JP3501027B2 - Plasma display panel - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display applied to a flat panel television, an information display, etc.
Regarding the lay panel.

[0002]

2. Description of the Related Art A plasma display is a display that displays by exciting phosphors to emit light by ultraviolet rays generated by gas discharge, and is expected to be applied to large screen televisions, information display devices and the like. FIG. 7 shows a panel structure of a typical AC surface discharge plasma display. The back substrate 100, which is the back side, has the strip-shaped data electrode 2 formed on the glass substrate 1, and then the white dielectric layer 3 and the strip-shaped partition wall 4 are formed. Red, green, and blue phosphors 5 are sequentially applied to the bottom and side surfaces of the groove formed by the partition wall 4. The partition wall 4 has an effect of ensuring a discharge space, preventing crosstalk of discharge with an adjacent cell, and preventing bleeding of emission color, and particularly plays an important role in a color plasma panel. Front substrate 2 which is the display side
00, a strip-shaped surface discharge electrode 7 and a transparent dielectric layer 8 are formed on a glass substrate 6. The surface discharge electrode consists of a scan electrode and a sustain electrode with a surface discharge gap sandwiched between them, but in order to prevent light emission from the phosphor, it is composed of a transparent conductive film such as a NES film or an ITO film and a bus electrode of a metal wire with low resistance. ing.
As the dielectric layer 8, a low-melting-point glass layer on which a magnesium oxide thin film having a large secondary electron emission coefficient and excellent spatter resistance is formed is generally used. The rear substrate 100 and the front substrate 200 are combined,
After sealing the peripheries of both substrates with frit glass, they are heated and evacuated, and finally a discharge gas containing a rare gas as a main component is filled.
The panel is completed.

FIG. 8 shows an example of a basic drive waveform of an AC surface discharge type panel. Scan pulses are sequentially applied to the scan electrodes. At this timing, a data pulse having a polarity opposite to that of the scan pulse is applied to the data electrode according to the display data of the display cell on the scan electrode. As a result, a counter discharge is generated between the scan electrode and the data electrode. By this address discharge, wall charges are formed on the surface of the dielectric layer on the scan electrodes. In the cell where the wall charge is formed, the sustain pulse applied between the sustain electrode and the scan electrode causes the surface discharge sustain discharge, but in the cell where the address is not written, the electric field due to the wall charge is generated even if the sustain pulse is applied. No sustain discharge occurs because there is no superimposing effect of By applying the sustain pulse a predetermined number of times, light emission display is performed. In order to improve the writing operability, as shown in FIG. 8, a high voltage is applied to all cells prior to the writing operation to erase the previous history of the display state and to perform a preliminary discharge operation for forcibly discharging. Is adopted. In addition, a full-color moving image can be displayed by performing gradation display by the subfield method.

[0004]

The above-mentioned AC type surface discharge color plasma panel has high basic performance and practical light emitting display characteristics have been realized. However, as a display device, higher brightness is desired. It is rare. Further, further cost reduction is desired for widespread use.

The present invention aims to improve the luminous efficiency by improving the shape of the barrier ribs, improve the brightness by increasing the area of the surface discharge electrode, and reduce the exhaust conductance of the panel, which is a problem in manufacturing. Is.

[0006]

