KR101046974B1 - Photosensitive paste composition, PD electrodes manufactured using the same, and PDs containing the same - Google Patents

Abstract

The present invention relates to a photosensitive paste composition, and more particularly to a photosensitive paste composition comprising a conductive powder, an inorganic binder, an organic vehicle, and a cyclic acid anhydride. According to the present invention, it is possible to provide a photosensitive paste composition excellent in storage stability by essentially preventing gelation of the photosensitive paste composition.

Photosensitive Paste Composition, PDP

Description

A photosensitive paste composition, a PDP electrode prepared therefrom, and a PDP comprising the same}

1 is a partial cutaway perspective view showing a PDP comprising a PDP electrode made in accordance with the present invention.

<Description of the symbols for the main parts of the drawings>

110: front panel 111: front substrate

112: Y electrode 113: X electrode

114: sustain electrode pair 115: front dielectric layer

116: protective film 120: rear panel

121: back substrate 122: address electrode

123: rear dielectric layer 124: partition wall

125: phosphor layer 126: light emitting cell

The present invention relates to a photosensitive paste composition, a PDP electrode prepared using the same, and a PDP comprising the same, and more specifically, to a conductive powder, an inorganic binder, an organic vehicle, and a cyclic acid anhydride. It relates to a photosensitive paste composition, a PDP electrode prepared using the same, and a PDP comprising the same. According to the present invention, gelation of the photosensitive paste composition is essentially prevented to provide a photosensitive paste composition having excellent storage stability.

In recent years, in the display devices, as the demand for larger size, higher density, higher precision, and higher reliability increases, various pattern processing techniques have been developed, and various fine electrode formations suitable for such various pattern processing techniques have been made. There is an active research into the composition for use.

Plasma display panels (hereinafter referred to as 'PDP') are used in various fields at present because they have a faster response speed and easier size than those of liquid crystal panels. Conventionally, as a method of forming an electrode on such a PDP, the patterning method of the electrode material using the screen printing method has been generally used. However, the conventional screen printing method requires a high level of skill, and it is difficult to obtain a high-precision large screen pattern required for the PDP by using the screen printing method because the precision of the screen is inferior. In addition, in the conventional screen printing method, there may be a short circuit or a disconnection due to the screen during printing, and there is a limitation in forming a fine pattern electrode due to a limitation in resolution.

Therefore, in recent years, the photolithography method using the photosensitive electrically conductive paste was developed in order to form the high precision electrode circuit suitable for a large area. This is performed by printing the photosensitive conductive paste on the entire surface of a glass substrate or the like, then subjecting it to a predetermined drying process, exposing it using an ultraviolet exposure apparatus with a photomask, and then shielding the uncured portion of the photomask with a predetermined developer solution. And a patterned electrode is formed by baking the cured film that is cured and then cured to a predetermined temperature.

The recent trend of the photolithography method using the photosensitive paste has increased the tendency to use water or an alkaline aqueous solution as a developer rather than an organic solvent in consideration of environmental problems. For this reason, the copolymer binder which is one of the components of the paste has a carboxyl group. The thing containing acidic functional groups, such as these, is used. However, in the case of using such a binder containing a carboxyl group, the gelation progresses while the inorganic binder, which is one of the paste components, and the carboxyl group of the copolymer binder are bonded to form a three-dimensional network by ion crosslinking. have. Such a gelling phenomenon of the paste causes the viscosity to rise so that printing is impossible, and even if printing occurs, the development becomes impossible.

Several methods have been proposed in the past as a method for preventing the gelation of such paste. For example, a method of surface treatment of a glass frit disclosed in Korean Patent Laid-Open Publication No. 2002-88208 with a solution of ketones and a low molecular weight organic acid, and addition of a tetrahydric polyhydric alcohol disclosed in Korean Patent Laid-Open Publication No. 2003-35828 Method, method for adding a phosphoric acid compound disclosed in Japanese Patent Laid-Open No. 9-218509, method for adding an organic compound having a carboxyl group disclosed in Japanese Patent Laid-Open No. 9-222723, a solvent disclosed in US Pat. No. 6,315,927 As a method of adding a compound having an alcohol group, and a method of changing the structure of the copolymer binder disclosed in US Pat. No. 6,132,937. However, although these methods can delay the gelation of the photosensitive conductive paste, there is a limitation that this gelation reaction cannot be fundamentally prevented.

