CN1716510A - Vacuum gas supplementary structure - Google Patents
Vacuum gas supplementary structure Download PDFInfo
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- CN1716510A CN1716510A CN 200410062306 CN200410062306A CN1716510A CN 1716510 A CN1716510 A CN 1716510A CN 200410062306 CN200410062306 CN 200410062306 CN 200410062306 A CN200410062306 A CN 200410062306A CN 1716510 A CN1716510 A CN 1716510A
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- vacuum gas
- supplementary structure
- gas supplementary
- tonifying
- panel
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Abstract
The vacuum gas supplementary structure set on the panel of planar display includes one panel with at least one hole; one gas supplementary material configured between holes; and one gas supplementing chamber configured onto the panel to cover the gas supplementary material and the holes and with notched inside and one hole in the surface leading to outside. During vacuum pumping, the gas supplementary material is used to form chemical vacuum state inside the vacuum gas supplementary structure and to form sufficient vacuum degree between the cathode plate and the anode plate of the panel so as to make the electron beam the cathode plate generates excite the anode phosphor powder to glow inside the cavity.
Description
Technical field
The present invention relates to a kind of vacuum gas supplementary structure, relate in particular to a kind of vacuum gas supplementary structure that on panel, is provided with, and with the vacuum gas supplementary structure of new tonifying Qi material configuration in vacuum gas supplementary structure inside.After vacuumizing, can provide sufficient vacuum degree and electron beam that the negative electrode of panel is produced is pulled the trigger anode fluorescent powder in chamber and luminous.
Background technology
Known vacuum display device, as VFD (as No. the 5635795th, United States Patent (USP)), CRT, FED (as No. the 6084344th, United States Patent (USP)), one vacuum chamber is set is used to provide a free path, the electron beam that negative electrode is produced is pulled the trigger anode fluorescent powder layer and luminous in chamber.
Vacuum degree in this class vacuum display device chamber is about 10
-5To 10
-7Torr.But,, can't guarantee the vacuum degree life-span of chamber though can utilize vacuum equipment to make chamber keep aforementioned vacuum degree through encapsulation again.Because still constantly generating unit is divided the ease gas phenomenon of denier, thereby cause vacuum degree to be degenerated in long-time back.Ease gas source mainly comprises encapsulating material, encapsulating structure itself, and the built-in material in the vacuum subassembly structure, as the anode and cathode electrode compound, and electron emission source layer, phosphor powder layer or the like.In addition, in the assembly course of work, because changes in material also can produce ease gas, as the ease gas of fluorescent powder in the generation of being generated heat by the electron excitation process, this type of ease gas not only can reduce the vacuum degree in the chamber, even may poison the material of electron emission source or the material of fluorescent powder, cause efficient to reduce.
Therefore, known vacuum display device is for keeping vacuum degree and the material efficiency and the life-span of chamber, at vacuum chamber one tonifying Qi chamber (getter box) is set, the indoor a kind of tonifying Qi material (getter) that is provided with of tonifying Qi, the tonifying Qi material is to be the metal material of main component with barium, through activation process pure barium powder is exposed and large tracts of land launch indoor attached to tonifying Qi, thereby increase surface area and effective indoor a small amount of ease gas or the trace molecule of adsorbent chamber.
Because known barium powder material need activate by the high temperature more than 700 ℃, the barium powder surface area after the activation is big, so the barium powder need be contained in the specific region and represents effect.But because the needed temperature of activation is quite high, and activation process need avoid material such as electron emission source or phosphor powder layer etc. in other chamber, and barium powder district in activation back has a particular area to produce characterization of adsorption simultaneously.Therefore, known technology presents the picture that the tonifying Qi chamber is arranged on display in zone (effective coverage) on every side, this often causes invalid zone to become big, current flat-panel screens need increase effective area with the trend that increases the market competitiveness under, this is unusual adverse factors.
Content of the present invention
The objective of the invention is to overcome above-mentioned shortcoming.The invention provides the problem that a brand-new vacuum gas supplementary structure and tonifying Qi material solve known technology.The conductance of vacuum gas supplementary structure can shorten the time of bleeding, reduce cost and gross thickness little, can drop to minimumly for the thickness effect of flat-panel screens, and can overcome the problem of corner vacuum degree deficiency in the planar structure.Simultaneously, vacuum gas supplementary structure can be used as the enhancing rib, can increase the intensity of minus plate planar structure in the big set of regions air chamber design of elongated, overcomes in the Tip-Off processing procedure owing to the flat glass sliver problem that causes is slowed down by localized hyperthermia.In addition, can also improve tonifying Qi material (getter) and place quantity and increase vacuum degree, adding the low and activation of tonifying Qi material (getter) activation temperature does not influence built-in material, can reduce the utilization of inactive area area greatly.
