CN1767133A - Plasma display panel - Google Patents
Plasma display panel Download PDFInfo
- Publication number
- CN1767133A CN1767133A CNA2005101184997A CN200510118499A CN1767133A CN 1767133 A CN1767133 A CN 1767133A CN A2005101184997 A CNA2005101184997 A CN A2005101184997A CN 200510118499 A CN200510118499 A CN 200510118499A CN 1767133 A CN1767133 A CN 1767133A
- Authority
- CN
- China
- Prior art keywords
- ducted body
- substrate
- display panel
- blast pipe
- plasma display
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- H01J11/54—Means for exhausting the gas
-
- 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
- H01J11/48—Sealing, e.g. seals specially adapted for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/20—Selection of substances for gas fillings; Specified operating pressures or temperatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/385—Exhausting vessels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A plasma display panel having an improved exhaust tube structure, through which a discharge gas is re-injected into a space in the plasma display panel, if necessary. The plasma display panel includes first and second substrates that are sealed together, and an exhaust tube that has a plurality of separably coupled hollow bodies. The exhaust tube communicates with an exhaust hole formed in one substrate of the first and second substrates.
Description
Technical field
The present invention relates to a kind of plasma display panel, particularly, a kind of structure of blast pipe of plasma display panel.
Background technology
Recently, plasma display panel (PDP, plasma display panel) has caused the public's attention as a kind of big and flat screen display device.Generally speaking, this PDP adopts and produce the gas discharge displayed image in discharge cell.
This PDP has a prebasal plate and a metacoxal plate, and is substantially parallel each other, and as other flat display panel, for example vacuum fluorescence display panel (VFD) or static are launched display panel (FED).Its forward and backward substrate is bonded to each other with a kind of adhesive, thereby forms a kind of so-called vacuum tube, and this adhesive is along at least one periphery of forward and backward substrate.
Space between the substrate is evacuated to produce vacuum, and discharge gas is injected this space.
Such PDP, because bombardment by ions damages protective layer (MgO), vacuum ultraviolet (VUV) damages fluorescence coating, or the damage or the degassing that other composition material causes may pollute discharge gas, and may shorten its life cycle.
Therefore, in order to prevent from especially to shorten the life cycle of PDP by the discharge gas that pollutes, after deliberation the way of displacement discharge gas.
Yet, adopt the traditional PD P-structure displacement discharge gas may difficulty, therefore can not prevent the shortening of the PDP life cycle that causes by discharge gas.
Fig. 8 illustrates a kind of traditional PDP.With reference to Fig. 8, blast pipe 5 is arranged on a side of the metacoxal plate 3 of this PDP1, is in vacuum state with the space that keeps this PDP.This blast pipe 5 has overall structure.Therefore, in case blast pipe 5 end seals will be replaced discharge gas, the whole blast pipe 5 of will dismantling.
And then blast pipe 5 usefulness fluid sealants 7 are fixed on the metacoxal plate 3, could dismantle from metacoxal plate by cutting.
Yet blast pipe is securely fixed on the metacoxal plate 3 with fluid sealant 7.Fluid sealant 7 is made with glass typically, and its material is identical with this PDP metacoxal plate 3 or prebasal plate 9.
Thereby when blast pipe 5 and fluid sealant 7 separated with metacoxal plate 3, this metacoxal plate may be damaged.
Therefore, in this traditional PDP, because the restriction of its exhaust pipe structure, changing discharge gas may difficulty.
In addition, this blast pipe 5 highlights from metacoxal plate 3.Therefore, in the time of on wiring board being installed in this PDP1 setting base thereon, this blast pipe 5 may hinder wiring board, and this makes the wiring board difficulty is installed on base.In addition, blast pipe 5 may damage self.
Also have, the version of blast pipe 5 as mentioned above can not reduce the thickness of this PDP.
Summary of the invention
The invention provides a kind of PDP that improves exhaust pipe structure, by improving exhaust pipe structure, discharge gas can refill the space of this PDP in case of necessity.
In addition, other characteristics of the present invention will be illustrated in the following description, and part will be obvious in description, or go understanding by practice of the present invention.
