WO2007077803A2 - プラズマディスプレイパネル - Google Patents
プラズマディスプレイパネル Download PDFInfo
- Publication number
- WO2007077803A2 WO2007077803A2 PCT/JP2006/325830 JP2006325830W WO2007077803A2 WO 2007077803 A2 WO2007077803 A2 WO 2007077803A2 JP 2006325830 W JP2006325830 W JP 2006325830W WO 2007077803 A2 WO2007077803 A2 WO 2007077803A2
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- WIPO (PCT)
- Prior art keywords
- plasma display
- boundary
- electrode
- display panel
- panel
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/36—Spacers, barriers, ribs, partitions or the like
-
- 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
-
- 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
- H01J11/26—Address electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/36—Spacers, barriers, ribs, partitions or the like
- H01J2211/361—Spacers, barriers, ribs, partitions or the like characterized by the shape
- H01J2211/365—Pattern of the spacers
Definitions
- the present invention relates to a plasma display panel used as a display device of a plasma display apparatus.
- plasma display panels used in plasma display devices are roughly classified into AC type and DC type, which have different driving methods.
- the mainstream of plasma display panels is surface-discharge type plasma display panels with a three-electrode structure because of the high definition, large screen, and ease of manufacture of plasma display panels.
- a pair of substrates that are transparent at least on the front side are arranged to face each other so that a discharge space is formed between the substrates. Furthermore, a partition for partitioning the discharge space into a plurality of spaces is formed on the substrate. An electrode group is formed on each substrate so that a discharge is generated in the discharge space cut by the barrier ribs. Furthermore, phosphors that emit red, green, and blue light are provided in the discharge space to form a plurality of discharge cells. The phosphor is excited by vacuum ultraviolet light with a short wavelength generated by discharge, and red, green, and blue visible light is generated from the discharge cells provided with red, green, and blue phosphors, respectively. . As a result, the plasma display panel performs color display.
- a plasma display panel can display at a higher speed than a liquid crystal panel, and can easily be enlarged with a wide viewing angle. Furthermore, since plasma display panels are self-luminous, they have recently attracted particular attention among flat panel displays because of their high display quality. It is used for various purposes as a display device in a place where many people gather or as a display device for enjoying a large screen image at home.
- a plasma display panel is held on the front side of a chassis member, and a circuit board is arranged on the back side of the chassis member. This constitutes a module.
- the plasma display panel is mainly made of glass, and the chassis member is made of metal such as aluminum.
- the circuit board constitutes a drive circuit for causing the plasma display panel to emit light.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2003-13 1580
- Patent Document 1 Japanese Patent Laid-Open No. 2003-131580
- the present invention provides a high-definition plasma display panel with a large screen, which does not require an ultra-large equipment, has a low manufacturing cost, and does not reduce the manufacturing yield.
- the plasma display panel of the present invention includes a front panel having a front substrate and a display electrode, and a rear panel having a rear substrate, a partition, a data electrode, and a phosphor layer, and the rear substrate is formed on the front substrate. Disposed to form a discharge space with the front panel, barrier ribs are formed on the rear substrate to partition the discharge space, data electrodes are formed to intersect the display electrodes, and phosphor layers are between the barrier ribs. It is formed. Further, the partition wall is divided into a plurality of regions in a direction parallel to the data electrode, and the partition wall formed by dividing has different properties between the plurality of regions. With the above configuration, a large-screen plasma display panel having high-definition display quality can be easily realized.
- FIG. 1 is a schematic perspective view showing a main part of a plasma display panel according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic electrode array diagram of the plasma display panel shown in FIG.
- FIG. 3 is a circuit block diagram of a plasma display device in which the plasma display panel shown in FIG. 1 is used.
- FIG. 4 is a waveform diagram showing driving voltage waveforms for driving the plasma display device shown in FIG.
- FIG. 5 shows a plasma display using the plasma display panel shown in FIG. It is a general
- FIG. 6A is an explanatory view for explaining a split exposure method used in manufacturing the plasma display panel shown in FIG.
- 6B is a schematic cross-sectional view of the plasma display panel shown in FIG. 6A, taken along the 6B-6B cross section.
- FIG. 6C is a schematic cross-sectional view of the plasma display panel shown in FIG. 6A.
- FIG. 6D is a flowchart showing a method of manufacturing the plasma display panel shown in FIG.
- FIG. 7A is a schematic plan view of the plasma display panel shown in FIG. 1 as viewed from the front panel side.
- FIG. 7B is a schematic plan view of the plasma display panel shown in FIG. 1 viewed from the rear panel side.
- FIG. 8A is a schematic plan view of the plasma display panel shown in FIG. 1 viewed from the front panel side.
