CN1545123A - Plasma display unit - Google Patents
Plasma display unit Download PDFInfo
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- CN1545123A CN1545123A CNA2003101164335A CN200310116433A CN1545123A CN 1545123 A CN1545123 A CN 1545123A CN A2003101164335 A CNA2003101164335 A CN A2003101164335A CN 200310116433 A CN200310116433 A CN 200310116433A CN 1545123 A CN1545123 A CN 1545123A
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Abstract
The invention discloses a plasma display device with uniform discharging property, mainly setting a gas exhausting/filling buffer layer between the display area and the venthole, which makes impurities produced during gas exhausting/filling or tube sealing course collected between the buffer layer and the sealed wall, and using absorption layer to absorb these impurities, further avoiding them from resulting in abnormality of discharging property of the plasma display unit, so as to prevent the phenomenon of nonuniform picture quality in its partial areas.
Description
Technical field
The present invention relates to a kind of plasm display device, particularly design a kind of plasm display device with even flash-over characteristic (uniform discharge characteristic).
Background technology
In recent years, various novel planar displays (flat panel display; FPD) constantly development and Design is come out, for example LCD (liquid crystal display; LCD), (organic light emitting diode OLED) and plasma scope, has to replace conventional cathode ray tube (cathode ray tube gradually organic light emitting display; CRT) trend.Wherein, plasma scope is a kind ofly to produce luminous flat-panel screens by gas discharge, its maximum characteristic be light, approach, be easy to maximize and do not have the visual angle problem.
Plasma display mainly is to utilize the mode of electrode discharge stored charge to come display frame, because it has large-screen, high power capacity and can show characteristics such as full color (full-color) image, and the plasma display technology is studied concurrent exhibition gradually can hang on outdoor large-scale two-d display panel, and being called is one of flat-panel screens technology of following tool potentiality.
Please refer to Fig. 1, Fig. 1 illustrates the cross-sectional view of traditional plasma display 10.The structure of traditional plasma display 10 mainly is made of a prebasal plate 12 that be arranged in parallel and a metacoxal plate 14.Comprising a plurality of transverse electrodes 20 on prebasal plate 12 surfaces is used as and keeps electrode (sustaining electrode).In addition, comprising a protective layer 26 on prebasal plate 12 surfaces covers and keeps electrode 20.
Then be provided with a plurality of barrier ribs (barrier rib) 28 on the metacoxal plate 14, it is parallel and equidistantly be arranged on the surface of the dielectric layer on the metacoxal plate 14.There is a gap between the forward and backward substrate 12,14, and described a plurality of barrier rib (barrier rib) 28 is used for this separated is become a plurality of discharge spaces 16, and common one red discharge space, a green discharge space and a blue discharge space are called as a discharge space group.Metacoxal plate 14 also comprises a plurality of longitudinal electrodes 22, and it is formed on the surface of two infrabasal plates 14 between the barrier rib 28, be used as data electrode (data electrode), and described dielectric layer is covered on this longitudinal electrode 22.In addition, one fluorescence coating 29 is coated in the discharge space 16, usually in order to make plasma scope 10 reach the purpose of full-colorization, can be formed on metacoxal plate 14 surfaces and barrier rib 28 sidewalls of different discharge spaces by fluorescence coating red with having, blue respectively, the green characteristics of luminescence.In addition, this metacoxal plate 14 also has an air vent hole 50, in order to carrying out follow-up bleed, pour into discharge gas (as: Ar, Xe) and tube sealing technology.
Above-mentioned transverse electrode 20, discharge space 16, longitudinal electrode 22, barrier rib 28 and the fluorescence coating 29 that is positioned at 14 of prebasal plate 12 and metacoxal plates is called as plasma display unit 30, and all plasma display units 30 constitute a viewing area 32 in this plasma display 10, referring to Fig. 2, Fig. 2 illustrates the structure of traditional plasma display 10.After the manufacture process of the viewing area of finishing plasma scope, involution material 40 be formed at two substrates around, come this plasma display 10 of involution.Then, referring to Fig. 3, plasma scope 10 utilizes the air vent hole 50 of this substrate and gas pump 60 to carry out the follow-up technology of bleeding and pouring into discharge gas.
In the manufacture process of traditional plasma display, as in forming the barrier rib or the process of involution material, the use of organic solvent and the generation of waste gas are inevitable often.Yet, plasma scope bleed and the process of tube sealing in, impurity is easy to be brought near the air vent hole 50 by air-flow, and residue in the viewing area 32, thus, can have a strong impact near the flash-over characteristic of the plasma display unit 30 of air vent hole, cause regional area image quality and display characteristic inequality and unusual phenomenon to occur.
