CN1545122A - Plasma display - Google Patents
Plasma display Download PDFInfo
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- CN1545122A CN1545122A CNA2003101156428A CN200310115642A CN1545122A CN 1545122 A CN1545122 A CN 1545122A CN A2003101156428 A CNA2003101156428 A CN A2003101156428A CN 200310115642 A CN200310115642 A CN 200310115642A CN 1545122 A CN1545122 A CN 1545122A
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- plate
- plasma scope
- substrate
- wire netting
- filter
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Abstract
The invention is a plasma display, including a first plate, a second plate and a filter unit. The first plate includes a first basal plate, many first electrodes and a protective layer, where these electrodes are adjacent to the first basal plate and the protective layer. The second plate is adjacent to the first one and includes a second basal plate, many baffle-walls and many second electrodes, where these baffle-walls and second electrodes are formed on the second basal plate, and these baffle-walls forms many regions, in which the centers of every three regions adjacent mutually are arranged into a triangle. The filter unit includes a metallic net set on the first plate and formed of many cross lines, where one of these lines and one side of the triangle form an included angle of 0-15 or 45-60 degrees.
Description
Technical field
The relevant a kind of plasma scope of the present invention, particularly relevant a kind of plasma scope that is applicable to (the delta structure closed type) barrier wall structure that has the comprehensive clathrate of triangle and electromagnetic wave baffling device.
Background technology
(Plasma Display Panel when PDP) utilizing discharge, produces magnetic field via big electric current to plasma scope.Again, plasma scope need pass through the dependence test of the setting of electromagnetic wave (EMI), its specification can be divided into FCC Class A and Class B two grades, and wherein Class A belongs to the lower industrial grade of Electromagnetic Interference requirement, and Class B belongs to the higher family expenses grade of specification requirement.Because the early stage needed cost height of plasma scope,, thereby only must meet Class A and get final product so most PDP all is applied on the industrial circle.
In recent years, because the cost of plasma scope descends, plasma scope is from the industrial main flow that becomes the domestic consumer electronic market of popularizing gradually, when but the plasma scope that only meets electromagnetic wave specification Class A uses at home, may disturb other simulated television or broadcast receiver (noise jamming), and too strong EMI can influence user's health, therefore the family expenses display must meet strict Class B to reduce the possibility of disturbing, and what also must meet Class B in the design of the EMI of plasma scope layer prevents the Electromagnetic Interference requirement.
Fig. 1 represents the cut-away view of existing plasma scope 100 '.Plasma scope 100 ' mainly includes a filter substrate (filter glass) 10 ', one header board (front panel) 20 ' and one back plate (rearpanel) 30 ', wherein, filter substrate 10 ' is positioned at the outermost of plasma scope 100 ', be arranged on the top of header board 20 ', then plate 30 ' is arranged on the below on the drawing, filter substrate 10 ' is linked by a housing (not shown) with header board 20 ', has an interval 15 ' between both.
Header board 20 ' comprises in regular turn from arrow Y direction: front substrate (front glass) 22 ', a pair of transparency electrode 24 ', a pair of auxiliary electrode (bus electrode) 26 ', 1 first dielectric layer (dielectric layer) 25 ' and protective layer 28 '.Back plate 30 ' comprising: phosphorus (phosphor) 33 ', barrier rib (rib) 31 ', second dielectric layer 34 ', addressing electrode (address electrode) 35 ' and second substrate 36 '.Barrier rib 31 ' is formed on the addressing electrode 35 ' of back plate 30 ', as the interval of discharge space (cell) 32 '.The structure that three kinds of discharge spaces 32 ' are arranged at present: single face vertical bar shape, the comprehensive clathrate of intersecting parallels (closed type) and the comprehensive clathrate of triangle (delta structure closed type).
