JP5143683B2 - Slurry composition for forming plasma display panel electrode - Google Patents

Description

  The present invention relates to a slurry composition for forming a plasma display panel (PDP) electrode. In particular, the productivity can be improved and the film thickness can be reduced by a table coating method, and the amount of slurry used for electrode formation is more than the amount of conventional black paste used. The present invention relates to a slurry composition for forming a PDP electrode, which not only can reduce the cost, but can significantly improve the stability of the slurry using nano-particle inorganic substances.

  With the increasing demands for larger, higher density, higher precision, and higher reliability in display devices, various pattern processing technologies are being developed and suitable for such various pattern processing technologies. In addition, research on various pastes for forming microelectrodes and research on methods for reducing production costs are being actively conducted.

  A plasma display panel (PDP) has a higher response speed than a liquid crystal panel and can be easily increased in size, and is currently used in various fields. A plasma display panel typically includes a pair of front and back panels, the front and back panels being arranged to face each other, and the cells arranged between the panel and the panels supported at regular intervals. A plurality of cells are formed as display elements each defined by the barrier. Two electrodes located on the inner surface of the panel via a dielectric layer are discharged in the cell by applying an alternating voltage between them, and the phosphor screen formed on the surface of the cell barrier by this discharge The image is displayed by the light transmitted through the transparent panel.

  In the PDP, the resolution and brightness of an image depend on the width of the electrodes, the pitch of the interconnecting conductors, and the dielectric layer transparency. The pattern of electrodes and interconnecting conductors can be formed by pattern printing using a screen plate.

  In the prior art, black paste was blended by a three-roll mill, and coating was performed by a screen painting method. In the screen painting method, a printed screen mask is used to print onto a substrate using paste squeeze, and after drying to remove the solvent, the printing and drying are repeated several times. After a dry film having a desired thickness is formed, a pattern is formed through a baking process. The problem with this method is that it takes a lot of process time and it is difficult to form a uniform pattern due to low resolution and misalignment due to repeated printing operations. In the conventional technique, the particle size is several μm, the viscosity is as high as 5000 cp or more, and if the viscosity is lowered in order to apply the table coating method, there is a big problem in the stability of the slurry.

  In order to solve the problems of the conventional technology, the present invention can improve productivity and reduce the film thickness by the table coating method, and the amount of slurry used for electrode formation is less than the conventional black paste usage amount. It is an object of the present invention to provide a slurry composition for forming a PDP electrode that can not only save, but can remarkably improve the stability of the slurry by using nano-particle inorganic substances.

  In addition, the present invention can improve the productivity by using the slurry composition for forming the PDP electrode, can reduce the thickness, and can not only reduce the cost, but also significantly improve the stability of the slurry. It is an object of the present invention to provide a method for forming a PDP electrode, and a PDP electrode formed by the method.

To achieve the above object, the present invention provides a slurry composition for forming a PDP electrode,
(A) 0.5 to 8 parts by mass of a black pigment having a particle size of 10 to 1000 nm;
(B) 0.5 to 8 parts by mass of a glass frit raw material having an average particle size of 1 to 500 nm vitrified upon firing; and (c) 84 to 98 parts by mass of a photosensitive organic component. A slurry composition for forming a PDP electrode is provided.

The present invention also provides a method for forming a PDP electrode,
(A) A step of applying the slurry composition for forming the PDP electrode on a substrate and drying it;
(B) A method for forming a PDP electrode, comprising: exposing and developing the dried substrate to form a pattern; and (c) firing the substrate on which the pattern is formed.

  Furthermore, the present invention provides a PDP electrode formed by the above method.

  The slurry composition for forming a PDP electrode of the present invention can be improved in productivity and thinned by using a table coating method, and the amount of slurry used for electrode formation is less than the amount of paste used in the past, thereby reducing cost. Not only is this possible, nanoparticle minerals can be used to significantly improve the stability of the slurry.

  In the slurry composition for forming the PDP electrode, the present inventor can remarkably improve the stability of the slurry when the particle size of the inorganic black pigment and glass frit is maintained at the nanometer level. In particular, when manufacturing a glass frit slurry with a glass frit raw material having a particle size of 1 to 500 nm and performing the function of the glass frit during firing, the slurry can be coated by the table coating method and the productivity The present invention was completed by confirming that it was possible to significantly improve.

