WO2000068966A1 - Ecran plat - Google Patents

Ecran plat Download PDF

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Publication number
WO2000068966A1
WO2000068966A1 PCT/JP2000/002742 JP0002742W WO0068966A1 WO 2000068966 A1 WO2000068966 A1 WO 2000068966A1 JP 0002742 W JP0002742 W JP 0002742W WO 0068966 A1 WO0068966 A1 WO 0068966A1
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WO
WIPO (PCT)
Prior art keywords
electrode
shaped electrodes
display device
strip
island
Prior art date
Application number
PCT/JP2000/002742
Other languages
English (en)
Japanese (ja)
Inventor
Yoshifumi Amano
Original Assignee
Technology Trade And Transfer Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technology Trade And Transfer Corporation filed Critical Technology Trade And Transfer Corporation
Priority to CA002336895A priority Critical patent/CA2336895A1/fr
Priority to JP2000617469A priority patent/JP3674004B2/ja
Priority to EP00921041A priority patent/EP1096536A1/fr
Publication of WO2000068966A1 publication Critical patent/WO2000068966A1/fr

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Classifications

    • 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
    • H01J11/14—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided only on one side of the discharge space
    • 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
    • H01J11/22—Electrodes, e.g. special shape, material or configuration
    • 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
    • H01J11/22—Electrodes, e.g. special shape, material or configuration
    • H01J11/28—Auxiliary electrodes, e.g. priming electrodes or trigger electrodes
    • 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
    • H01J11/38—Dielectric or insulating layers
    • 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 present invention relates to a flat panel display device called a PDP.
  • the most common structure of a flat display device called a conventional PDP is a so-called two-electrode opposed discharge PDP.
  • the two-electrode facing discharge type PDP is opposed to each other across a discharge space and intersects with each other on a front-side and a rear-side glass substrates which are arranged in parallel with each other and constitute a tube body filled with a discharge gas.
  • First and second electrodes each comprising a plurality of striped electrodes are provided, and the first and second electrodes are selectively applied between the plurality of electrodes constituting the respective electrodes.
  • a discharge is generated at the intersection of each of the selected electrodes, and light emission display is performed.
  • Such a PDP is originally a monochromatic light-emitting display device.
  • a red, green, and blue light-emitting phosphor layer is sequentially and cyclically deposited on a predetermined portion in a tube to emit ultraviolet light generated based on discharge. By irradiating the phosphor layer to emit light, a color PDP can be formed.
  • the phosphor layer In such a color PDP, the phosphor layer must be formed on a portion of the tube in which scattered matter from electrodes and the like generated by discharge or ion bombardment is difficult to adhere. The formation location is limited. Further, depending on the location where the phosphor layer is formed, there is a possibility that a sufficient emission luminance cannot be obtained from the phosphor layer.
  • the conventional color PDP has a two-electrode surface discharge type color filter in which XY electrodes are arranged so as to cross each other on the same plane of the rear glass substrate, and a phosphor layer is formed on the front glass substrate. There is also a PDP o
  • the structure of such a conventional two-electrode surface discharge type color PDP will be described with reference to FIG.
  • a first electrode (X electrode) 2 composed of a plurality of striped electrodes is disposed on the rear glass substrate 1, and a second electrode (Y electrode) composed of a plurality of striped electrodes is disposed on the X electrode 2. 4) are arranged so as to cross each other (orthogonal), and the X electrodes 2 and
  • An insulating layer 3 that electrically separates the X electrode 2 and the Y electrode 4 is interposed at the intersection of the Y electrode 4 and extends over the surfaces of the X electrode 2 and the Y electrode 4 and the surface of the rear glass substrate 1.
  • the X electrode 2 and the Y electrode 4 are covered by forming the dielectric layer 7 so as to form AC electrodes.
  • Reference numeral 20 in FIG. 2 indicates a discharge path between the X electrode 2 and the Y electrode 4.
  • red, green and blue light-emitting phosphor layers are sequentially and cyclically deposited on the front glass substrate.
  • the separation from the phosphor layer is ensured, so that the scattered matter from the discharge electrodes, that is, the X electrodes 2 and the Y electrodes 4 fly to the phosphor layer side. None.
  • This phosphor layer is a so-called transmissive type in which light emitted from the phosphor layer, which emits light upon receiving ultraviolet rays based on discharge, passes through the phosphor layer and exits from the front glass substrate side. Since it is a phosphor layer, it has the feature that the color purity of emitted light is good.
  • a conventional color PDP called a three-electrode surface discharge PDP will be described with reference to FIG.
  • a first electrode (X electrode) 2 composed of a plurality of stripe-shaped electrodes extending in parallel with each other and extending in the vertical direction is formed, and the X electrode 2 is covered.
  • a dielectric layer 35 is formed on the rear glass substrate 1 and over the surface of the X electrode 2.
  • Partition walls 31 are provided on the dielectric layer 35 between the striped electrodes constituting the X electrode 2.
  • a phosphor layer 9 is formed over the dielectric layer 35.
  • a plurality of strip electrodes arranged so as to be opposed to and orthogonal to the plurality of strip electrodes constituting the X electrode 2 on the rear glass substrate 1 side are provided.
  • 2 electrode (Y electrode) 4 and a sustain electrode 34 composed of a plurality of strip-shaped electrodes which are arranged in parallel and close to the respective electrodes constituting the Y electrode 4 and are connected to each other. It is formed.
  • a dielectric layer 33 is formed on the Y electrode 4 and the sustain electrode 34, and a protective layer 32 is formed on the dielectric layer 33 to form an AC discharge electrode. are doing.
  • the address discharge between the X and Y electrodes 2 and 4 is taken over by the sustain discharge between the Y electrode 4 and the sustain electrode 34 on the front glass substrate side. Since the X electrode 2 is not related to the sustain discharge, the discharge layer does not damage the phosphor layer similarly to the above-mentioned two-electrode surface discharge type PDP.
  • the phosphor layer 9 is a so-called reflective phosphor screen in which light emitted from the phosphor layer, which emits light by receiving ultraviolet rays based on discharge, is radiated from the surface of the phosphor layer 9 to the outside through the front glass substrate. It has the feature of high brightness.
