CN100377282C - Plasma display partition wall employing black corrosion inhibitor and making method thereof - Google Patents
Plasma display partition wall employing black corrosion inhibitor and making method thereof Download PDFInfo
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- CN100377282C CN100377282C CNB2004100677600A CN200410067760A CN100377282C CN 100377282 C CN100377282 C CN 100377282C CN B2004100677600 A CNB2004100677600 A CN B2004100677600A CN 200410067760 A CN200410067760 A CN 200410067760A CN 100377282 C CN100377282 C CN 100377282C
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- black
- corrosion inhibitor
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- partition wall
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Abstract
The present invention relates to a plasma display partition wall using black corrosion inhibitors, and a making method thereof. The plasma display partition wall comprises a black photosensitive corrosion inhibitor layer model which has corrosion resistance through sand blasting and simultaneously can etch photos, and a white paint layer formed at the lower part of the black photosensitive corrosion inhibitor layer model. The present invention does not use DFR films but spread paraffin wax and black photosensitive corrosion inhibitors on white paint to be formed, and then the black corrosion inhibitors and the paraffin wax are used for carrying out sand blasting for the white paint which is sintered to form the partition wall, so that the step of using expensive DFR films is eliminated, the expenses are saved, and the process steps are decreased. The present invention not only can solve the problem of performance degradation caused by the removal of the DFR films, but also have the effect of improving the performance.
Description
(1) technical field
The invention relates to the technology of plasma display partition wall and preparation method thereof.Especially do not use dry film protective layer (Dry Film Resist:DRF) about plasma display partition wall, and be to use a kind of plasma display partition wall that uses black corrosion inhibitor with photosensitive black corrosion inhibitor layer making and preparation method thereof.
(2) background technology
TFT liquid crystal display (LCD), electroluminescent display (EL), Field Emission Display (FED) etc. all is a display device of future generation, at present, just be subjected to plasma display (the PlsamaDisplay Panel of people's favor, hereinafter to be referred as " PDP ") equipment is a kind of by the He+Xe in the discharge cell body of being isolated by spaced walls (barrier rib), perhaps the ultraviolet irradiation of the 147nm that produces during the Ne+Xe gas discharge is red, green, blue (R, G, B) fluorophor, and utilize luminescence phenomenon that the energy difference of fluorophor when irradiating state is got back to basic status produce and the display device of display image.Because above-mentioned PDP display device simple structure is made easily, has high brightness and high-luminous-efficiency, high memory function, higher non-linearity, the above characteristics such as wide viewing angle of 160 degree.Therefore, occupying 40 " more than have its special advantages aspect the large-scale display device market.
PDP roughly can be divided into two kinds of AC type (AC) and once-through types (DC).Here, structure and the manufacture method to relevant AC type PDP is elaborated.
Fig. 1 is the sectional view of the common AC type PDP equipment of expression.At first, the lower plate of PDP equipment is made of following several parts: form the partition film 2 that the alkali ion that can prevent to contain on the bottom glass panel 1 soaks into by the method to the front plated film of bottom glass panel 1; The addressing electrode 3 of the discharge cell body that on the part of above-mentioned partition film 2, forms; The lower plate dielectric 4 that forms previously at the partition film 2 that comprises above-mentioned addressing electrode 3; Be positioned at the spaced walls 5 of isolating the discharge cell body on the above-mentioned lower plate dielectric 4; The fluorophor 6 that on the lower plate dielectric 4 of isolating, forms by above-mentioned spaced walls 5.
At this moment, above-mentioned partition film 2 is normally by Sio
2Film is made, and it soaks on the addressing electrode of making of the Ag material 3 by stoping the alkali ion (Na, K, Ca, Li etc.) that contains on the bottom glass panel 1, thereby the addressing voltage that prevents equipment rises.