  The slurry composition for forming a PDP electrode of the present invention comprises (a) 0.5 to 8 parts by mass of a black pigment having a particle size of 10 to 1000 nm; (b) a particle size of 1 that is vitrified upon firing. It contains 0.5 to 8 parts by mass of a glass frit raw material that is ˜500 nm; and (c) 84 to 98 parts by mass of a photosensitive organic component.

  As the black pigment (a) used in the slurry composition for forming a PDP electrode of the present invention, a black pigment used for forming a black layer of a conventional PDP electrode can be used, and a specific example is Cu. -Co-Mn or cobalt black pigment. The black pigment preferably has a particle size of 10 to 1000 nm. In this case, the coating property, the dispersibility of the slurry, and the stability of the produced slurry can be improved. The black pigment used in the slurry composition for forming a PDP electrode of the present invention may be contained in an amount of 0.5 to 8 parts by mass, more preferably 1 to 5 parts by mass. When the content of the black pigment is within the above range, the film properties, blackness and electrical resistance can be shown well simultaneously.

  The said (b) glass frit raw material used for the slurry composition for PDP electrode formation of this invention fulfill | performs the effect | action which strengthens adhesiveness with a base material at the time of baking, and baking intensity | strength. In the slurry composition for forming a PDP electrode according to the present invention, a glass frit having a particle size of 1 to 500 nm is used instead of a glass frit having a particle size of 1 to 500 nm. Thus, the glass frit function is achieved during firing. When the particles of the glass frit raw material are within the above range, the slurry composition for forming the PDP electrode can be coated by the table coating method, the film thickness can be reduced, and the stability of the slurry can be remarkably improved. it can. The average particle size of the glass frit raw material is preferably 1 to 200 nm, more preferably 1 to 50 nm.

Specific examples of the glass frit raw material include Bi ₂ O ₃ , ZnO, B ₂ O ₃ , In ₂ O ₃ , CuO, V ₂ O ₅ , SiO ₂ , K ₂ O, Fe ₂ O ₃ , Sb. One or more selected from the group consisting of ₂ O ₃ , BaO, P ₂ O ₅ , TiO ₂ , Al ₂ O ₃ , and WO ₃ can be used, and preferably with respect to 100 parts by mass of the glass frit raw material. Bi ₂ O ₃ 0 to 80 parts by Te, 0 to 40 parts by weight of ZnO, B ₂ O ₃ 0 to 40 parts by weight, an In ₂ O ₃ 0 parts by weight, CuO 0 parts by mass, V ₂ O ₅ 0 10 parts by weight, SiO ₂ 0 parts by weight, K ₂ O 0 parts by mass, Fe ₂ O ₃ 0~10 parts by, Sb ₂ O ₃ 0~10 parts by weight, BaO 0 parts by mass, P ₂ O ₅ 0 to 30 parts by weight, TiO ₂ 0 parts by weight, Al ₂ O ₃ 0 parts by weight, and WO ₃ 0 quality Part may be used those containing.

In particular, in the case of a PDP bus electrode, Bi ₂ O ₃ 1-80 parts by mass; ZnO 1-40 parts by mass; B ₂ O ₃ 1-40 parts by mass; In ₂ O ₃ 1-10 parts by mass or Al ₂ O ₃ 1 10 parts by weight; CuO 1 to 10 parts by weight; is good to use a SiO ₂ 1 to 10 parts by weight. More preferably, Bi ₂ O ₃ 1~70 parts by weight; ZnO 1 to 15 parts by weight; B ₂ O ₃ 1 to 15 parts by weight; an In ₂ O ₃ 1 to 5 parts by mass; CuO 1 to 5 parts by mass; and SiO ₂ 1 to 5 parts by mass or Bi ₂ O ₃ 1 to 70 parts by mass; ZnO 1 to 15 parts by mass; B ₂ O ₃ 1 to 15 parts by mass; Al ₂ O ₃ 1 to 5 parts by mass; CuO 1 ~ 5 parts by mass; and 1 to 5 parts by mass of SiO ₂ .

