KR100708747B1 - Plasma display panel and plasma display apparatus comprising the same - Google Patents

Abstract

In order to reduce cost and reduce weight, the present invention provides a substrate, a partition wall disposed on the substrate and partitioning a plurality of discharge cells, and a pair of discharge electrodes disposed in the partition wall and causing discharge in the discharge cells. And a sealing layer disposed to seal the discharge cells together with the substrate, and a phosphor layer disposed in the discharge cells, and a plasma display apparatus including the same.

Description

Plasma display panel and plasma display apparatus having same {Plasma display panel and plasma display apparatus comprising the same}

1 is an exploded perspective view of a conventional plasma display panel.

2 is a partially separated perspective view of a plasma display panel according to a first embodiment of the present invention.

3 is a cross-sectional view taken along line III-III of FIG. 2.

FIG. 4 is a schematic layout view of the discharge cells and the first and second discharge electrodes shown in FIG. 2.

5 is a cross-sectional view illustrating a state in which the plasma display panel has a three-electrode structure.

FIG. 6 is a layout view illustrating the discharge cells, the first and second discharge electrodes, and the address electrodes shown in FIG. 5.

FIG. 7 is a schematic cross-sectional view illustrating a method of manufacturing the plasma display panel of FIG. 2.

8 is a partially separated perspective view of a plasma display panel according to a second embodiment of the present invention.

9 is a cross-sectional view taken along the line VII-VII of FIG. 8.

10 is a cross-sectional view of the plasma display device 1000 according to the third preferred embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

200, 400: plasma display panel 210, 410: substrate

214, 414: partition wall 220, 420: sealing layer

260, 360, 460: first discharge electrode 270, 370, 470: second discharge electrode

380, 480: address electrode 500: chassis

1000: Plasma Display Device

The present invention relates to a new structure plasma display panel and a plasma display device having the same.

In recent years, the plasma display panel (PDP), which is drawing attention as a replacement for the conventional cathode ray tube display device, is discharged after a discharge gas is filled between two substrates on which a plurality of discharge electrodes are formed. Due to this, the phosphor formed in a predetermined pattern is excited by the generated ultraviolet rays to obtain a desired image.

1 illustrates a conventional plasma display panel 100 of the related art. The plasma display panel 100 covers the front substrate 101, the sustain electrodes 106 and 107 disposed on the front substrate 101, the front dielectric layer 109 covering the sustain electrodes, and the front dielectric layer. The protective layer 111, the rear substrate 115 disposed to face the front substrate 101, the address electrodes 117 disposed on the rear substrate 115 in parallel with each other, and the address electrodes 117. The back dielectric layer 113 is provided, a partition wall 114 formed on the back dielectric layer 113, and a phosphor layer 110 formed on an upper surface of the back dielectric layer 113 and side surfaces of the partition wall 114.

However, in the above-described general plasma display panel 100, the front substrate 101 and the rear substrate 115 are formed of a glass substrate having a thickness of several millimeters. Such glass substrates have not only a large weight but also a high cost problem. However, since the sustain electrodes 106 and 107 and the address electrodes 117 are formed on the front substrate 101 and the rear substrate 115, the glass substrate is inevitably adopted despite the weight and cost. .

In order to solve the above problems, an object of the present invention is to provide a plasma display panel with reduced cost and reduced weight.

Another object of the present invention is to provide a plasma display panel having a simple structure in a manufacturing process.

In addition, another object of the present invention is to provide a plasma display device including the plasma display panel.

In order to achieve the above and other objects, the present invention provides a substrate, a partition wall disposed on the substrate and partitioning a plurality of discharge cells, and a discharge disposed in the partition wall and causing discharge in the discharge cells. A plasma display panel includes an electrode pair, a sealing layer disposed to seal the discharge cells together with the substrate, and phosphor layers disposed in the discharge cells.