  • a pair of discharge paths 20 for the X electrode 2 to the Y electrode 4 are formed on both sides of the Y electrode 4.
  • the pair of discharges on both sides are not uniform, and in extreme cases, only one of the discharges occurs. Since this may not occur, it may cause erroneous discharge such as crosstalk and erroneous display.
  • an insulating layer 3 is interposed between the lower electrode X electrode 2 and the upper electrode Y electrode 4, but the insulating layer 3 is integrated with the dielectric layer 7.
  • the thickness of the dielectric layer 7 is thicker on the lower electrode X electrode 2 than on the upper electrode Y electrode 4, which is also the X and Y electrodes. This is one of the causes of the difference in characteristics 2 and 4 and causes a problem in electrode driving.
  • the insulating layer 3 is made thin, the capacitance between the two electrodes increases, and the withstand voltage between the electrodes also decreases, which also poses a problem in electrode driving.
  • the phosphor layer is deposited only on the front glass substrate, so that the phosphor layer is deposited on the side and bottom surfaces of the partition as in the above-mentioned three-electrode surface discharge type PDP.
  • the amount of the phosphor layer was limited, and there was a limit in improving the luminance.
  • the phosphor is usually white, the contrast is low.
  • the three-electrode surface-discharge PDP has a three-electrode configuration in which one electrode, that is, a sustain electrode, is added to the two electrodes originally required for an XY matrix-type PDP.
  • the cost is high and there is a problem in manufacturing.
  • the discharge electrode is on the front glass substrate side, the electrode blocks light emitted from the phosphor layer.
  • a transparent electrode or a very thin electrode, or a highly transparent dielectric layer or a protective layer must be formed, and the production becomes troublesome and leads to an increase in cost.
  • the present invention provides a flat-panel display which has a simple structure, is easy to manufacture, is inexpensive, has stable discharge operation, hardly generates crosstalk between adjacent display cells, and can increase the resolution. They are trying to propose a device.
  • the present invention has a simple structure, is easy to manufacture, is inexpensive, has a stable discharge operation, hardly generates crosstalk between adjacent display cells, can increase the resolution, and has high brightness. It proposes a flat-panel display device that can perform color display.
  • the present invention has a simple structure, is easy to manufacture, is inexpensive, has a stable discharge operation, is unlikely to cause crosstalk between adjacent display cells, and has high brightness, high contrast and high resolution. This is to propose a flat-panel display device that can perform color display. Disclosure of the invention
  • a first and a second substrate facing each other at a predetermined interval which constitute a tube body filled with a discharge gas, and formed on the first substrate.
  • a first electrode composed of a plurality of strip-shaped electrodes, and a device as a dielectric layer formed on the first substrate so as to cover the first electrode and to cover the discharge electrode of the AC type PDP.
  • This is a flat-panel display device designed to
  • a planar type which has a simple structure, is easy to manufacture, is inexpensive, has stable discharge operation, hardly generates crosstalk between adjacent display cells, and can increase the resolution.
  • a display device can be obtained.
  • the plurality of island-shaped electrodes are a predetermined one of a plurality of strip-shaped electrodes constituting the second electrode on the insulating layer.
  • This is a flat display device formed so as to be close to only one side.
  • the plurality of island-shaped electrodes are provided at every other one of a plurality of the striped electrodes constituting the second electrode on the insulating layer.
  • This is a flat-panel display device which is formed so as to be close to the strip-shaped electrodes on both sides constituting the second electrode in the formed space.
  • the same effects as those of the first aspect of the invention can be obtained, but the number of the island-shaped electrodes and the number of conductors are reduced by almost half as compared with the second aspect of the present invention. Is easier, manufacturing is easier, and prices are lower.
  • the second substrate corresponds to a plurality of strip-shaped electrodes constituting the first electrode, respectively.
  • a plurality of grooves extending along the extending direction are provided, and on the inner surface of the plurality of grooves, a primary color light emitting phosphor layer of a primary color that is sequentially and cyclically different for each groove is formed.
  • Teranadaira It is a surface type display device.
  • the fourth aspect of the present invention it is possible to obtain a flat-panel display device which can provide the same effects as those of the first, second or third aspect of the present invention and can perform a high-luminance color display. .
  • the second substrate corresponds to a plurality of the stripe-shaped electrodes constituting the first electrode.
  • a plurality of grooves extending along the extending direction are provided, and on the inner surface of each of the plurality of grooves, a primary color light emitting phosphor layer of a primary color that sequentially and cyclically differs for each of the grooves is provided with a color filter of the same primary color.
  • This is a flat-panel display device formed by being applied via a filter layer.
  • a flat-panel display device which can provide the same effects as those of the first, second or third aspects of the invention and which can perform high-luminance and high-contrast color display. Obtainable.
  • the second substrate corresponds to a plurality of strip-shaped electrodes constituting the first electrode, respectively.
  • a plurality of grooves extending along the extending direction are provided, and a black layer is formed on the inner surface of a predetermined number of the plurality of grooves, and a black layer of the plurality of grooves is formed.
  • This is a flat-panel display device in which primary color light emitting phosphor layers of primary colors that are cyclically different from one another are sequentially formed on the inner surfaces of a plurality of grooves on which no is formed.
  • the same effects as those of the first, second or third aspect of the present invention can be obtained, and a color display with high luminance and extremely high contrast can be performed.
  • a flat-panel display device that can be operated.
  • the second substrate corresponds to a plurality of the stripe-shaped electrodes constituting the first electrode. And extend along its extension direction A plurality of grooves are provided, a black layer is formed on the inner surface of a predetermined number of the plurality of grooves, and a black layer of the plurality of grooves is not formed on the inner surface of the plurality of grooves.
  • a flat panel display device in which primary color light emitting phosphor layers of different primary colors are sequentially and cyclically applied to the respective grooves via a color filter layer of the same primary color.