Accordingly, the present invention provides a photosensitive paste composition having excellent storage stability by fundamentally preventing gelation of the photosensitive paste composition, and also provides a PDP electrode prepared using the same, and a PDP comprising the same.

One embodiment of the present invention to achieve the above technical problem,

A photosensitive paste composition comprising a conductive powder, an inorganic binder, an organic vehicle, and a cyclic acid anhydride is provided.

The present invention also provides a PDP electrode prepared using the photosensitive paste composition.

The present invention also provides a PDP comprising the PDP electrode.

Hereinafter, the present invention will be described in more detail.

The photosensitive paste composition according to the present invention is characterized by being a photosensitive paste composition containing a conductive powder, an inorganic binder, an organic vehicle, and a cyclic acid anhydride.                     

According to the present invention, it is possible to remarkably improve the storage stability of the composition by adding cyclic acid anhydride to the photosensitive paste composition commonly used in the production of PDP and the like. This is because the cyclic acid anhydride acts in several forms as follows to prevent the inorganic binder from adhering to the carboxyl group of the copolymer binder to proceed with gelation. Iii) the cyclic acid anhydride is bonded to the carboxyl group present in the copolymer binder in the organic vehicle, and ii) the hydroxyl group (-OH) on the surface of the inorganic binder produced by the reaction between the inorganic binder and water. Is combined with the cyclic acid anhydride, and iii) the dicarboxylic group form formed in the reaction with the cyclic acid anhydride is combined with an inorganic binder, thereby preventing the progress of gelation.

In the present invention, the above effects can be obtained by using a cyclic acid anhydride having affinity with the vehicle and being easily soluble in the vehicle, but not impairing the dispersibility of the inorganic conductive powder or the inorganic binder.

Cyclic acid anhydrides satisfying the above conditions include, but are not limited to, succinic anhydride, methyl succinic anhydride, 2,2-dimethylsuccinic anhydride, 1,2-cyclohexanedicarboxylic anhydride, hexahydro- 4-methylphthalic anhydride, glutaric anhydride, 3-methyl glutaric anhydride, 2,2-dimethyl glutaric anhydride, 3,3-dimethyl glutaric anhydride, 3,3-tetramethylene glutaric anhydride Aliphatic compounds such as phenylsuccinic anhydride, 2-phenylglutaric anhydride, phthalic anhydride, 4-methylphthalic anhydride, 3-hydroxyphthalic anhydride, 1,2,4-benzenetricarboxylic anhydride, and benzenetetra At least one selected from the group consisting of aromatic compounds such as carboxylic acid dianhydride and the like.

It is preferable that content of the said cyclic acid anhydride is 0.1-2.0 weight part with respect to 100 weight part of electroconductive powders. When the content of the cyclic acid anhydride is less than the above range, there is a problem that the reaction with the carboxyl group is insufficient, so that the storage stability is difficult to be secured, and when it exceeds the above range, there is a problem that the developability deteriorates, which is not preferable.

The composition according to the invention also comprises a conductive powder, an inorganic binder, and an organic vehicle, each of which is 0.1 to 10 parts by weight of the inorganic binder, and 20 to 100 parts by weight of the organic vehicle, based on 100 parts by weight of the conductive powder. It is preferable.

When the content of the conductive powder in the composition is less than the above range, the shrinkage of the line width of the conductive film is severe during firing, and disconnection may occur, and when it exceeds the above range, the printability and the decrease in light transmission may be caused. There is a problem that a desired pattern cannot be obtained due to insufficient crosslinking reaction.

Silver, gold, copper, platinum, palladium, aluminum, or an alloy thereof may be used as the conductive powder, and silver powder may be preferably used. In addition, it is preferable that the conductive powder has a spherical particle shape, because the spherical particles have superior properties than plate-like or amorphous in filling rate and UV transmittance.