According to another aspect of the present invention, the present invention provides a substrate, a partition wall disposed on the substrate and partitioning a plurality of discharge cells, a discharge electrode pair disposed in the partition wall and causing discharge in the discharge cells, And a sealing layer disposed to seal the discharge cells together with the substrate, phosphor layers disposed in the discharge cells, and a chassis disposed on one side of the sealing layer to support the substrate. Equipped.

In the present invention, the sealing layer is preferably formed of a dielectric material, in this case, SiO ₂ , Al ₂ O ₃ , TiO ₂ , BaO, CaO, B ₂ O ₃ , ZnO, R ₂ O PbO, and Bi ₂ O It may include at least one selected from the group consisting of _three . In addition, the sealing layer is preferably formed of the same material as the partition wall.

Moreover, in this invention, it is preferable that the said sealing layer is integral with the said partition.

(First embodiment)

FIG. 2 is a partially separated perspective view of the plasma display panel 200 according to the first embodiment of the present invention, and FIG. 3 is a cross-sectional view taken along line III-III of FIG. 4 is a schematic layout view of the discharge cells 230 and the first and second discharge electrodes 260 and 270 illustrated in FIG. 2.

The plasma display panel 200 according to the first embodiment includes a substrate 210, a sealing layer 220, a partition 214, first discharge electrodes 260, second discharge electrodes 270, and a phosphor layer ( 225 and protective layers 215.

The substrate 210 is usually made of a material having excellent light transmittance mainly containing glass. However, the substrate 210 may be colored in order to improve the clear room contrast by reducing the reflected luminance.

In the present embodiment, visible light generated in the discharge cells 230 may be emitted to the outside through the substrate 210. At this time, the substrate 210 to which visible light is projected includes the sustain electrodes 106 and 107, the front dielectric layer 109, and the protective layer 111 that existed on the substrate 101 of the plasma display panel 100 of FIG. 1. Since there is no presence, the front transmittance of visible light is remarkably improved. Therefore, when the plasma display panel 200 according to the present invention implements an image with a conventional level of brightness, the first and second discharge electrodes 260 and 270 may be driven at a relatively low voltage.

2 and 3, partition walls are formed on the substrate 210 to partition the discharge cells 230 and to prevent electrical and optical cross talk between adjacent discharge cells 230. 214 is shown. In the present embodiment, the partition wall 214 is shown to partition the discharge cells 230 having a circular cross section, but the present invention is not limited thereto. That is, the partition wall 214 may have various patterns as long as it can partition the plurality of discharge cells 230. For example, the cross section of the discharge cell 230 may be formed to be a polygon, such as a triangle, a quadrangle, a pentagon, or an ellipse in addition to the circular shape. In addition, the partition wall 214 may be formed to partition the discharge cells in a delta or waffle shape.

A sealing layer 220 is formed on the bottom surface of the partition 214 to seal the discharge cells 230. The sealing layer 220 is preferably formed to be in close contact with the lower surface of the partition wall 214. The sealing layer 220 may be formed using various materials. Preferably, the sealing layer 220 is formed using a dielectric. In addition, the sealing layer 220 is preferably formed integrally with the partition wall 214 in the manufacturing, details will be described later.

The first discharge electrodes 260 and the second discharge electrodes 270 are disposed in the partition wall 214. The first discharge electrode 260 pairs with the second discharge electrode 270 to generate a discharge in the discharge cell 230. Each of the first discharge electrodes 260 extends to surround the discharge cells 230 disposed along the first direction (X direction), each of the first loop parts 260a surrounding the discharge cells 230, and First loop connection parts 260b connecting the first loop parts 260a are provided. In this embodiment, each of the first loop parts 260a has a circular loop shape. However, the shape of the first loop part 260a is not limited thereto, and may have various shapes such as a rectangular loop shape. However, it is preferable that the shape of the first loop portion 260a has a shape substantially the same as the cross section of the discharge cell 230. In addition, the first loop part 260a may be partially opened.

