CN102376511A - PDP (Plasma Display Panel) discharge electrode and PDP display comprising same - Google Patents
PDP (Plasma Display Panel) discharge electrode and PDP display comprising same Download PDFInfo
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- CN102376511A CN102376511A CN201110297859XA CN201110297859A CN102376511A CN 102376511 A CN102376511 A CN 102376511A CN 201110297859X A CN201110297859X A CN 201110297859XA CN 201110297859 A CN201110297859 A CN 201110297859A CN 102376511 A CN102376511 A CN 102376511A
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- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000011521 glass Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004157 plasmatron Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention discloses a PDP (Plasma Display Panel) discharge electrode and a PDP display comprising the same. The PDP discharge electrode comprises a first bus electrode and a second bus electrode, wherein the first bus electrode and the second bus electrode respectively comprise a linear main electrode part and a plurality of convex electrode parts arranged at one side of the linear main electrode part, and the convex electrode parts of the two bus electrodes are mutually oppositely arranged. The PDP discharge electrode is adopted, the bus electrodes are directly manufactured on a glass substrate to be used as discharge electrodes without manufacturing a transparent electrode and a black bar, thus two times of precise counterpoint between the electrodes are removed. Due to once manufacture of the electrodes, the consistency of electrode gaps can be ensured and the performance of the display screen is improved. Secondly, the manufacture procedure of the display screen is simplified, and the manufacture cost of the transparent electrode and the black bar with extremely high process requirements is saved. In addition, the transparent electrode is not arranged on an upper substrate, thus the capacitance between electrodes is reduced, and the power consumption of a colorful plasma display is correspondingly lowered.
Description
Technical field
The present invention relates to the gas discharge technical field, be specifically related to a kind of PDP sparking electrode and comprise its PDP display screen.
Background technology
Plasma panel (PDP) is a kind of Display Technique of utilizing gas discharge; Its operation principle is very similar with fluorescent lamp; Adopted plasmatron as luminous element; Through on the electrode at plasmatron two ends, adding voltage, make the inert mixed gas in the discharge space be ionized into a kind of special physical state one electric pulpous state attitude, the plasma discharge phenomenon takes place simultaneously.The ultraviolet ray of gaseous plasma discharge generation, ultraviolet ray excited light-emitting phosphor, thus on screen, demonstrate image.
General AC gas discharge display screen adopts the surface discharge type structure.Fig. 1 shows the structural representation of a kind of alternating current gas discharge plasma display screen of the prior art, this display screen comprise upper substrate 1 ' and the infrabasal plate 7 of sealing with it '.Upper substrate 1 ' be provided with transparency electrode (ITO) 2 ' with bus electrode 3 ' with the secret note 12 that increases contrast '; Transparency electrode 2 ' and bus electrode 3 ' formation sparking electrode; Upper substrate 1 ' be positioned at upper substrate 1 ' on the surface of sparking electrode all cover one deck dielectric layer 4 ', dielectric layer 4 ' on cover one deck medium protective layer 5 '.Infrabasal plate 7 ' comprise setting above that and the addressing electrode 8 vertical with sparking electrode '; Cover addressing electrode 8 ' dielectric layer 6 '; And be positioned at the barrier 9 of dielectric layer 6 ' go up and have certain altitude '; Barrier 9 ' discharge space is separated, formed with the fluorescent material groove 10 of addressing electrode 8 ' parallel ', fluorescent material groove 10 ' the bottom be coated with phosphor powder layer 11 '.Charge into inert mixed gas such as Ne, Ar, Xe after upper substrate 1 ' with infrabasal plate 7 ' with glass powder with low melting point sealed, energising afterwards makes electrode discharge.
Because the quality of electrode performance plays key effect to display screen, so the design of various electrode structures, the optimization of related electrode structural parameters, and the exploitation of novel electrode structure are research directions that improves the PDP display performance.Much all adopted combined electrode structure in the electrode structure of upper substrate 1 ' use at present; Referring to figs. 2 and 3; Fig. 2 show stripe shape transparency electrode 2 in the prior art ' with bus electrode 3 ', the rough schematic of black strip pattern 12 ' structure; Wide strip part be divided into transparency electrode 2 ', fillet partly be bus electrode 3 '; Fig. 3 show T type transparency electrode 2 in the prior art ' with the rough schematic of bus electrode 3 ' structure, the T type partly be transparency electrode 2 ', fillet partly be bus electrode 3 '.Because transparency electrode 2 ' aligning accuracy require highly, interelectrode electric capacity is big, preparation technology is very strict, so cost is also higher.