The present invention discloses a kind of PDP, comprises first and second substrates that are sealed, with the blast pipe with a plurality of ducted bodies that are connected separably.This blast pipe communicates with the steam vent that forms on a substrate of first substrate and second substrate.
The present invention discloses a kind of blast pipe that is used for flat-panel monitor.This blast pipe comprises a plurality of ducted bodies that connect separably.
It should be understood that the generality description of front and the detailed description of back all are exemplary and indicative, aim to provide further explanation the invention of being advocated.
Description of drawings
Accompanying drawing is used to provide further to be understood the present invention, and constitutes the part of this specification, and accompanying drawing illustrates one exemplary embodiment of the present invention, is used for explaining principle of the present invention with specification.
Fig. 1 is the rear view of the PDP of first one exemplary embodiment according to the present invention.
Fig. 2 is that the II-II line along Fig. 1 cuts open the cross sectional view of getting.
Fig. 3 A is the schematic diagram of employing according to the situation of the blast pipe of first one exemplary embodiment of the present invention.
Fig. 3 B is the schematic diagram of employing according to the situation of the blast pipe of first one exemplary embodiment of the present invention.
Fig. 3 C is the schematic diagram of employing according to the situation of the blast pipe of first one exemplary embodiment of the present invention.
Fig. 4 is the rear view of the PDP of second one exemplary embodiment according to the present invention.
Fig. 5 is that the V-V line along Fig. 4 cuts open the cross sectional view of getting.
Fig. 6 is the PDP rear view of the modification of second one exemplary embodiment according to the present invention.
Fig. 7 A is the schematic diagram of employing according to the situation of the blast pipe of second one exemplary embodiment of the present invention.
Fig. 7 B is the schematic diagram of employing according to the situation of the blast pipe of second one exemplary embodiment of the present invention.
Fig. 7 C is the schematic diagram of employing according to the situation of the blast pipe of second one exemplary embodiment of the present invention.
Fig. 8 is the rear view of traditional PD P blast pipe.
Embodiment
Hereinafter, describe the present invention in more detail, on accompanying drawing, show embodiments of the invention with reference to relevant drawings.Yet the present invention can be embodied with a lot of different forms, can not be construed to the embodiment that is limited in this proposition.More properly say, these embodiment are provided in case disclose thorough, to those those skilled in the art with comprehensive exchange of paper scope of invention.In these accompanying drawings, for the sake of clarity the size in each layer or zone may be exaggerated expression.In addition, in whole description process, identical label is represented components identical.
Fig. 1 is the rear view of the plasma display panel (PDP) of first one exemplary embodiment according to the present invention, and Fig. 2 is that the II-II line along Fig. 1 cuts open the sectional view of getting.
See figures.1.and.2, this PDP 20 has first substrate (prebasal plate) 22 and second substrate (metacoxal plate) 24.This forward and backward substrate 22 and 24 useable glass are made, and they are arranged to predetermined space substantially parallel each other.Each arrangements of elements is between this forward and backward substrate 22 and 24, so that generate image according to discharge mechanism.
Briefly say, between this forward and backward substrate 22 and 24, arrange following element: barrier rib 26, it limits discharge space; Keep sparking electrode 28, it is used to provide the discharge required voltage; Address electrode 30; Fluorescence coating 32; Dielectric layer 34 and 36 and protective layer 38.
This forward and backward substrate is generally rectangular shape, and each substrate has long limit and minor face.A kind of encapsulant 40 is the edges cover of at least one substrate in this forward and backward substrate 22 and 24 basically, and is by adhesion process that substrate is bonded to each other.
The space in this PDP20 that is defined by this forward and backward substrate 22 and 24 keeps vacuum state usually.The discharge space that is defined by barrier rib 26 is full of discharge gas.
For this reason, steam vent 24a can form on an angle of a substrate in forward and backward substrate 22 and 24.This steam vent 24a shown in Figure 1 is formed at the upper left corner of metacoxal plate 24.Blast pipe 42 is arranged to communicate with steam vent 24a.
