Plasma display panel

A plasma display panel comprising:

• a first substrate and a second substrate opposing each other;
• barrier ribs arranged in a space between the first substrate and the second substrate to define a plurality of discharge cells;
• phosphor layers in the plurality of discharge cells;
• address electrodes on the second substrate;
• and
• display electrodes on the first substrate,
• wherein the display electrodes comprise:
• bus electrodes, protrusion electrodes protruding from the bus electrodes, and igniter electrodes coupled to the protrusion electrodes via the bus electrodes and having ends protruding towards insides of the discharge cells, the igniter electrodes opposing the address electrodes within the discharge cells,
• wherein the display electrodes comprise:
• a pair of a first electrode and a second electrode of the bus electrodes on the first substrate such that the pair of the first electrode and the second electrode corresponds to respective ones of the discharge cells while extending along a direction intersecting a length direction of the address electrodes;
• the protrusion electrodes protruding toward the insides of the discharge cells from respective ones of the bus electrodes;
• and
• the igniter electrodes protruding from respective opposing ones of the pair of bus electrodes and having ends located between the protrusion electrodes within the discharge cells, and
• wherein the igniter electrodes comprise:
• expanded portions extending along the barrier ribs substantially parallel to the length direction of the address electrodes;
• protruding portions protruding from the expanded portions toward the insides of the discharge cells;
• and
• opposing portions at ends of the protruding portions, each opposing portion configured to face a respective opposing portion from an opposing one of the pair of the bus electrodes,
• wherein the opposing portions have a width in the length direction of the address electrodes greater than a width of the protruding portions while maintaining a space therebetween.

A plasma display panel comprising:

• a first substrate and a second substrate opposing each other;
• barrier ribs arranged in a space between the first substrate and the second substrate to define a plurality of discharge cells;
• phosphor layers in the plurality of discharge cells;
• address electrodes on the second substrate;
• and
• display electrodes on the first substrate,
• wherein the display electrodes comprise:
• bus electrodes, protrusion electrodes protruding from the bus electrodes, and igniter electrodes coupled to the protrusion electrodes via the bus electrodes and having ends protruding towards insides of the discharge cells, the igniter electrodes opposing the address electrodes within the discharge cells,
• wherein the display electrodes comprise:
• a pair of a first electrode and a second electrode of the bus electrodes on the first substrate such that the pair of the first electrode and the second electrode corresponds to respective ones of the discharge cells while extending along a direction intersecting a length direction of the address electrodes;
• the protrusion electrodes protruding toward the insides of the discharge cells from respective ones of the bus electrodes;
• and
• the igniter electrodes protruding from respective opposing ones of the pair of bus electrodes and having ends located between the protrusion electrodes within the discharge cells, and
• wherein the igniter electrodes comprise:
• expanded portions extending along the barrier ribs substantially parallel to the length direction of the address electrodes;
• protruding portions protruding from the expanded portions toward the insides of the discharge cells;
• and
• opposing portions at ends of the protruding portions, each opposing portion configured to face a respective opposing portion from an opposing one of the pair of the bus electrodes,
• wherein each of the opposing portions has one relatively longer side than the opposite side in the length direction of the address electrodes.

A plasma display panel comprising:

• a first substrate;
• a second substrate opposing the first substrate;
• a plurality of barrier ribs between the first substrate and the second substrate to define a plurality of discharge cells;
• a plurality of phosphor layers in the plurality of discharge cells;
• a plurality of address electrodes on the second substrate;
• and
• a plurality of display electrodes on the first substrate,
• wherein the display electrodes comprise:
• a first bus electrode;
• a second bus electrode opposing the first bus electrode;
• a first igniter electrode protruding from the first bus electrode and having a first igniter end at a center portion of a respective one of the discharge cells;
• a second igniter electrode protruding from the second bus electrode and having a second igniter end at the center portion of the respective one of the discharge cells;
• a first protrusion electrode protruding from the first bus electrode and having a first protrusion end facing the center portion of the respective one of the discharge cells;
• and
• a second protrusion electrode protruding from the second bus electrode and having a second protrusion end facing the center portion of the respective one of the discharge cells,
• wherein the first igniter end and the second igniter end are between and separated from the first protrusion electrode and the second protrusion electrode,
• wherein a first gap between opposing faces of the first and second igniter ends of the first and second igniter electrodes is configured to provide an initial sustain discharge in the respective one of the discharge cells,
• wherein a second gap between opposing faces of the first and second protrusion ends of the first and second protrusion electrodes is configured to provide a regular sustain discharge in the respective one of the discharge cells, and
• wherein a third gap between opposing faces of the first igniter end of first igniter electrode and the second protrusion end of second protrusion electrode or between opposing faces of the second igniter end of the second igniter electrode and the first protrusion end of the first protrusion electrode is configured to cause a surface discharge in the respective one of the discharge cells.