CN1979729A - Pressure regulation apparatus of plasma display panel - Google Patents
Pressure regulation apparatus of plasma display panel Download PDFInfo
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- CN1979729A CN1979729A CNA2005101110781A CN200510111078A CN1979729A CN 1979729 A CN1979729 A CN 1979729A CN A2005101110781 A CNA2005101110781 A CN A2005101110781A CN 200510111078 A CN200510111078 A CN 200510111078A CN 1979729 A CN1979729 A CN 1979729A
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Abstract
A kind of pressure adjusting equipment for plasma display panel, is a pressure adjusting equipment that includes the formation Y-port and frontal panel of maintaining electrode, the back panel of the address electrode that is formed by being arranged intersectionally with the Y-port and maintaining electrode, the partition that is formed between the frontal panel and back panel to divide discharge unit, a vent that connects with the vent pipe is formed at least on the frontal panel or the back panel and the discharge gas that is used to perform the plasma discharge between the frontal panel and the back panel, includes: the pressure induction section that induces the external atmospheric pressure; the pressure adjusting section that adjusts the discharge gas pressure of plasma display panel in accordance with the pressure that is induced by the pressure induction section; the control section that controls the atmospheric pressure induction of the pressure induction section and the discharge gas pressure of pressure adjusting section. The invention will adjust the pressure in the plasma display panel in accordance with the change of ambient atmospheric pressure, therefore even the atmospheric pressure changes, but the using effect of the plasma display panel will be kept stable.
Description
Technical field
The present invention is the technology of relevant Plasmia indicating panel, especially about changing according to circumferential pressure, adjusts the pressure regulation apparatus of a kind of Plasmia indicating panel of Plasmia indicating panel internal pressure.
Background technology
In general, Plasmia indicating panel is that the partition wall that forms between front substrate and the back substrate forms a unit cell, and the main discharge gas of mist (Ne+He) of containing neon (Ne), helium (He) or neon and helium and so on and the not active gases of small amount of xenon are arranged in each unit.When discharging because of high frequency voltage, active gases does not produce vacuum ultraviolet (Vacuum Ultraviolet rays), and makes the light-emitting phosphor that forms between the partition wall, embodies portrait.Such Plasmia indicating panel can be realized thin and light formation, therefore receives much attention as display device of future generation.
Fig. 1 is the schematic diagram of the general Plasmia indicating panel structure of expression.
As shown in Figure 1, Plasmia indicating panel is front panel 100 and the parallel at certain intervals combination of back faceplate panels 110.Front panel is to show that be arranged with scan electrode 102 on the display surface-face glass 101 of portrait and keep 103 one-tenths dimorphisms one-tenth of electrode a plurality of keep electrode pair; Back faceplate panels be form have on the back surface glass 111 at the back side can with above-mentioned a plurality of electrode dual crossings of keeping, arranged a plurality of address electrodes 113.
If explanation has the Plasmia indicating panel manufacture method of this structure, just as shown in Figure 2.
Fig. 2 is the schematic diagram of the general Plasmia indicating panel manufacture method of expression.
As shown in Figure 2, general Plasmia indicating panel manufacture method is to make the front panel of Plasmia indicating panel by front panel manufacture process 200, by faceplate panels behind the back faceplate panels manufacture process 210 manufacturing Plasmia indicating panels.
Above-mentioned front panel manufacture process 200 is described here, earlier.
Step 201, the face glass top that becomes the front panel equipment form that a plurality of to keep electrode two.
Step 202, afterwards, it is two to cover the above-mentioned electrode of keeping, and upper dielectric layer is formed at face glass top.
Step 203, upper dielectric layer top form the protective layer with the MgO material of protection upper dielectric layer.Process by such produces front panel.
Besides bright back faceplate panels manufacture process 210.
Step 211, on the glass top, back that is becoming above-mentioned back faceplate panels equipment, can with above-mentioned front panel keep electrode dual crossing subtend, form a plurality of address electrodes.