The present invention for achieving the above object is characterized by the following items. 1: A plasma display panel in which surface discharge electrodes formed with a surface discharge gap sandwiched therebetween are arranged in rows, and barrier ribs crossing the surface discharge electrodes and partitioning discharge cells are extended in a direction in which columns extend. The partition wall has an enlarged partition wall portion in a gap portion between cells, the partition wall enlarged portion and the surface discharge electrode are separated from each other , and the partition wall expanded portion is on the surface discharge electrode side.
Of side surfaces of the surface discharge electrode on the side of the inter-cell gap of the surface discharge electrode
The distance from the end of the electrode is 20 μm or more . 2: A plasma display panel in which surface discharge electrodes formed with a surface discharge gap sandwiched therebetween are arranged in rows, and barrier ribs crossing the surface discharge electrodes and partitioning discharge cells extend in the direction in which the columns extend. A plasma display panel, characterized in that the barrier ribs are provided with two enlarged barrier ribs in the gaps between the cells. 3: It is characterized in that the two bulkhead bulkheads and the surface discharge electrode are isolated from each other. 4: It is characterized in that there is a gap in the corner in the direction in which the row of the bulkheads of the partition wall extends. 5: There is a gap toward the corner in the direction in which the rows of the two bulkhead enlarging parts extend, one of the two bulkhead enlarging parts has a gap in one corner, and the other bulkhead enlarging part is the other. It is characterized by a gap in the corner. 6: A partition slit portion spatially connected to adjacent discharge cells in the row extending direction is formed between the two expanded partition portions. 7: A plasma display panel in which surface discharge electrodes formed with a surface discharge gap sandwiched therebetween are arranged in rows, and barrier ribs crossing the surface discharge electrodes and partitioning discharge cells are extended in a direction in which columns extend. discharge cells the partition walls in the cell gap portion comprises a partition wall ampulla, adjacent in the direction in which the partition enlarged portion or the partition enlarged portion Oite line near extends
The adjacent discharge cells have a partition wall slit portion.
It is characterized by being spatially connected by. 8: Side wall of the bulkhead of the partition wall on the side of the surface discharge electrode and the surface
Distance between the discharge electrode and the surface discharge electrode end on the side of the inter-cell gap side
Separated, or when there are two bulkheads, the surface discharge voltage
The side wall of the enlarging part of the partition wall on the electrode side and the surface discharge electrode side
Distance from the surface discharge electrode end on the side of the gap between cells of the electrode
Is more than 20 microns . 9: Side wall on the side of the surface discharge electrode of the enlarging portion of the partition wall and the surface
Distance between the discharge electrode and the surface discharge electrode end on the side of the inter-cell gap side
Separated, or when there are two bulkheads, the surface discharge voltage
The side wall of the enlarging part of the partition wall on the electrode side and the surface discharge electrode side
The distance between the electrode and the end of the surface discharge electrode on the side of the inter-cell gap is 150 μm or less. 10: The cell gap is 100 μm to 350 μm
It is characterized by being micron. 11: A phosphor is applied to the surface discharge electrode side of the expanded partition wall.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a perspective view of a first embodiment (hereinafter referred to as "Example 1") of an AC type plasma panel according to the present invention. 200 of Example 1 is a front substrate, and the front substrate 200 is the same as the front substrate 200 of the surface discharge type plasma panel of the conventional example, and the glass substrates 6 and I.
It is composed of a transparent electrode of a TO thin film, a surface discharge electrode 7 composed of a bus electrode using a thick silver film, and a transparent dielectric layer 8. That is, the structure is such that ITO is formed on the glass substrate 6.
A surface discharge electrode 7 composed of a thin transparent electrode and a bus electrode using a thick silver film is formed, and a transparent dielectric layer 8 is further formed thereon. This dielectric layer 8 has a thickness of about 25
A protective layer of magnesium oxide is formed on the surface of a micron low melting point glass.

The AC type plasma panel according to the first embodiment is 1.
The pixel pitch is 08 mm, and the surface discharge electrodes formed in pairs with the surface discharge gap sandwiched therebetween are arranged at a pitch of 1.08 mm in the row direction which is the panel row direction. The surface discharge gap was 70 microns, the width of each surface discharge electrode was 380 microns, and the gap between adjacent cells, which is the interval between the surface discharge electrodes adjacent in the row direction, was 250 microns. The rear substrate 100 facing the front substrate 200 is a glass substrate 1
The data electrode 2, the white dielectric layer 3, the partition wall 4, and the phosphor layer 5 are formed on the top. In FIG. 1, the phosphor layer is shown only in one groove, and the phosphor layers in the other grooves are omitted. The data electrodes 2 made of thick film silver and the partition walls 4 having filler and low melting point glass as main components are formed at a pitch of 360 μm. The height of the partition wall was about 140 microns.