  Preferably, the glass frit raw material has a numerical value when measured using a spectrocolorimeter (CM2600d manufactured by Konica Minolta Co., Ltd.) in which the blackness (color L *) during firing is corrected using a standard white plate. Is preferably 30 or less, more preferably a numerical value of 20 or less. The L * indicates a case where pure water black is 0 and pure water white is 100, and the closer to 0, the more pure black it is.

  The glass frit raw material used in the slurry composition for forming a PDP electrode of the present invention may be contained in an amount of 0.5 to 8 parts by mass. When the amount is less than 0.5 parts by mass, the adhesion to the substrate and the attaching force are reduced, and when it exceeds 8 parts by mass, the film characteristics are deteriorated. Preferably, 1 to 5 parts by mass are included.

  The photosensitive organic component (c) that can be applied to the present invention is a substance that is completely removed during drying and baking, and a normal organic component used in a photolithography process applied to a conventional electrode forming paste is applied. Is done.

  Preferred specific photosensitive organic components are: (i) 10-70 parts by weight of organic binder polymer; (ii) 10-50 parts by weight of crosslinkable monomer; (iii) 0.1-10 parts by weight of initiator; iv) 5-60 parts by weight of solvent can be included. Preferably, the solvent used for the photosensitive organic component is partially mixed with (i) an organic binder polymer; (ii) a crosslinkable monomer; and (iii) an initiator to produce a vehicle, and the rest It is preferable to use a solvent when mixing the vehicle with the black pigment and the glass frit raw material. In this case, the dispersibility and stability of the produced slurry for forming the PDP electrode can be improved. The solvent used at the time of vehicle manufacture should be 5 to 40 parts by mass among 5 to 50 parts by mass of the solvent used as a whole.

  The organic binder functions to provide bonding and developability of the paste component before firing, and preferably an acrylate resin. The acrylate resin is an unsaturated carboxylic acid monomer, an aromatic monomer, and an acrylic monomer. It can be produced by polymerizing a monomer.

  The unsaturated carboxylic acid monomer acts to increase the elasticity of the polymer through hydrogen bonding in the polymer, specifically acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, vinyl acetic acid, or these The acid anhydride form of can be used.

  The unsaturated carboxylic acid monomer is preferably contained in an amount of 20 to 70% by mass in the total monomers used in the production of the acrylate resin. When the content is within the above range, all of the elastic properties of the polymer, prevention of gelation during polymerization, and adjustment of the polymerization degree can be satisfied.

  The aromatic monomer functions to form adhesion and a stable pattern with the substrate, specifically styrene, benzyl methacrylate, benzyl acrylate, phenyl acrylate, phenyl methacrylate, 2-nitrophenyl acrylate, 4- Nitrophenyl acrylate, 2-nitrophenyl methacrylate, 4-nitrophenyl methacrylate, 2-nitrobenzyl methacrylate, 4-nitrobenzyl methacrylate, 2-chlorophenyl acrylate, 4-chlorophenyl acrylate, 2-chlorophenyl methacrylate, 4-chlorophenyl methacrylate, etc. Can be used.

  The aromatic monomer is preferably contained in an amount of 10 to 40% by mass, more preferably 15 to 25% by mass, based on the total monomers used in the production of the acrylate resin. When the content is within the above range, the adhesion to the substrate, the adhesive force of the pattern, the straightness of the formed pattern, the realization of a stable pattern, and the easy removal during the firing process can all be satisfied.

  In addition to the unsaturated carboxylic acid monomer and aromatic monomer, the acrylic monomer used in the production of the acrylate resin functions to adjust the glass transition temperature and polarity of the polymer.

  As the acrylic monomer, 2-hydroxyethyl (meth) acrylate, 2-hydroxyoctyl (meth) acrylate, methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl acrylate, or the like can be used. In consideration of the glass transition temperature of the polymer, heat resistance, intimacy with the base material, etc., it is preferable that the total monomer used in the production of the acrylate-based resin is 20 to 60% by mass.

