CN103794439A - Gas discharge device - Google Patents
Gas discharge device Download PDFInfo
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- CN103794439A CN103794439A CN201110459559.7A CN201110459559A CN103794439A CN 103794439 A CN103794439 A CN 103794439A CN 201110459559 A CN201110459559 A CN 201110459559A CN 103794439 A CN103794439 A CN 103794439A
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- discharge device
- gas discharge
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Abstract
The invention discloses a gas discharge device. The gas discharge device comprises a front substrate portion and a rear substrate portion which are oppositely arranged, wherein the front substrate portion comprises a front substrate, a discharge electrode extending along a front surface of the front substrate, a first insulation layer covering the front surface of the front substrate and the discharge electrode, and a medium protection film arranged at a rear surface of the front substrate, the rear substrate portion comprises a rear substrate of which a front surface is provided with a barrier wall, an addressing electrode extending along a rear surface of the rear substrate and being in a direction in parallel with the barrier wall, and a second insulation layer covering the rear surface of the rear substrate and the addressing electrode, a side wall of the barrier wall is internally provided with a phosphor powder layer, the barrier wall is perpendicular to the discharge electrode, the front substrate is taken as a support structure and further can be directly taken as a medium layer, compared with the prior art, thickness of the gas discharge device can be reduced to a great degree.
Description
Technical field
The present invention relates to gas discharge technical field, in particular to a kind of gas discharge device.
Background technology
Commercially available plasma display (PDP) commodity of most are surface discharge structure, conventionally have structure as Figure 1-3.
Fig. 1 is the partial structurtes perspective view of traditional AC type color plasma display 100 '.PDP 100 ' comprises a slice prebasal plate portion 103 ' and a slice metacoxal plate portion 106 '.Prebasal plate portion 103 ' comprises the prebasal plate 110 ' being made up of glass, maintains electrode 111 ' and scan electrode 112 ', and wherein each pixel includes and maintains electrode and scan electrode.On prebasal plate 103 ', also comprise dielectric layer 113 ' and medium protective layer 114 ', medium protective layer 114 ' is generally magnesium oxide layer.
Metacoxal plate portion 106 ' comprises the metacoxal plate 115 ' being made up of glass, is provided with a lot of hurdle shape addressing electrodes 116 ' above.The electrode 116 ' of addressing covers one deck dielectric layer 117 ' above.Barrier 118 ' is separated prebasal plate portion 103 ' and metacoxal plate portion 106 ', red fluorescence bisque 120 ', and green phosphor layer 121 ' and blue phosphor layer 122 ' are positioned at dielectric layer top, in the sidewall of barrier 118 '.Each pixel of PDP is defined as maintaining electrode 111 ' and a line scan electrode 112 ' by a line, near the region crosspoint of they and three row addressing electrodes 116 ' forms, each pixel packets is containing a red fluorescence bisque 120 ', one green phosphor layer 121 ', and a blue phosphor layer 122 '.
Fig. 2 is PDP100 ' part sectioned view, perpendicular to the short side direction of addressing shown in Fig. 1 (ADD) electrode 116 '.Concrete, corresponding to the complete sub-pixel 200 ' of green phosphor layer 121 '.As with reference to figure 2, at a surface discharge type plasma, the mixture of inert gas, as Ne-Xe, is filled in the space 125 ' being made up of prebasal plate portion 103 ' and metacoxal plate portion 106 '.Barrier 118 ' will be separated by the area of space of barrier 118 ' and prebasal plate portion 103 ' and metacoxal plate portion 106 ' formation, the region that sub-pixel 200 ' is surrounded by the border of barrier 118 ' and maintain the region that electrode 111 ' defines and form, electric discharge is because maintaining the voltage generation between electrode 111 ' and scan electrode 112 ', will produce ultraviolet ray and excite red, green, blue phosphor powder layer, produce visible ray.For example, the green emitting phosphor 121 ' shown in Fig. 2 by ultraviolet ray excited, produces green glow from green phosphor layer.In sub-pixel 200 ', fill green emitting phosphor 121 ', in the adjacent sub-pixel of seeing, fill respectively blue colour fluorescent powder 122 ' and red fluorescence powder 120 ' on this section.
As another profile that Fig. 3 is PDP100 ', along the long side direction of addressing electrode 116 ' shown in Fig. 1, show the section vertical with the plane of sub-pixel 200 ' shown in Fig. 2.Sub-pixel 200 ' shown in Fig. 3, its region comprises the sparking electrode group that maintains electrode 111 ' and scan electrode 112 ' composition on a pair of prebasal plate 110 ', with the included region of crunode that intersects vertically of the addressing electrode 116 ' on metacoxal plate 115 '.On transparent sustain electrode 111 ', have bus electrode (BUS) 119 ' close proximity with it, have bus electrode 119 ' closely to connect mutually with it on transparent scanning electrode 112 ', bus electrode is lighttight.
