WO2008050382A1 - Écran composé d'une pluralité de couches de tubes à décharge de gaz - Google Patents

Écran composé d'une pluralité de couches de tubes à décharge de gaz Download PDF

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Publication number
WO2008050382A1
WO2008050382A1 PCT/JP2006/321044 JP2006321044W WO2008050382A1 WO 2008050382 A1 WO2008050382 A1 WO 2008050382A1 JP 2006321044 W JP2006321044 W JP 2006321044W WO 2008050382 A1 WO2008050382 A1 WO 2008050382A1
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WIPO (PCT)
Prior art keywords
gas discharge
discharge tubes
layer
tubes
display device
Prior art date
Application number
PCT/JP2006/321044
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English (en)
Japanese (ja)
Inventor
Kenji Awamoto
Manabu Ishimoto
Hitoshi Hirakawa
Koji Shinohe
Yosuke Yamazaki
Original Assignee
Shinoda Plasma Co., Ltd.
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.)
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Application filed by Shinoda Plasma Co., Ltd. filed Critical Shinoda Plasma Co., Ltd.
Priority to JP2008540813A priority Critical patent/JPWO2008050382A1/ja
Priority to PCT/JP2006/321044 priority patent/WO2008050382A1/fr
Publication of WO2008050382A1 publication Critical patent/WO2008050382A1/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
    • H01J11/20—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
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • H01J11/18—AC-PDPs with at least one main electrode being out of contact with the plasma containing a plurality of independent closed structures for containing the gas, e.g. plasma tube array [PTA] display panels

Definitions

  • Display device comprising a multi-layer gas discharge tube
  • the present invention relates to a display device, and more particularly to a display device that displays a desired image by arranging a plurality of elongated gas discharge tubes in parallel.
  • Japanese Patent Laid-Open No. 2003-86141 discloses a display in which a gas discharge is generated by applying a voltage from an external electrode, and a plurality of gas discharge tubes that emit light by phosphors arranged inside are arranged side by side. A device is proposed.
  • Patent Document 1 Japanese Patent Laid-Open No. 2003-86141
  • Such a display device includes a gas discharge tube in which a discharge gas is sealed and a phosphor layer is formed, two supports that are in contact with the gas discharge tube and support the gas discharge tube, These electrodes are arranged on the gas discharge tube facing surface of the support, and are composed of a plurality of electrodes that perform display by applying a voltage from the outside to the discharge tube to generate discharge in the discharge tube.
  • Japanese Patent Application Laid-Open No. 11-214150 describes a multicolor or full color electroluminescent display panel.
  • a striped transparent anode is formed on a transparent substrate unit of a polymer film having a hydrophobic surface, and a monochromatic fluorescent organic layer is formed on the transparent anode in a direction perpendicular to the striped transparent anode.
  • a striped metal cathode having a light emission width of 1 Z2 or less of the entire color emission width of the pixel is formed, and each monochromatic panel unit is laminated and bonded and integrated so that the striped metal cathodes do not overlap each other. It is capable of large screens and is easy to manufacture.
  • Patent Document 2 JP-A-11 214150
  • Japanese Unexamined Patent Application Publication No. 2005-71693 describes a light emitting device.
  • the light emitting device at least two light emitting panels capable of emitting both sides of power, preferably three single color light emitting panels of R, G, and B, are stacked to obtain one full color display image.
  • Patent Document 3 Japanese Patent Laid-Open No. 2005-71693
  • the inventors have recognized that a plurality of elongated gas discharge tubes can be arranged in multiple layers to increase the resolution in a direction perpendicular to the gas discharge tubes in the display device.
  • An object of the present invention is to increase the resolution in the direction perpendicular to the gas discharge tube in the color display device.
  • the color display device has a multi-layer gas discharge tube force, and the plurality of gas discharge tubes in each layer of the multi-layer gas discharge tube are juxtaposed and supported on the front side. It is sandwiched between the plate and the back support plate.
  • the plurality of gas discharge tubes are internally formed with phosphor layers made of different materials depending on the color and filled with a discharge gas, each having a plurality of light emitting points in the longitudinal direction.
  • a plurality of pairs of display electrodes are arranged on the display surface side of the tube, and a plurality of signal electrodes are arranged on the back side of the plurality of gas discharge tubes.
  • the first layer of the multiple layers of gas discharge tubes includes a first plurality of gas discharge tubes having a phosphor layer that also has a first material force.
  • the second layer in the multi-layer gas discharge tube includes a second plurality of gas discharge tubes having a phosphor layer having a second material force different from that of the first material.
  • the resolution in the direction perpendicular to the gas discharge tube in the color display device is increased. It can be done.