The feature of the first embodiment lies in the shape of the partition wall, and, as shown in FIG. 1, the partition wall 4 is provided with an enlarged partition wall portion at a portion corresponding to the gap between adjacent cells. In Example 1,
The width of the upper part of the partition wall in the normal part is 60 μm, but the width of the expanded partition wall part 10 is 260 μm. The length of the expanded partition wall portion 10 is about 150 microns, which is shorter than the gap between adjacent cells. The partition having such a shape was formed by the sandblast method in Example 1, but it may be formed by another method such as a photosensitive paste method, an additive method, or a screen printing method. In addition, Example 1
In the above, a paste containing a black pigment is applied to the uppermost surface portion, and the upper surface of the partition wall is blackened as shown in FIG. Finally, the three primary color phosphors are sequentially applied by screen printing and baked to complete the back substrate 100. The rear substrate 100 and the front substrate 200 are combined, the both substrates are sealed with frit glass, heated and evacuated, and finally a discharge gas is sealed.

In the panel of the present invention having the expanded partition wall portion 10, the luminous efficiency was improved by about 3 to 10% as compared with the conventional panel having the strip-shaped partition wall. It is considered that this is because the fluorescent material is also applied to the side wall portion of the enlarging portion of the partition wall so that the ultraviolet rays generated by the discharge are effectively used. The main role of the bulkheads of barrier ribs is that among the ultraviolet rays generated by the discharge between the surface discharge electrodes or in the space above the surface discharge electrodes, the ultraviolet rays that diffuse in the vertically adjacent discharge cell direction are transmitted to the sidewalls of the bulkheads of the barrier ribs. This causes the applied phosphor to emit light, thereby improving the light emission efficiency. Therefore, the shape of the enlarged partition wall is not limited to that shown in FIG. 1, but may be various modified shapes as shown in FIG.

The same effect can be expected with grid-shaped barrier ribs, but in this case, since the discharge cells are partitioned, the conductance of exhaust gas is significantly deteriorated, which causes a manufacturing problem. According to the present invention, a constant gap is provided even in an enormous part to secure the exhaust conductance.
Usually, it is preferable to provide a gap of about 30 to 100 μm.

Further, in the shape as shown in FIGS. 2 (C) to 2 (E) in which the expanded rib portion is divided into two, the phosphor is applied to the side surface of the expanded rib portion on the surface discharge electrode side. If so, the luminous efficiency can be improved to the same extent as in FIGS. 2A and 2B, but the conductance at the time of exhaust is improved.

Although the expanded rib portion is provided in the gap portion between adjacent cells, it is preferable that the distance from the end portion of the surface discharge electrode on the gap side between adjacent cells to the end portion of the expanded rib portion is 20 μm or more. When this distance is short, particularly when the bulkheads of the barrier ribs are installed by biting into the surface discharge electrode, the presence of the bulkheads of the barrier ribs affects the discharge itself, so that the light emission efficiency is not improved so much and is rather lowered. It may end up.

Further, in the case where the barrier rib expanded portion is arranged too far from the end of the surface discharge electrode, the ultraviolet rays generated at the discharge site are attenuated by resonance absorption until the phosphor on the side wall of the barrier rib expanded portion is irradiated. Therefore, the effect of improving the luminous efficiency is reduced. Although it is affected by the cell size such as the partition pitch, in general, the expanded partition wall does not adversely affect the discharge at the surface discharge electrode, and the ultraviolet rays generated by the discharge are directed in the cell direction adjacent to the upper and lower sides. In order to effectively use the diffusing ultraviolet rays, it is preferable that the distance between the end of the surface discharge electrode and the end of the expanded partition wall is about 20 to 150 μm.

Another effect of the bulky partition wall is to suppress interference between vertically adjacent cells. Usually, if the gap between adjacent cells is narrow, erroneous lighting is likely to occur.
Therefore, the width of the surface discharge electrode must be narrowed in order to secure the gap between the adjacent cells, and it is difficult to realize high brightness. In this embodiment, the inter-cell gap is set to 250 μm. However, in the case of a normal strip-shaped partition wall having no bulky partition wall with this size, erroneous lighting frequently occurs and normal display cannot be realized.

In order to prevent erroneous lighting, the surface discharge electrode width was narrowed and a gap between adjacent cells of about 400 microns was required. Comparing such a panel with the panel of this example, a brightness increase of about 30% was realized due to the effect of increasing the area of the surface discharge electrode and the effect of the phosphor on the side surface of the bulky barrier rib portion. In this embodiment, the inter-cell gap is set to 250 μm, but there is a dependency on driving conditions and discharge gas composition. It was possible to suppress interference between cells adjacent to each other. In the present invention, a gap between cells of about 100 to 350 microns, which is difficult to be adopted in the conventional structure, can be adopted in the present invention, which contributes to high brightness. Note that the effect of suppressing the interference between the upper and lower adjacent cells is higher than that in the case where there is a gap in the central portion as shown in FIGS. 2A and 2C, as shown in FIGS. ), There is a tendency that there is a large gap in the corner.