Summary of the invention
The present invention aims to provide a kind of PDP sparking electrode and comprises its PDP display screen, to solve PDP sparking electrode complicated process of preparation in the prior art, cost of manufacture height, the technical problem that PDP display screen power consumption is high.
To achieve these goals, according to an aspect of the present invention, a kind of PDP sparking electrode is provided.This PDP sparking electrode comprises:
First bus electrode that is oppositely arranged and second bus electrode, first bus electrode and second bus electrode comprise straight line main electrode portion and a plurality of projected electrode portion that is arranged on straight line main electrode portion one side separately; Projected electrode portion on first bus electrode and second bus electrode is provided with relative to one another.
Further, the top of projected electrode portion is circular-arc.
Further, exist at interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion.
Further, at interval distance equates between a plurality of projected electrode portion.
Further; Interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion is provided with connection electrode portion; This connection electrode portion is the extension of straight line main electrode portion along the protrusion direction of projected electrode portion, and its extension width is identical with the width of line part.
Further, projected electrode portion is " n " type of hollow, comprises two relative sidewalls and the roof that connects two sidewalls, surrounds cavity between sidewall and roof and the straight line main electrode portion.
Further, the width of straight line main electrode portion is 20～80 μ m.
Further, the integral width of projected electrode portion is 120～180 μ m, and the line width of this projected electrode portion is 20～50 μ m.
Further, the width of first bus electrode and second bus electrode is 160～200 μ m, and the clearance distance that is oppositely arranged between the projected electrode portion top on first bus electrode and second bus electrode is 60～80 μ m.
Further, the material of above-mentioned PDP sparking electrode is a silver.
According to a further aspect in the invention, a kind of PDP display screen is provided.This PDP display screen comprises: upper substrate; The PDP sparking electrode extends along upper substrate; Dielectric layer, medium protective layer are incumbent on substrate and the PDP sparking electrode successively, and infrabasal plate, and it is provided with addressing electrode and with the addressing electrode parallel barrier vertical with the PDP sparking electrode; The relative sealing-in of infrabasal plate and upper substrate forms a plurality of discharge cells; This PDP sparking electrode is above-mentioned any PDP sparking electrode, and the corresponding setting with discharge cell of the projected electrode portion of PDP sparking electrode, and the interval between a plurality of projected electrode portion is corresponding with the barrier on the infrabasal plate.
Adopt technical scheme of the present invention to make the PDP sparking electrode, need not make transparency electrode, only need on glass substrate, directly to make bus electrode, saved twice accurate contraposition between bus electrode and transparency electrode like this as sparking electrode.Owing to the disposable making of electrode, can guarantee the consistency of electrode gap, improved the performance of display screen.Display screen with this PDP sparking electrode; Owing to need not make transparency electrode and secret note; Simplified production process, and then saved the high transparency electrode of technological requirement and the cost of manufacture of secret note, upper substrate need not make transparency electrode; Make interelectrode electric capacity descend the corresponding power consumption that reduces color plasma display.
Description of drawings
Figure of description is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of prior art ionic medium display screen structure;
Fig. 2 shows the structural representation of stripe shape transparency electrode and bus electrode in the prior art;
Fig. 3 shows the structural representation of T type transparency electrode and bus electrode in the prior art;
Fig. 4 shows the structural representation according to the PDP sparking electrode of the embodiment of the invention;
Fig. 5 shows the structural representation according to the upper substrate of plasma display panel structure of the embodiment of the invention; And
Fig. 6 shows the partial structurtes sketch map corresponding with infrabasal plate according to the PDP sparking electrode of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but following embodiment and accompanying drawing only are in order to understanding the present invention, and can not limit the present invention, the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
According to the PDP sparking electrode of the embodiment of the invention, as shown in Figure 4, comprise first bus electrode 31 and second bus electrode 32.First bus electrode 31 and second bus electrode 32 comprise that separately straight line main electrode portion 311 is positioned opposite to each other with the projected electrode portion 312 of a plurality of projected electrode portion's 312, the first bus electrodes 31 that are arranged on straight line main electrode portion 311 1 sides and second bus electrode 32.Adopt the PDP sparking electrode of this structure need not make transparency electrode; Only need on glass substrate, to make first bus electrode 31 and second bus electrode 32 gets final product; As shown in Figure 5, omitted twice accurate contraposition between bus electrode and transparency electrode in the prior art.Because therefore this PDP sparking electrode can guarantee the consistency of electrode gap through the disposable making of mode of printing, has improved the performance of display screen.Secondly, adopt the PDP sparking electrode of this structure because the gross area of bus electrode is big, degree of blackness is high, so need not make secret note, this has just reduced the production process of display screen, and then has saved the high transparency electrode of technological requirement and the cost of manufacture of secret note.In addition, no transparency electrode makes interelectrode electric capacity descend, and the power consumption of plasma panel is also with corresponding reduction.