Step 212, afterwards, can the overlay address electrode, lower dielectric layer is formed at the top of back surface glass.
Step 213 also forms on lower dielectric layer and is intended to the partition wall in dividing discharge space.
Step 214, afterwards, the discharge space of being divided by above-mentioned partition wall is with interior formation fluorescence coating.
Step 220, front panel of Zhi Zaoing and back faceplate panels are with bonded to each other like this.
Step 230 is eliminated the impure gas between bonding like this front panel and the back faceplate panels, and gives between front panel and the back faceplate panels and inject discharge gas.
Afterwards, by engineering such as burning till, driver module is additional, finish Plasmia indicating panel.
As if the impure gas that is described in more detail between above-mentioned elimination front panel and the back faceplate panels, and give the engineering of injecting discharge gas between front panel and the back faceplate panels, with regard in the following example shown in Fig. 3 a to Fig. 3 d here.
Fig. 3 a to Fig. 3 d is the schematic diagram for exhaust that is described in more detail Fig. 2 and gas implantation step.
At first, with reference to Fig. 3 a, in the adhesion step of the symbol 220 of Fig. 2, give the certain sealing of spraying (Seal) part 32 between front panel and the back faceplate panels, the edge of front panel and back faceplate panels is provided with certain compression member 31 such as clip, makes it bonding mutually.Like this, face that form is called panel 30 to front panel with the back faceplate panels is bonding.In addition, an end of this panel 30 forms the exhaust outlet 33 of discharging inner remaining impure gas to the outside.
With reference to Fig. 3 b, utilize certain exhaust component 36 to discharge between above-mentioned the adhesion step 220 bonding front panel and back faceplate panels to the outside, i.e. foreign bodys such as the moisture content of panel 30 inside or nitrogen by blast pipe 34.At this moment, blast pipe 34 will be inserted into the exhaust outlet 33 of Fig. 3 a, also to blast pipe 34 and the fixing seal 35 of using of panel 30 tangent part spraying blast pipes, blast pipe 34 can not come off, and fix.
With reference to Fig. 3 c, give between front panel and the back faceplate panels by blast pipe 34 with certain gas injection part 37, i.e. panel 30 inner injections contain the main discharge gas of mist of neon (Ne), helium (He) or neon and helium and so on and the not active gases of small amount of xenon.
With reference to Fig. 3 d, be intended to inject discharge gas or in order to give outside blast pipe 34 of discharging the impure gas in the panel from outside seal.At this moment, can also can seal applicable several different methods with the method sealing blast pipe of certain seal of packing in the supply and exhaust pipe 34 with the method for thermal exhaust pipe jointing.Like this, the point of sealing blast pipe 34 is expressed as symbol 38.
Afterwards, cut off the blast pipe 34 of (Cutting) sealing state.
The Plasmia indicating panel of Zhi Zaoing is shown in above-mentioned Fig. 3 c like this, give between front panel and the back faceplate panels, promptly the gas injection part 37 that panel 30 inner utilization are certain injects the main discharge gas of mist of containing neon, helium or neon and helium and so on and the not active gases-discharge gas of small amount of xenon by blast pipe 34.At this moment, the affiliated regional atmospheric pressure according to using relevant Plasmia indicating panel is injected into panel 30 gas inside amounts with adjustment.
Give one example, make the higher highlands of height above sea level, the panel internal pressure of the Plasmia indicating panel that use in the area that promptly atmospheric pressure is lower is relatively low, will inject discharge gas.Here, as described above such, if want the relatively low panel internal pressure that is provided with, just should reduce the amount of the discharge gas that is injected into panel inside.In contrast, make the higher area of height above sea level, promptly the panel internal pressure of the Plasmia indicating panel that uses of the higher area of atmospheric pressure is higher relatively, will inject discharge gas.Here, as described above such, if the panel internal pressure will higherly relatively be set, just should increase the amount of the discharge gas that is injected into panel inside.
