JP2002150956A - Substrate for plasma display device, method of manufacturing the same, and plasma display device using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress the occurrence of separation defects of the peel off of walls and discharge electrode in the substrate for plasma display device. SOLUTION: A jointing face 3a of the discharge electrode 3 with the partition wall 2 and the jointing face 4a of the ground layer 4 with the discharge electrode 3 are made into convex shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display substrate used for a high-precision, inexpensive, thin, large-screen color display device and the like, a method of manufacturing the same, and a plasma display device using the same.

[0002]

2. Description of the Related Art CRTs, which have been widely used as image display devices, have disadvantages such as large volume and weight.
With the spread of multimedia in recent years, light emitting diodes (LEDs) and liquid crystal (LC) have been used as information interfaces.
D) or plasma addressed liquid crystal (PALC), field emission device (FED), plasma display (PD)
Planar image display devices having features such as P) and other large screens with high image quality, light weight, thinness, and any installation location have been developed, and the range of use thereof has been expanding.

[0003] As a flat-panel image display device that meets such demands, a P-type display device using plasma discharge for switching of liquid crystal is used.
ALC has recently received particular attention as a large-screen color image display device.

In such a PALC, as shown in FIG. 5, discharge electrodes 3 are formed in parallel on a rear plate 1 at predetermined intervals, and the discharge electrodes 3 and the discharge electrodes 3 are formed below the discharge electrodes 3. A base layer 4 for matching the matching of the electrodes 3 is formed on the discharge electrode 3 by forming a partition 2 made of an insulating material. The base layer 4 is formed in a space called a small display cell 9 surrounded by the glass sheet 8 and the partition 2. It has a structure in which a dischargeable gas such as a gas is sealed, and the discharge between the discharge electrodes 3 drives the liquid crystal panel 6 disposed on the glass sheet 8 to be used as a screen display element.

In PALC, the emission of a backlight 7 provided below the back plate 1 is switched by liquid crystal, and each display color is developed by a color filter 5 on the surface of a liquid crystal panel 6 provided above a glass sheet 8. Let me. Therefore, the surface of the back plate 1 on which the display cells 9 are formed is required to have high translucency and aperture.

A specific structure is as follows. A large number of partitions 2 are formed parallel to one surface of the back plate 1, and a display cell 9 is provided between the partitions 2.
A discharge electrode 3 and a base layer 4 are provided at the bottom. The back plate 1 and the liquid crystal panel 6 are bonded together via a glass sheet 8, and a gas is sealed in the display cell 9 to form a PALC.

A method for forming the partition 2 is disclosed in
No. 42149, the screen printing method described in
The sand blasting method described in Japanese Patent No. 213791 is generally known. The screen printing method is a method in which a screen printing layer of about several μm is stacked to a required height to form a partition wall shape. The sand blast method is a method in which a photosensitive resin is adhered onto a coating film for forming the partition walls 2, patterning is performed by exposure, and unnecessary portions are scraped off by sand blast to form a partition wall shape.

The method for forming the discharge electrode 3 includes a general screen printing method and a gravure printing method, and a high-precision pattern such as a photolithography method.

[0009]

However, in the above-mentioned screen printing method, a film thickness of about several μm can be obtained by one printing, and it is necessary to repeat the film printing a plurality of times. In addition, accuracy tends to be unstable due to screen elongation, paste dripping, instability of repeated printing, and the like. Therefore, both the accuracy and the efficiency were very poor.

[0010] On the other hand, in the above sandblasting method, when performing the blasting process, there is a problem that the partition wall and the discharge electrode are peeled off from the joint surface between the partition wall and the discharge electrode, the joint surface between the discharge electrode and the base layer, or both. In addition, there is a problem that a large amount of partition wall material is wasted as cutting powder. Further, expensive equipment such as an exposure apparatus is required, which has raised the product cost.

On the other hand, Japanese Patent Application Laid-Open No. 10-188793
As shown in the above publication, there has been proposed a method of forming a partition by pressing a roll having a groove shape serving as a partition against a partition material and rotating the roll. However, in this method, the partition wall material is always left at the bottom between the partition walls, and when the light transmissivity of the substrate surface is required or when the material of the partition wall and the bottom between the partition walls is made different, the partition wall alone is used. Cannot be formed with high accuracy.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a low-cost, high-precision substrate for a plasma display device with good yield, and a method of manufacturing the same.

