Abstract:
A method for driving a plasma display panel in which discharge cells are provided at the non-connected intersections of scan electrodes and data electrodes and of the sustain electrodes and data electrodes. One field period is composed of sub-fields each comprising an initializing period, a write period, and a sustain period. The sustain period of at least on sub-field is composed of a first sustain period in which the transition period of the sustain pulse applied to the scan electrode does not temporally overlap with the transition period of the sustain pulse applied to the sustain electrode and a second sustain period in which the transition period of the sustain pulse applied to the scan electrode temporally overlaps with the transition period of the sustain pulse applied to the sustain electrode. The second sustain period includes at least the end part of the sustain period.
Abstract:
In a driving method for a plasma display panel, in the initializing period in at least one of a plurality of subfields, selective initializing operation is performed that selectively causes initializing discharge only in a discharge cell having undergone address discharge in an immediately preceding address period. The selective initializing operation includes the step of applying first voltage to the sustain electrode and applying an up-ramp waveform voltage to the scan electrode, the step of applying a down-ramp waveform voltage to the scan electrode and then applying a positive rectangular voltage to it, and the step of applying second voltage higher than the first voltage to the sustain electrode and applying a down-ramp waveform voltage to the scan electrode.
Abstract:
A drive method for a plasma display panel having a plurality of priming electrodes, wherein the pulse width of a scanning pulse to be applied to a scanning electrodes, out of a plurality of scanning electrodes, for generating a priming discharge and carrying out writing as a result of self scanning is made larger than the pulse width of a scanning pulse to be applied to a scanning electrodes for not generating a priming discharge but carrying out writing as a result of self scanning.
Abstract:
Provided to stabilize generation of address discharge and improve gradation characteristics of display images are the following elements: a plasma display panel; a sustain pulse generating circuit; and a ramp voltage generating circuit including a first ramp voltage generating circuit, a second ramp voltage generating circuit, and a switching circuit. The first ramp voltage generating circuit generates a first ramp voltage gently increasing in an initializing period. The second ramp voltage generating circuit generates a second ramp voltage increasing with a gradient gentler than that of the rising edge of a sustain pulse and steeper than that of the first ramp voltage, at the end of each sustain period. The switching circuit stops the operation of the second ramp voltage generating circuit immediately after the second ramp voltage reaches a predetermined electric potential. In at least one sustain period of one field, no sustain pulse but the second ramp voltage is generated.
Abstract:
A plasma display panel includes a partition for isolating each of the main discharge cells and priming discharge cells on the rear panel. The top of the partition is formed to be in abutment with the front panel. The drive method is as follows. During an odd-number line write period, scan pulse Va is successively applied to the odd-number scan electrode SCp while voltage Vq is applied to the even-number sustain electrode SUp+1 so as to generate priming discharge between the even-number sustain electrode SUp+1 and the odd-number scan electrode SCp. During an even-number line write period, the scan pulse Va is successively applied to the even-number scan electrode SCp+1 while voltage Vq is applied to the odd-number sustain electrode SUp so as to cause priming discharge between the odd-number sustain electrode SUp and the even-number scan electrode SCp+1.
Abstract:
A method for driving a plasma display panel including discharge cells formed at the intersections of the scan electrodes, maintaining electrodes, and data electrodes. One field consists of a plurality of sub fields, each having an initialization period, a write period, and a maintaining period. The maintaining period of at least one sub field has a first maintaining period during which the maintaining pulse has a first rise time and a second maintaining period during which the maintaining pulse has a second rise time shorter than the first rise time. The second maintaining period includes at least the final period of the maintaining period.