  • the same effects as those of the first, second or third aspect of the present invention can be obtained, and a high-luminance and very high contrast color display can be performed.
  • a flat display device that can be obtained can be obtained.
  • An eighth aspect of the present invention is the flat panel display according to the sixth aspect, wherein
  • the plurality of stripe-shaped electrodes corresponding to the grooves formed on the black layer are of a planar type in which the island-shaped electrodes and the conductor are omitted.
  • the same effects as those of the sixth aspect of the invention can be obtained, and a flat display device having a simpler structure than that of the sixth aspect of the invention can be obtained.
  • a ninth aspect of the present invention is the flat display device according to the seventh aspect of the present invention, wherein a plurality of stripe-shaped electrodes corresponding to the grooves formed on the black layer are formed among the plurality of striped electrodes constituting the first electrode.
  • the triangular electrode is a flat display device in which the island electrode and the conductor are omitted.
  • the same effects as those of the seventh aspect of the invention can be obtained, and a flat display device having a simpler structure than that of the seventh aspect of the invention can be obtained.
  • the flat panel display according to the sixth aspect of the present invention wherein a plurality of stripe-shaped electrodes constituting the first electrode correspond to a plurality of grooves formed on the black layer.
  • Each of the plurality of island-shaped electrodes connected to the strip-shaped electrode is a stripe adjacent to the plurality of island-shaped electrodes of the plurality of stripe-shaped electrodes constituting the second electrode.
  • the same effects as those of the sixth aspect of the present invention can be obtained, and the first and second electrodes can be driven at a high speed, and the discharging operation can be further stabilized.
  • a flat display device can be obtained.
  • An eleventh aspect of the present invention is the flat type display device according to the seventh aspect of the present invention, wherein a plurality of stripe-shaped electrodes constituting the first electrode correspond to a plurality of grooves corresponding to the grooves formed on the black layer.
  • the plurality of island-shaped electrodes respectively connected to the strip-shaped electrodes are respectively connected to the plurality of strip-shaped electrodes constituting the second electrode and adjacent to the plurality of island-shaped electrodes.
  • the same effect as that of the seventh aspect of the present invention can be obtained, and high-speed driving of the first and second electrodes can be performed, and the discharging operation can be further stabilized.
  • a flat display device can be obtained.
  • a plurality of strip-like electrodes constituting the first electrode the plurality of strip-like electrodes corresponding to the grooves formed on the black layer are formed.
  • the formation of the dielectric layer thereon is omitted, and a plurality of the plurality of stripe-shaped electrodes constituting the second electrode are formed.
  • the same effects as those of the sixth aspect of the invention can be obtained, and the first and second electrodes can be driven at high speed, and the discharging operation can be further stabilized.
  • Flat display device can be obtained You.
  • a thirteenth aspect of the present invention is the flat display device according to the seventh aspect of the present invention, wherein a plurality of stripe-shaped electrodes constituting the first electrode correspond to a plurality of grooves formed on the black layer.
  • a plurality of stripe-shaped electrodes constituting the first electrode correspond to a plurality of grooves formed on the black layer.
  • the formation of the dielectric layer thereon is omitted, and among the plurality of strip-shaped electrodes constituting the second electrode.
  • the same effects as those of the seventh aspect of the present invention can be obtained, and the first and second electrodes can be driven at high speed, and the discharging operation can be further stabilized.
  • a flat display can be obtained o
  • the second substrate corresponds to a plurality of strip-shaped electrodes constituting the first electrode, respectively. Then, a plurality of rows of depressions arranged along the extending direction are provided, and on the inner surface of the plurality of rows of depressions, primary color light emitting phosphor layers of primary colors that are sequentially and cyclically different for each column are attached. This is a flat display device formed.
  • the fourteenth aspect of the present invention it is possible to obtain a flat-panel display device which can provide the same effects as those of the first, second or third aspect of the present invention and can perform a high-luminance color display. it can.
  • the second substrate corresponds to a plurality of striped electrodes constituting the first electrode, respectively. Then, a plurality of rows of depressions arranged along the extending direction are provided, and on the inner surface of the plurality of rows of depressions, primary-color light-emitting phosphor layers of primary colors that sequentially and cyclically differ for each column are provided with the same primary color.
  • the same effects as those of the first, second, or third aspect of the present invention can be obtained, and a flat display capable of performing high-luminance and high-contrast color display.
  • a device can be obtained.
  • the second substrate corresponds to a plurality of stripe-shaped electrodes constituting the first electrode, respectively. Then, a plurality of rows of depressions arranged along the extending direction are provided, and a black layer is formed on the inner surfaces of the depressions of a predetermined number of rows of the plurality of rows of depressions. The inner surface of multiple rows of dents where no black layer is formed
  • the same effects as those of the first, second or third aspect of the present invention can be obtained, and high brightness and very high contrast can be displayed.
  • a flat display device can be obtained.
  • the second substrate corresponds to a plurality of stripe-shaped electrodes constituting the first electrode, respectively.
  • a plurality of rows of depressions arranged along the extending direction are provided, and a black layer is formed on the inner surfaces of the depressions of a predetermined number of rows of the plurality of depressions. The inner surface of multiple rows of dents where no black layer is formed
  • the same effects as those of the first, second or third aspect of the present invention can be obtained, and a plane capable of performing high-luminance and extremely high-contrast color display can be provided.
  • Type display device Wear
  • a black layer is formed on a plurality of striped electrodes constituting the first electrode.