In addition, the upper plate of plasma display device equipment is made of following components: transparency electrode 12 that forms on top glass panel 11 and bus (BUS) electrode 13 that reduces the resistance value of transparency electrode 12; At the lower floor's dielectric 14 that forms previously of the top glass panel 11 that contains above-mentioned transparency electrode 12 and BUS electrode 13 with at the upper strata dielectric 15 that forms previously of lower floor's dielectric 14; Be positioned at the front of above-mentioned upper strata dielectric 15, protection upper strata dielectric 15 is not subjected to the diaphragm 16 of the influence of plasma discharge.The upper plate of Xing Chenging is arranged on diaphragm 16 on the position relative with the spaced walls 5 of above-mentioned lower plate and fluorophor 6 like this.
Above-mentioned spaced walls 5 is obscured (crosstalk) mutually and is being brought into play important effect for preventing electrical property and optical property between the discharge cell body, its material mainly uses pottery (ceramic) or glass one pottery (glass-ceramic), the width of spaced walls is approximately 70～100 μ m, highly is about 120～200 μ m.
As mentioned above, about 80% of spaced walls 5 total heights is by containing Tio
2Perhaps Al
2o
3High reflection-type transparency dielectric layer (being positioned at the bottom of spaced walls 5) form, all the other about 20% are to be formed by the black dielectric layer that can effectively absorb exterior light (being positioned at the top of spaced walls 5).
On the other hand, above-mentioned spaced walls 5 is by silk screen print method, sand-blast (sandblasting), and perhaps addition process methods such as (additing) is made.Wherein, the method for commonplace use is a sand-blast.Below, with reference to the flow process sectional view of Fig. 2 a to Fig. 2 e this method is elaborated.
Shown in Fig. 2 a, at first, on the following glass plate 20 that forms partition film, addressing electrode and the dielectric plasma display lower plate of lower plate successively, form high reflection-type transparent dielectric successively, promptly white paint layer 21 and black paint layer 22 by print process.Above-mentioned white paint layer 21 is to sneak into to improving reflection characteristic and control capacittance rate with the Tio of particle diameter below 2 μ m in the polyphenyl of 1～2 μ m size and two azoles (hereinafter to be referred as PbO) or non-polyphenyl and two azoles (hereinafter to be referred as non-PbO) glass attritive powder
2Perhaps Al
2o
3And so on attritive powder shape oxide (tens percent) mixed-powder of forming according to a certain percentage, and it mixed with organic solvent and form, its viscosity is approximately 40000～50000cps.The black paint layer 22 that is arranged in its top normally diameter be the PbO of 1～2 μ m size or non-PbO glass micropowder sneak into for absorb exterior light by a certain percentage (a few percent) add black pigment (black pigment) and for keep hardness by a certain percentage (percent is all) to add particle diameter be the Al of 2～3 μ m sizes
2o
3Powder and forming, the paint of its viscosity model in 30000～40000cps encloses is printed on it the top of above-mentioned white paint 21 then and forms.Simultaneously, it be carried out dried in 100～150 degrees centigrade temperature range.
In addition, shown in Fig. 2 b, form DFR film 23 on the top of above-mentioned black paint layer 22 by laminating (Laminating).
Then, shown in Fig. 2 c, utilize mould (mask) (not shown) that above-mentioned DFR is carried out ultraviolet exposure and development, and it is finalized the design.
Then, shown in Fig. 2 d, the model of above-mentioned DFR film 23 is used as mould (mask), the black paint layer 22 and the white paint layer 21 of exposure is removed by the sand-blast of the fine glass powder of Si Teenshi ejecting gun (sten gun) emission, thus the shape of formation spaced walls.
At last, shown in Fig. 2 e, after using alkaline solution that residual DFR film 23 is removed, in 100～150 degrees centigrade temperature range, carry out dried.Under oxidizing condition, carry out roasting then.Bake temperature generally between 550～600 degrees centigrade.The fineness of the interior tissue of spaced walls is along with the composition of model glass and filler and content and change.