[0013]

Means for Solving the Problems The present inventors have conducted intensive studies in view of the above-mentioned problems, and as a result, have found that in a method of manufacturing a substrate for a plasma display device, an insulating substrate having a discharge electrode layer and an underlayer laminated on the entire surface is provided. The partition wall forming composition is molded using a mold, and by removing the partition wall forming composition and the discharge electrode layer and the base layer between the formed partition walls, while suppressing the occurrence of peeling failure of the partition walls and the discharge electrode, The inventors have found that both the quality and the efficiency can be improved at the same time, and have led to the present invention.

That is, the present invention relates to a plasma display device substrate comprising a plurality of partition walls arranged in parallel at predetermined intervals on an insulating substrate, and a discharge electrode and a base layer are laminated below the partition walls. The bonding surface of the discharge electrode with the partition has a convex shape, and the bonding surface of the base layer with the discharge electrode has a convex shape.

Further, the present invention provides a substrate for a plasma display device, comprising: a plurality of partition walls arranged in parallel at a predetermined interval on an insulating substrate, and a discharge electrode and a base layer laminated below the partition walls. (1) A step of pressing a mold having a partition wall forming recess into a single layer or a plurality of layers of the partition wall forming composition to fill a part of the partition wall forming composition into the partition wall forming recess. 2) Step of removing the partition wall forming composition adhered on the mold surface. (3) The above partition wall forming mold is brought into contact with an insulating substrate having a discharge electrode layer and an underlayer laminated on the entire surface to form a partition wall forming recess. (4) Step of removing the discharge electrode layer and the underlayer between the partition walls transferred onto the insulating substrate (5) Formed body obtained by the above step Characterized by being manufactured by a process of firing all at once A.

Further, according to the present invention, there is provided a plasma display device substrate comprising: (1) pressing a mold having a partition wall forming recess into a single layer or a plurality of layers of the partition wall forming composition; (2) a step of contacting the partition-forming mold on an insulating substrate on which a discharge electrode layer and a base layer are formed by lamination on the entire surface and contacting the inside of the partition-forming recess and on the surface (3) removing the partition-forming composition, the discharge electrode layer and the base layer between the partitions transferred onto the insulating substrate; and (4) performing the above-described step. It is characterized in that the obtained formed body is manufactured by a step of firing all at once.

Further, according to the present invention, there is provided a plasma display device substrate comprising: (1) forming a single layer or a plurality of layers for forming a partition wall on an insulating substrate having a discharge electrode layer and a base layer laminated on the entire surface; And pressing a mold having a partition-forming concave portion to form partitions on the insulating substrate. (2) Removing the partition-forming composition, the discharge electrode layer, and the base layer between the partitions formed on the insulating substrate. Step (3) The method is characterized in that the formed body obtained in the above step is manufactured by a step of firing all at once.

[0018]

According to the method of manufacturing a substrate for a plasma display device of the present invention, a discharge electrode is formed on an insulating substrate having a discharge electrode layer and an underlayer laminated on the entire surface while transferring or molding a partition wall while applying pressure. The joining surface with the partition wall and the joining surface with the discharge electrode of the underlayer have convex shapes. As a result, the respective bonding surfaces are pressed and adhered, and at the same time, the contact area is increased, and in the subsequent process, the occurrence of peeling failure of the partition walls and the discharge electrodes can be suppressed. Further, since the discharge electrode has a shape that enters the inside of the partition wall, the cross-sectional area of the discharge electrode is increased, leading to a reduction in line resistance, and thus to a reduction in power consumption.

Further, since the partition wall itself is molded using a mold,
Wasteful removal materials are minimized, and expensive equipment such as exposure equipment is not required, which leads to cost reduction of products.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a substrate for a plasma display device according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is a sectional view of a plasma display device. In the plasma display device, a plurality of discharge electrodes 3 are formed on one surface of a back plate 1. Under the discharge electrode 3, a base layer 4 for matching the matching between the back plate 1 and the discharge electrode 3 is formed. On the discharge electrode 3, a partition 2 for partitioning a space is formed. It is formed.

The liquid crystal panel 6 and the back panel 1 are joined and sealed via the glass sheet 8, and the inside of the panel is filled with a discharge gas to form a switching portion by plasma discharge. Further, a PALC panel is formed by bonding the backlight 7 to a lower portion of the back plate 1.

The substrate for a plasma display device according to the present invention is characterized in that the joint surface 3a of the discharge electrode 3 with the partition 2 has a convex shape. As a result, the bonding strength between the partition 2 and the discharge electrode 3 is improved, and the occurrence of peeling failure of the partition 2 can be suppressed in a post-process such as removal of an unnecessary portion.
By increasing the cross-sectional area of the discharge electrode 3, the line resistance can be reduced and the power consumption can be reduced.

For this purpose, it is preferable that the height h of the convex portion of the discharge electrode 3 in which the bonding surface 3a of the discharge electrode 3 enters the inside of the partition wall 2 is 10 μm or more. This is because the effect of improving the bonding strength is not seen below 10 μm.

The substrate for a plasma display device of the present invention is characterized in that the bonding surface 4a of the underlayer 4 with the discharge electrode 3 has a convex shape. Thereby, the bonding strength between the discharge electrode 3 and the underlayer 4 is improved, and the occurrence of peeling failure of the discharge electrode 3 can be suppressed in a post-process such as removal of an unnecessary portion. For this purpose, the height t of the protrusion of the underlayer 4 in which the bonding surface 4a of the underlayer 4 enters the inside of the discharge electrode 3 is 10 μm.
m or more is preferable. This is because the effect of improving the bonding strength is not seen below 10 μm.

Next, a method of manufacturing a substrate for a plasma display device according to the present invention will be described in detail with reference to FIGS.

FIG. 2 shows a method of manufacturing a substrate for a plasma display device according to the present invention.

First, as shown in FIG.
A partition material sheet 10 made of a plastic-forming partition-forming composition is formed thereon. The partition material sheet 10 formed at this time may be a single layer or a plurality of layers made of different materials.

Next, as shown in FIG. 2B, a partition material sheet 1 is formed by a partition forming die 11 having a partition forming recess 11a.
0 is press-formed, the partition material sheet 10 is plastically deformed, a part of which is filled in the partition-forming recess 11 a, and attached to the partition-forming mold 11.

Then, as shown in FIG. 2C, the partition material sheet 10 adhered to the surface of the partition mold 11 is removed by a scraper 13 or the like.

Next, as shown in FIG. 2 (d), the above-mentioned partition wall is formed on the back plate 1 in which the discharge electrodes 3 and the underlayer 4 are formed on the entire back plate 1 in advance by a conventional method such as a printing method or a gravure printing method. The partition 2 formed by filling the partition 11 into the recess 11a for partition formation is brought into contact with the mold 11 under pressure while being positioned.
Transfer to

At this time, the discharge electrode 3 and the underlayer 4 behave partially so as to partially fill the recess 11a for forming the partition wall due to the pressure applied during the transfer of the partition wall 2. As a result, the partition 2 of the discharge electrode 3
And the bonding surface 4a of the underlayer 4 with the discharge electrode 3 are convex.

Next, as shown in FIG. 2E, the discharge electrode 3 and the base layer 4 between the partition walls 2 are removed by a conventional method such as a sand blast method. At this time, a protective layer may be provided on the surface of the partition 2 in order to protect the partition 2 from the removing step. Finally, the obtained compact is fired at a predetermined temperature pattern.

FIG. 3 shows another method of manufacturing a substrate for a plasma display device according to the present invention.

First, as shown in FIG.
A partition material sheet 10 made of a plastic-forming partition-forming composition is formed thereon. The partition material sheet 10 formed at this time may be a single layer or a plurality of layers made of different materials.

Next, as shown in FIG. 3B, a partition material sheet 1 is formed by a partition forming die 11 having a partition forming concave portion 11a.
0 is press-formed, the partition material sheet 10 is plastically deformed, a part of which is filled in the partition-forming recess 11 a, and attached to the partition-forming mold 11.

Next, as shown in FIG. 3 (c), the partition walls are formed on the back plate 1 in which the discharge electrodes 3 and the underlayer 4 are previously formed on the entire back plate 1 by a conventional method such as a printing method or a gravure printing method. The mold 11 is brought into contact under pressure while being positioned, and the partition 2 formed in the inside and on the surface of the partition-forming recess 11 a is transferred to the back plate 1.

At this time, the discharge electrode 3 and the base layer 4 have a behavior of partially filling the partition wall forming recess 11a by the pressing force at the time of transferring the partition wall 2. As a result, the partition 2 of the discharge electrode 3
And the bonding surface 4a of the underlayer 4 with the discharge electrode 3 are convex.

Next, as shown in FIG. 3D, the partition material sheet 10, the discharge electrodes 3 and the base layer 4 between the partitions 2 are removed by a conventional method such as a sand blast method. At this time, a protective layer may be provided on the surface of the partition 2 in order to protect the partition 2 from the removing step. Finally, the obtained compact is fired at a predetermined temperature pattern.

FIG. 4 shows another method of manufacturing a substrate for a plasma display device according to the present invention.

First, as shown in FIG. 4 (a), a discharge electrode 3 and a base layer 4 are formed on the entire surface of the back plate 1 by a conventional method such as a printing method or a gravure printing method. A partition material sheet 10 made of the composition is formed.
The partition material sheet 10 formed at this time is a single layer or
Any of a plurality of layers made of different materials may be used.

Next, as shown in FIG. 4B, a partition material sheet 1 is formed by a partition forming die 11 having a partition forming recess 11a.
0 is pressure-formed to form a partition 2 on the back plate 1. At this time, the discharge electrode 3 and the base layer 4 take a behavior of partially filling the partition wall forming concave portion 11 a by the pressing force at the time of forming the partition wall 2. As a result, the joint surface 3a of the discharge electrode 3 with the partition 2 and the joint surface 4a of the base layer 4 with the discharge electrode 3 have convex shapes.

Next, as shown in FIG. 4C, the partition material sheet 10, the discharge electrodes 3 and the base layer 4 between the partitions 2 are removed by a conventional method such as a sand blast method. At this time, a protective layer may be provided on the surface of the partition 2 in order to protect the partition 2 from the removing step. Finally, the obtained compact is fired at a predetermined temperature pattern.

The partition wall material sheet 10 may be prepared by directly applying a partition wall forming composition comprising a ceramic or glass powder, an organic additive, and a solvent on the flat plate 12 and drying the sheet, or by previously applying a tape to the partition wall forming composition. It can be formed by any method such as molding, transferring the image onto the flat plate 12, and bringing it into close contact.

The partition wall forming composition used in the present invention may be any glass material made of ceramic or glass powder which becomes vitreous after firing and can maintain airtightness. A mixture of the oxide ceramic powder and the like can be used as the inorganic component, and a mixture of the inorganic component, the solvent, and the organic additive can be appropriately adjusted and used according to the molding conditions of the partition 2.

As the low melting point glass powder, various glass materials containing silicate as a main component and containing at least one of lead oxide, zinc, sulfur, selenium, alum, manganese, alkali salt, bismuth oxide and the like are used. Can be. The ceramic or glass powder has a particle size of several tens of μm to submicron, and is preferably in the range of 0.2 to 10 μm, more preferably 0.2 to 5 μm.

The solvent is not particularly limited as long as it is compatible with the organic additive.

As the organic additive, a thermoplastic resin, an ultraviolet curable resin, a photocurable resin, a thermosetting resin, or the like can be used. In addition, various organic substances such as a dispersant, a release agent, a curing agent, a lubricant, and a plasticizer can be used.

The partition forming die 11 has a large number of partition forming recesses 11a each having a groove corresponding to the size, pitch and the like of the partition 2. The shape may be any of a flat plate shape, a cylindrical shape, and the like. The material may be metal, ceramic, resin, or the like.

The scraper 13 may be any material such as a blade, a mesh, a wire, a brush made of metal, resin, ceramic or the like, as long as the material sheet on the surface of the mold can be removed.

As the transparent insulating substrate used as the back plate 1 of the present invention, a transparent glass substrate such as soda lime glass, low soda glass, lead alkali silicate glass, borosilicate glass, and alkali-free glass can be used. it can.

The discharge electrodes 3 formed in advance on the back plate 1 include Ag, Ni, Al, Pt, Au, Pd, C
It can be formed using a conductive metal such as u, an alloy or a compound thereof, or a conductive paste in which a small amount of low-melting glass is mixed with the conductive metal or an alloy thereof.

An underlayer 4 previously formed on the back plate 1
Any material can be used as long as it becomes glassy after firing and can be made of a ceramic or glass powder capable of matching the back plate 1 and the discharge electrode 3. For example, a mixture of a low-melting glass powder and an oxide ceramic powder is made of inorganic material. Can be used as a component.

The means for forming each material sheet made of each composition on the flat plate 12 is not particularly limited, but may be, for example, a roll coater, a doctor blade, screen printing, gravure printing or the like. Flat plate 1
2, a method of cutting a material having a predetermined sheet shape by a tape forming machine or a roll rolling machine into a desired shape, and transferring it to the flat plate 12 can be used. What is necessary is just to be able to form with a uniform film thickness.

The flat plate 12 may be any flat plate, and is not particularly limited.

Further, in the above-described embodiment, the description has been made by taking a plasma addressed liquid crystal (PALC) as an example. However, the present invention is also applicable to general substrates for plasma display devices such as a field emission device (FED) and a plasma display (PDP). it can.

[0057]

EXAMPLES Next, the substrate for a plasma display device of the present invention and a method of manufacturing the same were evaluated as follows. (Embodiment 1) First, a flat plate 12 having a thickness of 3 mm and 40
Using an inch size soda lime glass, using a powder containing lead glass as a main component as a composition for forming a partition wall, a binder, a solvent, a dispersant, a viscosity adjuster, and a plasticizer added thereto, and using this as a flat plate 12 was applied by a slit coater and dried to form a partition material sheet 10.

Next, as the partition wall forming mold 11, a pitch of 600 μm was used.
m, the width of the concave portion 11a is 150 μm, the width of the convex portion is 450 μm, and the depth of the concave portion is 250 μm. 11 was attached. Next, the partition wall material sheet 10 adhered to the surface of the partition wall forming mold 11 is hardened with a hard rubber blade-type scraper 13.
Was removed.

Thereafter, the entire surface of the alkali-free glass having a thickness of 2 mm and a size of 40 inches was screen-printed to a thickness of 2 mm.
The partition wall mold 11 was aligned with the back plate 1 on which the discharge electrode 3 having a thickness of 60 μm was previously formed by laminating a 0 μm base layer 4, and the partition wall 2 was transferred onto the back plate 1 by pressurized contact.

Thereafter, the discharge electrode 3 and the base layer 4 between the formed partition walls 2 are removed by sandblasting, and the back plate 1 is removed.
Was fired at 580 ° C. in the air to obtain a substrate for a plasma display device of the present invention.

When the obtained substrate for a plasma display device was inspected with an appearance inspection device by image processing, peeling of the partition walls 2 and the discharge electrodes 3 was not observed, and a favorable result was obtained. When the cross section of the substrate was observed with a scanning electron microscope (SEM), the height h of the projection of the discharge electrode 3 into which the discharge electrode 3 entered the partition 2 was 32.
μm, and the height t of the protrusion of the underlayer 4 in which the underlayer 4 entered the inside of the discharge electrode 3 was 19 μm. (Embodiment 2) First, a flat plate 12 having a thickness of 3 mm and 40
Using an inch size soda lime glass, using a powder containing lead glass as a main component as a composition for forming a partition wall, a binder, a solvent, a dispersant, a viscosity adjuster, and a plasticizer added thereto, and using this as a flat plate 12 was applied by a slit coater and dried to form a partition material sheet 10.

Next, a 600 μm pitch was used as the partition mold 11.
m, the width of the concave portion 11a is 150 μm, the width of the convex portion is 450 μm, and the depth of the concave portion is 250 μm. 11 was attached.

Thereafter, the entire surface of the non-alkali glass having a thickness of 2 mm and a size of 40 inches was screen-printed to a thickness of 2 mm.
The partition wall mold 11 was aligned with the back plate 1 on which the discharge electrode 3 having a thickness of 60 μm was previously formed by laminating a 0 μm base layer 4, and the partition wall 2 was transferred onto the back plate 1 by pressurized contact.

