CN1314069C - A plasma display panel - Google Patents
A plasma display panel Download PDFInfo
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- CN1314069C CN1314069C CN 200410037373 CN200410037373A CN1314069C CN 1314069 C CN1314069 C CN 1314069C CN 200410037373 CN200410037373 CN 200410037373 CN 200410037373 A CN200410037373 A CN 200410037373A CN 1314069 C CN1314069 C CN 1314069C
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- shadow mask
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- glass substrate
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Abstract
The present invention discloses a plasma display panel which mainly comprises a front base plate, a back base plate and a conductive shadow mask, wherein the conductive shadow mask is clamped between the front base plate and the back base plate for supporting the front base plate and the back base plate, and comprises a grid hole array. The present invention is characterized in that an addressing electrode and a scanning electrode are respectively arranged outside front glass and back glass; glass with a low melting point is coated on the local area of the surface of the conductive shadow mask; after being hermetically connected with the back surfaces of the front base plate and the back base plate at high temperature, the front glass and the back glass are mutually glued; each grid hole is vertically crossed with the addressing electrode and the scanning electrode to form a basic discharge unit. The present invention relative to the existing plasma display panel reduces a high temperature sintering technology, and relieves the weight. Consequently, the present invention reduces manufacturing cost.
Description
Technical field
The present invention relates to plasma display panel, relate in particular to the shadow mask type plasma display panel.
Background technology
Three conventional electrode AC creeping discharge type plasma display panels mainly comprise prebasal plate and metacoxal plate.Metacoxal plate comprises the back substrate glass substrate, the horizontal addressing electrode that on the back substrate glass substrate, forms, be provided with the dielectric layer that forms on the back substrate glass substrate of addressing electrode, keeping arcing distance and prevent the barrier that cross (talk) is made by dielectric material between the pixel perpendicular to addressing electrode in being used to of forming on the dielectric layer.Prebasal plate comprises the preceding substrate glass substrate of waiting to install on the metacoxal plate and replace transparent scan electrode and the public electrode that forms with the addressing electrode spatial vertical on the lower surface of preceding substrate glass substrate, and the dielectric layer that forms on the lower surface of the preceding substrate glass substrate that is provided with scan electrode and public electrode.The discharge working gas of filling a vacancy predetermined in the discharge space between metacoxal plate and prebasal plate, for example various inert gas.
Conventional shadow mask plasma display panel mainly comprises prebasal plate, metacoxal plate and shadow mask.Metacoxal plate comprises the back substrate glass substrate, and the addressing electrode that forms on the back substrate glass substrate is being provided with the dielectric layer that forms on the back substrate glass substrate of addressing electrode; Substrate glass substrate and on the lower surface of preceding substrate glass substrate, form transparent scan electrode with the addressing electrode spatial vertical before prebasal plate comprises, and the dielectric layer that on the lower surface of the preceding substrate glass substrate that is provided with scan electrode and public electrode, forms; Being clipped in the middle shadow mask of forward and backward substrate is the thin web plate that comprises the mesh array that is processed by electric conducting material (for example iron or its alloy).To charge into predetermined discharge working gas after above-mentioned prebasal plate, shadow mask and the metacoxal plate assembling sealing-in, for example various inert gas have promptly formed the shadow mask type plasma display panel.
Yet have following problem in the above-mentioned plasma display panel: 1. in order to obtain enough intensity, forward and backward substrate adopts the glass substrate about 3mm usually, and therefore for large scale display, weight is bigger; 2. in order to realize alternating current discharge, must on glass substrate, make electrode, dielectric layer, and these manufacturing process all need the above high-temperature sintering process of 500 degree, so production efficiency is low; 3. pyroprocess is had relatively high expectations to glass substrate.
Summary of the invention
The objective of the invention is to provide a kind of shadow mask plasma display panel, existing relatively plasma display panel, weight is lighter, and manufacturing process is simple, and is with low cost.