  • FIG. 1 exemplifies a schematic partial structure of an array unit of a plasma tube or a gas discharge tube for a normal color display device.
  • FIG. 2A shows a front-side support substrate on which a plurality of transparent display electrode pairs 2 are formed.
  • FIG. 2B shows a back side support substrate on which a plurality of signal electrodes 3 are formed.
  • FIG. 3 shows the structure of a cross section perpendicular to the longitudinal direction of the tubes of the plasma 'tube' array of the PTA unit.
  • Figure 4 shows the electrical connection of the X electrode driver device, Y electrode driver device, and address electrode driver circuit of a normal display device! /
  • FIG. 5 shows an example of a schematic drive sequence of output drive voltage waveforms of an X electrode driver circuit board, a Y electrode driver circuit, and an address' driver circuit in a normal display device.
  • Fig. 6 shows the horizontal and vertical dimensions of the part of the PTA unit of Fig. 1 as seen from the display surface side force.
  • FIG. 7 shows the structure of a cross section perpendicular to the longitudinal direction of the tubes of a plasma 'tube' array (PTA) unit according to an embodiment of the present invention.
  • FIG. 8 shows a structure of a cross section perpendicular to the longitudinal direction of a tube of a PTA unit according to another embodiment of the present invention.
  • FIG. 9 is different from FIG. 7 in that the PTA unit front-side support substrate and its display electrode lead-out portion, its right-side end and its left-side end, and each front-side support substrate are connected.
  • the arrangement of X electrode driver devices and different Y electrode driver devices is shown.
  • FIG. 10 Front-side support substrate of each layer of PTA unit in FIG. 10 and FIG. 7 and its right-side end and its left-side end that are the display electrode lead-out portions, and different X connected to each front-side support substrate The arrangement of electrode driver devices and different Y electrode driver devices is shown.
  • Fig. 11 shows the front support substrate of each layer of the PTA unit in Fig. 7 and its display electrode lead-out.
  • the right and left ends which are the right and left ends, and the arrangement of different X electrode driver devices and different Y electrode driver devices connected to the respective front side support substrates are shown.
  • FIG. 12 shows the structure of a cross section perpendicular to the longitudinal direction of the tube of the PTA unit according to still another embodiment of the present invention! / Speak.
  • FIG. 13 shows the structure of a cross section perpendicular to the longitudinal direction of the tube of the PTA unit according to still another embodiment of the present invention! / Speak.
  • FIG. 14 shows a cross-sectional structure perpendicular to the longitudinal direction of the tube of the PTA unit according to still another embodiment of the present invention! / Speak.
  • FIG. 15 shows a configuration of an X electrode driver device and a Y electrode driver device used for the PTA unit of FIG.
  • FIGS. 16A and 16B show a method for manufacturing a PTA unit having a structure similar to that of the PTA unit of FIG.
  • FIG. 1 illustrates a schematic partial structure of a unit 300 of an array of plasma 'tubes or gas discharge tubes 11R, 11G and 11B for a conventional color display!
  • a plasma 'tube' array (PTA) unit 300 consists of an array of transparent elongated color 'plasma' tubes 11R, 11G and 11B, a transparent front support sheet or Thin substrate force front support substrate 31, transparent or non-transparent back support sheet or thin substrate force back support substrate 32, multiple display electrode pairs or main electrode pair 2, and multiple signal electrodes or Address electrode 3 is included.
  • X indicates a sustain electrode or X electrode of the display electrode 2
  • Y indicates a scan electrode or Y electrode of the display electrode 2.
  • R, G, and B indicate red, green, and blue emission colors of the phosphor.
  • the support substrates 31 and 32 are made of, for example, a flexible PET film or glass.
  • Elongated plasma 'tubes 11R, 11G and 11B tubules 20 Made of a transparent insulator such as Lass, Pyrex®, soda glass, quartz glass or zerodur, typically with a tube diameter of 2 mm or less, for example, a cross-sectional width of about lmm and The height is a flat type slightly smaller than the width, the length is 300 mm or more, and the thickness of the tube wall is about 0.1 mm.
  • a transparent insulator such as Lass, Pyrex®, soda glass, quartz glass or zerodur
  • Plasma 'tubes 11R, 11G, and 1 IB are formed with red, green, and blue (R, G, B) phosphor layers 4 on the back side of the inside, and discharge gas is introduced to seal both ends. It has been done.
  • An electron emission film 5 made of MgO is formed on the inner surfaces of the plasma tubes 11R, 11G, and 11B.
  • the phosphor layers R, G, B typically have a thickness in the range of about 10 m to about 50 m.
  • the phosphor layers R, G, and B are formed by a method known in the art such as a sedimentation method.
  • the electron emission film 5 generates electrons by collision with the charged particles of the discharge gas.