  • the plurality of striped electrodes corresponding to the rows of depressions are flat display devices in which island-shaped electrodes and conductors are omitted.
  • the eighteenth aspect of the present invention it is possible to obtain the same effect as that of the sixteenth aspect of the present invention and to obtain a flat-panel display device having a simpler structure as compared with the sixteenth aspect of the present invention. Can be.
  • a black layer is formed by attaching a plurality of stripe-shaped electrodes constituting the first electrode.
  • the plurality of striped electrodes corresponding to the rows of depressions are flat display devices in which island-shaped electrodes and conductors are omitted.
  • the same effects as those of the seventeenth aspect of the present invention can be obtained, and a flat-panel display device having a simpler structure than that of the seventeenth aspect of the present invention can be obtained. it can.
  • the plurality of stripe-shaped electrodes constituting the first electrode are formed by a row of depressions formed by the black layer.
  • the plurality of island-shaped electrodes respectively connected to the plurality of strip-shaped electrodes corresponding to the plurality of strip-shaped electrodes which are close to the plurality of island-shaped electrodes of the plurality of strip-shaped electrodes constituting the second electrode
  • An auxiliary discharge electrode that constantly discharges with the electrode is configured.
  • the same effects as those of the 16th aspect of the present invention are obtained, and high-speed driving of the first and second electrodes becomes possible, and the discharge operation becomes more stable.
  • a type display device can be obtained.
  • a twenty-first aspect of the present invention is a flat panel display according to the seventeenth aspect of the present invention.
  • the plurality of island-shaped electrodes respectively connected to the plurality of stripe-shaped electrodes corresponding to the row of the depressions formed by the black layer are respectively
  • a flat display in which an auxiliary discharge electrode that constantly discharges between a plurality of stripe-shaped electrodes constituting the second electrode and a plurality of stripe-shaped electrodes adjacent to the plurality of island-shaped electrodes is formed.
  • the same effects as those of the seventeenth aspect can be obtained, and high-speed driving of the first and second electrodes can be performed, and the discharge operation can be further stabilized.
  • a type display device can be obtained.
  • the flat display device in the flat-panel display according to the sixteenth aspect of the present invention, wherein a plurality of stripe-shaped electrodes constituting the first electrode are arranged in a row of depressions formed by applying a black layer.
  • the formation of the dielectric layer thereon is omitted, and the plurality of stripe-shaped electrodes constituting the second electrode are omitted.
  • the same effects as those of the sixteenth aspect of the present invention can be obtained, and high-speed driving of the first and second electrodes is enabled, and the discharge operation is more stable.
  • a type display device can be obtained.
  • the flat-panel display according to the seventeenth aspect of the present invention wherein a black layer is formed by attaching a plurality of strip-like electrodes constituting the first electrode.
  • a black layer is formed by attaching a plurality of strip-like electrodes constituting the first electrode.
  • Each of the plurality of island-shaped electrodes connected to the plurality of strip-shaped electrodes corresponding to the row of hollows, the deposition of the induction layer thereon is omitted, and the second electrode is formed.
  • This is a flat-panel display device in which an auxiliary discharge electrode that constantly generates a discharge between the plurality of strip-shaped electrodes and the strip-shaped electrode adjacent to the plurality of island-shaped electrodes is configured.
  • the same effects as those of the seventeenth aspect of the present invention can be obtained, and high-speed driving of the first and second electrodes can be performed, and the discharge operation can be further stabilized.
  • a type display device can be obtained.
  • the flat panel display device according to any one of the first to twenty-third aspects, wherein the plurality of island-shaped electrodes and a hole penetrating a conductor connected to the island-shaped electrodes are provided. And a dielectric layer is also provided on the inner surface of the hole to form a hollow electrode.
  • the twenty-fourth aspect of the present invention it is possible to obtain the same effect as any one of the first to twenty-third aspects of the present invention, and to obtain a flat display device having a low discharge voltage and high luminous efficiency. it can.
  • the first substrate is a rear substrate
  • the second substrate is a transparent front substrate. Is a flat panel display device.
  • the same effects as any of the first to twenty-fourth aspects of the invention can be obtained, and the first and second electrodes, the island-shaped electrode, the insulating layer, the dielectric layer, and the like can be obtained.
  • the need for transparency is eliminated.
  • the second substrate is a rear substrate
  • the first substrate is a transparent front substrate. Is a flat panel display device.
  • FIG. 1 is a partial perspective view showing a conventional two-electrode opposed surface discharge type flat display device (PDP).
  • PDP flat display device
  • FIG. 2 is a partial cross-sectional view showing a conventional two-electrode opposed surface discharge type flat display device (PDP).
  • PDP flat display device
  • FIG. 2 is an exploded perspective partial view showing P).
  • FIG. 4 is an exploded partial perspective view showing a flat-panel display according to an example of the embodiment of the present invention.
  • FIG. 5 is a partial sectional view showing a flat-panel display device according to an example of the embodiment of the present invention.
  • FIG. 6 is an exploded perspective partial view showing a flat-panel display device according to an example of the embodiment of the present invention.
  • FIG. 7 is a partial sectional view showing a flat-panel display device according to an example of the embodiment of the present invention.
  • FIG. 8 is a partial cross-sectional view showing a flat panel display according to another example of the embodiment of the present invention.
  • FIG. 9 is an exploded perspective partial view showing still another example of the flat display device according to the embodiment of the present invention.
  • FIG. 10 is a partial cross-sectional view showing a flat-panel display according to yet another example of the embodiment of the present invention.
  • FIG. 11 is a plan view showing an electrode arrangement of still another example of the flat panel display according to the embodiment of the present invention.
  • FIG. 12 is an exploded perspective partial view showing still another example of the flat display device according to the embodiment of the present invention.
  • FIG. 13 is a partial sectional view showing a flat-panel display device according to still another example of the embodiment of the present invention.
