CN102376510B - PDP (plasma display panel) discharge electrode and plasma display screen comprising same - Google Patents
PDP (plasma display panel) discharge electrode and plasma display screen comprising same Download PDFInfo
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- CN102376510B CN102376510B CN201110301679.4A CN201110301679A CN102376510B CN 102376510 B CN102376510 B CN 102376510B CN 201110301679 A CN201110301679 A CN 201110301679A CN 102376510 B CN102376510 B CN 102376510B
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Abstract
The invention provides a PDP (plasma display panel) discharge electrode and a plasma display screen comprising the same. The PDP discharge electrode comprises a plurality of electrode bodies arranged in parallel, wherein each electrode body is provided with a bus electrode part, and the bus electrode parts of the electrode bodies are mutually in parallel, in which any two adjacent electrode bodies are respectively a first electrode body and a second electrode body; the first electrode body further comprises a plurality of transverse discharge parts at the bus electrode part facing the second electrode body; and the second electrode body further comprises a plurality of transparent electrode parts at the bus electrode thereof facing towards the first electrode body, and the transparent electrode parts of the second electrode body respectively extend between the adjacent transverse discharge parts of the first electrode body. According to the invention, the PDP discharge electrode utilizes the discharge between the transparent electrode and the metal electrode, and combines the advantages of stability of discharge of the ITO (indium tin oxide) electrode and the quick-response of discharge of the metal electrode, thus obtaining higher light effect while providing a space for sufficient discharge and achieving lower ignition voltage on the base plate.
Description
Technical field
The present invention relates to panel display board field, more specifically, relate to a kind of PDP sparking electrode and comprise its plasma panel.
Background technology
Ion display floater (plasma display panel, PDP) be while utilizing the inert mixed gas electric discharges such as He+Xe, Ne+Xe, He+Ne+Xe or He+Ne+Kr+Xe in vacuum cavity, to produce the vacuum ultraviolet of about 147nm, make light-emitting phosphor, the writings and image that visually can sense to reach us.
Fig. 1 is the perspective view of existing plasma panel structure, and Fig. 2 is the side sectional view of existing plasma panel structure.With reference to Fig. 1, Fig. 2, the PDP discharge cell structure of three-electrode surface discharge structure is as follows: be parallelly formed at the scan electrode 11 ' on prebasal plate 10 ' and maintain electrode 12 ', conventionally transparency electrode 11a ', 12a ' and metal electrode 11b ', 12b ' two parts, consisting of.When making PDP display screen, between every group of sparking electrode, make secret note 30 ' is set, to improve the contrast of plasma panel and to reduce, misplace electric possibility.Transparency electrode 11a ', 12a ' adopt tin indium oxide (Indium-Tin-Oxide:ITO) as material conventionally, be formed on prebasal plate 10 ', it is main material that metal electrode be take chromium (Cr), silver (Ag) etc. conventionally, be formed at transparency electrode 11a ', 12a ' upper, with the voltage drop of the transparency electrode in minimizing work.Limit of conventionally, putting scan electrode in a Cell display with maintain electrode and have a limit or face to realize electric discharge.
After PDP sparking electrode completes, be coated with one deck front medium layer 13 ' in the above, this front medium layer 13 ' can guarantee scan electrode 11 ' and maintain the resistivity between electrode 12 ', meanwhile, can accumulate certain wall electric charge when plasma discharge.The upper surface of this front medium layer 13 ' also precipitates layer protecting film 14 ', and this diaphragm 14 ' can prevent that plasma discharge from producing and destroying front medium layer 13 ', and, can also improve secondary discharge coefficient.Conventionally, diaphragm 14 ' is generally used magnesium oxide (MgO) material.
It is upper that addressing electrode 21 ' is formed at metacoxal plate 20 ', covers dielectric layer 23 ' after one deck on addressing electrode 21 ', on rear dielectric layer, makes barrier 24 ', then, injects corresponding fluorophor paste 25 ' in barrier cell.Addressing electrode 21 ' is gone up scan electrode 11 ' and maintains the spatial vertical that electrode 12 ' is corresponding corresponding with prebasal plate 10 '.Prebasal plate 10 ', metacoxal plate 20 ' and barrier 24 ' are formed to airtight discharge space, in airtight space, pour the quantitative inert mixed gas for gas discharge, in work, discharge generation plasma-activated fluorophor between electrode, thus show various figures.
Now, PDP display screen on the market mainly take adopt ITO and without two kinds of PDP of ITO (ITO less) as main.Wherein, adopt the PDP of ITO conventionally with edge-to-edge, to realize electric discharge, adopt the PDP display screen of ITO less to realize electric discharge between point-to-point.