It is preferable that the specific surface area of the said electroconductive powder is 0.3-2.0 m <2> / g, and the average particle diameter is 0.1-5.0 micrometer, but if the specific surface area is less than 0.3 m <2> / g or an average particle diameter exceeds 5.0 micrometer, the linearity of a fired film pattern will be This problem is poor and the resistance of the fired film is high. If the specific surface area exceeds 2.0 m 2 / g or the average particle diameter is less than 0.1 m, the dispersibility and exposure sensitivity of the paste are poor.

The composition according to the invention also comprises an inorganic binder, which improves the sintering properties of the conductive powder in the firing process and also serves to impart adhesion between the conductive film and the glass substrate. The content of the inorganic binder is preferably 0.1 to 10 parts by weight with respect to 100 parts by weight of the conductive powder. When the content of the inorganic binder is less than 0.1 part by weight, the sintering of the conductive powder does not occur properly, and the conductive film and the glass substrate are separated. When the adhesive force of the lowering of the conductive film is dropped in the course of the subsequent process occurs, if the amount exceeds 10 parts by weight is not preferable because there is a problem that the resistance of the conductive film is increased.

Examples of the inorganic binder include, but are not limited to, PbO-SiO ₂ , PbO-B ₂ O ₃ -SiO ₂ , ZnO-SiO ₂ , ZnO-B ₂ O ₃ -SiO ₂ , and Bi ₂ O One or more selected from the group consisting of ₃ -SiO ₂ systems and Bi ₂ O ₃ -B ₂ O ₃ -SiO ₂ systems can be used. Although the particle shape of an inorganic binder is not specifically limited, It is preferable that it is so spherical that an average particle diameter is 5.0 micrometers or less. When the average particle diameter exceeds 5.0 µm, there is a problem that the fired film is nonuniform and the straightness deteriorates, which is not preferable.

In addition, the inorganic binder preferably has a softening temperature of 400 to 600 ° C. If the softening temperature is lower than 400 ℃, the decomposition of organic matters is hindered during firing. If the softening temperature is higher than 600 ℃, the firing temperature is higher than 600 ℃ because the glass substrate is bent at a temperature higher than 600 ℃. There is a problem that the softening of the inorganic binder cannot occur because it cannot be used.

The composition according to the invention also comprises an organic vehicle, the content of the organic vehicle is preferably 20 to 100 parts by weight based on 100 parts by weight of the conductive powder. When the content of the organic vehicle is less than 20 parts by weight, there is a problem of poor printability of the paste and a decrease in exposure sensitivity. When the content of the organic vehicle exceeds 100 parts by weight, the content ratio of the conductive powder is relatively low, and thus the line width of the conductive film during firing. Shrinkage is severe and disconnection occurs, which is not preferable.

The organic vehicle includes a copolymer of a monomer having a carboxyl group with one or more ethylenically unsaturated monomers, a crosslinking agent, a photoinitiator, and a solvent.

The organic vehicle includes 20 to 150 parts by weight of crosslinking agent, 10 to 100 parts by weight of photoinitiator, and 100 to 300 parts by weight of solvent based on 100 parts by weight of a copolymer of a monomer having a carboxyl group and one or more ethylenically unsaturated monomers. It is desirable to.

The copolymer of the monomer having a carboxyl group with one or more ethylenically unsaturated monomers serves to cause the composition according to the present invention to develop in an aqueous alkali solution. When the content of the binder in the organic vehicle is less than the above range, the printability is inferior, and when it exceeds the above range, it is not preferable because the developability is poor and residues may be generated around the calcined film.

The monomer having a carboxyl group is preferably selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, maleic acid, vinyl acetate and anhydrides thereof, the ethylenically unsaturated monomer is methyl acrylate, methyl methacrylate, ethyl acrylic Ethyl methacrylate, n-butyl acrylate, n-butyl methacrylate, isobutyl acrylate, isobutyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, ethylene glycol At least one selected from the group consisting of monomethyl ether acrylate, and ethylene glycol monomethyl ether methacrylate is preferred.