It is by maintaining gap 130 ' that the work of PDP100 ' maintains voltage, dielectric layer 113 ', and the MgO protective layer 114 ' secondary electron yield on discharge gas and the prebasal plate 110 ' of use determines.The visible ray that sustain discharge produces is the principal element of color PDP brightness.
At work, as the driving schematic diagram for PDP electric discharge work with reference to figure 4.It is multiple subfields by the time division of a frame picture that plasma shows, each subfield produces the appropriate brightness of a part of sub-pixel requirement.Each subfield is divided into preparatory stage, address period and maintenance phase.Wherein maintenance phase is divided into again multiple pulse periods.Preparatory stage is all closed the pixel of all somes light yellows, causes gas and protective layer 114 ' surface, makes addressing subsequently become possibility.In the preparatory stage, the inter-electrode voltage of each pixel reaches the firing voltage that approaches very much gas.
In address period, maintain electrode and driven by identical voltage, when scan electrode is also driven, one-row pixels is selected, and the pixel in that a line produces address discharge by making alive on addressing electrode, thus addressing.Like this, in address period, require the pixel addressing successively of lighting.
In maintenance phase, on all scan electrodes, all add and maintain pulse, make at all generation plasma discharges repeatedly of the addressed sub-pixel of address period.That is to say, the pixel being lit in address period electric discharge repeatedly in maintenance phase, thus produce brightness.
The thickness of PDP is a very important constituent element for large-sized plasma TV, and the thickness that reduces PDP is to be the problem that people endeavour research always.
Summary of the invention
The present invention aims to provide a kind of gas discharge device, and this gas discharge device has novel structure.
To achieve these goals, according to an aspect of the present invention, provide a kind of gas discharge device.This gas discharge device comprises the prebasal plate portion and the metacoxal plate portion that are oppositely arranged, and the sealing-in relative to metacoxal plate portion of prebasal plate portion forms multiple discharge cells, and prebasal plate portion comprises: prebasal plate; Sparking electrode, along the vertical or horizontal extension of front surface of prebasal plate; The first insulating barrier, covers on the front surface and sparking electrode of prebasal plate; And medium protection film, be arranged on the rear surface of prebasal plate.
Further, prebasal plate is that thickness is 30-200 μ m, dielectric constant < 7, alkali free glass.
Further, metacoxal plate portion comprises: metacoxal plate, and its front surface is provided with barrier, in described barrier sidewall, is provided with phosphor powder layer, and barrier is vertical with sparking electrode arranges; Addressing electrode, along the rear surface of metacoxal plate and the direction that is parallel to barrier extend; And second insulating barrier, cover on the rear surface and addressing electrode of metacoxal plate.
Further, metacoxal plate is that thickness is 30-200 μ m, dielectric constant < 7, alkali free glass.
Further, medium protection film is by MgO or oxide M
xmg
-xo forms, wherein 0≤x < 1, and M is selected from one or more in the group of Be, Ca, Sr, Ba, Ra, Sc, Ce, Y, Ti, Zr, Hf, V, Nb, Ta, Zn, Na, Al composition.
Further, be filled with discharge gas in discharge cell, discharge gas is selected from Xe, Ne, Ar, He, Hg, N, O, and one or more in the group of F composition.
Further, the first insulating barrier and the second insulating barrier be by PET, MET-PET, PE, BOPP, MET-BOPP, CPP or MET-CPP, to print or lamination mode is made.
Further, gas discharge device is fluorescent light fittings, intensity discharge lamp device or plasma display.
Further, be coated with microcrystalline powder layer on media protection rete, one or more sprayings in the group that microcrystalline powder layer is made up of BeO, MgO, CaO, SrO, BaO form.
