WO2008053832A1 - Écran à plasma et son procédé de fabrication - Google Patents
Écran à plasma et son procédé de fabrication Download PDFInfo
- Publication number
- WO2008053832A1 WO2008053832A1 PCT/JP2007/071018 JP2007071018W WO2008053832A1 WO 2008053832 A1 WO2008053832 A1 WO 2008053832A1 JP 2007071018 W JP2007071018 W JP 2007071018W WO 2008053832 A1 WO2008053832 A1 WO 2008053832A1
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- WO
- WIPO (PCT)
- Prior art keywords
- partition wall
- light emitting
- layer
- phosphor
- forming
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/42—Fluorescent layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
- H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/36—Spacers, barriers, ribs, partitions or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/241—Manufacture or joining of vessels, leading-in conductors or bases the vessel being for a flat panel display
- H01J9/242—Spacers between faceplate and backplate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/36—Spacers, barriers, ribs, partitions or the like
- H01J2211/366—Spacers, barriers, ribs, partitions or the like characterized by the material
Definitions
- the present invention relates to a method for manufacturing a plasma display panel, and more particularly to a method for manufacturing a partition wall of a back panel.
- PDP plasma display panel
- a PDP has a structure in which a front panel and a back panel are arranged to face each other and a peripheral portion is sealed with a sealing member, and a discharge gas such as neon and xenon is formed in a discharge space formed between the two panels. It is enclosed.
- the front panel includes a display electrode pair formed of a scanning electrode and a sustain electrode formed on one surface of a glass substrate, and a dielectric layer and a protective layer covering these electrodes.
- the rear panel partitions a plurality of address electrodes formed in stripes in a direction perpendicular to the display electrode pair on one side of the glass substrate, a base dielectric layer covering these address electrodes, and a discharge space for each address electrode.
- the barrier ribs, and the red, green, and blue phosphor layers coated sequentially on the side walls of the barrier ribs and the underlying dielectric layer are provided.
- the display electrode pair and the address electrode are orthogonal to each other, and the intersection thereof becomes a discharge cell. These discharge cells are arranged in a matrix, and three discharge cells having red, green, and blue phosphor layers arranged in the direction of the display electrode pair become pixels for color display.
- the PDP sequentially applies a predetermined voltage between the scan electrode and the address electrode and between the scan electrode and the sustain electrode to generate a gas discharge, and excites the phosphor layer with ultraviolet rays generated by the gas discharge to generate visible light. A color image is displayed by emitting light.
- a glass paste layer as the first barrier rib material is formed on the substrate, and titania powder or zirconium oxide is formed on the surface.
- the glass paste layer which is a white second partition material containing powder
- An example of forming partition walls is disclosed! /, E.g. (see Patent Document 2).
- Patent Document 1 Japanese Patent Laid-Open No. 11 191368
- Patent Document 2 Japanese Patent Laid-Open No. 11 213899
- the present invention solves such a problem and provides a PDP capable of realizing a partition wall forming a fine discharge cell capable of high-definition display and high-luminance display with high accuracy and low cost, and a method for manufacturing the same. Doing that is to do.
- the present invention is configured as follows.
- a front panel in which a display electrode pair, a dielectric layer, and a protective layer are formed on a glass substrate, and an address electrode, a partition, and a phosphor layer are formed on the substrate.
- a plasma display panel in which a discharge panel is formed by arranging a face panel and facing the surface,
- a plasma display panel having a light emitting barrier between the barrier and the phosphor layer, wherein the light emitting barrier is formed of a mixture of a barrier material and a phosphor material.
- the light-emitting barrier rib portion is formed by mixing the phosphor material and the barrier rib material, and the mixing ratio of the phosphor material is 42 wt% to 67 wt%.
- a plasma display panel according to the first aspect is provided.
- a front panel in which a display electrode pair, a dielectric layer, and a protective layer are formed on a glass substrate, an address electrode, a partition, a phosphor layer on the substrate,
- a mold release mold for releasing the mold from the light emitting partition wall forming layer and the partition wall forming layer.
- the partition wall forming layer and the light emitting partition wall forming layer formed by the mold are fired and solidified.
- a method for manufacturing a plasma display panel is provided in which the back panel is manufactured by performing the steps described above.
- the partition wall portion made of only the partition wall material and the light-emitting partition wall portion containing the phosphor material and the partition wall material are formed on the side surface portion, thereby ensuring the partition wall strength and brightness.
- a partition wall for improvement can be easily manufactured.
- the fluidity of the material forming the light-emitting partition wall portion forming layer due to stress application is the flow of the material forming the partition wall portion forming layer due to stress application.
- the material for forming the partition wall forming layer enters the female recess by pressing the light emitting partition wall forming layer and the partition wall forming layer simultaneously with the mold in a state smaller than the property.
- the light emitting partition wall portion can be formed over the entire side surface of the core portion of the partition wall where the material of the core portion of the partition wall and the light emitting partition wall forming layer are not mixed.
- the method for producing a plasma display panel according to the fourth aspect further includes a firing step of firing and solidifying the partition wall, the light emitting partition wall portion, and the phosphor portion forming layer formed by the molding die.
- the core part made only of the barrier rib material, the light emitting barrier rib containing the phosphor material and the barrier rib material on the side surface, and the phosphor material only in one molding step. It is possible to manufacture a discharge cell in which the phosphor portion is formed, the barrier rib strength is ensured and the luminance is improved. [0018] According to the sixth aspect of the present invention, in the state where the fluidity of the phosphor part forming layer due to the stress application is smaller than the fluidity of the light emitting partition part due to the stress application, the phosphor in the mold is used.
- the material forming the partition part forming layer By simultaneously pressing the part forming layer, the light emitting partition part forming layer, and the partition part forming layer, the material forming the partition part forming layer enters the female recess and forms the partition core part of the partition
- the material for forming the light emitting partition wall forming layer forms light emitting partition walls on both side walls of the partition core portion
- the material for forming the phosphor portion forming layer is formed on the light emitting partition wall portion.
- the phosphor part forming layer can be formed over the entire side surface of the light emitting partition part forming layer in the molding process.
- the light emitting barrier section is formed by mixing the phosphor and the partition material, and the mixing ratio of the phosphor material is 42 wt% to 67 wt%. According to such a manufacturing method that provides the method for manufacturing a plasma display panel according to one embodiment, the luminance of light emission can be increased while maintaining the strength of the partition walls.
- a front panel in which a display electrode pair, a dielectric layer, and a protective layer are formed on a glass substrate; a rear surface having a partition wall and a phosphor layer on the substrate;
- a curing step for curing the light emitting auxiliary material composition and the partition wall material composition A mold release step of releasing the mold from the light emitting auxiliary material composition and the partition wall material composition;
- a method of manufacturing a plasma display panel is provided.
- the luminance is improved by the light emitting auxiliary material (light emitting partition wall portion) exposed on the surface portion of the partition wall after firing, and the central portion of the partition wall is composed only of the partition wall material.
- the strength of can be sufficiently secured.
- the light emission auxiliary material composition is applied in a state where an oil repellency treatment is applied to the bottom surface of the concave portion.
- the light emission auxiliary material composition in which the light emission auxiliary material composition is applied to one side surface portion of the recess, the light emission auxiliary material composition can be applied to only the side surface with high accuracy because of repulsion with the bottom surface portion having oil repellency.
- the light emission auxiliary material composition is applied in a state in which the side surface portion of the recess is subjected to lipophilic treatment.
- a method for producing a plasma display panel according to the aspect 8 or 9 is provided.
- the light emission auxiliary material composition is easily compatible with the side surface portion of the recess, and thus can be stably applied to the side surface portion.
- the partition wall material can be reliably formed at the center of the partition wall, and the partition wall strength can be increased.
- the molding die is molded into the first molding die for molding the side surface portion of the concave portion and the concave portion fitted into the first molding die.
- a second molding die having an end portion for molding the bottom surface portion, and the end portion of the second molding die is positioned higher than the position of the bottom surface portion of the concave portion obtained by inverting the shape of the partition wall.
- the light emitting auxiliary material layer forming step is performed,
- the plasma display panel according to the eighth aspect in which the partition wall forming layer forming step is performed by disposing the end portion of the second mold at the position of the bottom surface of the recess having the inverted partition wall shape.
- a manufacturing method is provided.
- the light emission auxiliary material composition is reliably applied to one side surface portion of the recess by the second mold, and the bottom surface of the recess or the side surface opposite to the recess is opposite. It can be applied to only the slope with high accuracy.
- the light emitting auxiliary material composition in a state in which an oil repellency treatment is performed on a surface of the second mold for forming the concave portion.
- a method for producing a plasma display panel according to the twelfth embodiment for applying an object is provided.
