WO2011089679A1 - プラズマディスプレイパネルおよびプラズマディスプレイ装置 - Google Patents
プラズマディスプレイパネルおよびプラズマディスプレイ装置 Download PDFInfo
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- WO2011089679A1 WO2011089679A1 PCT/JP2010/007541 JP2010007541W WO2011089679A1 WO 2011089679 A1 WO2011089679 A1 WO 2011089679A1 JP 2010007541 W JP2010007541 W JP 2010007541W WO 2011089679 A1 WO2011089679 A1 WO 2011089679A1
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/293—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for address discharge
-
- 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
- H01J11/40—Layers for protecting or enhancing the electron emission, e.g. MgO layers
Definitions
- the technology disclosed herein relates to a plasma display panel and a plasma display apparatus used for display devices and the like.
- a plasma display panel (hereinafter referred to as PDP) is composed of a front plate and a back plate.
- the front plate includes a glass substrate, a display electrode formed on one main surface of the glass substrate, a dielectric layer that covers the display electrode and functions as a capacitor, and magnesium oxide formed on the dielectric layer It is comprised with the protective layer which consists of (MgO).
- the back plate includes a glass substrate, an address electrode formed on one main surface of the glass substrate, a base dielectric layer covering the address electrode, a partition formed on the base dielectric layer, and each partition It is comprised with the fluorescent substance layer which light-emits each in red, green, and blue formed in between.
- the front plate and the back plate are hermetically sealed with the electrode forming surface facing each other.
- Neon (Ne) and xenon (Xe) discharge gases are sealed in the discharge space partitioned by the partition walls.
- the discharge gas is discharged by the video signal voltage selectively applied to the display electrodes.
- the ultraviolet rays generated by the discharge excite each color phosphor layer.
- the excited phosphor layer emits red, green, and blue light.
- the PDP realizes color image display in this way (see Patent Document 1).
- the protective layer has four main functions. The first is to protect the dielectric layer from ion bombardment due to discharge. The second is to release initial electrons for generating an address discharge. The third is to hold a charge for generating a discharge. Fourth, secondary electrons are emitted during the sustain discharge. By protecting the dielectric layer from ion bombardment, an increase in discharge voltage is suppressed. By increasing the number of initial electron emissions, address discharge errors that cause image flickering are reduced. The applied voltage is reduced by improving the charge retention performance. As the number of secondary electron emission increases, the sustain discharge voltage is reduced. In order to increase the initial electron emission number, for example, an attempt has been made to add silicon (Si) or aluminum (Al) to MgO of the protective layer.
- the attenuation rate at which the charge accumulated in the protective layer decreases with time increases. Therefore, it is necessary to take measures such as increasing the applied voltage to compensate for the attenuated charge.
- the protective layer is required to have two contradictory characteristics such as high initial electron emission performance and low charge decay rate, that is, high charge retention performance.
- the PDP includes a front plate and a back plate disposed to face the front plate.
- the front plate includes a display electrode, a dielectric layer that covers the display electrode, and a protective layer that covers the dielectric layer.
- the protective layer includes a base layer formed on the dielectric layer, a plurality of first particles distributed over the entire surface of the base layer film, and a plurality of first particles distributed over the entire surface of the base layer. 2 particles.
- the first particles are aggregated particles in which a plurality of crystal particles made of magnesium oxide are aggregated, and have a cathodoluminescence peak in a wavelength region of 200 nm or more and 300 nm or less when irradiated with an electron beam.
- the second particle is a crystal particle made of magnesium oxide, and has a cathodoluminescence peak in a wavelength region of 400 nm to 450 nm and a cathodoluminescence peak in a wavelength region of 200 nm to 300 nm by electron beam irradiation. Absent.
- FIG. 1 is a perspective view showing the structure of a PDP.
- FIG. 2 is an electrode array diagram of the PDP.
- FIG. 3 is a block circuit diagram of the plasma display apparatus.
- FIG. 4 is a driving voltage waveform diagram of the plasma display apparatus.
- FIG. 5 is a cross-sectional view showing the configuration of the front plate of the PDP according to the embodiment.
- FIG. 6 is an explanatory diagram showing an enlargement of the protective layer portion of the PDP.
- FIG. 7 is a schematic view showing a particle structure on the surface of the protective layer.
- FIG. 8 is an enlarged view for explaining the aggregated particles.
- FIG. 9 is a characteristic diagram showing the results of cathodoluminescence measurement of crystal particles.
- FIG. 9 is a characteristic diagram showing the results of cathodoluminescence measurement of crystal particles.
- FIG. 10 is a characteristic diagram showing the examination results of the electron emission performance and the Vscn lighting voltage in the PDP.
- FIG. 11 is a graph showing the relationship between the Si concentration in the PDP underlayer and the Vscn lighting voltage in a 70 ° C. environment as a charge retention characteristic.
- FIG. 12 is a characteristic diagram showing the relationship between the lighting time of the PDP and the electron emission performance.
- FIG. 13 is an enlarged view for explaining the coverage.
- FIG. 14 is a characteristic diagram showing comparison of sustain discharge voltages.
- FIG. 15 is a characteristic diagram showing the relationship between the average particle size of the aggregated particles and the electron emission performance.
- FIG. 16 is a characteristic diagram showing the relationship between the grain size of crystal grains and the incidence of breakage of partition walls.
- FIG. 17 is a process diagram showing a protective layer forming process according to the embodiment.
- FIG. 18 is a characteristic diagram showing the relationship between the pulse width of the pulse voltage applied to the data electrode and the address discharge failure probability.
- the basic structure of the PDP is a general AC surface discharge type PDP.
- the PDP 1 has a front plate 2 made of a front glass substrate 3 and a back plate 10 made of a back glass substrate 11 facing each other.
- the front plate 2 and the back plate 10 are hermetically sealed with a sealing material whose outer peripheral portion is made of glass frit or the like.
- the discharge space 16 inside the sealed PDP 1 is filled with discharge gas such as neon (Ne) and xenon (Xe) at a pressure of 53 kPa (400 Torr) to 80 kPa (600 Torr).