  • the phosphor layer 4 is excited by vacuum ultraviolet light generated by de-excitation of the discharge gas enclosed in the tube excited by applying a voltage to the display electrode pair 2, and generates visible light.
  • FIG. 2A shows a front-side support substrate 31 on which a plurality of transparent display electrode pairs 2 are formed.
  • FIG. 2B shows a back side support substrate 32 on which a plurality of signal electrodes 3 are formed.
  • the signal electrode 3 is formed on the front surface, that is, the inner surface of the back-side support substrate 32, and is provided along the longitudinal direction of the plasma tubes 11R, 11G, and 1IB.
  • the pitch between the adjacent signal electrodes 3 is substantially the same as the width of each of the plasma tubes 11R, 11G, and 1IB, for example, lmm.
  • the plurality of display electrode pairs 2 are formed on the back surface, that is, the inner surface of the front side support substrate 31 in a well-known form, and are arranged in a direction perpendicular to the signal electrode 3.
  • the width of the display electrode 2 is, for example, 0.75 mm, and the distance between the edges of each pair of display electrodes 2 is, for example, 0.4 mm.
  • a distance serving as a non-discharge region or a non-discharge gap is secured between the display electrode pair 2 and the adjacent display electrode pair 2, and the distance is, for example, 1. lmm.
  • the signal electrode 3 and the display electrode pair 2 are brought into contact with the lower outer peripheral surface portion and the upper outer peripheral surface portion of the plasma tubes 11R, 11G, and 11B when the PTA unit 300 is assembled.
  • the intersection between the signal electrode 3 and the display electrode pair 2 is a unit light emitting region.
  • one of the display electrode pairs 2 is used as the scan electrode Y, a selective discharge is generated at the intersection of the scan electrode Y and the signal electrode 3, and a light emitting region is selected.
  • a display discharge is generated at the display electrode pair 2 and the phosphor layer emits light.
  • the selective discharge is a counter discharge generated in the plasma tubes 11R, 11G, and 1IB between the scanning Y electrode and the signal electrode 3 facing each other in the vertical direction.
  • the display discharge is a surface discharge generated in the plasma tubes 11R, 11G, and 11B between a pair of display electrodes arranged in parallel on a plane.
  • the display electrode pair 2 and the signal electrode 3 can generate a discharge in the discharge gas inside the tube by applying a voltage.
  • the electrode structure of plasma 'tubes 11R, 11G and 11B is a structure in which three electrodes are arranged in one light emitting part, and the display discharge is generated by display electrode pair 2.
  • the display electrode 2 and the signal electrode 3 may have a structure in which display discharge is generated. That is, the display electrode pair 2 may be one, and the display electrode 2 may be used as a scanning electrode to generate a selective discharge and a display discharge (opposite discharge) between the display electrode 2 and the signal electrode 3. ⁇ .
  • FIG. 3 shows the structure of the cross section perpendicular to the longitudinal direction of the tubes of the plasma “tube” array 11 of the PTA unit 300.
  • the plasma tubes 11R, 11G, and 1IB have phosphor layers 4R, 4G, and 4B formed on their inner surfaces, with a cross-sectional width of 1. Omm, a cross-sectional height of 0.7 mm, It consists of thin tubes with a thickness of 0.1 mm and a length of lm to 3 m.
  • the red phosphor 4R contains a yttria-based ((Y. Ga) BO: Eu) material.
  • the green phosphor 4G contains a zinc silicate (Zn SiO: Mn) material and is a blue phosphor.
  • a back-side support substrate 32 is bonded to the bottom surfaces of the plasma tubes 11R, 11G, and 11B via an adhesive layer.
  • Signal electrodes 3R, 3G, and 3B are arranged on the bottom surfaces of the plasma tubes 11R, 11G, and 11B and on the top surface of the back support substrate 32. Also, the signal electrodes 3R, 3G and 3B are connected to the plasma tube 11R, 11 May form directly on bottom of G and 1 IB.
  • FIG. 4 shows electrical connections of the X electrode driver device 500, the Y electrode driver device 700, and the address electrode driver circuit 46 of the normal display device 10.
  • n pairs of display electrodes 2 (XI, Yl),..., (Xj, Yj),... (Xn, Yn) of the plasma “tube” array 11 are connected to the front-side support substrate 31.
  • the end 71 is connected to the scanning pulse circuit 70 of the ⁇ electrode driver device 700.
  • the sustain voltage pulse circuit 60 for the heel electrode of the heel electrode driver device 700 is connected to the scan pulse circuit (SC ⁇ ) 70 via a flexible cable.
  • the m signal electrodes 3 Al,..., A... Am of the plasma 'tube' array 11 are connected to an address' driver circuit 46 from the lower end portion divided into a plurality of parts.
