CN100428394C - Plasma display possessing closed type discharging trough and its manufacturing method - Google Patents
Plasma display possessing closed type discharging trough and its manufacturing method Download PDFInfo
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- CN100428394C CN100428394C CNB031225594A CN03122559A CN100428394C CN 100428394 C CN100428394 C CN 100428394C CN B031225594 A CNB031225594 A CN B031225594A CN 03122559 A CN03122559 A CN 03122559A CN 100428394 C CN100428394 C CN 100428394C
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- barrier rib
- wall thickness
- closed discharge
- variation
- discharge groove
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Abstract
The present invention discloses a plasma display with enclosed discharge grooves, and the manufacture of the plasma display combines a sintering process. The plasma display comprises a glass base plate and a plurality of enclosed discharge grooves, wherein the enclosed discharge groove is positioned on the glass base plate and is respectively formed by enclosing a plurality of blocking walls. At least one blocking wall of the blocking walls has changeable wall thickness, wherein the blocking wall with changeable wall thickness has changeable wall thickness before the sintering process and has changeable wall height after the sintering process.
Description
Technical field
(plasma display panel PDP) and manufacture method, and is particularly related to a kind of plasma display and manufacture method thereof with closed discharge groove (cell) to the present invention relates to a kind of plasma display.
Background technology
Generally speaking, the technology of plasma display can be divided into upper substrate technology, infrabasal plate technology, involution technology, heating/bleed/enclose inert gas technology and packaging technology.
Upper substrate technology is included in and places two strip electrodes (sparking electrode and bus electrode), dielectric layer and diaphragm in each discharge groove.Infrabasal plate technology comprises electrode making, reflective with dielectric layer making, barrier rib (barrier rib) making and fluorescent material coating.Outside the barrier rib divide discharge groove, also has the function that supports upper and lower substrate.After upper and lower substrate process is finished, carry out the contraposition involution technology of back segment again, promptly utilize low-melting glass glue that two plate bases are binded.Promptly carry out the panel vacuum exhaust behind the substrate involution, be about to pour into after the interior gas of panel extracts totally the inert gas of discharge usefulness.Final step is substrate and the circuit assembling for finishing then.
Consider the readability of the image quality of plasma display, be used for the enclosed discharge groove of the many employings of discharge groove of plasma display now.Therefore, owing to be divided into millions of closed discharge grooves in the panel, it is consuming time very long therefore will to reach the efficient vacuum state, is one of bottleneck of volume production.
Simultaneously with reference to Figure 1A and Figure 1B.Figure 1A shows the schematic diagram of the closed discharge groove of tool rectangle gabarit in traditional plasma display, and Figure 1B shows the stereogram that shows the zone corresponding to frame of broken lines among Figure 1A.Traditional plasma display 100 mainly includes the closed discharge groove 120 of glass substrate 110 and a plurality of tool rectangle gabarits.
Closed discharge groove 120 is positioned on the glass substrate 110, and each closed discharge groove 120 is surrounded by four barrier ribs 130.
As shown in the figure, all barrier ribs 130 that intercept closed discharge groove 120 all have the high H1 of identical wall.Therefore, when glass substrate 110 and another glass substrate (not shown) involution finish when becoming panel, 120 of all closed discharge grooves can't be communicated with.Therefore, when carrying out the technology of the vacuum exhaust in the panel thereafter, just need to expend long time and bleed, just can make the state that reaches vacuum in the panel.
Simultaneously with reference to Fig. 2 A and Fig. 2 B.Fig. 2 A shows the schematic diagram that has the closed discharge groove of honeycomb gabarit in traditional plasma display, and Fig. 2 B shows the stereogram that shows the zone corresponding to frame of broken lines among Fig. 2 A.The gabarit of closed discharge groove also can be as shown in the figure, is the closed discharge groove 220 of tool honeycomb gabarit.A plurality of closed discharge grooves 220 are positioned on the glass substrate 210, and each discharge groove 220 is surrounded the shape of honeycomb by six barrier ribs 230.