Like this, according to the atmospheric pressure that uses the Plasmia indicating panel area, the reason of adjusting the panel internal pressure is, if the panel internal pressure excessively is higher than atmospheric pressure, the sealing of panel is just destroyed, and the discharge gas of panel inside might expose to the outside; Or the panel internal pressure is excessively less than atmospheric pressure, support front panel and afterwards the partition wall of faceplate panels be subjected to relative strong pressure, collapse phenomenon may appear.Therefore, as mentioned above,, adjust the panel internal pressure according to using Plasmia indicating panel area atmospheric pressure size.
But such method should produce different separately Plasmia indicating panels according to the area of using Plasmia indicating panel.Give one example, Plasmia indicating panel that will use in Mexican high mountain area and the Plasmia indicating panel that will local under the line tropical rain forest area uses are fabricated to and make it have mutual different panels internal pressure during fabrication.As a result, the Plasmia indicating panel that is fabricated to tropical rain forest area use that can be local under the line can not use in Mexican high mountain area.
So, because of confirm in advance will territory of use atmospheric pressure, during the design Plasmia indicating panel, can only make it be fit to relevant regional atmospheric pressure, need to adjust the panel internal pressure, have the engineering more complicated, finally cause Plasmia indicating panel to make the problem that unit price rises.
Summary of the invention
To the objective of the invention is in order addressing the above problem, the pressure regulation apparatus of such Plasmia indicating panel to be provided, that is,, also can stablize the pressure regulation apparatus of a kind of Plasmia indicating panel that uses Plasmia indicating panel even atmospheric pressure changes.
To achieve these goals, the pressure regulation apparatus of Plasmia indicating panel of the present invention is the front panel that forms scan electrode and keep electrode as comprising, the back faceplate panels of formation and scan electrode and the address electrode of keeping the electrode crossing arrangement, form between front panel and the back faceplate panels can the dividing discharge unit partition wall, front panel is gone up the exhaust outlet that formation is intended to be connected blast pipe with at least one in the faceplate panels of back, front panel and back have between the faceplate panels pressure regulation apparatus of Plasmia indicating panel of the discharge gas that is intended to carry out plasma discharge described, comprise that following part is characteristics: the pressure sensitive portion of induction (Sensing) external pressure; According to the atmospheric size of pressure sensitive portion induction, adjust the pressure adjustment part of above-mentioned Plasmia indicating panel internal discharge gas pressure; The control part that the atmospheric pressure induction of controlled pressure induction part and the discharge gas pressure of pressure adjustment part are adjusted.
In addition, the pressure adjustment part comprises that it is characteristics that discharge gas cylinder that is connected with blast pipe and the pressure of adjusting the Plasmia indicating panel internal discharge gas flow that flow into the discharge gas cylinder internal are adjusted piston.
In addition, the pressure adjustment part is, if the atmospheric pressure size of pressure sensitive portion induction diminishes, just reduces the discharge gas amount that flow into the discharge gas cylinder internal, and the discharge gas pressure that reduces Plasmia indicating panel inside is characteristics.
In addition, the pressure adjustment part is characteristics by a driving in oil pressure or the air pressure.
In addition, the pressure adjustment part is more than 450torr (torr), and the following scope of 550torr (torr) is characteristics with the discharge gas pressure of interior adjustment Plasmia indicating panel inside.
Effect of the present invention:
As mentioned above, the pressure regulation apparatus of Plasmia indicating panel of the present invention and utilize the pressure method of adjustment of this equipment to have and adjust the panel internal pressure according to atmospheric variation, even atmospheric pressure changes, also can stablize the effect of using Plasmia indicating panel.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the schematic diagram of the general Plasmia indicating panel structure of expression.
Fig. 2 is the schematic diagram of the general Plasmia indicating panel manufacture method of expression.
Fig. 3 a to Fig. 3 d is the schematic diagram for exhaust that is described in more detail Fig. 2 and gas implantation step.