As mentioned above, spaced walls forming process originally must form DFR film 23 in addition on the top of the black paint layer 22 that forms spaced walls, and utilizes it as protective layer, after forming spaced walls, removes above-mentioned DFR film 23 with alkaline solution.Complex procedures so not only, expense is higher, and yield is lower, and this is its existing problem.In addition, in order to remove above-mentioned DFR film 23, will utilize the wet type removing method of alkaline solution to be removed.Like this, the ion of moisture and alkali will be impregnated in the spaced walls 5, and discharge range will produce impure gas.So just must in 100～150 degrees centigrade temperature range, above-mentioned moisture be removed, so that it is carried out dried by certain operation.Therefore, the problem that its performance and yield reduce will appear.
(3) summary of the invention
The objective of the invention is for solving above-mentioned these problems, a kind of plasma display partition wall that uses the black corrosion inhibitor layer and preparation method thereof is provided, promptly do not use the DFR film, but with paraffin with black corrosion inhibitor with photobehavior is directly coated on the white paint and with its typing, utilize it that the white paint of exposure is carried out blasting treatment again and form the shape of spaced walls.Then, carry out roasting like this, thereby be made into spaced walls.Thereby reduced the step of using the DFR film of high price, reduced expense, reduced operation, and can prevent the low problem of performance.
To achieve these goals, plasma display partition wall according to the use black corrosion inhibitor layer of the embodiment of the invention has the feature that is made of following several parts: have patience and photosensitive black corrosion inhibitor layer after blasting treatment, described photosensitive black corrosion inhibitor layer includes: at particle diameter is to sneak in the polyphenyl of 1～2 μ m size and two azoles or non-polyphenyl and the two azoles glass micropowders to absorbing black pigment that exterior light adds by a certain percentage and adding the Al that particle diameter is 2～3 μ m sizes in proportion for maintenance hardness
2o
3Powder; And the white paint layer that forms in the bottom of above-mentioned light sensitive black protection model.
Above-mentioned light sensitive black anticorrodent layer has following feature: promptly comprise with light neutrality monomer (monomer), developer, bonding nertralizer, additive, and solvent (solvent) etc. is main organic substance.
In addition, the manufacture method of the plasma display partition wall of use black corrosion inhibitor of the present invention has the feature that is made of several down several steps: the 1st step forms the step of white paint layer on the top of face glass by the method for silk screen printing; The 2nd step, the step that comprises the light sensitive black anticorrodent of paraffin in the coating of the top of above-mentioned white paint layer, described black corrosion inhibitor layer is meant, with particle diameter be the polyphenyl of 1～2 μ m size and two azoles or non-polyphenyl and two azoles glass micropowders, for absorbing black pigment that exterior light adds in proportion and adding the Al that particle diameter is 2～3 μ m sizes for maintenance hardness
2o
3Powder is made the paint of viscosity in 30000～40000cps scope; The 3rd step is through overexposure, development and step that the spaced walls form is finalized the design; The 4th step is the paraffin composition fusing step of heat treatment that above-mentioned black corrosion inhibitor is contained; The 5th step utilizes mould (mask) that the black corrosion inhibitor layer of above-mentioned formation is carried out blasting treatment, the step of carrying out roasting after the white paint layer of above-mentioned exposure is removed.
Effect of the present invention:
As mentioned above, plasma display partition wall of the use black corrosion inhibitor of black corrosion inhibitor layer of the present invention and preparation method thereof has used the plasma display partition wall of black corrosion inhibitor layer, do not use the DFR film, but paraffin (wax) and black corrosion inhibitor with photobehavior are coated on the white paint layer, finalize the design then, after above-mentioned white paint layer is carried out blasting treatment, form spaced walls thereby carry out roasting like this.Reduced and used the step of the DFR film of high price, thereby can reduce expenses, reduced operation.Simultaneously, can prevent to cause the low problem of performance, and have the effect of improving performance because of removing the DFR film.Therefore, the present invention can reduce expense, reduces operation, and can improve its yield.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the sectional view of the existing plasma display device equipment of expression.