  • the X electrode driver device 5 further includes a reset circuit 51.
  • the Y electrode driver device 700 further includes a reset circuit 61.
  • the driver control circuit 42 is connected to the X electrode driver device 500, the Y electrode driver device 700, and the address' driver circuit 46.
  • One picture is typically composed of one frame period.
  • one frame is composed of two fields, and in progressive scanning, one frame is composed of one field. .
  • 1 field F is set to q subfields SF.
  • the number of display discharges in each subfield SF is set by giving different weights such as 2 °, 2 1 , 2 2 , ...
  • the field period Tf which is the field transfer period, is divided into q subfield periods Tsf according to such a field configuration, and one subfield period Tsf is assigned to each subfield SF. Further, the subfield period Tsf is changed to a reset period TR for initialization, It is divided into an address period TA for addressing and a display period TS for light emission by sustain discharge.
  • the length of the reset period TR and the address period TA is constant regardless of the weight, while the number of pulses in the display period TS increases as the weight increases, and the length of the display period TS increases in weight. So long. In this case, the length of the subfield period T sf is longer as the weight of the corresponding subfield SF is larger.
  • FIG. 5 exemplifies schematic drive sequences of output drive voltage waveforms of the X electrode driver circuit board 500, the Y electrode driver circuit 700, and the address' driver circuit 42 in the normal display device 10.
  • the waveform shown is an example, and the amplitude, polarity, and timing can be changed in various ways.
  • the order of the reset period TR, the address period TA, and the sustain period TS is the same in the q subfields SF, and the drive sequence is repeated for each subfield SF.
  • a negative polarity pulse Prxl and a positive polarity pulse Prx2 are sequentially applied to all the display electrodes X, and a positive polarity pulse Pry is applied to all the display electrodes Y. 1 and negative polarity pulse Pry2 are applied in order.
  • Pulses Prxl, P ryl and Pry2 are ramp waveforms or blunt pulses whose amplitude gradually increases with the rate of change at which a microdischarge occurs.
  • the first applied pulses Prxl and Pryl are applied once to generate moderate wall charges of the same polarity in all discharge cells regardless of light emission Z non-light emission in the previous subfield SF. Subsequently, by applying pulses Prx2 and Pry2 to the discharge cells where moderate wall charges are present, the wall charges are adjusted so as to be reduced to a level where they are not redischarged by the sustain pulses (erased state).
  • the drive voltage applied to the cell is a composite voltage representing the difference in the amplitude of the pulses applied to the display electrodes X and Y.
  • the wall charge necessary for maintaining the discharge is formed only in the discharge cells that emit light.
  • the negative polarity scan 'pulse' is applied to the display electrode Y corresponding to the selected row for each row selection period (scanning time for one row). Apply Vy.
  • the address pulse Va is applied only to the address electrode A corresponding to the selected cell that should generate the address discharge. That is, based on the subfield data Dsf for m columns of the selected row j, the address electrodes A to
  • a sustain pulse Ps having a polarity (positive polarity in the example shown in the figure) that is first added to the wall charge generated in the previous address discharge to generate a sustain discharge is applied.
  • the sustain pulse Ps is alternately applied to the display electrode X and the display electrode Y.
  • the amplitude of the sustain pulse Ps is the sustain voltage Vs.
  • the sustain pulse Ps By applying the sustain pulse Ps, a surface discharge is generated in the discharge cell in which a predetermined wall charge remains.
  • the number of times that the sustain pulse Ps is applied corresponds to the weight of the subfield SF as described above.
  • the address electrode A may be biased to a voltage Vas having the same polarity as the sustain pulse Ps.
  • FIG. 6 shows the horizontal and vertical dimensions of a part of the PTA unit 300 of FIG. 1 as viewed from the display surface side.
  • the PTA unit 300 has a tube width d ((e.g., 1. Omm), e.g., a tube wall thickness of 0.08 mm, a tube horizontal opening width Lh (e.g., 0.7 to 0.75 mm). ), A horizontal non-emission width d—Lh (for example, 0.25 to 0.3 mm)
  • the PTA unit 300 is also a non-display area in which black stripes are formed to prevent reflection of external light. 26, vertical aperture width Pv (e.g. 1. Omm), vertical line pitch Pv (e.g. 3.
  • horizontal pixel 'pitch Ph (For example, 3. Omm)
  • the area surrounded by a broken line shows the arrangement of one pixel.
  • Transparent electrodes 24 and 25 typically have a transmittance of 90% or more, eg, 98%. It has transmittance.
  • the vertical line pitch Pv is such that unnecessary discharge does not occur in the non-display area 26. Should be reduced.
  • the width d or outer diameter of the glass tube may be reduced.