The second discharge electrodes 270 extend to surround the discharge cells 230 disposed along the second direction (Y direction) crossing the first direction (X direction) where the first discharge electrodes 260 extend, The barrier rib 214 is spaced apart from the substrate 210 in a vertical direction (z direction). In this case, the second discharge electrode 270 is disposed closer to the substrate 210 than the first discharge electrode 260, but the present invention is not limited thereto. Each of the second discharge electrodes 270 includes second loop parts 270a surrounding the discharge cells 230 and second loop connection parts 270b connecting the second loop parts 270a, respectively. . In the present embodiment, each second loop part 270a has a circular ring shape. However, the shape of the second loop part 270a is not limited thereto, and may have various shapes such as a rectangular loop shape, and preferably have a shape substantially the same as a cross section of the discharge cell 230. In addition, the second loop part 270a may be partially opened.

In the plasma display panel 200 according to the first embodiment, a two-electrode structure is formed. Accordingly, one of the first discharge electrode 260 and the second discharge electrode 270 functions as a scan and sustain electrode, and the other function as an addressing and sustain electrode. However, the present invention is not limited to the two-electrode structure and may have a three-electrode structure. 5 and 6, an example of a three-electrode structured plasma display panel according to the present invention is shown. The same reference numerals as in the above embodiment denote the same members. The first discharge electrode 360 pairs with the second discharge electrode 370 to generate a discharge in the discharge cell 330 and extends in parallel with each other. Each of the first discharge electrodes 360 connects the first loop parts 360a surrounding the discharge cells 330 arranged in the first direction (X direction) and the first loop parts 360a. First loop parts 370a having first loop connection parts 360b and surrounding each of the discharge cells 330 arranged in a first direction (X direction), respectively; First loop connection parts 370b connecting the first loop parts 370a are provided. In addition, address electrodes 350 extending to cross the direction in which the first discharge electrodes 360 and the second discharge electrodes 370 extend may be disposed. The address electrodes 350 are disposed to be spaced apart from the first and second discharge electrodes 360 and 370 and the substrate 210 in a vertical direction (z direction) in the partition wall 214. Each address electrode 350 includes third loop parts 350a surrounding each discharge cell 330 and third loop connection parts 350b connecting the third loop parts 350a. In the present exemplary embodiment, the second discharge electrodes 370, the address electrodes 350, and the first discharge electrodes 360 are sequentially disposed in the vertical direction of the substrate 210 to lower the address discharge voltage. However, the present invention is not limited thereto, and the address electrodes 350 may be disposed nearest to the substrate 210 or may be disposed farthest, and the address electrodes 350 may be formed in the sealing layer 220. The address electrodes 350 are used to generate an address discharge to facilitate a sustain discharge between the first discharge electrode 360 and the second discharge electrode 370. More specifically, the address electrodes 350 lower the voltage at which the sustain discharge starts. Play a role. The address discharge is a discharge occurring between the scan electrode and the address electrode. When the address discharge is completed, cations are accumulated on the scan electrode side and electrons are accumulated on the common electrode side, thereby making it easier to sustain discharge between the scan electrode and the common electrode. In the present exemplary embodiment, the first discharge electrode 360 serves as the scan electrode and the second discharge electrode 370 serves as the common electrode, but the present invention is not limited thereto.

Referring again to FIGS. 2 and 3, since the first discharge electrodes 260 and the second discharge electrodes 270 are not directly disposed at positions that reduce the visible light transmittance, they are formed of a conductive metal such as aluminum or copper. Can be. Therefore, since the voltage drop in the longitudinal direction is small, stable signal transmission becomes possible.

The first discharge electrodes 260 and the second discharge electrodes 270 are embedded in the partition wall 214, so that the partition wall 214 is disposed between the adjacent first discharge electrodes 260 and the second discharge electrodes 270. It prevents direct current and cations or electrons from directly colliding with the first and second discharge electrodes 260 and 270 and damaging the first and second discharge electrodes 260 and 270, while inducing charge to induce wall charge. It is desirable to form a dielectric that can accumulate.