As a binder, what reacted the carboxyl group of the said copolymer with an ethylenically unsaturated compound, and the component which raises a crosslinking reaction in the binder as a result can also be used. The ethylenically unsaturated compound may be one selected from the group consisting of glycidyl methacrylate, 3,4-epoxycyclohexylmethyl methacrylate, and 3,4-epoxycyclohexylmethyl acrylate.

In addition, the above-mentioned copolymer may be used alone as a binder, but for cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, and carboxyethyl methyl cellulose for the purpose of improving film leveling and thixotropy, etc. It may be used by mixing one or more substances selected from the group consisting of.

Preferably, the copolymer has a molecular weight of 5,000 to 50,000 g / mol, and an acid value of 20 to 100 mgKOH / g. If the copolymer has a molecular weight of less than 5,000 g / mol, the printability of the paste is inferior, and if it exceeds 50,000 g / mol, there is a problem that the non-exposed part cannot be removed during development. In addition, when the acid value of the copolymer is less than 20 mgKOH / g, developability is inferior, and when the acid value of the copolymer exceeds 100 mgKOH / g, there is a problem that is developed to the exposed portion is not preferable.

As the crosslinking agent, monofunctional and polyfunctional monomers can be used. Generally, a polyfunctional monomer having good exposure sensitivity is used. Such polyfunctional monomers include, but are not limited to, diacrylates such as ethylene glycol diacrylate (EGDA); Triacrylates such as trimethylolpropane triacrylate (TMPTA), trimethylolpropaneethoxylate triacrylate (TMPEOTA), or pentaerythritol triacrylate (PETA); Tetraacrylates such as tetramethylolpropane tetraacrylate or pentaerythritol tetraacrylate; One or more selected from the group consisting of hexaacrylates such as dipentaerythritol hexaacrylate (DPHA) can be used. The content of the crosslinking agent is preferably 20 to 150 parts by weight based on 100 parts by weight of the copolymer binder. When the content of the crosslinking agent is less than 20 parts by weight, the exposure sensitivity is lowered, and thus, a fired film line width of a desired size cannot be obtained and 150 parts by weight. When the amount is exceeded, residue is generated in the fired film, which is not preferable.

Examples of the photoinitiator include, but are not limited to, benzophenone, methyl o-benzoylbenzoate, 4,4-bis (dimethylamine) benzophenone, 4,4-bis (diethylamino) benzophenone, 2,2-die Methoxyacetophenone, 2,2-dimethoxy-2-phenyl-2-phenylacetophenone, 2-methyl- [4- (methylthio) phenyl] -2-morpholinopropan-1-one, 2-benzyl- 2-dimethylamino-1- (4-morpholinophenyl) -1-butanone, bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentylphosphineoxide, and bis (2,4 One or more selected from the group consisting of, 6-trimethylbenzoyl) phenylphosphine oxide can be used. The content of the photoinitiator is preferably 10 to 100 parts by weight with respect to 100 parts by weight of the copolymer binder. When the content of the photoinitiator is less than 10 parts by weight, the exposure sensitivity of the paste is low, and thus a fired film line width of a desired size cannot be obtained. When it exceeds 100 parts by weight, the line width of the fired film is large or there is a problem that residues are generated around the fired film, which is not preferable.

As the solvent, a binder and a photoinitiator may be dissolved, and a boiling point of 150 ° C. or more may be used while being well mixed with a crosslinking agent and other additives. If the boiling point is less than 150 ° C., the tendency of volatilization in the manufacturing process of the composition, in particular, the 3-roll mill process, is a problem, and it is not preferable because the solvent is volatilized so quickly that the printing state is not good. Preferred solvents capable of satisfying the above conditions include, but are not limited to, ethyl carbitol, butyl carbitol, ethyl carbitol acetate, butyl carbitol acetate, texanol, terpin oil, dipropylene glycol methyl ether, dipropylene One or more selected from the group consisting of glycol ethyl ether, dipropylene glycol monomethyl ether acetate, γ-butyrolactone, cellosolve acetate, butyl cellosolve acetate, and tripropylene glycol may be used. The content of the solvent is preferably 100 to 300 parts by weight based on 100 parts by weight of the copolymer binder, but when the content of the solvent is less than 100 parts by weight, the viscosity of the paste is too high, so printing is not preferable, and 300 is not preferable. If it exceeds the weight part, since the viscosity is too low, printing cannot be performed, which is not preferable.