  The acrylate resin produced by polymerizing such monomers prevents gelation of unsaturated carboxylic acid monomers, aromatic monomers, and acrylic monomers and controls proper volatility. Can be produced by polymerization in the presence of a polymerization solvent.

  The acrylate resin obtained by polymerizing such a monomer in the presence of a polymerization solvent preferably has a weight average molecular weight of 10,000 to 100,000, more preferably 20,000 to 50,000. 000 is good. When it is within the above range, there is an advantage that developability is improved.

  As the polymerization solvent, propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, propylene glycol monomethyl ether propionate, ethyl ether propionate, terpineol, propylene glycol monomethyl ether acetate, dimethylamino formaldehyde, methyl ethyl ketone, butyl carbitol, butyl Carbitol acetate, gamma butyrolactone, ethyl lactate or the like can be used alone or in admixture of two or more.

  In the present invention, the organic binder is preferably contained in the photosensitive organic component in an amount of 10 to 70 parts by mass. When it is within the above range, film formation, slurry viscosity, and sinterability can be improved at the same time.

  Further, the crosslinkable monomer functions to impart photocurability to the slurry and promote developability, and specific examples include bisphenol A ethoxydimethacrylate (A), polyoxymethyl-1,2-ethanel, alphahydro Omega-1-iodine-2-propenyloxy-ether-2-ethyl-2-hydroxymethyl-1,3-propanediol, 2-hydroxyethyl (meth) acrylate, 2-hydroxyoctyl (meth) acrylate, methyl (Meth) acrylate, ethyl (meth) acrylate, n-butyl acrylate, etc. can be used alone or mixed, or polybasic acids such as phthalic acid, itaconic acid, maleic acid, succinic acid and hydroxyethyl (meth) acrylate Polyester with can be used.

  The crosslinkable monomer may be contained in the photosensitive organic component in an amount of 10 to 50 parts by mass. When it is within the above range, it is suitable for forming a fine electrode pattern.

  In addition, the photoinitiator is a component that discloses a photoreaction, and as a specific example, 2-hydroxy-1-4-4--2-hydroxy-2-methyl-propynyl-benzyl-benzyl-2-methyl -Propane-1-won; 1-butanone, 2-dimethylamino-2--4-methylphenylmethyl-1-4-4 morpholylphenyl; 2,4-bistrichloromethyl-6-p-methoxystyryl-s -Triazine, 2-p-methoxystyryl-4,6-bistrichloromethyl-s-triazine, 2,4-trichloromethyl-6-triazine, 2,4-trichloromethyl-4-methylnaphthyl-6-triazine, etc. Triazine compounds; benzoin compounds such as benzophenone and p- (diethylamino) benzophenone; 2,2-dichloro-4-phen Acetophenone compounds such as xyacetophenone, 2,2-diethoxyacetophenone, 2,2-dibutoxyacetophenone, 2-hydroxy-2-methylpropiophenone, pt-butyltrichloroacetophenone; xanthone, thioxanthone, 2-methyl Xanthone compounds such as thioxanthone, 2-isobutylthioxanthone, 2-dodecylthioxanthone, 2,4-dimethylthioxanthone, 2,4-diethylthioxanthone; or 2,2-bis-2-chlorophenyl-4,5,4,5- Imidazoles such as tetraphenyl-2-1,2-bisimidazole and 2,2-bis (2,4,6-tricyanophenyl) -4,4,5,5-tetraphenyl-1,2-bisimidazole A single compound or a mixture of two or more It is possible to use.

  The photoinitiator is preferably contained in the photosensitive organic component in an amount of 0.1 to 10 parts by mass. When it is within the above range, curability, pattern formation, straightness, storage stability and resolution can be improved at the same time. Preferably, the content of the photoinitiator is 0.1 to 5 parts by mass.