- a pair of strip-shaped display electrodes 6 each consisting of a scanning electrode 4 and a sustain electrode 5 and a plurality of black stripes 7 are arranged in parallel to each other.
- a dielectric layer 8 that functions as a capacitor is formed on the front glass substrate 3 so as to cover the display electrodes 6 and the black stripes 7. Further, a protective layer 9 made of magnesium oxide (MgO) or the like is formed on the surface of the dielectric layer 8.
- Scan electrode 4 and sustain electrode 5 are each formed by laminating a bus electrode made of Ag on a transparent electrode made of a conductive metal oxide such as indium tin oxide (ITO), tin oxide (SnO 2 ), and zinc oxide (ZnO). Has been.
- ITO indium tin oxide
- SnO 2 tin oxide
- ZnO zinc oxide
- a plurality of data electrodes 12 made of a conductive material mainly composed of silver (Ag) are arranged in parallel to each other in a direction orthogonal to the display electrodes 6.
- the data electrode 12 is covered with a base dielectric layer 13. Further, a partition wall 14 having a predetermined height is formed on the underlying dielectric layer 13 between the data electrodes 12 to divide the discharge space 16.
- a phosphor layer 15 that emits red light by ultraviolet rays, a phosphor layer 15 that emits green light, and a phosphor layer 15 that emits blue light are sequentially applied and formed for each data electrode 12. Yes.
- a discharge cell is formed at a position where the display electrode 6 and the data electrode 12 intersect. Discharge cells having red, green, and blue phosphor layers 15 arranged in the direction of the display electrode 6 serve as pixels for color display.
- the discharge gas sealed in the discharge space 16 contains 10% by volume or more and 30% or less of Xe.
- the PDP 1 has n scan electrodes SC1, SC2, SC3... SCn (4 in FIG. 1) arranged extending in the row direction.
- the PDP 1 has n sustain electrodes SU1, SU2, SU3,... SUn (5 in FIG. 1) arranged to extend in the row direction.
- the PDP 1 has m data electrodes D1... Dm (12 in FIG. 1) arranged to extend in the column direction.
- a discharge cell is formed at a portion where a pair of scan electrode SC1 and sustain electrode SU1 intersects with one data electrode D1.
- M ⁇ n discharge cells are formed in the discharge space.
- the scan electrode and the sustain electrode are connected to a connection terminal provided at a peripheral end portion outside the image display area of the front plate.
- the data electrode is connected to a connection terminal provided at a peripheral end portion outside the image display area of the back plate.
- the plasma display apparatus 100 includes a PDP 1, an image signal processing circuit 21, a data electrode drive circuit 22, a scan electrode drive circuit 23, a sustain electrode drive circuit 24, a timing generation circuit 25, and a power supply circuit (not shown). ).
- the image signal processing circuit 21 converts the image signal sig into image data for each subfield.
- the data electrode drive circuit 22 converts the image data for each subfield into signals corresponding to the data electrodes D1 to Dm, and drives the data electrodes D1 to Dm.
- the timing generation circuit 25 generates various timing signals based on the horizontal synchronization signal H and the vertical synchronization signal V, and supplies them to each drive circuit block.
- Scan electrode drive circuit 23 supplies a drive voltage waveform to scan electrodes SC1 to SCn based on the timing signal.
- Sustain electrode drive circuit 24 supplies drive voltage waveforms to sustain electrodes SU1 to SUn based on the timing signal.
- plasma display device 100 includes one field including a plurality of subfields.
- the subfield has an initialization period, an address period, and a sustain period.
- the initialization period is a period in which the initialization discharge is generated in the discharge cell.
- the address period is a period for generating an address discharge for selecting a discharge cell to emit light after the initialization period.
- the sustain period is a period in which a sustain discharge is generated in the discharge cell selected in the address period.
- the data electrodes D1 to Dm and the sustain electrodes SU1 to SUn are held at 0 (V).
- a ramp voltage that gradually rises from voltage Vi1 (V) that is equal to or lower than the discharge start voltage to voltage Vi2 (V) that exceeds the discharge start voltage is applied to scan electrodes SC1 to SCn.
- the first weak setup discharge occurs in all the discharge cells. Due to the initialization discharge, a negative wall voltage is stored on scan electrodes SC1 to SCn. Positive wall voltages are stored on sustain electrodes SU1 to SUn and data electrodes D1 to Dm.
- the wall voltage is a voltage generated by wall charges accumulated on the protective layer 9 and the phosphor layer 15.
- sustain electrodes SU1 to SUn are maintained at positive voltage Ve1 (V), and a ramp voltage that gradually decreases from voltage Vi3 (V) to voltage Vi4 (V) is applied to scan electrodes SC1 to SCn. Then, the second weak setup discharge is generated in all the discharge cells.
- the wall voltage between scan electrodes SC1 to SCn and sustain electrodes SU1 to SUn is weakened.
- the wall voltage on the data electrodes D1 to Dm is adjusted to a value suitable for the write operation.
- scan electrodes SC1 to SCn are temporarily held at Vc (V). Sustain electrodes SU1 to SUn are held at Ve2 (V).
- negative scan pulse voltage Va V
- data electrode Dk (k 1) of the discharge cell to be displayed in the first row among data electrodes D1 to Dm.
- Vd V
- the voltage at the intersection of the data electrode Dk and the scan electrode SC1 is obtained by adding the wall voltage on the data electrode Dk and the wall voltage on the scan electrode SC1 to the externally applied voltage (Vd ⁇ Va) (V). And the discharge start voltage is exceeded.
- Address discharge occurs between data electrode Dk and scan electrode SC1, and between sustain electrode SU1 and scan electrode SC1.
- a positive wall voltage is accumulated on scan electrode SC1 of the discharge cell in which the address discharge has occurred.
- a negative wall voltage is accumulated on sustain electrode SU1 of the discharge cell in which the address discharge has occurred.
- a negative wall voltage is accumulated on the data electrode Dk of the discharge cell in which the address discharge has occurred.