Filter substrate 10 ' major function except can protect panel prevent damaged; and can cover infrared ray; improve optics function such as identification and reach the effect of electromagnetic shielding; structure as for this filter substrate 10 ' mainly can be divided into two kinds; referring to Fig. 2 A: first kind of filter substrate 10a ' is by acryl resin plate (acrylic resin polyacrylate; hereinafter referred to as the AR film) 12 '; electromagnetic wave graticule mesh 11a '; glass substrate 23 ' and near infrared ray layer (NIR film) 14 ' formed; normally etching graticule mesh of electromagnetic wave graticule mesh 11a ' and conduction graticule mesh; these graticule mesh and film are attached to the both sides of glass substrate 23 '; again whole filter substrate 10 ' is arranged on the PDP header board 20 ' outside, promptly has above-mentioned interval 15 ' (as shown in Figure 1) between filter substrate 10 ' and the PDP header board 20 '.Wherein, the function of AR film 12 ' is for reducing outside light reflection, but therefore absorption near infrared ray and give the optics function.
Yet, the electromagnetic wave graticule mesh 11a ' of above-mentioned first kind of filter substrate 10a ' is only applicable to above-mentioned vertical bar shape and intersecting parallels grid barrier wall structure, and the structure of the discharge space in the present up-to-date plasma scope is the comprehensive clathrate of triangle, if this kind electromagnetic wave graticule mesh 11a ' is used for cooperating the header board 20 ' with the comprehensive clathrate barrier rib of triangle, electromagnetic wave graticule mesh 11a ' can be as grating, produce macroscopic interference fringe on screen, therefore, when the structure of existing filter 10a ' is placed in the plasma scope with the comprehensive clathrate barrier rib of triangle, except can not also influencing the picture quality of display by the Class B standard.
Fig. 2 B shows another sputter baffling device 10b ', add that by glass substrate 23 ' the PET film 11b ' of silver (Ag) sputter coating or silver-colored sputter and AR film 12 ' institute form, in other words, mainly be to go up the transparent as thin as a wafer silver-colored sputter coating 11b ' of plating one deck at glass substrate 23 ', sputter baffling device 10b ' in the past is with the sputter ITO film (alloy oxide film of indium and tin, Indium tin oxide), but because of electromagnetic shielding and the near-infrared shielding effect of silver-colored sputter coating 11b ' better, so recently use silver-colored sputter coating 11b ' more.
Yet, no matter above-mentioned sputter baffling device 10b ' utilizes silver or ITO sputtering way to form one deck sputter coating 11b ' as thin as a wafer, both resistances are all low inadequately, and for example the resistance of ITO is approximately 150 Ω, if plated film is too thick, though can increase screening effect, but the penetration power variation can be caused, and the specification of above-mentioned Class A can only be met, but can not be by the specification of Class B, therefore at present the EMI layer prevent the electromagnetic wave poor effect, can not be applicable to the family expenses display.
Plasma scope all must stick special electromagnetic wave resistance interlayer 11a ' or sputter coating 11b ' at glass substrate 23 ' at present, and can only meet the specification of Class A.At different discharge space structures, how researching and developing the low-cost electromagnetic wave obstruct filter device that does not decrease the PDP image quality is the problem that promptly need solve at present.
Summary of the invention
Therefore, the objective of the invention is by the electromagnetic wave proof layer design that changes plasma scope, mainly be at the comprehensive clathrate of triangle (delta structure closed type) discharge space structure, what make that it can meet Class B prevents the Electromagnetic Interference requirement.
Another purpose of the present invention is to provide a kind of plasma scope, and it can effectively prevent Electromagnetic Interference, can the image frame quality.
The invention provides a kind of plasma scope, it comprises one first plate, one second plate and a filter.First plate comprises one first substrate, a plurality of first electrode and a protective layer, and first electrode is adjacent to first substrate and protective layer.The adjacent setting of second plate with first plate, second plate comprises one second substrate, a plurality of barrier rib and a plurality of second electrode, the barrier rib and second electrode are formed on second substrate, and barrier rib forms a plurality of zones, wantonly three each other the central point in the zone of adjacency be arranged in triangle.Filter comprises a wire netting, is arranged at first plate, and wire netting is intersected to form by a plurality of lines, one side one of them of above-mentioned lines and leg-of-muttonly have an angle, this angle is 0 to 15 degree or 45 to 60 degree.
