driving a plasma display panel according to the claim 2 , wherein
the first waveform voltage is a first triangular waveform voltage whose potential increases with time with a constant slope, and
the second waveform voltage is a second triangular waveform voltage whose potential decreases with time with a constant slope.
5. The method for driving a plasma display panel according to the claim 2 , wherein
the first waveform voltage is a first slope waveform voltage whose potential increases while potential variation per unit time changes with time, and
the second waveform voltage is a second slope waveform voltage whose potential decreases while potential variation per unit time changes with time.
6. The method for driving a plasma display panel according to the claim 2 , wherein
the third constant voltage has a positive potential lower than the sustain pulse voltage,
the fourth constant voltage is ground voltage that is 0 volt.
7. The method for driving a plasma display panel according to the claim 6 , wherein
in the address period, a voltage, which is the same as the third constant voltage is applied to the first electrodes.