The present invention mainly is made of metacoxal plate 1, shadow mask 3 and prebasal plate 2.Metacoxal plate 1 comprises back substrate glass substrate 4a, the 0.1-10 that common thickness is shadow mask 3 thickness doubly, the first electrode group 5 in that back substrate glass substrate 4a outer surface forms is commonly referred to row electrode group or address electrodes of address electrode group, forms diaphragm 6 at back substrate glass substrate 4a inner surface; Prebasal plate 2 comprises preceding substrate glass substrate 7a, the 0.1-10 that common thickness is shadow mask 3 thickness doubly, form on the preceding substrate glass substrate 7a outer surface with metacoxal plate 1 on the second electrode group 8 of 5 one-tenth spatial vertical quadratures of the first electrode group, be commonly referred to column electrode group or scan electrode group, form diaphragm 9 on the inner surface of preceding substrate glass substrate 7a; The shadow mask 3 that is clipped between front-back baseboard 1,2 inner surfaces is conductive plates that comprise grid hole 10 arrays, its material is the nonmetallic materials of iron, iron containing alloy, other metal alloys or surface plating conductive material membrane, its thickness is 0.05-1.0mm, the aperture size of each grid hole is 0.1-10 a times of shadow mask thickness, its shape and array arrangement are not limit, each grid hole and first electrode 5 and second electrode 8 intersect vertically, and the aperture area that the grid hole in the shadow mask 3 contacts with prebasal plate 2 is 1-20 a times of its aperture area that contacts with metacoxal plate 1; On the one hand, shadow mask 3 supports front-back baseboard 1,2; Shadow mask grid hole 10, second electrode 8 and first electrode 5 form the alternating current discharge elementary cell on the other hand.Around the inner surface of prebasal plate 2 or metacoxal plate 1, make the sealing-in frame, carry out behind the high intermediate temperature sealing prebasal plate 2, shadow mask 3, metacoxal plate 1 inter-adhesive with low-melting glass.Fill the required working gas with certain air pressure in above-mentioned device, this has just formed plasma display panel provided by the present invention.The operation principle of this plasma display panel is as follows: if with the first electrode group 5 as addressing electrode, with the second electrode group 8 as scan electrode, with shadow mask 3 as public electrode or electric potential floating electrode, at first, between addressing electrode and scan electrode, add a high voltage narrow pulse or slope pulsed erase signal, wipe the wall electric charge of discharge accumulation last time, on scan electrode, add the negative scanning impulse addressing voltage of a high pressure then and choose this row, simultaneously on addressing electrode in addition this row corresponding to the positive data pulse of displayed image, the difference of this data pulse voltage amplitude and scanning voltage is higher than the firing voltage between scan electrode and the addressing electrode, control triggers discharge to form the wall CHARGE DISTRIBUTION corresponding to this row of required displayed image, after finishing the discharge initially of whole screen image line by line, between scan electrode and addressing electrode, apply and keep discharge voltage, to show this frame image.So circulation can realize displayed image frame by frame.
The present invention has the following advantages: 1. since scan electrode and addressing electrode respectively outside forward and backward glass substrate, glass substrate itself serves as dielectric layer and forms and exchange dielectric barrier discharge, therefore simple in structure, the simple cost of manufacturing process is low.2. plasma display panel of the present invention be because middle shadow mask can adopt metal material, the intensity height, therefore before and after glass substrate can adopt thin glass, thereby alleviate the weight of device.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the structural representation of the embodiment of the invention two;
Accompanying drawing 3 is a strip groove shade mask structure front view;
Accompanying drawing 4 is a strip groove shade mask structure dorsal view;
Accompanying drawing 5 is netted groove shade mask structure front view;
Accompanying drawing 6 is netted groove shade mask structure dorsal view;
Accompanying drawing 7 is netted groove glass substrate schematic diagram.
Embodiment
On the basis of foregoing invention, further consider concrete structure, propose following various embodiment, and, further specify the distinctive advantage of each embodiment by specific embodiment.