- the voltage at the intersection between the data electrodes D1 to Dm to which the address pulse voltage Vd (V) is not applied and the scan electrode SC1 does not exceed the discharge start voltage. Accordingly, no address discharge occurs.
- the above address operation is sequentially performed until the discharge cell in the nth row.
- the address period ends when the address operation of the discharge cell in the n-th row ends.
- positive sustain pulse voltage Vs (V) is applied to scan electrodes SC1 to SCn as the first voltage.
- a ground potential that is, 0 (V) is applied as a second voltage to sustain electrodes SU1 to SUn.
- the voltage between scan electrode SCi and sustain electrode SUi is the sustain pulse voltage Vs (V), the wall voltage on scan electrode SCi and the wall voltage on sustain electrode SUi. Is added and exceeds the discharge start voltage.
- sustain discharge occurs between scan electrode SCi and sustain electrode SUi.
- the phosphor layer is excited by the ultraviolet rays generated by the sustain discharge and emits light.
- a negative wall voltage is accumulated on scan electrode SCi.
- a positive wall voltage is accumulated on sustain electrode SUi.
- a positive wall voltage is accumulated on the data electrode Dk.
- sustain pulse voltages Vs (V) corresponding to the luminance weight alternately to scan electrodes SC1 to SCn and sustain electrodes SU1 to SUn are applied. Sustain discharge occurs continuously.
- the sustain operation in the sustain period ends.
- sustain electrodes SU1 to SUn are maintained at positive voltage Ve1 (V).
- a ramp voltage that gently decreases from voltage Vi3 (V) to voltage Vi4 (V) is applied to scan electrodes SC1 to SCn. Then, a weak initializing discharge can be generated only in the discharge cell in which the sustain discharge has occurred in the previous subfield. That is, in the first subfield, an all-cell initializing operation for generating an initializing discharge in all the discharge cells is performed.
- a selective initializing operation is performed in which an initializing discharge is selectively generated only in the discharge cells that have generated a sustain discharge in the previous subfield.
- the all-cell initializing operation and the selective initializing operation are selectively used between the first subfield and the other subfields.
- the all-cell initialization operation may be performed in an initialization period in a subfield other than the first subfield. Further, the all-cell initialization operation may be performed once every several fields.
- the operation in the writing period and the sustain period is the same as the operation in the first subfield described above.
- the operation in the sustain period is not necessarily the same as the operation in the first subfield described above.
- the number of sustain discharge pulses Vs (V) changes in order to generate a sustain discharge that can provide luminance corresponding to the image signal sig.
- the sustain period is driven to control the luminance for each subfield.
- a plurality of pairs of strip-like display electrodes 6 and black stripes 7 each consisting of a scanning electrode 4 and a sustaining electrode 5 are arranged in parallel to each other.
- a dielectric layer 8 that functions as a capacitor is formed on the front glass substrate 3 so as to cover the display electrodes 6 and the black stripes 7.
- a protective layer 9 made of magnesium oxide (MgO) or the like is formed on the surface of the dielectric layer 8.
- Scan electrode 4 and sustain electrode 5 are each a bus containing silver (Ag) on a transparent electrode made of a conductive metal oxide such as indium tin oxide (ITO), tin oxide (SnO 2 ), and zinc oxide (ZnO). Electrodes are stacked.
- a conductive metal oxide such as indium tin oxide (ITO), tin oxide (SnO 2 ), and zinc oxide (ZnO). Electrodes are stacked.
- Scan electrode 4, sustain electrode 5, and black stripe 7 are formed on front glass substrate 3 by photolithography.
- Scan electrode 4 and sustain electrode 5 have white electrodes 4b and 5b containing silver (Ag) for ensuring conductivity.
- Scan electrode 4 and sustain electrode 5 have transparent electrodes 4a and 5a.
- the white electrode 4b is laminated on the transparent electrode 4a.
- the white electrode 5b is laminated on the transparent electrode 5a.
- ITO or the like is used to ensure transparency and electrical conductivity.
- an ITO thin film is formed on the front glass substrate 3 by sputtering or the like.
- transparent electrodes 4a and 5a having a predetermined pattern are formed by lithography.
- a white paste containing silver (Ag), a glass frit for binding silver, a photosensitive resin, a solvent, and the like is used as a material for the white electrodes 4b and 5b.
- a white paste containing silver (Ag), a glass frit for binding silver, a photosensitive resin, a solvent, and the like is used.
- a white paste is applied to the front glass substrate 3 by a screen printing method or the like.
- the solvent in the white paste is removed by a drying furnace.
- the white paste is exposed through a photomask having a predetermined pattern.
- the white paste is developed to form a white electrode pattern.
- the white electrode pattern is fired at a predetermined temperature in a firing furnace. That is, the photosensitive resin in the white electrode pattern is removed. Further, the glass frit in the white electrode pattern is melted and re-solidified. Through the above steps, white electrodes 4b and 5b are formed.
- the black stripe 7 is formed of a material containing a black pigment.
- the dielectric layer 8 is formed.
- a dielectric paste containing a dielectric glass frit, a resin, a solvent, and the like is used as a material for the dielectric layer 8.
- a dielectric paste is applied on the front glass substrate 3 by a die coating method or the like so as to cover the scan electrodes 4, the sustain electrodes 5 and the black stripes 7 with a predetermined thickness.
- the solvent in the dielectric paste is removed by a drying furnace.
- the dielectric paste is fired at a predetermined temperature in a firing furnace. That is, the resin in the dielectric paste is removed.
- the dielectric glass frit melts and resolidifies.
- the dielectric layer 8 is formed.
- a screen printing method, a spin coating method, or the like can be used.
- a film that becomes the dielectric layer 8 can be formed by CVD (Chemical Vapor Deposition) method or the like without using the dielectric paste.
- a protective layer 9 is formed on the dielectric layer 8. Details of the protective layer 9 will be described later.
- the scanning electrode 4, the sustaining electrode 5, the black stripe 7, the dielectric layer 8, and the protective layer 9 are formed on the front glass substrate 3, and the front plate 2 is completed.