Thereafter, the partition material sheet 10, the discharge electrode 3 and the base layer 4 between the formed partition walls 2 are removed by sandblasting, and the back plate 1 is fired at 580 ° C. in the air.
A substrate for a plasma display device of the present invention was obtained.

When the obtained substrate for a plasma display device was inspected with an appearance inspection device by image processing, peeling of the partition walls 2 and the discharge electrodes 3 was not observed, and a favorable result was obtained. When the cross section of the substrate was observed with a scanning electron microscope (SEM), the height h of the projection of the discharge electrode 3 into which the discharge electrode 3 entered the partition 2 was 23.
μm, and the height t of the protrusion of the underlayer 4 in which the underlayer 4 entered the inside of the discharge electrode 3 was 14 μm. Example 3 First, the entire surface of a non-alkali glass having a thickness of 2 mm and a size of 40 inches was screen-printed to a thickness of 20 mm.
On a back plate 1 on which a 60 μm-thick discharge electrode 3 is previously formed by laminating a 60 μm-thick underlayer 4, a partition wall obtained by adding a binder, a solvent, a dispersant, a viscosity modifier and a plasticizer to a powder mainly composed of lead glass. The composition for molding was applied with a slit coater, and dried to form a partition material sheet 10.

Next, a 600 μm pitch was used as the partition mold 11.
m, the partition wall material sheet 10 was pressurized and plastically deformed to form the partition wall 2 using a partition wall forming die having a concave portion 11a having a width of 150 μm, a convex portion having a width of 450 μm, and a concave portion having a depth of 250 μm.

After that, the partition wall material sheet 10 between the formed partition walls 2, the discharge electrodes 3 and the base layer 4 are removed by sandblasting, and the back plate 1 is baked at 580 ° C. in the air.
A substrate for a plasma display device of the present invention was obtained.

When the obtained substrate for a plasma display device was inspected by an appearance inspection device by image processing, peeling of the partition walls 2 and the discharge electrodes 3 was not observed, and a favorable result was obtained. When the cross section of this substrate was observed with a scanning electron microscope (SEM), the height h of the projection of the discharge electrode 3 into which the discharge electrode 3 entered the inside of the partition wall 2 was 27.
μm, and the height t of the protrusion of the underlayer 4 in which the underlayer 4 entered the inside of the discharge electrode 3 was 16 μm. (Comparative Example) Lead glass was mainly formed on a back plate 1 on which a 20 μm-thick underlayer 4 and a 60 μm-thick discharge electrode 3 were previously formed by screen printing over the entire surface of a non-alkali glass having a thickness of 2 mm and a size of 40 inches. A partition composition obtained by adding a binder, a solvent, a dispersant, a viscosity modifier, and a plasticizer to the powder as a component was applied using a slit coater, and dried to form a partition material sheet 10 having a thickness of 250 μm.

Next, a photosensitive resist material is applied on the partition wall material sheet 10, exposed and developed, and the line width 15
A 0 μm resist was formed.

After that, the partition wall material sheet 10, the discharge electrodes 3 and the underlayer 4 are selectively removed by sandblasting, and the resist is washed.
The substrate was baked at 0 ° C. to obtain a substrate for a plasma display device of the present invention.

When the obtained substrate for a plasma display device was inspected by an appearance inspection apparatus by image processing, 31 peeling failures of the partition wall 2 and 9 peeling failures of the discharge electrode 3 occurred in the plane. It was confirmed that. Also,
Observation of the cross section of this substrate with a scanning electron microscope (SEM) revealed that the joint surface between the partition 2 and the discharge electrode 3 and the joint surface between the discharge electrode 3 and the underlayer 4 were almost linear.

As is clear from these results, in the comparative example, the occurrence of peeling failure of the partition wall 2 and the discharge electrode 3 cannot be suppressed. On the other hand, Examples 1 to 3 of the present invention
In this case, the occurrence of peeling failure of the partition wall 2 and the discharge electrode 3 can be suppressed.

The present invention is not limited to the embodiments.