1. the first embodiment of the present invention as shown in Figure 1, mainly constitute by metacoxal plate 1, shadow mask 3 and prebasal plate 2, metacoxal plate 1 comprises back substrate glass substrate 4a, the 0.1-10 that common thickness is shadow mask 3 thickness doubly, the first electrode group 5 in the formation of back substrate glass substrate 4a outer surface, be commonly referred to row electrode group or address electrodes of address electrode group, form diaphragm 6, be generally MgO at back substrate glass substrate 4a inner surface; Prebasal plate 2 comprises preceding substrate glass substrate 7a, the 0.1-10 that common thickness is shadow mask 3 thickness doubly, form on the preceding substrate glass substrate 7a outer surface with metacoxal plate 1 on the second electrode group 8 of 5 one-tenth spatial vertical quadratures of the first electrode group, be commonly referred to column electrode group or scan electrode group, form diaphragm 9 on the inner surface of preceding substrate glass substrate 7a; The shadow mask 3 that is clipped between front-back baseboard 1,2 inner surfaces is conductive plates that comprise grid hole 10 arrays, its material is the nonmetallic materials of iron, iron containing alloy, other metal alloys or surface plating conductive material membrane, its thickness is 0.05-1.0mm, each grid hole aperture size is 0.1-10 a times of shadow mask thickness, its shape and array arrangement are not limit, each grid hole and first electrode 5 and second electrode 8 intersect vertically, and the aperture area that the grid hole 10 in the shadow mask 3 contacts with prebasal plate 2 is 1-20 a times of its aperture area that contacts with metacoxal plate 1; On the one hand, shadow mask 3 supports front-back baseboard 1,2; Shadow mask grid hole 10, second electrode 8 and first electrode 5 form the alternating current discharge elementary cell on the other hand.Around the inner surface of prebasal plate 2 or metacoxal plate 1, make the sealing-in frame, carry out behind the high intermediate temperature sealing prebasal plate 2, shadow mask 3, metacoxal plate 1 inter-adhesive with low-melting glass.Fill the required working gas with certain air pressure in above-mentioned device, this has just formed plasma display panel provided by the present invention.The operation principle of this plasma display panel is as follows: if with the first electrode group 5 as addressing electrode, with the second electrode group 8 as scan electrode, with shadow mask 3 as public electrode or electric potential floating electrode, at first, between address electrodes of address electrode group and scan electrode group, add a high voltage narrow pulse or slope pulsed erase signal, wipe the wall electric charge of discharge accumulation last time, on scan electrode, add the negative scanning impulse addressing voltage of a high pressure then and choose this row, simultaneously on addressing electrode in addition this row corresponding to the positive data pulse of displayed image, the difference of this data pulse voltage amplitude and scanning voltage is higher than the firing voltage between scan electrode and the addressing electrode, control triggers discharge to form the wall CHARGE DISTRIBUTION corresponding to this row of required displayed image, after finishing the discharge initially of whole screen image line by line, between scan electrode and addressing electrode, apply and keep discharge voltage, to show this frame image.So circulation can realize displayed image frame by frame.
2. the second embodiment of the present invention mainly is made of metacoxal plate 11, gas box 13 and prebasal plate 12 as shown in Figure 2.Metacoxal plate 11 comprises back substrate substrate 14, and thickness is glass or the soft substrate organic material film of 0.01-3mm usually, and the first electrode group 5 in that back substrate substrate 14 inner surfaces form is commonly referred to row electrode group or address electrodes of address electrode group; Prebasal plate 12 comprises preceding underlay substrate 15, usually thickness is glass or the soft substrate organic material film of 0.01-3mm, form on preceding underlay substrate 15 inner surfaces with metacoxal plate 11 on the second electrode group 8 of 5 one-tenth spatial vertical quadratures of the first electrode group, be commonly referred to column electrode group or scan electrode group; The gas box 13 that is clipped between front- back baseboard 11,12 inner surfaces is formed by front and back packaged glass substrate 4b, 7b and shadow mask 3 encapsulation, wherein shadow mask 3 is conductive plates that comprise grid hole 10 arrays, the aperture size of each grid hole is 0.1-10 a times of shadow mask thickness, its shape and array arrangement are not limit, and the aperture area that grid hole 10 contacts with preceding packaged glass substrate 7b is 1-20 a times of its aperture area that contacts with back packaged glass substrate 4b; The material of shadow mask 3 is an iron, iron containing alloy, the nonmetallic materials of other metal alloys or surface plating conductive material membrane, its thickness is 0.05-1.0mm, by changing the alloy material ratio, make shadow mask 3 and front and back packaged glass substrate 4b, the thermal coefficient of expansion of 7b is complementary, shadow mask is sandwiched in the 0.1-10 front and back packaged glass substrate 4b doubly that common thickness is shadow mask 3 thickness, between the 7b, front and back packaged glass substrate 4b, the 7b inner surface forms diaphragm, be generally MgO, after charging into the working gas of certain air pressure, with front and back packaged glass substrate 4b, 7b and shadow mask 3 are by the frit seal of periphery; Assemble prebasal plate 12, gas box 13, metacoxal plate 11 fixing, first electrode 5 on each grid hole of shadow mask 3 and the metacoxal plate 11 and second electrode 8 on the prebasal plate 12 intersect vertically, shadow mask grid hole 10, second electrode 8 and first electrode 5 form the alternating current discharge elementary cell, and this has just formed plasma display panel provided by the present invention.