- a data electrode 12 is formed on the rear glass substrate 11 by photolithography.
- a data electrode paste containing silver (Ag) for ensuring conductivity, a glass frit for binding silver, a photosensitive resin, a solvent, and the like is used as a material of the data electrode 12.
- the data electrode paste is applied on the rear glass substrate 11 with a predetermined thickness by a screen printing method or the like.
- the solvent in the data electrode paste is removed by a drying furnace.
- the data electrode paste is exposed through a photomask having a predetermined pattern.
- the data electrode paste is developed to form a data electrode pattern.
- the data electrode pattern is fired at a predetermined temperature in a firing furnace. That is, the photosensitive resin in the data electrode pattern is removed.
- the glass frit in the data electrode pattern is melted and re-solidified.
- the data electrode 12 is formed by the above process.
- a sputtering method, a vapor deposition method, or the like can be used.
- the base dielectric layer 13 is formed.
- a base dielectric paste containing a dielectric glass frit, a resin, a solvent, and the like is used as a material for the base dielectric layer 13.
- a base dielectric paste is applied by a screen printing method or the like so as to cover the data electrode 12 on the rear glass substrate 11 on which the data electrode 12 is formed with a predetermined thickness.
- the solvent in the base dielectric paste is removed by a drying furnace.
- the base dielectric paste is fired at a predetermined temperature in a firing furnace. That is, the resin in the base dielectric paste is removed.
- the dielectric glass frit melts and resolidifies.
- a die coating method, a spin coating method, or the like can be used.
- a film to be the base dielectric layer 13 can be formed by CVD (Chemical Vapor Deposition) method or the like without using the base dielectric paste.
- the barrier ribs 14 are formed by photolithography.
- a partition paste containing a filler, a glass frit for binding the filler, a photosensitive resin, a solvent, and the like is used as a material for the partition wall 14.
- the barrier rib paste is applied on the underlying dielectric layer 13 with a predetermined thickness by a die coating method or the like.
- the solvent in the partition wall paste is removed by a drying furnace.
- the barrier rib paste is exposed through a photomask having a predetermined pattern.
- the barrier rib paste is developed to form a barrier rib pattern.
- the partition pattern is fired at a predetermined temperature in a firing furnace. That is, the photosensitive resin in the partition pattern is removed. Further, the glass frit in the partition wall pattern is melted and re-solidified.
- the partition wall 14 is formed by the above process.
- a sandblast method or the like can be used as a sandblast method or the like.
- the phosphor layer 15 is formed.
- a phosphor paste containing phosphor particles, a binder, a solvent, and the like is used as the material of the phosphor layer 15.
- a phosphor paste is applied on the base dielectric layer 13 between adjacent barrier ribs 14 and on the side surfaces of the barrier ribs 14 by a dispensing method or the like.
- the solvent in the phosphor paste is removed by a drying furnace.
- the phosphor paste is fired at a predetermined temperature in a firing furnace. That is, the resin in the phosphor paste is removed.
- the phosphor layer 15 is formed by the above steps.
- a screen printing method or the like can be used.
- the back plate 10 having predetermined constituent members on the back glass substrate 11 is completed.
- a sealing material (not shown) is formed around the back plate 10 by the dispensing method.
- a sealing paste containing glass frit, a binder, a solvent, and the like is used.
- the solvent in the sealing paste is removed by a drying furnace.
- the front plate 2 and the back plate 10 are arranged to face each other so that the display electrode 6 and the data electrode 12 are orthogonal to each other.
- the periphery of the front plate 2 and the back plate 10 is sealed with glass frit.
- the discharge space 16 is filled with a discharge gas containing Ne, Xe, etc., thereby completing the PDP 1.
- the dielectric layer 8 will be described in detail.
- the dielectric material includes the following components.
- Bismuth oxide (Bi 2 O 3 ) is 20 wt% to 40 wt%, and at least one selected from calcium oxide (CaO), strontium oxide (SrO), and barium oxide (BaO) is 0.5 wt% to 12 wt%.
- the dielectric material is substantially free of lead components.
- the film thickness of the dielectric layer 8 is 40 ⁇ m or less.
- the relative dielectric constant ⁇ of the dielectric layer 8 is 4 or more and 7 or less. The effect that the dielectric constant ⁇ of the dielectric layer 8 is 4 or more and 7 or less will be described later.
- the dielectric material powder composed of these composition components is pulverized by a wet jet mill or a ball mill so that the average particle diameter becomes 0.5 ⁇ m to 2.5 ⁇ m, thereby producing a dielectric material powder.
- 55 wt% to 70 wt% of the dielectric material powder and 30 wt% to 45 wt% of the binder component are well kneaded with three rolls to obtain a first dielectric layer paste for die coating or printing. Complete.
- the binder component is ethyl cellulose, terpineol containing 1% to 20% by weight of acrylic resin, or butyl carbitol acetate.
- dioctyl phthalate, dibutyl phthalate, triphenyl phosphate and tributyl phosphate are added to the paste as needed, and glycerol monooleate, sorbitan sesquioleate, homogenol (Kao Corporation) as a dispersant. Company name), phosphoric esters of alkylallyl groups, and the like may be added. When a dispersant is added, printability is improved.
- the protective layer 9 includes a base film 91 that is a base layer, aggregated particles 92 that are first particles, and crystal particles 93 that are second particles.
- the base film 91 is, for example, a magnesium oxide (MgO) film containing aluminum (Al) as an impurity.
- the agglomerated particles 92 are formed by aggregating a plurality of crystal particles 92b having a particle diameter smaller than that of the crystal particles 92a on the MgO crystal particles 92a.
- the crystal particles 93 are cubic crystal particles made of MgO.
- the shape can be confirmed by a scanning electron microscope (SEM).
- SEM scanning electron microscope
- a plurality of aggregated particles 92 are distributed over the entire surface of the base film 91.
- a plurality of crystal particles 93 are distributed over the entire surface of the base film 91.
- the crystal particles 92a are particles having an average particle diameter in the range of 0.9 ⁇ m to 2 ⁇ m.