Fig. 3 a and Fig. 3 b show the partial structurtes that existing employing ITO electrode is realized the PDP display screen of electric interpolar discharge, comprise and be formed at the scan electrode 11 ' on prebasal plate 10 ' and maintain electrode 12 ', conventionally by transparency electrode 11a ', 12a ' and metal electrode 11b ', 12b ' two parts, formed, between every group of sparking electrode, make secret note 30 ' is set.For the PDP display screen that adopts this ITO electrode, because the Conductivity Ratio of ITO self is lower, need metal electrode to coordinate, increase the conductivity of sparking electrode, meet PDP need of work.The method is most technology and the method adopting of existing PDP producer.But, because self resistance ratio of ITO electrode is larger, expect desirable display effect, PDP power consumption is also larger.
Fig. 4 shows the PDP display floater that adopts ITO less structure, comprise that two are set in parallel in the scan electrode 11 ' on prebasal plate 10 ' and maintain electrode 12 ', wherein scan electrode 11 ' comprises metal electrode 11b ' and is arranged on the perforate 11k ' on metal electrode 11b ', maintains electrode 12 ' and comprises metal electrode 11b ' and be arranged on the perforate 12k ' on metal electrode 12b '.This kind of PDP display screen on the make do not utilize ITO to discharge, but utilizes metal electrode to make public electrode (comprise scan electrode and maintain electrode), solved the large problem of sparking electrode impedance.But because metal electrode itself is opaque, the brightness of screen has been produced to larger impact, simultaneously, between metal electrode, electric discharge is point-to-point realization, therefore, and in structural design, generally in the centre of metal electrode, carry out perforate, to guarantee higher transmitance and then the brightness that improves display floater.However, display brightness has still been subject to many stopping, therefore, what on the make perforated area was tried one's best as far as possible is large, but the display comparison degree of large-area perforate to whole screen produced again certain impact.
Summary of the invention
The present invention aims to provide a kind of PDP sparking electrode and comprises its PDP display screen, to solve the large and low shortcoming of ITO less structure PDP sparking electrode light transmittance of the PDP sparking electrode impedance of ITO structure simple in prior art, this PDP sparking electrode combination property is good, and good discharge space can be provided between electrode.
To achieve these goals, according to an aspect of the present invention, provide a kind of PDP sparking electrode.This sparking electrode comprises a plurality of electrode body that are set up in parallel, and wherein each electrode body all has bus electrode portion, and the bus electrode portion of each electrode body is parallel to each other, and wherein any two adjacent electrode body are respectively the first electrode body and the second electrode body; The first electrode body also comprises a plurality of transverse discharge portion towards the second electrode body one side that is positioned at its bus electrode portion; The second electrode body also comprises a plurality of transparency electrode portion towards the first electrode body that is positioned at its bus electrode portion, and each transparency electrode portion of the second electrode body extends to respectively between the adjacent transverse discharge part of the first electrode body.
Further, any three the adjacent electrode body in a plurality of electrode body that are set up in parallel are respectively the first electrode body, the second electrode body and third electrode body; The second electrode body also comprises a plurality of transverse discharge portion towards third electrode body one side that is positioned at its bus electrode portion; Third electrode body also comprises a plurality of transparency electrode portion towards the second electrode body that is positioned at its bus electrode portion, and each transparency electrode portion of third electrode body extends to respectively between the adjacent transverse discharge part of the second electrode body.
Further, in a plurality of electrode body that are set up in parallel, every three adjacent electrode body form one group, and every group comprises respectively the first electrode body, the second electrode body and third electrode body; The second electrode body also comprises a plurality of transparency electrode portion towards third electrode body one side that is positioned at its bus electrode portion, and the transparency electrode portion of the second electrode body both sides is arranged symmetrically with; Third electrode body comprises a plurality of transverse discharge portion towards the second electrode body that is positioned at its bus electrode portion, and the transparency electrode portion towards third electrode body of the second electrode body extends to respectively between the adjacent transverse discharge part of third electrode body.
Further, a plurality of transparency electrode portion being positioned at towards the first electrode body is partly covered by the bus electrode portion of the second electrode body.
Further, bus electrode portion and transverse discharge portion are metal electrode.
Further, between transverse discharge portion and the bus electrode portion of cover part transparency electrode portion, be provided with interruption.
Further, interruption is rectangle black patch.
Further, the edge contour of transverse discharge portion is straight line, arc or profile of tooth.
Further, this PDP sparking electrode is to wait gap discharge, and discharging gap is 50 μ m～120 μ m.
Further, the material of metal electrode is chromium and/or silver.