3. among above-mentioned first and second kind embodiment, at the back side of shadow mask 3 corresponding to the position of row electrode group 5 have the degree of depth be shadow mask 3 thickness 0.01-0.9 doubly, width is that the 0.1-1.5 groove 16 doubly of row electrode width connects column direction adjacent net checkerwork cell, and extend to the shadow mask frame always, shown in accompanying drawing 3,4,5,6; This groove also can have on the front or the two sides of shadow mask 3, and its direction also is not limited to parallel with row electrode group 5, and shape also can be netted or random groove 18, and its width is not limit; Just constituted the third embodiment of the present invention in that no groove zone coating glass powder with low melting point and front-back baseboard are bonding.
4. among above-mentioned first to three embodiment, forward and backward substrate glass substrate 4a, 7a towards the surface of shadow mask 3 or forward and backward packaged glass substrate 4b, 7b towards the surface of shadow mask 3, form strip, netted or random groove 19, its width and the degree of depth are 0.01-0.9 times of each corresponding thickness of glass substrate, and extend to outside the shadow mask frame always, as shown in Figure 7, this has just constituted the fourth embodiment of the present invention.
5. among above-mentioned first to three embodiment, if shadow mask 3 surface locals or all apply low-melting glass and forward and backward substrate glass substrate 4a, 7a and forward and backward packaged glass substrate 4b, 7b cohere encapsulation have just constituted the fifth embodiment of the present invention.
6. among above-mentioned first to five embodiment, if apply ultraviolet excited fluorescence powder 17 at shadow mask grid hole perisporium, and fill with suitable working gas, the ultraviolet excitation ultraviolet fluorescence powder that makes it to produce respective wavelength sends visible light, displayed image, this has just constituted the 6th kind of embodiment of the present invention.
7. among above-mentioned first to five embodiment, if apply red, green, blue three primary colors ultraviolet excited fluorescence powder 17 successively at shadow mask grid hole array, and fill with suitable working gas, the ultraviolet excitation ultraviolet fluorescence powder that makes it to produce respective wavelength sends red, green, blue three primary colors visible light, get final product color image display, this has just constituted the 7th kind of embodiment of the present invention.
Claims (10)
1. plasma display panel comprises metacoxal plate (1) and prebasal plate (2) and is clipped in shadow mask (3) between front-back baseboard (1), (2); It is characterized in that metacoxal plate (1) comprises back substrate glass substrate (4a), first electrode (5) that on back substrate glass substrate (4a) outer surface, forms, the diaphragm (6) that on back substrate glass substrate (4a) inner surface, forms; Prebasal plate (2) comprises preceding substrate glass substrate (7a), second electrode (8) that becomes the spatial vertical quadrature with last first electrode of metacoxal plate (1) (5) that on preceding substrate glass substrate (7a) outer surface, forms, the diaphragm (9) that on the inner surface of preceding substrate glass substrate (7a), forms; Being clipped in the shadow mask (3) between front-back baseboard (1), (2), is a conductive plate that comprises grid hole (10) array; First electrode (5) on shadow mask (3), the back substrate glass substrate (4a) and second electrode (8) on the preceding substrate glass substrate (7a) form the alternating current discharge elementary cell; Around the inner surface of prebasal plate (2) or metacoxal plate (1), make the sealing-in frame, prebasal plate (2), shadow mask (3), metacoxal plate (1) are carried out forming inter-adhesive structure behind the high intermediate temperature sealing with low-melting glass;
2. a kind of plasma display panel according to claim 1, it is characterized in that shadow mask (3), it is a conductive plate that comprises the grid hole array, its material is the nonmetallic materials of iron, iron containing alloy, other metal alloys or surface plating conductive material membrane, its thickness is 0.05-1.0mm, the aperture area that grid hole (10) in the shadow mask (3) contacts with prebasal plate (2) is 1-20 a times of its aperture area that contacts with metacoxal plate (1), the aperture size of each grid hole (10) is 0.1-10 a times of shadow mask thickness, and its shape and array arrangement are not limit.