- the crystal particles 92b are particles having an average particle diameter in the range of 0.3 ⁇ m to 0.9 ⁇ m.
- the average particle diameter is a volume cumulative average diameter (D50).
- a laser diffraction particle size distribution measuring device MT-3300 manufactured by Nikkiso Co., Ltd. was used for measuring the average particle size.
- the surface of the protective layer 9 is formed on the base film 91 by agglomerated particles 92 in which several polyhedral crystal particles 92 b are aggregated on polyhedral crystal particles 92 a, and cubic crystal particles 93.
- the cubic crystal particles 93 include particles having a particle size of about 200 nm and nanoparticles having a particle size of 100 nm or less.
- the cubic crystal particles 93 are aggregated, the polyhedral crystal particles 92 a or the polyhedral crystal particles 92 b, or the aggregate particles 92 of the polyhedral crystal particles 92 a and 92 b.
- MgO cubic crystal particles 93 were present.
- the polyhedral crystal particles 92a and 92b were produced by a liquid phase method.
- the cubic-shaped crystal particles 93 were produced by a vapor phase method.
- the “cubic shape” does not indicate a strict cube in a geometric sense. It refers to a shape that can be recognized as a cube by visually observing an electron micrograph.
- the “polyhedron shape” refers to a shape that can be recognized as having approximately seven or more surfaces by visually observing an electron micrograph.
- the aggregated particles 92 are those in which a plurality of crystal particles 92a and 92b having a predetermined primary particle diameter are aggregated.
- Aggregated particles 92 are not bonded as a solid by a strong bonding force.
- the agglomerated particles 92 are a collection of a plurality of primary particles due to static electricity, van der Waals force, or the like.
- the aggregated particles 92 are bonded with a force such that part or all of the aggregated particles 92 are decomposed into primary particles by an external force such as ultrasonic waves.
- the particle diameter of the agglomerated particles 92 is about 1 ⁇ m, and the crystal particles 92a and 92b have a polyhedral shape having seven or more faces such as a tetrahedron and a dodecahedron.
- the crystal particles 92a and 92b were produced by a liquid phase method in which a crystal solution of MgO precursor such as magnesium carbonate or magnesium hydroxide was baked.
- the particle size can be controlled by adjusting the firing temperature and firing atmosphere by the liquid phase method.
- the firing temperature can be selected in the range of about 700 ° C. to 1500 ° C. When the firing temperature is 1000 ° C. or higher, the primary particle size can be controlled to about 0.3 to 2 ⁇ m.
- the crystal particles 92a and 92b are obtained in the form of aggregated particles 92 in which a plurality of primary particles are aggregated in the production process by the liquid phase method.
- the cubic crystal particles 93 are obtained by a gas phase method in which magnesium is heated to a boiling point or more to generate magnesium vapor and gas phase oxidation is performed. Crystal particles having a cubic single crystal structure with a particle size of 200 nm or more (measurement result by the BET method) or a multiple crystal structure in which crystals are fitted to each other are obtained.
- a method for synthesizing magnesium powder by the vapor phase method is known in the Journal of Materials, Vol. 36, No. 410, “Synthesis and Properties of Magnesia Powder by Gas Phase Method”.
- the heating temperature for generating magnesium vapor is increased, and the length of the flame in which magnesium and oxygen react is increased. To do.
- MgO crystal particles can be obtained by a gas phase method having a larger particle size.
- Cathode luminescence (CL) emission characteristics of the polyhedral crystal particles 92a and 92b and the cubic crystal particle 93 were measured.
- the thin solid line represents the emission intensity of the polyhedral crystal particles 92a and 92b of MgO, that is, the cathodoluminescence (emission) intensity of the aggregated particles 92.
- the thick solid line is the cathodoluminescence (light emission) intensity of the cubic crystal particles 93 of MgO.
- the agglomerated particles 92 in which several polyhedral crystal particles 92a and 92b are aggregated have a peak of emission intensity in a wavelength region of a wavelength of 200 nm to 300 nm, particularly a wavelength of 230 nm to 250 nm.
- the cubic crystal particles 93 of MgO have no emission intensity peak in the wavelength region of 200 nm to 300 nm. However, it has a peak of light emission intensity in a wavelength region of 400 nm to 450 nm.
- the aggregated particles 92 that are agglomerated several MgO polyhedral crystal particles 92a and 92b and the MgO cubic crystal particles 93 attached on the base film 91 correspond to the wavelength of the emission intensity peak. Has energy levels.
- Prototype 1 is a PDP in which only a protective layer made of MgO is formed.
- Prototype 2 is a PDP in which a protective layer made of MgO doped with impurities such as Al and Si is formed.
- Prototype 3 is a PDP in which only primary particles of crystal particles made of a metal oxide are dispersed and adhered onto a protective layer made of MgO.
- Prototype 4 is a PDP in which agglomerated particles 92 obtained by aggregating MgO crystal particles having the same particle diameter are adhered to an entire surface of a base film made of MgO so as to be distributed over the entire surface.
- the prototype 5 is a PDP in the present embodiment.
- a polyhedral shape in which MgO crystal particles 92b having a smaller particle diameter than the crystal particles 92a are aggregated around an MgO crystal particle 92a having an average particle diameter in the range of 0.9 ⁇ m to 2 ⁇ m on the base film 91 made of MgO.
- the PDP is formed by adhering agglomerated particles 92 and cubic MgO crystal particles 93 so as to be distributed over the entire surface. That is, the prototype 5 is a PDP in which a plurality of agglomerated particles 92 and a plurality of crystal particles 93 are distributed over the entire surface of the base film 91.
- a PDP in which a plurality of aggregated particles 92 and a plurality of crystal particles 93 are uniformly distributed over the entire surface of the base film 91 is more preferable. This is because variations in discharge characteristics can be suppressed in the plane of the PDP.
- Electron emission performance and charge retention performance were measured for PDPs having these five types of protective layer configurations.
- the electron emission performance is a numerical value indicating that the larger the electron emission performance, the larger the electron emission amount.