- FIG. 8B is an enlarged plan view of the main part of the back panel used in the plasma display panel shown in FIG. 8A.
- FIG. 8C is a schematic explanatory diagram for explaining a back panel used in the plasma display panel shown in FIG.
- FIG. 9 is an enlarged plan view of a main part showing another embodiment of the back panel used in the plasma display panel shown in FIG. 1.
- FIG. 10 is an enlarged plan view of a main part showing another aspect of the back panel used in the plasma display panel shown in FIG.
- FIG. 11 is an enlarged plan view of a main part showing another aspect of the back panel used in the plasma display panel shown in FIG. 1.
- FIG. 12A is a schematic plan view of the plasma display panel according to the second embodiment of the present invention as seen from the front panel side force.
- FIG. 12B is a schematic plan view of the plasma display panel shown in FIG. 12A as viewed from the back panel side.
- FIG. 12C is an enlarged plan view of the main part of the rear panel used in the plasma display panel shown in FIG. 12A.
- a plasma display panel according to Embodiment 1 of the present invention will be described with reference to FIGS.
- the plasma display panel 21 (hereinafter referred to as panel 21) has a front panel 1 and a rear panel so that a discharge space 60 is formed between the front panel 1 and the rear panel 2. 2 are arranged opposite to each other.
- the front panel 1 and the back panel 2 are sealed using sealing materials (not shown) provided in the peripheral portions of the front panel 1 and the back panel 2.
- the discharge gas is sealed in the discharge space 60, whereby the panel 21 is configured.
- a glass frit is used as the sealing material.
- the discharge gas for example, a mixed gas of neon and xenon is used.
- the front panel 1 is provided with display electrodes 62 arranged in a plurality of rows on a glass front substrate 3.
- the display electrode 62 includes a scan electrode 4 as a first electrode and a sustain electrode 5 as a second electrode. Scan electrode 4 and sustain electrode 5 are disposed opposite to each other so as to form discharge gap 64, and are formed in parallel with each other. Furthermore, a dielectric layer 6 made of a glass material is formed so as to cover the scan electrode 4 and the sustain electrode 5. Further, a protective layer 7 made of MgO is formed on the dielectric layer 6.
- the front panel 1 is configured as described above.
- the scanning electrode 4 includes a transparent electrode 4a and a bus electrode 4b formed on the transparent electrode 4a.
- sustain electrode 5 has transparent electrode 5a and bus electrode 5b formed on transparent electrode 5a.
- the transparent electrode 4a and the transparent electrode 5a are each formed of ITO or the like and have light transmittance.
- the bus electrode 4b and the bus electrode 5b are each formed mainly of a conductive material such as Ag.
- the back panel 2 is provided with a plurality of data electrodes 10 having a conductive material force such as Ag on a glass back substrate 8 disposed to face the front substrate 3.
- Data The pole 10 is covered with an insulator layer 9 which also has a glass material force.
- a partition wall 11 having a lattice shape is provided on the insulator layer 9.
- the partition wall 11 partitions the discharge space 60 and forms the discharge cell 61.
- red, green, and blue phosphor layers 12 are disposed between the barrier ribs 11.
- the back panel 2 is configured as described above.
- the data electrode 10 is arranged between the partition walls 11 so as to intersect the scan electrode 4 and the sustain electrode 5. As a result, discharge cells 61 partitioned by the barrier ribs 11 are formed at the intersections of the scan electrodes 4, the sustain electrodes 5, and the data electrodes 10.
- a black light shielding layer 13 having a high light shielding property is provided between the scan electrode 4 and the sustain electrode 5 in order to improve contrast.
- the structure of panel 21 is not limited to the above-described configuration.
- a plasma display panel having stripe-shaped partition walls may be used.
- the scan electrode 4 and the sustain electrode 5 are arranged as shown in FIG. 1 as in the scan electrode 4, the sustain electrode 5, the scan electrode 4, the sustain electrode 5, and so on.
- the configuration of the display electrodes 62 arranged alternately is shown.
- the display electrode 62 may have an electrode arrangement such as scan electrode 4—sustain electrode 5—sustain electrode 5—scan electrode 4.
- FIG. 2 is a schematic electrode arrangement diagram of the plasma display panel shown in FIG.
- m data electrodes D1 to Dm are arranged in the column direction (lateral direction).
- FIG. 3 shows a circuit block diagram of a plasma display device in which the plasma display panel 21 is used.
- the plasma display device 63 includes a panel 21, an image signal processing circuit 22, a data electrode drive circuit 23, a scan electrode drive circuit 24, a sustain electrode drive circuit 25, a timing generation circuit 26, a power supply circuit (not shown), and the like. .