  • the horizontal opening width Lh is determined by the width of the phosphor excluding the thickness of the plasma tube 11.
  • the glass tube width d or the outer diameter is reduced, it becomes difficult to form the phosphor layer and the discharge protective film in the thin tube 20 during the manufacturing process. Considering the strength of the glass of the plasma 'tube 11, it is difficult to reduce the wall thickness.
  • the horizontal aperture ratio (LhZd) decreases and the brightness decreases.
  • FIG. 7 shows the structure of a cross section perpendicular to the longitudinal direction of the tubes of a plasma tube array (PTA) unit 310 according to an embodiment of the present invention!
  • the Dinghao 310 has a three-layer force of layers 1, 2 and 3 in order from the display surface side.
  • the PTA mute 310 is composed of a plurality of plasmas constituting layer 1 and supported between the front support substrate 31G and the back support substrate 32 and arranged substantially in parallel at equal intervals with a space between each other.
  • 11 R And has.
  • each of layers 1, 2 and 3 is, for example, 0.7 to 1. Omm.
  • the front side support substrates 31G, 31B and 31R, the back side support substrate 32, and the adhesive layer 21 are transparent.
  • the light intensity of the plasma tube 11B of the layer 2 is slightly lowered by passing through the substrates 32 and 31B and the transparent display electrode 2 between the layers 1 and 2.
  • Layer 3 plasma 'tube 11R is larger and slightly light intensity by passing through substrate 32, 31B and 31R and transparent display electrode 2 between layers 1 and 2 and between layers 2 and 3 Decreases.
  • the display electrode pairs 2 of the front support substrates 31G, 31B, and 31R are arranged so as to vertically overlap the same positions of the corresponding pixels on the surfaces of the layers 1, 2 and 3 of the PTA unit 310.
  • PTA unit 310's layer 1 plasma tube 11G, layer 2 plasma tube 11B and layer 3 plasma 'tube 11R are typically wide at the left and right sides as viewed from the display side. They are arranged so as to overlap each other by (d—Lh).
  • the PTA unit 310 can reduce the horizontal width of a pixel, typically by a maximum of 3 (d—Lh) per pixel.
  • the horizontal pitch Ph of the plasma tube 11R, 11G or 11B has a predetermined value less than 3 times the tube width d, for example 2.ld to 2.4d .
  • Plasma 'Tube 11R, 11G and 11B display surface They are arranged at equal intervals when viewed from the side. Thereby, the horizontal resolution of the display image of the PTA unit 310 can be increased.
  • FIG. 8 shows a cross-sectional structure perpendicular to the longitudinal direction of the tube of the PTA unit 312 according to another embodiment of the present invention.
  • a PTA unit 312 is obtained by removing the back side support substrate 31R of the layer 3 of the PTA unit 310 of FIG.
  • Fig. 9 shows the front side support substrates 31G, 31B and 31R of each layer 1, 2 and 3 of the PTA unit 310 in Fig. 7 and the right end 53G, 53B, 53R and the left end of the display electrode lead-out portion.
  • 71G, 71B, 71R, and different X electrode driver devices 500G, 500B, 500R and different Y electrode driver devices 700G, 700B, 700R connected to their respective front support boards 31G, 31B, and 31R are shown.
  • X electrode driver device 500G, 500B, 500R and Y electrode dry device 700G, 700B, 700R [Thus, different colors of plasma tube 'arrays 11G, 1 IB and 11R with different voltage sustaining noise Can be applied.
  • the right end portion 53G and the left end portion 71G of the front side support substrate 31G are located in the upper part of the front side support substrate 31G.
  • the right end 53B and the left end 71B of the front side support substrate 31B are located at the center of the front side support substrate 31B.
  • the right end portion 53R and the left end portion 71R of the front side support substrate 31R are located in the lower part of the front side support substrate 31R.
  • the X electrode of the display electrode pair 2 of the plasma 'tube' array 11G is connected to the X electrode driver device 500G via the flexible cable, and the right end 53G force of the front support substrate 31G divided into multiple Y
  • the electrodes are connected to the Y electrode driver device 700G from the left end 71G divided into a plurality of front side support substrates 31G.
  • the X electrode of the display electrode pair 2 of the plasma 'tube' array 11B is connected to the X electrode driver device 500B via the flexible 'cable from the right end 53B of the front support substrate 31B divided into multiple parts.
  • the Y electrode is connected to the Y electrode driver device 700B from the left end portion 71B of the front support substrate 31B divided into a plurality of parts.
  • the X electrode of the display electrode pair 2 of the plasma tube array 11R is connected to the X electrode driver device 500R via the flexible cable from the right end 53R of the front support substrate 31R divided into multiple pieces, and the Y electrode Is connected to the Y electrode driver device 700R from the left end 71R of the front support substrate 31R divided into multiple parts. It is.