Further, as an effect of the bulkhead of the partition wall, when the upper part of the partition wall is blackened as in the example of FIG. 1, the bright place contrast can be effectively completed. Even in the case of a normal strip-shaped partition wall, the upper part of the partition wall is blackened to reduce reflection of external light. However, by simultaneously blackening the bulky partition wall as in the present embodiment, a black mask is not formed on the front substrate side. However, the reflection of external light can be further reduced, and the bright place contrast is improved.

(Second Embodiment) FIG. 3 is a perspective view of a second embodiment (hereinafter referred to as "Example 2") of an AC type plasma panel according to the present invention. FIG. 3 shows the structure of the second embodiment. The main difference from the first embodiment is the shape of the partition wall. Since the panel can be manufactured by the same method as that of the panel of Example 1, the partition shape and its effect will be mainly described. Similar to the partition wall of the panel of the first embodiment, the partition wall expanded portion 10 is provided, but the partition wall of the panel of the second embodiment is not continuous, and a partition wall slit portion having a width of 50 μm at the central portion of the partition wall expanded portion 10. 11 are formed and are spatially open to the discharge cells adjacent to the left and right. A phosphor is applied to at least the side surface of the enlarging portion of the partition wall on the side of the surface discharge electrode, which contributes to the improvement of the light emission efficiency and the light emission luminance as in the case of the first embodiment.

As shown in FIG. 7, the conventional barrier rib has a strip-shaped continuous structure, and the exhaust conductance of the panel having the groove-shaped discharge space is small. In the case where the enlarging portion of the partition wall is provided in addition to the band-shaped partition wall as in the first embodiment, although the brightness is improved, the exhaust conductance tends to be worse.

In the second embodiment, by providing the partition slits, the exhaust conductance of the panel is improved because the partition is connected to the adjacent space. Naturally, even in the conventional band-shaped partition wall, it is not continuous,
It is easy to think that the exhaust conductance can be improved by making a cut in the partition wall, but in this case,
There is a problem in that phosphor pastes of different emission colors flow in from the cut portion when the phosphor is formed, or ultraviolet rays diffuse from the cut portion while repeating resonance absorption, resulting in color mixture.

In the second embodiment, the slit portion is formed so as to be attached to the enlarging portion of the partition wall to prevent the seepage of the phosphor paste and the ultraviolet rays.

FIG. 4 shows a modified example of the shape of the partition wall provided with the expanded partition wall portion and the partition wall slit portion. FIG. 4 (A) shows
FIG. 4B shows the shape of the second embodiment shown in FIG.
4A is a shape having a bulge at the center of the partition slit portion of FIG. 4A, and FIG. 4C is an example in which the bulkhead portion of the partition extends to one side. FIG. 4D is an example of an articulated shape, and FIGS. 4E and 4F are examples in which the enlarged bulkhead portions extending to one side are alternated on the left and right.

(Third Embodiment) FIG. 5 is a diagram showing a third embodiment (hereinafter referred to as "Example 3") of an AC type plasma panel according to the present invention. FIG. 5 shows FIG. 4 (B).
A third embodiment (hereinafter referred to as “Example 3”) based on the partition wall shape will be shown, and the advantages thereof will be further described. FIG. 5B illustrates a partition wall having an enlarged portion and a slit portion, and red, green, and blue phosphor layers coated in the groove of the partition wall. The phosphor layer was formed by screen printing.