Protective layers 215 are formed on the side and top surfaces of the barrier rib 214 and the sealing layer 220 exposed to the discharge cells 230. The protective layers 215 prevent the barrier ribs 214 formed of the dielectric material and the first and second discharge electrodes 260 and 270 from being damaged by the sputtering of plasma particles and lower the discharge voltage by emitting secondary electrons. Do it. The protective layers 215 may be formed by depositing magnesium oxide (MgO) on a side surface and an upper surface of the partition wall 214 to a predetermined thickness.

First grooves 210a are formed on the substrate 210 facing each discharge cell 230 to have a predetermined depth. The grooves 210a are discontinuously formed in each of the discharge cells 230, and phosphor layers 225 are disposed in the grooves 210a. However, the arrangement position of the phosphor layers 225 is not limited to the above description and may be arranged at various positions. For example, the phosphor layers 225 may be disposed on the side surface of the partition wall 214 where the protective layers 215 are not formed. The phosphor layers 225 have a component for generating visible light by receiving ultraviolet rays, and the phosphor layer formed on the red light emitting cells includes phosphors such as Y (V, P) O ₄ : Eu, and the green light emitting cells The phosphor layer formed on includes a phosphor such as Zn ₂ SiO ₄ : Mn, YBO ₃ : Tb, and the like, and the phosphor layer formed on the blue light emitting discharge cell includes a phosphor such as BAM: Eu.

In the discharge cells 230, a discharge gas such as Ne, Xe, and the like and a mixed gas thereof is encapsulated. In the case of this embodiment, the discharge surface is increased and the discharge region can be enlarged, so that the amount of plasma formed is increased, so that low voltage driving is possible. Therefore, even when a high concentration of Xe gas is used as the discharge gas, the low voltage driving can be performed, thereby significantly improving the luminous efficiency. This solves the problem of low voltage driving when using a high concentration of Xe gas as a discharge gas in a conventional plasma display panel.

Hereinafter, a method of manufacturing the plasma display panel 200 will be described in detail with reference to FIG. 7.

First, prepare a substantially flat substrate. The flat substrate is etched or sandblasted to form grooves 210a, respectively, to form the substrate 210 of FIG. Thereafter, the phosphor layer pastes are respectively applied in the grooves 210a, dried and baked to form the phosphor layers 225.

In addition, a partition sheet forming process is performed in parallel with the above process. Here, the partition sheet means a member in which the partition wall 214, the sealing layer 220, the first and second discharge electrodes 260 and 270, and the protection layer 215 are integrated.

First, the first dielectric sheet L1 for the sealing layer is prepared. In addition, dielectric sheets for forming barrier ribs are stacked on the first dielectric sheet L1, which will be described in detail as follows. The second dielectric sheet L2 is prepared. The third dielectric sheet L3 having the first discharge electrodes 260 patterned thereon is stacked on the second dielectric sheet L2. The fourth dielectric sheet L4 is further stacked on the third dielectric sheet L1, and the fifth dielectric sheet L5 on which the second discharge electrodes 270 are patterned is formed on the fourth dielectric sheet L4. Laminated. Thereafter, the sixth dielectric sheet L6 is laminated on the fifth dielectric sheet L1. As described above, after the second, third, fourth, fifth, and sixth dielectric sheets L2, L3, L4, L5, and L6 are stacked, a punching process is performed at a position where the discharge cells 230 are arranged to discharge The discharge space for the cells 230 is formed. After punching as described above, the second, third, fourth, fifth, and sixth dielectric sheets L2, L3, L4, L5, and L6 laminated on the first dielectric sheet L1 are disposed, and then dried and fired. Through the process, a partition sheet in which the partition wall 214 and the sealing layer 220 are integrated is formed. Thereafter, MgO is sputtered to form protective layers 215. Each dielectric sheet L1, L2, L3, L4, L5, L6 is described as a single sheet, but the present invention is not limited thereto, and each dielectric sheet may have a plurality of layers.

