Abstract: PDP includes front plate and rear plate. Front plate has protective layer. Rear plate has phosphor layers. Protective layer includes a first metal oxide and a second metal oxide. In X-ray diffraction analysis, a peak of a base layer lies between a first peak of the first metal oxide and a second peak of the second metal oxide. The first and second metal oxides are two selected from the group consisting of MgO, CaO, SrO, and BaO. An arithmetic average roughness “Ra” of the surface of a dielectric layer is not more than 50 nm.

Abstract: A plasma display has a protective layer (9) including a base layer (91) over which aggregate particles (92) each including an aggregate of a plurality of magnesium oxide crystal particles (92a) and metal oxide particles (93) are scattered. The metal oxide particles (93) contain at least two metal oxides selected from the group consisting of magnesium oxide, calcium oxide, strontium oxide, and barium oxide. X-ray diffraction analysis of the metal oxide particles (93) shows a diffraction peak of a specific crystal plane between a diffraction peak of the specific crystal plane of one of the two metal oxides and a diffraction peak of the specific crystal plane of another one of the two metal oxides.

Abstract: A plasma display has a protective layer (9) including a base layer (91) over which aggregate particles (92) each including an aggregate of a plurality of magnesium oxide crystal particles (92a) and metal oxide particles (93) are scattered. The metal oxide particles (93) contain at least two metal oxides selected from the group consisting of magnesium oxide, calcium oxide, strontium oxide, and barium oxide. X-ray diffraction analysis of the metal oxide particles (93) shows a diffraction peak of a specific crystal plane between a diffraction peak of the specific crystal plane of one of the two metal oxides and a diffraction peak of the specific crystal plane of another one of the two metal oxides.

Abstract: A method for producing a plasma display panel having a base layer including metallic oxides and agglomerated particles dispersed on the base layer includes the following steps of: forming the base layer on the dielectric layer; spreading an organic solvent in which the agglomerated particles are dispersed on the base layer to form a coating layer thereon; drying the coating layer under a reduced pressure to form an organic solvent coating film on at least the base layer; disposing the rear plate and the front plate on which the coating film is formed so as to face each other; heating the front plate and the rear plate facing each other to evaporate the coating film, dispersing the agglomerated particles on the base layer, and removing components of the evaporated coating film from the discharge space; and sealing the rear plate and the front plate from which the coating film is evaporated to each other.

Abstract: A method for producing a plasma display panel having a base layer including metallic oxides and agglomerated particles dispersed on the base layer includes the following steps of: forming the base layer on the dielectric layer; spreading an organic solvent in which the agglomerated particles are dispersed on the base layer to form a coating layer thereon; drying the coating layer under a reduced pressure to form an organic solvent coating film on at least the base layer; disposing the rear plate and the front plate on which the coating film is formed so as to face each other; heating the front plate and the rear plate facing each other to evaporate the coating film, dispersing the agglomerated particles on the base layer, and removing components of the evaporated coating film from the discharge space; and sealing the rear plate and the front plate from which the coating film is evaporated to each other.

Abstract: The present invention improves discharge characteristics of a protective layer in order to provide a PDP that exhibits excellent display performance even if the PDP is of a fine-cell structure. The present invention also provides a manufacturing method for the PDP. In particular, a protective layer 8 is composed of an MgO film layer 81 and an MgO particle layer 82 that is made of MgO particles 16. The MgO particles 16 are formed by burning an MgO precursor and satisfy that a/b?1.2, where a denotes a spectrum integral value in a wavelength region of a CL spectrum from 650 nm to 900 nm, exclusive of 900 nm, and b denotes a spectrum integral value in a wavelength region of the CL spectrum from 300 nm to 550 nm, exclusive of 550 nm.

Abstract: “Discharge delay” and “dependence of discharge delay on temperatures” are solved by improving a protective layer, thus a PDP can be driven at a low voltage. Furthermore, the PDP can display excellent images by suppressing “dependence of discharge delay on space charges.” Liquid-phase magnesium alkoxide (Mg(OR)2) or acetylacetone magnesium ate whose purity is 99.95% or more is prepared, and is hydrolyzed by adding a small amount of acids to the solution. Thus, a gel of magnesium hydroxide that is a magnesium oxide precursor is formed. Burning the gel in atmosphere at 700° C. or more produces powder containing MgO particles 16a-16d having the NaCl crystal structure with (100) and (111) crystal faces or with (100), (110) and (111) crystal faces. By pasting the powder on a dielectric layer 7 or a surface layer 8, the MgO powder 16 is formed so as to serve as the protective layer.