- the electron emission performance is expressed as the initial electron emission amount determined by the surface state of the discharge, the gas type and the state.
- the initial electron emission amount can be measured by a method of measuring the amount of electron current emitted from the surface by irradiating the surface with ions or an electron beam.
- a numerical value called a statistical delay time which is a measure of the likelihood of occurrence of discharge, was measured.
- a numerical value linearly corresponding to the initial electron emission amount is obtained.
- the delay time at the time of discharge is the time from the rise of the address discharge pulse until the address discharge is delayed. It is considered that the discharge delay is mainly caused by the fact that initial electrons that become a trigger when the address discharge is generated are not easily released from the surface of the protective layer into the discharge space.
- a voltage value of a voltage (hereinafter referred to as a Vscn lighting voltage) applied to the scan electrode necessary for suppressing the charge emission phenomenon when used as a PDP was used. That is, a lower Vscn lighting voltage indicates a higher charge retention capability.
- the Vscn lighting voltage is low, the PDP can be driven at a low voltage. Therefore, it is possible to use components having a low withstand voltage and a small capacity as the power source and each electrical component.
- an element having a withstand voltage of about 150 V is used as a semiconductor switching element such as a MOSFET for sequentially applying a scanning voltage to a panel.
- the Vscn lighting voltage is preferably suppressed to 120 V or less in consideration of variation due to temperature.
- the electron emission ability and the charge retention ability of the protective layer of the PDP are contradictory.
- the Vscn lighting voltage also increases.
- the PDP having the protective layer of the present embodiment it is possible to obtain an electron emission capability having characteristics of 6 or more and a charge retention capability of Vscn lighting voltage of 120 V or less. That is, it is possible to obtain a protective layer having both an electron emission capability and a charge retention capability that can cope with a PDP in which the number of scanning lines increases and the cell size tends to decrease due to high definition.
- the protective layer 9 in the present embodiment forms a base film 91 containing MgO on the dielectric layer 8, and a plurality of crystal particles made of MgO that is a metal oxide aggregate on the base film 91.
- the agglomerated particles 92 and a plurality of cubic crystal particles 93 made of metal oxide MgO are dispersed over the entire surface, and the Si concentration in the base film 91 is 10 ppm or less. .
- the Vscn lighting voltage changes depending on the Si concentration in the base film 91.
- the Vscn lighting voltage does not depend on the Al concentration in the base film 91.
- the Si concentration exceeds 10 ppm, the Vscn lighting voltage tends to be almost saturated. Therefore, the Vscn lighting voltage can be set to 120 V or less. Therefore, the protective layer 9 for reducing the Vscn lighting voltage includes a plurality of aggregated particles 92 in which a plurality of crystal particles made of MgO are aggregated on a base film 91 containing MgO, and a plurality of cubic shapes made of MgO.
- the individual crystal grains 93 may be dispersedly arranged over the entire surface, and the Si concentration in the base film 91 may be set to 10 ppm or less. Furthermore, in order to set the Vscn lighting voltage to 110 V or less, it is desirable to set the Si concentration in the base film 91 to 5 ppm or less.
- FIG. 12 shows the transition of the electron emission performance with respect to the lighting time of the PDP as a result of examining the time-dependent deterioration of the electron emission performance of the prototypes 4 and 5 that have obtained good characteristics in FIG.
- MgO having a particle diameter smaller than that of the crystal particles 92a around the MgO crystal particles 92a having an average particle diameter in the range of 0.9 ⁇ m to 2 ⁇ m.
- the prototype 5 in which the polyhedral aggregated particles 92 in which the crystal particles 92b are aggregated and the cubic MgO crystal particles 93 are dispersed over the entire surface is less deteriorated with time in the electron emission performance than the prototype 4. .
- Prototype 4 it is estimated that the ions 92 generated by the discharge in the PDP cell impact the protective layer, causing the aggregated particles 92 to peel off.
- MgO crystal particles 92b having a smaller average particle size are aggregated around MgO crystal particles 92a having an average particle size in the range of 0.9 ⁇ m to 2 ⁇ m. That is, since the crystal particle 92b having a small particle size has a large surface area, the adhesion with the base film 91 is enhanced, and it is presumed that the agglomerated particles 92 are less likely to be peeled off by ion bombardment.
- the prototype 5 PDP it is possible to obtain an electron emission ability having characteristics of 6 or more and a charge holding ability of Vscn lighting voltage of 120 V or less. That is, it is possible to obtain a protective layer having both an electron emission capability and a charge retention capability that can cope with a PDP in which the number of scanning lines increases and the cell size tends to decrease due to high definition. Furthermore, since the deterioration over time of the electron emission performance is small, stable image quality can be obtained over a long period of time.
- the aggregated particles 92 and the crystal particles 93 are attached so as to be distributed over the entire surface with a coverage of 10% or more and 20% or less when attached on the base film 91. .
- an image of an area corresponding to one discharge cell divided by the barrier ribs 14 is taken.
- the image is trimmed to the size of one cell of x ⁇ y.
- the trimmed image is binarized into black and white data.
- the area a of the black area by the aggregated particles 92 and the crystal particles 93 is obtained. Finally, it is calculated by a / b ⁇ 100.
- Prototypes B and C have MgO having a particle size smaller than that of crystal particles 92a around MgO polyhedral crystal particles 92a having an average particle size in the range of 0.9 ⁇ m to 2 ⁇ m on the base film made of MgO.
- aggregated particles 92 obtained by agglomerating the polyhedral crystal particles 92b and cubic MgO crystal particles 93 are dispersed over the entire surface.
- the prototype B and the prototype C differ in the dielectric constant ⁇ of the dielectric layer 8. That is, in the prototype B, the dielectric constant ⁇ of the dielectric layer 8 is about 9.7. In the prototype C, the relative dielectric constant ⁇ of the dielectric layer 8 is 7. About a coverage, all are about 13% of 20% or less.
- the prototypes B and C can reduce the sustain discharge voltage with respect to the prototype A. That is, MgO polyhedral crystal particles 92a and 92b having a characteristic of performing CL emission having a peak in a wavelength region of 200 nm to 300 nm and CL emission having a peak in a wavelength region of 400 nm to 450 nm are performed.
- a PDP having a protective layer on which cubic crystal particles 93 of the characteristic MgO are attached can reduce the sustain discharge voltage. That is, the power consumption of the PDP can be reduced.
- the sustain discharge voltage can be further reduced by reducing the relative dielectric constant ⁇ of the dielectric layer 8. In particular, according to experiments by the present inventors, it has been found that the effect can be obtained more significantly by setting the relative dielectric constant ⁇ of the dielectric layer 8 to 4 or more and 7 or less.
- FIG. 15 shows the experimental results of examining the electron emission performance by changing the average particle diameter of the MgO aggregated particles 92 in the protective layer.
- the average particle diameter of the aggregated particles 92 was measured by observing the aggregated particles 92 with an SEM.
- the number of crystal particles per unit area on the protective layer 9 is large. According to the experiments by the present inventors, if the crystal particles 92a, 92b, 93 are present in the portion corresponding to the top of the partition 14 that is in close contact with the protective layer 9, the top of the partition 14 may be damaged. In this case, it has been found that a phenomenon in which the corresponding cell does not normally turn on or off due to, for example, the damaged material of the partition wall 14 getting on the phosphor. The phenomenon of breakage of the partition walls is difficult to occur unless the crystal particles 92a, 92b, and 93 are present at the portions corresponding to the tops of the partition walls. .
- FIG. 16 is a diagram showing a result of an experiment on the relationship between partition wall breakage in a PDP by spraying the same number of crystal particles having different particle sizes per unit area.
- the aggregated particles 92 preferably have an average particle size of 0.9 ⁇ m or more and 2.5 ⁇ m or less.
- mass production is actually performed as a PDP, it is necessary to consider variations in manufacturing crystal grains and manufacturing variations when forming a protective layer.
- impurities are formed by vacuum deposition using a sintered body of MgO containing Al as a raw material.
- a base film 91 made of MgO containing Al is formed on the dielectric layer 8.
- a plurality of agglomerated particles 92 and a plurality of crystal particles 93 are discretely dispersed and adhered onto the unfired base film 91. That is, the aggregated particles 92 and the crystal particles 93 are dispersed and arranged over the entire surface of the base film 91.
- an aggregated particle paste in which polyhedral crystal particles 92a and 92b having a predetermined particle size distribution are mixed in a solvent is prepared.
- a crystal particle paste in which cubic crystal particles 93 are mixed in a solvent is produced. That is, the agglomerated particle paste and the crystal particle paste are prepared separately. Thereafter, the agglomerated particle paste and the crystal particle paste are mixed to produce a mixed crystal particle paste in which polyhedral crystal particles 92a and 92b and crystal particles 93 are mixed in a solvent.
- the mixed crystal particle paste is applied onto the base film 91, whereby a mixed crystal particle paste film having an average film thickness of 8 ⁇ m to 20 ⁇ m is formed.
- a screen printing method, a spray method, a spin coating method, a die coating method, a slit coating method, or the like can also be used.
- the affinity for the MgO base film 91, the agglomerated particles 92, and the crystal particles 93 is high, and the solvent is removed by evaporation in the subsequent drying step A4.
- a vapor pressure of about several tens Pa at room temperature is suitable.
- an organic solvent alone such as methylmethoxybutanol, terpineol, propylene glycol, benzyl alcohol or a mixed solvent thereof is used.
- the viscosity of the paste containing these solvents is several mPa ⁇ s to several tens mPa ⁇ s.
- the substrate coated with the mixed crystal particle paste is immediately transferred to the drying step A4.
- the mixed crystal particle paste film is dried under reduced pressure. Specifically, the mixed crystal particle paste film is rapidly dried within several tens of seconds in a vacuum chamber. Therefore, convection in the film, which is remarkable in heat drying, does not occur. Therefore, the agglomerated particles 92 and the crystal particles 93 are more uniformly deposited on the base film 91.
- the unfired base film 91 formed in the base film deposition step A2 and the mixed crystal particle paste film that has undergone the drying step A4 are simultaneously fired at a temperature of several hundred degrees Celsius. .
- the solvent and the resin component remaining in the mixed crystal particle paste film are removed.
- the protective layer 9 is formed on the base film 91 in which aggregated particles 92 composed of a plurality of polyhedral crystal particles 92a and 92b and cubic crystal particles 93 are attached.
- a method of spraying a particle group directly with a gas or the like without using a solvent, or a method of simply spraying using gravity may be used.
- MgO is taken as an example of the protective layer.
- the performance required for the base is to have high anti-spattering performance for protecting the dielectric from ion bombardment, and has a high charge retention capability. That is, the electron emission performance may not be so high.
- a protective layer mainly composed of MgO has been formed in many cases. Since the composition is controlled predominantly by the single crystal grains, there is no need for MgO, and other materials having excellent impact resistance such as Al 2 O 3 may be used.
- MgO particles as single crystal particles, but other single crystal particles also oxidize metals such as Sr, Ca, Ba, and Al, which have high electron emission performance like MgO. The same effect can be obtained even when crystal grains made of a material are used. Therefore, the particle type is not limited to MgO.
- the number of scanning lines increases with the high definition of the discharge cell structure.
- the pulse width of the pulse voltage applied to the data electrode needs to be set to a time during which the address discharge can surely occur.
- the address discharge has a “discharge delay” in which the discharge is performed with a considerable delay from the rise of the pulse voltage applied to the data electrode.
- a predetermined address voltage cannot be accumulated in the discharge cells that should be originally lit, resulting in a lighting failure. End up.
- FIG. 18 is a diagram plotting the pulse width of the pulse voltage applied to the data electrode and the failure probability of the address discharge in the address period for the PDP using the front plates of the prototype 1 and the prototype 5.
- a pulse width of 1.7 ⁇ s or more is necessary in order to suppress the failure of the address discharge.
- the pulse width can be set to 1 ⁇ s or less.
- the time required for the address period can be shortened by reducing the pulse width of the pulse voltage applied to the data electrode.
- the maintenance period can be extended. Therefore, more sustain pulses can be applied, and the brightness of the PDP can be increased.
- the PDP disclosed in the present embodiment can achieve both improved discharge delay characteristics and low voltage during address discharge. Furthermore, the discharge voltage at the time of sustain discharge can be reduced.
- the technology disclosed in the present embodiment is useful for realizing a PDP having high-definition and high-luminance display performance and low power consumption.
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Abstract
Description
2 前面板
3 前面ガラス基板
4 走査電極
4a,5a 透明電極
4b,5b 白色電極
5 維持電極
6 表示電極
7 ブラックストライプ
8 誘電体層
9 保護層
10 背面板
11 背面ガラス基板
12 データ電極
13 下地誘電体層
14 隔壁
15 蛍光体層
16 放電空間
21 画像信号処理回路
22 データ電極駆動回路
23 走査電極駆動回路
24 維持電極駆動回路
25 タイミング発生回路
91 下地膜
92 凝集粒子
92a,92b,93 結晶粒子
100 プラズマディスプレイ装置
Claims (6)
- 前面板と、
前記前面板と対向配置された背面板と、を備え、
前記前面板は、表示電極と前記表示電極を覆う誘電体層と前記誘電体層を覆う保護層とを有し、
前記保護層は、前記誘電体層上に形成された下地層と、前記下地層膜の全面に亘って分散配置した複数個の第1の粒子と、前記下地層の全面に亘って分散配置した複数個の第2の粒子と、を含み、
前記第1の粒子は、酸化マグネシウムからなる結晶粒子が複数個凝集した凝集粒子であり、電子線の照射によって200nm以上300nm以下の波長領域にカソードルミネッセンスのピークをもち、
前記第2の粒子は、酸化マグネシウムからなる結晶粒子であり、電子線の照射によって400nm以上450nm以下の波長領域にカソードルミネッセンスのピークをもち、200nm以上300nm以下の波長領域にカソードルミネッセンスのピークをもたない、
プラズマディスプレイパネル。 - 請求項1に記載のプラズマディスプレイパネルであって、
前記凝集粒子の平均粒径は0.9μm以上2.0μm以下である、
プラズマディスプレイパネル。 - 請求項1に記載のプラズマディスプレイパネルであって、
前記凝集粒子を構成する結晶粒子は、7面以上の面を有する多面体形状である、
プラズマディスプレイパネル。 - 請求項2に記載のプラズマディスプレイパネルであって、
前記凝集粒子を構成する結晶粒子は、7面以上の面を有する多面体形状である、
プラズマディスプレイパネル。 - 請求項1から請求項4のいずれか一項に記載のプラズマディスプレイパネルであって、
前記下地層は、酸化マグネシウムを含む、
プラズマディスプレイパネル。 - 請求項1に記載のプラズマディスプレイパネルを有し、
前記プラズマディスプレイパネルに対して、1フィールドを複数のサブフィールドにより構成し、
それぞれのサブフィールドに発光させる放電セルを選択する書込み放電を発生させる書込み期間と、前記書込み期間により選択された放電セルに維持放電を発生させる維持期間とを有する、
プラズマディスプレイ装置。
Priority Applications (3)
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US13/574,518 US20120293570A1 (en) | 2010-01-22 | 2010-12-27 | Plasma display panel and plasma display device |
CN2010800619609A CN102714121A (zh) | 2010-01-22 | 2010-12-27 | 等离子体显示面板以及等离子体显示装置 |
JP2011550733A JP5168422B2 (ja) | 2010-01-22 | 2010-12-27 | プラズマディスプレイパネルおよびプラズマディスプレイ装置 |
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JP (1) | JP5168422B2 (ja) |
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JP2008300127A (ja) * | 2007-05-30 | 2008-12-11 | Pioneer Electronic Corp | プラズマディスプレイパネル |
JP2009129616A (ja) * | 2007-11-21 | 2009-06-11 | Panasonic Corp | プラズマディスプレイパネル |
JP2009134921A (ja) * | 2007-11-29 | 2009-06-18 | Panasonic Corp | プラズマディスプレイパネル |
JP2009259512A (ja) * | 2008-04-15 | 2009-11-05 | Panasonic Corp | プラズマディスプレイ装置 |
JP2009276762A (ja) * | 2008-04-16 | 2009-11-26 | Panasonic Corp | プラズマディスプレイ装置 |
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WO2001086685A1 (fr) * | 2000-05-11 | 2001-11-15 | Matsushita Electric Industrial Co., Ltd. | Film mince a emission d'electrons, ecran a plasma comportant un tel film et procede de fabrication dudit film et dudit ecran |
US7102287B2 (en) * | 2002-11-18 | 2006-09-05 | Matsushita Electric Industrial Co., Ltd. | Plasma display panel and manufacturing method therefor |
JP2008311203A (ja) * | 2007-06-15 | 2008-12-25 | Seoul National Univ Industry Foundation | 特定の負極発光特性を有する酸化マグネシウムの微粒子を含むプラズマ素子 |
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- 2010-12-27 WO PCT/JP2010/007541 patent/WO2011089679A1/ja active Application Filing
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JP2008300127A (ja) * | 2007-05-30 | 2008-12-11 | Pioneer Electronic Corp | プラズマディスプレイパネル |
JP2009129616A (ja) * | 2007-11-21 | 2009-06-11 | Panasonic Corp | プラズマディスプレイパネル |
JP2009134921A (ja) * | 2007-11-29 | 2009-06-18 | Panasonic Corp | プラズマディスプレイパネル |
JP2009259512A (ja) * | 2008-04-15 | 2009-11-05 | Panasonic Corp | プラズマディスプレイ装置 |
JP2009276762A (ja) * | 2008-04-16 | 2009-11-26 | Panasonic Corp | プラズマディスプレイ装置 |
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US20120293570A1 (en) | 2012-11-22 |
CN102714121A (zh) | 2012-10-03 |
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