CN102157129A - Drive method of plasma display panel and display device thereof - Google Patents
Drive method of plasma display panel and display device thereof Download PDFInfo
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- CN102157129A CN102157129A CN2011100931796A CN201110093179A CN102157129A CN 102157129 A CN102157129 A CN 102157129A CN 2011100931796 A CN2011100931796 A CN 2011100931796A CN 201110093179 A CN201110093179 A CN 201110093179A CN 102157129 A CN102157129 A CN 102157129A
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Abstract
A display device (1) comprising a surface discharge plasma display panel (2) performs addressing for forming such a state in which wall charges required for lighting a cell to be lighted are stored, sustain for generating a discharge between a first electrode (X) and a second electrode (Y) of the cell to be lighted, and reset for forming such a state where the wall charges are initialized in all cells. An address discharge in the form of counter discharge using the second electrode (Y) as a cathode is generated between the second electrode (Y) and the third electrode (A) of a cell to be lighted or a cell not to be lighted at the time of addressing. At the time of reset, a dull wave pulse (Pr1) of negative polarity is applied to the second electrode (Y), thereby generating a charge regulation discharge starting from a counter discharge using the second electrode (Y) as a cathode between the second electrode (Y) and the third electrode (A).
Description
This case be that January 17, application number in 2006 are 200680038811.4 the applying date, denomination of invention divides an application for the patented claim of " driving method of plasma display panel and display device ".
Technical field
The present invention relates to the driving method of plasma display panel of surface discharge type and the display device of this method of use.
Background technology
In the demonstration of chromatic image, use the AC plasma display of surface discharge type.Here said surface discharge type is meant to be arranged in parallel on substrate in front or the back substrate to be useful on and produces first electrode and second electrode that shows discharge, and is arranged with the form of third electrode in the mode with first electrode and second electrode crossing.Show that discharge is the discharge of decision as the luminous quantity of the unit of display element.Generally, first electrode and second electrode are the column electrodes of delimiting the row (row) of matrix demonstration, and third electrode is the row electrode of delimiting row (column).And a side of first electrode and second electrode (being second electrode in this manual) is as be used for the scan electrode use that row is selected in addressing.
Typical face discharge AC type plasma display panel has unit structure as shown in Figure 1.In Fig. 1, depict comprise with 2 row in the part of corresponding 6 unit of 3 row, for the easy to understand internal structure front panel 10 is separated with backplate 20.
Plasma display is made of front panel 10 and backplate 20 and not shown discharge gas.Front panel 10 comprises: glass substrate 11, the first column electrode X, the second column electrode Y, dielectric film 17 and diaphragm 18.Column electrode X and column electrode Y are respectively the laminated body of the nesa coating 14 and the metal film 15 of patterning.Backplate 20 comprises glass substrate 21, row electrode A, dielectric film 22, a plurality of next door 23, red (R) fluorophor 24, green (G) fluorophor 25 and blue (B) fluorophor 26.
Column electrode X and column electrode Y alternately are arranged in the inner face of glass substrate 11 as the show electrode of generation face discharge, are covered by dielectric film 17 and diaphragm 18.Dielectric film 17 is key elements essential in the AC plasma display.By cover, can utilize the wall electric charge generation face discharge repeatedly that is accumulated in dielectric film 17 by dielectric film 17.Diaphragm 18 is made of the big material (being generally magnesium oxide) of anti-sputter (パ of anti-ス Star タ) excellence and secondary electron yield, has to prevent the sputter of dielectric film 17 and reduce the function of the beginning voltage that shows discharge.