Again, above-mentioned zone is square type or honeycomb type.
Again, wire netting is mainly made with copper.
In a preferred embodiment, the angle on one of them of above-mentioned lines and leg-of-mutton one side is 1 to 3 degree.
Above-mentioned filter more comprises an anti-reflecting layer and a near infrared ray overcoat, adjacent with wire netting respectively setting.And this anti-reflecting layer is that acryl resin is made.
Again in the present invention, provide another kind of plasma scope, comprise one first plate, one second plate and a filter.First plate comprises one first substrate, a plurality of first electrode and a protective layer, and first electrode is adjacent to first substrate and protective layer.The adjacent setting of second plate with first plate, second plate comprises one second substrate, a plurality of barrier rib and a plurality of second electrode, the barrier rib and second electrode are formed on second substrate, and barrier rib forms a plurality of zones, wantonly three each other the central point in the zone of adjacency be arranged in triangle.Filter is positioned on first plate, have one between the filter and first plate at interval, filter comprises a wire netting and a filter substrate, wire netting is arranged on the filter substrate, wire netting is intersected to form by a plurality of lines, one of them of above-mentioned lines and leg-of-mutton one side have an angle, and angle is 0 to 15 degree or 45 to 60 degree.
Description of drawings
For above-mentioned and other purpose of the present invention, feature and advantage can be become apparent, several concrete preferred embodiments cited below particularly, and cooperate appended graphic elaborating, wherein:
Fig. 1 shows the profile of existing plasma scope;
Fig. 2 A shows the exploded view of existing filter substrate;
Fig. 2 B shows the end view of existing filter substrate;
Fig. 3 shows the profile of plasma scope of the present invention;
Fig. 4 shows the profile of another kind of plasma scope of the present invention;
The rectangular resistance next door structure chart that Fig. 5 A displayed map 3 and 4 Y direction are observed;
The barrier rib partial enlarged drawing of Fig. 5 B displayed map 5A;
Fig. 6 shows the triangle partial enlarged drawing of wire netting of the present invention and Fig. 5 B;
The honeycomb type barrier wall structure figure that the Y direction of Fig. 7 A displayed map 3 is observed;
The barrier rib partial enlarged drawing of Fig. 7 B displayed map 7A figure; And
Fig. 8 shows the triangle partial enlarged drawing of wire netting of the present invention and Fig. 7 B.
Description of reference numerals
10 ', 10a '～filter substrate 10b '～sputter baffling device
10,10a～filter 11 '～electromagnetic wave graticule mesh
11～wire netting 11a '～electromagnetic wave graticule mesh
11b '～silver (Ag) sputter coating 12 ', 12～acryl resin plate (AR film)
13 '～glass substrate 14 '～near infrared ray layer (NIR layer)
15 ', 15～at interval 20 '～header boards
20～the first plates 22 '～front substrate
22～the first substrates, 23～filter substrate
24 '～transparency electrode, 24～transparency electrode
26 '～auxiliary electrode, 26～auxiliary electrode
25 '～the first dielectric layer, 25～the first dielectric layers
28 '～protective layer, 28～protective layer
30 '～back plate 30～the second plates
31 '～barrier rib, 31～barrier rib
The electric space of 32 '～discharge space 32～change
33 '～phosphorus, 33～phosphorus
34 '～the second dielectric layer, 34～the second dielectric layers
35 '～addressing electrode, 35～addressing electrode
36 '～the second substrate, 36～the second substrates
100 '～plasma scope, 100～plasma scope
102a, 102b～lines A, B, C～central point
X
1, X
2, X
3～leg-of-mutton limit Y～direction of arrow
θ～angle
Embodiment
At present the use kenel of plasma scope can be divided into DC type and two kinds on AC type, in recent years, is the main flow of development with AC type plasma scope mainly.Plasma scope 100 in the present invention promptly is to propose related description at AC type plasma scope.
Fig. 3 and Fig. 4 represent the partial structurtes figure in the plasma scope 100 of the present invention.Plasma scope 100 includes a plurality of discharge spaces (cell), but for for the purpose of the convenient expression, only describes at single discharge space among the Yu Bentu.