- a timing generation circuit 26 generates various timing signals based on the horizontal synchronization signal H and the vertical synchronization signal V, and the image signal processing circuit that is each drive circuit block.
- the image signal processing circuit 22 converts the image signal Sig into image data for each subfield.
- the data electrode drive circuit 23 converts the image data for each subfield into a signal corresponding to each data electrode Dl to Dm. Using the signals converted by the data electrode driving circuit 23, the data electrodes Dl to Dm are driven.
- Scan electrode drive circuit 24 supplies a drive voltage waveform to scan electrodes SC1 to SCn based on the timing signal sent from timing generation circuit 26.
- sustain electrode drive circuit 25 supplies a drive voltage waveform to sustain electrodes SUl to SUn based on the timing signal sent from timing generation circuit 26.
- Scan electrode drive circuit 24 and sustain electrode drive circuit 25 each have a sustain pulse generator 27.
- FIG. Fig. 4 is a waveform diagram showing drive voltage waveforms applied to each electrode of the plasma display panel.
- one field is divided into a plurality of subfields, and each subfield has an initialization period, an address period, and a sustain period.
- the data electrodes Dl to Dm and the sustain electrodes SUl to SUn are held at O (V).
- a ramp voltage Vil2 that gradually increases from the voltage Vil (V) that is lower than or equal to the discharge start voltage to the voltage Vi2 (V) that exceeds the discharge start voltage is applied to the scan electrodes SCl to SCn.
- the first weak setup discharge occurs, and a negative wall voltage is stored on the scan electrodes SCl to SCn.
- positive wall voltage is stored on the sustain electrodes SUl to SUn and the data electrodes Dl to Dm.
- the wall voltage on the electrode refers to a voltage generated by wall charges accumulated on the dielectric layer 6 or the phosphor layer 12 covering the electrode.
- sustain electrodes SU1 to SUn are maintained at positive voltage Vh (V), and are applied to voltage Vi3 (V) or voltage Vi4 (V) with respect to scan electrodes SC1 to SCn.
- Vh positive voltage
- Vi3 voltage
- Vi4 voltage
- a slowly decreasing ramp voltage Vi34 is applied.
- the second weak initializing discharge occurs, and the wall voltage between the scan electrodes SCl to SCn and the sustain electrodes SU1 to SUn is reduced. Weakened.
- the wall voltage on the data electrodes Dl to Dm is adjusted to a value suitable for the write operation.
- scan electrodes SCl to SCn are set to Vr and Vr
- a positive wall voltage is accumulated on the scan electrode SC 1
- a negative wall voltage is accumulated on the sustain electrode SU 1
- a negative wall voltage is accumulated on the data electrode Dk.
- the wall voltage is accumulated.
- the address discharge occurs in the discharge cells 61 to be displayed in the first row, and the address operation for accumulating the wall voltage on each electrode is executed.
- the voltage at the intersection where the data electrodes Dl to Dm and the scan electrode SCI, to which the address pulse voltage Vd (V) is applied does not exceed the discharge start voltage. Therefore, no address discharge occurs.
- the write operation is sequentially performed until the discharge cell 61 in the nth row. This ends the writing period of the first subfield.
- a sustain discharge occurs between scan electrode S Ci and sustain electrode SUi, and phosphor layer 12 is excited by the ultraviolet rays generated by the sustain discharge to emit light.
- a negative wall voltage is accumulated on scan electrode SCi, and a positive wall voltage is accumulated on sustain electrode SUi.
- data electrode Dk A positive wall voltage is also accumulated on the top.
- the sustain pulse voltages Vs (V) corresponding to the luminance weight are alternately applied to the scan electrodes SCl to SCn and the sustain electrodes SU1 to SUn.
- the sustain discharge is continuously performed in the discharge cell 61 in which the address discharge has occurred during the address period. In this way, the maintenance operation in the maintenance period ends.
- the operations in the initialization period, the writing period, and the sustain period are performed in substantially the same manner as in the first subfield. Similarly, the operation after the third subfield is also performed, and the description thereof is omitted.
- FIG. 5 is a schematic exploded perspective view showing the overall configuration of a plasma display device in which the plasma display panel of the present invention is used.
- the chassis member 31 is made of a metal such as aluminum and is a holding plate that also serves as a heat sink.
- a panel 21 is held on the front side of the chassis member 31.
- a heat dissipation sheet (not shown) is interposed between the panel 21 and the chassis member 31, and the panel 21 and the chassis member 31 are bonded using an adhesive (not shown) or the like.