Therefore, reducing the ratio of interior residual impurity of plasma scope and discharge gas, take place to avoid the unusual phenomenon of plasma display unit flash-over characteristic, is target that urgency is to be studied in the Plasma Display Technology.
Summary of the invention
In view of this, in order to address the above problem, the present invention's main purpose is between viewing area and air vent hole the configuration one aeration resilient coating of bleeding, make bleeding-aeration or tube sealing process in institute produce to such an extent that impurity is concentrated on this and bleeds between aeration resilient coating and the involution wall, and utilize an adsorption layer to be absorbed, and then avoid impurity to cause the flash-over characteristic of plasma display unit unusual, to prevent the phenomenon of plasma scope regional area image quality inequality.
For obtaining above-mentioned purpose, the plasm display device with even flash-over characteristic of the present invention comprises one first substrate, and wherein this first substrate has a first surface, and this first substrate can be the header board of plasm display device; This plasma display unit also has one second substrate, and this second substrate is disposed on this first substrate, and relative with described first surface with second surface, and in addition, this second substrate can be the back plate of plasm display device.Around this first substrate and this second substrate, have an involution wall, and this involution wall is used for this first substrate of involution and this second substrate.Have a viewing area between the described second surface of the described first surface of this first substrate and second substrate, this viewing area comprises a plurality of plasma display units.In addition, this plasma display unit also has one or more air vent holes simultaneously, these air vent holes run through second substrate outside this viewing area, and having one or more aeration resilient coatings of bleeding, these resilient coatings are formed on the second surface between this viewing area and the corresponding air vent hole.And this plasma display unit also has one or more adsorption layers, and this adsorption layer is formed on the described first surface of this first substrate outside this viewing area.
According to the plasm display device with even flash-over characteristic of the present invention, wherein this second surface of bleeding between aeration resilient coating and the involution wall constitutes a first area, and the corresponding zone of bleed aeration resilient coating and first area and first surface constitutes a second area, and this adsorption layer also can partly or all be formed in this second area of this first surface.
According to the plasm display device with even flash-over characteristic of the present invention, wherein this second surface of bleeding between aeration resilient coating and the involution wall constitutes a first area, and the corresponding zone of bleed aeration resilient coating and this first area and this first surface system constitutes a second area, and this adsorption layer also can link to each other with this second area of this first surface.
Plasm display device with even flash-over characteristic of the present invention also can be implemented in another way, and it comprises one first substrate at least, and this first substrate has a first surface, and this first substrate can be the header board of plasm display device.This plasma display unit also comprises one second substrate, and this second substrate is disposed on this first substrate, and relative with described first surface with second surface, and this second substrate can be the back plate of plasm display device.In addition, around this first substrate and this second substrate, also have an involution wall, and this involution wall is used for this first substrate of involution and this second substrate.Have a viewing area between the described second surface of the described first surface of this first substrate and this second substrate, this viewing area comprises a plurality of plasma display units.In addition, this plasma display unit also has one or more air vent holes simultaneously, it runs through second substrate outside this viewing area, and have one or more aeration resilient coatings of bleeding, it is formed on the second surface of this second substrate between this viewing area and the corresponding air vent hole, wherein, this second surface of bleeding between aeration resilient coating and the involution wall constitutes a first area, and the corresponding zone of bleed aeration resilient coating and this first area and first surface constitutes a second area.Yet, on the first surface of this first substrate, also have a protection adsorption layer, and should protect adsorption layer, and extend to the border of second area corresponding to this viewing area.
According to the plasm display device with even flash-over characteristic of the present invention, wherein this protection adsorption layer extends in this second area.
According to the plasm display device with even flash-over characteristic of the present invention, wherein further comprise one or more adsorption layers, it is formed on the first surface of this first substrate between this protection adsorption layer and this involution wall.