In gas discharge device of the present invention, the sparking electrode that prebasal plate portion extends by prebasal plate, along the front surface of prebasal plate, covers the first insulating barrier on front surface and the sparking electrode of prebasal plate; And the medium protection film that is arranged on the rear surface of prebasal plate forms.Prebasal plate, both as supporting construction, again directly as dielectric layer, has compared with prior art been saved structure, can reduce to a great extent the thickness of gas discharge device.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the partial structurtes schematic diagram of AC type color plasma display in prior art;
Fig. 2 shows the part section structural representation according to the short side direction perpendicular to addressing electrode of Fig. 1;
Fig. 3 shows the part section structural representation according to the long side direction perpendicular to addressing electrode of Fig. 1;
Fig. 4 shows the driving schematic diagram of plasma display electric discharge work;
Fig. 5 shows the plasma display partial structurtes schematic diagram according to the embodiment of the present invention;
Fig. 6 shows the part section structural representation according to the short side direction perpendicular to addressing electrode of Fig. 5; And
Fig. 7 shows the part section structural representation according to the long side direction perpendicular to addressing electrode of Fig. 5.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
A kind of typical execution mode according to the present invention, this gas discharge device comprises the prebasal plate portion and the metacoxal plate portion that are oppositely arranged, the sealing-in relative to metacoxal plate portion of prebasal plate portion forms multiple discharge cells, wherein, in gas discharge device of the present invention, prebasal plate portion is by prebasal plate, along the sparking electrode of the vertical or horizontal extension of front surface of prebasal plate, covers the first insulating barrier on front surface and the sparking electrode of prebasal plate; And the medium protection film that is arranged on the rear surface of prebasal plate forms.Prebasal plate, both as supporting construction, again directly as dielectric layer, has compared with prior art been saved structure, can reduce to a great extent the thickness of gas discharge device.
Preferably, prebasal plate is that thickness is 30-200 μ m, dielectric constant < 7, and alkali free glass, the prebasal plate portion thin thickness of making, and there is good flexibility.
A kind of typical execution mode according to the present invention, metacoxal plate portion is by metacoxal plate, addressing electrode, and the second insulating barrier composition, wherein the front surface of metacoxal plate is provided with barrier, in barrier sidewall, is provided with phosphor powder layer, and barrier is vertical with sparking electrode to be arranged, addressing electrode along the rear surface of metacoxal plate and the direction that is parallel to barrier extend, the second insulating barrier covers on the rear surface and addressing electrode of metacoxal plate.Metacoxal plate is the same with prebasal plate, also both as supporting construction, again directly as dielectric layer, therefore can further reduce the thickness of gas discharge device.
Preferably, metacoxal plate is that thickness is 30-200 μ m, dielectric constant < 7, alkali free glass.This layer of glass is as the dielectric layer of device, simultaneously as supporting construction.Therefore, the metacoxal plate portion thin thickness of making, and there is good flexibility, forward and backward substrate adopts this glass simultaneously, can make the gas discharge device of making have ultra-thin, soft characteristic.
Preferably, medium protection film is by MgO or oxide M
xmg
-xo forms, wherein 0≤x < 1, and M is selected from one or more in the group of Be, Ca, Sr, Ba, Ra, Sc, Ce, Y, Ti, Zr, Hf, V, Nb, Ta, Zn, Na, Al composition.Medium protection film provides secondary electron, reduces the firing voltage of device.Preferably, be filled with discharge gas in discharge cell, discharge gas is selected from Xe, Ne, Ar, He, Hg, N, O, and one or more in the group of F composition.
Preferably, the first insulating barrier and the second insulating barrier be by PET (polyethylene terephthalate), PMMA (polymethyl methacrylate) PE (polyethylene), PS (polystyrene), PVA (polyvinyl alcohol), BOPP (biaxial tension type polypropylene), CPP (curtain coating polypropylene) or PI (polyimides), to print or lamination mode is made.
A kind of typical execution mode according to the present invention, gas discharge device is fluorescent light fittings or intensity discharge lamp device, the characteristic of its ultra-thin machine softness can make its range of application be greatly expanded.
A kind of typical execution mode according to the present invention, gas discharge device is plasma panel.Plasma panel thickness of the present invention is less than 500mm, provides frivolous display screen for making frivolous plasma display; And this display screen has pliability, can carry out the operations such as bending.Plasma panel of the present invention can be the structure setting that there is no blast pipe, carries out sealing-in exhaust realization under vacuum environment.
Preferably, be coated with microcrystalline powder layer on media protection rete, one or more sprayings in the group that microcrystalline powder layer is made up of BeO, MgO, CaO, SrO, BaO form.
Embodiment 1
The gas discharge device structural representation of the present embodiment, as shown in Fig. 5-7.PDP100 comprises the prebasal plate portion 103 and the metacoxal plate portion 106 that are oppositely arranged, and prebasal plate portion 103 sealing-in relative to metacoxal plate portion 106 forms multiple discharge cells.The sparking electrode that prebasal plate portion 103 extends by prebasal plate 110, along the front surface of prebasal plate, covers the first insulating barrier 123 on front surface and the sparking electrode of prebasal plate 110; And the medium protection film 114 that is arranged on the rear surface of prebasal plate 110 forms.Wherein, sparking electrode is by maintaining electrode 111 and scan electrode 112 forms, and wherein each pixel includes and maintains electrode and scan electrode.Prebasal plate 110, directly as dielectric layer, arranges medium protective layer 114 above, and medium protective layer 114 is magnesium oxide layer.