In addition, the organic vehicle includes a sensitizer to improve sensitivity, a polymerization inhibitor and an antioxidant to improve the preservation of the composition, an ultraviolet light absorber to improve the resolution, an antifoaming agent to reduce bubbles in the composition, a dispersant to improve dispersibility, printing It may further include additives such as leveling agents to improve flatness of the film and plasticizers to impart thixotropic properties.

Another embodiment of the present invention provides a PDP electrode prepared using the photosensitive paste composition described above. The electrode is manufactured through a process of forming a fine pattern and a process of firing.

Formation process of the fine pattern, the photosensitive paste composition prepared as described above is printed on the surface of the substrate using a screen printing machine using a screen mask such as SUS 325 mesh or SUS 400 mesh, the coated specimen is a convection oven (convection oven) ) Or an IR oven at a temperature of 80 to 150 ° C., for 5 to 30 minutes, followed by exposure to form a pattern with light of 300 to 450 nm using a suitable light source over the formed paste coating film, and Na ₂ CO _{It is} made by developing at a temperature of about 30 DEG C with a suitable alkaline developer such as ₃ solution, KOH, TMAH, and the like. In addition, the firing process is performed by firing the fine pattern formed as described above in an electric furnace or the like at 500 to 600 ° C. for 10 to 30 minutes.

In another embodiment of the present invention provides a PDP comprising a PDP electrode prepared as described above.

1 shows a specific structure of a PDP including a PDP electrode according to the present invention. The PDP electrode made of the composition according to the present invention can be used for the production of white electrodes and address electrodes of bus electrodes among the following PDP structures.

The PDP manufactured according to the present invention has a structure including a front panel 110 and a rear panel 120. The front panel 110 includes a front electrode 111, sustain electrode pairs 114 including a Y electrode 112 and an X electrode 113 formed on the rear surface 111a of the front substrate, and the sustain electrode pairs. A covering front dielectric layer 115 and a protective film 116 covering the front dielectric layer. Each of the Y electrode 112 and the X electrode 113 includes: transparent electrodes 112b and 113b formed of ITO or the like; Bus electrodes 112a and 113a constituted by black electrodes (not shown) for improving contrast and white electrodes (not shown) to impart conductivity are provided. The bus electrodes 112a and 113a are connected to connection cables 31 disposed on the left and right sides of the PDP.

The rear panel 120 includes a rear substrate 121, address electrodes 122 formed on the front surface 121a of the rear substrate to intersect the storage electrode pairs, a rear dielectric layer 123 covering the address electrodes, and the rear dielectric layer. A partition wall 124 formed on and partitioning the light emitting cells 126, and a phosphor layer 125 disposed in the light emitting cell. The address electrodes 122 are connected to connection cables disposed above and below the PDP.

Hereinafter, the present invention will be described in more detail with reference to Examples, but the scope of the present invention is not limited to the following Examples.

Example

Example 1 Preparation of Photosensitive Paste Composition

As cyclic acid anhydride, 0.5 wt% of 1,2-cyclohexanedicarboxylic anhydride, silver powder (spherical, specific surface area 0.80 m ² / g, average particle diameter = 1.4 μm) 67.0 wt%, inorganic binder (D _max = 3.4 μm, D ₅₀ = 1.5 μm, amorphous, PbO-SiO ₂ -B ₂ O ₃ system) 3.0 wt%, copolymer binder (polyMMA-co-MMA), molecular weight 15,000 g / mol, acid value 110 mgKOH / g) 7.0 wt%, photoinitiator (2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) -1-butanone) 1.0 wt%, 4.0 wt% trimethylolpropane triacrylate as crosslinking agent and pentaerythritol tetra 2.0 wt% of acrylate, 14.4 wt% of solvent (texanol), 1.0 wt% of dibutylphthalate as a printability enhancing agent, and 0.1 wt% of a non-silicone dispersant as a dispersant were mixed and stirred with a stirrer, followed by a 3-roll mill. By kneading to prepare a photosensitive conductive paste composition according to the present invention. In the preparation of the composition, an organic vehicle was prepared by first blending a copolymer binder, a photoinitiator, a crosslinking agent, and a solvent, followed by adding an inorganic binder and silver powder.