Description of drawings
For above-mentioned purpose, the feature that makes the present invention can become apparent, cited below particularlyly go out preferred embodiment, and conjunction with figs. is described in detail below:
Fig. 1 is the cross-sectional view that the traditional plasma display is shown;
Fig. 2 is the structure perspective view that the traditional plasma display is shown;
Fig. 3 illustrates the traditional plasma display to bleed-aeration process schematic diagram;
Fig. 4 is the structure perspective view that illustrates according to the preferred embodiment of plasm display device of the present invention;
Fig. 5 is the cross-sectional view that illustrates according to the preferred embodiment of plasma scope of the present invention;
Fig. 6 is the partial enlarged drawing that plasma scope shown in Figure 4 is shown;
Fig. 7 a to Fig. 7 b is the part-structure schematic diagram that illustrates according to the preferred embodiment of plasma scope of the present invention;
Fig. 8 a to Fig. 8 e is the part-structure schematic diagram that illustrates according to other preferred embodiment of plasma scope of the present invention;
Fig. 9 a to Fig. 9 c is the part-structure schematic diagram that illustrates according to other preferred embodiment of plasma scope of the present invention; And
Figure 10 a to Figure 10 b is the part-structure schematic diagram that illustrates according to other preferred embodiment of plasma scope of the present invention.
Embodiment
Plasm display device with even flash-over characteristic of the present invention, its characteristics are to form the aeration resilient coating of bleeding, this aeration resilient coating of bleeding is disposed between the viewing area and air vent hole of second substrate, and on first substrate configuration one adsorption layer, when this correlation of bleeding aeration resilient coating and this adsorption layer meets the structure of plasm display device of the present invention, can be effectively with in the plasm display device manufacture process, the impurity (impurity) of bleeding-being produced in aeration and the tube sealing process is concentrated and is adsorbed in outside the viewing area, to keep the operate as normal of plasma display unit in the plasm display device.Below, be example with conjunction with figs. and with the plasm display device, describe the plasm display device with even flash-over characteristic of the present invention in detail.
At first, please refer to Fig. 4 and Fig. 5, they illustrate the preferred embodiment of plasma scope of the present invention, are used for further explaining the relativeness of the present invention and each parts.As shown in Figure 4, this plasma display unit 100 has one first substrate 102; And one second substrate, 104, the second substrates 104 are arranged under this first substrate 102 abreast, and have a viewing area 132 of being made up of a plurality of plasma display unit between this first substrate 102 and this second substrate 104; One involution wall 140, it is used for encapsulation and link this first substrate 102 and this second substrate 104; And one or more air vent holes 150, it runs through second substrate 104 outside this viewing area.Wherein, as shown in Figure 5, plasma display unit 130 of the present invention comprises: a transverse electrode 120, and it is formed on this first substrate 102; One protective layer 126, it is covered in this transverse electrode 120; One longitudinal electrode 122, it is formed on this second substrate 104; One dielectric layer 124, it is covered on this longitudinal electrode 122; A pair of barrier rib 128, it is formed at the both sides of this longitudinal electrode 122; One fluorescence coating 129, it is formed on barrier rib 128 and the dielectric layer 124; An and discharge space 144.Please refer to Fig. 6, Fig. 6 is the partial enlarged drawing of the 4th figure, plasm display device 100 with even flash-over characteristic is characterised in that the aeration resilient coating 160 of bleeding, this resilient coating 160 is formed on second substrate 104 between this viewing area 132 and the corresponding air vent hole 150, and an adsorption layer 162 is formed on first substrate 102 between this viewing area 132 and this involution wall 140.Wherein, this aeration resilient coating 160 of bleeding is used for concentrating on and bleeds-impurity that produced in aeration and the tube sealing process, to avoid this diffusion of impurities to the viewing area 132, its material can be an involution material, and this aeration resilient coating 160 of bleeding can be an identical materials with this involution wall also, for example is glass cement; This adsorption layer 162 is used for absorbing the impurity of being concentrated by this aeration resilient coating of bleeding; its material can be magnesium compound, aluminide or zirconium thing; and in a preferred embodiment of the invention, this adsorption layer can be identical material with this protective layer, for example is magnesium oxide.Please refer to Fig. 5, this aeration resilient coating 160 of bleeding constitutes a first area 164 with this involution wall 140 on second substrate 104, and this bleed aeration resilient coating 160 and this first area 164 constitute a second area 166 corresponding to the zone of first substrate 102, in this preferred embodiment, these adsorption layer 162 parts are formed in the second area 166 of this second substrate.In another preferred embodiment of the present invention, this adsorption layer 162 also can be completed in the second area 166 of this second substrate, shown in Fig. 7 a; And in other preferred embodiment of the present invention, this adsorption layer 162 also can link to each other with the second area 166 of this second substrate, shown in Fig. 7 b.