  • FIG. 10 shows the front side support substrates 31G, 31B and 31R of the respective layers 1, 2 and 3 of the PTA unit 310 of FIG. 7 and their right end portions 53G, 53B, 53R and the display electrode lead-out portions.
  • the left end portions 71G, 71B, 71R, and the arrangement of the X electrode driver device 500 and the Y electrode driver device 700 connected to the respective front side support substrates 31G, 31B, and 31R are shown.
  • a common X electrode driver device 500 and a Y electrode driver device 700 can be provided to apply a common sustain pulse Ps to the plasma 'tube' arrays 11G, 11B and 11R of different colors.
  • Front-side support board 31G having right end 53G and left end 71G
  • front-side support board 31B having right end 53B and left end 71B
  • front support having right end 53R and left end 71R
  • the substrate 31R has substantially the same shape and display electrode arrangement.
  • the X electrode of the corresponding display electrode pair 2 of the plasma tube 'array 11G, 1 IB and 11R is flexible from the right end 53G, 53B and 53R divided into a plurality of front support substrates 31G, 31B and 31R.
  • the Y electrode is connected to the X electrode driver device 500 via a cable, and the Y electrode is connected to the Y electrode driver device 700 from the left end 71G, 71B and 71R of the front support substrate 31G, 31B and 31R. Connected to.
  • FIG. 11 shows a modification of the PTA unit 310 of FIGS. 9 and 10, and the front support substrates 31G, 3 IB and 31R of the respective layers 1, 2 and 3 of the PTA unit 310 of FIG.
  • 500B, 500R and different Y electrode driver devices 700G, 700B, 700R arrangements are shown.
  • Front side support board 31G having right end 53G and left end 71G
  • front side support board 31B having right end 53B and left end 71B
  • front side having right end 53R and left end 71R
  • the support substrate 31R has substantially the same shape and display electrode arrangement as in the case of FIG.
  • the front side support substrate 31G is connected to the X electrode driver device 500G and the lower electrode driver device 700G, and the front side support substrate 31B is connected to the X electrode driver device 500B and the Y electrode driver.
  • the front support board 31R connected to the device 700B Connected to pole driver device 500R and Y electrode driver device 700R.
  • FIG. 9- In L1, the signal electrodes 3 of the plasma 'tube' arrays 11G, 1 IB and 11R arranged at different positions in each layer are composed of three layers as in FIG. The lower end force of the superimposed address' is connected to the driver circuit (46) (not shown).
  • FIG. 12 shows a cross-sectional structure perpendicular to the longitudinal direction of the tube of the PTA unit 318 according to still another embodiment of the present invention.
  • the PTA unit 318 is composed of two layers of layer 1 and layer 2 in order of the display surface side force.
  • the PTA unit 318 includes a plurality of plasma tubes 11G that constitute layer 1 and are supported between the front-side support substrate 31G and the back-side support substrate 32, and are arranged at substantially equal pitches at regular intervals.
  • the plasma 'tube 11B and the plasma tube 11R are arranged adjacent to each other.
  • the right and left sides of the PTA unit 318 layer 1 plasma tube 11G are viewed from the display surface side, and the right side of the layer 2 plasma tube 11R and the left side of the plasma tube 11B It is arranged to overlap.
  • the horizontal pitch Ph of the plasma tube 11R, 11G or 11B has a predetermined value less than 3 times the tube width d, for example 2.5d to 2.7d. .
  • the PTA unit 318 can reduce the horizontal width of the pixel by 2 (d—Lh) per pixel.
  • the shapes of the front side support substrates 31G and 31BR may be the same as those of any of the front side support substrates 31G and 31R in FIG.
  • FIG. 13 shows a cross-sectional structure perpendicular to the longitudinal direction of the tube of the PTA unit 320 according to still another embodiment of the present invention.
  • the PTA unit 320 is also composed of two layers, layer 1 and layer 2.
  • the PTA unit 320 includes a plurality of plasma tubes 11G that constitute layer 1 and are supported between the front-side support substrate 31G and the back-side support substrate 32 and spaced from each other at an equal pitch, and layer 2 A plurality of plasma tubes 11B and 11R, which are configured and supported between the front side support substrate 31RB and the back side support substrate 32 and are alternately arranged at equal pitches at intervals from each other, are provided.
  • Front side support boards 31G and 31RB are shaped as shown in Fig. 9 ⁇ : L 1 It may be the same as any of the front side support substrates 31G and 31R.
  • the number of plasma tubes 11B is generally equal to the number of plasma tubes 11R.
