CN201156513Y - Air exhausting pipe construction and plasma display board having such construction - Google Patents
Air exhausting pipe construction and plasma display board having such construction Download PDFInfo
- Publication number
- CN201156513Y CN201156513Y CNU2007201905497U CN200720190549U CN201156513Y CN 201156513 Y CN201156513 Y CN 201156513Y CN U2007201905497 U CNU2007201905497 U CN U2007201905497U CN 200720190549 U CN200720190549 U CN 200720190549U CN 201156513 Y CN201156513 Y CN 201156513Y
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- CN
- China
- Prior art keywords
- blast pipe
- exhaust pipe
- plasma display
- guard ring
- display panel
- 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.)
- Expired - Fee Related
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- Gas-Filled Discharge Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The utility model provides an exhaust pipe structure, which comprises an exhaust pipe, a seal ring arranged at one end of the exhaust pipe and a protection ring; wherein, the protection ring, surrounding the exhaust pipe, is arranged on the seal ring. The exhaust pipe structure of the utility model can protect the exhaust pipe from being damaged in the manufacturing period of a plasma display panel and after the manufacture of the plasma display panel is finished. Moreover, no bulges or independent components are required to be arranged on an aluminum backplane owing to the existence of the protection ring, thus ensuring simple structure and convenient installation of the aluminum backplane structure.
Description
Technical field
The plasma display panel that the utility model relates to a kind of exhaust pipe structure and has this exhaust pipe structure.
Background technology
At present, plasma display is owing to its lighter and thinner advantage is widely used.The display panel of plasma scope is to charge into a certain amount of working gas (normally inert mixed gas) under vacuum state, utilize this working gas in a vacuum discharge generation vacuum-ultraviolet light (VUV) excite three primary colors fluorescent powder to produce the red, green, blue three-color light-emitting, form the image that shows through room and time modulation then.In general, the plasma display panel of plasma display comprises prebasal plate and the metacoxal plate that is oppositely arranged, and is provided with arc chamber between prebasal plate and the metacoxal plate.When making plasma display panel, need at first arc chamber to be evacuated by blast pipe, charge into working gas (that is inert mixed gas) then and carry out plasma treatment.After plasma treatment finishes, blast pipe is carried out sealed-off, specifically, blast pipe is carried out localized heating, thereby blast pipe is owing to be heated and because the inside and outside gas pressure difference of pipe and to internal strain, until caliber be reduced into zero and blast pipe disconnect from this distortion.At present, this sealed-off process can be finished by manual operation or two kinds of methods of mechanically actuated operation.But,, adopt manual operation mostly owing to the cost reason.
Present employed exhaust pipe structure only comprises blast pipe and sealing ring usually, so exist not enough: when manual operation is carried out sealed-off to blast pipe, being difficult to accurately aim at blast pipe carries out localized heating on the one hand, on the other hand, because blast pipe is made by fragile materials such as glass usually, so in the manual operation process the impact that may bring and blast pipe is caused damage so that influence the sealing of blast pipe.
After the plasma display panel manufacturing is finished, also might be impacted and be damaged from the outstanding blast pipe of the metacoxal plate of display panel.In order to protect blast pipe not to be damaged; existing solution is projection to be set or lobed parts are set separately on aluminium backboard (it is used for covering on the metacoxal plate), so that utilize this projection the blast pipe after the sealed-off is covered to avoid it owing to external impact is damaged.But this method is owing to projection being set on the aluminium backboard, maybe needing to be provided with independent parts and make structure and install complicated.
The utility model content
The utility model is devoted to overcome the above-mentioned defective of prior art just and is made.The purpose of this utility model is to provide a kind of exhaust pipe structure, and it can protect blast pipe not to be damaged during the manufacturing of plasma display panel and after the plasma display panel manufacturing is finished.
The utility model provides a kind of exhaust pipe structure, and the sealing ring that it comprises blast pipe and is arranged at blast pipe one end place, exhaust pipe structure further comprise guard ring, and guard ring is arranged on the sealing ring around blast pipe.
Preferably, the guard ring height is selected concordantly with the height after the blast pipe sealed-off.
Preferably, the guard ring height is 1/3～1/2 of a blast pipe.
Preferably, guard ring is made by metal material.
The utility model also provides a kind of plasma display panel; it comprises prebasal plate and the metacoxal plate that is oppositely arranged; metacoxal plate is provided with and is formed at the steam vent that prebasal plate is connected with arc chamber between the metacoxal plate; steam vent is connected with exhaust pipe structure after the sealed-off, and exhaust pipe structure comprises blast pipe, be arranged at the sealing ring at described blast pipe one end place and described blast pipe and be arranged at guard ring on the sealing ring.
Preferably, the height of guard ring is concordant with the height after the blast pipe sealed-off.
Preferably, guard ring is made by metal material.
Can protect blast pipe not to be damaged during the manufacturing of plasma display panel and after the plasma display panel manufacturing is finished according to exhaust pipe structure of the present utility model.And, because the existence of guard ring, and make and need projection or independent parts be set on the aluminium backboard, thereby make the simple in structure and easy for installation of aluminium backboard.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is in order to provide further instruction to claimed the utility model.