  • FIG. 14 is an exploded perspective partial view showing still another example of the flat display device according to the embodiment of the present invention.
  • FIG. 15 is a perspective partial view showing an example of a front glass substrate of a flat panel display according to yet another example of the embodiment of the present invention.
  • FIG. 16 is an exploded perspective partial view showing still another example of the flat display device according to the embodiment of the present invention.
  • FIG. 17 shows a flat panel display according to still another embodiment of the present invention.
  • FIGS. 4 is an exploded perspective partial view of an example of the flat panel display (PDP)
  • FIG. 5 is a cross sectional partial view
  • FIG. 6 is a perspective partial view
  • FIG. 7 is a cross sectional partial view.
  • a first electrode for example, an X electrode 2 composed of a plurality of strip-shaped electrodes having a fixed width and arranged in parallel with each other at a fixed interval is formed by deposition.
  • the X electrode 2 is formed by, for example, screen printing a conductive paste of silver, nickel, or the like on the rear glass substrate 1 and firing it.
  • the X electrode 2 may be formed by a thin film method such as a photolithography method or a vacuum evaporation method, or another method.
  • an insulating layer (composed of a material having a relatively low dielectric constant, such as a low-melting glass) 3 which covers the X electrode 2 and insulates it from the Y electrode 4 to be formed later is formed. And over the rear glass substrate 1 and the X electrode 2.
  • the insulating layer 3 is formed, for example, by screen-printing a low-melting-point glass space on the rear-side glass substrate 1 and the X-electrode 2, and baking it.
  • the thickness of the insulating layer 3 is usually about 0.02 to 0.03 mm, if only the insulation between the XY electrodes 2 and 4 is required, a withstand voltage of about 200 V is sufficient. It should be enough.
  • the thickness of the insulating layer 3 is set to about 0.04 so that the insulating layer 3 does not function as a dielectric layer covering the discharge electrode of the AC PDP. mm or more, for example, about 0.04 to about 0.08 mm. Of course, to satisfy the condition of the dielectric layer that does not cause discharge, If a lower material is used, the thickness of the insulating layer 3 can be made smaller.
  • the upper Y electrode 4 is arranged so as to be apparently separated from the lower X electrode 2, but the insulating layer 3 and the dielectric layer covering the discharge electrode of the AC-type PDP are different from each other. If such a function is not performed, no discharge occurs on the right side of the Y electrode 4.
  • a through hole 5 is formed in the insulating layer 3 in the vicinity of the Y electrode 4, and a columnar body obtained by sintering a conductive paste, for example, a columnar (for example, a square quadrangular prism, a rectangular quadrangular prism, etc.) conductor 26 is penetrated therethrough. It is formed in the through hole 5.
  • an island-shaped electrode (small electrode) 6 is formed on the insulating layer 3 so as to be connected to the conductor 26. This island electrode 6 is formed simultaneously with the Y electrode 4. Thus, island electrode 6 is electrically connected to X electrode 2 through conductor 26.
  • the island-shaped electrode 6 may be formed by printing and firing a conductive paste such as silver or nigel, as in the case of the X electrode 2 and the Y electrode 6.
  • the Y electrode 4 and the island electrode 6 are arranged on the insulating layer 3 in parallel.
  • the surfaces of the Y electrode 4 and the island electrode 6 are covered with a dielectric layer 7.
  • the dielectric layer 7 Since the dielectric layer 7 accumulates wall charges similarly to that of a normal AC PDP, the dielectric layer 7 is thinner than the insulating layer 3 so as to increase the capacitance, for example, from 0.01 mm to 0.02 mm. Select the degree.
  • a protective layer of a material having a high secondary electron emission ratio, such as magnesium oxide, and having a high resistance to ion bombardment is usually formed on the surface of the dielectric layer 7 by coating. . The discharge is excited from the electric field shape before the discharge as shown by the discharge path 20.
  • a plurality of grooves 8 are formed in the front glass substrate 11 so as to correspond to the X electrodes (first electrodes) 2 on the rear glass substrate 1.
  • a row of depressions may be used instead of each groove 8.
  • a plurality of rows of depressions correspond to the plurality of grooves 8.
  • the shape of the depression is, for example, a dome shape.
  • the groove 8 can be easily formed by a method such as a chemical etching method or a sand-plast method for the front glass substrate 11.
  • red, green, and blue light-emitting phosphor layers 9 are sequentially formed in a cyclic manner.
  • the formation of the phosphor layer 9 in the groove 8 is performed, for example, by applying the phosphor by a screen printing method.
  • red, green and blue light-emitting phosphor layers 9 are sequentially formed on the inner surfaces of the depressions in a plurality of rows of the front glass substrate 11 cyclically for each row.
  • the depth of the groove 8 is preferably about 0.1 to 0.2 mm.
  • the width of the groove 8 is about 0.15 to 0.5 mm in a normal PDP. Since the thickness of the phosphor layer 9 is about 0.01 mm, the groove 8 is not filled with the phosphor.
  • the cross-sectional shape is advantageous for improving the luminance and the viewing angle of the phosphor layer 9 as shown in FIG. In general, it is generally inverted U-shaped.
  • the red, green, and blue light-emitting phosphor layers 9, which are primary colors, respectively, are directly formed on the inner surface of the groove 8 of the front glass substrate 11 or, as shown in FIGS.
  • the primary colors red, green, and blue color filters 10 are formed on the inner surface of the color filter 8, and then the corresponding primary colors red, green, and blue color filters 10 are formed on the red, green, and blue color filters 10, respectively.
  • the green and blue light emitting phosphor layers 9 are formed.
  • the color filter 10 is generally formed by adding a pigment to low-melting glass and coloring each primary color, and can be easily formed by screen printing or the like.
  • a gas mixture suitable for discharge such as neon, argon, or xenon, is filled in at about 0.5 atm, and the flat panel display is completed.
  • the X electrode (first electrode) 2, the insulating layer 3, the Y electrode (second electrode) 4, the island electrode 6, the dielectric layer 7 and the conductor 26 are provided, and the front glass substrate 11 is provided with the groove 8 (may be a row of depressions), the phosphor layer 9 and the color filter 10.
  • the front glass substrate 11 side an X electrode (first electrode) 2, an insulating layer 3, a Y electrode (second electrode) 4, an island electrode 6, a dielectric layer 7, and a conductor 26 are provided.
  • the glass substrate 1 may be provided with a groove 8 (a row of depressions may be provided), a phosphor layer 9 and a color filter 10.