Though the closed discharge groove 220 of tool honeycomb gabarit is different with the closed discharge groove 120 of tool rectangle gabarit on gabarit, but its all barrier rib 230 also all has the high H2 of identical wall, so the panel behind the involution has the character of the one-tenth vacuum state that makes of being difficult for bleeding equally.
So the shortcoming that plasma display had of the above-mentioned traditional closed discharge groove of tool is: all barrier ribs that intercept closed discharge groove all have same barrier rib height, make that the panel behind the involution is effectively bled than difficult, cause and the very long time of bleeding just can make the state that reaches vacuum in the panel.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of plasma display and manufacture method thereof with closed discharge groove is being provided.The air of its panel inside after making involution is easy to be extracted totally, and it is comparatively pure that the inert gas of enclosing panel inside thereafter is able to, and makes plasma display that good display quality can be arranged.
According to above-mentioned purpose, the present invention proposes a kind of plasma display with closed discharge groove.The manufacturing of this plasma display is to cooperate sintering process.This plasma display comprises: glass substrate and a plurality of closed discharge groove.A plurality of closed discharge grooves are positioned on the glass substrate, and these a little closed discharge grooves are surrounded by a plurality of barrier rib respectively, and have the barrier rib of a variation wall thickness in these a little barrier ribs at least.Wherein barrier rib is carried out sintering process, the barrier rib that up till now changed wall thickness at sintering process has the wall thickness of variation, and this barrier rib that changes wall thickness then has the wall height of variation behind sintering process.
In addition, the present invention also proposes the manufacturing method for plasma displays of the closed discharge groove of a kind of tool.Comprise: at first, cover the barrier rib material layer on glass substrate; Then, the painting photoresist layer is on the barrier rib material layer; Then, exposure and development photoresist layer, make and form a plurality of closed discharge groove photoresist layers on the barrier rib material layer, these a little closed discharge groove photoresist layers are surrounded by a plurality of barrier rib photoresist layers respectively, at least have the barrier rib photoresist layer of a variation wall thickness in these a little barrier rib photoresist layers, this barrier rib photoresist layer that changes wall thickness has the wall thickness of variation; Then, remove the barrier rib material layer that exposes; Then, take off the photoresist layer; At last, the barrier rib material layer of sintering patterning.In above-mentioned manufacture method, when being photosensitive material, then can adopt in addition to be similar to above-mentioned but comparatively easy manufacture method as if the barrier rib material layer.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. elaborate.
Description of drawings
Figure 1A is for showing the schematic diagram of the closed discharge groove of tool rectangle gabarit in traditional plasma display;
Figure 1B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Figure 1A;
Fig. 2 A is for showing the schematic diagram that has the closed discharge groove of honeycomb gabarit in traditional plasma display;
Fig. 2 B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Fig. 2 A;
Fig. 3 A is for showing the schematic diagram according to the closed discharge groove of tool rectangle gabarit in the plasma display of the preferred embodiments of the present invention;
Fig. 3 B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Fig. 3 A;
Fig. 4 A is for showing the schematic diagram according to the closed discharge groove of tool honeycomb gabarit in the plasma display of the preferred embodiments of the present invention;
Fig. 4 B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Fig. 4 A;
Fig. 5 is the flow chart of demonstration according to the manufacturing method for plasma displays of the closed discharge groove of tool of the preferred embodiments of the present invention; And
Fig. 6 is the flow chart of demonstration according to the another kind of manufacture method of the plasma display of the closed discharge groove of tool of the preferred embodiments of the present invention.
Wherein, being described as follows of Reference numeral:
100,200,300,400: plasma display;
110,210,310,410: glass substrate;
120,220,320,420: closed discharge groove;
130,230,330,430: barrier rib;
H1, H2, H31, H32, H41, H42: wall height; And
T31, T32, T41, T42: wall thickness.
Embodiment
Simultaneously with reference to Fig. 3 A and Fig. 3 B.Fig. 3 A is for showing the schematic diagram that has the closed discharge groove of rectangle gabarit in the plasma display according to the preferred embodiments of the present invention, and Fig. 3 B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Fig. 3 A.The manufacturing of plasma display 300 is to cooperate a sintering process to carry out.Plasma display 300 mainly includes the closed discharge groove 320 of glass substrate 310 and a plurality of rough tool rectangle gabarits.