As shown in Figure 3, plasma scope 100 mainly includes a filter 10, one first plate 20 and one second plate 30, wherein, filter 10 is positioned at the outermost locations of plasma scope 100, first plate 20 is arranged between the filter 10 and second plate 30, and filter 10 then is to be set directly on first substrate 22 of first plate 20.
In addition, filter 10 of the present invention is not limited to this, the filter 10a as it can be as shown in Figure 4.Filter 10a and above-mentioned first kind of filter 10 difference are: filter 10a adds that by another sheet filter substrate (filter glass) 23 wire netting 11 combines, rather than directly wire netting 11 is attached on first plate 20, and between the filter 10a and first plate 20, has an interval 15, this filter 10a more comprises anti-reflecting layer 12 and near infrared ray overcoat 14, respectively with wire netting 11 adjacent settings.And this anti-reflecting layer 12 is that acryl resin is made.
No matter be to be set directly at wire netting 11 on first plate 20 or to increase the mode that a slice has the filter substrate 23 of wire netting 11 in addition, all can have good electromagnetic wave proof effect.
Because the structure of wire netting 11 is principal elements of the electromagnetic obstruct degree of influence, below describe the lines angle of above-mentioned wire netting 11 in detail.Main purpose of the present invention is to be to change the angle that the lines of wire netting are provided with, so meet Class B grade prevent the Electromagnetic Interference requirement.The rule that arrange in above-mentioned discharge space or zone 32 has three kinds of structures: single face vertical bar shape, comprehensive clathrate of intersecting parallels (closedtype) and the up-to-date comprehensive clathrate of triangle (delta structure closed type), the structure of the barrier rib 31 formed discharge spaces 32 in the plasma scope 100 of the present invention is the comprehensive clathrate of triangle, shown in Fig. 5 A, observe down by the Y direction of Fig. 3 and 4, a plurality of barrier ribs 31 on second plate 30 form a plurality of rectangular areas 32, behind the partial enlarged drawing 5A, can find out from Fig. 5 B, the central point A of wantonly three rectangular areas that are adjacent to each other 32, B, C is arranged in a triangle, and this triangle has three limit X
1, X
2, X
3
Fig. 6 shows the triangle partial enlarged drawing of wire netting 11 of the present invention and Fig. 5 B.Above-mentioned wire netting 11 is formed by a plurality of lines 102a, 102b, wherein a lines 102a and leg-of-mutton one side X
1Have an angle theta, this angle theta is 0 to 15 degree or 45 to 60 degree.The present invention is via experiment showed, these lines 102a and leg-of-mutton one side X
1Preferred angle theta be 1 to 3 the degree.
Above-mentioned barrier rib 31 formed regional 32 more can be honeycomb type, shown in Fig. 7 A and 7B.Same, central point A, B, the C in wantonly three honeycomb type zones 32 that are adjacent to each other are arranged in a triangle, and this triangle has three limit X
1, X
2, X
3Fig. 8 shows the triangle partial enlarged drawing of wire netting 11 of the present invention and Fig. 7 B.A wherein lines 102a and leg-of-mutton one side X of above-mentioned wire netting 11
1Have an angle theta, this angle theta also is to be necessary for 0 to 15 degree or 45 to 60 degree.The present invention is via experiment showed, these lines 102a and leg-of-mutton one side X
1Preferred angle theta be 1 to 3 the degree.
Because above-mentioned wire netting 11 is mainly made with copper, existing silver of the resistance value ratio of copper or ITO sputter coating are comparatively low, can make the electromagnetic wave specification by Class B, in addition, utilize the wire netting with set angle of the present invention can not produce macroscopic interference fringe on screen.
Though the present invention with several preferred embodiments openly as above; but it is not in order to limit the present invention; those skilled in the art are under the situation that does not break away from the spirit and scope of the present invention; still can do a little change and retouching, so protection scope of the present invention is when with appended being as the criterion that claim was defined.