In the present embodiment, this blast pipe 42 forms pointed, and it has cross section circular basically, hollow.One end of this blast pipe 42 (this end face is towards metacoxal plate 24) can be aimed at steam vent 24a so that communicate with steam vent 24a and combine with metacoxal plate 24.The other end of this blast pipe 42 (this end face is metacoxal plate 24 dorsad) is sealing after evacuation process and discharge gas injection process.This blast pipe 42 can be connected with metacoxal plate 24 usefulness adhesives, for example seals powder (sealing frit) 41.
This blast pipe 42 has a base 42a who is connected with metacoxal plate 24 and a plurality of ducted body 42b that are connected with base 42a.The outermost ducted body of these a plurality of ducted bodies terminal sealed.
Here, each ducted body 42b can connect each other discretely.Like this, each ducted body 42b has predetermined length, and they use adhesive, for example is joined to one another with sealing powder (sealing frit) 42c.
Here, the quantity of ducted body 42b is not defined as specific numerical value.For example, the suitable quantity of ducted body 42b can based on consider in PDP 20 life cycles expection reinject discharge gas number of times and decide.
In addition, in current embodiment, this ducted body 42b has a circular basically cross section, but the shape in cross section is unrestricted.For example, different shape all can use, as rectangle, octagon, avette, oval or the like.
Like this, if blast pipe 42 has the multilevel hierarchy that is made of the ducted body 42b that connects separably, so, when the discharge gas among this PDP 20 of displacement, can realize easily that displacement does not damage this PDP 20 again.
Fig. 3 A, Fig. 3 B, Fig. 3 C are the schematic diagram of discharge gas by the process of blast pipe 42 displacements that is injected in the space of this PDP 20.
When making this PDP 20, the air in this PDP 20 is at first extracted out by blast pipe 42, then discharge gas is injected this PDP 20.The end of blast pipe 42 can seal thereupon.More particularly, the end seal of last ducted body 42b ' of a plurality of ducted body 42b.Thereby finished this PDP 20.
With reference to Fig. 3 A, if determine that the discharge gas among the PDP 20 is contaminated, last ducted body of will dismantling.For example, by the separable junction of cutting it and another ducted body 42b last ducted body 42 b ' that can dismantle.
With reference to Fig. 3 B, in case extract old discharge gas out, new discharge gas can inject this PDP 20 by opening.
Then,, last ducted body 42b of the ducted body 42b that stays with reference to Fig. 3 C " end seal, finished the displacement of discharge gas thus.
Like this, in the present embodiment, because this blast pipe 42 has multilevel hierarchy, this ducted body 42b can dismantle as required one by one, so that extract old discharge gas out and inject new discharge gas, has increased the life cycle of this PDP thus.
When ducted body was injected new discharge gas by dismantling, because this ducted body 42b is bonded to one another with sealing powder 42c, the made that the sealing powder is different with 24 usefulness with forward and backward substrate 22 can realize easily so cut.Further, the impact in the time of can preventing forward and backward substrate 22 and 24 owing to cutting is subjected to breakage.
Fig. 4 is a PDP rear view of second one exemplary embodiment according to the present invention.Fig. 5 cuts open the sectional view of getting along Fig. 4 V-V line.
With reference to Fig. 4 and Fig. 5, blast pipe 42 has a curved ducted body 42d at least and has a straight basically ducted body 42b at least.This at least one straight basically ducted body 42b is connected with this curved ducted body 42d, and is arranged to metacoxal plate 24 substantially parallel.
At this, ducted body 42b is connected each other separably with 42d.For this reason, as mentioned above, this ducted body 42b and 42d also can be connected to each other with other connected mode except can being connected with sealing powder 42, and the sealing powder is made with polyurethane, forbids glass.
In the present embodiment, this curved ducted body 42d curves near 90 degree and with steam vent 24a and communicates.This straight ducted body 42b can be connected so that substantially parallel with metacoxal plate 24 with this curved ducted body 42d.
Like this, as mentioned above, blast pipe 42 can be arranged to metacoxal plate 24 substantially parallel.Obvious from Fig. 4 and Fig. 5, blast pipe 42 is arranged along the minor face of forward and backward substrate 22 and 24.