Example 2. Preparation of Photosensitive Paste Composition

A photosensitive paste composition according to the present invention was prepared in the same manner as in Example 1 except that phthalic anhydride was used as the cyclic acid anhydride.

Example 3. Preparation of Photosensitive Paste Composition                     

A photosensitive paste composition according to the present invention was prepared according to the same method as Example 1 except that benzenetetracarboxylic acid dianhydride was used as the cyclic acid anhydride.

Comparative example. Preparation of Photosensitive Paste Composition

As a comparative example, a photosensitive paste composition was prepared in which 0.5 wt% of a solvent was further added without adding a cyclic acid anhydride.

The content ratio of each component in the compositions of Examples 1 to 3 and Comparative Examples are summarized in Table 1 below.

ingredient Example 1 Example 2 Example 3 Comparative example Silver powder 67.0 67.0 67.0 67.0 Glass frit 3.0 3.0 3.0 3.0 Copolymer binder 7.0 7.0 7.0 7.0 Trimethylolpropane trimethacrylate 4.0 4.0 4.0 4.0 Pentaerythritol tetramethacrylate 2.0 2.0 2.0 2.0 Photoinitiator 1.0 1.0 1.0 1.0 menstruum 14.4 14.4 14.4 14.9 Printability Enhancer 1.0 1.0 1.0 1.0 Dispersant 0.1 0.1 0.1 0.1 1,2-cyclohexanedicarboxylic acid anhydride 0.5 - - - Phthalic anhydride - 0.5 - - Benzene Tetracarboxylic Anhydride - - 0.5 -

(Unit: wt%)

Performance test

For the compositions of Examples 1 to 3 and Comparative Examples, the viscosity at shear rate 20 / s using a viscometer at 1, 3, 7, 15, and 30 days elapsed for storage stability evaluation Was measured, and the results are shown in Table 2.

characteristic Example 1 Example 2 Example 3 Comparative example Viscosity (cps) day 24,500 27,000 25,000 27,000 1 day later 26,000 28,500 26,500 32,000 3 days later 28,500 29,500 28,500 80,000 7 days later 27,000 28,000 27,500 Not measurable 15 days later 26,000 27,500 27,000 Not measurable 30 days later 25,500 27,000 26,500 Not measurable

As can be seen from the results in Table 2, the compositions according to the present invention to which the cyclic acid anhydride is added as a storage stabilizer have excellent storage stability even after 30 days have elapsed, but do not contain cyclic acid anhydride. The composition according to the comparative example showed a result of decreasing storage stability while increasing the viscosity of the paste as time passed after preparing the paste composition.

According to the present invention, it is possible to provide a photosensitive paste composition excellent in storage stability by essentially preventing gelation of the photosensitive paste composition.

Claims (13)