As described above, after the partition sheet is manufactured, the substrate and the partition sheet are aligned and arranged, and a sealing process is performed using a frit or the like. Thereafter, the exhaust / discharge gas injection process is performed continuously to manufacture the plasma display panel. After the exhaust / discharge gas injection process, various post-treatment processes such as aging may be performed.

As described above, the plasma display panel according to the present invention can integrally form the partition wall and the sealing layer, and since the process can be divided into similar steps, the manufacturing is very easy.

The driving method of the plasma display panel 200 according to the exemplary embodiment of the present invention having the above configuration is as follows.

First, an address discharge occurs between the first discharge electrode 260 and the second discharge electrode 270, and as a result of the address discharge, a discharge cell 230 in which sustain discharge occurs is selected. Subsequently, when an AC voltage is applied between the first discharge electrode 260 and the second discharge electrode 270 of the selected discharge cell 230, the first discharge electrode 260 and the second discharge electrode 270 are applied. Maintenance discharge occurs in the liver. Ultraviolet rays are emitted while the energy level of the discharged gas excited by this sustain discharge is lowered. The ultraviolet rays excite the phosphor layers 225. As the energy levels of the excited phosphor layers 225 are lowered, visible light is emitted, and the emitted visible light forms an image.

In the conventional plasma display panel 100, the sustain discharge between the sustain electrodes 106, 107 occurs in the horizontal direction, the discharge area is relatively narrow. However, the sustain discharge of the plasma display panel 200 according to the present embodiment may occur in all aspects of defining the discharge cells 230 and may have a relatively large discharge area.

In addition, the sustain discharge in this embodiment is formed in a closed curve along the side of the discharge cell 230 and gradually diffuses to the center portion of the discharge cell 230. As a result, the volume of the region where the sustain discharge occurs is increased, and the space charge in the discharge cell, which is not well used in the past, also contributes to light emission. Such matters result in the improvement of the luminous efficiency of the plasma display panel. In particular, in this embodiment, since the cross section of the discharge cells 230 is circular, there is an advantage that the sustain discharge occurs uniformly on all sides of the discharge cells (230).

In addition, since the sustain discharge is performed only at the center portion of the discharge cell 230, ion sputtering of the phosphor by the charged particles, which is a problem of the conventional plasma display panel 100, is prevented, thereby displaying the same image for a long time. Even afterimage has the advantage that no permanent afterimage.

Second Embodiment

FIG. 8 is a partially separated perspective view of the plasma display panel 400 according to the second exemplary embodiment of the present invention, and FIG. 9 is a cross-sectional view taken along the line VII-VII of FIG. 8.

In the plasma display panel 400 according to the second embodiment, the substrate 410, the sealing layer 420, the partition 414, the first discharge electrodes 460, the second discharge electrodes 470, and the address electrode ( 480, phosphor layers 425, and protective layers 415.

The plasma display panel 400 according to the second embodiment is different from the first embodiment in that the pair of the first discharge electrodes 460 and the second discharge electrodes 470 have opposite discharge structures. Hereinafter, a second embodiment will be described based on the above difference.

The substrate 410 is usually made of a material having excellent light transmittance mainly containing glass. However, the substrate 410 may be colored in order to improve the clear room contrast by reducing the reflected luminance.

8 and 9, partition walls are formed on the substrate 410 to partition the discharge cells 430 and to prevent electrical and optical cross talk between adjacent discharge cells 430. 414 is shown. In the present embodiment, the partition wall 414 is shown to partition the discharge cells 430 having a rectangular cross section, but the present invention is not limited thereto.

The sealing layer 420 is disposed on the lower surface of the partition 414 to seal the discharge cells 430. The sealing layer 420 is preferably formed to be in close contact with the lower surface of the partition 414. The sealing layer 420 may be formed using various materials. Preferably, the sealing layer 420 is formed using a dielectric. In addition, it is preferable in manufacturing that the sealing layer 420 is formed integrally with the partition 414.