Curved ducted body 42d has a base 42a who is connected with metacoxal plate with sealing powder 41.The maximum inside and outside diameter of this base 42a is bigger than the inside and outside diameter of each ducted body 42b, and like this, this curved ducted body 42d can be connected with metacoxal plate 24 securely.
Fig. 7 A, Fig. 7 B and Fig. 7 C are the schematic diagram of employing according to the situation of the blast pipe of second one exemplary embodiment.
With reference to Fig. 7 A, Fig. 7 B and Fig. 7 C, the discharge gas of this PDP can be by following step displacement.As above described about first embodiment, the ducted body 42b ' that dismantles last (seeing Fig. 7 A), extract old discharge gas out, the blast pipe 42 of new discharge gas by opening injects these PDP 20 (seeing Fig. 7 B), the last straight ducted body 42b of the ducted body 42b that sealing stays " end (seeing Fig. 7 C).This last straight ducted body 42b if dismantled ", after injecting new discharge gas, can seal this curved ducted body 42d.
Like this, in the present embodiment, blast pipe 42 has multilevel hierarchy.Ducted body 42b can dismantle as required one by one so that extract old discharge gas out and inject new discharge gas, increased the life cycle of this PDP thus.
In addition, blast pipe 42 bends near the right angle so that be arranged to metacoxal plate 24 substantially parallel.Therefore, be arranged to compare with the rectangular example of metacoxal plate with blast pipe, this blast pipe with metacoxal plate 24 vertical direction on the amount of space that occupies reduce.
Therefore, this PDP 20 supports and when providing on thereon the base, this blast pipe 42 can not hinder wiring board when wiring board is installed on.Like this, wiring board can be easily mounted on the base.In addition, this blast pipe self can prevent to damage.In addition, can reduce the thickness of PDP.
As mentioned above, the PDP of one exemplary embodiment according to the present invention has a contaminated discharge gas of improved permission to be easy to replace and prevent the exhaust pipe structure that this blast pipe and PDP damage with new discharge gas.As a result, can prolong the life cycle of this PDP.
And blast pipe can be arranged to metacoxal plate substantially parallel so that it is outwards not outstanding.Like this, when this PDP and base are connected to each other and this base and wiring board are connected to each other, can avoid hindering each other.As a result, this PDP can easier manufacturing and is not damaged this blast pipe, and can make thinner.
It will be understood by those skilled in the art that the present invention's modifications and variations in various manners, and can not break away from essence of the present invention and content.Like this, the present invention is intended to cover the scheme of the various modifications and variations within the spirit and scope that are included in claims and equivalent thereof.
Claims (21)
1, a kind of plasma display panel comprises:
First substrate and second substrate, they are sealed; With
Blast pipe, it comprises a plurality of ducted bodies that connect separably,
Wherein, this blast pipe communicates with the steam vent that forms in a substrate of this first substrate and this second substrate.
2, plasma display panel as claimed in claim 1, wherein, the substrate of first ducted body and this that is arranged on this blast pipe first end is connected, and an end that is arranged in second ducted body on this blast pipe second end is sealed.
3, plasma display panel as claimed in claim 2, wherein, this first ducted body is connected with base on being fixed on this substrate, so that cover this steam vent.
4, plasma display panel as claimed in claim 3, wherein, the maximum inside and outside diameter of this base is greater than the maximum inside and outside diameter of each ducted body.
5, plasma display panel as claimed in claim 1, wherein, this blast pipe is arranged to this substrate substantially parallel.
6, plasma display panel as claimed in claim 5, wherein, this ducted body comprises:
At least one curved ducted body and
The straight ducted body that at least one curved ducted body of at least one and this is connected.
7, plasma display panel as claimed in claim 6, wherein, substrate of this at least one curved ducted body and this is connected, and at least one curved ducted body is connected this at least one straight ducted body with this, with as last straight ducted body, the end face of this last straight ducted body is sealed.
8, plasma display panel as claimed in claim 7, wherein, this at least one curved ducted body comprises the base that is fixed on this substrate, so that cover this steam vent.