  • the number of plasma 'tubes 11G is generally twice the number of plasma' tubes 11B or 11R, more than the number of plasma 'tubes 11B and more than the number of plasma' tubes 11R.
  • the density and resolution of plasma 'tube 11G is higher than the density and resolution of plasma' tube 11B, and is generally twice the density and resolution of plasma 'tube 11R or higher than the density and resolution of plasma' tube 11R ' . Accordingly, since the green component occupies a large portion of the luminance, the number of plasma tubes 11G is large, and the resolution of the luminance signal of the PTA unit 320 is relatively high.
  • the PTA unit 320's layer 1 plasma tube 11G, layer 2 plasma tube 11B and plasma 'tube 11R typically have a maximum width (d—Lh ) Are arranged so as to overlap each other.
  • the horizontal pitch Ph of the plasma tube 11G has a predetermined value smaller than twice the tube width d, for example, 1.7d to l.75d.
  • the horizontal pitch Ph of the plasma tube 11G or 11B has a predetermined value smaller than 4 times the tube width d, and is, for example, 3.4d to 3.5d.
  • one plasma tube 11G emission point and a part of the emission points of the plasma tubes 11R and 11B on the left and right sides constitute one horizontal pixel.
  • FIG. 14 shows a cross-sectional structure perpendicular to the longitudinal direction of the tube of the PTA unit 322 according to still another embodiment of the present invention.
  • the PTA unit 320 is also composed of two layers.
  • the PTA unit 322 is composed of a plurality of plasma tubes 11G and 11B that constitute layer 1 and are supported between the front-side support substrate 31GB and the rear-side support substrate 32 and spaced from each other at an equal pitch. 1 and a plurality of plasma tubes 11R supported between the front-side support substrate 31R and the back-side support substrate 32 and spaced apart from each other!
  • the plasma tube 11G and the plasma tube 11B are arranged adjacent to each other.
  • Layer 2 plasma tube 11R of PTA unit 322 has its left and right side portions viewed from the display surface side, layer 1 plasma tube 11B right side portion and plasma tube 11G left side portion It is arranged to overlap.
  • the horizontal pitch Ph of the plasma tube 11R, 11G or 11B has a predetermined value smaller than 3 times the tube width d, for example, 2.5d to 2.7d.
  • the PTA unit 322 can reduce the horizontal width of the pixel by 2 (d—Lh) per pixel.
  • the shape of the front side support substrates 31GB and 31R may be the same as that of any of the front side support substrates 31G and 31R in FIG.
  • the arrangement of both the plasma tubes 11G and 11B in layer 1 increases the intensity of the blue light compared to the PTA unit 318 in FIG. The color temperature can be increased.
  • FIG. 15 shows a configuration of the X electrode driver device 500 and the Y electrode driver device 700 used in the PTA unit 318 of FIG.
  • Plasma tube array 11G display electrode pair 2 X electrode is flexible on the right side of the front support substrate 31 G divided into multiple X 'electrode driver device via cable Connected to sustain voltage pulse circuit 50G in 500, and its Y electrode is connected to sustain voltage pulse circuit 60G in Y electrode driver device 700 from the left end divided into a plurality of front support board 31G .
  • Plasma tube 'Display of arrays 11B and 11R The X electrode of electrode pair 2 is the sustain voltage pulse in X electrode driver device 500 through the flexible' cable from the right end of the front support substrate 31BR divided into multiple pieces.
  • the Y electrode is connected to the circuit 50BR, and the Y electrode is connected to the sustain voltage NOR circuit 60BR in the Y electrode driver device 700 from the left end of the front support substrate 31BR divided into a plurality.
  • the X electrode driver device 500 and the Y electrode driver device 700 in FIG. 15 can be applied to the PTA unit 320 in FIG. 13 and the PTA unit 322 in FIG.
  • FIGS. 16A and 16B show a method of manufacturing a PTA unit 324 having a structure similar to the PTA unit 310 of FIG.
  • plasma 'tubes 11R, 11G, 1 for accommodating IB A jig 33 having parallel grooves arranged at a required interval is prepared.
  • the jig 33 has a flat upper surface between adjacent grooves, and the groove depth of the jig 33 is slightly smaller than the vertical thickness of the outer shape of the plasma tube 11 in the direction perpendicular to the layer.
  • the front-side support substrate 31R, 31G or 31B and the upper surface of the plasma tube 11R, 11G or 1IB are well bonded.
  • the front side support substrate 31R, 31G or 3IB forms a protrusion (ridge) 319 at the position of the upper surface of the plasma tube 11R, 11G or 11B, and the contact area or adhesion area between the two becomes large.
  • the assembled front side support substrate 31G and the layer portion of the plasma 'tube 11G 1 are taken out from the jig 33.