In the demonstration of plasma display, for color rendering is carried out in the control of lighting by two-value, as shown in Figure 2 will be as the seasonal effect in time series frame F of input picture
K-2, F
K-1, F
k, F
K+1(below, the subscript of expression input sequence is omitted) is divided into the subframe SF of defined amount N
1, SF
2, SF
3, SF
4... SF
N-1, SF
N(below, the subscript of expression DISPLAY ORDER is omitted).That is, each frame F is replaced into the set of N subframe SF.Give these subframes SF successively with W
1, W
2, W
3, W
4... W
N-1, W
NLuminance weights.These luminance weights W
1, W
2, W
3, W
4... W
N-1, W
NStipulate the number of times of the demonstration discharge of each subframe SF.In conjunction with such frame structure will as frame pass on Tf image duration in cycle be divided into N sub-image duration Tsf, and will distribute to each subframe SF during the subframe (サ Block Off レ one system).And, will be divided into during the subframe: be used for the initialization (resetting) of wall electric charge reseting period, be used for during the address of the wall electric charge corresponding control (addressing) with video data and be used to produce keep keeping of (sustain) with lighting of discharging of the demonstration of the corresponding number of times of the brightness that should show during.In N subframe SF, the order during reseting period, the address, during keeping is common.Each subframe is carried out initialization, the addressing of wall electric charge and kept.
Wherein, in the staggered scanning (interlace) that frame is divided into a plurality of (Off イ one Le De) as TV shows showed, Jiang Gechang was replaced into a plurality of sons field.In this case, also " frame " can be changed and read to be " field ", " subframe " be changed read to be " son field ".In addition, also picture can be divided into a plurality of parts, each part resets independently, addressing and keeping.
Technical literature formerly as relating to this driving order has TOHKEMY 2004-302134 communique.In this communique, disclose typical drive waveforms.This drive waveforms is shown in Fig. 3.
In Fig. 3, the blanket face of land is shown with the waveform of relative column electrode X and row electrode A, and expression has the column electrode Y (1) of relative top row and the waveform of the final column electrode Y (n) that goes.
In reseting period, carry out so-called blunt ripple and reset.It is to produce faint discharge continuously, the operation that the wall quantity of electric charge is adjusted thus by applying the representational blunt wave impulse in the waveform pulse of slope (ramp) that blunt ripple resets.The principle that blunt ripple resets has detailed explanation in No. 5745086 communiques of United States Patent (USP).Illustrative blunt ripple resets and carries out applying of 2 blunt wave impulses.Before the applying of primary blunt wave impulse reduces lighting unit and before extinguish the poor of wall voltage between the unit.The wall voltage that makes whole unit that applies of secondary blunt wave impulse is a setting value.At this, preceding lighting unit is the unit of lighting in the previous subframe of the subframe of being paid close attention to, and the preceding unit that extinguishes is preceding lighting unit unit in addition.
During the address, column electrode Y is applied scanning impulse successively one by one.That is, go selection.Select synchronously with row, with select row in the corresponding row electrode A in the unit that should light on apply address pulse.Produce the address discharge in the unit of selecting by column electrode Y and row electrode A that should light, form the wall electric charge of regulation.
During keeping, on column electrode Y and column electrode X, alternately apply and keep pulse.Apply between the column electrode of the unit that Shi Zaiying lights (below, be referred to as between the XY electrode) produces and shows discharge at every turn.
Below, further to describing with deep relevant the resetting of the present invention.
As shown in Figure 3, apply in the resetting of twice blunt wave impulse, preferably make being combined as of form of 2 discharges produce the combination that symmetry is discharged, be i.e. face discharge face discharge or the discharge of subtend discharge subtend in each unit.The face discharge is the discharge along real estate in the one-sided generation of discharge gas space.In the unit structure of Fig. 1, the generation face discharge by between the XY electrode, applying voltage.The subtend discharge is in the discharge that clips the plate thickness direction that produces between the electrode of discharge gas space.By applying the voltage of regulation and produce the subtend discharge (below, be referred to as between the AY electrode) between the electrode of row electrode A and column electrode Y or (below, be referred to as between the AX electrode) between the electrode of row electrode A and column electrode X.