Fig. 2 a to Fig. 2 e is the sectional view of the spaced walls manufacture method of the existing plasma display device equipment of expression.
Fig. 3 a to Fig. 3 d is the sectional view of expression according to the spaced walls manufacture method of one embodiment of the invention.
The symbol description of major part in the accompanying drawing
1: bottom glass panel 2: cut off film
3: addressing electrode 4: the lower plate dielectric
5: spaced walls 6: fluorophor
11: top glass panel 12: transparency electrode
13: bus (BUS) electrode 14: lower floor's dielectric
15: upper strata dielectric 16: diaphragm
20: face glass 21: white paint layer
22: black paint 23:DFR film
30: the black corrosion inhibitor layer
(5) embodiment
Below, the embodiment to plasma display partition wall of use black corrosion inhibitor layer of the present invention and preparation method thereof is elaborated with reference to accompanying drawing.
Fig. 3 a to Fig. 3 d is the flow process sectional view of expression according to the spaced walls manufacturing process of one embodiment of the invention, as shown in the figure, does not use the DFR film, but directly uses black corrosion inhibitor layer 30 to form spaced walls.
At first, as shown in Figure 3, on the bottom glass panel 20 that forms partition film, addressing electrode and the dielectric plasma display lower plate of lower plate successively, form white paint layer 21 and black corrosion inhibitor layer 30 successively.Above-mentioned white paint layer 21 is to sneak in the PbO of 1～2 μ m size or non-PbO glass micropowder to improving reflection characteristic and control capacittance rate with the Tio of particle diameter below 2 μ m
2Perhaps Al
2o
3And so on micronized oxide (tens percent) mixed-powder of forming according to a certain percentage, and it mixed with organic solvent and form, its viscosity is approximately 40000～50000cps.The black corrosion inhibitor layer 30 that is arranged in its top normally diameter be the PbO of 1～2 μ m size or non-PbO glass micropowder sneak into for absorb exterior light by a certain percentage (a few percent) add black pigment and for keep hardness by a certain percentage (a few percent) to add particle diameter be the Al of 2～3 μ m sizes
2o
3Powder and the paint of viscosity in 30000～40000cps scope that form are printed on it the top of white paint 21 then and form.Above-mentioned black corrosion inhibitor layer 30 contains with light neutrality monomer (monomer), developer, bonding nertralizer, additive, and solvent (solvent) etc. is main organic substance.Simultaneously, also contain paraffin about tens percent.
Then, shown in Fig. 3 b, utilize mould (mask) (not shown) that above-mentioned black corrosion inhibitor layer 30 is exposed and develop, and form the model of spaced walls.
Then, shown in Fig. 3 c, the paraffin composition that contains on the above-mentioned black corrosion inhibitor layer 30 is carried out about 30 minutes heating in about 100～200 degrees centigrade temperature range, so that it fully is distributed to the inside of black corrosion inhibitor layer 30.Strengthen the patience of above-mentioned black corrosion inhibitor layer 30 in this way, help carrying out the operation of back like this, promptly carry out blasting treatment.
Then, shown in Fig. 3 d, in carrying out above-mentioned blasting treatment process, the above-mentioned black corrosion inhibitor layer 30 that will have patience is as mould (mask), after the white paint layer 21 of exposure carried out blasting treatment, carry out roasting like this, thereby form the spaced walls of plasma display.
As shown in the figure, the present invention is directly with the black layer of black corrosion inhibitor layer 30 as spaced walls.Even do not use the DFR film like this, also can carry out blasting treatment, thereby can save the expense of the DFR film that uses high price, and make operation become simple white paint layer 21.Therefore, can improve recovery rate.In addition, because do not use the DFR film, so just solved the problem that alkali ion and moisture soak into to spaced walls yet.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1. plasma display partition wall that uses the black corrosion inhibitor layer is characterized in that:
Have corrosion resistance and photosensitive black corrosion inhibitor layer through blasting treatment, described photosensitive black corrosion inhibitor layer includes:
At particle diameter is to sneak in the polyphenyl of 1～2 μ m size and two azoles or non-polyphenyl and the two azoles glass micropowders to absorbing black pigment that exterior light adds by a certain percentage and adding the Al that particle diameter is 2～3 μ m sizes in proportion for maintenance hardness
2O
3Powder; And
The white paint layer that forms in the bottom of described light sensitive black anticorrodent layer model.