According to another aspect of the present invention, provide a kind of plasma panel.This plasma panel comprises: prebasal plate; Above-mentioned any PDP sparking electrode, extends along prebasal plate; And metacoxal plate, on it, be provided with fluorescent material groove, sealing-in relative to prebasal plate, the discharging gap of PDP sparking electrode and the corresponding setting of fluorescent material groove on metacoxal plate.
PDP sparking electrode of the present invention utilizes the electric discharge between transparency electrode and metal electrode, combine stability and the fast advantage of metal electrode discharge response of ITO electrode discharge, in the space that provides can fully discharge, when obtaining lower firing voltage on substrate, can obtain higher light efficiency.The plasma panel that adopts technical scheme of the present invention to prepare, the PDP display screen with routine with ITO structure is compared, and has sweep speed fast, feature low in energy consumption; The PDP display screen with routine with ITO less structure is compared, and has the feature of high permeability, high brightness and high stability.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the structural representation of prior art ionic medium display screen;
Fig. 2 shows according to the sectional structure chart of prior art ionic medium display screen structure;
Fig. 3 a shows the structural representation that adopts ITO sparking electrode according to the prebasal plate of prior art;
Fig. 3 b is the structural representation of looking up of Fig. 3 a;
Fig. 4 shows the structural representation that adopts ITO less sparking electrode according to the prebasal plate of prior art;
Fig. 5 shows according to the structural representation of the front substrate of plasma display screen of the embodiment of the present invention and sparking electrode;
Fig. 6 a shows and just cuts open structural representation according to the Cell display of Fig. 5;
Fig. 6 b shows according to a left side for the Cell display of Fig. 5 and cuts open structural representation;
Fig. 6 c shows according to the right side of the Cell display of Fig. 5 and cuts open structural representation;
Fig. 7 shows according to the structural representation of the front substrate of plasma display screen of an embodiment of the present invention and sparking electrode;
Fig. 8 shows the structural representation of front substrate of plasma display screen and sparking electrode according to another embodiment of the present invention; And
Fig. 9 shows according to the structural representation of the plasma panel of the embodiment of the present invention;
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
According to embodiments of the invention, as Fig. 5-6c, this PDP sparking electrode comprises a plurality of electrode body that are set up in parallel, wherein each electrode body all has the b of bus electrode portion, the b of bus electrode portion of each electrode body is parallel to each other and extend in the same way, and wherein any two adjacent electrode body are respectively the first electrode body and the second electrode body; The first electrode body also comprises a plurality of transverse discharge a of portion towards the second electrode body one side that are positioned at the b of its bus electrode portion; The second electrode body also comprises a plurality of transparency electrode c of portion towards the first electrode body that are positioned at the b of its bus electrode portion, and the c of each transparency electrode portion of the second electrode body extends to respectively between the adjacent transverse discharge part a of the first electrode body.Utilize between the c of transparency electrode portion of the second electrode body and the b of bus electrode portion of the first electrode body and a of transverse discharge portion and discharge, be the electric discharge between transparency electrode and metal electrode, combine stability and the fast advantage of metal electrode discharge response of transparency electrode (ITO) electric discharge.The PDP display screen with routine with ITO structure is compared, and has sweep speed fast, feature low in energy consumption; The PDP display screen with routine with ITO less structure is compared, and has the feature of high permeability, high brightness and high stability.
A kind of typical embodiment according to the present invention, as shown in Figure 7, any three the adjacent electrode body in a plurality of electrode body that are set up in parallel are respectively the first electrode body, the second electrode body and third electrode body; The second electrode body also comprises a plurality of transverse discharge a of portion towards third electrode body one side that are positioned at the b of its bus electrode portion; Third electrode body also comprises a plurality of transparency electrode c of portion towards the second electrode body that are positioned at the b of its bus electrode portion, and the c of each transparency electrode portion of third electrode body extends to respectively between the adjacent transverse discharge part a of the second electrode body.In this specific embodiment, a of transverse discharge portion is a plurality of, and between the two adjacent b of bus electrode portion, and the c of transparency electrode portion being located between adjacent two b of bus electrode portion is crisscross arranged.Between the transverse discharge a of portion that each c of transparency electrode portion is adjacent with it like this and adjacent two b of bus electrode portion, form discharge cell, in a discharge cell, three limits of the c of transparency electrode portion are adjacent discharges between two a of transverse discharge portion and the b of bus electrode portion, improved the stability of display screen, the space that provides one can fully discharge is provided, when obtaining lower firing voltage on substrate, can obtain higher light efficiency.