- a plurality of drive circuit blocks (not shown) for driving the panel 21 are arranged on the back side of the chassis member 31.
- the module 65 is configured as described above. In FIG. 5, the panel 21 is hidden behind the chassis member 31 and cannot be seen.
- the heat radiating sheet is held by adhering the panel 21 to the front side of the chassis member 31 to hold the panel. It is provided for the purpose of efficiently transferring the heat generated from the channel 21 to the chassis member 31 and dissipating it.
- the heat dissipation sheet is lmn! ⁇ 2mm sheet.
- an insulating heat-dissipating sheet containing a filler is used to increase the thermal conductivity of a synthetic resin material such as acrylic, urethane, silicone resin, or silicone rubber.
- a graphite sheet, a metal sheet, or the like may be used as the heat dissipation sheet.
- the heat dissipation sheet itself may have an adhesive force, and the panel 21 may be bonded to the chassis member 31 with only the heat dissipation sheet. Or, if a heat-dissipating sheet that does not have adhesive strength is used, another double-sided adhesive tape may be used to bond the panel 21 and the chassis member 31! /.
- flexible wiring boards 32 as display electrode wiring members connected to the electrode lead portions of the scan electrodes 4 and the sustain electrodes 5 are provided on both side edges of the panel 21.
- the flexible wiring board 32 is routed to the back side through the outer periphery of the chassis member 31, and is driven by a driving circuit block (not shown) of the driving electrode driving circuit 24 and a driving circuit block (not shown) of the sustain electrode driving circuit 25. ) And each via a connector.
- a plurality of flexible wiring boards 33 serving as data electrode wiring members connected to the electrode lead portions of the data electrodes 10 are provided on the lower edge and the upper edge of the panel 21. .
- the flexible wiring board 33 is electrically connected to each of the plurality of data drivers of the data electrode drive circuit 23.
- the drive circuit block of the data electrode drive circuit 23 (which is routed to the back side through the outer periphery of the chassis member 31 and arranged at the lower position and the upper position on the back side of the chassis member 31 ( (Not shown)
- each drive circuit block is cooled by the wind sent from the cooling fan 34.
- three cooling fans 36 are arranged at the upper position of the chassis member 31.
- the cooling fan 36 cools the drive circuit block of the data electrode drive circuit 23 arranged at the upper position of the chassis member 31.
- the cooling fan 36 generates an air flow that flows from the lower part to the upper part inside the entire plasma display device 63 on the back side of the chassis member 31. As a result, the plasma display The inside of the device 63 is cooled.
- the angle 37 arranged in the horizontal direction and the angle 38 arranged in the vertical direction are fixed to the chassis member 31 for reinforcing the mechanical strength. Further, a stand pole 39 for holding the plasma display device 63 in an upright state is fixed to the angle 37 by screws or the like (not shown).
- the module 65 having the above-described structure is provided in a housing having a front protective cover 40 disposed on the front side of the panel 21 and a metal back cover 41 disposed on the rear side of the chassis member 31. Is housed in. As a result, the plasma display device 63 is completed.
- the front protective cover 40 has a front frame 42 and a protective plate 43.
- the front frame 42 has an opening 42a, and is configured using a resin or metal.
- the opening 42 a is provided to expose the image display area on the front side of the panel 21.
- the protective plate 43 is attached to the opening 42a, is made of a force such as glass, and has light transmittance.
- the protective plate 43 is provided with, for example, an unnecessary radiation suppressing film or an optical filter for suppressing unnecessary radiation due to electromagnetic waves.
- the protective plate 43 is attached to the front frame 42 by being sandwiched between a peripheral portion of the peripheral force opening 42a of the protective plate 43 and a protective plate pressing metal fitting (not shown).
- the back cover 41 is provided with a plurality of ventilation holes (not shown) for releasing heat generated from the module 65 to the outside.
- FIG. 5 screws 44 are used and the back cover 41 is attached to the chassis member 31. Then, the grip 45 used for transporting the plasma display device 63 is attached to the back cover 41 using screws or the like (not shown)! /
- an exposure development process as a method for forming each component such as the scan electrode 4, the sustain electrode 5, the data electrode 10, the light shielding layer 13, and the partition wall 11 on the panel 21 with high accuracy. is there. That is, first, a photosensitive material layer is formed on a substrate. Next, the photosensitive material layer formed on the substrate is exposed through a photomask capable of drawing a predetermined pattern. Further, the exposed photosensitive material layer is developed. As a result, a highly accurate pattern is formed on the substrate.
