Driving method of plasma display panel and display device

A driving method of an AC type plasma display panel in which first display electrodes and second display electrodes are arranged so as to form surface discharge gaps for rows of a matrix display, and the position relationship between the first and the second display electrodes forming a surface discharge gap in the row arrangement direction is opposite between neighboring two rows, and terminals for supplying electricity to the first and the second display electrodes are divided into both sides of a display screen, the method comprising the steps of:

• dividing the first display electrodes into k (k≧2) groups by making a unit of each of electrode arrays including the first display electrode neighboring only the second display electrode and the plural first display electrodes arranged without including a surface discharge gap and by dividing the first display electrodes in the arrangement order by one unit;
• and
• generating a display discharge by applying a rectangular voltage pulse train having a constant period to the first display electrodes sequentially by one group while shifting the rectangular voltage pulse train by the time corresponding to a pulse width multiplied by 2/k, and by applying another rectangular voltage pulse train similar to the rectangular voltage pulse train to the second display electrodes so that the shift between neighboring first display electrodes becomes the time corresponding to a pulse width multiplied by 1/k.

A driving method of an AC type plasma display panel having a display screen in which first display electrodes and second display electrodes are arranged in spaced relationship so as to form plural surface discharge gaps defining corresponding, plural rows of a matrix display and so that two neighboring rows share one electrode for display, and respective terminals, connected to the first and the second display electrodes to supply electricity thereto, are located at respective, opposite sides of the display screen, the method comprising:

• relating the first display electrodes as plural complementary pairs of display electrodes;
• relating the second display electrodes as plural complementary pairs of second display electrodes;
• and
• generating display discharges by changing potentials of the first and the second display electrodes so that a potential change and resulting current flow has a complementary relationship between successively selected, first and second display electrodes of each pair of first and second complementary display electrodes, in succession for all first and second display electrodes of the first and second complementary pairs thereof, and so that a sustaining voltage is applied across the display electrodes at the ratio of one row per k (k≧2) rows and the interelectrodes to which the sustaining voltage is applied are changed sequentially.

A driving method of an AC type plasma display panel in which first display electrodes and second display electrodes are arranged so as to form surface discharge gaps for rows of a matrix display and so that two first display electrodes and two second display electrodes except both ends of the display electrode arrangement are arranged alternately, and terminals for supplying electricity to the first and the second display electrodes are divided into both sides of a display screen, the method comprising the steps of:

• setting plural electrode unit pairs about the first display electrodes by dividing the first display electrodes by a unit of neighboring two first display electrodes;
• setting plural electrode unit pairs about the second display electrodes by dividing the second display electrodes in the same way;
• dividing the first display electrodes into k (k≧2) groups by dividing the first display electrodes corresponding to the plural electrode unit pairs in the arrangement order by one unit;
• applying a rectangular voltage pulse train having a constant period to the first display electrodes sequentially by one group while shifting the rectangular voltage pulse train by the time corresponding to a pulse width multiplied by 2/k so that the potential changes have a complementary relationship between the first display electrode units of the electrode unit pair;
• and
• generating a display discharge by applying another rectangular voltage pulse train similar to the rectangular voltage pulse train to the second display electrodes so that potential changes have a complementary relationship between the second display electrode units of the electrode unit pair and that the shift between neighboring first display electrodes becomes the time corresponding to a pulse width multiplied by 1/k.

A display device comprising an AC type plasma display panel including a display screen in which first display electrodes and second display electrodes arranged in spaced relationship so as to form plural surface discharge gaps, corresponding to plural rows of a matrix display, and a relatively position relationship of first and second display electrodes defining neighboring rows, in a row arrangement direction, is opposite and respective terminals, connected to the first and the second display electrodes to supply electricity thereto, are located at respective, opposite sides of the display screen, wherein

• the first display electrodes are divided into plural pairs of first complementary display electrodes, each of the first complementary display electrodes being made up of one first display electrode adjacent only to one second display electrode;
• the second display electrodes are divided into plural pairs of second complementary display electrodes, each of the second complementary display electrodes being made up of one second display electrode adjacent only to one first display electrode;
• and
• a driving circuit generates display discharges by changing potentials of the first and the second display electrodes so that a potential change has a complementary relationship between one first complementary display electrode and the other first complementary display electrode of a selected pair of complementary first display electrodes, for each of the first complementary display electrode pairs in succession, as well as between one second complementary display electrode and the other second complementary display electrode of a selected pair of complementary second display electrodes, in alternate succession with the first complementary display electrode pairs, for each of the second complementary electrode pairs, and that a sustaining voltage is applied to the surface discharge gap at the ratio of one row per k (k≧2) rows, and that the surface discharge gaps to which the sustaining voltage is applied are changed sequentially.

A display device comprising an AC type plasma display panel in which first display electrodes and second display electrodes are arranged so as to form surface discharge gaps for rows of a matrix display, and the position relationship between the first and the second display electrodes forming a surface discharge gap in the row arrangement direction is opposite between neighboring two rows, and terminals for supplying electricity to the first and the second display electrodes are divided into both sides of a display screen, wherein

• the first display electrodes are divided into k (k≧2) groups by making a unit of each of electrode arrays including the first display electrode neighboring only the second display electrode and the plural first display electrodes arranged without including a surface discharge gap and by dividing the first display electrodes in the arrangement order by one unit, and
• a driving circuit is provided for generating a display discharge by applying a rectangular voltage pulse train having a constant period to the first display electrodes sequentially by one group while shifting the rectangular voltage pulse train by the time corresponding to a pulse width multiplied by 2/k, and by applying another rectangular voltage pulse train similar to the rectangular voltage pulse train to the second display electrodes so that the shift between neighboring first display electrodes becomes the time corresponding to a pulse width multiplied by 1/k.

A driving method of an AC type plasma display panel including a display screen in which first display electrodes and second display electrodes arranged in spaced relationship so as to form plural surface discharge gaps corresponding to plural rows of a matrix display, and a position relationship, between the first and the second display electrodes corresponding to two arbitrary rows neighboring the former rows in a row arrangement direction is opposite between the two arbitrary rows, and respective terminals, connected to the first and the second display electrodes to supply electricity thereto, are located at respective, opposite sides of the display screen, the method comprising:

• dividing the first display electrodes into plural pairs of first complementary display electrodes, each of the first complementary display electrodes being made up of the two first display electrodes arranged without a surface discharge gap therebetween;
• dividing the second display electrodes into plural pairs of second complementary display electrodes, each of the second complementary display electrodes being made up of two second display electrodes arranged without a surface discharge gap therebetween;
• and
• generating display discharges by changing potentials of the first and the second display electrodes so that a potential change has a complementary relationship between one first complementary display electrode and the other first complementary display electrode of a selected pair of complementary first display electrodes, for each of the first complementary display electrode pairs in succession as well as between one second complementary display electrode and the other second complementary display electrode of a selected pair of complementary second display electrodes, in alternate succession with the first complementary display electrode pairs, for each of the second complementary electrode pairs and that a sustaining voltage is applied to the surface discharge gap at the ratio of one row per k (k≧2) rows, and so that the surface discharge gaps to which the sustaining voltage is applied are changed sequentially.