Description of drawings
The accompanying drawing of forming the part of this specification helps further to understand the utility model, and these accompanying drawings illustrate embodiment more of the present utility model, and can be used for illustrating principle of the present utility model with specification.In the accompanying drawing:
Fig. 1 shows the sectional view according to exhaust pipe structure of the present utility model;
Fig. 2 shows the overlooking surface figure according to exhaust pipe structure of the present utility model;
Fig. 3 shows the schematic diagram that is connected in plasma display panel according to exhaust pipe structure of the present utility model; And
Fig. 4 shows the sectional view according to plasma display panel of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is elaborated.But the utility model is not limited to these embodiment, but the multitude of different ways that can be defined by the claims and cover is implemented.In the accompanying drawing, identical parts are represented with identical label.
Comprise prebasal plate 21 and the metacoxal plate 22 that is oppositely arranged Deng sub-panel 20, prebasal plate 21 is sealed by sealing-in frame 24 with metacoxal plate 22, and form Packed arc chamber (also claiming working space) 23 between prebasal plate 21 and the metacoxal plate 22, and metacoxal plate 22 is provided with the steam vent (not shown).
The process of utilizing above-mentioned exhaust pipe structure 10 manufacturing plasma display panels is described below in conjunction with accompanying drawing.
At first will be installed on the steam vent top of metacoxal plate 22 according to exhaust pipe structure 10 of the present utility model, because the high temperature that in the course of work subsequently, is produced, the sealing ring 13 of exhaust pipe structure 10 is softened, thereby blast pipe 11 and metacoxal plate 22 are sealed.Then, the other end with the blast pipe 11 of this exhaust pipe structure 10 links together with vacuum plant 30 and aerating device 40 respectively by triple valve.
Then, utilize vacuum plant 30 arc chamber 23 to be evacuated, utilize aerating device 40 to charge into working gas then so that display panel 20 is carried out plasma treatment by blast pipe 11.After plasma treatment finishes, blast pipe 11 is carried out sealed-off, specifically, near the highest point of aligning guard ring 12 blast pipe 11 is fully heated, until blast pipe 11 sealed-off.Because the existence of guard ring 12; make the blast pipe 11 of guard ring more than 12 be able to abundant heating; thereby make the sealed-off position that to aim at blast pipe 11 by manual operation exactly, make that promptly the sealed-off height of blast pipe 11 is suitable with the height of guard ring 12, thereby improved consistency.In addition, because guard ring 12 is arranged at the periphery of blast pipe 11, thus can effectively protect blast pipe 11, thus avoided blast pipe 11 owing to external impact is damaged in follow-up making and in using.
Below the detailed description of some embodiment has been provided various explanations to the utility model specific embodiment.But the multitude of different ways that the utility model can be defined by the claims and cover is implemented.This description taken in conjunction accompanying drawing carries out, and identical in the accompanying drawings parts are represented with identical label.
Claims (7)
1. exhaust pipe structure, the sealing ring (13) that it comprises blast pipe (11) and is arranged at described blast pipe one end place is characterized in that,
Described exhaust pipe structure (10) further comprises guard ring (12), and described guard ring is arranged on the described sealing ring (13) around described blast pipe (11).
2. exhaust pipe structure according to claim 1 is characterized in that, described guard ring (12) is highly selected concordantly with the height after described blast pipe (11) sealed-off.
3. exhaust pipe structure according to claim 2 is characterized in that, described guard ring (12) highly is 1/3～1/2 of a described blast pipe (11).
4. exhaust pipe structure according to claim 1 is characterized in that, described guard ring (12) is made by metal material.
5. plasma display panel; it comprises prebasal plate (21) and the metacoxal plate (22) that is oppositely arranged; described metacoxal plate (22) is provided with and is formed at the steam vent that described prebasal plate (21) is connected with arc chamber between the described metacoxal plate (22); described steam vent is connected with exhaust pipe structure (10) after the sealed-off; it is characterized in that described exhaust pipe structure comprises blast pipe (11), be arranged at the sealing ring (13) at described blast pipe (11) one end places and be arranged at guard ring (12) on the described sealing ring (13) around described blast pipe (11).
6. plasma display panel according to claim 5 is characterized in that, the height of described guard ring (12) is concordant with the height after described blast pipe (11) sealed-off.
7. plasma display panel according to claim 5 is characterized in that, described guard ring (12) is made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201905497U CN201156513Y (en) | 2007-12-03 | 2007-12-03 | Air exhausting pipe construction and plasma display board having such construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201905497U CN201156513Y (en) | 2007-12-03 | 2007-12-03 | Air exhausting pipe construction and plasma display board having such construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156513Y true CN201156513Y (en) | 2008-11-26 |
Family
ID=40104290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201905497U Expired - Fee Related CN201156513Y (en) | 2007-12-03 | 2007-12-03 | Air exhausting pipe construction and plasma display board having such construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201156513Y (en) |
-
2007
- 2007-12-03 CN CNU2007201905497U patent/CN201156513Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20161203 |