- the big picture of plasma display panel With the progress of surface area, there is a demand for a plasma display panel that requires V exposure and exposure of an area that does not fit in the exposure area of a general exposure apparatus in the exposure process. As a method for realizing the exposure of the plasma display panel having such a large area, a divided exposure method in which the exposure region is divided into a plurality of small regions and exposed is effective.
- FIG. 6A to FIG. 6D are diagrams showing a divided exposure method used for creating the panel 21 of the present invention in order to easily realize the plasma display panel 21 having a large screen. That is, an exposure method in which the photosensitive material layer 52 formed by being applied to the substrate 51 is exposed through the photomask 53 will be described.
- FIG. 6A shows a schematic plan view when the left area of the substrate 51 is exposed.
- FIG. 6B is a schematic cross-sectional view taken along line 6B-6B of the substrate 51 shown in FIG. 6A.
- FIG. 6C shows a schematic cross-sectional view when the right area of the substrate 51 is exposed.
- FIG. 6D shows a flowchart for explaining the steps in which the substrate 51 is exposed and developed.
- a photosensitive material layer 52 such as a silver paste for forming the constituent parts of the plasma display panel 21 is formed on the substrate 51.
- step S02 the substrate 51 on which the photosensitive material layer 52 is formed is positioned on an exposure apparatus (not shown).
- the photosensitive material layer 52 on the left area 51a side of the substrate 51 is exposed by an exposure light source (not shown) provided above the photomask 53.
- the photomask 53 is arranged on the upper left area 51a of the substrate 51 so as to be separated from the photosensitive material layer 52 by a predetermined distance. Note that the photomask 53 is provided with an opening 53a. As a result, the left exposed portion 52a in the left region of the photosensitive material layer 52 is exposed.
- the photomask 53 is moved to the upper part of the right area 51 b of the power substrate 51, and is arranged separated from the photosensitive material layer 52 by a predetermined distance.
- the photosensitive material layer 52 on the right area 51 b side of the substrate 51 is exposed by an exposure light source provided above the photomask 53.
- the right exposure portion 52b in the right region of the photosensitive material layer 52 is exposed.
- the developing step S06 the exposed photosensitive material layer 52 is developed, the unexposed area of the photosensitive material layer 52 is removed, and an electrode pattern having a predetermined pattern, etc. A member is formed.
- the photomask 53 is moved in the direction of the arrow K, so that the substrate 51 is divided into two left and right areas.
- the entire area of the substrate 51 is exposed in two steps. That is, it is divided into a step of exposing the left area 51a of the substrate 51 shown in FIG. 6B and a step of exposing the right area 5 lb of the substrate 51 shown in FIG. 6C.
- the photomask 53 is provided with, for example, an opening 53a for forming an electrode pattern of the plasma display panel. From the exposure light source provided above the photomask 53 through the opening 53a, a photosensitive material layer is formed. 52 is exposed.
- the connecting portion 52c is an area that is exposed in both the first exposure step S03 and the second exposure step S05.
- the first exposure step SO3 when the left area 51a is exposed, the right area 51b is shielded from light using a light shielding plate (not shown).
- the second exposure step S05 when the right area 51b is exposed, the left area 5la is shielded from light using a light shielding plate.
- the divided exposure method illustrated in FIGS. 6A to 6D describes a method of performing the divided exposure on the left area 51a and the right area 51b of the substrate 51 using one photomask 53.
- the photomask 53 used when the substrate 51 is divided and exposed is not necessarily limited to one.
- the left area photomask for exposing the left area 51a may be different from the right area photomask for exposing the right area 5 lb.
- the flowchart shown in FIG. 6D does not include the steps of drying and baking the photosensitive material layer 52.
- the present invention is not necessarily limited to the flowchart shown in FIG. 6D. Steps necessary to manufacture the plasma display panel, such as a drying step and a firing step, may be added as appropriate.
- the front substrate 3 is used as the substrate 51.
- a material for forming the scan electrode 4 and the sustain electrode 5 is formed on the front substrate 3 as the photosensitive material layer 52. It is.
- the light shielding layer 13 is formed as a constituent part, the light shielding layer 13 is formed.
- the material for forming the photosensitive material layer 52 is formed on the front substrate 3.
- the rear substrate 8 is used as the substrate 51.
- the data electrode 10 is formed as a component
- a material for forming the data electrode 10 is formed on the back substrate 8 as the photosensitive material layer 52.
- the partition wall 11 is formed as a constituent part, a material for forming the partition wall 11 is formed on the back substrate 8 as the photosensitive material layer 52.
- FIG. 7A shows a schematic plan view of the plasma display panel 21 in which the constituent parts are formed by using the divided exposure method as described above, as viewed from the front panel 1 side.