Prebasal plate of the present invention portion 103 with media protection aspect 114 with respect to the barrier 118 of metacoxal plate portion 106 in the face of closing, the first insulating barrier 123 of prebasal plate portion 103 and the second insulating barrier 124 of metacoxal plate portion 106 are in the outside of device.
Fig. 6 shows the part sectioned view of the present embodiment, perpendicular to the short side direction of addressing shown in Fig. 5 (ADD) electrode 116.Concrete, corresponding to the complete sub-pixel 200 of green phosphor layer 121.In the discharge gas device of the present embodiment, the mixture of inert gas, as Ne-Xe, is filled in the space 125 being made up of prebasal plate portion 103 and metacoxal plate portion 106.Barrier 118 is separated the area of space being made up of barrier 118 and prebasal plate portion 103 and metacoxal plate portion 106, the region that sub-pixel 200 is surrounded by the border of barrier 118 and maintain the region that electrode 111 defines and form, electric discharge is because maintaining the voltage generation between electrode 111 and scan electrode 112, will produce ultraviolet ray and excite red, green, blue phosphor powder layer, produce visible ray.For example, the green emitting phosphor 121 shown in figure by ultraviolet ray excited, produces green glow from green phosphor layer.The interior filling green emitting phosphor 121 of sub-pixel 200, fills respectively blue colour fluorescent powder 122 and red fluorescence powder 120 on this section in the adjacent sub-pixel of seeing.
As another profile that Fig. 7 is PDP100, along the long side direction of addressing electrode 116 shown in Fig. 5, show the section vertical with the plane of sub-pixel 200 shown in Fig. 6.Sub-pixel 200 shown in Fig. 7, its region comprises the sparking electrode group that electrode 111 and scan electrode 112 form that maintains on a pair of prebasal plate 110, with the included region of crunode that intersects vertically of the addressing electrode 116 on metacoxal plate 115.On transparent sustain electrode 111, have bus electrode (BUS) 119 phase close proximity with it, have bus electrode 119 closely to connect mutually with it on transparent scanning electrode 112, bus electrode is lighttight.
It is by maintaining gap 130 that the work of PDP100 maintains voltage, and dielectric layer is the present invention's thin base glass used, the medium protective layer 114 secondary electron yields decisions on the discharge gas of use and prebasal plate 110, it arranges same prior art.
In the present embodiment, prebasal plate 110 is that thickness is 100 μ m, dielectric constant < 7, alkali free glass.Scan electrode and maintain electrode by transparency electrode and bus electrode composition, transparency electrode is made up of ITO rete, forms by evaporation, and thickness is 150nm; Bus electrode is made up of metal A g, forms by photoetching process, and thickness is 2 μ m.Transparency electrode is arranged on prebasal plate front surface, and bus electrode rides on transparency electrode.Surface coverage a layer thickness of electrode is the first insulating barrier 123 (BOPP) of 10 μ m.The rear surface of prebasal plate is provided with the protective layer being made up of MgO film, and wherein thicknesses of layers is 400-1000nm.
Under vacuum environment, barrier 118, the sealing-in of fluorescent material face of the relative metacoxal plate of the medium protection film 114 aspect portion 106 of the former baseplate part 103 of these two baseplate parts are involutory, are filled with the commingle discharging gas of Xe and Ne in the involutory panel of formation, form plasma display.
Wherein transparency electrode length and width, bus electrode length and width, addressing electrode length and width, length, width and the height of barrier, the thickness equidimension parameter of fluorescent material is determined by the concrete resolution of plasma display.