Closed discharge groove 320 is positioned on the glass substrate 310, and as shown in FIG., each closed discharge groove 320 surrounds by four barrier ribs 330.Before sintering process, have at least a barrier rib to have the wall thickness T 31 and the T32 of variation in these four barrier ribs.
For same barrier rib 330, inhomogenous wall thickness T 31 can make with T32 and produce the barrier rib with the high H31 of different walls, H32 by the barrier rib 330 that intercepts closed discharge groove 320 behind sintering process.That is wall thickness T 32 can produce the less high H32 of wall because less behind sintering; And wall thickness T 31 is bigger, just can produce the high H31 of bigger wall behind sintering.
And in four barrier ribs 330 that surround closed discharge groove 320, as long as there is a barrier rib 330 to have inhomogenous wall thickness, just can make it behind sintering process, produce one and have the high barrier rib 330 of wall of variation, and can make this closed discharge groove 320 be communicated with adjoining closed discharge groove 320.
All barrier ribs 330 that surround closed discharge groove 320 shown in the figure all have bigger wall thickness distolateral, so behind sintering, this has the barrier rib of inhomogenous wall thickness a bit, just can become to have the high barrier rib of inhomogenous wall.So, the closed discharge groove 320 that intercepts of promising barrier rib can circulate mutually, during air in the panel after extracting involution, will be more or less freely.
Simultaneously with reference to Fig. 4 A and Fig. 4 B.Fig. 4 A is for showing the schematic diagram according to the closed discharge groove of tool honeycomb gabarit in the plasma display of the preferred embodiments of the present invention, and Fig. 4 B is for showing the stereogram that shows the zone corresponding to frame of broken lines among Fig. 4 A.The manufacturing of plasma display 400 also is to cooperate a sintering process to carry out.Plasma display 400 mainly includes the closed discharge groove 420 of glass substrate 410 and a plurality of rough tool honeycomb gabarits.
The closed discharge groove 420 of tool honeycomb gabarit is surrounded by six barrier ribs 430.Identical with closed discharge groove 320 with rectangle gabarit, among its six barrier ribs 430, also have the wall thickness T 41 of a tool variation, the barrier rib 430 of T42 at least.
This barrier rib 430 promptly can correspondingly produce the barrier rib 430 that has the high H41 of higher wall, hangs down the high H42 of wall behind sintering.Thus, behind the panel involution, can be interconnected between each closed discharge groove 420.The air that extracts panel inside will be more or less freely, more easily makes panel inside reach the state of vacuum.
The shape of the gabarit of above-mentioned closed discharge groove is not in order to limit the present invention.Before sintering process, any closed discharge groove that meets the gabarit with arbitrary shape of the wall thickness with at least one variation all can make it behind sintering, reaches the present invention and wishes to get the high purpose of wall that each closed discharge groove all has at least one variation.So that upper and lower glass substrate involution is when becoming panel, the closed discharge groove in the panel is interconnected, and conveniently bleeds the state that is easy to reach vacuum that makes for panel inside.
In addition, corresponding to the plasma display of the closed discharge groove of tool of the invention described above, the present invention also proposes the manufacturing method for plasma displays of the closed discharge groove of a kind of tool.With reference to Fig. 5, it is for showing the flow chart according to the manufacturing method for plasma displays with closed discharge groove of the preferred embodiments of the present invention.Its step comprises: at first, in step 500, begin the technology with plasma display of closed discharge groove of the present invention.Then, in step 510, cover one deck barrier rib material layer earlier on glass substrate.Then, in step 520, coating one deck photoresist layer is on the barrier rib material layer.Afterwards, in step 530, exposure and this photoresist layer that develops, make and form a plurality of closed discharge groove photoresist layers on the barrier rib material layer, these a little closed discharge groove photoresist layers are surrounded by a plurality of barrier rib photoresist layers respectively, have at least one barrier rib photoresist layer in these a little barrier rib photoresist layers, this barrier rib photoresist layer then has the wall thickness of variation.The gabarit of above-mentioned closed discharge groove photoresist layer then can be approximately slightly rectangle or approximately slightly honeycomb.Then, in step 540, remove the barrier rib material layer that exposes.And the mode of removing the barrier rib material layer can adopt sandblast or etched technology.Then, in step 550, take off the photoresist layer.Afterwards, in step 560, the barrier rib material layer that sintering is patterned.At last, process ends in step 570.