- FIG. 7B shows a schematic plan view of the plasma display panel 21 as viewed from the back panel 2 side.
- a cross-shaped alignment mark la is provided at each of the central portions of the upper and lower ends of the long side of the front panel 1.
- cross-shaped alignment marks 2a are provided at the center of the upper and lower ends of the long side of the rear panel 2, respectively.
- the alignment mark la may be formed simultaneously with ITO when the transparent electrodes 4a and 5a are formed on the front substrate 3. Further, the alignment mark 2a may be simultaneously formed of a conductive material such as Ag when the data electrode 10 is formed on the back substrate 8.
- alignment marks la and 2a are provided at the center of the upper and lower ends of the long side of front panel 1 and rear panel 2, respectively. Then, the alignment marks la and 2a are used to align the substrate 51 and the photomask 53 when using the divided exposure method shown in FIGS. 6A to 6D. As a result, the constituent parts constituting the plasma display panel 21 are divided into a plurality of regions and exposed to be formed with high accuracy. For this reason, the plasma display panel 21 that maintains display quality of a predetermined level or more is formed for each region formed by being divided into a plurality of regions. As a result, a high-definition and large-screen plasma display panel 21 and a plasma display device 63 using the same can be easily obtained.
- the plasma display device 63 having a high-definition display quality (1080 XI 920 or higher) is easily and inexpensively manufactured. That is, a large-screen, high-definition plasma display panel 21 and a plasma display device 63 using the same are provided, which do not require an ultra-large facility, are low in manufacturing cost, and are difficult to reduce manufacturing yield.
- the boundary portions 1b and 2b corresponding to the connecting portions 52c of a plurality of regions have a display quality. May have an effect. That is, when the plasma display device 63 is viewed, depending on the shape of the boundary portions lb and 2b, the plasma display device 63 may be visually recognized by human eyes, and the plasma display device 63 may not be lit or the appearance of the lighting may be impaired. This adversely affects the display quality of the plasma display device 63.
- the plasma display panel 21 of the present invention employs the following configuration.
- the rear panel 2 is provided with the boundary portion 2b substantially at the center of the long side of the rear panel 2 in the direction Y parallel to the data electrode 10.
- the partition wall 11 is divided into a plurality of regions with the boundary portion 2b as a boundary. Further, the properties of the partition wall 11 formed by division are different among a plurality of regions.
- the property of the partition wall 11 is, for example, the geometric property or optical property of the partition wall 11.
- the geometric property of the partition wall 11 is, for example, the outer shape of the partition wall 11.
- the outer shape of the partition wall 11 is, for example, the width and height of the partition wall 11, the width of the top of the partition wall 11, the pattern shape of the partition wall 11 when the partition wall 11 is observed in a plane.
- the optical properties of the partition wall 11 include, for example, the reflectance of the partition wall 11 and the light absorption characteristics.
- the back panel 2 used in the plasma display panel 21 of the present invention which is characterized by the outer shape of the partition wall 11, will be described with reference to FIGS. 8A to 11.
- FIG. 8A the back panel 2 used in the plasma display panel 21 of the present invention, which is characterized by the outer shape of the partition wall 11, will be described with reference to FIGS. 8A to 11.
- FIG. 8A to FIG. 11 are diagrams for explaining the back panel 2 that can be used in the plasma display panel 21 of the present invention.
- the phosphor layer 12 includes a red phosphor layer 12R, a green phosphor layer 12G, and a blue phosphor layer 12B.
- the boundary portion 2b is provided at the substantial center of the back panel 2. Further, with the boundary portion 2b as a boundary, the partition wall 11 in the left and right regions also inclines the substantial central portion force of the boundary portion 2b in the outward direction. That is, Figure 8 As shown in C, when the boundary 2b provided at the substantial center of the rear panel 2 is compared with both ends 2d of the rear panel 2, the width of both ends 2d is wider than the boundary 2b. It is formed in a pattern shape. Note that FIG. 8B is an enlarged plan view of a main part showing an enlarged X portion which is substantially the center of the back panel 2 shown in FIG. 8A.
- the boundary 2b is provided substantially at the center of the back panel 2. Further, with the boundary 2b as a boundary, the widths of the tops lla and lib of the partition walls 11 in the left and right regions are formed in different pattern shapes. That is, the width W2 of the top portion ib of the left region 14a of the back panel 2 is made smaller than the width W1 of the top portion 11a of the right region 14b of the back panel 2. Conversely, the width W2 of the top portion l ib of the left region 14a of the back panel 2 may be larger than the width W1 of the top portion 11a of the right region 14b of the back panel 2. Further, in FIG.