  In addition, the solvent has good viscosity control and dispersibility of the slurry for forming the PDP electrode of the present invention, and specific examples include propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, propylene glycol monomethyl ether propionate, Ethyl ether propionate, terpineol, propylene glycol monomethyl ether acetate, dimethylamino formaldehyde, methyl ethyl ketone, butyl carbitol, butyl carbitol acetate, gamma butyrolactone, or ethyl lactate can be used alone or in combination of two or more. . The solvent is preferably contained in the photosensitive organic component in an amount of 5 to 60 parts by mass. When it is within the above range, the coating property, dispersibility and stability can be satisfied at the same time.

  In the present invention, the photosensitive organic component may further include a leveling agent. The leveling agents are mixed and used in order to make the surface of the coating surface uniform during coating. As a specific example, the leveling agent uses 1-methoxy-2-propanol or a fluorocarbon-based compound containing propylene glycol monomethyl ether siloxane. Preferably, the leveling agent content is 0.01 to 5 parts by mass. When it is within the above range, the coating property, development, sintered state and slurry stability can be satisfied at the same time.

  In addition, the photosensitive organic component may further include a crosslinkable oligomer having a weight average molecular weight of 300 to 1000 in order to increase adhesion with the substrate and increase a development margin. As a specific example, the crosslinkable oligomer may be glycerin propoxylated triacrylate (GPTA), and 0.1 to 10 parts by mass of a photosensitive organic component may be used.

  The photosensitive organic component may be included in the slurry composition for forming a PDP electrode of the present invention in an amount of 84 to 98 parts by mass. When it is within the above range, the stability, developability and workability of the slurry can be satisfied at the same time.

  Moreover, the slurry composition for forming a PDP electrode of the present invention may further contain a dispersant for improving the dispersibility of the inorganic substance. The dispersant may be contained in the slurry composition in an amount of 0.01 to 5 parts by mass. As specific examples of the dispersant, 180, 151, 191, 333, 345, 348, 2025, etc. manufactured by BYK can be used alone or in admixture of two or more.

  In addition, the electrode-forming slurry composition of the present invention containing such components includes, as necessary, colorants, dyes, dispersants, anti-scratch agents, plasticizers, adhesion promoters, and speed enhancers as usual additives. Alternatively, a surfactant or the like can be additionally included in a range of 0.01 to 5 parts by mass which is a content usually used as an additive. Of course, the performance can be improved by the characteristics of the individual processes.

  The slurry composition for forming a PDP electrode applicable to the present invention can be produced by blending the above-described essential components and arbitrary components at a predetermined ratio. In particular, the slurry composition for forming a PDP electrode of the present invention can improve the productivity of slurry production by blending using a bead mill instead of a three-roll mill, which is a conventional paste blending method.

  The slurry composition for forming a PDP electrode of the present invention preferably has a viscosity after blending of 10 to 80 cp, more preferably 10 to 50 cp. By having the viscosity within the above range, the slurry composition for forming a PDP electrode of the present invention can be coated by a table coating method at the time of electrode formation, can be made thin, and the productivity of manufacturing the PDP electrode can be remarkably improved. Can do.

  The present invention also provides a method for producing a PDP electrode using the slurry composition for forming a PDP electrode and a PDP electrode produced by the method. Of course, the PDP electrode manufacturing method of the present invention can form an electrode by the known PDP electrode manufacturing method using the slurry composition for forming a PDP electrode.

  Specific examples of PDP electrode formation include: (a) a step of applying the PDP bus electrode forming slurry composition on a transparent substrate; (b) a transparent substrate coated with the PDP bus electrode forming slurry composition A PDP electrode can be produced by a method including a step of exposing and developing a pattern to form a pattern; and (c) a step of firing the transparent substrate on which the pattern is formed.

  The transparent substrate may be a normal substrate such as ITO, and the application can be performed by a normal printing method or a coating method, preferably a table coating method. The table coating method can reduce the thickness of the electrode formation and reduce the productivity and cost as compared with the screen printing method used when forming the electrode according to the prior art.

  In addition, in the series of electrode formation of drying, exposure, development and baking after applying the slurry on the substrate, a known process used at the time of forming the PDP electrode can be applied.

  Hereinafter, preferred examples will be presented for the understanding of the present invention. However, the following examples are merely illustrative of the present invention, and the scope of the present invention is not limited to the following examples.