In the above-mentioned manufacture method, when being photosensitive material, then can adopt comparatively easy technology as if the barrier rib material layer.With reference to Fig. 6, it is shown to be flow chart according to the another kind of manufacture method of the plasma display with closed discharge groove of the preferred embodiments of the present invention.Its step comprises: at first, in step 600, begin the technology with plasma display of closed discharge groove of the present invention.Then, in step 610, cover the barrier rib material layer earlier on glass substrate.Then, in step 620, expose and develop this barrier rib material layer, make and form a plurality of closed discharge grooves on the glass substrate, these a little closed discharge grooves are surrounded by a plurality of barrier rib respectively, have at least one barrier rib in these a little barrier ribs, and this barrier rib then has the wall thickness of variation.The gabarit of these a little closed discharge grooves then can be approximately slightly rectangle or approximately slightly honeycomb.Afterwards, in step 630, the barrier rib material layer that sintering is patterned.At last, process ends in step 640.
Above-mentioned two kinds of manufacture methods all can produce the plasma display with closed discharge groove of the present invention.And disclosed plasma display and the manufacture method thereof with closed discharge groove of the above embodiment of the present invention, at least the advantage that has is: intercept and have at least a barrier rib to have the wall height of variation in the barrier rib of each closed discharge groove, make all can be interconnected through between each closed discharge groove of the panel behind the involution.This will make bleeding of the panel time more or less freely, that bleed be able to effective shortening, and panel inside will relatively can reach the state of vacuum.Make the indifferent gas physical efficiency of enclosing thereafter in the panel comparatively pure, can impel the overall performance of plasma display to be able to effective lifting.
In sum; though the present invention with embodiment openly as above, so it is not that those skilled in the art without departing from the spirit and scope of the present invention in order to qualification the present invention; when can doing various changes and retouching, so protection scope of the present invention is when being as the criterion with claims.
Claims (11)
1. plasma display with closed discharge groove, this plasma display comprises:
One glass substrate; And
A plurality of closed discharge grooves are positioned on this glass substrate, and those closed discharge grooves are surrounded by a plurality of barrier rib respectively, have the barrier rib of at least one variation wall thickness in those barrier ribs;
Wherein, this barrier rib is carried out sintering process, the barrier rib of this variation wall thickness has the wall thickness of variation before this sintering process, the barrier rib of this variation wall thickness then has the wall height of variation behind this sintering process, the back that partially sinters that wall thickness is less produces less wall height, and the bigger back that partially sinters of wall thickness produces bigger wall height.
2. plasma display as claimed in claim 1, wherein the gabarit of those closed discharge grooves is a rectangle.
3. plasma display as claimed in claim 1, wherein the gabarit of those closed discharge grooves is a honeycomb.
4. manufacturing method for plasma displays with closed discharge groove comprises:
Cover a barrier rib material layer on a glass substrate;
Be coated with a photoresist layer on this barrier rib material layer;
Exposure and this photoresist layer that develops, make and form a plurality of closed discharge groove photoresist layers on this barrier rib material layer, those closed discharge groove photoresist layers are surrounded by a plurality of barrier rib photoresist layers respectively, have the barrier rib photoresist layer of at least one variation wall thickness in those barrier rib photoresist layers, the barrier rib photoresist layer of this variation wall thickness has the wall thickness of variation;
Remove this barrier rib material layer that exposes, make and form a plurality of closed discharge grooves on this glass substrate, those closed discharge grooves are surrounded by a plurality of barrier rib respectively, have the barrier rib of at least one variation wall thickness in those barrier ribs, and the barrier rib of this variation wall thickness has the wall thickness of variation;
Take off this photoresist layer; And
This barrier rib material layer of sintering patterning,
The barrier rib of this variation wall thickness has the wall height of variation behind this sintering process, and the back that partially sinters that wall thickness is less produces less wall height, and the bigger back that partially sinters of wall thickness produces bigger wall height.