For achieving the above object, the invention provides a kind of vacuum gas supplementary structure, comprising: a panel has at least one hole on the panel; One tonifying Qi material is configured between the Kong Yukong of panel; One tonifying Qi chamber, the tonifying Qi chamber is configured on the panel, and covers the hole on tonifying Qi material and the panel, and it has a hole from the teeth outwards to inner recess, and this hole communicates with the tonifying Qi outdoor.
Utilize vacuum gas supplementary structure of the present invention, can reduce the inactive area area greatly.
Brief description of drawings
Fig. 1 is the stereoscopic schematic diagram of the vacuum gas supplementary structure of one embodiment of the invention;
Fig. 2 is the another side schematic diagram of the vacuum gas supplementary structure of one embodiment of the invention;
Fig. 3 is the perspective exploded view that the vacuum gas supplementary structure of one embodiment of the present of invention combines with the panel of flat-panel screens;
Fig. 4 combines the schematic perspective view of finishing for the vacuum gas supplementary structure of one embodiment of the invention with the panel of flat-panel screens;
Fig. 5 is the section cross-sectional schematic of Fig. 4.
The primary clustering conventional letter is tabulated as follows:
Vacuum gas supplementary structure tonifying Qi chamber 11 1
Hole 12,31,31 ' body 13
Positive plate 4 spaces 5
Tonifying Qi material 6
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Fig. 1 and Fig. 2 are respectively the stereoscopic figure of vacuum gas supplementary structure of the present invention and the schematic diagram of another side.As shown in the figure, vacuum gas supplementary structure of the present invention uses on the panel (not shown) of flat-panel screens (as Field Emission Display), thereby panel forms a free path vacuumizing the back, and the electron beam that the negative electrode of panel is produced is pulled the trigger anode fluorescent powder and luminous in chamber.
Vacuum gas supplementary structure (Getter box) 1 utilizes a flat glass hot-forming, perhaps utilizes the glass paste ejection formation, is made into curved surface list structure or plate-like structure, has the tonifying Qi chamber 11 that is recessed to form to inside on it.One hole 12 is arranged on the surface of vacuum gas supplementary structure 1, and hole 12 communicates with 11 inside, tonifying Qi chamber.
The spatial vertical that tonifying Qi chamber 11 and minus plate (not shown) constitute greater than (but being not limited to) 2.5mm, can provide good conductance rate apart from the degree of depth.
Fig. 3, Fig. 4 be respectively vacuum gas supplementary structure of the present invention combine with the panel of flat-panel screens work perspective exploded view and the combination schematic diagram.Fig. 5 is the cross section cross-sectional schematic of Fig. 4.As shown in the figure, vacuum gas supplementary structure 1 combines when vacuumizing operation with panel 2, at first, on the minus plate 3 of panel 2, be provided with at least one hole 31 (in the present embodiment, be provided with three holes 31,31 '), hole 31,31 ' run through minus plate 3, and communicate with space 5 between minus plate 3 and the positive plate 4.
With tonifying Qi material (Getter) 6 be placed on the hole 31 of minus plate 3 and hole 31 ' between, and arrange according to the shape of vacuum gas supplementary structure.The tonifying Qi material is the alloy powder material of baric, and in the present embodiment, this tonifying Qi material is provided by SAES company, and model is St122, only 450 ℃ of activation temperatures, and can large tracts of land not be adsorbed on the tonifying Qi chamber 11 after the activation.The external form of tonifying Qi material can be processed as required and is provided with, to cooperate the utilization of tonifying Qi material.
Utilize glass cement with tonifying Qi material 6 anchor at the hole 31 of minus plate 3 and hole 31 ' between, again vacuum gas supplementary structure 1 is combined on the minus plate 3 of panel 2, and cover hole 31,31 ' and tonifying Qi material 6, and configuration one body 13 on the hole 12 of vacuum gas supplementary structure 1, body 13 with can vacuumize after outside vacuum pumping pump is connected.Utilize tonifying Qi material 6 to make the inner chemical vacuum state that forms of vacuum gas supplementary structure 1, provide a free path between the minus plate 3 of panel 2 and positive plate 4, the electron beam that makes minus plate 3 generations of panel 2 is pulled the trigger anode fluorescent powder and luminous in chamber.