[0074]

As described above, according to the method for manufacturing a substrate for a plasma display device of the present invention, the bonding surface of the discharge electrode with the partition wall and the bonding surface of the base layer with the discharge electrode can be made convex. In addition, the occurrence of peeling failure of the partition and the discharge electrode can be suppressed, and the cross-sectional area of the discharge electrode can be increased to reduce the line resistance.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a plasma display device substrate according to the present invention.

FIGS. 2A to 2E are diagrams illustrating a method of manufacturing a substrate for a plasma display device according to the present invention.

FIGS. 3A to 3D are diagrams illustrating a method of manufacturing a substrate for a plasma display device according to the present invention.

FIGS. 4A to 4C are diagrams illustrating a method of manufacturing a substrate for a plasma display device according to the present invention.

FIG. 5 is a schematic sectional view of a general PALC substrate.

[Explanation of symbols]

 1: back plate 2: partition wall 3: discharge electrode 3a: bonding surface 4: underlayer 4a: bonding surface 5: color filter 6: liquid crystal panel 7: backlight 8: glass sheet 9: display cell 10: partition material sheet 11: Partition forming die 11a: Partition forming concave portion 12: Flat plate 13: Scraper h: Discharge electrode convex portion height t: Underlayer convex portion height

Claims (6)

[Claims] 1. A plasma display device substrate comprising: a plurality of partition walls arranged in parallel at predetermined intervals on an insulating substrate, and a discharge electrode and a base layer laminated below the partition walls. A substrate for a plasma display device, wherein a bonding surface with a partition has a convex shape. 2. The substrate for a plasma display device according to claim 1, wherein a bonding surface of the underlayer with the discharge electrode has a convex shape. 3. A plasma display device substrate comprising a plurality of partition walls arranged in parallel at a predetermined interval on an insulating substrate, and a discharge electrode and a base layer laminated below the partition walls by the following steps: A method for manufacturing a substrate for a plasma display device, characterized by manufacturing. (1) A step of pressing a mold having a partition wall forming recess into a single layer or a plurality of layers of the partition wall forming composition to fill a part of the partition wall forming composition into the partition wall forming recess. Step of removing the partition wall forming composition adhered on the mold surface (3) The above partition wall forming mold is brought into contact with an insulating substrate on which a discharge electrode layer and a base layer are formed by lamination on the entire surface, so that the inside of the partition wall forming recess is formed. Step of transferring the composition for partition wall formation onto the insulating substrate (4) Step of removing the discharge electrode layer and the base layer between the partition walls transferred onto the insulating substrate (5) Collectively forming the formed body obtained by the above step Firing process 4. A plasma display device substrate comprising a plurality of partition walls arranged in parallel at a predetermined interval on an insulating substrate, and a discharge electrode and a base layer laminated below the partition walls by the following steps: A method for manufacturing a substrate for a plasma display device, characterized by manufacturing. (1) A step of pressing a mold having a partition wall forming recess into a single layer or a plurality of layers of the partition wall forming composition to fill a part of the partition wall forming composition into the partition wall forming recess. (3) a step of bringing the above-mentioned partition-forming mold into contact with an insulating substrate having a discharge electrode layer and a base layer formed on the entire surface thereof and transferring the partition-forming composition in the partition-forming concave portion and on the surface to the insulating substrate; ) A step of removing the partition wall forming composition between the partition walls transferred onto the insulating substrate, the discharge electrode layer, and the underlayer. (4) A step of collectively firing the formed body obtained in the above step. 5. A plasma display device substrate having a plurality of partition walls arranged in parallel at predetermined intervals on an insulating substrate, and a discharge electrode and a base layer laminated below the partition walls by the following steps: A method for manufacturing a substrate for a plasma display device, characterized by manufacturing. (1) A single layer or a plurality of layers of a composition for forming a partition is formed on an insulating substrate having a discharge electrode layer and a base layer laminated on the entire surface, and a mold having a recess for forming a partition is pressed to form the composition on the insulating substrate. (2) Step of removing the partition wall forming composition, the discharge electrode layer and the underlayer between the partition walls formed on the insulating substrate (3) Batch firing the formed body obtained in the above step Process 6. A plasma display device using the substrate for a plasma display device according to claim 1.