But in the combination of subtend discharge subtend discharge, for the first time or secondary arbitrarily once in the discharge, the row electrode is a negative electrode.Because the value of the secondary electron yield γ of the fluorophor of covered cathode is littler than the secondary electron yield of the diaphragm that covers anode, so few based on the electronics quantity delivered of fluorophor.Therefore, the row electrode is the easy instability of subtend discharge of negative electrode.
Thereby,, promptly carry out the mode that resets of the combination of face discharge face discharge and set according to the mode of the discharge of echoing respectively with applying of 2 blunt wave impulses at the driving voltage of the reseting period of Fig. 3 from face discharge beginning.Because produce (priming) particle of igniting in discharge gas space, so cause the subtend discharge easily by the face discharge.Begin the compound discharge that the face of transferring to discharges and subtend is discharged from the face discharge, still do not produce subtend discharge ground end and discharge, depend on the setting of driving voltage.
The purpose that applies blunt wave impulse is to produce the faint discharge that makes wall quantity of electric charge smooth variation.At this, be that example exemplifies with slope ripple as representational blunt ripple, as long as the degree of tilt of slope ripple more then causes producing strong discharge, the wall quantity of electric charge can not be adjusted into desired value.On the other hand, if make the degree of tilt of slope ripple enough mild, though can produce faint discharge, because of the pulse width of the blunt wave impulse that must extend in order to make the wall quantity of electric charge be changed to desired value, so the required time that resets prolongs.If reseting period is elongated, then can distribute to the time of keeping to shorten.Thus, the brightness of demonstration reduces.
[patent documentation 1] Jap.P. spy opens the 2004-302134 communique
Summary of the invention
The present invention proposes in view of this problem, and purpose is to shorten the used time as the adjustment of the wall quantity of electric charge of the pre-treatment of addressing.
The plasma display that is suitable for the driving method of reaching above-mentioned purpose comprises: first substrate and second substrate of clamping discharge gas space; Be arranged in first electrode and second electrode on above-mentioned first substrate; First insulator between above-mentioned first electrode and above-mentioned second electrode and above-mentioned discharge gas space; Be arranged in the third electrode on above-mentioned second substrate; And second insulator between above-mentioned third electrode and above-mentioned discharge gas space, and above-mentioned first insulator is launched secondary electron easily than above-mentioned second insulator.
To having the plasma display of this typical structure, the degree of tilt (rate of change of voltage) of slope wave impulse is changed to produce the experiment of discharge, distinguish the tendency of (1) and (2) below in discharging action, existing thus.
(1) with from the situation of face discharge beginning compares, even also be difficult to produce strong discharge suddenly in degree of tilt under the situation of subtend discharge beginning.
(2) even under the situation of face discharge beginning, the situation that first electrode or second electrode is applied the slope wave impulse of positive polarity is compared with the situation of the slope wave impulse that applies negative polarity, also is difficult to produce strong discharge.
Particularly, be that negative polarity slope wave impulse below the 1V/ μ s can produce from the plasma display of the desired faint discharge of face discharge beginning for example, be limited to 3V/ μ s by what the wave impulse of positive polarity slope produced degree of tilt under the situation of the faint discharge of face discharge beginning by applying degree of tilt.And in this plasma display panel, what produce degree of tilt under the situation of the faint discharge of subtend discharge beginning is limited to 5V/ μ s.
About the tendency of (1) because near for from electrode gap of face discharge to distant place expansion, so can think away from the position of electrode gap the wall electric charge before the residual adjustment bring out strong discharge.Relative therewith, because subtend discharge produces equably in the relative zone of electrode, so be difficult to produce the deviation of the adjustment of wall electric charge.Therefore, can think and in subtend discharge, be difficult to produce strong discharge.
Tendency about (2), in the applying of the slope of positive polarity wave impulse, the current potential of relative first electrode or second electrode, the current potential of third electrode is a negative polarity, in this electric potential relation, few from the secondary electron of the emission of second insulator between third electrode and discharge gas space, therefore can think to be difficult to produce strong discharge.
According to this tendency, be adjusted at the shorter time end in order to make desired electric charge based on faint discharge, produce from the faint discharge of subtend discharge beginning more favourable.In addition, when needs produced faint discharge from face discharge beginning, it was more favourable producing this discharge by the blunt wave impulse that applies positive polarity on first electrode or second electrode.
The driving method of reaching above-mentioned purpose is to carry out: form in the unit that should light and accumulate the addressing that the state of lighting necessary wall electric charge is arranged; Make and produce keeping of discharge between first electrode in the unit that should light and second electrode; Resetting of the state that is initialised with the wall electric charge that forms first insulator in whole unit.In above-mentioned addressing, in the unit that should light or be not the address discharge of the subtend discharge type that to produce with this second electrode between second electrode of the unit that should light and the third electrode be negative electrode, in above-mentioned resetting, on above-mentioned second electrode, apply the blunt wave impulse of negative polarity, produce the electric charge adjustment discharge that begins from the discharge between above-mentioned second electrode and the above-mentioned third electrode thus with this second electrode subtend discharge type that is negative electrode.
Description of drawings
Fig. 1 is the exploded perspective view of the unit structure of the typical plasma display of expression.
Fig. 2 is the figure that expression is used to reproduce the example that the frame of gray shade scale cuts apart.
Fig. 3 is the driving voltage waveform figure that expression comprises the existing driving order that resets.
Fig. 4 is the key diagram of the material particular that resets of the present invention.
Fig. 5 is the drive waveforms figure that resets of embodiment 1.
Fig. 6 is the drive waveforms figure that resets of embodiment 2.
Fig. 7 is the key diagram that resets of embodiment 2.
Fig. 8 is the drive waveforms figure that resets of embodiment 3.
Fig. 9 is the drive waveforms figure that resets of embodiment 4.
Figure 10 is the figure of the effect of expression embodiment 4.
Figure 11 is the figure of the structure of expression display device of the present invention.
Embodiment
Preference of the present invention is a typical three-electrode surface discharge type plasma display shown in Figure 1.But, be not limited to three electrode structures, also driving method of the present invention can be applicable to other surface discharge type plasma display panels that comprise 4 electrode structures with first, second and the third line electrode.
In addition, the driving order that as shown in Figure 2 frame F is replaced into the method for a plurality of subframe SF and carries out resetting as shown in Figure 3, addressing repeatedly and keep is removed beyond the setting of drive waveforms of reseting period, also is applicable to driving method of the present invention.
In the following description, exemplify the plasma display panel driving of Fig. 1.The key element of the plasma display of textural element of the present invention and Fig. 1 to should look like this.
First substrate is corresponding with glass substrate 11, and second substrate is corresponding with glass substrate 21.First electrode is corresponding with column electrode X, and second electrode is corresponding with column electrode Y, and third electrode is corresponding with the row electrode A.First insulator is corresponding with diaphragm 18, and second insulator is corresponding with fluorophor 24,25,26.
With reference to Fig. 3, use column electrode Y and row electrode A in the selection of the unit during the address, must discharge for subtend so be used for the address discharge of addressing.And this subtend discharge is to be the discharge of negative electrode with column electrode Y.This is because if column electrode Y is a negative electrode, and then the secondary effect of diaphragm 18 has contribution to discharge.In order to carry out the addressing of line preface at high speed, producing with column electrode Y is that the subtend discharge of negative electrode is comparatively favourable.
Be to eliminate 2 value set conditions of the wall quantity of electric charge that forms in the former addressing as the purpose that resets of the pre-treatment of addressing, and in ensuing addressing, can optimize the wall quantity of electric charge of whole unit in the mode that causes the address discharge easily.For cause address discharge easily, need make before being right after during the address discharge for the discharge of address discharge identical polar.Because in addressing, the scanning impulse that is applied to column electrode Y is a negative polarity, so the final discharge of reseting period is for being the discharge of negative electrode with column electrode Y.And preferably this final discharge is for critically adjusting the wall electric charge and from the discharge of subtend discharge beginning.
Utilize the cell voltage plane more specifically present embodiment to be described below.
The action of the plasma display of three electrode structures can be used cell voltage plane and discharge beginning threshold value closed curve as disclosed in the above-mentioned document, resolve in geometric mode.The interelectrode cell voltage of XY is got for transverse axis as shown in Figure 4 in cell voltage used herein plane, and the longitudinal axis is got the normal coordinates plane of the interelectrode cell voltage of AY.By measure XY, AY respectively, three interelectrode discharges of AX begin threshold value (Vt), the measured value that obtains be plotted on the cell voltage plane and realize specializing of discharge beginning threshold value closed curve (hereinafter referred to as the Vt closed curve).Vt is the minimum voltage that causes faint discharge.In the mensuration of certain interelectrode Vt, little by little change two other interelectrode cell voltage.Mensuration can be survey also can be the simulation.Textual representation respective electrode in the bracket among Fig. 4.The letter representation anode of front, the letter representation negative electrode of back.
As being the discharge of negative electrode, comprise as the A-Y discharge of subtend discharge and the X-Y discharge of discharging as face with column electrode Y.In " A-Y discharge " here, the statement of " X-Y discharge ", the capitalization of "-" front (A or X) expression anode, the capitalization of back (Y) expression negative electrode.Below, it is Vt (XY) that the discharge that X-Y is discharged begins threshold value, it is Vt (AY) that the discharge of A-Y discharge begins threshold value.In addition, for simplicity, will between certain electrode and reference potential line (line), apply voltage and show as " applying voltage on the electrode " or " on electrode, applying pulse ".About the polarity of blunt wave impulse, the polarity that electrode potential is descended is called negative polarity, the polarity that electrode potential is risen is called positive polarity.
For causing that with column electrode Y be the discharge of negative electrode applies negative polarity to column electrode Y blunt wave impulse, thus, feasible current potential with respect to column electrode Y, the current potential of the current potential of column electrode X and row electrode A equally relatively rises, therefore among Fig. 4 shown in thick arrow, in the cell voltage plane with the vector representation of slope 1.Under this vector and situation that the line of the some a, the b that are connected the Vt closed curve intersects, produce the A-Y discharge at first, under the situation that the line with tie point a, f intersects, produce X-Y at first and discharge.Therefore, from the condition of subtend discharge beginning be: the position of the cell voltage before the blunt wave impulse of negative polarity applies is in the inboard of Vt closed curve, and is present in than the straight line of the slope 1 by some a more by the zone on top the zone of band oblique line (in the Fig. 4 for).
Wherein, in Fig. 5, column electrode X applied that to keep pulse Ps be last operation during keeping, but can keep pulse Ps and regard last operation during keeping as column electrode Y is applied, only with the operation of regarding reseting period as that applies of the blunt wave impulse Pr1 of negative polarity.
According to embodiment, can more positively produce from the electric charge adjustment discharge of subtend discharge beginning.This is because the biasing by column electrode X, can be as shown in Figure 7, and the starting point of the vector of the slope (Pour I) 1 corresponding with the blunt wave impulse Pr1 of negative polarity is moved to left (minus side of transverse axis) from the initial point on cell voltage plane.Further be explained.
Because form the wall electric charge that elimination applies voltage, so the state in the moment of Y-X discharge end is corresponding with the initial point on cell voltage plane in ideal conditions with the Y-X discharge of keeping pulse Ps concord.But in fact how much there is error, the situation of this state to the right-hand skew of initial point arranged.In this case, shown in dotted arrow among Fig. 7, the vector of slope 1 might intersect with the line of tie point a, f.The starting point of the vector by making slope 1 moves to left, and vector and the line of tie point a, b are intersected.And, even be present at an a under the situation in left side of the straight line (dot-and-dash line of Fig. 7) by the slope 1 of initial point, move to left by the starting point that makes vector, also can produce from the electric charge adjustment discharge of subtend discharge beginning.
That is, in embodiment 2, wide for the irregular allowed band of the location mode that applies the zero hour (starting point of vector) of the blunt wave impulse Pr1 of negative polarity and Vt closed curve.
Wall state of charge before the applying of the blunt wave impulse Pr1 that is right after reseting period is uncertain, when the wall quantity of electric charge when perhaps finishing during keeping is too much or very few, need produces before the applying of blunt wave impulse Pr1 and is used for the discharge that electric charge is adjusted.In this discharge, column electrode Y is necessary for anode.As mentioned above, so column electrode Y is that the subtend discharge of anode is because secondary is few unstable.Therefore, generation face discharge before the applying of blunt wave impulse Pr1.
Because the blunt wave impulse Pr2 of generation face discharge is a positive polarity, so compare degree of tilt (Pour I for the situation of negative polarity with it) more also it doesn't matter.But, must make and preceding extinguish not generation face discharge in the unit.Set the waveform (comprising degree of tilt, pulse height) of blunt wave impulse Pr2, make it satisfy this restriction.This is because under the situation that the process that only applies by two blunt wave impulses constitutes homing action, the combination of discharge of demand side discharge-face or the discharge of subtend discharge-subtend, and the driving of the combination of face discharge-subtend discharge is unsettled in proper order repeatedly.For example, under the situation of the unit of not lighting certain subframe, do not produce yet and show discharge, so in the reseting period of the reseting period of this subframe and next subframe, continue the discharging action of the combination that face discharge-subtend discharges because neither produce address discharge.Under the situation that the unit is lighted because show that discharging action is between resetting and between the next one resets, so no problem.If extinguish generation face discharge in the unit before not making in reseting period, then the discharging action of the combination of face discharge-subtend discharge can not continue.
Embodiment 4
Embodiment 4 is the examples as homing action of applying that carry out 3 blunt wave impulses.Be not that each unit is accepted under the situation of the state that resets like that after just feeding power supply, need produce before the face discharge of the foregoing description 3 and make column electrode X is that the electric charge adjustment of anode is discharged.As shown in Figure 9, identical with embodiment 3, before applying the blunt wave impulse Pr1 of negative polarity, apply blunt wave impulse Pr5, square wave bias pulse Pr6 and the square wave bias pulse Pr7 of positive polarity earlier.But, in the present example, the current potential of column electrode X is risen.Before the applying of the blunt wave impulse Pr1 of negative polarity, on column electrode X, apply earlier the blunt wave impulse Pr8 of positive polarity.Because the discharge beginning so blunt wave impulse Pr8 is overlapped in the square wave bias pulse Pr9 of positive polarity, further applies the square wave bias pulse Pr10 of negative polarity period ahead of time on column electrode Y.By applying of blunt wave impulse Pr8, produce X-Y discharge as the face discharge.Because blunt wave impulse Pr8 is a positive polarity, so compare for the situation of negative polarity with it, more also it doesn't matter for degree of tilt.
The background luminescence brightness of expression embodiment 4 and the relation of address discharge delay in Figure 10.Existing situation about resetting shown in Figure 3 is carried out in white circle expression among the figure, the situation about resetting of black circle expression carrying out present embodiment 4.Background luminescence brightness exists with ... the intensity of the discharge of reseting period, and the intensity of the discharge of reseting period overall background luminosity more is high more.On the basis of improving the contrast of display degree, the preferred background luminosity is low.The address discharge delay is the time till the beginning of discharging from the leading edge of scanning impulse and address pulse to the address.If the pulse width that discharge delay is longer than scanning impulse and address pulse does not then produce the address discharge, display defect takes place.At the high speed of seeking addressing be scanning impulse and address pulse pulse width shortening aspect, the preferred address discharge delay is short.As general tendency, the high more then address of background luminescence brightness discharge delay is short more.