Fig. 4 is the schematic diagram for explanation Plasmia indicating panel pressure regulation apparatus of the present invention.
Fig. 5 is the schematic diagram that utilizes the pressure method of adjustment of Plasmia indicating panel pressure regulation apparatus of the present invention for explanation.
Fig. 6 is the schematic diagram for the example in pressure adjustment part of the Plasmia indicating panel pressure regulation apparatus of the present invention that is described in more detail Fig. 4.
Fig. 7 a to Fig. 7 b is a schematic diagram of adjusting an example for the pressure of explanation pressure adjustment part.
The symbol description of major part in the accompanying drawing:
40: pressure sensitive portion 41: control part
42: the pressure adjustment part
Embodiment
Pressure regulation apparatus to Plasmia indicating panel of the present invention is elaborated below with reference to accompanying drawings.
Fig. 4 is the schematic diagram for explanation Plasmia indicating panel pressure regulation apparatus of the present invention.
As shown in Figure 4, comprise pressure sensitive portion 40 and pressure adjustment part 42 and control part 41.
Pressure sensitive portion 40 comprises the certain pressure inductor, induction (Sensing) Plasmia indicating panel external pressure.
The discharge gas pressure of Plasmia indicating panel inside is adjusted according to the atmospheric pressure size of above-mentioned pressure sensitive portion 40 inductions in pressure adjustment part 42.
The adjustment of the atmospheric pressure induction of control part 41 controlled pressure adjustment parts 42 and pressure sensitive portion 40 and the discharge gas pressure of pressure adjustment part 42.
If in conjunction with Fig. 5, describe the action of the pressure regulation apparatus of this Plasmia indicating panel of the present invention in detail, just as described below.
Fig. 5 is the schematic diagram that utilizes the pressure method of adjustment of Plasmia indicating panel pressure regulation apparatus of the present invention for explanation.
With reference to Fig. 5, S500, at first, the Plasmia indicating panel internal pressure is set to certain pressure.In this S500 step, the step that the panel internal pressure is set is to inject certain discharge gas to panel inside, moves this process with this.
In addition, Plasmia indicating panel comprises and forms scan electrode and keep front panel, formation and the scan electrode of electrode and keep the partition wall that formation between back faceplate panels, front panel and the back faceplate panels of the address electrode that electrode crossing arranges can the dividing discharge unit.In addition, form the exhaust outlet that is connected blast pipe on above-mentioned front panel and at least one in the faceplate panels of back.Give the certain discharge gas that injects between the front panel of such Plasmia indicating panel and the back faceplate panels at plasma discharge, by the S500 step panel internal pressure is set with this.
S501, induction (Sensing) such Plasmia indicating panel external pressure.Here, the induction of above-mentioned Plasmia indicating panel external pressure is comprised pressure sensitive portion 40 operations of certain pressure inductor.This pressure sensitive portion 40 should be contained in and be intended to support and fixing certain framework of Plasmia indicating panel.
If an example of this atmospheric pressure induction of explanation is as follows.
Give one example, when making Plasmia indicating panel, suppose that the external pressure of Plasmia indicating panel is set to 1 air pressure, and relevant therewith Plasmia indicating panel internal discharge gas pressure is set to 10., need to prove that it is not specific unit that panel internal discharge gas pressure is assumed to be 10 here, but simple on illustrating is provided with arbitrarily.Here, with atmospheric pressure is that 1 air pressure is corresponding, Plasmia indicating panel internal discharge gas pressure is set under 10 the state, if relevant Plasmia indicating panel moves to the high relatively area of height above sea level, it is lower than Plasmia indicating panel internal discharge gas pressure 10 corresponding atmospheric pressure 1 air pressure that the Plasmia indicating panel external pressure just becomes.In contrast, if move to the low relatively area of height above sea level, it is higher than Plasmia indicating panel internal discharge gas pressure 10 corresponding atmospheric pressure 1 air pressure that the Plasmia indicating panel external pressure just becomes.Such change of atmospheric pressure is by pressure sensitive portion 40 inductions that comprise the certain pressure inductor.