The typical embodiment of another kind according to the present invention, as shown in Figure 8, in a plurality of electrode body that are set up in parallel, every three adjacent electrode body form one group, and every group comprises respectively the first electrode body, the second electrode body and third electrode body; The second electrode body also comprises a plurality of transparency electrode c of portion towards third electrode body one side that are positioned at the b of its bus electrode portion, and the c of transparency electrode portion of the second electrode body both sides is arranged symmetrically with; Third electrode body comprises a plurality of transverse discharge a of portion towards the second electrode body that are positioned at the b of its bus electrode portion, and the c of transparency electrode portion towards described third electrode body of the second electrode body extends to respectively between the adjacent transverse discharge part a of described third electrode body.The electrode of same this structure also can be realized the three limit electric discharges of the c of transparency electrode portion in a discharge cell, improved well the stability of display screen, the space that provides one can fully discharge is provided, when obtaining lower firing voltage on substrate, can obtains higher light efficiency.
Preferably, a plurality of transparency electrode c of portion that are positioned at towards the first electrode body are partly covered by the b of bus electrode portion of the second electrode body.This is because the Conductivity Ratio of the c self of transparency electrode portion is lower, need metal electrode to coordinate, increase the conductivity of sparking electrode, so be coated with the metal bus electrode b of portion on partially transparent electrode part c, be conducive to reduce the voltage drop of the c of transparency electrode portion, improve luminous efficiency, increased the stability of display screen.Preferably, the b of bus electrode portion and a of transverse discharge portion are metal electrode, make like this three limit electric discharges of the c of transparency electrode portion more stable, more can improve light efficiency.
Preferably, between a of transverse discharge portion and the b of bus electrode portion of the c of cover part transparency electrode portion, be provided with interruption.Wherein, interruption is dark insulating material, and preferably, interruption is the rectangular block d of two black.This structure can be avoided the two adjacent electric discharges of confluxing between the electrode b of portion, improves the stability of electric discharge, is conducive to improve the contrast of display screen simultaneously.The width of black rectangle piece d can be wide with a of transverse discharge portion.
Preferably, the edge contour of the above-mentioned transverse discharge a of portion can be arranged to straight line, arc or profile of tooth.When the edge contour to discharge part a is straight line, the c of transparency electrode portion of electric discharge corresponding to it can be arranged to suitable with it rectangular configuration, and this structure can realize edge-to-edge's electric discharge of metal electrode and transparency electrode.When the edge contour to discharge part a is arc line type, the c of transparency electrode portion also should be arc line type mutually, the camber line of preferred evagination, in same cellar area, arc line type is compared with linear pattern, and between same 2, camber line will be longer than straight line, therefore adopts arc line type discharge electrode structure can increase region of discharge, same tooth Shape Design also will increase region of discharge, and this structure is conducive to increase light-emitting area, improves luminous efficiency.
A kind of typical execution mode according to the present invention, PDP sparking electrode is to wait gap discharge, this structure arranges according to electrode material and technique, discharging gap Deng gap discharge is 50 μ m～120 μ m, within the scope of this, be more conducive to improve light-emitting area, increase luminous efficiency, more efficient stable discharges.
Metal electrode can adopt conventional conducting metal, is preferably chromium or silver, and its manufacture craft is simple and conductive effect good.
According to a further aspect in the invention, provide a kind of PDP display screen.As shown in Figure 9, this plasma panel comprises prebasal plate 10 and metacoxal plate 20, prebasal plate 10 is provided with the PDP sparking electrode extending along prebasal plate 10, this sparking electrode can be the sparking electrode of above-mentioned any structure, metacoxal plate 20 is provided with fluorescent material groove 25, the sealing-in relative to prebasal plate 10 of this fluorescent material groove 25, the discharging gap of this PDP sparking electrode and the corresponding setting of fluorescent material groove 25 on metacoxal plate 20.After applying voltage, excite working gas electric discharge, activated phosphor layer, because the discharge cell of this PDP sparking electrode is corresponding with fluorescent material groove 25, the limit of three pairs of electric discharges is just in time arranged in corresponding fluorescent material groove, the ultraviolet ray that gas ionization is produced is more effectively absorbed by fluorescent material, has improved luminous efficiency.PDP sparking electrode provided by the invention provides the space that can fully discharge, when obtaining lower firing voltage on substrate, can obtain higher light efficiency, therefore comprise that its plasma panel compares with conventional plasma panel, all have that sweep speed is fast, low in energy consumption, a feature of high permeability, high brightness and high stability.