Abstract: A plasma display panel includes a front plate, a rear plate, and a bonding layer to bond the front plate to the rear plate. The front plate has a protective layer. The rear plate has a barrier rib. The protective layer includes a base layer. Aggregated particles are dispersed all over the base layer. The base layer contains a first metal oxide and a second metal oxide. Through an X-ray diffraction analysis, a peak of the base layer exists between a first peak of the first metal oxide, and a second peak of the second metal oxide. The first metal oxide and the second metal oxide are two kinds of oxides selected from a group consisting of MgO, CaO, SrO, and BaO. The rear plate has a barrier rib. The bonding layer bonds at least one part of the barrier rib to the protective layer.

Abstract: A method for producing a plasma display panel including a base layer containing a metal oxide, and aggregated particles dispersed on the base layer includes the following process. A protective layer is formed on a dielectric layer. Then, a surface of the protective layer is sputtered. In addition, concentration ratios of a first metal oxide and a second metal oxide in the surface of the protective layer are changed by re-depositing a component of the sputtered protective layer.

Abstract: A method for producing a plasma display panel including a base layer containing a metal oxide, and aggregated particles dispersed on the base layer includes the following process. The front plate having a protective layer is fired in an atmosphere containing at least one selected from a group consisting of a nitrogen gas, a mixture gas of nitrogen and oxygen, and a rare gas, and a water molecule. Then, a film of a water molecule or hydroxide is formed on a surface of the protective layer at a lowered temperature in the above atmosphere. Then, the front plate having the film, and the rear plate are oppositely arranged. Then, the film is removed from the protective layer, and the water molecule is exhausted from the discharge space by heating the oppositely arranged front plate and rear plate. Then, the front plate having no film and the rear plate are sealed.

Abstract: A PDP has a front plate and a rear plate. The front plate includes a protective layer, and the rear plate includes phosphor layers. The protective layer includes a base layer. Agglomerated particles are dispersed on the base layer. The base layer includes a first metallic oxide and a second metallic oxide. The base layer has a peak through an X-ray diffraction analysis between a first peak of the first metallic oxide and a second peak of the second metallic oxide. The first metallic oxide and the second metallic oxide are two selected from a group consisting of MgO, CaO, SrO, and BaO. The phosphor layers include particles of a platinum group element.

Abstract: A method for producing a plasma display panel having a base layer including metallic oxides and agglomerated particles dispersed on the base layer includes the following steps of: forming the base layer on the dielectric layer; spreading a first organic solvent on the base layer to form a first coating layer; spreading a second organic solvent in which the agglomerated particles are dispersed on the first coating layer to form a second coating layer; and heating the first and second coating layers to evaporate the first and second organic solvents and further to disperse the agglomerated particles on the base layer.

Abstract: “Discharge delay” and “dependence of discharge delay on temperatures” are solved by improving a protective layer, thus a PDP can be driven at a low voltage. Furthermore, the PDP can display excellent images by suppressing “dependence of discharge delay on space charges.” Liquid-phase magnesium alkoxide (Mg(OR)2) or acetylacetone magnesium ate whose purity is 99.95% or more is prepared, and is hydrolyzed by adding a small amount of acids to the solution. Thus, a gel of magnesium hydroxide that is a magnesium oxide precursor is formed. Burning the gel in atmosphere at 700° C. or more produces powder containing MgO particles 16a-16d having the NaCl crystal structure with (100) and (111) crystal faces or with (100), (110) and (111) crystal faces. By pasting the powder on a dielectric layer 7 or a surface layer 8, the MgO powder 16 is formed so as to serve as the protective layer.