S502 compares the atmospheric value of this S501 step induction and the corresponding atmospheric value of discharge gas pressure of Plasmia indicating panel inside, judges whether the atmospheric value of induction is bigger.That is, judge whether present Plasmia indicating panel external pressure increases.
S503, the judged result of above-mentioned S502 step, if atmospheric pressure increases, i.e. the atmospheric value of S501 step induction just increases the panel internal pressure greater than the corresponding atmospheric value of Plasmia indicating panel internal discharge gas pressure.
S504, in addition, the judged result of above-mentioned S502 step, if atmospheric pressure does not increase, just judge whether atmospheric pressure reduces, promptly compare the atmospheric value and the corresponding atmospheric value of Plasmia indicating panel internal discharge gas pressure of S501 step induction, judge whether the atmospheric pressure of induction is littler.
S505, the judged result of above-mentioned S504 step, if atmospheric pressure reduces, i.e. the atmospheric value of S501 step induction just reduces the panel internal pressure less than the corresponding atmospheric value of Plasmia indicating panel internal discharge cell pressure.
S506, in addition, the judged result of above-mentioned S504 step, if atmospheric pressure does not reduce, the Plasmia indicating panel external pressure does not change, and just keeps Plasmia indicating panel internal discharge gas pressure.
Pressure regulation apparatus at the Plasmia indicating panel of the present invention that moves like this is described in more detail pressure adjustment part 42, just as shown in Figure 6.
Fig. 6 is the schematic diagram for the example in pressure adjustment part that is described in more detail Fig. 4 Plasmia indicating panel pressure regulation apparatus of the present invention.
As shown in Figure 6, at the pressure regulation apparatus of Plasmia indicating panel of the present invention, pressure adjustment part 42 comprises discharge gas cylinder 62 and pressure adjustment piston 61.
It is amounts of adjusting the panel 60 internal discharge gases that flow into discharge gas cylinder 62 inside that pressure is adjusted piston 61.
If it is this pressure adjustment part 42 actions are described, just as described below in conjunction with Fig. 7 a and Fig. 7 b.
Fig. 7 a to Fig. 7 b is a schematic diagram of adjusting an example for the pressure of explanation pressure adjustment part.
At first, with reference to Fig. 7 a, as mentioned above, when atmospheric pressure increases, the atmospheric value that is 40 inductions of Fig. 4 pressure sensitive portion is greater than the corresponding atmospheric value of Plasmia indicating panel 60 internal discharge gas pressures, make the discharge gas that flow into above-mentioned discharge gas cylinder 62 inside can enter into Plasmia indicating panel 60 inside, pressure is adjusted piston 61 and is moved to the direction of discharging discharge gas cylinder 62 internal discharge gases.Therefore, increase panel 60 internal pressures.
On the contrary, with reference to Fig. 7 b, as mentioned above, when atmospheric pressure reduces, the atmospheric value that is 40 inductions of Fig. 4 pressure sensitive portion is less than the corresponding atmospheric value of Plasmia indicating panel 60 internal discharge gas pressures, make Plasmia indicating panel 60 internal discharge gases can flow into above-mentioned discharge gas cylinder 62 inside, pressure is adjusted piston 61 and is moved to the discharge gas cylinder 62 inner directions of discharge gas that attract.Therefore, reduce panel 60 internal pressures.
Dong Zuo pressure adjustment part 42 should be driven by one of oil pressure or air pressure like this.
In addition, pressure adjustment part 42 should be more than 450torr (torr), and the following scope of 550torr (torr) is with the discharge gas pressure of interior adjustment Plasmia indicating panel inside.That is, less relatively in the higher relatively area of height above sea level because of the atmospheric pressure size, have only Plasmia indicating panel internal discharge gas pressure to maintain about 450torr (holder), could the stabilized driving Plasmia indicating panel.In addition, relatively large in the relatively low area of height above sea level because of the atmospheric pressure size, have only Plasmia indicating panel internal discharge gas pressure to maintain about 550torr, could the stabilized driving Plasmia indicating panel.