The shape of the aeration resilient coating of bleeding of the present invention with and can design as required and in addition and change with the relative position of air vent hole and adsorption layer.Please refer to Fig. 8 a to Fig. 8 c, the generalized section of other preferred embodiment of the present invention shown in the figure.The zone that this aeration resilient coating 160 of bleeding is constituted on second substrate 104 also can optionally be designed to other shape except can be for strip, for example can be the L type, shown in Fig. 8 a; In another preferred embodiment of the present invention, the zone that this aeration resilient coating 160 of bleeding is constituted on this second substrate 104 also can be a notch cuttype, shown in Fig. 8 b and Fig. 8 c.In addition, this adsorption layer 162 of the present invention also can optionally be designed to a plurality of blocks, shown in Fig. 8 d; And this adsorption layer 162 also can further be contained in first substrate 102 corresponding to this air vent hole 150, shown in Fig. 8 e.
In addition; plasm display device with even flash-over characteristic of the present invention; because this adsorption layer can further be made of the protective layer identical materials with this viewing area; therefore in some preferred embodiment of the present invention; on first substrate 102, form a protection adsorption layer 170 to replace protective layer and adsorption layer simultaneously; please refer to Fig. 9 a to Fig. 9 c; in other words; this protection adsorption layer 170 not only is formed on this first substrate 102 at these 132 places, viewing area, also is formed at simultaneously on first substrate 102 between this viewing area 132 and this involution wall 140.In a preferred embodiment, at least one border 172 of this protection adsorption layer 170 can be positioned at this second area 166, shown in Fig. 9 a; And in another preferred embodiment, at least one border 172 of this protection adsorption layer 170 also can link to each other with the border of this second area, shown in Fig. 9 b; In other preferred embodiment, this protection adsorption layer 170 also can optionally be designed to other shape, shown in Fig. 9 c except being the rectangle.
In addition; please refer to Figure 10 a and Figure 10 b; plasm display device 100 with protection adsorption layer 170 of the present invention; except utilizing protection adsorption layer 170 to adsorb the impurity; one or more adsorption layers 162 of also can optionally arranging in pairs or groups, this adsorption layer 162 are formed on first substrate 102 between this protection adsorption layer 170 and this involution wall 140.Wherein at least one border of this adsorption layer 162 can be positioned at this second area, shown in Figure 10 a, also can link to each other with the border of this second area 166, shown in Figure 10 b.
In sum, plasm display device with even flash-over characteristic of the present invention, by design at adsorption layer, the correlation between aeration resilient coating and the air vent hole of bleeding, the impurity of will bleed effectively-being produced in aeration or the tube sealing process concentrates on outside the viewing area, and utilize adsorption layer to be absorbed, avoid the contaminating impurity viewing area and influence the flash-over characteristic of plasma display unit, to obtain the plasm display device of even flash-over characteristic.
In addition, plasm display device with even flash-over characteristic of the present invention, this adsorption layer can further form with identical materials in identical step with this protective layer, just forms a protection adsorption layer, is used for replacing simultaneously adsorption layer and protective layer; And; this aeration resilient coating of bleeding also can form with identical materials in identical step with this involution wall; therefore; also can be in the step of known graphical protective layer and involution wall to above-mentioned both designed; do not need extra processing step and equipment, just can realize the plasm display device with even flash-over characteristic of the present invention, thus; can under the prerequisite that does not increase any manufacturing time and cost, significantly promote the usefulness of plasm display device.
Though top the present invention is open with preferred embodiment; but it is not to be used for limiting scope of the present invention; those skilled in the art can make various changes and retouching without departing from the spirit and scope of the invention, so protection scope of the present invention is as the criterion when looking accompanying Claim book qualification person.
Claims (22)
1. plasm display device comprises:
First substrate has a first surface;
Second substrate is disposed on this first substrate, and relative with the first surface of this first substrate with a second surface;
The involution wall, its be positioned at this first substrate and this second substrate around, in order to this first substrate of involution and this second substrate
The viewing area is formed between the second surface of the first surface of this first substrate and this second substrate;
At least one air vent hole, it runs through second substrate outside this viewing area;
At least one aeration resilient coating of bleeding, it is formed on the second surface of second substrate between this viewing area and the corresponding air vent hole; And
At least one adsorption layer is formed on the first surface of first substrate outside this viewing area.
2. plasm display device as claimed in claim 1, wherein, this second surface of bleeding second substrate between aeration resilient coating and the involution wall constitutes a first area, and bleed aeration resilient coating and this first area constitute a second area corresponding to the zone of the first surface of first substrate, and this adsorption layer partly or entirely is formed in this second area of this first surface.