Abstract: A PDP can be driven at low voltage while having a charge retention property in a protection layer, and has favorable image display properties. Additionally, the PDP prevents the occurrence of discharge delay and realizes high-quality image display by performing favorable high-speed driving in a high definition PDP. To achieve this, a surface layer (8) is formed to a film thickness of 1 ?m in an oxygen atmosphere having an oxygen partial pressure of 0.025 Pa or more, the surface layer (8) is provided on a face of a dielectric layer (7) on a discharge space side. Furthermore, MgO particles (16) are dispersed on a surface of the surface layer (8). The surface layer (8) has the effects of protecting the dielectric layer (7) from ion bombardment during discharge, reducing the firing voltage, and preventing excessive electron loss. Also, the MgO particles (16) have a high initial electron emission property.

Abstract: The present invention improves discharge characteristics of a protective layer in order to provide a PDP that exhibits excellent display performance even if the PDP is of a fine-cell structure. The present invention also provides a manufacturing method for the PDP. In particular, a protective layer 8 is composed of an MgO film layer 81 and an MgO particle layer 82 that is made of MgO particles 16. The MgO particles 16 are formed by burning an MgO precursor and satisfy that a/b?1, where a denotes a spectrum integral value in a wavelength region of a CL spectrum from 200 nm to 300 nm, exclusive of 300 nm, and b denotes a spectrum integral value in a wavelength region of the CL spectrum from 300 nm to 550 nm, exclusive of 550 nm.

Abstract: A plasma display panel (PDP) featuring the display performance of high definition display and a high brightness, and yet, a lower power consumption is disclosed. A front panel of this PDP includes display electrodes formed on a front glass substrate, a dielectric layer covering the display electrodes, and a protective layer formed on the dielectric layer. A rear panel of this PDP includes address electrodes formed along a direction intersecting with the display electrodes, and barrier ribs. The front panel and the rear panel confront each other to form a discharge space which is filled with discharge gas and is portioned by the barrier ribs. The protective layer is formed of a metal oxide made of MgO and CaO. X-ray diffraction analysis on the surface of the protective layer finds that the metal oxide has a peak between a diffraction angle where a peak of MgO occurs and a diffraction angle where a peak of CaO occurs along an identical orientation of the MgO peak.

Abstract: A plasma display panel has high definition, high luminance, and low power consumption. In the plasma display panel, the front panel is provided thereon with display electrodes, a dielectric layer, and a protective layer. The display electrodes are formed on the front glass substrate. The dielectric layer coats the display electrodes, and the protective layer is formed on the dielectric layer. The rear panel is provided thereon with address electrodes and barrier ribs for partitioning the discharge space in the direction crossing to the display electrodes. The front and rear panels are opposed to each other with a discharge space therebetween filled with a discharge gas. The protective layer on the dielectric layer includes an underlying film, and aggregated particles adhered on the underlying film, the aggregated particles being formed by aggregating crystal grains of magnesium oxide.

Abstract: A plasma display panel demonstrating excellent image display performance by suppressing generation of initialization bright points through modification of the phosphor layer, and by eliminating variation in discharge characteristics between the discharge cells of each color. In addition to solving these problems, the luminance of the plasma display panel is also enhanced by using the ultraviolet rays emitted in the discharge space in order to promote the production of visible light on the front panel side. Specifically, the phosphor layer (14) is composed of a phosphor component and of MgO powder (16) disposed principally inside the phosphor layer and exposed towards the surface (140) facing the discharge space in order to impart secondary electron emission characteristics.

Abstract: A plasma display device has a crystal particle made of MgO single crystal where the cathode luminescence emission spectrum exhibits a desired characteristic, and displays an image by a driving method in the initializing period. The initializing period has the first half for applying the voltage, which gradually increases from a first voltage and to a second voltage, to a second electrode, and the latter half for applying the voltage, which gradually decreases from a third voltage and to a fourth voltage.

Abstract: Protective layer of a plasma display panel has base protective layer and particle layer. Base protective layer is formed of a thin film of metal oxide containing at least one of magnesium oxide, strontium oxide, calcium oxide, and barium oxide. Particle layer is formed by sticking, to base protective layer, single crystal particles of magnesium oxide where the peak at 200 to 300 nm is two or more times that at 300 to 550 nm in a cathode luminescence emission spectrum. The panel driving circuit causes initializing discharge for producing wall charge in the first subfield, of a plurality of subfields, causes address discharge for erasing wall charge in address periods of the plurality of subfields, and drives the panel.