Plasma display panel including a black layer
AssigneeLG Electronics Inc.
InventorSungyong Ahn
Life of this patent
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Abstract
The present invention relates to a plasma display panel. The plasma display panel includes a front substrate on which a first electrode and a second electrode are positioned parallel to each other, a first black layer at a position corresponding to the first electrode, a second black layer at a position corresponding to the second electrode, a rear substrate positioned opposite the front substrate, and a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell. An interval between the first black layer and the second black layer ranges from 0.7 to times a shortest interval between at least one of the first and second black layers and the barrier rib.
Claims8
A plasma display panel comprising:
- a front substrate on which a first electrode and a second electrode are positioned substantially parallel to each other, the first electrode and the second electrode each including a transparent electrode and a bus electrode;
- a first black layer positioned between the transparent electrode and the bus electrode of the first electrode;
- a second black layer positioned between the transparent electrode and the bus electrode of the second electrode;
- a rear substrate on which a third electrode is positioned crossing the first electrode and the second electrode when viewed perpendicular to a plane including the rear substrate, the rear substrate being positioned opposite the front substrate;
- and
- a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell,
- wherein the barrier rib includes a first barrier rib portion substantially parallel to the first and second black layers, and a second barrier rib portion intersecting the first barrier rib portion,
- wherein a height of the first barrier rib portion is smaller than a height of the second barrier rib portion,
- wherein the first barrier rib portion intersects with the third electrode,
- wherein an interval between the first black layer and the second black layer ranges from 0.7 to 2.5 times a shortest interval between at least one of the first and second black layers and the first barrier rib portion,
- wherein each of the transparent electrodes of the first and second electrodes includes:
- a first portion that does not overlap a corresponding black layer of the first or second black layers;
- a second portion that does not overlap the corresponding black layer, a distance from the middle of the second portion to the middle of the discharge cell being shorter than a distance from the middle of the first portion to the middle of the discharge cell;
- and
- a third portion that is positioned between the first portion and the second portion and overlaps the corresponding black layer,
- wherein a width of a cross section of the second portion is shorter than a width of a cross section of the first portion, and
- wherein the second portion of the first electrode and the second portion of the second electrode are both positioned between the first black layer and the second black layer.
Dependencies are inferred from the claim text.