Three kinds of screen plates were used as shown in FIG. FIG. 6A shows a screen plate having a simple stripe type opening, and the width of the opening is 100 μm and is one third of the groove width between the partition walls.
FIG. 6 (B) shows the case of having a rectangular opening and a width of 1
It is a screen plate having a rectangular opening of 50 microns and a length of 700 microns. In the case of FIG. 6A, the alignment accuracy in the vertical direction and the deformation margin of the screen plate are large. Further, in the screen plate having the shape of FIG. 6B, the phosphor is applied to the discharge cell portion that contributes to the light emission, including the side surface on the surface discharge electrode side of the enlarging portion of the partition wall. There is little application of body paste. However, it is necessary to make an accurate alignment between the screen plate and the substrate, and
It is also necessary to pay attention to the deformation of the screen version. Figure 6
An example of (C) is a screen plate having an eclectic pattern of (A) and (B). Width 150 microns, length 60
A rectangular portion of 0 micron is connected by a groove having a width of 80 micron. Although a certain amount of phosphor is pushed into the partition slits, the margin for alignment and screen plate deformation is improved as compared with the pattern having the shape shown in FIG.

FIG. 5B shows a state in which the phosphor paste is applied in the order of red, green and blue. The bottom surface of the discharge cell, the side wall of the barrier rib, and the side surface of the enlarged barrier rib side surface of the discharge cell are sufficiently coated with the phosphor. Although the phosphor was infiltrated into the barrier rib slits, the phosphors did not overflow from the barrier rib slits to the discharge cell portions adjacent to each other in the column direction, so that the colors were not mixed. The recessed partition wall slit shape of the panel of Example 3 is excellent in that it serves as a reservoir when the phosphor paste flows in and improves the exhaust conductance.

FIG. 5A shows the transparent electrode 13 forming the surface discharge electrode of the front substrate 200, the bus electrode 12 and the black mask 9. The black mask is shown in the case of a lattice having vertical stripes covering the partition walls and horizontal stripes covering the gap between adjacent cells. Such a black mask effectively reduces the reflection of external light and contributes to the contrast improvement even when the partition wall is white. Of course, if the upper part of the partition is black, the vertical stripes are unnecessary,
Further, the horizontal stripe portion having a narrow width that covers the partition wall slit portion as a center can be adopted to improve the brightness. Further, the effect of the partition wall enlarging portion that suppresses the interference between the upper and lower adjacent cells described in the first embodiment is not impaired even if there is the partition slit portion, and erroneous lighting due to the interference does not occur.

In the drawings showing the conventional example and the embodiment, the partition walls including the expanded partition wall portion and the partition wall slit portion are shown as vertically erect shapes, but they are not necessarily vertical. Generally, the partition wall cross section has a trapezoidal shape or a wide shape at the skirt portion of the partition wall as often seen when created by a sandblast method or the like, but also in the present invention, the partition wall cross section has a trapezoidal shape or a skirt portion of the partition wall. Even if the shape is wide, the same effect can be obtained as in the shape in which the partition including the expanded partition and the slit portion of the partition is vertically raised. Furthermore, in an extreme case, when the width of the gap portion or partition wall slit portion sandwiched between the bulkheads of the partition wall is narrow, or when the material is created by sandblasting, the material for the partition wall may remain partially at the bottom, Even in this case, although the exhaust conductance is reduced, the basic effects of the present invention such as the improvement of brightness are maintained.

[0028]