9, plasma display panel as claimed in claim 8, wherein, the maximum inside and outside diameter of this base is greater than the inside and outside diameter of each ducted body.
10, plasma display panel as claimed in claim 5, wherein, this first substrate and this second substrate have the essentially rectangular shape, and each substrate has pair of short edges and a pair of long limit, and this blast pipe is arranged minor face along this of this first substrate and this second substrate basically.
11, plasma display panel as claimed in claim 5, wherein, this first substrate and this second substrate have the essentially rectangular shape, and each substrate has pair of short edges and a pair of long limit, and this blast pipe is arranged long limit along this of this first substrate and this second substrate basically.
12, plasma display panel as claimed in claim 1, wherein, this metacoxal plate that substrate is this plasma display panel.
13, plasma display panel as claimed in claim 12 also comprises:
Base plate; With
Cover,
Wherein, first of this base plate and this plasma display panel is connected, and this cover is removably disposed on this base plate, so that cover and protect this blast pipe.
14, plasma display panel as claimed in claim 1, wherein, the sealing compound that described each ducted body is made with the material that does not contain glass connects each other separably.
15, plasma display panel as claimed in claim 1, wherein, each ducted body has the cross section of circular.
16, a kind of blast pipe of flat display panel comprises:
A plurality of ducted bodies that connect separably.
17, blast pipe as claimed in claim 16, wherein, the described ducted body that connects separably comprises:
At least one curved ducted body; With
At least one straight ducted body,
Wherein, this at least one curved ducted body is fixed on the substrate of this flat display panel, and this at least one straight ducted body is fixed on this at least one curved ducted body and is substantially parallel with this substrate.
18, a kind of method that is used to replace the discharge gas of display panel comprises:
Remove a ducted body from a plurality of ducted bodies that connect separably of blast pipe; With
Extract this discharge gas in the display panel out.
19, method as claimed in claim 18 also comprises:
Inject discharge gas for this display panel; With
Seal this blast pipe.
20, method as claimed in claim 19 wherein, seals the ducted body that connects separably that this blast pipe comprises that sealing stays.
21, method as claimed in claim 18 wherein, is removed ducted body and is comprised this blast pipe of cutting, and cutting part is to connect the residing position of sealant of intending removed ducted body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR86157/04 | 2004-10-27 | ||
| KR1020040086157A KR100708840B1 (en) | 2004-10-27 | 2004-10-27 | Plasma display panel |
| KR18165/05 | 2005-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1767133A true CN1767133A (en) | 2006-05-03 |
Family
ID=36742899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101184997A Pending CN1767133A (en) | 2004-10-27 | 2005-10-27 | Plasma display panel |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100708840B1 (en) |
| CN (1) | CN1767133A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719450B (en) * | 2008-12-24 | 2011-08-24 | 四川虹欧显示器件有限公司 | Exhaust pipe protective cap and plasma display module with protective cap |
| CN101728159B (en) * | 2008-12-24 | 2011-09-07 | 四川虹欧显示器件有限公司 | Plasma display module and vent pipe protection cap thereof |
| CN102637577A (en) * | 2011-04-02 | 2012-08-15 | 京东方科技集团股份有限公司 | Preparation method of display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920007086B1 (en) * | 1990-06-25 | 1992-08-24 | 삼성전관 주식회사 | Manufacturing method of plasma display panel |
-
2004
- 2004-10-27 KR KR1020040086157A patent/KR100708840B1/en not_active IP Right Cessation
-
2005
- 2005-10-27 CN CNA2005101184997A patent/CN1767133A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719450B (en) * | 2008-12-24 | 2011-08-24 | 四川虹欧显示器件有限公司 | Exhaust pipe protective cap and plasma display module with protective cap |
| CN101728159B (en) * | 2008-12-24 | 2011-09-07 | 四川虹欧显示器件有限公司 | Plasma display module and vent pipe protection cap thereof |
| CN102637577A (en) * | 2011-04-02 | 2012-08-15 | 京东方科技集团股份有限公司 | Preparation method of display device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060037041A (en) | 2006-05-03 |
| KR100708840B1 (en) | 2007-04-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060503 |