3. a kind of plasma display panel according to claim 1, the thickness that it is characterized in that front and back substrate glass substrate (4a), (7a) are 0.1-10 times of shadow mask (3) thickness.
4. a kind of plasma display panel according to claim 1, the back side that it is characterized in that the shadow mask (3) that contacts with metacoxal plate (1) corresponding to the position of row electrode group (5) form the degree of depth be shadow mask (3) thickness 0.01-0.9 doubly, width is the 0.1-1.5 groove (16) doubly of row electrode width, this groove (16) connects column direction adjacent net checkerwork cell (10), and extends to the shadow mask frame always.
5. a kind of plasma display panel according to claim 1 is characterized in that shadow mask (3) front or the back side or both sides form netted or random groove (18), and its width is not limit.
6. a kind of plasma display panel according to claim 1, it is characterized in that back substrate glass substrate (4a) or preceding substrate glass substrate (7a) or both inner surfaces form strip, netted or random groove (19), its width and the degree of depth are 0.01-0.9 times of this thickness of glass substrate, and extend to outside the shadow mask frame always.
7. a kind of plasma display panel according to claim 1 is characterized in that shadow mask (3) surface local or all scribbles low-melting glass and prebasal plate (2) and metacoxal plate (1) formation bonded structure.
8. a kind of plasma display panel according to claim 1 is characterized in that the grid hole perisporium part of shadow mask (3) or all applies monochromatic ultraviolet excitated fluorescent powder (17), constitutes monochromatic plasma display panel.
9. a kind of plasma display panel according to claim 1 is characterized in that the grid hole perisporium of shadow mask (3) applies red, green, blue three primary colors ultraviolet excited fluorescence powder (17) successively, constitutes colour plasma display board.
10. plasma display panel comprises metacoxal plate (11) and prebasal plate (12) and is clipped in gas box (13) between front-back baseboard (11), (12); It is characterized in that metacoxal plate (11) comprises back substrate substrate (14), in the first electrode group (5) of back substrate substrate (14) inner surface formation; Prebasal plate (12) comprises preceding underlay substrate (15), is forming the second electrode group (8) that becomes the spatial vertical quadrature with the first electrode group (5) on the metacoxal plate (11) on preceding underlay substrate (15) inner surface; The gas box (13) that is clipped between front-back baseboard (11), (12) inner surface is formed by front and back packaged glass substrates (4b), (7b) and shadow mask (3) encapsulation, wherein shadow mask (3) is a conductive plate that comprises grid hole (10) array, shadow mask is sandwiched between front and back packaged glass substrate (4b), (7b), front and back packaged glass substrate (4b), (7b) inner surface form diaphragm, after charging into the working gas of certain air pressure, with the frit seal of front and back packaged glass substrates (4b), (7b) and shadow mask (3) by periphery; Assemble prebasal plate (12), gas box (13), metacoxal plate (11) fixing, first electrode (5) on each grid hole of shadow mask (3) and the metacoxal plate (11) and second electrode (8) on the prebasal plate (12) intersect vertically, and shadow mask grid hole (10), second electrode (8) and first electrode (5) form the alternating current discharge elementary cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037373 CN1314069C (en) | 2004-04-30 | 2004-04-30 | A plasma display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037373 CN1314069C (en) | 2004-04-30 | 2004-04-30 | A plasma display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571105A CN1571105A (en) | 2005-01-26 |
| CN1314069C true CN1314069C (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410037373 Expired - Fee Related CN1314069C (en) | 2004-04-30 | 2004-04-30 | A plasma display panel |
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| CN (1) | CN1314069C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100511563C (en) * | 2006-08-15 | 2009-07-08 | 南京华显高科有限公司 | Surface discharge shadow mask type plasma display panel |
| WO2009152661A1 (en) * | 2008-06-20 | 2009-12-23 | 南京华显高科有限公司 | A plasma display panel |
| CN101422773B (en) * | 2008-11-18 | 2011-07-13 | 南京华显高科有限公司 | Bottom mat mask shadow-mask aligned spray-painting method |
| CN101615552B (en) * | 2009-01-13 | 2011-10-19 | 南京华显高科有限公司 | Shadow mask plasma display |
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- 2004-04-30 CN CN 200410037373 patent/CN1314069C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1571105A (en) | 2005-01-26 |
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Granted publication date: 20070502 Termination date: 20120430 |