- the surface of the second mold that forms the recess is subjected to an oil repellency treatment, so that the light emission assisting material applied to one side surface of the recess in the light emission assisting material forming step. Since the composition repels the surface of the second mold, it is applied to the opposite side surface portion of the recess and can be applied only to the slope with high accuracy.
- the light emission auxiliary material includes at least one of a phosphor material and a reflective pigment.
- a method for producing a plasma display panel as described in 1) is provided. As a result, it becomes possible to manufacture a PDP with high brightness by more reliably assisting the light emission of the phosphor layer.
- the portion has both a function as a barrier rib and a function as a phosphor.
- the PDP barrier rib structure and its manufacturing method that can increase the effective phosphor thickness while maintaining the barrier rib strength and have a high-precision, high-luminance fine discharge cell PDP can be realized.
- the portion between the portion made of the barrier rib material (the barrier rib) and the portion made of the phosphor material (the phosphor layer) Expecting the effect of suppressing peeling at the surface.
- FIG. 1A is a perspective view showing a main part of a PDP in a first embodiment of the present invention.
- FIG. 1B is an enlarged cross-sectional view of a PDP discharge cell according to the first embodiment of the present invention.
- FIG. 2A is a diagram showing a manufacturing process of the back panel of the PDP in the first embodiment of the present invention
- FIG. 2B is a diagram showing a manufacturing process of the back panel of the PDP in the first embodiment of the present invention following the process of FIG. 2A.
- FIG. 2C is a diagram showing a manufacturing process of the back panel of the PDP in the first embodiment of the present invention following the process of FIG. 2B.
- FIG. 2D is a diagram showing a manufacturing process of the back panel of the PDP in the first embodiment of the present invention following the process of FIG. 2C;
- FIG. 2E is a diagram showing a manufacturing process for the back panel of the PDP in the first embodiment of the present invention following the process of FIG. 2D.
- FIG. 2F is a diagram showing a manufacturing process of the back panel of the PDP in the first embodiment of the present invention following the process of FIG. 2E;
- FIG. 3 is a diagram showing the characteristics of light emission luminance and elastic deformation rate with respect to the phosphor material content in the light emitting partition wall forming layer of the PDP in the first embodiment of the present invention.
- FIG. 4A is a diagram showing a manufacturing process of the back panel of the PDP in the second embodiment of the present invention.
- FIG. 4B is a diagram showing a manufacturing process of the back panel of the PDP in the second embodiment of the present invention following the process of FIG. 4A;
- FIG. 4C is a diagram showing a manufacturing process of the back panel of the PDP in the second embodiment of the present invention following the process of FIG. 4B;
- FIG. 4D is a diagram showing a manufacturing process of the back panel of the PDP in the second embodiment of the present invention following the process of FIG. 4C;
- FIG. 5 is a perspective view showing a main part of the PDP in the third embodiment of the present invention.
- FIG. 6A is a rear panel of the PDP in the third embodiment of the present invention. It is a figure which shows the manufacturing process of
- FIG. 6B is a diagram showing a manufacturing process of the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6A;
- FIG. 6C is a diagram showing a manufacturing process of the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6B;
- FIG. 6D is a diagram showing a manufacturing process for the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6C;
- FIG. 6E is a diagram showing a manufacturing process of the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6D;
- FIG. 6F is a diagram showing a manufacturing process of the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6E;
- FIG. 6G is a diagram showing a manufacturing process of the back panel of the PDP in the third embodiment of the present invention following the process of FIG. 6F;
- FIG. 6H is a diagram illustrating the back of the PDP in the third embodiment of the present invention following the process of FIG. 6G. It is a figure which shows the manufacturing process of a surface panel,
- FIG. 7A is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention.
- FIG. 7B is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7A.
- FIG. 7C is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7B;
- FIG. 7D is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7C;
- FIG. 7E is a diagram showing a manufacturing process for the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7D;
- FIG. 7F is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7E;
- FIG. 7G is a diagram showing a manufacturing process of the back panel of the PDP in the fourth embodiment of the present invention following the process of FIG. 7F;
- FIG. 8A is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention.
- FIG. 8B is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8A;
- FIG. 8C is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8B;
- FIG. 8D is a diagram showing a manufacturing process for the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8C;
- FIG. 8E is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8D;
- FIG. 8F is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8E;
- FIG. 8G shows the back of the PDP in the fifth embodiment of the present invention following the process of FIG. 8F. It is a figure which shows the manufacturing process of a surface panel
- FIG. 8H is a diagram showing a manufacturing process of the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8G;
- FIG. 81 is a diagram showing a manufacturing process for the back panel of the PDP in the fifth embodiment of the present invention following the process of FIG. 8H.
- FIG. 1A is a perspective view showing the main part of the PDP in the first embodiment of the present invention.
- a plurality of discharge cells 11 serving as discharge spaces are arranged in a matrix between the front panel 1 and the back panel 2 arranged opposite to each other, and the outer peripheral portion of each discharge cell 11 is a sealing member such as a glass frit ( (Not shown).
- the display electrode pair 16 includes a transparent electrode that transmits visible light and a bus electrode that reduces the resistance of the transparent electrode.
- a plurality of address electrodes 22 covered with the base dielectric layer 21 are arranged in parallel to each other in a direction orthogonal to the display electrode pair 16. Yes.
- a partition wall 23 for partitioning the discharge cell 11 for each address electrode 22 is provided between the adjacent address electrodes 22.
- a phosphor layer 24 is formed on the base dielectric layer 21 and on the side surfaces of the barrier ribs 23.
- a light emitting barrier 66 is provided between the barrier 23 and the phosphor layer 24, and the light emitting barrier 66 is made of a barrier material. It is made of a mixture of phosphor materials.
- the partition wall 23 includes a partition wall portion 23A formed only of the partition wall material, and a front surface of the light emitting partition wall portion 66 formed on the side surface of the partition wall portion 23 by mixing the partition wall material and the phosphor material. It is composed of the partition wall material part!
- the phosphor layer 24 includes a portion of the phosphor material of the light emitting partition 66 and a phosphor portion 24A formed only of the phosphor material so as to cover the light emitting partition 66.
- the boundary line is not necessarily linear. A straight line, a curved line, a zigzag shape, etc. Although it has an arbitrary shape, in order to facilitate understanding of the present embodiment, in FIG. 1A and FIG. 1B, it is simplified and linearly illustrated.
- the light emitting partition 66 is intentionally formed on the partition 23A so as to cover the partition 23A, and there is a clear boundary between the light emitting partition 66 and the partition 23A. There is also a clear boundary between the light emitting partition 66 and the phosphor 24A.
- the barrier rib material melts, but the phosphor material remains in powder form, so each boundary can be confirmed by observing the cross section.
- the partition wall portion 23A functions as a partition wall main body portion
- the light emitting partition wall portion 66 functions as a partition wall auxiliary portion.
- the phosphor portion 24A functions as a phosphor layer body portion
- the light-emitting partition 66 functions as a phosphor layer auxiliary portion. Therefore, the light emitting barrier 66 has both a function as a partition auxiliary portion and a function as a phosphor layer auxiliary portion.
- the discharge cell 11 is filled with, for example, neon or xenon as a gas that emits ultraviolet rays by discharge.
- the phosphor layer 24 (that is, the phosphor material of the light emitting partition 66 and the phosphor material of the phosphor 24A) is excited by ultraviolet rays generated by the discharge in the discharge cell 11 to generate visible light. Display the image.
- the discharge cells 11 arranged in a matrix form an image display region, and the aforementioned various electrodes are provided on the opposing surface of the front substrate 10 and the opposing surface of the rear substrate 20. An image is displayed by applying various drive voltages to these electrodes from an external drive circuit.
- the partition wall 23 is designed to have a trapezoidal cross-sectional height of 120 m, an upper base of 35 m, a lower base of 50 m, and a pitch of 220 m.
- the shape of the partition wall 23 is not limited to these design values. Etc. are possible.
- the base of the mold 131 is made of a material such as plastic, metal, ceramic, or glass that is not particularly limited.
- FIG. 2A shows a process of coating and forming a partition wall forming layer 32 on the back substrate 20 on which the address electrodes 22 are formed, so as to form a partition wall 23A formed of a partition wall material as a part of the partition wall 23. .
- a paste-like partition material made of glass paste is uniformly applied on the back substrate 20 so as to cover the address electrodes 22.
- a forming layer 32 is formed.
- the partition wall forming layer 32 is formed to a thickness that satisfies the amount necessary for forming the partition wall 23A and the base dielectric layer 21.
- a method for applying the partition wall material die coating or screen printing is used.