In sum, advantage of the present invention is as follows:
1, the conductance that provides of curved surface vacuum gas supplementary structure 1 can shorten the time of bleeding, and reduces cost;
2, because tonifying Qi chamber 11 has only about 2.5mm thick, curved surface vacuum gas supplementary structure 1 gross thickness is also little, can drop to minimum to the thickness effect of flat-panel screens;
3, the big set of regions air chamber design of elongated can overcome the problem of corner vacuum degree deficiency in the planar structure;
4, vacuum gas supplementary structure 1 can be used as the enhancing rib, so the design of the big set of regions air chamber of elongated can increase the intensity of minus plate planar structure, overcomes owing to the flat glass sliver problem that causes is slowed down by localized hyperthermia in the Tip-Off processing procedure;
5, its function matches with long slim tonifying Qi material (getter), can improve tonifying Qi material (getter) and place quantity and increase vacuum degree, and only increase the thickness of about 2.5mm, does not influence the requirement of flat-panel screens to frivolous characteristic;
6, it is arranged on a side of minus plate 3, activation temperature low and the activation do not influence built-in material, can reduce the inactive area area greatly.
The above is the preferred embodiments of the present invention, is not that any equivalent transformation and improvement that every the present invention of utilization did include in claim of the present invention to claim restriction of the present invention.
Claims (13)
1. a vacuum gas supplementary structure is configured on the flat-panel screens, it is characterized in that, comprises the tonifying Qi chamber that is recessed to form to inside, and a hole is arranged from the teeth outwards, and described hole communicates with the tonifying Qi chamber interior.
2. vacuum gas supplementary structure according to claim 1 is characterized in that described vacuum gas supplementary structure is hot-forming by a flat glass.
3. vacuum gas supplementary structure according to claim 1 is characterized in that described vacuum gas supplementary structure is by the glass paste ejection formation.
4. vacuum gas supplementary structure according to claim 1 is characterized in that, described vacuum gas supplementary structure is the curved surface list structure.
5. vacuum gas supplementary structure according to claim 1 is characterized in that, described vacuum gas supplementary structure is a plate-like structure.
6. vacuum gas supplementary structure according to claim 1 is characterized in that, further comprises: a panel and tonifying Qi material, and described panel is provided with at least one hole; Described tonifying Qi material configuration is between the Kong Yukong of panel; Described tonifying Qi chamber is configured in the hole that covers on the described panel on described tonifying Qi material and the described panel;
When vacuumizing operation, utilize the tonifying Qi material to make the inner chemical vacuum state that forms of vacuum gas supplementary structure, provide a free path between the minus plate of panel and positive plate, the electron beam that the minus plate of panel is produced is pulled the trigger anode fluorescent powder and luminous in chamber.
7. vacuum gas supplementary structure according to claim 6 is characterized in that described panel is made of minus plate and positive plate.
8. vacuum gas supplementary structure according to claim 6 is characterized in that the hole on the described panel is located on the minus plate, run through minus plate and with minus plate and positive plate between the space that forms communicate.
9. vacuum gas supplementary structure according to claim 6 is characterized in that, the alloy powder material that described tonifying Qi material is a baric.
10. vacuum gas supplementary structure according to claim 9 is characterized in that, the activation temperature of described tonifying Qi material is 450 ℃, and can not produce large tracts of land barium powder and be adsorbed on the tonifying Qi chamber after the activation.
11. vacuum gas supplementary structure according to claim 6 is characterized in that, described tonifying Qi material can utilize glass cement to anchor on the minus plate.
12. vacuum gas supplementary structure according to claim 6 is characterized in that, the spatial vertical that described tonifying Qi chamber and minus plate constitute greater than 2.5mm, can provide good conductance rate apart from the degree of depth.
13. vacuum gas supplementary structure according to claim 6 is characterized in that, configuration one body on the hole of described vacuum gas supplementary structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410062306 CN1716510A (en) | 2004-07-01 | 2004-07-01 | Vacuum gas supplementary structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410062306 CN1716510A (en) | 2004-07-01 | 2004-07-01 | Vacuum gas supplementary structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1716510A true CN1716510A (en) | 2006-01-04 |
Family
ID=35822201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410062306 Pending CN1716510A (en) | 2004-07-01 | 2004-07-01 | Vacuum gas supplementary structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1716510A (en) |
-
2004
- 2004-07-01 CN CN 200410062306 patent/CN1716510A/en active Pending
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| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |