CN101202192A - Commingle discharging shadow mask type plasma display panel and driving method thereof - Google Patents
Commingle discharging shadow mask type plasma display panel and driving method thereof Download PDFInfo
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- CN101202192A CN101202192A CNA2007101904728A CN200710190472A CN101202192A CN 101202192 A CN101202192 A CN 101202192A CN A2007101904728 A CNA2007101904728 A CN A2007101904728A CN 200710190472 A CN200710190472 A CN 200710190472A CN 101202192 A CN101202192 A CN 101202192A
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Abstract
The invention discloses a mixed discharging shadow mask plasma display board, aiming at the problems caused by a subtend discharging adopted by the existing shadow mask plasma display board and making use of the advantages of the barrier preparation of shadow mask. The display board comprises a front base board, a back base board and a conductive shadow mask which comprises a grid-hole array and is clamped between the front and back base boards to support the base boards. A group of scanning electrodes and maintaining electrodes which are arranged on the front base board, an address-searching electrode arranged on the back base board and the grid hole of the conductive shadow mask form a discharging unit. The invention also discloses a driving method with combined subtend discharging and surface discharging. The invention has the advantages that the fire voltage is low; the brightness and illumination efficiency are high; the power consumption is low.
Description
Technical field
The present invention relates to a kind of plasma display panel, relate in particular to a kind of shadow mask plasma display panel, specifically a kind of commingle discharging shadow mask type plasma display panel and driving method thereof.
Background technology
The shadow mask plasma display panel that adopts mainly comprises prebasal plate, metacoxal plate and shadow mask at present.Prebasal plate is from glass substrate, is respectively scan electrode, dielectric layer and the protective layer that forms on the dielectric layer surface; Metacoxal plate is respectively the addressing electrode vertical with scan electrode from glass substrate, dielectric layer and the protective layer that forms on dielectric layer; Being clipped in the middle shadow mask of forward and backward substrate is the metal foil web plate that comprises the mesh array that is processed by electric conducting material (for example iron or its alloy).To charge into predetermined working gas after above-mentioned prebasal plate, shadow mask and the metacoxal plate assembling sealing-in, for example various inert gases have promptly formed shadow mask plasma display panel.Shadow mask plasma display panel adopts the operation principle of subtend discharge at present, and its operation principle is as follows: at first, add a high voltage narrow pulse or slope pulsed erase signal between address electrodes of address electrode group and scan electrode, wipe the wall electric charge of discharge accumulation last time; On scan electrode, add a high impulse addressing voltage then and choose this row, on addressing electrode, apply simultaneously the data pulse of this row, 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, thereby forms the wall CHARGE DISTRIBUTION corresponding with required display message at this row; After finishing whole screen image initial discharge line by line, between scan electrode group and addressing electrode, apply and keep discharge pulse, to show this two field picture.Circulation like this is displayed image frame by frame.For colored shadow mask plasma display panel, the coated inner wall three primary colors fluorescent powder of shadow mask, the vacuum-ultraviolet light that gas discharge produces in each discharge cell excites different fluorescent materials to send corresponding three primary colors light.Yet have following problem in the above-mentioned shadow mask plasma display panel: 1. owing to adopt subtend type discharging structure, discharge space is less, and discharge path is shorter, so discharging efficiency is lower.2. owing to but the area of coating fluorescent powder on the shadow mask hole wall is less, so brightness is lower.3. because region of discharge is far away apart from phosphor powder layer, and the 147nm vacuum-ultraviolet light of discharge generation is big in resonance absorption loss in the fluorescent material radiative process, so brightness and luminous efficiency are lower.
Though existing surface-discharged plasma display plate has luminous efficiency height, the bright advantage of luminosity, the barrier structure complex manufacturing technology, the cost height, the making rate of finished products is low.
Summary of the invention
The objective of the invention is to adopt problem and the surface-discharged plasma display plate barrier cost of manufacture height and the low problem of rate of finished products of subtend type discharge generation at existing shadow mask plasma display panel, invent a kind ofly have high brightness, high-luminous-efficiency and low-power consumption, easily manufactured set pair is the mixed type shadow mask plasma display panel and the driving method thereof of one to surface discharge.
Technical scheme of the present invention is:
A kind of commingle discharging shadow mask type plasma display panel, comprise prebasal plate 1, metacoxal plate 2, shadow mask 3, wherein shadow mask 3 is encapsulated in front-back baseboard 1, between 2, described prebasal plate 1 is mainly by preceding substrate glass substrate 4, first electrode pair 5,6, dielectric layer 7, diaphragm 8 are formed, first electrode pair 5 wherein, 6 are parallel on the preceding substrate glass substrate 4, electrode 5 is called keeps electrode, and electrode 6 is called scan electrode, and dielectric layer 7 covers first electrode pair 5, on 6,8 of diaphragms cover on the dielectric layer 7; Described metacoxal plate 2 is mainly by back substrate glass substrate 9, second electrode 10, dielectric layer 11 is formed, wherein second electrode 10 is positioned on the back substrate glass substrate 9, dielectric layer 11 covers on second electrode 10, second electrode 10 is commonly referred to row electrode group or addressing electrode, with first electrode pair 5 on the prebasal plate 1,6 one-tenth spatial vertical quadratures, it is characterized in that described shadow mask 3 is that a thickness d is the conductive plate that comprises infundibulate grid hole 12 arrays of 0.1～1.0mm, described infundibulate grid hole 12 and prebasal plate 1 relative upper shed 13 areas are 10～20 times of relative under shed 14 areas of itself and metacoxal plate 2, and each infundibulate grid hole 12 upper shed width 15 is 3～4 times of under shed width 16; First electrode pair 5,6 are and are arranged in parallel, corresponding with the upper shed 13 of infundibulate grid hole 12 on the shadow mask 3 respectively, the under shed 14 of the infundibulate grid hole 12 on second electrode 10 and the shadow mask 3 is corresponding, the under shed width 16 of each grid hole 12 is 1～2 times of second electrode, 10 width 17, upper shed length 19 is 1.5～2.0 times of under shed length 18, first electrode pair 5,6 electrode width 20 is identical, and upper shed length 19 is 5～20 times of electrode width 20 of first electrode pair 5,6, upper shed length 19 is first electrode pairs 5,1.25～5 times of parallel distance 21 between 6, each grid hole 12 and first electrode pair 5,6 and second electrode 10 intersect vertically.First electrode pair 5 of described shadow mask 3, blanket dielectric layer 7 and protective layer 8; 6 form the elementary cell that medium blocking types exchange the commingle discharging type with second electrode 10 that is coated with dielectric layer 11, are provided with the visible light light-emitting zone in the elementary cell of this medium blocking type interchange commingle discharging type.
The upper shed 13 of the infundibulate grid hole 12 on the shadow mask 3 is a kind of in strip, quadrangle, circle, rhombus, hexagon or the octagon, under shed 14 is a kind of in strip, quadrangle, circle, rhombus, hexagon or the octagon, but and combination in any, or arrange with eccentric manner at length direction on the same straight line perpendicular to mask surface at the upper and lower opening center.
It is that the inwall of infundibulate grid hole 12 is coated with fluorescent material that medium blocking type exchanges light-emitting zone in the elementary cell of commingle discharging type, and these zones that are coated with fluorescent material have constituted visible light light-emitting zone in the commingle discharging type elementary cell of the present invention just.
Exchanging the fluorescent material 24 that the visible light light-emitting zone of the elementary cell of commingle discharging type applies at medium blocking type is monochromatic fluorescent material.
Exchanging the fluorescent material 24 that the visible light light-emitting zone of the elementary cell of commingle discharging type applies at medium blocking type is three primary colors fluorescent powder.
Described shadow mask 3 material therefors are the nonmetallic materials that iron, iron containing alloy, other metal alloys or surface are coated with conductive material membrane.
Driving method of the present invention is:
Apply positive pulse Va at addressing electrode 10, consistent with the signal of display image, apply negative pulse Vc at scan electrode 6, make the firing voltage of Va+Vc greater than the unit, at first produce the discharge of subtend formula at addressing electrode 10 and scan electrode 6, the required wall electric charge of discharge is kept in accumulation, make this unit be in illuminating state simultaneously, apply the negative pulse Vs that keeps keeping electrode 5, select suitable voltage magnitude, make the discharge cell lighted at the wall electric charge with keep under the pulse acting in conjunction, at scan electrode 6 with keep 5 at electrode and produce the surface-type discharge, the state that always maintainings lights arrives up to erasing pulse.The particle concentration that long discharge path produces ionization increases, and produces more vacuum ultraviolet (VUV) optical excitation visible light, and its luminous efficiency is improved.The erase mode of discharge cell has multiple, and purpose is to eliminate the already present wall electric charge of discharge cell, makes it extinguish state keeping under the impulse action to be transferred to by illuminating state.As adopt burst pulse to wipe, and between twice discharge, apply positive narrow erasing pulse (about about 1 microsecond of pulse duration) at scan electrode 6, the wall electric charge of the discharge generation that it causes and the neutralization of original wall charge generation, thus discharge cell is extinguished.The high-voltage pulse that applies different sequential constitutes different driving methods.Plasma display panel of the present invention can adopt a son driving method of addressing and display separation (ADS), also can adopt Alternate Lighting of Surfaces (ALIS) driving method.For example adopt ADS driving method, in the preparatory stage, three of discharge cell electrodes ( electrode 5,6,10) are zero during beginning.To apply amplitude be V keeping electrode 5
Xw(V
XwFiring voltage V much larger than 5,6 at electrode
Fxy) full frame write pulse, make screen go up all unit and all be in same state, promptly extinguish state, on electrode 10, apply pulse V simultaneously
Aw(V
AwBe about V
Xw/ 2), make addressing electrode 10 not have the accumulation of wall electric charge substantially.Enter address period, electrode 5 making alive V
x Sequential scanning electrode 6, the electrode 6 that does not scan adds-V
Sc, and the electrode 6 of scanning adds-V
yMeanwhile, add addressing pulse V to lighting corresponding electrode 10 with needs
a, what do not need brightness then adds 0V.In the unit that will light, at first discharge between electrode 10 and electrode 6 causes in the discharge of electrode 5 and electrode 6, accumulates the wall electric charge simultaneously.For the unit that need not light, owing to there is not addressing pulse, do not produce discharge, there is not the accumulation of wall electric charge yet.In the phase of keeping, add V at addressing electrode 10
Aw, upper half electrode 5 adds 0V, and electrode 6 adds keeps pulse V
s, lower half electrode 5 adds V
s, electrode 6 adds keeps pulse 0V, under the wall charge effect, keeps discharge and carries out always, and discharge cell is in illuminating state, till needs are wiped.Like this display panel is lined by line scan, finish the demonstration of whole two field picture.Usually a two field picture is divided into the demonstration of plurality of sub field, all there are preparatory stage, address period in each son field and keep the phase, and the time ratio difference of the phase of keeping of each son field, with the realization gradation of image, as adopts 8 son fields, can realize that 256 grades of image gray show.
Beneficial effect of the present invention:
1, at first between the short path of 6 of second electrode 10 and scan electrodes, produces the discharge of subtend formula in the plasma display panel discharge cell of the present invention, then between first electrode pair 5,6, produce surface discharge, therefore, compare with existing subtend type discharge shadow mask plasma display panel, the low advantage of firing voltage that had both had the discharge of subtend formula, have the long advantage of discharge path of surface discharge again, luminous efficiency is improved, display brightness improves.
2, plasma display panel employing shadow mask of the present invention replaces the barrier in the existing surface-discharged plasma display plate, and it is simple to have manufacture craft, the advantage that cost is low.
Description of drawings
Fig. 1 is the structural representation of display panel of the present invention.
Fig. 2 is electrode of the present invention and shadow mask relative size relation and structural representation.
Fig. 3 is the encapsulating structure schematic diagram of display panel of the present invention.
Fig. 4 is centering type shadow mask hole discharge cell of the present invention and electrode structure schematic diagram.
Fig. 5 is the structural representation of the various shadow mask grid holes of the present invention.
Fig. 6 is that discharge cell fluorescent material of the present invention applies schematic diagram.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
Shown in Fig. 1～3,5
A kind of commingle discharging shadow mask type plasma display panel as shown in Figure 1, comprises prebasal plate 1, metacoxal plate 2, shadow mask 3, and wherein shadow mask 3 is positioned between the front-back baseboard 1,2.Described prebasal plate 1 mainly is made up of preceding substrate glass substrate 4, first electrode pair 5,6, dielectric layer 7, diaphragm 8; wherein first electrode pair 5,6 is arranged in parallel; be positioned on the preceding substrate glass substrate 4; electrode by Al or Ag electrode+transparent conductive film (ITO) formation; electrode 5 is called keeps electrode; electrode 6 is called scan electrode, dielectric layer 7 covers on first electrode pair 5,6, and 8 of diaphragms cover on the dielectric layer 7.Described metacoxal plate 2 mainly is made up of back substrate glass substrate 9, second electrode 10, dielectric layer 11, wherein second electrode 10 is positioned on the back substrate glass substrate 9, dielectric layer 11 covers on second electrode 10, second electrode 10 is commonly referred to row electrode group or addressing electrode, with first electrode pair 5 on the prebasal plate 1,6 one-tenth spatial vertical quadratures.
Described shadow mask 3 is one to comprise grid hole 12 and (can be infundibulate, shown in Fig. 3,6) conductive plate of array, its material can be coated with the nonmetallic materials of conductive material membrane for iron, iron containing alloy, other metal alloys or surface, its thickness d is 0.1～1.0mm, described grid hole 12 and prebasal plate 1 relative upper shed 13 areas are 10～20 times of relative under shed 14 areas of itself and metacoxal plate 2, and each grid hole 12 upper shed width 15 is 1～4 times of under shed width 16; The center of upper shed 13 and under shed 14 on perpendicular to the direction of mask surface on same straight line. First electrode pair 5,6 are and are arranged in parallel, corresponding to the surface location in the upper shed 13 of shadow mask 3 grid holes 12, in the scope of second electrode 10 corresponding to the under shed 14 of shadow mask 3 grid holes 12, the under shed width 16 of each grid hole 12 is 1～2 times of second electrode, 10 width 17, upper shed length 19 is 1.5～2 times of under shed length 18, first electrode pair 5,6 electrode width 20 is identical, upper shed length 19 is first electrode pairs 5,5～20 times of 6 electrode width 20, upper shed length 19 is 1.25～5 times of parallel distance 21, each grid hole 12 and first electrode pair 5,6 and second electrode 10 intersects vertically.As shown in Figure 2.
The operation principle of this plasma display panel is as follows: apply positive pulse Va at addressing electrode 10, consistent with the signal of display image, apply negative pulse Vc at scan electrode 6, make the firing voltage of Va+Vc greater than the unit, at first produce the discharge of subtend formula at addressing electrode 10 and scan electrode 6, the required wall electric charge of discharge is kept in accumulation, make this unit be in illuminating state simultaneously, apply the negative pulse Vs that keeps keeping electrode 5, select suitable voltage magnitude, make the discharge cell lighted at the wall electric charge with keep under the pulse acting in conjunction, at scan electrode 6 with keep 5 at electrode and produce the surface-type discharge, the state that always maintainings lights arrives up to erasing pulse.The particle concentration that long discharge path produces ionization increases, and produces more vacuum ultraviolet (VUV) optical excitation visible light, and its luminous efficiency is improved.The erase mode of discharge cell has multiple, and purpose is to eliminate the already present wall electric charge of discharge cell, makes it extinguish state keeping under the impulse action to be transferred to by illuminating state.As adopt burst pulse to wipe, and between twice discharge, apply positive narrow erasing pulse (about about 1 microsecond of pulse duration) at scan electrode 6, the wall electric charge of the discharge generation that it causes and the neutralization of original wall charge generation, thus discharge cell is extinguished.The high-voltage pulse that applies different sequential constitutes different driving methods.Plasma display panel of the present invention can adopt a son driving method of addressing and display separation (ADS), also can adopt Alternate Lighting of Surfaces (ALIS) driving method.For example adopt ADS driving method, in the preparatory stage, three of discharge cell electrodes ( electrode 5,6,10) are zero during beginning.To apply amplitude be V keeping electrode 5
Xw(V
XwFiring voltage V much larger than 5,6 at electrode
Fxy) full frame write pulse, make screen go up all unit and all be in same state, promptly extinguish state, on electrode 10, apply pulse V simultaneously
Aw(V
AwBe about V
Xw/ 2), make addressing electrode 10 not have the accumulation of wall electric charge substantially.Enter address period, electrode 5 making alive V
x Sequential scanning electrode 6, the electrode 6 that does not scan adds-V
Sc, and the electrode 6 of scanning adds-V
yMeanwhile, add addressing pulse V to lighting corresponding electrode 10 with needs
a, what do not need brightness then adds 0V.In the unit that will light, at first discharge between electrode 10 and electrode 6 causes in the discharge of electrode 5 and electrode 6, accumulates the wall electric charge simultaneously.For the unit that need not light, owing to there is not addressing pulse, do not produce discharge, there is not the accumulation of wall electric charge yet.In the phase of keeping, add V at addressing electrode 10
Aw, upper half electrode 5 adds 0V, and electrode 6 adds keeps pulse V
s, lower half electrode 5 adds V
s, electrode 6 adds keeps pulse 0V, under the wall charge effect, keeps discharge and carries out always, and discharge cell is in illuminating state, till needs are wiped.Like this display panel is lined by line scan, finish the demonstration of whole two field picture.Usually a two field picture is divided into the demonstration of plurality of sub field, all there are preparatory stage, address period in each son field and keep the phase, and the time ratio difference of the phase of keeping of each son field, with the realization gradation of image, as adopts 8 son fields, can realize that 256 grades of image gray show.
Embodiment two.
As shown in Figure 4.
In the foregoing description one, when the center of the under shed 14 of shadow mask grid hole 12 and the center of upper shed 13 are off-center arrangement in the direction along electrode 10, upper and lower opening is projected on the same plane that is parallel to mask surface, and center eccentric distance 25 is 0.1～0.4 times of upper shed length 19.In discharge cell, keep the under shed length 18 that electrode 6 departs from 0.1～0.4 times at grid hole 12 upper shed centers in first electrode pair, corresponding with the under shed center, make the arcing distance of the subtend formula discharge that at first between electrode 6 and electrode 10, produces shorter, firing voltage further reduces, the discharge cell schematic diagram as shown in Figure 4, this has just constituted second embodiment of the present invention group, operation principle is with first embodiment.
Embodiment three.
In the foregoing description one, 12 upper sheds of shadow mask grid hole are a kind of of arbitrary polygon structures such as strip, quadrangle, circle, trapezoidal, hexagon or octagon, under shed is a strip, arbitrary polygons such as quadrangle, circle, trapezoidal, hexagon or octagon a kind of, but under shed and upper shed concentric arrangement, also eccentric arrangement, but upper and lower opening structure combination in any.As Fig. 5, this has just constituted third embodiment of the present invention group, and operation principle is with first embodiment.
Embodiment four.
In the foregoing description one, two, three, monochromatic fluorescent material 24 is coated in the inwall of shadow mask grid hole 12 and fills with suitable working gas, the ultraviolet excitation ultraviolet fluorescence powder that makes it to produce respective wavelength sends monochromatic visible light, thereby realize that image shows, this has just constituted fourth embodiment of the present invention group, promptly monochromatic mixed type shadow mask plasma display panel.
In the foregoing description one to four, if the inwall at shadow mask grid hole 12 applies red, green, blue three primary colors ultraviolet excited fluorescence powder 24 successively, 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, can realize COLOUR IMAGE VISUALIZATION OF HE, this has just constituted the 5th kind of embodiment group, i.e. color mix type shadow mask plasma display panel of the present invention.
Present embodiment has only provided the concrete example application of part, but for the professional who is engaged in flat-panel monitor, also can design the various deformation product according to above enlightenment, and this still is considered to be covered by among the present invention.
Claims (6)
1. commingle discharging shadow mask type plasma display panel, comprise prebasal plate (1), metacoxal plate (2), shadow mask (3), wherein shadow mask (3) is encapsulated in front-back baseboard (1,2) between, described prebasal plate (1) is mainly by preceding substrate glass substrate (4), first electrode pair (5,6), dielectric layer (7), diaphragm (8) are formed, first electrode pair (5 wherein, 6) be parallel on the preceding substrate glass substrate (4), dielectric layer (7) covers first electrode pair (5,6) on, diaphragm (8) then covers on the dielectric layer (7); Described metacoxal plate (2) is mainly by back substrate glass substrate (9), second electrode (10), dielectric layer (11) is formed, wherein second electrode (10) is positioned on the back substrate glass substrate (9), dielectric layer (11) covers on second electrode (10), first electrode pair (5 on second electrode (10) and the prebasal plate (1), 6) become the spatial vertical quadrature, it is characterized in that described shadow mask (3) is that a thickness d is the conductive plate that comprises infundibulate grid hole (12) array of 0.1～1.0mm, described infundibulate grid hole (12) and prebasal plate 1 relative upper shed (13) area is 10～20 times of its under shed (14) area relative with metacoxal plate (2), and each infundibulate grid hole (12) upper shed width (15) is 2～4 times of under shed width (16); First electrode pair (5,6) be and be arranged in parallel, corresponding with the upper shed (13) of infundibulate grid hole (12) on the shadow mask (3) respectively, the under shed (14) of the infundibulate grid hole (12) on second electrode (10) and the shadow mask (3) is corresponding, the under shed width (16) of each grid hole (12) is 1～2 times of second electrode (10) width (17), upper shed length (19) is 1.5～2.0 times of under shed length (18), first electrode pair (5,6) electrode width (20) is identical, upper shed length (19) is first electrode pair (5,6) 5～20 times of electrode width (20), upper shed length (19) is first electrode pair (5,6) 1.25～5 times of the parallel distance between (21), described shadow mask (3), first electrode pair (5,6) form the elementary cell that medium blocking type exchanges the commingle discharging type with second electrode (10), in this elementary cell, be provided with the visible light light-emitting zone.
2. commingle discharging shadow mask type plasma display panel according to claim 1, a kind of in strip, quadrangle, circle, trapezoidal, hexagon or the octagon of the upper shed (13) that it is characterized in that the infundibulate grid hole (12) on the shadow mask (3), under shed (14) is a kind of in strip, quadrangle, circle, trapezoidal, hexagon or the octagon, and the upper and lower opening center can be on the same straight line perpendicular to mask surface, or arranges with eccentric manner at length direction.
3. commingle discharging shadow mask type plasma display panel according to claim 1 and 2 is characterized in that exchanging the fluorescent material (24) that the visible light light-emitting zone of the elementary cell of commingle discharging type applies at medium blocking type is monochromatic fluorescent material.
4. commingle discharging shadow mask type plasma display panel according to claim 1 and 2 is characterized in that exchanging the fluorescent material (24) that the visible light light-emitting zone of the elementary cell of commingle discharging type applies at medium blocking type is three primary colors fluorescent powder.
5. commingle discharging shadow mask type plasma display panel according to claim 1 is characterized in that described shadow mask (3) material therefor is the nonmetallic materials that iron, iron containing alloy, other metal alloys or surface are coated with conductive material membrane.
6. the driving method of the described commingle discharging shadow mask type plasma display panel of claim 1, it is characterized in that: apply positive pulse Va at addressing electrode (10), and it is consistent with the signal of display image, apply negative pulse Vc at scan electrode (6), make the firing voltage of Va+Vc greater than the unit, at first produce the discharge of subtend formula at addressing electrode (10) and scan electrode (6), the required wall electric charge of discharge is kept in accumulation, make this unit be in illuminating state simultaneously, apply the negative pulse Vs that keeps keeping electrode 5, select suitable voltage magnitude, make the discharge cell lighted at the wall electric charge with keep under the pulse acting in conjunction, at scan electrode (6) with keep between electrode (5) and to produce the surface-type discharge, state maintainings lights always, arrive up to erasing pulse, the erase mode of discharge cell adopts burst pulse to wipe, promptly between twice discharge, apply positive narrow erasing pulse at scan electrode (6), about about 1 microsecond of pulse duration, the wall electric charge of the discharge generation that it causes and the neutralization of original wall charge generation, thereby discharge cell is extinguished, the high-voltage pulse that applies different sequential constitutes different driving methods, when adopting ADS to drive method, in the preparatory stage, three of discharge cell electrodes (5,6 during beginning, 10) being zero, is V keeping electrode (5) amplitude of applying
Xw, V
XwMuch larger than the firing voltage between electrode (5,6), V
FxyFull frame write pulse, make screen go up all unit and all be in same state, promptly extinguish state, on electrode (10), apply pulse V simultaneously
Aw, V
AwBe about V
Xw/ 2, make addressing electrode (10) not have the accumulation of wall electric charge substantially; Enter address period, electrode (5) making alive V
xSequential scanning electrode (6), the electrode that does not scan (6) adds-V
ScAnd the electrode (6) of scanning adds-V
yMeanwhile, add addressing pulse V to lighting corresponding electrode (10) with needs
a, what do not need brightness then adds 0V; In the unit that will light, at first discharge between electrode (10) and electrode (6) causes the discharge of electrode (5) and electrode (6), accumulates the wall electric charge simultaneously; For the unit that need not light, owing to there is not addressing pulse, do not produce discharge, there is not the accumulation of wall electric charge yet; In the phase of keeping, on addressing electrode (10), add V
Aw, upper half electrode (5) adds 0V, electrode (6) adds keeps pulse V
s, lower half electrode (5) adds V
s, electrode (6) adds keeps pulse 0V, under the wall charge effect, keeps discharge and carries out always, and discharge cell is in illuminating state, till needs are wiped; Like this display panel is lined by line scan, finish the demonstration of whole two field picture.
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| CNA2007101904728A CN101202192A (en) | 2007-11-30 | 2007-11-30 | Commingle discharging shadow mask type plasma display panel and driving method thereof |
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| CNA2007101904728A CN101202192A (en) | 2007-11-30 | 2007-11-30 | Commingle discharging shadow mask type plasma display panel and driving method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152661A1 (en) * | 2008-06-20 | 2009-12-23 | 南京华显高科有限公司 | A plasma display panel |
| CN101847555A (en) * | 2010-03-31 | 2010-09-29 | 东南大学 | Flexible shadow mask plasma display panel |
| CN101853627A (en) * | 2010-05-19 | 2010-10-06 | 东南大学 | Shadow mask type plasma display driving method |
-
2007
- 2007-11-30 CN CNA2007101904728A patent/CN101202192A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152661A1 (en) * | 2008-06-20 | 2009-12-23 | 南京华显高科有限公司 | A plasma display panel |
| CN101847555A (en) * | 2010-03-31 | 2010-09-29 | 东南大学 | Flexible shadow mask plasma display panel |
| CN101853627A (en) * | 2010-05-19 | 2010-10-06 | 东南大学 | Shadow mask type plasma display driving method |
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Open date: 20080618 |