- the viscosity of the glass paste as the partition wall material is in the range of lPa ′S to 500Pa ′S, the partition wall portion 23A can be easily formed.
- the partition wall material constituting the partition wall 23 is made of a metal oxide such as boron oxide, silicon oxide, bismuth oxide, lead oxide, or titanium oxide, and is a material that forms the partition wall 23 by melting by firing.
- the partition wall material portion of the light emitting partition wall portion 66 is formed as a part of the partition wall 23 and the light emitting partition wall portion 66
- a paste-like phosphor-containing partition wall material in which phosphor powder is dispersed in glass paste is applied so that the phosphor material portion is formed as a part of the phosphor layer 24.
- the step of forming the light emitting partition part forming layer 33 for forming the light emitting partition part 66 is performed.
- the light-emitting partition wall forming layer 33 is a red, green, and blue light-emitting partition formed of a red, green, and blue phosphor-containing partition material that contains phosphors of different emission colors of red, green, and blue, respectively.
- the formation layer is composed of 33R, 33G, and 33B.
- red, green, and blue phosphor-containing barrier rib materials containing phosphors with different emission colors of red, green, and blue are dispensed by a dispenser method or a screen printing method.
- the red, green, and blue light emitting partition wall forming layers 33 R, 33 G, and 33 B are sequentially formed in a stripe pattern.
- the gap between stripes of each color is the completed partition Set to less than 23 width.
- the partition wall 23 has a stripe shape, but a partition having a “cross beam” shape (“#” shape) can also be used. Even in the case of a “cross beam” -shaped (“#”-shaped) barrier rib, when discharge cells having the same emission color are formed in a stripe shape, a phosphor-containing barrier rib material may be applied in a stripe shape.
- the phosphor-containing barrier rib material includes a phosphor material and a barrier rib material, and is composed of a solvent, an organic additive, and the like.
- the partition wall material is made of a metal oxide such as boron oxide, silicon oxide, bismuth oxide, lead oxide, or titanium oxide, and is a material that forms the partition wall 23 by melting by firing. Specific examples of phosphor materials are given below. Blue phosphor materials include ZnS: Ag, BaMgAl 2 O: Eu, BaMgAl 2 O: Eu, young
- the green phosphor material is Zn
- phosphor materials such as S: Cu, ZnSiO: Mn, YOS: Tb, or YBO: Tb.
- Red phosphor materials include Y 2 O: Eu, Zn (PO 2): Mn, YV 0: Eu, or (Y,
- Gd) BO There are phosphor materials such as Eu.
- the thickness of the light emitting partition wall forming layer 33 is thin, the thickness of the light emitting partition wall 66 formed on both side surfaces of the wall of the partition wall 23A is also reduced, and the partition wall 23A and the light emitting partition wall 66 are combined. There is a possibility that the strength of the partition wall 23 is too low. Therefore, it is desirable to control the coating thickness of the light emitting partition wall forming layer 33 so that the thickness of the light emitting partition wall portion 66 is 5 inches or more at the intermediate position between the top and bottom of the completed partition wall 23. .
- FIG. 2C shows a back substrate.
- a light-transmitting mold 34 is pressed on the partition wall forming layer 32 and the light emitting partition wall forming layer 33, and the shape of the molding die 34 is transferred to the partition wall forming layer 32 and the light emitting partition wall forming layer 33.
- a process is shown.
- the inverted shape of the partition wall 23, that is, the partition wall 23 portion is formed in the female recess 35, and the inverted shape of the discharge cell 11, that is, the discharge cell 11 portion is male. Formed on the mold protrusion 34A.
- the shape of the female concave portion 35 of the mold 34 (in other words, the shape of the male convex portion 34A) is determined by firing after the partition wall 23 is molded.
- the dimensions take into account shrinkage.
- the center of the female recess 35 of the molding die 34 is adjacent to the rear substrate 20 with respect to the rear substrate 20 on which the light emitting partition wall forming layer 33 shown in FIG. 2B is formed.
- the pressing member 80 is aligned so that it is positioned at the center of the portion between the dressing electrodes 22 (in other words, the center of each male projection 34A is positioned at the center of each address electrode 22 of the rear substrate 20).
- the end surface of the male convex portion 34A of the molding die 34 presses the partition wall forming layer 32 and the light emitting partition wall forming layer 33, so that the female of the molding die 34 is pressed.
- the material forming the partition wall forming layer 32 and the material forming the light emitting partition wall forming layer 33 flow along the side wall of the mold recess 35 into the female recess 35.
- the fluidity of the material forming the light emitting partition wall forming layer 33 due to stress application is made smaller than the fluidity of the material forming the partition wall forming layer 32 due to stress application. .
- each of the partition wall forming layer 32 and the light emitting partition wall forming layer 33 by applying a stress can be controlled by adjusting the blending ratio of the resin material in the material.
- the first embodiment of the present invention is used as a result of different fluidity between the material forming the light emitting partition wall forming layer 33 and the material forming the partition wall forming layer 32.
- the material that forms the partition wall forming layer 32 flows more than the material that forms the light emitting partition wall forming layer 33 that flows along the surface of the female recess 35 of the molding die 34 by the pressing of the molding die 34. It becomes easy to deform.
- the material forming the partition wall forming layer 32 flows and deforms so as to form the partition core portion 36, and enters the female recess 35 to the bottom of the female recess 35, so that the fluidity is small.
- the light emitting barrier rib forming layer 33 is formed so as to be positioned around the barrier rib core 36 and on the bottom surface of the discharge cell 11. Accordingly, the partition wall forming layer 32 and the light emitting partition wall forming layer 33 are not mixed by the pressing of the molding die 34, and the light emitting partition wall forming layer 33 of another color is further connected to the adjacent discharge sensor side. There is no color mixing around the top.
- a partition wall core portion 36 including only the partition wall portion forming layer 32 is formed in the central portion in the female recess portion 35, and the surface side of the female recess portion 35, that is, both side wall portions of the partition wall core portion 36 and the discharge are formed.
- the bottom surface of the cell 11 includes a phosphor material and a barrier rib material of different colors and forms a light-emitting barrier rib portion 66 before firing for forming a light-emitting barrier rib portion 66 after firing.
- a light emitting partition wall 37 is formed.
- the partition wall formation layer before firing that is, the base partition wall 38 for forming the fired partition wall 23 is formed.
- the partition wall formation layer before firing that is, the base partition wall 38 for forming the fired partition wall 23 is formed.
- the base partition wall 38 for forming the fired partition wall 23 is formed.
- the material forming the light-emitting partition wall portion forming layer 33 has low fluidity due to stress application, the base light-emitting partition wall portion 37 becomes thinner toward the top of the base partition wall 38, and the film thickness becomes thinner.
- the base light-emitting partition wall portion 37 emits light so that the ratio of the partition material made of glass paste increases toward the top of the base partition wall 38, and only the partition wall material is filled near the top of the base partition wall 38.
- the material of the partition wall forming layer 33 may be adjusted. That is, in the material of the light emitting barrier rib forming layer 33, the material may be adjusted so that the fluidity of the barrier rib material is greater than that of the phosphor material.
- the mixing ratio of the partition wall material and the phosphor material of the light emitting partition wall forming layer 33 is set to 42 wt% of the phosphor material with respect to the total weight of the material of the light emitting partition wall forming layer 33.
- the barrier ribs 23 having a strength and an elastic modulus that can withstand practical use with a relatively high emission luminance in the miniaturized discharge cell 11 are realized by adjusting the concentration to be in a range of from% to 67 wt%.
- the phosphor content is less than 42 wt%, it is not possible to expect an improvement in light emission luminance in the discharge cell 11.
- the phosphor content exceeds 67 wt%, the strength of the partition wall 23 is undesirably lowered. Therefore, when the phosphor content is 42 wt% or more, it is possible to expect an improvement in light emission luminance in the discharge cell 11, while when the phosphor content is 67 wt% or less, it can be practically used.
- the partition wall 23 can have the strength and elastic modulus.
- the partition wall core portion 36 of the material forming the partition wall portion forming layer 32 is formed between the male convex portion 34A of the mold 34 and the back substrate 20.
- the remaining part other than the part that has flowed to form remains, and the remaining part of the material forming the partition wall forming layer 32 is used to form the base dielectric layer 21 after firing, before firing.
- the base dielectric layer forming layer that is, the base base dielectric layer 39 is formed.
- the base underlayer dielectric layer 39 is formed to a thickness that covers at least the address electrode 22.
- 2D was molded by the mold 34 before the translucent mold 34 was released from the back substrate 20.
- each layer partition core 36, base light-emitting partition 37, base base dielectric layer 39. Show.
- the partition wall 37 is exposed to near ultraviolet light or visible light that passes through the mold 34.