- the width of the top 1 lh of the partition wall 11 provided at the boundary 2b is equal to the width W2 of the top 1 lb of the left region 14a.
- the width of the top l lh is not necessarily limited to the configuration equal to the width W2 of the top l ib, for example, it may be equal to the width W1 of the top 11a of the right region 14b.
- the left area 14a constitutes a first area
- the right area 14b constitutes a second area.
- the boundary 2b is provided substantially at the center of the back panel 2 in the same manner.
- the partition wall 11 in the right region 14b of the left and right regions is formed in a pattern shape inclined with respect to the partition wall 11 in the left region 14a with the boundary portion 2b as a boundary.
- the partition wall 11 of the left region 14 a is formed substantially at right angles to the display electrode 62.
- the partition wall 11 in the right region 14b may be formed substantially perpendicular to the display electrode 62.
- the data electrode 10 may also have an inclined pattern shape corresponding to the inclination angle of the partition wall 11 similarly to the partition wall 11. In this case, signals for driving the data electrodes D1 to Dm are generated by being converted by the data electrode driving circuit 23 in consideration of the shape of the inclined pattern of the data electrode 10 or the partition wall 11.
- the boundary 2b is provided substantially at the center of the back panel 2. Furthermore, the boundary that is the third region on both sides of the boundary 2b Region 2c is provided. Further, the width W3 of the horizontal partition 11c in the boundary region 2c is formed in a shape wider than the width W4 of the horizontal partition 11d in the fourth region 14c other than the boundary region 2c.
- the horizontal partition walls l lc and l id are the partition walls l lc and l id formed in a direction parallel to the long side of the back panel 2 and formed in a direction intersecting the data electrode 10. The partition walls are l lc and l id.
- the partition formed in parallel with the data electrode 10 is called a vertical partition.
- the width W3 of the horizontal partition wall 11c in the boundary region 2c is formed to be wider than the width W4 of the horizontal partition wall id in the fourth region 14c other than the boundary region 2c. ing.
- the width W3 of the horizontal partition 11c in the boundary region 2c may be formed in a shape that is narrower than the width W4 of the horizontal partition l id of the fourth region 14c other than the boundary region 2c.
- the boundary region 2c is shown as a region including the barrier ribs 11 for three rows including the barrier ribs 11 formed in the boundary portion 2b.
- the boundary region 2c is not limited to the region including the barrier ribs 11 for three rows, and may be a region including the barrier ribs 11 for five rows or seven rows.
- the width of the boundary region 2c may be appropriately determined according to the characteristics of the panel 21 such as the size and resolution of the panel 21 or the display quality.
- the partition 11 is divided into a plurality of regions in the direction Y parallel to the data electrode 10. Is formed.
- the outer shape of the partition wall 11 formed in a divided manner is different from each other at the boundary 2b of the plurality of regions.
- the plasma display panel according to Embodiment 2 of the present invention will be described with reference to FIG.
- the plasma display panel according to the second embodiment is characterized by the optical properties of the partition walls as compared with the configuration of the first embodiment.
- the plasma display panel according to the second embodiment is similarly used in the plasma display device 63 described in the first embodiment, and exhibits the same operational effects. Therefore, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- FIGS. 12A and 12B show a plasma display panel 21 according to Embodiment 2 of the present invention.
- FIG. 12C shows a back panel 2 used for the panel 21 shown in FIGS. 12A and 12B.
- FIG. 12C is an enlarged plan view of a main part of the back panel 2 showing an enlarged X portion that is substantially the center of the back panel 2 shown in FIG. 12A.
- the rear panel 2 according to the second embodiment is also divided into a plurality of regions in the direction Y parallel to the data electrodes 10 to form partition walls 11.
- the reflectance of the partition wall 11 formed in a divided manner is different between a plurality of regions. That is, the partition wall 11 according to the second embodiment has different optical properties between the plurality of regions, because the partition wall 11 formed by division is different! /
- the boundary 2b is provided substantially at the center of the back panel 2.
- a partition wall ie is formed in the left region 14a with the boundary 2b as a boundary, and a partition wall 1 If is formed in the right region 14b.
- the color of the partition wall l ie is brighter than the color of the partition wall 1 If. That is, in the left and right regions 14a and 14b, the reflectance of the partition wall ie is different from the reflectance of the partition wall 1 If.
- the reflectance of the partition wall l lg provided at the boundary portion 2b may be equal to the reflectance of the partition wall ie, or may be equal to the reflectance of the partition wall 1 If.