5. manufacture method as claimed in claim 4, wherein this removal step is a blasting craft.
6. manufacture method as claimed in claim 4, wherein this removal step is an etch process.
7. manufacture method as claimed in claim 4, wherein the gabarit of those closed discharge groove photoresist layers is a rectangle.
8. manufacture method as claimed in claim 4, wherein the gabarit of those closed discharge groove photoresist layers is a honeycomb.
9. manufacturing method for plasma displays with closed discharge groove comprises:
Cover a barrier rib material layer on a glass substrate;
Exposure and this barrier rib material layer that develops, make and form a plurality of closed discharge grooves on this glass substrate, those closed discharge grooves are surrounded by a plurality of barrier rib respectively, have the barrier rib of at least one variation wall thickness in those barrier ribs, and the barrier rib of this variation wall thickness has the wall thickness of variation; And
This barrier rib material layer of sintering patterning,
Wherein this barrier rib material layer is a photosensitive material, and
The barrier rib of this variation wall thickness has the wall height of variation behind this sintering process, and the back that partially sinters that wall thickness is less produces less wall height, and the bigger back that partially sinters of wall thickness produces bigger wall height.
10. manufacture method as claimed in claim 9, wherein the gabarit of those closed discharge grooves is a rectangle.
11. manufacture method as claimed in claim 9, wherein the gabarit of those closed discharge grooves is a honeycomb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031225594A CN100428394C (en) | 2003-04-18 | 2003-04-18 | Plasma display possessing closed type discharging trough and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031225594A CN100428394C (en) | 2003-04-18 | 2003-04-18 | Plasma display possessing closed type discharging trough and its manufacturing method |
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| Publication Number | Publication Date |
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| CN1538486A CN1538486A (en) | 2004-10-20 |
| CN100428394C true CN100428394C (en) | 2008-10-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI247325B (en) | 2003-06-27 | 2006-01-11 | Chunghwa Picture Tubes Ltd | Barrier rib structure for plasma display panel |
| CN1306545C (en) * | 2003-07-14 | 2007-03-21 | 中华映管股份有限公司 | Barrier rib structure of plasma panel display and method for manufacturing same |
| KR20060085991A (en) | 2005-01-25 | 2006-07-31 | 삼성에스디아이 주식회사 | Plasma display panel |
| JP4325720B2 (en) * | 2006-08-10 | 2009-09-02 | パナソニック株式会社 | Plasma display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000331613A (en) * | 1999-05-19 | 2000-11-30 | Hitachi Ltd | Displaying discharge tube |
| JP2001126624A (en) * | 1999-10-22 | 2001-05-11 | Kyocera Corp | Substrate for plasma display panel and method of fabricating it |
| JP2001283734A (en) * | 2000-04-04 | 2001-10-12 | Dainippon Printing Co Ltd | Plasma display panel and its backside plate |
| CN1344005A (en) * | 2000-09-06 | 2002-04-10 | 富士通日立等离子显示器股份有限公司 | Plasma displaying panel and mfg. method thereof |
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- 2003-04-18 CN CNB031225594A patent/CN100428394C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000331613A (en) * | 1999-05-19 | 2000-11-30 | Hitachi Ltd | Displaying discharge tube |
| JP2001126624A (en) * | 1999-10-22 | 2001-05-11 | Kyocera Corp | Substrate for plasma display panel and method of fabricating it |
| JP2001283734A (en) * | 2000-04-04 | 2001-10-12 | Dainippon Printing Co Ltd | Plasma display panel and its backside plate |
| CN1344005A (en) * | 2000-09-06 | 2002-04-10 | 富士通日立等离子显示器股份有限公司 | Plasma displaying panel and mfg. method thereof |
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