- the base partition wall 38 (the partition core part 36 and the base light emitting partition part 37) formed by the mold 34 is relatively thick, a strong light source and a relatively long exposure time are required for curing. Further, since the material forming the partition wall forming layer 32 (the partition wall material constituting a part of the base light-emitting partition wall 37) shrinks when cured, the base partition wall 38 and the molding die 34 are reduced by this contraction. A gap is formed between the male convex part 34A.
- the exposure output is 15 mW / cm 2 and the exposure time is 30 seconds (see JP 2000-173456 A).
- FIG. 2E shows a cross-sectional structure of the back panel 2 in a state where the mold 34 is released from the back substrate 20.
- the address electrode 22 is formed on the back substrate 20, and the base base dielectric layer 39 of the base dielectric layer 21 and the base partition wall 38 (partition core)
- a portion 36, a base light emitting partition wall portion 37) and a base light emitting partition wall portion 37 on the bottom surface of the discharge cell 11 are formed.
- the base underlayer dielectric layer 39 and the base The barrier rib 38 (the barrier rib core portion 36 and the base light emitting barrier rib portion 37) and the base light emitting barrier rib portion 37 on the bottom surface of the discharge cell 11 are sintered and solidified, respectively, and the base dielectric layer 21 and the barrier rib 23 (the barrier rib portion 23A shown in FIG. And the light emitting barrier 66)
- the light emitting barrier 66 on the bottom surface of the discharge cell 11 can be formed respectively.
- the partition wall portion 23A having only the partition wall material as a core exhibits a function as a partition wall main body portion
- the light emitting partition wall portion 66 formed on the side surface of the partition wall portion 23A and made of a mixed material of the phosphor material and the partition wall material is also the partition wall. Since the material is included, the light emitting partition 66 can also function as a partition auxiliary part. Therefore, the partition wall 23 in the first embodiment is the partition wall portion 23. It can also be said that it has a two-layer structure of A and the light emitting partition 66.
- the light emitting barrier part 66 on the bottom surface in the discharge cell 11 is formed so that the phosphor part 24A formed of the phosphor material is formed as a part of the phosphor layer 24.
- the base phosphor layer 41 is baked to form the phosphor portion 24A, thereby completing the rear panel 2. To do.
- red, green and blue phosphor pastes are used so that the red, green and blue base phosphor layers are formed corresponding to the red, green and blue discharge cells 11.
- the red, green, and blue phosphor portions 24A are formed after firing.
- the phosphor portion 24A having only the phosphor material exhibits the function as the phosphor layer body portion, and is formed on the side surface of the partition wall portion 23A and the bottom surface of the discharge cell 11, and is a mixed material of the phosphor material and the partition material. Since the light emitting partition 66 made of phosphor also contains a phosphor material, the light emitting partition 66 can also function as a phosphor layer auxiliary portion. Therefore, it can be said that the phosphor layer 24 in the first embodiment has a two-layer structure of the phosphor part 24A and the light emitting partition part 66! /.
- FIG. 3 is a diagram showing the characteristics of the light emission luminance and the elastic deformation rate with respect to the phosphor material content in the light emission partition wall forming layer 33 of the PDP in the first embodiment of the present invention.
- the elastic deformation rate is the ratio of the amount of elastic deformation to the indentation depth in the indentation test.
- the elastic modulus has the same tendency as the elastic deformation rate.
- the elastic deformation rate and light emission of the barrier rib 23 after firing when the phosphor content (wt%) is changed The brightness is shown in Fig. 3.
- the emission luminance increases almost in proportion to the phosphor content, but the elastic deformation rate indicating the strength of the barrier ribs 23 decreases as the phosphor content increases.
- the composition of the partition wall portion 23A which is the core portion of the partition wall 23, is a glass paste. It was confirmed with a prototype sample that it could be put to practical use even with about 1/5 of the partition wall 23A formed only by the above.
- the current (not high definition) PDP cell of 42 inches has been developed.
- the aperture ratio is 66%, whereas a 50-inch high-definition PDP has an aperture ratio of 50%.
- the high-definition PDP has a smaller cell size, a thinner phosphor layer and lower brightness, and a smaller barrier width and lower strength.
- the total thickness as the partition is 30 m.
- the luminous partition is as thin as 5 m, the effective luminance is halved. Therefore, it is necessary to ensure that the luminous luminance is 0.5 or more.
- the content should be over 42wt%.
- the partition wall thickness is only 30 111, it is necessary to secure at least 0.5 or more as the elastic deformation rate of the partition wall. From the graph of FIG. 3, the phosphor content must be 67 wt% or less. There is.
- the content ratio of the phosphor material with respect to the barrier rib material of the light-emitting barrier rib 66 after firing is 42 wt% to 67 wt%. Furthermore, when priority is given to the emission luminance over the intensity of the partition wall 23, the mixing ratio of the phosphors is preferably set to 50 wt% to 67%.
- FIG. 4A to 4D are process diagrams showing a method for producing a PDP according to the second embodiment of the present invention.
- the second embodiment of the present invention differs from the first embodiment in that, as shown in FIG. 4A, a phosphor portion 23A is further formed after FIG. 2B described in the first embodiment. This is because the phosphor part forming layer 40 is formed by patterning.
- the barrier rib portion forming layer 32 is formed on the back substrate 20 on which the address electrodes 22 are formed, the light emitting barrier rib portion forming layer 33 made of the phosphor material and the barrier rib material is formed in the pattern jungle, and the light emitting barrier rib portion is formed.
- the phosphor part forming layer 40 made of only the phosphor material having the same emission color as that of the light emitting partition part forming layer 33 is formed. Similar to the first embodiment, the fluidity of the material forming the light emitting partition wall forming layer 33 due to stress application is made smaller than the fluidity of the material forming the partition wall layer forming layer 32 due to stress application. The fluidity of the material forming the phosphor part forming layer 40 by applying stress is made smaller than the fluidity of the material forming the light emitting partition part forming layer 33 by applying stress. That is, the material composition having high fluidity due to stress application in the order of the partition wall forming layer 32, the light emitting partition wall forming layer 33, and the phosphor portion forming layer 40. It is said.
- FIG. 4B shows the shape of the mold 34 when the mold 34 is pressed against the phosphor part forming layer 40 and pressed in the direction of the arrow, as in the first embodiment.
- a process of transferring to the formation layer 40 and the light-emitting partition wall formation layer 33 and the partition wall formation layer 32 is shown.
- the molding die 34 is the same as that of the first embodiment, but the size is changed by the amount that the phosphor part forming layer 40 is also press-molded to form the base phosphor layer 41.
- the female concave portion 35 and the male convex portion 34A of the molding die 34 respectively
- the partition wall portion forming layer 32, the light emitting partition wall portion forming layer 33, and the phosphor portion forming layer 40 are plastically deformed, and the partition wall core portion 36, the base light emitting partition portion 37, the base phosphor layer 41, and the base underlayer dielectric layer 39 are formed. It is formed in layers.
- the fluidity of the material forming the light-emitting partition wall forming layer 33 due to stress application is made smaller than the fluidity of the material forming the partition wall forming layer 32 due to stress application.
- the fluidity relationship by means of is the same as that described in the first embodiment, so the explanation is omitted.
- the fluidity of the material forming the phosphor part forming layer 40 by applying a stress is more than the fluidity of applying the stress of the material forming the light emitting partition part forming layer 33. I try to make it smaller. Therefore, it is possible to form the film with a predetermined film thickness that does not cause color mixing due to the flow of the phosphor part forming layer 40.
- the light emission partition wall forming layer that flows along the surface of the female recess 35 of the molding die 34 by pressing the molding die 34 against the back substrate 20 as in the first embodiment.
- the material forming the partition wall forming layer 32 is less susceptible to flow deformation than the material forming 33. Therefore, the material forming the partition wall forming layer 32 flows and deforms so as to form the partition core portion 36, and enters the female recess 35 to the bottom of the female recess 35, so that the fluidity is small.
- the light emitting partition wall forming layer 33 is formed so as to be positioned around the partition wall core 36.
- the light emitting partition wall forming layer 33 forming the base light emitting partition wall portion 37 and the partition wall forming layer 32 forming the partition wall core portion 36 are not mixed with each other by the pressing of the molding die 34, and the adjacent discharge cell side.
- the other color base light-emitting partition wall 37 passes over the partition wall core section 36. I can't get around and mix colors.
- the remaining part of the material forming the partition part forming layer 32 other than the part that has flowed to form the partition core part 36 is formed between the male convex part 34A of the mold 34 and the back substrate 20 between the male convex part 34A of the mold 34 and the back substrate 20, the remaining part of the material forming the partition part forming layer 32 other than the part that has flowed to form the partition core part 36 is formed.
- the base dielectric layer forming layer before firing that is, the base base dielectric, for forming the ground dielectric layer 21 after firing with the remaining part of the material forming the partition wall forming layer 32.
- Layer 39 is formed.
- the remaining portion other than the portion that has flowed to form the base light-emitting partition wall portion 37 remains on the base underlying dielectric layer 39.
- the phosphor part forming layer 40 having a lower fluidity than the light emitting partition part forming layer 33 does not move so much between the end face of the male convex part 34A of the mold 34 and the base light emitting partition part 37.
- the base phosphor layer 41 is formed by being molded as it is. Therefore, the phosphor part forming layer 40 that forms the base phosphor layer 41 and the partition wall forming layer 32 that forms the partition core part 36 are not mixed by the pressing of the mold 34, and the adjacent discharge cells are further mixed.
- the base phosphor layer 41 of another color does not go around beyond the partition wall core part 36 and mix colors.
- the flow of the material forming the partition wall forming layer 32 and the flow of the material forming the light emitting partition wall forming layer 33 are increased.
- the base core part 36, the base light emitting partition part 37, and the base underlayer dielectric layer 39 are formed, and at the same time, the material for forming the phosphor part forming layer 40 is flowed to form the base phosphor part 41.
- the exposure process in FIG. 4C and the baking process in FIG. 4D are substantially the same as the exposure process in FIG. 2D and the baking process in FIG. .
- the difference from the first embodiment is that the phosphor part forming layer 40 is exposed and cured and contracted in the same manner as the partition part forming layer 32 and the light emitting partition part forming layer 33, and the phosphor part forming layer. 40 is fired in the same manner as the partition wall forming layer 32 and the light emitting partition wall forming layer 33.
- a method of laying a reflective white pigment layer such as titanium oxide or a reflective colored pigment layer under a phosphor layer is disclosed (for example, see Patent Document 3 (JP-A-10-188820) and Patent Document 4 (JP-A-8-138559).
- a method is disclosed in which a partition wall is formed by embedding a mixture of a partition wall material and a phosphor material in an aperture portion formed of a photosensitive film, thereby imparting fluorescence to the partition wall surface and improving luminance. (See, for example, Patent Document 1).
- Patent Document 3 or Patent Document 4 improves the luminance as the phosphor layer
- a reflective layer hereinafter referred to as a reflective layer
- the substantial discharge space becomes narrow, which causes a problem that the brightness, rather, the brightness, rather than the decrease in discharge efficiency. This issue becomes more serious as the number of discharge cells becomes narrower as the PDP becomes more precise in recent years.
- the substantial discharge space becomes smaller due to the reflective layer, it is conceivable to secure the discharge space by making the barrier ribs narrow accordingly. Or an erroneous discharge occurs between adjacent cells.
- the adhesion of the barrier rib material forming the barrier ribs is hindered, so that it is difficult to ensure the strength of the barrier ribs, and there is a problem that the barrier ribs are lost due to dropping or the like.
- the following embodiment of the present invention further solves such problems and forms a fine discharge cell capable of both high-definition display and high-luminance display.
- the aim is to provide a PDP and a PDP manufacturing method that can realize partition walls with high accuracy and low cost.
- FIG. 5 is a perspective view showing the main part of the PDP in the third embodiment of the present invention.
- a plurality of discharge cells 11 serving as discharge spaces are arranged in a matrix between the front panel 1 and the rear panel 2 arranged in opposite directions, and the outer periphery of each discharge cell 11 is sealed with glass frit or the like. It has a structure sealed by a member (not shown).
- the display electrode pair 16 includes a transparent electrode that transmits visible light and a bus electrode that reduces the resistance of the transparent electrode.
- a plurality of address electrodes 22 covered with the base dielectric layer 21 are arranged in parallel to each other in a direction orthogonal to the display electrode pair 16. Yes.
- a partition wall 23 for partitioning the discharge cell 11 for each address electrode 22 is provided between the adjacent address electrodes 22.
- a phosphor layer 24 is formed on the base dielectric layer 21 and on the side surfaces of the partition wall 23.
- the partition wall 23 is formed by mixing a partition wall portion 23B formed of only a partition wall material, a partition wall material, and a phosphor material.
- the light-emitting auxiliary layer (light-emitting partition wall portion) 70 formed on the side surface of the partition wall portion 23B is composed of the partition wall material portion.
- the phosphor layer 24 covers the phosphor material part of the light emission auxiliary layer (light emission partition wall portion) 70 and the light emission auxiliary layer (light emission partition wall portion) 70 so as to cover the phosphor material. It is composed of a phosphor part 24B formed only by the! /
- the force boundary line can be clearly grasped.
- the boundary line is not necessarily a straight line.
- a light emission auxiliary layer (light emission barrier wall part) 70 is intentionally formed on the partition wall part 23B so as to cover the barrier wall part 23B, and between the light emission auxiliary layer (light emission barrier wall part) 70 and the barrier wall part 23B.
- the partition wall 23B functions as a partition wall main body portion
- the light emission auxiliary layer (light emission partition wall portion) 70 functions as a partition wall auxiliary portion.
- the phosphor portion 24B functions as a phosphor layer body portion
- the light emission auxiliary layer (light emission partition wall portion) 70 functions as a phosphor layer auxiliary portion. Therefore, the light emission auxiliary layer (light emission partition wall portion) 70 has both a function as a partition wall auxiliary portion and a function as a phosphor layer auxiliary portion.
- the discharge cell 11 is filled with, for example, neon or xenon as a gas that emits ultraviolet rays by discharge. Then, the phosphor layer 24 (that is, the phosphor material of the light emission auxiliary layer (light emission partition wall portion) 70 and the phosphor material of the phosphor portion 24B) is excited by the ultraviolet rays generated by the discharge in the discharge cell 11. Visible light is generated and video is displayed.
- the discharge cells 11 arranged in a matrix form an image display region, and the various electrodes described above are formed on the front substrate 10 and the rear substrate 20 facing the front substrate 10. An image is displayed by applying various drive voltages to these electrodes from an external drive circuit.
- FIGS. 6A to 6H are diagrams showing a manufacturing process of the back panel 2 of the PDP in the third embodiment of the present invention.
- the mold 131 is composed of a concave portion 130 and a convex portion 138, and the concave portion 130 is a concave side surface portion 13 6a inclined in a tapered shape approaching each other toward the bottom surface portion side. 136b and a recess bottom portion 137.
- the recess 130 has a shape obtained by inverting the shape of the partition wall 23, that is, an inverted trapezoidal shape.
- the two opposing side surfaces 136a, 136b that form the recess 130 correspond to the side surface of the barrier rib 23 of the adjacent discharge cell of the completed rear panel.
- the shape of the recess 130 is such that the partition wall 23 obtained by transferring the material filled in the recess 130 onto the back substrate 20 and baked has a trapezoidal cross section height of 120 m, an upper base of 35 mm, and a lower base of It is designed to be 50 m and pitch 220 m.
- the shape of the partition wall 23 is not limited to these design values, and the shape of the partition wall 23 may be a lattice shape or a stripe shape.
- the base of the mold 131 is made of a material such as plastic, metal, ceramic, or glass that is not particularly limited.
- a paste-like light emitting auxiliary material composition 132 and a light emitting auxiliary material are used.
- the light emitting auxiliary material composition 132 used here refers to a paste-like composition comprising a partition wall material and a light emitting auxiliary material as inorganic main components, and composed of a solvent, an organic additive, and the like.
- the partition wall material constituting the partition wall 23 is a material that is made of a metal oxide such as boron oxide, silicon oxide, bismuth oxide, lead oxide, or titanium oxide and that forms the partition wall 23 by melting by firing.
- the light emission auxiliary material refers to at least one of a phosphor material and a reflective material.
- a blue phosphor material or a white or blue reflective material is selected as a material for assisting light emission of the blue phosphor layer (hereinafter referred to as a blue light emission assisting material).
- a green light emission assisting material As a material for assisting the light emission of the green phosphor layer (hereinafter referred to as a green light emission assisting material), a green phosphor material or a white or green reflecting material is selected.
- a red light emission assisting material As a material for assisting the light emission of the red phosphor layer (hereinafter referred to as a red light emission assisting material), a red phosphor material or a white or red reflective material is selected.
- the light emission auxiliary material is exposed on the surface of the discharge cell 11 to assist the light emission from the phosphor portion 24B.
- the light emission auxiliary material will be specifically exemplified.
- fluorescence such as ZnS: Ag, BaMgAl 2 O 3: Eu, BaMgAl 2 O 3: Eu, or BaMgAl 2 O 3: Eu
- a body material or a reflective material such as titanium oxide, aluminum oxide, or Co—Al—Cr pigment is selected.
- ⁇ S Tb or ⁇ : Phosphor material such as Tb, or titanium oxide, aluminum oxide
- Red light emitting auxiliary materials include: Y O: Eu, Zn (PO): Mn, YVO: Eu, or (Y, Gd) B
- ⁇ Reflection of phosphor materials such as Eu, or titanium oxide or iron oxide pigments
- the partition wall material composition refers to a paste-like composition for forming the partition wall portion 23B composed of a partition wall material, a solvent, an organic additive, and the like.
- a dispenser tank 133 is filled with a paste-like blue light-emitting auxiliary material composition 132.
- a plurality of apertures 134 corresponding to the application location of the mold 131 of the back panel 2 are provided.
- the mold 131 of the back panel 2 corresponds to each discharge cell 11 and each partition wall 23B of the back panel 2 and has the concavities and convexities reversed. 130 is formed.
- the dispenser tank 133 has, on its bottom surface, open portions 134 formed at positions that can face both side surfaces (for example, both side surfaces 136a) of the convex portion 138. Air is supplied from the air supply port 135 to the dispenser tank 133. By supplying the air inside, the paste-like light emitting auxiliary material composition 132 stored in the dispenser tank 133 is discharged from each aperture 134 to the concave side surface 136a of each convex 138 by air pressure. It can be applied.
- the blue dispenser tank 133 is prepared, and the blue light emitting auxiliary material composition 132 is used by using the dispenser tank 133 containing the blue light emitting auxiliary material composition 132.
- FIG. 6B shows a portion of the partition material of the light emission auxiliary layer (light emission partition wall portion) 70 formed as a part of the partition wall 23 and a portion of the light emission auxiliary material of the light emission auxiliary layer (light emission partition wall portion) 70. Shows a step of simultaneously applying the blue light emitting auxiliary material composition 132 to the plurality of blue side surfaces 136a of the mold 131 so that is formed as a part of the phosphor layer 24.
- the side surface 136a to be coated is not particularly limited as long as it is a surface corresponding to the concave inclined side surface of the discharge cell 11 in which the blue phosphor is formed. It may be applied at one time, or only one of the recess side surfaces 136a may be applied. Further, if necessary, the convex portions 138 sandwiched between the two concave side surfaces 136a may be applied simultaneously or separately (as shown in FIG. 6B).
- the force S an example of using a dispenser as a coating method, and a screen printing method can be used.
- the partition wall portion 23B formed of the partition wall material composition 129 is formed as a part of the partition wall 23. Further, among the recesses 130 of the mold 131, a paste-like partition wall is formed in the central space of the recess 130 and the other recess 130 where the blue light emitting auxiliary material composition 132 is applied to one side surface 136 a of the recess. The step of filling material composition 129 is shown.
- the partition wall material composition 129 in the form of a paste contained in the container is discharged from each opening portion 128, and all the recesses 130 are filled with the partition wall material composition 129 simultaneously.
- the partition wall material composition 129 may be applied to the surface of the projection 138 in addition to filling the partition wall material composition 129 into the recess 130.
- the filling and coating method it is not necessary to specify the portion to be coated as in the process in FIG. 6B. Therefore, in addition to the dispenser method, nozzle method, or pattern printing method, the solid printing method or die coating method is used.
- FIG. 6D shows the step of bringing the back substrate 20 into contact with the partition wall material composition 129 of the mold 131.
- a molding die 131 filled with the blue light emitting auxiliary material composition 132 and the barrier rib material composition 129 is placed on the surface of the rear substrate 20, and the rear substrate 20 and the molding die 131 are pressurized together as necessary.
- the back substrate 20 and the partition wall material composition 129 of the mold 131 are bonded together.
- the back substrate 20 has the base dielectric layer 21 formed on the raw glass so as to cover the address electrodes 22 and the address electrodes 22, and the surface of the base dielectric layer 21 and the mold 131 are connected to each other. Touch.
- the rear substrate 20 and the mold 131 are aligned. That is, the back substrate 20 and the mold 131 are aligned so that the center of each address electrode 22 of the back substrate 20 is positioned at the center of each convex portion 138 of the mold 131.
- any force of the partition wall material composition 129 and the light emitting auxiliary material composition 132 applied or filled in the mold 131 comes into contact with the back substrate 20.
- FIG. 6E shows the step of curing the light-emitting auxiliary material composition 132 and the partition wall material composition 129! / .
- the contacted back substrate 20 and the mold 131 are heated and cured by a heating furnace or the like.
- the heat curing is preferably performed while pressing the back substrate 20 and the mold 131 in order to ensure adhesion between the light emitting auxiliary material composition 132 and the partition wall material composition 129 and the back substrate 20.
- the light emission auxiliary material composition 132 and the partition wall material composition 129 contract during the curing process, and the partition wall material composition 129 and the light emission auxiliary material material 1 32 adhered to the back substrate 20 are separated from the mold 131. It becomes easy to do.
- FIG. 6F shows a step of releasing the mold 131 from the light emitting auxiliary material composition 132 and the partition wall material composition 129.
- FIG. 6G shows the light emitting auxiliary material composition in which the mold 131 is released. Steps 132 and 129 for firing the barrier rib material composition 129 are shown.
- the back substrate 20 including the partition wall material composition 129 and the light emitting auxiliary material composition 132 after being released is fired by a baking furnace or the like, and the light emitting auxiliary material composition 132 and the solvent or organic in the barrier wall material composition 129 are baked.
- the light emitting auxiliary material composition 132 and the barrier rib material composition 129 are respectively solidified by burning off the paste-like composition such as the additive, and the blue light emitting auxiliary layer (light emitting barrier portion) 70 and the barrier rib portion are formed on the rear substrate 20. And 23B, respectively.
- the light emission auxiliary material composition 132 becomes a blue light emission auxiliary layer (light emission barrier wall portion) 70 that functions as a part of the phosphor layer 24 and a part of the barrier rib 23, and the barrier rib material composition 129
- the partition wall 23B functions as a part of 23.
- the blue light emission auxiliary layer 70 corresponds to the light emitting partition 66 of the first and second embodiments, and functions as a light emitting partition 70 different from the light emitting partition 66.
- the light-emitting partition wall portion 70 of the third embodiment may include a reflective material instead of the phosphor material (in other words, a configuration including a phosphor material and a partition material, or a reflective material and a partition material).
- this is different from the light emitting partition 66 of the first and second embodiments. Therefore, more precisely, the light emission auxiliary layer (light emission partition wall portion) 70 is referred to as the light emission auxiliary partition wall portion by the force S.
- FIG. 6H shows that the phosphor portion 24B formed of the phosphor material is a part of the phosphor layer 24.
- a paste-like blue phosphor material is inserted into the discharge sensor 11 corresponding to the partition wall portion 23B having the blue light emitting auxiliary layer 70 formed on the wall surface, and the other discharge cells 11 have the same.
- the finished back panel 2 is shown by forming a phosphor portion 24B by inserting paste-like green and red phosphor materials, respectively.
- the phosphor portion 24B functions as a part of the phosphor layer 24.
- the blue light emission auxiliary layer 70 emits light by ultraviolet rays generated by lighting of the blue discharge cells, and thus the emission intensity of the blue phosphor portion 24B. Can be supplemented with the light emission of the blue light emission auxiliary layer 70 to improve the light emission intensity.
- the emission intensity of the blue phosphor portion 24B is complemented by the reflection of the blue light emission auxiliary layer 70, The emission intensity can be improved.
- the force S shown in the example of forming the blue light emission auxiliary layer 70 on the surface of the partition wall portion 23B of one kind of color, and development to the partition wall portion 23B of discharge cells of other colors is also possible.
- the pair of adjacent concave side surfaces 136b and the pair of concave side surfaces 136c facing each other are formed (see FIG. 6A).
- Each of the light emitting auxiliary material compositions may be applied in a different color.
- the light emission auxiliary material composition when the light emission auxiliary material composition is applied to the convex portion 138, it is possible to impart light emission auxiliary characteristics to the bottom of the discharge cell 11 only by the side surface of the partition wall 23B. It is also possible to change the content of the light emitting auxiliary material applied to the concave side surface portions 136a and 136b and the convex portion 138. In other words, the light emitting auxiliary material containing a large amount of reflective material can be applied to the concave side surfaces 136a and 136b, and the light emitting auxiliary material containing a large amount of phosphor material can be applied to the convex part 138.
- the step of applying the light emitting auxiliary material composition by applying an oil repellent material such as zirconia to the bottom surface portion 137 of the recess to make the bottom surface oil repellent. It is possible to prevent the light emitting auxiliary material composition coated with the concave side surface portions 136a and 136b from being applied to the concave bottom surface portion 137. Therefore, the force S prevents the color mixture due to the light emission auxiliary material composition wrapping around the top of the completed partition wall 23B or the adjacent discharge cell 11.