Like this, change, adjust panel internal discharge gas pressure automatically,, also can carry out stable driving even external pressure changes according to the Plasmia indicating panel external pressure.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1, a kind of pressure regulation apparatus of Plasmia indicating panel, as comprise and form scan electrode and keep front panel, formation and the scan electrode of electrode and keep the partition wall that formation between back faceplate panels, front panel and the back faceplate panels of the address electrode that electrode crossing arranges can the dividing discharge unit, above-mentioned front panel is gone up the exhaust outlet that formation is intended to be connected blast pipe with at least one in the faceplate panels of back, the Plasmia indicating panel pressure regulation apparatus of the discharge gas that is intended to plasma discharge is arranged between above-mentioned front panel and the back faceplate panels, it is characterized in that:
The pressure sensitive portion of induction external pressure;
According to the atmospheric size of pressure sensitive portion induction, adjust the pressure adjustment part of above-mentioned Plasmia indicating panel internal discharge gas pressure;
Control the control part of the discharge gas pressure adjustment of the atmospheric pressure induction of above-mentioned pressure sensitive portion and above-mentioned pressure adjustment part.
2, the pressure regulation apparatus of Plasmia indicating panel as claimed in claim 1 is characterized in that above-mentioned pressure adjustment part is to comprise:
The discharge gas cylinder that is connected with above-mentioned blast pipe;
Adjustment flow into the pressure of the above-mentioned Plasmia indicating panel internal discharge gas flow of above-mentioned discharge gas cylinder internal and adjusts piston.
3, the pressure regulation apparatus of Plasmia indicating panel as claimed in claim 2 is characterized in that:
When above-mentioned pressure adjustment part diminishes in the atmospheric pressure size of above-mentioned pressure sensitive portion induction, just reduce the amount of the discharge gas that flow into above-mentioned discharge gas cylinder internal, reduce the discharge gas pressure of above-mentioned Plasmia indicating panel inside.
4, the pressure regulation apparatus of Plasmia indicating panel as claimed in claim 2 is characterized in that:
Above-mentioned pressure adjustment part is driven by one of oil pressure or air pressure.
5, as the pressure regulation apparatus of claim 1 or 2 or 3 or 4 described Plasmia indicating panels, it is characterized in that:
Above-mentioned pressure adjustment part is more than 450 torrs, and the following scope of 550 torrs is with the discharge gas pressure of the above-mentioned Plasmia indicating panel of interior adjustment inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101110781A CN1979729A (en) | 2005-12-02 | 2005-12-02 | Pressure regulation apparatus of plasma display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101110781A CN1979729A (en) | 2005-12-02 | 2005-12-02 | Pressure regulation apparatus of plasma display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1979729A true CN1979729A (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101110781A Pending CN1979729A (en) | 2005-12-02 | 2005-12-02 | Pressure regulation apparatus of plasma display panel |
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| CN (1) | CN1979729A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794438A (en) * | 2011-12-31 | 2014-05-14 | 四川虹欧显示器件有限公司 | Plasma display screen |
| CN108609290A (en) * | 2018-04-24 | 2018-10-02 | 惠州市华星光电技术有限公司 | The packaging structure and liquid crystal display device of liquid crystal display panel |
-
2005
- 2005-12-02 CN CNA2005101110781A patent/CN1979729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794438A (en) * | 2011-12-31 | 2014-05-14 | 四川虹欧显示器件有限公司 | Plasma display screen |
| CN108609290A (en) * | 2018-04-24 | 2018-10-02 | 惠州市华星光电技术有限公司 | The packaging structure and liquid crystal display device of liquid crystal display panel |
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