Embodiment 2
Structure in embodiment 2 is identical with embodiment, only has following parameter difference:
In the present embodiment, prebasal plate 110 is that thickness is 50 μ m, dielectric constant < 7, alkali free glass.Scan electrode and maintain electrode by transparency electrode and bus electrode composition, transparency electrode is made up of ITO rete, forms by evaporation, and thickness is 150nm; Bus electrode is made up of metal A g, forms by photoetching process, and thickness is 2 μ m.Transparency electrode is arranged on prebasal plate front surface, and bus electrode rides on transparency electrode.Surface coverage a layer thickness of electrode is the first insulating barrier 123 (PET) of 10 μ m.The rear surface of prebasal plate 110 is provided with the medium protective layer 114 of the MgO film formation of doping CaO, and wherein, the mass ratio of CaO and MgO is 20: 80, and thicknesses of layers is 400-1000nm.On media protection rete, be coated with microcrystalline powder layer, microcrystalline powder layer is formed by BeO and BaO spraying.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a gas discharge device, comprise the prebasal plate portion (103) and the metacoxal plate portion (106) that are oppositely arranged, described prebasal plate portion (103) forms multiple discharge cells with described metacoxal plate portion (106) relative sealing-in, it is characterized in that, described prebasal plate portion (103) comprising:
Prebasal plate (110);
Sparking electrode, along the vertical or horizontal extension of front surface of described prebasal plate (110);
The first insulating barrier (123), covers on the front surface and described sparking electrode of described prebasal plate (110); And
Medium protection film (114), is arranged on the rear surface of described prebasal plate (110).
2. gas discharge device according to claim 1, is characterized in that, described prebasal plate (110) is that thickness is 30-200 μ m, dielectric constant < 7, alkali free glass.
3. gas discharge device according to claim 1, is characterized in that, described metacoxal plate portion (106) comprising:
Metacoxal plate (115), its front surface is provided with barrier (118), in described barrier (118) sidewall, is provided with phosphor powder layer, and described barrier (118) is vertical with described sparking electrode arranges;
Addressing electrode (116), along the rear surface of described metacoxal plate (115) and the direction that is parallel to described barrier (118) extend; And
The second insulating barrier (124), covers on the rear surface and described addressing electrode (116) of described metacoxal plate (115).
4. gas discharge device according to claim 3, is characterized in that, described metacoxal plate (115) is that thickness is 30-200 μ m, dielectric constant < 7, alkali free glass.
5. gas discharge device according to claim 1, is characterized in that, described medium protection film (114) is by MgO or oxide M
xmg
1-xo forms, wherein 0≤x < 1, and described M is selected from one or more in the group of Be, Ca, Sr, Ba, Ra, Sc, Ce, Y, Ti, Zr, Hf, V, Nb, Ta, Zn, Na, Al composition.
6. gas discharge device according to claim 1, is characterized in that, in described discharge cell, is filled with discharge gas, and described discharge gas is selected from Xe, Ne, Ar, He, Hg, N
2, O
2, and one or more in the group of F composition.
7. gas discharge device according to claim 3, it is characterized in that, described the first insulating barrier (123) and described the second insulating barrier (124) are made up of polyethylene terephthalate, polymethyl methacrylate, polyethylene, polystyrene, polyvinyl alcohol, biaxial tension type polypropylene, curtain coating polypropylene or polyimides, to print or lamination mode is made.
8. gas discharge device according to claim 1, is characterized in that, described gas discharge device is fluorescent light fittings, intensity discharge lamp device or plasma display.
9. gas discharge device according to claim 8; it is characterized in that; on described medium protection film (114) layer, be coated with microcrystalline powder layer, one or more sprayings in the group that described microcrystalline powder layer is made up of BeO, MgO, CaO, SrO, BaO form.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459559.7A CN103794439A (en) | 2011-12-31 | 2011-12-31 | Gas discharge device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459559.7A CN103794439A (en) | 2011-12-31 | 2011-12-31 | Gas discharge device |
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| CN103794439A true CN103794439A (en) | 2014-05-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312921A (en) * | 2005-11-21 | 2008-11-26 | 松下电器产业株式会社 | Glass component and display panel using same |
| CN101473400A (en) * | 2006-05-11 | 2009-07-01 | 松下电器产业株式会社 | Plasma display panel with low voltage material |
| CN101847555A (en) * | 2010-03-31 | 2010-09-29 | 东南大学 | Flexible shadow mask plasma display panel |
| CN102201312A (en) * | 2010-03-23 | 2011-09-28 | 陶瓷和化工科技株式会社 | AC type plasma display element |
-
2011
- 2011-12-31 CN CN201110459559.7A patent/CN103794439A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312921A (en) * | 2005-11-21 | 2008-11-26 | 松下电器产业株式会社 | Glass component and display panel using same |
| CN101473400A (en) * | 2006-05-11 | 2009-07-01 | 松下电器产业株式会社 | Plasma display panel with low voltage material |
| CN102201312A (en) * | 2010-03-23 | 2011-09-28 | 陶瓷和化工科技株式会社 | AC type plasma display element |
| CN101847555A (en) * | 2010-03-31 | 2010-09-29 | 东南大学 | Flexible shadow mask plasma display panel |
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Application publication date: 20140514 |