- the affinity between the concave side surfaces 136a and 136b and the light emitting auxiliary material composition is increased.
- the light emission auxiliary material composition can be applied at a high speed.
- FIGS. 7A to 7G show the manufacture of the back panel 2 of the PDP according to the fourth embodiment of the present invention. It is a figure which shows a process.
- the fourth embodiment of the present invention is different from the third embodiment in that before applying the light emitting auxiliary material composition 132 in FIG. 6B described in the third embodiment, FIG. 7A and FIG.
- the core member 71 of the partition wall portion 23C corresponding to the partition wall portion 23B is formed and filled in the recess 130 of the mold 131. That is, the partition wall portion 23C of the back panel 2 of the PDP in the fourth embodiment has the core member 71 disposed at the center, and the partition wall material composition 129 is baked on the side surface to form the partition auxiliary portion 72.
- the partition wall 23 is composed of the core member 71 and the partition wall auxiliary portion 72 and is formed by mixing the partition wall material and the phosphor material.
- the light emission auxiliary layer (light emission partition wall portion) 70 formed on the side surface of the partition wall portion 23C and the partition wall material portion.
- the phosphor layer 24 covers the phosphor material portion of the light emission auxiliary layer (light emission partition wall portion) 70 and the light emission auxiliary layer (light emission partition wall portion) 70.
- the phosphor portion 24C is made of only a phosphor material.
- the boundary line is not necessarily a straight line or curved line.
- the shape is arbitrary, such as a zigzag shape, but in order to understand the fourth embodiment, it is simplified and linearly illustrated as appropriate. That is, a light emission auxiliary layer (light emission barrier wall portion) 70 is intentionally formed on the partition wall portion 23C so as to cover the barrier wall portion 23C, and there is a boundary between the light emission auxiliary layer (light emission barrier wall portion) 70 and the barrier wall portion 23C. There is.
- the light emitting auxiliary layer (light emitting partition wall portion) 70 and the phosphor portion 24C.
- the barrier rib material melts, but the phosphor material remains in powder form, so if you observe the cross section, you can see the boundaries of each.
- the partition wall 23C functions as a partition wall body portion
- the light emission auxiliary layer (light emission partition wall portion) 70 functions as a partition wall auxiliary portion.
- the phosphor portion 24C functions as a phosphor layer body portion
- the light emission auxiliary layer (light emission partition wall portion) 70 functions as a phosphor layer auxiliary portion. Therefore, the light emission auxiliary layer (light emission barrier part) 70 has both a function as a barrier rib auxiliary part and a function as a phosphor layer auxiliary part!
- FIG. 7A shows the step of filling the recess 130 of the mold 131 with the partition wall material composition 129. ing.
- the partition wall material composition 129 is filled in the die coater 140, and the partition wall material composition 129 is simultaneously filled in all the recesses 130 from the opening 140a of the die coater 140.
- the application method is not limited to the dip coating method, but a solid printing method, a dispenser method, a nozzle method, or a pattern printing method is selected. Further, the partition wall material composition 129 adhering to the convex portion 138 of the mold 131 is removed with a squeegee or the like as necessary.
- FIG. 7B shows the formation of a light emitting auxiliary material layer between the partition wall material composition 129 filled in the recess 130 and the recess side surfaces 136a and 136b.
- the gap forming step for forming the gap 172 is shown!
- the gap 172 is formed, for example, by curing the partition wall material composition 129 filled in the concave portion 130 by a method such as heating or light irradiation. As a result, the partition wall material composition 129 contracts, and the core member 71 is formed with a gap 172 between the contracted partition wall material composition 129 and the recess side surfaces 136a and 136b.
- FIG. 7C shows a paste-like blue light emission at the same time in the gap 172 generated between the plurality of concave side surfaces 136a for blue of the mold 131 and the core member 71.
- the step of applying the auxiliary material composition 132 is shown.
- alignment is performed so that the application location corresponding to each recess side surface 136a of the mold 131 and each aperture 134 of the dispenser tank 133 coincide. After that, air is supplied from the air supply port 135 into the dispenser tank 133.
- the paste-like blue light-emitting auxiliary material composition 132 is passed through each aperture 134. Discharged. As a result, the blue light emission assisting material composition 132 is simultaneously applied to the concave side surfaces 136a of the mold 131.
- the remaining gap 172 filled with the blue light emitting auxiliary material composition 132 in the recess 130 is pasted.
- the partition wall material composition 129 is filled. That is, in the same manner as in FIG. 6C in the third embodiment, paste-like partition wall material composition 129 is inserted into partition wall dispenser tank 139, and air is supplied from partition wall dispenser tank 139 through air supply port 127. Supply to the partition dispenser tank 139 with air pressure. The first partition wall material composition 129 is discharged from each of the apertures 128, and all the recesses 130 are filled with the partition wall material composition 129 simultaneously.
- the back substrate 20 and the partition wall material composition 129 of the mold 131 are brought into contact with each other, and the partition wall material composition of the back substrate 20 and the mold 113 A step of adhering the material 129 (not shown, as in FIG. 6D), a step of curing the light emitting auxiliary material composition 132 and the partition wall material composition 129 (not shown, as in FIG. 6E), a mold 131, , A step of releasing the light emitting auxiliary material composition 132 and the barrier rib material composition 129 (FIG. 7E, similar to FIG.
- the back panel 2 having the blue light emission auxiliary layer 70 below the blue phosphor layer in the phosphor portion 24C can be realized.
- the back panel 2 formed in this way is basically a core member formed in advance in the force recess 130 capable of realizing a PDP having the same effect as in the third embodiment. 71, it is possible to reliably fill and apply the light emitting auxiliary material composition 132 only on the side surface of the predetermined recess 130.
- FIGS. 8A to 81 are diagrams showing a manufacturing process of the PDP back panel 2 according to the fifth embodiment of the present invention.
- the fifth embodiment of the present invention differs from the third embodiment in that a composite mold 152 is used in place of the mold 131 described in the third embodiment. It is a point.
- the composite mold 152 is a combination of a first mold 150 for molding the side wall of the partition wall and a second mold 151 having an end 153 for molding the bottom surface of the partition wall. It is composed.
- the thin plate-shaped second molding die 151 whose lower end portion is integrally fixed to the connecting member 151a is fitted into the through groove 150a of the first molding die 150. Then, the end 153 of the second molding die 151 forms the bottom surface of the recess 130 in which the partition wall shape is inverted. Further, as shown in FIG. 8B, by raising the connecting member 151a of the second mold 151 so as to approach the first mold 150, the end 153 of the second mold 151 is moved to the first mold 150.
- the structure is such that the position of the bottom surface of the partition wall can be formed with high accuracy by being positioned above the position of the bottom surface of the recess 130 in the recess 130 of 150.
- FIG. 8C is simultaneously applied to the plurality of blue concave side surfaces 136a of the composite mold 152 in the state of FIG. 8B.
- the step of applying the blue light-emitting auxiliary material composition 132 is shown. After aligning the application location corresponding to each concave side surface portion 136a of the first mold 150 with each aperture 134 of the dispenser tank 133, air is supplied from the air supply port 135 to the dispenser.
- the blue light emitting auxiliary material composition 132 is opened by supplying the liquid into the tank 133 and moving the dispenser tank 133 with a moving device such as an XY stage along the groove of the concave portion 130 of the first mold 150.
- the blue light emitting auxiliary material composition 132 is simultaneously applied to the concave side surfaces 136a of the first mold 150. Since the application method is the same as the method described in FIG. 6B of the fifth embodiment, a detailed description is omitted.
- FIG. 8D shows a state where the blue phosphor auxiliary material composition 132 is applied to the side surface portion 136a.
- FIG. 8E shows that the end portion 153 of the second mold 151 of the composite mold 152 becomes the bottom surface of the recess 130. That is, as shown in FIG. 8A, the connecting member 151a of the second molding die 151 is lowered so as to be separated from the first molding die 150, thereby lowering the end 153 of the second molding die 151.
- FIG. 8F shows that the blue light-emitting auxiliary material composition 132 is placed on one of the side surfaces 136a of the recess 130 of the composite mold 152.
- the figure shows a step of filling a paste-like partition wall material composition 129 into the central gap of the applied recess 130 and the gap of the other recess 130. Since the filling method is the same as the method described in FIG. 6C of the fifth embodiment, a detailed description thereof is omitted.
- the back substrate 20 and the partition wall material composition 129 of the first molding die 150 are brought into contact with each other, and the back substrate 20 and the first molding die 1 50 are brought into contact with each other.