2. the plasma display partition wall of use black corrosion inhibitor layer as claimed in claim 1 is characterized in that:
Described light sensitive black anticorrodent layer contains with light neutrality monomer, developer, bonding nertralizer, additive, and solvent is main organic substance.
3. the plasma display partition wall of use black corrosion inhibitor layer as claimed in claim 1 is characterized in that:
Described light sensitive black anticorrodent layer contains a certain proportion of paraffin, to carry out blasting treatment.
4. the manufacture method of the plasma display partition wall of a use black corrosion inhibitor layer as claimed in claim 1 is characterized in that being made of following step:
The 1st step forms the step of white paint layer on the top of face glass by silk screen print method;
The 2nd step, the step that contains the light sensitive black anticorrodent layer of paraffin in the coating of the top of described white paint layer, described black corrosion inhibitor layer is meant, with particle diameter be the polyphenyl of 1～2 μ m size and two azoles or non-polyphenyl and two azoles glass micropowders, for absorbing black pigment that exterior light adds in proportion and adding the Al that particle diameter is 2～3 μ m sizes for maintenance hardness
2O
3Powder is made the paint of viscosity in 30000～40000cps scope;
The 3rd step is exposed, is developed described light sensitive black anticorrodent layer, and the step of finalizing the design according to the spaced walls form;
The 4th step is carried out heat treated with the paraffin composition that contains in the described black corrosion inhibitor layer, so that the step of its fusing;
The 5th step is used as mould with the described black corrosion inhibitor layer that forms, and carries out blasting treatment, after removing the white paint layer of described exposure, and the step of carrying out roasting.
5. the manufacture method of the plasma display partition wall of use black corrosion inhibitor layer as claimed in claim 4 is characterized in that:
In described the 4th step, to the temperature of the described paraffin composition heat treated scope at 100～200 degrees centigrade, the time of heat treated is 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100677600A CN100377282C (en) | 2004-11-03 | 2004-11-03 | Plasma display partition wall employing black corrosion inhibitor and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100677600A CN100377282C (en) | 2004-11-03 | 2004-11-03 | Plasma display partition wall employing black corrosion inhibitor and making method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1770362A CN1770362A (en) | 2006-05-10 |
| CN100377282C true CN100377282C (en) | 2008-03-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10269936A (en) * | 1997-03-26 | 1998-10-09 | Mitsubishi Electric Corp | Gas discharge display panel and its manufacture |
| CN1317815A (en) * | 2001-06-12 | 2001-10-17 | 达碁科技股份有限公司 | Technology for making isolating plate of plasma display and backboard structure of display |
| JP2003287904A (en) * | 2002-03-27 | 2003-10-10 | Nec Kagoshima Ltd | Pattern formation method and manufacturing method of flat display panel using the same |
-
2004
- 2004-11-03 CN CNB2004100677600A patent/CN100377282C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10269936A (en) * | 1997-03-26 | 1998-10-09 | Mitsubishi Electric Corp | Gas discharge display panel and its manufacture |
| CN1317815A (en) * | 2001-06-12 | 2001-10-17 | 达碁科技股份有限公司 | Technology for making isolating plate of plasma display and backboard structure of display |
| JP2003287904A (en) * | 2002-03-27 | 2003-10-10 | Nec Kagoshima Ltd | Pattern formation method and manufacturing method of flat display panel using the same |
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| Publication number | Publication date |
|---|---|
| CN1770362A (en) | 2006-05-10 |
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