The foregoing is only 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 modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a PDP sparking electrode, is characterized in that, comprises a plurality of electrode body that are set up in parallel, wherein:
Described in each, electrode body all has bus electrode portion (b), and described in each, the bus electrode portion (b) of electrode body is parallel to each other, and wherein any two adjacent described electrode body are respectively the first electrode body and the second electrode body;
Described the first electrode body also comprises a plurality of transverse discharge portions (a) towards described the second electrode body one side that are positioned at its bus electrode portion (b);
Described the second electrode body also comprises a plurality of transparency electrode portions (c) towards described the first electrode body that are positioned at its bus electrode portion (b), and each transparency electrode portion (c) of described the second electrode body extends to respectively between the adjacent transverse discharge part (a) of described the first electrode body; Wherein,
Any three adjacent described electrode body in described a plurality of electrode body being set up in parallel are respectively described the first electrode body, described the second electrode body and third electrode body; Described the second electrode body also comprises a plurality of transverse discharge portions (a) of the side towards third electrode body that is positioned at its bus electrode portion (b); Described third electrode body also comprises a plurality of transparency electrode portions (c) towards described the second electrode body that are positioned at its bus electrode portion (b), and each transparency electrode portion (c) of described third electrode body extends to respectively between the adjacent transverse discharge part (a) of described the second electrode body; Or
In described a plurality of electrode body being set up in parallel, every three adjacent described electrode body form one group, and every group comprises respectively described the first electrode body, described the second electrode body and third electrode body; Described the second electrode body also comprises a plurality of transparency electrode portions (c) towards third electrode body one side that are positioned at its bus electrode portion (b), and the described transparency electrode portion (c) of described the second electrode body both sides is arranged symmetrically with; Described third electrode body comprises a plurality of transverse discharge portions (a) towards described the second electrode body that are positioned at its bus electrode portion (b), and the transparency electrode portion (c) towards described third electrode body of described the second electrode body extends to respectively between the adjacent transverse discharge part (a) of described third electrode body.
2. PDP sparking electrode according to claim 1, is characterized in that, a plurality of transparency electrode portions (c) that are positioned at towards described the first electrode body are covered by the bus electrode portion (b) of the second electrode body part.
3. PDP sparking electrode according to claim 1, is characterized in that, described bus electrode portion (b) and transverse discharge portion (a) are metal electrode.
4. PDP sparking electrode according to claim 1, is characterized in that, is provided with interruption described in described transverse discharge portion (a) and cover part between the described bus electrode portion (b) of transparency electrode portion (c).
5. PDP sparking electrode according to claim 4, is characterized in that, described interruption is rectangle black patch (d).
6. PDP sparking electrode according to claim 1, is characterized in that, the edge contour of described transverse discharge portion (a) is straight line, arc or profile of tooth.
7. PDP sparking electrode according to claim 1, is characterized in that, described PDP sparking electrode is to wait gap discharge, and discharging gap is 50 μ m～120 μ m.
8. PDP sparking electrode according to claim 3, is characterized in that, the material of described metal electrode is chromium and/or silver.
9. a plasma panel, comprising:
Prebasal plate (10);
PDP sparking electrode, extends along described prebasal plate (10); And
Metacoxal plate (20), is provided with fluorescent material groove (25) on it, with the relative sealing-in of described prebasal plate (10);
It is characterized in that, described PDP sparking electrode is the PDP sparking electrode as described in claim 1-7 any one, and the discharging gap of described PDP sparking electrode and the corresponding setting of fluorescent material groove (25) on described metacoxal plate (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110301679.4A CN102376510B (en) | 2010-09-30 | 2011-09-30 | PDP (plasma display panel) discharge electrode and plasma display screen comprising same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010507270 | 2010-09-30 | ||
| CN201010507270.3 | 2010-09-30 | ||
| CN201110301679.4A CN102376510B (en) | 2010-09-30 | 2011-09-30 | PDP (plasma display panel) discharge electrode and plasma display screen comprising same |
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| CN102376510A CN102376510A (en) | 2012-03-14 |
| CN102376510B true CN102376510B (en) | 2014-12-10 |
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| KR101026659B1 (en) * | 2004-09-27 | 2011-04-04 | 아사히 가라스 가부시키가이샤 | Method for manufacturing electrode and/or black stripe for plasma display substrate |
| JP2006222035A (en) * | 2005-02-14 | 2006-08-24 | Fujitsu Hitachi Plasma Display Ltd | Plasma display panel |
| CN101685743B (en) * | 2008-09-28 | 2012-09-05 | 四川世纪双虹显示器件有限公司 | PDP nested transparent electrode structure |
| CN101719452B (en) * | 2008-11-12 | 2011-09-14 | 四川虹欧显示器件有限公司 | Novel plasma display panel |
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