- a step of adhering the barrier rib material composition 129 (not shown, as in FIG. 6D), a step of curing the light-emitting auxiliary material composition 132 and the barrier rib material composition 129 (not shown, as in FIG. 6E), Step of releasing composite molding die 152 from light emitting auxiliary material composition 132 and barrier rib material composition 129 (FIG. 8G, similar to FIG.
- a paste-like blue phosphor material is inserted into the discharge cell 11 corresponding to the partition wall portion 23D having the blue light emitting auxiliary layer 70 formed on the wall surface, and other discharge cells. 11 are pasty green and red phosphor materials, respectively.
- the step of contacting the back substrate 20 and the composite mold 152 is the same as the steps of FIGS. 6D to 6H of the third embodiment, and a description thereof will be omitted.
- the rear panel 2 formed in this manner is surely secured by the second mold 151 that is capable of realizing a PDP having an effect similar to that of the third embodiment. It is possible to fill and apply the light emitting auxiliary material composition 132 only on the side surface of the predetermined recess 130 (in other words, while accurately controlling the position of the bottom surface of the partition wall).
- an oil repellent material such as zirconia is applied to the surface of the end 153 of the second mold 151 that forms the recess 130, and the end of the second mold 151 1
- the light emitting auxiliary material composition 132 having the concave side surface 136a attached thereto is the end of the second mold 151.
- Application to the surface of 153 can be prevented.
- the light-emitting auxiliary material 66 in which the barrier ribs 23A to 23D are made of only the barrier rib material, and the light-emitting auxiliary material and the barrier rib material are mixed. 70, it is possible to increase the partition strength even when the partition wall size is fine because the partition wall strength is not particularly lowered.
- the effective phosphor thickness can be increased while maintaining the partition wall strength.
- a method for manufacturing a PDP that improves the luminance of the phosphor layer without reducing the discharge space while maintaining the partition wall strength is realized, and a large-sized, high-definition image display device, etc. Useful for.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800012083A CN101356617B (zh) | 2006-10-31 | 2007-10-29 | 等离子显示屏及其制造方法 |
JP2008518532A JP4759615B2 (ja) | 2006-10-31 | 2007-10-29 | プラズマディスプレイパネル及びその製造方法 |
US12/093,294 US7994719B2 (en) | 2006-10-31 | 2007-10-29 | Plasma display panel with improved luminance |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006295140 | 2006-10-31 | ||
JP2006-295140 | 2006-10-31 | ||
JP2007-005600 | 2007-01-15 | ||
JP2007005600 | 2007-01-15 |
Publications (1)
Publication Number | Publication Date |
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WO2008053832A1 true WO2008053832A1 (fr) | 2008-05-08 |
Family
ID=39344173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/071018 WO2008053832A1 (fr) | 2006-10-31 | 2007-10-29 | Écran à plasma et son procédé de fabrication |
Country Status (4)
Country | Link |
---|---|
US (1) | US7994719B2 (ja) |
JP (1) | JP4759615B2 (ja) |
CN (1) | CN101356617B (ja) |
WO (1) | WO2008053832A1 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02297837A (ja) * | 1989-02-10 | 1990-12-10 | Dainippon Printing Co Ltd | プラズマディスプレイパネルおよびその製造方法 |
JPH0447639A (ja) * | 1990-06-13 | 1992-02-17 | Nec Corp | カラー放電表示パネルおよびその製造方法 |
JPH08162019A (ja) * | 1994-12-09 | 1996-06-21 | Toray Ind Inc | プラズマディスプレイの製造方法 |
JPH11131059A (ja) * | 1997-10-30 | 1999-05-18 | Hitachi Ltd | 蛍光体層およびそれを用いた表示装置 |
JPH11213887A (ja) * | 1998-01-21 | 1999-08-06 | Kyocera Corp | プラズマディスプレイパネル及びその製造方法 |
JP2000149798A (ja) * | 1998-11-05 | 2000-05-30 | Toppan Printing Co Ltd | 反射型カラープラズマディスプレイの背面板 |
JP2000243273A (ja) * | 1998-02-10 | 2000-09-08 | Hitachi Chem Co Ltd | プラズマディスプレイパネル用背面板の製造法 |
JP2002042668A (ja) * | 2000-07-19 | 2002-02-08 | Kyocera Corp | プラズマ表示装置用基板とその製造方法及びこれを用いたプラズマ表示装置 |
JP2003031135A (ja) * | 2001-07-18 | 2003-01-31 | Toppan Printing Co Ltd | 反射型カラープラズマディスプレイの背面板およびその製造方法 |
JP2007250546A (ja) * | 2006-03-14 | 2007-09-27 | Lg Electronics Inc | プラズマディスプレイパネル及びその製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5352478A (en) * | 1982-02-10 | 1994-10-04 | Dai Nippon Insatsu Kabushiki Kaisha | Plasma display panel and method of manufacturing same |
EP0382260B1 (en) * | 1989-02-10 | 1995-05-03 | Dai Nippon Insatsu Kabushiki Kaisha | Plasma display panel and method of manufacturing same |
JPH08138559A (ja) | 1994-11-11 | 1996-05-31 | Hitachi Ltd | プラズマディスプレイ装置 |
DE69726771T2 (de) * | 1996-09-18 | 2004-12-02 | Matsushita Electric Industrial Co., Ltd., Kadoma | Herstellungsverfahren einer Plasmaanzeigetafel geeignet für winzige Zellstrukturen, Plasmaanzeigetafel, und Vorrichtung zum Anzeigen der Plasmaanzeigetafel |
JP3042432B2 (ja) | 1996-12-20 | 2000-05-15 | 日本電気株式会社 | カラープラズマディスプレイパネル |
JPH11191368A (ja) | 1997-12-25 | 1999-07-13 | Nippon Synthetic Chem Ind Co Ltd:The | 多色蛍光面の製造法 |
JP3600721B2 (ja) | 1998-01-30 | 2004-12-15 | 京セラ株式会社 | プラズマディスプレイパネルの製造方法 |
JP2000173456A (ja) | 1998-12-07 | 2000-06-23 | Toray Ind Inc | ディスプレイ用基板の製造方法 |
JP2001118521A (ja) * | 1999-10-21 | 2001-04-27 | Jamco Corp | プラズマディスプレー装置、および表示モジュールの製造方法 |
-
2007
- 2007-10-29 JP JP2008518532A patent/JP4759615B2/ja not_active Expired - Fee Related
- 2007-10-29 CN CN2007800012083A patent/CN101356617B/zh not_active Expired - Fee Related
- 2007-10-29 US US12/093,294 patent/US7994719B2/en not_active Expired - Fee Related
- 2007-10-29 WO PCT/JP2007/071018 patent/WO2008053832A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02297837A (ja) * | 1989-02-10 | 1990-12-10 | Dainippon Printing Co Ltd | プラズマディスプレイパネルおよびその製造方法 |
JPH0447639A (ja) * | 1990-06-13 | 1992-02-17 | Nec Corp | カラー放電表示パネルおよびその製造方法 |
JPH08162019A (ja) * | 1994-12-09 | 1996-06-21 | Toray Ind Inc | プラズマディスプレイの製造方法 |
JPH11131059A (ja) * | 1997-10-30 | 1999-05-18 | Hitachi Ltd | 蛍光体層およびそれを用いた表示装置 |
JPH11213887A (ja) * | 1998-01-21 | 1999-08-06 | Kyocera Corp | プラズマディスプレイパネル及びその製造方法 |
JP2000243273A (ja) * | 1998-02-10 | 2000-09-08 | Hitachi Chem Co Ltd | プラズマディスプレイパネル用背面板の製造法 |
JP2000149798A (ja) * | 1998-11-05 | 2000-05-30 | Toppan Printing Co Ltd | 反射型カラープラズマディスプレイの背面板 |
JP2002042668A (ja) * | 2000-07-19 | 2002-02-08 | Kyocera Corp | プラズマ表示装置用基板とその製造方法及びこれを用いたプラズマ表示装置 |
JP2003031135A (ja) * | 2001-07-18 | 2003-01-31 | Toppan Printing Co Ltd | 反射型カラープラズマディスプレイの背面板およびその製造方法 |
JP2007250546A (ja) * | 2006-03-14 | 2007-09-27 | Lg Electronics Inc | プラズマディスプレイパネル及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008053832A1 (ja) | 2010-02-25 |
CN101356617A (zh) | 2009-01-28 |
US7994719B2 (en) | 2011-08-09 |
JP4759615B2 (ja) | 2011-08-31 |
US20090267511A1 (en) | 2009-10-29 |
CN101356617B (zh) | 2010-06-09 |
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