  • the members such as electrodes provided on the front glass substrate 11 may be made transparent, but if they are not made transparent, the transparency of each member on the front glass substrate 11 becomes a problem.
  • the position of the X electrode 2 is made to correspond to the partition wall between the grooves 8 formed on the rear glass substrate 1 and the through electrode for connecting the island electrode 6 and the X electrode 2 is formed.
  • a protruding portion that protrudes to the position of the hole 21 may be provided on the X electrode 2.
  • FIG. 8 a hole 24 penetrating the island-shaped electrode 6 and the conductor 26 is formed, and a dielectric layer 7 is also formed in the hole 24.
  • a so-called hollow electrode 21 is formed.
  • the island-shaped electrode 6 and the X electrode 2 as the lower layer electrode are not completely filled with the conductive hole 24 electrically connected through the conductor 26 and the conductive paste and the dielectric layer 7.
  • the Y-shaped electrode 4 and the island-shaped electrode are indented, and the diameter of the indentation is suitable for generating the holo effect (the diameter is about 0.05 mm in a normal PDP).
  • the diameter is about 0.05 mm in a normal PDP.
  • a hollow effect occurs when the island-shaped electrode 6 operates as a force source, and a decrease in the discharge voltage and an increase in the luminous efficiency are observed.
  • One electrode 21 becomes a hollow cathode.
  • the dielectric layer 7 only needs to be coated on the entire inner peripheral surface of the hole 24, and the dielectric layer 7 does not necessarily have to be coated on the X electrode 2 at the lower end of the hole 24. . That is, it is possible that the hollow electrode 21 operates as a DC electrode while the island-shaped electrode 6 operates as an AC electrode.
  • the island-shaped electrode 6 and two second electrodes located on both sides of the island-shaped electrode 6 are provided.
  • (Y electrode) So-called crosstalk, in which a discharge occurs not only between the electrodes closer to each other but also between the other electrodes on the opposite side, that is, erroneous discharge is likely to occur, particularly in a high-resolution PDP.
  • the operating voltage range will be narrowed.
  • FIG. 9 is a perspective partial view of still another example of the flat display device
  • FIG. 10 is a partial sectional view
  • FIG. 11 is a plan view showing an electrode arrangement
  • FIG. 12 is an exploded perspective partial view.
  • a first electrode, for example, an X electrode 2 is formed by deposition.
  • the X electrode 2 is formed by, for example, printing a conductive paste of silver, nickel, or the like on the rear glass substrate 1 by screen printing and firing the conductive paste.
  • the X electrode 2 may be formed by a photolithography method, a thin film method such as vacuum deposition, or another method.
  • an insulating layer 3 that covers the X electrode 2 and insulates from the Y electrode 4 to be formed later is formed on the rear glass substrate 1 and the X electrode 2.
  • the insulating layer 3 is formed by, for example, screen-printing a low-melting-point glass base over the rear-side glass substrate 1 and the X-electrode 2 and firing the screen.
  • a withstand voltage of about 200 V is sufficient, and the thickness of the insulating layer 3 is usually about 0.02 to 0.03 mm. It should be enough.
  • the thickness of the insulating layer 3 is set to about 0.04 so that the insulating layer 3 does not function as a dielectric layer covering the discharge electrode of the AC PDP. mm or more, for example, about 0.04 to about 0.08 mm.
  • the thickness of the insulating layer 3 can be made smaller. it can.
  • a through hole 5 is formed in the insulating layer 3 in the vicinity of the Y electrode 4, and a columnar, for example, columnar conductor 26, which is obtained by firing a conductive paste, is formed in the through hole 5.
  • the size and shape of the through-hole 5 are selected according to the electrode width and the pixel pitch, and may be a square or a rectangle other than a circle.
  • the island-shaped electrode 6 is formed on the insulating layer 3 so as to be connected on the conductor 26 .
  • This island electrode 6 is formed simultaneously with the Y electrode 4.
  • the island electrode 6 is electrically connected to the X electrode 2 through the conductor 26.
  • the island-shaped electrode 6 may be formed by printing and firing a conductive paste such as silver or Nigger, similarly to the X electrode 2 and the Y electrode 6.
  • the Y electrode 4 and the island electrode 6 are arranged in parallel on the insulating layer 3, but in this example, the Y electrode 4 is located at a symmetrical position on the left and right sides of the island electrode 6, respectively. It is made to be arranged.
  • the surfaces of the Y electrode 4 and the island electrode 6 are covered with a dielectric layer 7. Since the dielectric layer 7 accumulates wall charges in the same manner as that of a normal AC PDP, the dielectric layer 7 is thinner than the insulating layer 3 so as to increase the capacitance, for example, 0.01 mm to 0.02 mm. Select the degree.
  • the surface of the dielectric layer 7 is usually further coated with a material having a high secondary electron emission ratio, such as magnesium oxide, and having a high resistance to ion bombardment.
  • electric fields 22 and 23 of two independent display cells 1 and 2 are formed between the island electrode 6 and the Y electrodes 4 on both sides thereof. Discharges occur independently between the left half of the island electrode 6 and the left Y electrode 4 and between the right half of the island electrode 6 and the right Y electrode 4.
  • Figure 11 shows the X electrode 2 (XI, X2, X3,), the Y electrode 4 (Yl, ⁇ 2, ⁇ 3,), and the island electrode 6 (S
  • the Y electrodes Y 1 and Y 2 are arranged on both sides of the island electrodes S 1 1 2, 2 1 2 and 3 1 2, respectively, on both sides of the island electrodes S 1 3 4, 2 3 4 and 3 3 4.
  • Y electrode Y3, ⁇ 4 are arranged.
  • two Y electrodes Y 2, 3 are arranged between the island-shaped electrodes S 134, 230, and 334.
  • the X electrodes XI, X2, X3 face each other at a predetermined interval
  • a plurality of grooves 8 (may be a plurality of rows of depressions) are formed in the front glass substrate 11 so as to correspond to the X electrodes (first electrodes) 2 on the rear glass substrate 1. .
  • the groove 8 can be easily formed by a method such as a chemical etching method or a sand blast method for the front glass substrate 11.
  • red, green, and blue light-emitting phosphor layers 9 are sequentially formed in a cyclic manner.
  • the formation of the phosphor layer 9 in the groove 8 is performed, for example, by applying the phosphor by a screen printing method.
  • the depth of the groove 8 is preferably about 0.1 to 0.2 mm.
  • the width of the groove 8 is about 0.15 to 0.5 mm in a normal PDP. Since the thickness of the phosphor layer 9 is about 0.01 mm, the groove 8 is not filled with the phosphor.
  • its cross-sectional shape is substantially inverted U-shaped, which is advantageous for improving the luminance and the viewing angle of the phosphor layer 9.