The effects of the present invention are as follows. 1. In an AC type color plasma panel in which surface discharge electrodes formed across a surface discharge gap are arranged in a row direction, and barrier ribs that divide the surface discharge electrodes and divide discharge cells in a column direction are arranged, are adjacent to each other in the row direction. Since the partition walls have an expanded partition wall portion in the inter-cell gap portion to be formed, and the phosphor is also applied to the side surface of the expanded partition wall portion on the surface discharge electrode side,
The luminous efficiency was improved by about 3 to 10% as compared with the conventional panel having strip-shaped partition walls. Further, by providing the enlarging portion of the partition wall, it is possible to suppress the interference between the cells which are vertically adjacent to each other, thereby preventing the occurrence of erroneous lighting. 2. In the AC type color plasma panel of the above 1, the distance between the surface discharge electrode end on the side of the inter-cell gap side adjacent in the row direction and the side wall on the side of the surface discharge side of the expanded barrier ribs is 20 to 15.
Since it is set to 0 micron, the expanded partition walls do not adversely affect the discharge at the surface discharge electrode, and the ultraviolet rays generated by the discharge that are diffused in the cell directions vertically adjacent to each other can be effectively used. Therefore, the luminous efficiency can be improved. 3. A narrow gap between cells of 100 to 350 microns, which was difficult to be adopted in the conventional structure, can be adopted, and moreover, it contributes to high brightness without erroneous lighting. 4. Surface discharge electrodes formed with a surface discharge gap interposed are arranged in a row direction, and barrier ribs are arranged across the surface discharge electrode to separate discharge cells of different emission colors in a column direction. In the AC type color plasma panel in which the barrier ribs have a large barrier rib portion, and the side surface of the barrier rib enlarged portion on the side of the surface discharge electrode is also coated with the phosphor, a row is formed in the barrier rib enlarged portion or in the vicinity of the barrier rib enlarged portion. Since barrier rib slits that are spatially connected to adjacent discharge cells in the direction are formed, by providing the barrier rib slits, the phosphor layers of the three primary colors are formed in order to connect the adjacent spaces across the barrier ribs. The exhaust conductance of the panel is improved while avoiding the protrusion of the phosphor pace angle during the operation. 5. Since the partition wall slit portion is provided with a recess, it has an effect as a reservoir when the phosphor paste flows into the recess. 6. The distance between the end of the surface discharge electrode on the side of the inter-cell gap adjacent to each other in the row direction and the side wall on the side of the surface discharge side of the expanded partition wall is 20.
Since it is set to 150 microns, it is possible to effectively use the ultraviolet rays that the barrier rib enlarging portion does not adversely affect the discharge at the surface discharge electrode and diffuse in the cell directions adjacent to the upper and lower sides of the ultraviolet rays generated by the discharge. Therefore, the luminous efficiency can be improved. 7. A back substrate for an AC type color plasma panel, comprising a plurality of strip-shaped data electrodes, a dielectric layer, and strip-shaped barrier ribs formed on a glass substrate, and phosphors applied in the grooves formed by the barrier ribs. Since the barrier ribs have an enlarged barrier rib portion in the gap between cells adjacent in the row direction, and the phosphor is applied to the side surface of the enlarged barrier rib portion on the surface discharge electrode side, a panel using this rear substrate Is 3 to 10 in comparison with a panel using a back substrate on which a strip-shaped partition wall is formed.
The luminous efficiency was improved to about%. Further, by providing the enlarging portion of the partition wall, it is possible to suppress the interference between the cells which are vertically adjacent to each other, thereby preventing the occurrence of erroneous lighting. 8. Since the distance between the end of the surface discharge electrode on the side of the inter-cell gap adjacent to each other in the row direction and the side wall of the expanded wall of the partition wall on the side of the surface discharge is set to 20 to 150 μm, the expanded wall of the partition adversely affects the discharge at the surface discharge electrode. It is possible to improve the luminous efficiency because it is possible to effectively use the ultraviolet light that is not given and that is diffused in the cell directions adjacent to the upper and lower sides of the ultraviolet light generated by the discharge. 9. A back substrate for an AC type color plasma panel in which a plurality of strip-shaped data electrodes, a dielectric layer and strip-shaped partition walls are formed on a glass substrate, and a phosphor is applied in the groove formed by the partition walls. In the gap portion between cells adjacent to each other in the row direction, the barrier rib has a barrier rib expanded portion, and a barrier rib slit portion spatially connected to a discharge cell adjacent in the column direction in the barrier rib expanded portion or in the vicinity of the barrier rib expanded portion. In addition to being formed, the phosphor is also applied to the side surface on the side of the surface discharge electrode of the enlarging portion of the partition wall. By providing this partition wall slit portion, the partition wall is connected to the adjacent space, so that the three primary colors are formed. The exhaust conductance of the panel is improved while avoiding the protrusion of the phosphor pace angle when forming the phosphor layer.

As described above, according to the present invention, the plasma
By devising the shape of the partition wall formed on the back substrate of the display panel , it is effective to improve the emission brightness and prevent the occurrence of erroneous lighting due to the interference between cells adjacent in the scanning direction. It also contributes to the reduction of exhaust conductance, which is important when manufacturing panels.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a first embodiment of the present invention.

FIG. 2 is an example of a partition shape according to the first embodiment of the present invention.

FIG. 3 is a diagram illustrating a second embodiment of the present invention.

FIG. 4 is an example of a partition shape according to the second embodiment of the present invention.

FIG. 5 is a diagram illustrating a third embodiment of the present invention.

FIG. 6 is a screen plate pattern used in producing an embodiment of the present invention.