The first discharge electrodes 460 and the second discharge electrodes 470 are disposed in the partition wall 414. The first discharge electrode 460 pairs with the second discharge electrode 470 to cause discharge in the discharge cell 430. Each of the first discharge electrode 460 and the second discharge electrode 470 extends in a stripe shape in the first direction (Y direction) and is disposed to face each other toward the center of the discharge cells 460. As described above, since the first discharge electrodes 460 and the second discharge electrodes 470 have opposite discharge structures, discharge is uniformly generated in the discharge cells 430.

In the sealing layer 420, address electrodes 480 extending in a second direction (X direction) intersecting the first discharge electrodes 460 and the second discharge electrodes 470 are disposed. In the present embodiment, since the address electrodes 480 are disposed in the sealing layer 420 formed of a dielectric, damage due to discharge is prevented. In the above, the first discharge electrode 460 performs the function of the scan electrode, the second discharge electrode 470 performs the function of the common electrode, but the present invention is not limited thereto.

The first discharge electrodes 460 and the second discharge electrodes 470 are embedded in the partition wall 414, and the partition wall 414 is disposed between the adjacent first discharge electrodes 460 and the second discharge electrodes 470. While preventing direct current and cations or electrons from directly colliding with the first and second discharge electrodes 460 and 470 and damaging the first and second discharge electrodes 460 and 470, the wall charge is induced by inducing charge. It is desirable to form a dielectric that can accumulate.

Protective layers 415 are formed on the side and top surfaces of the partition wall 414 and the sealing layer 420 exposed to the discharge cells 430. The protective layers 415 may be formed by depositing magnesium oxide (MgO) on a side surface and an upper surface of the partition wall 414 to a predetermined thickness.

First grooves 410a are formed on the substrate 410 facing each discharge cell 430 to have a predetermined depth. The grooves 410a are discontinuously formed in each of the discharge cells 430, and phosphor layers 425 are disposed in the grooves 410a. Details of the phosphor layers 425 are described in detail in the above-described first embodiment, which will be omitted here.

In the discharge cells 430, a discharge gas such as Ne, Xe, or a mixture thereof is encapsulated.

Since the method of manufacturing the plasma display panel 400 according to the second embodiment is similar to that of the first embodiment described above, it is omitted here.

The driving method of the plasma display panel 400 according to the exemplary embodiment of the present invention having the above configuration is as follows.

First, an address discharge occurs between the first discharge electrode 460 and the address electrode 480, and as a result of the address discharge, the discharge cell 430 in which the sustain discharge occurs is selected. Thereafter, when a sustain voltage is applied between the first discharge electrode 460 and the second discharge electrode 470 of the selected discharge cell 430, the first discharge electrode 460 and the second discharge electrode 470 are applied. Maintenance discharge occurs in the liver. Ultraviolet rays are emitted while the energy level of the discharged gas excited by this sustain discharge is lowered. The ultraviolet rays excite the phosphor layers 425. As the energy levels of the excited phosphor layers 425 are lowered, visible light is emitted, and the emitted visible light forms an image.

(Third Embodiment)

10 is a cross-sectional view of the plasma display apparatus 1000 according to the third embodiment of the present invention. The plasma display apparatus 1000 includes a plasma display panel 200 according to the first embodiment and a chassis 500 disposed on a rear surface of the sealing layer 220 of the plasma display panel. Here, the chassis 500 radiates heat transferred from the plasma display panel 200 and functions to structurally support the plasma display panel 200. In addition, a driving unit (not shown) for driving the plasma display panel 200 may be disposed on one side of the chassis 500.

10 shows the plasma display panel 200 according to the first embodiment as an example of the plasma display panel, the present invention is not limited thereto and includes the plasma display panel 400 according to the second embodiment. Any plasma display panel according to the present invention may be disposed.

Referring to FIG. 10, unlike a general plasma display apparatus, since a separate back substrate is unnecessary, not only the overall weight is reduced but also the cost is reduced. In addition, the manufacturing method also has an easy advantage.