Production Examples 1-3:
As the organic binder polymer, propylene glycol monomethyl ether as a solvent, methacrylic acid (MA): benzyl acrylate (BA): 2-hydroxyethyl (meth) acrylate (2-HEMA): methyl (meth) acrylate (MMA) An acrylate resin having a weight average molecular weight of 25,000 produced by polymerization at a mass ratio of 30: 20: 10: 40 as a body, bisphenol A ethoxydimethacrylate (A) and polyoxymethyl- 1,2-Ethanazole: A mixture of alphahydroomega-1-iodine-2-propenyloxy-ether-2-ethyl-2-hydroxymethyl-1,3-propanediol mixed at a mass ratio of 3: 1 ( B) As an initiator, 2-hydroxy-1--4-4-2 Hydroxy-2-methyl-propynyl-benzyl-benzyl-2-methyl-propane-1-won (C) and 1-butanone, 2-dimethylamino-2-4-methylphenylmethyl-1-4-4 morpholylphenyl System (D), 1-methoxy-2-propanol (E) as a leveling agent, propylene glycol monomethyl ether as a solvent and a composition shown in Table 1 below were stirred at room temperature for 2 hours to produce a photosensitive organic component. The unit is part by mass.

Examples 1-4, Comparative Example 1:
A slurry was produced using a bead mill (Dynomill) with the photosensitive organic component and the inorganic component produced in Production Examples 1 to 3 having the composition shown in Table 2 below. Black pigments in the following Table 2 Use a size of Cu-Mn-Co-based particles is 10 to 1000 nm, a glass frit raw materials Bi ₂ O ₃ 66 parts by magnitude of 1~500nm particles , ZnO 14 parts by mass, B ₂ O ₃ 14 parts by mass, In ₂ O ₃ 2 parts by mass, CuO 2 parts by mass, SiO ₂ 2 parts by mass (A) or Bi ₂ O ₃ 66 parts by mass, ZnO 14 parts by mass , B ₂ O ₃ 14 parts by mass, Al ₂ O ₃ 2 parts by mass, CuO 2 parts by mass, SiO ₂ 2 parts by mass (B).

As an experimental method, after forming the whole surface printing pattern using the spin coater according to the wet thickness of 30, 35, and 40 μm on the glass substrate, the slurry for electrode formation produced in Examples 1 to 4 and Comparative Example 1, The solvent component was completely volatilized by drying at 110 ° C. for 5 minutes using a box type drying furnace. The dried test pieces were each irradiated with UV at an exposure amount of 50, 70, and 100 mJ / cm ² , developed using a 0.4% by weight aqueous solution of Na ₂ CO _3, and washed using distilled water. The substrate on which the pattern was formed in the above process was heated to 570 ° C. at 10 ° C./min and maintained for 25 minutes in the baking process, and then cooled to room temperature to produce a test piece.

  The developability, resolution, sinterability, shrinkage rate, blackness and stability of each of the manufactured test pieces were measured by the following methods and shown in Table 3. That is, developability is developed with a development margin (Time To Clear × 3 times), and 100 μm and 50 μm pattern formation is observed through SEM measurement, and undercut occurs. When under-cut does not occur, it is indicated as ◯, and the resolution is developed with a development margin (Time To Clear × 3 times), and a pattern is formed up to how many μm through microscopic observation. Sinterability is determined by observing the structure of the surface and cross-section after firing through SEM measurement. If bubbles are generated and the surface and cross-sectional state are not dense, ×, no bubbles are generated, but the surface and cross-sectional states are prone. △ when not dense, ◯ when bubbles are not generated and the surface and cross-sectional state are dense, shrinkage is calculated by the difference value between the pattern line width after development and the pattern line width after baking in% through SEM measurement. , Blackness (color L *) was measured using a spectrocolorimeter (CM2500d manufactured by Konica Minolta Co., Ltd.) in which the calcined material was corrected using a standard white plate (0 for pure water black and 100 for pure water white), and the stability was 30 The sedimentation stability was measured in terms of solid content on a daily basis. That is, the slurry to be measured was put in a 30 ml container, 2 ml each of the uppermost and lower parts were collected, dried in an oven at 150 ° C. for 1 hour, and the solid content was measured. As a result of the measurement, a change rate of 10% or more was shown as x, a change rate of 5-10% was shown as Δ, and a change rate of less than 5% was shown as ◯.