A kind of typical embodiment according to the present invention, the top of projected electrode portion 312 is circular-arc.The corner's broken string phenomenon that adopts circular-arc structure can avoid the right angle lines in manufacturing process, to occur has easily effectively been saved inspection and rehabilitation cost.
Exist at interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion on the bus electrode; This structure helps more visible light transmissive glass substrate; Preferably, the interval between the projected electrode portion 312 equates that this structure helps structural design and makes contraposition.Further preferably; Adjacent interval is provided with connection electrode portion 313 between a plurality of adjacent projected electrode portions 312; This connection electrode portion 313 is straight line main electrode portion 311 extensions along the protrusion direction of projected electrode portion 312, and its extension width is identical with the width of straight line main electrode portion 311.Promptly between two adjacent projected electrode portions 312, connect with connection electrode portion 313; Connection electrode portion 313 is arranged in the straight line main electrode portion 311; Connection electrode portion 313 can be arranged to rectangle, and one side is connected with straight line main electrode portion, and the two sides is connected with two adjacent projected electrode portions 312 respectively in addition.Between the two adjacent projected electrode portions 312 connection electrode 313 is set, has increased the gross area of electrode line effectively, avoided bus resistance too high, the electrode line broad is not easy to occur the short-term phenomenon simultaneously, has saved inspection and rehabilitation cost.
Preferably, projected electrode portion 312 is " n " type of hollow, specifically comprises two relative sidewall a and the roof b that connects two sidewall a, surrounds cavity between two sidewall a and roof b and the straight line main electrode portion 311.Because the sparking electrode of this structure does not utilize ITO to discharge in manufacturing process; But utilize two bus electrodes as public sparking electrode (comprise scan electrode and keep electrode), solved the big problem of sparking electrode impedance, but because opaque as the metal electrode of bus electrode itself; Brightness to screen has produced bigger influence; Simultaneously, discharge is point-to-point realization between the metal electrode, therefore; At this projected electrode portion is designed to have the structure of cavity, to improve the brightness of display screen.Simultaneously, this structure can increase discharge space and area effectively, and the increase of discharging gap and area makes discharge path elongated, has increased the luminosity and the luminous efficiency of PDP display screen.
The line size of bus electrode can require to adjust according to display resolution; According to embodiments of the invention; Plan is that preferably, the width of the straight line main electrode portion of first bus electrode 31 and second bus electrode 32 is 20～80 μ m on 1024 * 768 the display screen 32 inches resolution; The integral width of projected electrode portion is 120～180 μ m, and the line width of this projected electrode portion is 20～50 μ m.Projected electrode portion is provided with according to this specification, even if can guarantee have broken string also can make whole electrode keep conducting in the protruding part of manufacturing process, can guarantee that again visible light has enough spaces that sees through; The width of first bus electrode 31 and second bus electrode 32 is set to 160～200 μ m, and the gap on two bus electrodes between the relative projected electrode portion is 60～80 μ m.
The material of PDP sparking electrode can adopt the conducting metal of the common usefulness in this area, is preferably silver, is printed on the PDP sparking electrode that is made on the glass substrate and has said structure by the photosensitive silver slurry, and technology is simple, and respond well.
A kind of PDP display screen is provided according to a further aspect in the invention.This PDP display screen comprises upper substrate and infrabasal plate; Upper substrate is provided with along the lower surface of upper substrate and extends the PDP sparking electrode; On upper substrate and position PDP sparking electrode on it, be coated with dielectric layer; Be coated with medium protective layer on the dielectric layer, infrabasal plate is provided with addressing electrode and barrier, and the relative sealing-in of upper substrate and infrabasal plate forms a plurality of discharge cells.This PDP sparking electrode has the structure of above-mentioned any PDP sparking electrode; And it is as shown in Figure 6; The corresponding setting of the projected electrode portion of above-mentioned PDP sparking electrode with above-mentioned discharge cell, connection electrode portion 313 between the two adjacent protrusion electrode part 312 and the corresponding setting of the barrier on the infrabasal plate, promptly projected electrode portion 312 is corresponding to the fluorescent material groove on the infrabasal plate; Connection electrode portion 313 between the projected electrode portion 312 is corresponding to the barrier on the infrabasal plate; The accurate contraposition of phosphor powder layer in sparking electrode and the fluorescent material groove like this, the ultraviolet ray that produces when making electrode discharge more effectively excitated fluorescent powder is luminous, has improved luminous efficiency.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a PDP sparking electrode comprises first bus electrode (31) and second bus electrode (32) that are oppositely arranged, it is characterized in that,
Said first bus electrode (31) and second bus electrode (32) comprise straight line main electrode portion (311) separately and are arranged on a plurality of projected electrode portions (312) of said straight line main electrode portion (311) one sides; And
Projected electrode portion (312) on said first bus electrode (31) and second bus electrode (32) is provided with relative to one another.
2. PDP sparking electrode according to claim 1 is characterized in that, the top of said projected electrode portion (312) is circular-arc.
3. PDP sparking electrode according to claim 1 is characterized in that, exists at interval between the adjacently situated surfaces of the adjacent protrusion electrode part (312) in a plurality of said projected electrode portions (312).
4. PDP sparking electrode according to claim 3 is characterized in that, the distance at interval equates between a plurality of said projected electrode portions (312).
5. PDP sparking electrode according to claim 4; It is characterized in that; Interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of said projected electrode portions (312) is provided with connection electrode portion (313); Said connection electrode portion (313) is the extension of said straight line main electrode portion (311) along the protrusion direction of said projected electrode portion (312), and its extension width is identical with the width of said straight line main electrode portion (311).
6. PDP sparking electrode according to claim 1; It is characterized in that; Said projected electrode portion (312) is " n " type of hollow; The roof (b) that comprises two relative sidewalls (a) and connect said two sidewalls (a) surrounds cavity between said sidewall (a) and roof (b) and the said straight line main electrode portion (311).
7. PDP sparking electrode according to claim 1 is characterized in that, the width of said straight line main electrode portion (311) is 20～80 μ m.
8. PDP sparking electrode according to claim 1 is characterized in that, the integral width of said projected electrode portion (312) is 120～180 μ m, and the line width of said projected electrode portion (312) is 20～50 μ m.
9. PDP sparking electrode according to claim 1; It is characterized in that; The width of said first bus electrode (31) and second bus electrode (32) is 160～200 μ m, and the clearance distance that is oppositely arranged between projected electrode portion (312) top on said first bus electrode (31) and said second bus electrode (32) is 60～80 μ m.
10. according to each described PDP sparking electrode of claim 1-9, it is characterized in that the material of said PDP sparking electrode is a silver.
11. a PDP display screen comprises:
Upper substrate;
The PDP sparking electrode extends along said upper substrate lower surface;
Dielectric layer, medium protective layer cover on said upper substrate and the said PDP sparking electrode successively, and
Infrabasal plate, it is provided with addressing electrode and with the said addressing electrode parallel barrier vertical with said PDP sparking electrode;
The relative sealing-in with said upper substrate of said infrabasal plate forms a plurality of discharge cells;
It is characterized in that; Said PDP sparking electrode is like each described PDP sparking electrode of claim 1-10; And the corresponding setting of the projected electrode portion (312) of said PDP sparking electrode with said discharge cell, interval between a plurality of said projected electrode portions (312) and the corresponding setting of barrier on the said infrabasal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110297859.XA CN102376511B (en) | 2010-09-30 | 2011-09-30 | PDP (Plasma Display Panel) discharge electrode and PDP display comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507351 | 2010-09-30 | ||
| CN201010507351.3 | 2010-09-30 | ||
| CN201110297859.XA CN102376511B (en) | 2010-09-30 | 2011-09-30 | PDP (Plasma Display Panel) discharge electrode and PDP display comprising same |
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| Publication Number | Publication Date |
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| CN102376511A true CN102376511A (en) | 2012-03-14 |
| CN102376511B CN102376511B (en) | 2014-03-19 |
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| CN201110297859.XA Expired - Fee Related CN102376511B (en) | 2010-09-30 | 2011-09-30 | PDP (Plasma Display Panel) discharge electrode and PDP display comprising same |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414595A (en) * | 2002-12-11 | 2003-04-30 | 中国电子科技集团公司第五十五研究所 | Plasma body display screen arc shaped electrode structure |
| US6603263B1 (en) * | 1999-11-09 | 2003-08-05 | Mitsubishi Denki Kabushiki Kaisha | AC plasma display panel, plasma display device and method of driving AC plasma display panel |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6603263B1 (en) * | 1999-11-09 | 2003-08-05 | Mitsubishi Denki Kabushiki Kaisha | AC plasma display panel, plasma display device and method of driving AC plasma display panel |
| CN1414595A (en) * | 2002-12-11 | 2003-04-30 | 中国电子科技集团公司第五十五研究所 | Plasma body display screen arc shaped electrode structure |
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| CN102376511B (en) | 2014-03-19 |
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