Although the plasma display panel 200 and the chassis 220 are directly contacted in FIG. 10, the present invention is not limited thereto. That is, in order to diffuse or transfer heat generated from the plasma display panel 200 to the chassis 500, a heat conductive sheet may be interposed between the sealing layer 220 and the chassis. In addition, in order to increase the mechanical fixing force between the plasma display panel 200 and the chassis, an adhesive member such as a double-sided tape may be interposed between the chassis and the sealing layer 220.

The plasma display panel and the plasma display device having the same according to the present invention have the following effects.

First, since the plasma display panel does not have a separate back substrate, the weight is reduced and the cost is reduced.

Second, since the partition wall and the sealing layer of the plasma display panel can be integrally formed, the overall manufacturing process becomes easy.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (24)

Board; A partition wall disposed on the substrate and partitioning a plurality of discharge cells; Discharge electrode pairs disposed in the partition wall and causing discharge in the discharge cells; A sealing layer disposed to seal the discharge cells together with the substrate; And And phosphor layers disposed in the discharge cells. The method of claim 1, And the sealing layer is formed of a dielectric. The method of claim 2, The sealing layer is characterized in that it comprises at least one selected from the group consisting of SiO ₂ , Al ₂ O ₃ , TiO ₂ , BaO, CaO, B ₂ O ₃ , ZnO, R ₂ O PbO, and Bi ₂ O ₃ Plasma display panel. The method of claim 1, And the sealing layer is formed of the same material as the partition wall. The method of claim 1, And the sealing layer is integral with the partition wall. The method of claim 1, Wherein each pair of discharge electrodes includes a first discharge electrode and a second discharge electrode extending to cross each other. The method of claim 6, And the first and second discharge electrodes extend to surround the discharge cells arranged along one row. The method of claim 1, Each of the pair of discharge electrodes includes a first discharge electrode and a second discharge electrode extending in parallel to each other, The plasma display panel further comprises address electrodes extending to intersect the pair of discharge electrodes. The method of claim 8, And the first discharge electrode and the second discharge electrode are disposed to face each other toward the inside of the discharge cells. The method of claim 8, And the first and second discharge electrodes extend to surround the discharge cells arranged along one row. The method of claim 8, And the address electrodes are embedded in the sealing layer. The method of claim 1, Grooves having a predetermined depth are formed on a substrate facing the discharge cells, and the phosphor layers are disposed in the grooves. Board; A partition wall disposed on the substrate and partitioning a plurality of discharge cells; Discharge electrode pairs disposed in the partition wall and causing discharge in the discharge cells; A sealing layer disposed to seal the discharge cells together with the substrate; Phosphor layers disposed in the discharge cells; And And a chassis disposed on one side of the sealing layer to support the substrate. The method of claim 13, And the sealing layer is formed of a dielectric. The method of claim 14, The sealing layer is characterized in that it comprises at least one selected from the group consisting of SiO ₂ , Al ₂ O ₃ , TiO ₂ , BaO, CaO, B ₂ O ₃ , ZnO, R ₂ O PbO, and Bi ₂ O ₃ Plasma display device. The method of claim 13, The sealing layer is a plasma display device, characterized in that formed of the same material as the partition wall. The method of claim 13, And the sealing layer is integral with the partition wall. The method of claim 13, Wherein each pair of discharge electrodes includes a first discharge electrode and a second discharge electrode extending to cross each other. The method of claim 18, And the first and second discharge electrodes extend to surround the discharge cells arranged along one row. The method of claim 13, Each of the pair of discharge electrodes includes a first discharge electrode and a second discharge electrode extending in parallel to each other, And the plasma display device further comprises address electrodes extending to intersect the pair of discharge electrodes. The method of claim 20, And the first discharge electrode and the second discharge electrode are disposed to face each other toward the inside of the discharge cells. The method of claim 20, And the first and second discharge electrodes extend to surround the discharge cells arranged along one row. The method of claim 20, And the address electrodes are embedded in the sealing layer. The method of claim 13, Grooves having a predetermined depth are formed on the substrate facing the discharge cells, and the phosphor layers are disposed in the grooves.

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