FIG. 7 Example of conventional panel structure

FIG. 8 is a drive waveform example of an AC type color plasma panel.

[Explanation of symbols]

1 glass substrate 2 data electrodes 3 White dielectric layer 4 partitions 5 phosphor 6 glass substrates 7 surface discharge electrodes 8 Dielectric layer 9 Phosphor 10 Bulkhead bulk 11 Partition slit part 12 bus electrodes 100 back substrate 200 front substrate

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-10-134722 (JP, A) JP-A-2000-223034 (JP, A) JP-A-8-306318 (JP, A) JP-A-4-92340 (JP, A) JP 9-6281 (JP, A) JP 2001-15034 (JP, A) JP 2000-285808 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) H01J 11/02 H01J 9/02

Claims (11)

(57) [Claims] 1. A surface discharge electrode formed so as to sandwich a surface discharge gap is arranged in rows, and the surface discharge electrode is crossed across the surface discharge electrode.
In a plasma display panel in which barrier ribs separating discharge cells are extended in a direction in which a column extends, the barrier ribs include an enlarged barrier rib portion in a gap between cells.
The bulky portion of the partition wall and the surface discharge electrode are separated from each other , and
The side wall of the surface discharge electrode side of the expanded wall portion and the surface discharge electrode
The distance from the end of the surface discharge electrode on the side of the inter-cell gap is 20 mm.
Plasma display panel characterized by being more than Cron . 2. The surface discharge electrodes formed with a surface discharge gap sandwiched therebetween are arranged in rows, and the surface discharge electrodes are traversed across the surface discharge electrodes.
A plasma display panel in which barrier ribs for partitioning discharge cells are extended in a direction in which columns extend, wherein the barrier ribs include two barrier rib enlarging portions in a gap portion between cells. 3. The plasma display panel according to claim 2, wherein the two bulkhead ribs are separated from the surface discharge electrode. 4. The plasma display panel according to claim 1, wherein a gap is provided at a corner in a direction in which the row of the bulkheads of the partition wall extends. 5. A gap is formed in a corner of a direction in which the rows of the two bulkhead enlarging portions extend, and one of the two bulkhead enlarging portions has a gap in one corner and the other bulkhead enlarging portion. The plasma display panel according to claim 2 or 3, wherein the part has a gap at the other corner. 6. A barrier rib slit portion spatially connected to adjacent discharge cells in a row extending direction is formed between the two barrier rib enlarged portions.
5. The plasma display panel according to any one of 5 above. 7. The surface discharge electrodes formed with a surface discharge gap sandwiched therebetween are arranged in rows, and the surface discharge electrodes are traversed across the surface discharge electrodes.
In a plasma display panel in which barrier ribs separating discharge cells are extended in a direction in which a column extends, the barrier ribs include an enlarged barrier rib portion in a gap between cells.
It has the partition wall ampulla or the partition wall ampulla discharge cells adjacent in the direction in which Oite line extends in the vicinity of, the adjacent discharge
The cells are spatially connected by the partition slit
A plasma display panel, characterized in that there. 8. The side of the bulkhead of the partition wall on the side of the surface discharge electrode.
A surface discharge electrode on the side of the gap between the wall and the cell of the surface discharge electrode.
Distance from the extreme, or if there are two bulkheads
Side wall on the side of the surface discharge electrode of the enlarging portion of the partition wall on the side of the surface discharge electrode
And the surface discharge electrode on the side of the inter-cell gap of the surface discharge electrode
The plasma display panel according to any one of claims 2 to 7, wherein the distance from the edge is 20 microns or more . 9. The surface discharge electrode side of the bulkhead of the barrier ribs.
A surface discharge electrode on the side of the gap between the wall and the cell of the surface discharge electrode.
Distance from the extreme, or if there are two bulkheads
Side wall on the side of the surface discharge electrode of the enlarging portion of the partition wall on the side of the surface discharge electrode
And the surface discharge electrode on the side of the inter-cell gap of the surface discharge electrode
The plasma display panel according to claim 1, wherein the distance from the edge is 150 μm or less. 10. The plasma display panel according to claim 1, wherein the inter-cell gap is 100 μm to 350 μm. 11. The plasma display panel according to claim 1, wherein a phosphor is applied to the surface discharge electrode side of the bulkhead of the barrier ribs.