A conductive powder, an inorganic binder, an organic vehicle, and a cyclic acid anhydride, wherein the organic vehicle is a copolymer of a monomer having a carboxyl group with one or more ethylenically unsaturated monomers, a crosslinking agent, a photoinitiator, and 20 to 150 parts by weight of a crosslinking agent, 10 to 100 parts by weight of a photoinitiator, and 100 to 300 parts by weight of a solvent, including 100 parts by weight of the copolymer of the monomer having a carboxyl group and one or more ethylenic monomers. It comprises a photosensitive paste composition. The cyclic acid anhydride according to claim 1, wherein the cyclic acid anhydride is succinic anhydride, methyl succinic anhydride, 2,2-dimethylsuccinic anhydride, 1,2-cyclohexanedicarboxylic anhydride, hexahydro-4-methylphthalic anhydride, glue Tartaric anhydride, 3-methylglutaric anhydride, 2,2-dimethylglutaric anhydride, 3,3-dimethylglutaric anhydride, 3,3-tetramethylene glutaric anhydride, phenylsuccinic anhydride, 2-phenyl At least one selected from the group consisting of glutaric anhydride, phthalic anhydride, 4-methylphthalic anhydride, 3-hydroxyphthalic anhydride, 1,2,4-benzenetricarboxylic anhydride, and benzenetetracarboxylic acid anhydride The photosensitive paste composition characterized by the above-mentioned. The method of claim 1, wherein the photosensitive paste composition comprises 0.1 to 10 parts by weight of inorganic binder, 20 to 100 parts by weight of organic vehicle, and 0.1 to 2.0 parts by weight of cyclic acid anhydride, based on 100 parts by weight of the conductive powder. Photosensitive paste composition. The photosensitive paste composition of claim 1, wherein the conductive powder is a spherical Ag powder, and has a specific surface area of 0.3 to 2.0 m ² / g and an average particle diameter of 0.1 to 5.0 μm. The method of claim 1, wherein the inorganic binder is PbO-SiO _{2 type} , PbO-B ₂ O ₃ -SiO _{2 type} , ZnO-SiO _{2 type} , ZnO-B ₂ O ₃ -SiO _{2 type} , Bi ₂ O _3- At least one selected from the group consisting of a SiO ₂ system and a Bi ₂ O ₃ -B ₂ O ₃ -SiO ₂ system, having a softening temperature of 400 to 600 ° C. and a coefficient of thermal expansion of 50 × 10 ^-7 to 100 × 10 ^-7 and an average particle diameter is 5.0 micrometers or less, The photosensitive paste composition characterized by the above-mentioned. delete The method of claim 1, wherein the monomer having a carboxyl group is at least one selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, maleic acid, vinyl acetic acid, and anhydrides thereof; The ethylenically unsaturated monomers are methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, n-butyl acrylate, n-butyl methacrylate, isobutyl acrylate, isobutyl methacrylate, 2- At least one selected from the group consisting of hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, ethylene glycol monomethyl ether acrylate, and ethylene glycol monomethyl ether methacrylate; The crosslinking agent is one or more selected from the group consisting of diacrylates, triacrylates, tetraacrylates, and hexaacrylates; The photoinitiator, benzophenone, methyl o-benzoylbenzoate, 4,4-bis (dimethylamine) benzophenone, 4,4-bis (diethylamino) benzophenone, 2,2-diethoxyacetophenone, 2,2- Dimethoxy-2-phenyl-2-phenylacetophenone, 2-methyl- [4- (methylthio) phenyl] -2-morpholinopropan-1-one, 2-benzyl-2-dimethylamino-1- ( 4-morpholinophenyl) -1-butanone, bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentylphosphineoxide, and bis (2,4,6-trimethylbenzoyl) phenylforce At least one selected from the group consisting of fin oxides; The solvent is ethyl carbitol, butyl carbitol, ethyl carbitol acetate, butyl carbitol acetate, texanol, terpin oil, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, dipropylene glycol monomethyl ether acetate, γ-buty A photosensitive paste composition, characterized in that at least one selected from the group consisting of rolactone, cellosolve acetate, butyl cellosolve acetate, and tripropylene glycol. The method of claim 1, wherein the copolymer is selected from the group consisting of a carboxyl group of the copolymer, glycidyl methacrylate, 3,4-epoxycyclohexylmethyl methacrylate, and 3,4-epoxycyclohexylmethyl acrylate. A photosensitive paste composition comprising a crosslinkable group formed by reaction with a selected ethylenically unsaturated compound. The photosensitive paste composition of claim 1, wherein the copolymer has a molecular weight of 5,000 to 50,000 g / mol and an acid value of 20 to 100 mgKOH / g. The method of claim 1, wherein the organic vehicle further comprises at least one material selected from the group consisting of cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, and carboxyethyl methyl cellulose Photosensitive paste composition. The photosensitive film of claim 1, wherein the organic vehicle further comprises at least one additive selected from the group consisting of a sensitizer, a polymerization inhibitor, an antioxidant, an ultraviolet light absorber, an antifoaming agent, a dispersant, a leveling agent, and a plasticizer. Paste composition. The PDP electrode manufactured using the photosensitive paste composition in any one of Claims 1-5 and 7-11. A PDP comprising a PDP electrode according to claim 12.

Images