3. plasm display device as claimed in claim 1, wherein, this second surface of bleeding second substrate between aeration resilient coating and the involution wall constitutes a first area, and bleed aeration resilient coating and this first area constitute a second area corresponding to the zone of first surface, and this adsorption layer links to each other with the second area of this first surface.
4. plasm display device as claimed in claim 1, wherein, the material of this adsorption layer is magnesium compound, aluminide or zirconium thing.
5. plasm display device as claimed in claim 1, wherein, the material of adsorption layer is a magnesium oxide.
6. plasm display device as claimed in claim 1, wherein, the viewing area also comprises a protective layer, it is formed on the first surface of this first substrate, and the material of this protective layer is identical with the material of this adsorption layer.
7. plasm display device as claimed in claim 1, wherein, the viewing area also comprises a protective layer, it is formed on the first surface of first substrate, and this protective layer links to each other with this adsorption layer.
8. plasm display device as claimed in claim 1, wherein, the zone that the aeration resilient coating of bleeding is constituted on the second surface of second substrate is strip, L shaped or stairstepping.
9. plasm display device as claimed in claim 1, wherein, the material of the aeration resilient coating of bleeding is an involution material.
10. plasm display device as claimed in claim 1, wherein, the material of this aeration resilient coating of bleeding is a glass cement.
11. plasm display device as claimed in claim 1, wherein, the material of this aeration resilient coating of bleeding is identical with the material of involution wall.
12. a plasm display device comprises:
First substrate has a first surface;
Second substrate, it is disposed on this first substrate, and relative with the first surface of this first substrate with a second surface;
The involution wall, its be positioned at this first substrate and this second substrate around, in order to this first substrate of involution and this second substrate
The viewing area, it is formed between the second surface of the first surface of this first substrate and this second substrate;
At least one air vent hole runs through second substrate outside this viewing area;
At least one aeration resilient coating of bleeding, it is formed on the second surface of second substrate between this viewing area and the corresponding air vent hole, and this bleed between aeration resilient coating and the involution wall second surface constitute a first area, and bleed aeration resilient coating and this first area constitute a second area corresponding to the zone of the first surface of this first substrate; And
The protection adsorption layer, it is formed on the first surface of this first substrate, and corresponding to this viewing area, and extends to the border of this second area.
13. plasm display device as claimed in claim 12, wherein, the material of this protection adsorption layer is a magnesium oxide.
14. plasm display device as claimed in claim 12, wherein, the zone that the aeration resilient coating of bleeding is constituted on the second surface of second substrate is strip, L shaped or stairstepping.
15. plasm display device as claimed in claim 12, wherein, the material of the aeration resilient coating of bleeding is the involution material.
16. plasm display device as claimed in claim 12, wherein, the material of the aeration resilient coating of bleeding is a glass cement.
17. plasm display device as claimed in claim 12, wherein, the material of the aeration resilient coating of bleeding is identical with the material of this involution wall.
18. plasm display device as claimed in claim 12, wherein, the protection adsorption layer extends in the second area.
19. plasm display device as claimed in claim 12 also comprises one or more adsorption layers, it is formed on the first surface of first substrate between protection adsorption layer and the involution wall.
20. plasm display device as claimed in claim 19, wherein, the material of adsorption layer is magnesium compound, aluminide or zirconium thing.
21. plasm display device as claimed in claim 19, wherein, the material of adsorption layer is a magnesium oxide.
22. plasm display device as claimed in claim 19, wherein, the material of adsorption layer is identical with the material of this protection adsorption layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101164335A CN1545123A (en) | 2003-11-21 | 2003-11-21 | Plasma display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101164335A CN1545123A (en) | 2003-11-21 | 2003-11-21 | Plasma display unit |
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| Publication Number | Publication Date |
|---|---|
| CN1545123A true CN1545123A (en) | 2004-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101164335A Pending CN1545123A (en) | 2003-11-21 | 2003-11-21 | Plasma display unit |
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| CN (1) | CN1545123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101421813B (en) * | 2006-04-10 | 2012-05-30 | 株式会社爱发科 | Manufacturing method of sealed panel, and plasma display panel |
-
2003
- 2003-11-21 CN CNA2003101164335A patent/CN1545123A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101421813B (en) * | 2006-04-10 | 2012-05-30 | 株式会社爱发科 | Manufacturing method of sealed panel, and plasma display panel |
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