  • the red, green, and blue light-emitting phosphor layers 9, which are primary colors, respectively, are directly formed on the inner surface of the groove 8 of the front glass substrate 11, or
  • the primary colors red, green and blue power filters 10 are formed on the inner surface, and then the corresponding primary colors red, green and blue power filters 10, respectively, are formed on the red, green and blue power filters 10 respectively.
  • the green and blue light emitting phosphor layers 9 are formed.
  • the color filter 10 is generally formed by adding a pigment to low-melting glass and coloring each primary color, and can be easily formed by screen printing or the like.
  • the front glass substrate 11 is fitted so as to cover the rear glass substrate 1, and the two glass substrates 1 and 11 are vacuum-sealed with glass frit etc., and then the space between the two glass substrates 1 and 11 A gas mixture suitable for discharge, such as neon, argon, or xenon, is filled in at about 0.5 atm, and the flat panel display is completed.
  • a gas mixture suitable for discharge such as neon, argon, or xenon
  • the area of the island-shaped electrode 6 is relatively small as in the case of a high-resolution PDP, in order to clearly separate the adjacent discharge cells, the area on the dielectric layer 7 corresponding to the approximate center of the island-shaped electrode 6 is reduced. For example, 0.02 to 0, which extend in the direction in which the X electrode 2 extends, on the dielectric layer 7 corresponding to the middle of the first and second X electrodes 4 on the left and right sides of the island electrode 6, respectively.
  • a low-layer partition wall (approximately 3 mm in height, made of an insulator having a low dielectric constant such as low-melting glass) 29 is formed, it is possible to form an island-shaped electrode 6. Can be divided, the operating range can be expanded, and crosstalk between adjacent display cells can be reduced.
  • the screen of all display devices is composed of a light-emitting part and a non-light-emitting part, and the contrast ratio is increased by making the non-light-emitting part black. I am trying to.
  • the front-side glass substrate 11 in the above-described example of the flat panel display (PDP) has a problem in contrast in that the non-light-emitting portion is small compared to the area of the phosphor layer that is the light-emitting surface.
  • the non-light-emitting portion is small compared to the area of the phosphor layer that is the light-emitting surface.
  • Reference numeral 11 denotes a glass substrate (here, a front glass substrate, but may be a rear glass substrate).
  • the front glass substrate 11 is provided with a plurality of grooves 8 (a plurality of rows of recesses) of a concave curved surface having the same width, the same depth, and the same shape (for example, a U-shaped cross section) parallel to each other.
  • the groove 8 is formed on the front glass substrate 11 by a method such as a sand blast method or a chemical etching method.
  • 8 BR indicates a partition wall between adjacent grooves 8.
  • a black layer eg, a black glass layer
  • a red light-emitting phosphor layer 9 R a red light-emitting phosphor layer 9 R
  • a green light-emitting phosphor layer 9 G and a blue
  • the light emitting phosphor layers 9B are sequentially formed in a cyclic manner, for example, by coating.
  • the light emitted from the phosphor layers 9 R, 9 G, and 9 B in each of the plurality of grooves 8 may be diffused to cause a slight color mixture.However, the presence of the concave grooves 8 on which the black layer is applied is This has the effect of not only improving the contrast ratio but also slowing down color mixing.
  • the width of the groove 8 applied to the black layer BL is set to be the same as the width of the groove 8 applied to the phosphor layers 9 R, 9 G, and 9 B of each color. You don't have to. That is, the width of the groove 8 provided on the black layer BL may be wider or narrower than the width of the groove 8 provided on each color phosphor layer 9R, 9G, 9B.
  • the width of the groove 8 attached to each color phosphor layer 9R, 9G, 9B is the same in this example, but does not necessarily have to be the same.
  • the width of the groove 8 on which the phosphor layers 9R, 9G, and 9B are attached may be changed for each emission color to adjust the color balance.
  • a first electrode for example, an X electrode 2, which is composed of a plurality of strip-shaped electrodes having a fixed width and arranged in parallel with each other at a fixed interval, is formed on the rear glass substrate 1.
  • the X electrode 2 is formed by, for example, printing a conductive paste of silver, nickel, or the like on the rear glass substrate 1 by screen printing and firing the conductive paste.
  • the X electrode 2 may be formed by a photolithography method, a thin film method such as vacuum deposition, or another method.
  • an insulating layer 3 that covers the X electrode 2 and insulates from the Y electrode 4 to be formed later is formed on the rear glass substrate 1 and the X electrode 2.
  • the insulating layer 3 is formed, for example, by screen-printing a low-melting glass base over the rear glass substrate 1 and the X electrodes 2 and firing the screen.
  • the thickness of the insulating layer 3 is usually about 0.02 to 0.03 mm, if only the insulation between the XY electrodes 2 and 4 is required, a withstand voltage of about 200 V is sufficient. It should be enough.
  • the thickness of the insulating layer 3 is set to about 0.04 so that the insulating layer 3 does not function as a dielectric layer covering the discharge electrode of the AC PDP. mm or more, for example, about 0.04 to about 0.08 mm.
  • the thickness of the insulating layer 3 can be made smaller than this. .
  • the front glass substrate 11 of FIG. 15 is applied to the front glass substrate 11 of the flat panel display device.
  • the black layer BL, the red phosphor layer 9R, the green phosphor layer 9G and the blue phosphor layer 9B are sequentially circulated in the plurality of grooves 8 (multiple rows of depressions may be formed). It may be formed so as to adhere to the surface.
  • the X-electrode 2, the Y-electrode 4, the island-like electrode 6, and the like are arranged on the front glass substrate 11 side to form a reflective phosphor screen type two-electrode surface discharge PDP.
  • the island-shaped electrode 6 for discharge corresponding to the groove 8 (or a row of depressions) on which the black layer BL is attached is not formed, but this portion is supplemented as shown in FIG. 17.
  • the discharge island electrode 27 may be formed.
  • the auxiliary discharge island electrode 27 is not limited to the AC type, and may be a so-called DC type electrode whose surface is not covered with a dielectric layer. Since the light emitted by the auxiliary discharge island-shaped electrodes 27 does not go out of the groove 8 on which the black layer BL is attached, there is no danger of lowering the contrast of the screen. Since the auxiliary discharge by the auxiliary discharge island electrode 27 is always lit regardless of the image signal, effective priming can always be supplied to the pixel adjacent to the auxiliary discharge cell.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Gas-Filled Discharge Tubes (AREA)

Abstract

L'invention concerne un écran plat comprenant une première électrode (2) formée sur un premier substrat (1), une couche isolante (3) déposée sur le premier substrat (1), de sorte qu'elle recouvre la première électrode (2), et une seconde électrode (4) déposée sur la couche isolante (3) perpendiculairement à la première électrode (2), de manière qu'une électrode matricielle soit formée, des électrodes insulaires (6) déposées à proximité de la seconde électrode et connectées à la première électrode (2) par des conducteurs séparés (26) s'étendant à travers la couche isolante (3), et une couche diélectrique (7) déposée sur la couche isolante, de manière qu'elle recouvre la seconde électrode (4) et les électrodes insulaires (6), la décharge électrique étant ainsi induite sélectivement par les électrodes insulaires (6). L'écran plat possède une structure simple et est facile à produire. La décharge électrique est stable, la diaphonie est rare et la définition est élevée.
PCT/JP2000/002742 1999-05-07 2000-04-26 Ecran plat WO2000068966A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002336895A CA2336895A1 (fr) 1999-05-07 2000-04-26 Ecran plat
JP2000617469A JP3674004B2 (ja) 1999-05-07 2000-04-26 平面型表示装置
EP00921041A EP1096536A1 (fr) 1999-05-07 2000-04-26 Ecran plat

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP11/164292 1999-05-07
JP16429299 1999-05-07
JP21573699 1999-06-24
JP11/215736 1999-06-24
JP11/246029 1999-07-27
JP24602999 1999-07-27

Publications (1)

Publication Number Publication Date
WO2000068966A1 true WO2000068966A1 (fr) 2000-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002742 WO2000068966A1 (fr) 1999-05-07 2000-04-26 Ecran plat

Country Status (6)

Country Link
EP (1) EP1096536A1 (fr)
JP (1) JP3674004B2 (fr)
KR (1) KR100722827B1 (fr)
CA (1) CA2336895A1 (fr)
TW (1) TW459262B (fr)
WO (1) WO2000068966A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006100758A1 (fr) * 2005-03-22 2006-09-28 Hitachi Plasma Patent Licensing Co., Ltd. Afficheur a decharge

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4909475B2 (ja) * 2001-09-13 2012-04-04 篠田プラズマ株式会社 表示装置
KR100859684B1 (ko) * 2002-06-04 2008-09-23 삼성에스디아이 주식회사 할로우 방전형 디스플레이 장치
JP4184334B2 (ja) 2003-12-17 2008-11-19 シャープ株式会社 表示装置の駆動方法、表示装置、およびプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01146225A (ja) * 1987-12-03 1989-06-08 Fujitsu General Ltd プラズマディスプレイパネル
JPH10255666A (ja) * 1997-03-12 1998-09-25 Fujitsu Ltd プラズマディスプレイパネル

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04308630A (ja) * 1991-04-08 1992-10-30 Fujitsu Ltd 面放電型プラズマディスプレイパネル

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01146225A (ja) * 1987-12-03 1989-06-08 Fujitsu General Ltd プラズマディスプレイパネル
JPH10255666A (ja) * 1997-03-12 1998-09-25 Fujitsu Ltd プラズマディスプレイパネル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006100758A1 (fr) * 2005-03-22 2006-09-28 Hitachi Plasma Patent Licensing Co., Ltd. Afficheur a decharge

Also Published As

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KR20010074668A (ko) 2001-08-08
CA2336895A1 (fr) 2000-11-16
EP1096536A1 (fr) 2001-05-02
JP3674004B2 (ja) 2005-07-20
TW459262B (en) 2001-10-11
KR100722827B1 (ko) 2007-05-30

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