  As shown in Table 3, the slurry compositions for forming PDP electrodes of Examples 1 to 4 according to the present invention were all excellent at the same time in terms of developability, resolution, sinterability, shrinkage, blackness, and stability. Although the result was shown, in the case of the comparative example 1, the result which falls notably compared with an Example in terms of developability, sinterability, and stability was shown.

1 is a diagram schematically illustrating a structure of a general plasma display panel (PDP). 5 is a cross-sectional view of a part of an upper substrate structure related to an example of a conventional plasma display panel (PDP) having a black layer. 1 is a cross-sectional view of a part of an upper substrate structure according to an embodiment of a plasma display panel (PDP) of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Fluorescent layer 20 Dielectric layer 30 Protective layer 40 Black stripe 100 Upper substrate 110 Transparent substrate 120 Scan electrode 121 Transparent electrode (scan electrode side)
122 Black layer (scan electrode side)
123 Bus electrode (scan electrode side)
130 sustain electrode 131 transparent electrode (sustain electrode side)
132 Black layer (sustain electrode side)
133 Bus electrode (sustain electrode side)
200 Plasma display panel 210 Address electrode 220 Barrier

Claims (8)

A plasma display panel (PDP) a bus electrode-forming slurry composition,
(A) 0.5 to 8 parts by mass of a black pigment having a particle size of 10 to 1000 nm;
(B) 0.5 to 8 parts by mass of a glass frit raw material having an average particle size of 1 to 500 nm vitrified upon firing; and (c) (i) 10 to 70 parts by mass of an organic binder polymer, ( ii) crosslinking monomer 10 to 50 parts by mass, seen containing a (iii) an initiator 0.1 to 5 parts by weight, and (iv) 84-98 parts by photosensitive organic component containing 5 to 60 parts by weight of solvent,
The viscosity is 10-50 cp,
It is for use in the table coating method.
A slurry composition for forming a PDP bus electrode. The slurry composition for forming a PDP bus electrode according to claim 1, wherein the average particle size of the glass frit raw material (b) is 1 to 200 nm. The glass frit raw material is Bi ₂ O ₃ , ZnO, B ₂ O ₃ , In ₂ O ₃ , CuO, V ₂ O ₅ , SiO ₂ , K ₂ O, Fe ₂ O ₃ , Sb ₂ O ₃ , BaO, The slurry composition for forming a PDP bus electrode according to claim 1, wherein the slurry composition is one or more selected from the group consisting of P ₂ O ₅ , TiO ₂ , Al ₂ O ₃ and WO ₃ . The glass frit raw material is
Bi ₂ O ₃ 1 to 70 parts by weight;
ZnO 1-15 parts by mass;
1 to 15 parts by mass of B ₂ O ₃ ;
1 to 5 parts by mass of In ₂ O ₃ ;
The slurry composition for forming a PDP bus electrode according to claim 1, comprising 1 to 5 parts by mass of CuO; and 1 to 5 parts by mass of SiO ₂ . The glass frit raw material is
Bi ₂ O ₃ 1 to 70 parts by weight;
ZnO 1-15 parts by mass;
1 to 15 parts by mass of B ₂ O ₃ ;
Al ₂ O ₃ 1~5 parts by;
The slurry composition for forming a PDP bus electrode according to claim 1, comprising 1 to 5 parts by mass of CuO; and 1 to 5 parts by mass of SiO ₂ . The slurry composition for forming a PDP bus electrode according to claim 1, further comprising 0.01 to 5 parts by mass of a dispersant. In the PDP bus electrode forming method,
(A) The process of apply | coating the slurry composition for PDP bus electrode formation of any one of Claims 1-6 on a base material by a table coating system, and drying;
(B) said dried substrate exposure process is developed to form a pattern; and (c) PDP bus electrode forming method characterized by comprising the step of firing the substrate on which the pattern is formed. A PDP bus electrode formed by the method of claim 7 .

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