- the reflectance of the partition wall llg may be configured such that the reflectance on the left region 14a side of the partition wall llg and the reflectance on the right region 14b side of the partition wall 1lg are different from each other. That is, the reflectance on the left region 14a side of the partition wall llg is equal to the reflectance of the partition wall l ie, and the reflectance on the right region 14b side of the partition wall 1lg is equal to the reflectance of the partition wall 1 If. Also good. Further, the color of the partition wall 1 If may be brighter than the color of the partition wall ie.
- the partition wall 11 is divided into a plurality of regions in the direction Y parallel to the data electrode 10. Is formed.
- the reflectance of the partition wall 11 formed in a divided manner is different between a plurality of regions.
- the plasma display panel according to the present invention provides a large-screen, high-definition plasma display panel by a simple method, and is useful for display devices such as a large-screen plasma display device.
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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)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/817,183 US7830091B2 (en) | 2005-12-27 | 2006-12-26 | Plasma display panel |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005374462 | 2005-12-27 | ||
JP2005-374461 | 2005-12-27 | ||
JP2005374459 | 2005-12-27 | ||
JP2005-374462 | 2005-12-27 | ||
JP2005374461 | 2005-12-27 | ||
JP2005-374459 | 2005-12-27 |
Publications (1)
Publication Number | Publication Date |
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WO2007077803A2 true WO2007077803A2 (ja) | 2007-07-12 |
Family
ID=38228614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/325830 WO2007077803A2 (ja) | 2005-12-27 | 2006-12-26 | プラズマディスプレイパネル |
Country Status (4)
Country | Link |
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US (1) | US7830091B2 (ja) |
KR (6) | KR100895142B1 (ja) |
CN (5) | CN101728170A (ja) |
WO (1) | WO2007077803A2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009229787A (ja) * | 2008-03-24 | 2009-10-08 | Panasonic Corp | プラズマディスプレイ装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003131580A (ja) | 2001-10-23 | 2003-05-09 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
US7208876B2 (en) * | 2003-07-22 | 2007-04-24 | Samsung Sdi Co., Ltd. | Plasma display panel |
KR100589371B1 (ko) * | 2004-02-09 | 2006-06-14 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널 |
KR100560480B1 (ko) * | 2004-04-29 | 2006-03-13 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널 |
KR100927619B1 (ko) * | 2006-04-12 | 2009-11-23 | 삼성에스디아이 주식회사 | 반사 휘도를 줄인 플라즈마 디스플레이 패널 |
-
2006
- 2006-12-26 KR KR1020077014946A patent/KR100895142B1/ko not_active IP Right Cessation
- 2006-12-26 CN CN200910252998A patent/CN101728170A/zh active Pending
- 2006-12-26 KR KR1020087022820A patent/KR100905365B1/ko not_active IP Right Cessation
- 2006-12-26 WO PCT/JP2006/325830 patent/WO2007077803A2/ja active Application Filing
- 2006-12-26 KR KR1020087022821A patent/KR100905366B1/ko not_active IP Right Cessation
- 2006-12-26 CN CN200910252999A patent/CN101728171A/zh active Pending
- 2006-12-26 KR KR1020087022823A patent/KR100905579B1/ko not_active IP Right Cessation
- 2006-12-26 KR KR1020087022824A patent/KR100905580B1/ko not_active IP Right Cessation
- 2006-12-26 CN CN200910252997A patent/CN101728169A/zh active Pending
- 2006-12-26 US US11/817,183 patent/US7830091B2/en not_active Expired - Fee Related
- 2006-12-26 KR KR1020087022822A patent/KR100905578B1/ko not_active IP Right Cessation
- 2006-12-26 CN CN200910252994A patent/CN101728167A/zh active Pending
- 2006-12-26 CN CN200910252995A patent/CN101728168A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
KR20080091524A (ko) | 2008-10-13 |
KR100895142B1 (ko) | 2009-05-04 |
US7830091B2 (en) | 2010-11-09 |
KR100905580B1 (ko) | 2009-07-02 |
CN101728170A (zh) | 2010-06-09 |
KR20080091523A (ko) | 2008-10-13 |
CN101728168A (zh) | 2010-06-09 |
CN101728171A (zh) | 2010-06-09 |
CN101728167A (zh) | 2010-06-09 |
KR20070091311A (ko) | 2007-09-10 |
KR100905366B1 (ko) | 2009-07-01 |
CN101728169A (zh) | 2010-06-09 |
KR100905578B1 (ko) | 2009-07-02 |
KR20080091520A (ko) | 2008-10-13 |
KR20080091521A (ko) | 2008-10-13 |
KR20080091522A (ko) | 2008-10-13 |
US20090051288A1 (en) | 2009-02-26 |
KR100905365B1 (ko) | 2009-07-01 |
KR100905579B1 (ko) | 2009-07-02 |
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