  • the assembled front side support substrate 31B and the layer 2 portion of the plasma tube 11B and the assembled front side support substrate 31R and the layer portion of the plasma 'tube 11R are produced in the same procedure.
  • the adhesive layer 34 is formed on the upper surfaces of the front side support substrates 31B and 31R.
  • the plasma tube 11G of layer 1 is placed on the front support substrate 31B of layer 2, and the bottom right corner of the plasma tube 11G is the left slope of the protrusion 319 of the front support substrate 31B.
  • the plasma 'tube 11G and the front-side support board 31B are aligned and bonded together by touching them.
  • Layer 2 plasma 'Plasma 11' is placed on the front support substrate 31R of layer 3 and the bottom right corner of the plasma 'tube 11G is applied to the left slope of the protrusion 319 of the front support substrate 31R. Align and bond tube 11G and front support substrate 31R.
  • the plasma 3 tube 11R of layer 3 is bonded onto the back side support substrate 32R on which the adhesive layer 34 is formed.
  • the front side support substrates 31B of the front side support substrates 31G and 31B also serve as the back side support substrates.
  • the thickness of the PTA unit 324 is reduced.
  • the plasma tube 'array is arranged in multiple layers.
  • the horizontal resolution can typically be increased by up to about 20-30%, and different drive voltages can be applied to each color plasma tube array.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

La présente invention concerne un écran couleur (310) composé d'une pluralité de couches de tubes à décharge de gaz (11G, 11B, 11R), la pluralité de tubes à décharge de gaz étant juxtaposée et coincée par une plaque de support avant (31) et une plaque de support arrière (32) dans chaque couche de tubes à décharge de gaz. Chacun des tubes à décharge de gaz est équipé à l'intérieur de couches de phosphore (4G, 4B, 4R) composées de différents matériaux dépendants de la couleur et remplies d'un gaz de décharge. Le tube à décharge de gaz présente une pluralité de points luminescents dans la direction longitudinale et une pluralité de paires d'électrodes d'affichage (2) est disposée du côté de la surface de l'écran sur les tubes à décharge de gaz, tandis qu'une pluralité d'électrodes à signaux (3) est disposée du côté arrière des tubes à décharge de gaz. La première couche parmi les couches de tubes à décharge de gaz comprend une pluralité de premiers tubes à décharge de gaz (11G) ayant une couche de phosphore composée d'un premier matériau. La deuxième couche parmi les couches de tubes à décharge de gaz comprend une pluralité de deuxièmes tubes à décharge de gaz (11B) ayant une couche de phosphore composée d'un deuxième matériau différent du premier matériau.
PCT/JP2006/321044 2006-10-23 2006-10-23 Écran composé d'une pluralité de couches de tubes à décharge de gaz WO2008050382A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008540813A JPWO2008050382A1 (ja) 2006-10-23 2006-10-23 複数層のガス放電管からなる表示装置
PCT/JP2006/321044 WO2008050382A1 (fr) 2006-10-23 2006-10-23 Écran composé d'une pluralité de couches de tubes à décharge de gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/321044 WO2008050382A1 (fr) 2006-10-23 2006-10-23 Écran composé d'une pluralité de couches de tubes à décharge de gaz

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WO2008050382A1 true WO2008050382A1 (fr) 2008-05-02

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495568A (fr) * 1972-05-04 1974-01-18
JPS5066154A (fr) * 1973-10-11 1975-06-04
JPS5115386Y1 (fr) * 1975-04-17 1976-04-23
JPS5314463U (fr) * 1976-07-19 1978-02-06
JPS5668964U (fr) * 1979-10-29 1981-06-08
JPH02155145A (ja) * 1988-12-07 1990-06-14 Fujitsu General Ltd プラズマディスプレイパネル
JPH0963486A (ja) * 1995-08-28 1997-03-07 Oki Electric Ind Co Ltd ガス放電表示装置及び該装置に用いるセルの形成方法
JP2003086142A (ja) * 2001-09-13 2003-03-20 Fujitsu Ltd 表示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495568A (fr) * 1972-05-04 1974-01-18
JPS5066154A (fr) * 1973-10-11 1975-06-04
JPS5115386Y1 (fr) * 1975-04-17 1976-04-23
JPS5314463U (fr) * 1976-07-19 1978-02-06
JPS5668964U (fr) * 1979-10-29 1981-06-08
JPH02155145A (ja) * 1988-12-07 1990-06-14 Fujitsu General Ltd プラズマディスプレイパネル
JPH0963486A (ja) * 1995-08-28 1997-03-07 Oki Electric Ind Co Ltd ガス放電表示装置及び該装置に用いるセルの形成方法
JP2003086142A (ja) * 2001-09-13 2003-03-20 Fujitsu Ltd 表示装置

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