Claims (15)
1. plasma scope comprises:
One first plate comprises one first substrate, a plurality of first electrode and a protective layer, and those first electrodes are adjacent to this first substrate, this protective layer;
One second plate, with the adjacent setting of this first plate, and comprise one second substrate, a plurality of barrier rib and a plurality of second electrode, those barrier ribs and those second electrodes are formed on this second substrate, those barrier ribs form a plurality of zones, wantonly three each other the central point in the zone of adjacency be arranged in triangle; And
One filter comprises a wire netting, and is arranged on this first plate, and this wire netting is intersected to form by a plurality of lines, one side one of them of those lines with should be leg-of-mutton have an angle, this angle is that 0 to 15 degree or 45 to 60 is spent.
2. plasma scope as claimed in claim 1, wherein those zones are the square type.
3. plasma scope as claimed in claim 1, wherein those zones are honeycomb type.
4. plasma scope as claimed in claim 1, wherein this wire netting mainly becomes with copper.
5. plasma scope as claimed in claim 1, wherein this angle is 1 to 3 degree.
6. plasma scope as claimed in claim 1, wherein this filter also comprises an anti-reflecting layer and a near infrared ray overcoat, adjacent with this wire netting respectively setting.
7. plasma scope as claimed in claim 5, wherein this anti-reflecting layer is that acryl resin is made.
8. plasma scope comprises:
One first plate comprises one first substrate, a plurality of first electrode and a protective layer, and those first electrodes are adjacent to this first substrate, this protective layer;
One second plate, with the adjacent setting of this first plate, and comprise one second substrate, a plurality of barrier rib and a plurality of second electrode, those barrier ribs and those second electrodes are formed on this second substrate, those barrier ribs form a plurality of zones, wantonly three each other the central point in the zone of adjacency be arranged in triangle; And
One filter is positioned on this first plate, comprises a wire netting and a filter substrate, this wire netting is arranged on this filter substrate, this wire netting is intersected to form by a plurality of lines, one side one of them of those lines with should be leg-of-mutton have an angle, this angle is that 0 to 15 degree or 45 to 60 is spent.
9. plasma scope as claimed in claim 8 wherein has one at interval between this filter and this first plate.
10. plasma scope as claimed in claim 8, wherein those zones are the square type.
11. plasma scope as claimed in claim 8, wherein those zones are honeycomb type.
12. plasma scope as claimed in claim 8, wherein this wire netting is mainly made with copper.
13. plasma scope as claimed in claim 8, wherein this angle is 1 to 3 degree.
14. plasma scope as claimed in claim 8, wherein this filter also comprises an anti-reflecting layer and a near infrared ray overcoat, adjacent with this wire netting respectively setting.
15. plasma scope as claimed in claim 14, wherein this anti-reflecting layer is that acryl resin is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101156428A CN1316537C (en) | 2003-11-10 | 2003-11-10 | Plasma display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101156428A CN1316537C (en) | 2003-11-10 | 2003-11-10 | Plasma display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1545122A true CN1545122A (en) | 2004-11-10 |
| CN1316537C CN1316537C (en) | 2007-05-16 |
Family
ID=34337372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101156428A Expired - Fee Related CN1316537C (en) | 2003-11-10 | 2003-11-10 | Plasma display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1316537C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1028611B1 (en) * | 1997-06-24 | 2004-06-09 | Bridgestone Corporation | Electromagnetic wave shielding and light transmitting plate |
| JPH11329262A (en) * | 1998-05-14 | 1999-11-30 | Mitsubishi Electric Corp | Plasma display panel |
| JPH11338383A (en) * | 1998-05-22 | 1999-12-10 | Bridgestone Corp | Display panel |
| JP2001022283A (en) * | 1999-04-13 | 2001-01-26 | Mitsubishi Rayon Co Ltd | Filter and image device provided with filter |
| JP2002049347A (en) * | 2000-08-02 | 2002-02-15 | Kenwood Corp | Device and method for driving plasma display panel |
-
2003
- 2003-11-10 CN CNB2003101156428A patent/CN1316537C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1316537C (en) | 2007-05-16 |
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Granted publication date: 20070516 Termination date: 20151110 |
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| EXPY | Termination of patent right or utility model |