As can be seen from Figure 10, embodiment 4 reset effective to shortening the address discharge delay.For example, be under 1.0 the situation, to compare the high speed that to realize about 200ns in background luminescence brightness with existing resetting.In addition, if change viewpoint, then embodiment 4 reset effective to reducing background luminescence brightness.For example, be under the situation of about 1.1 μ s in the address discharge delay, background luminescence brightness can be reduced to about 1/3.
Above embodiment 1～4 can be implemented in the display device of structure shown in Figure 11.
In Figure 11, display device 1 is made of the plasma display 2 with three-electrode surface discharge AC type that can colored picture displayed 16, the driving circuit 3 that drives plasma display 2.
The picture 16 of plasma display 2 is the set with unit of structure shown in Figure 1.In this picture 16, the first column electrode X and the second column electrode Y alternately arrange, and are arranged with the row electrode A.Column electrode X and column electrode Y are configured for producing the electrode pair of keeping discharge of face discharge type in each row of picture 16.The row electrode A is intersected with column electrode X and column electrode Y in belonging to each unit of its row that dispose.Wherein, in enforcement of the present invention, column electrode be arranged as widely known to any of dual mode get final product.A kind of is as shown in Figure 1, and the electrode gap in the ranks that makes adjacency is than the wideer mode of each capable electrode gap (face striation in discharge).Another kind is the mode that whole column electrode gaps is equated.
Driving circuit 3 comprises: at the X driver 91 that applies driving voltage on the column electrode X, at the controller that applies 95 and the power circuit 96 of the driving voltage of the Y driver 92 that applies driving voltage on the column electrode Y, the A driver 93 that applies driving voltage on the row electrode A, control article on plasma body display panel 1.
X driver 91 has the circuit 922 that applies the circuit 911 of keeping pulse and apply the pulse that is used to reset.Y driver 92 has the circuit 921 that applies scanning impulse, applies the circuit 922 of keeping pulse and the circuit 923 that applies the pulse that is used to reset.
In the above embodiment, waveform, voltage, driving order, apparatus structure etc. can suitably change in following the scope of purport of the present invention.For example, interimly after just feeding power supply and during the setting of predetermined distance carry out resetting of embodiment 4, what can make other is reset to any of embodiment 1～3.
Utilizability on the industry
The public such as television set, advertisement or guidance information that the present invention can be used in display, the plane type of the information processing equipment such as personal computer or work station show the display unit of the plasma display that comprises surface discharge type of display of usefulness etc.
Claims (3)
1. driving method of plasma display panel, it is the driving method of plasma display panel with unit of face discharge structure, this driving method is characterised in that:
Described plasma display comprises: first substrate and second substrate of clamping discharge gas space; Be arranged in column electrode X and column electrode Y on described first substrate; First insulator between described column electrode X and described column electrode Y and described discharge gas space; Be arranged in the row electrode A on described second substrate; And second insulator between described row electrode A and described discharge gas space, and described first insulator launches secondary electron easily than described second insulator,
This driving method carries out: form in the unit that should light and accumulate the addressing that the state of lighting necessary wall electric charge is arranged; Make and produce keeping of discharge between column electrode X in the unit that should light and the column electrode Y; Resetting of the state that is initialised with the wall electric charge that forms first insulator in whole unit,
In described addressing, in the unit that should light or be not that to produce with this column electrode Y between the column electrode Y of the unit that should light and the row electrode A be the address discharge of the subtend discharge type of negative electrode,
In described resetting, putting on second voltage lower under the state of described first electrode than first voltage that puts on described third electrode, on described column electrode Y, apply the blunt wave impulse of positive polarity, between described column electrode X and described column electrode Y, produce the discharge make the face discharge type that extinguishing in the last subframe do not discharge the unit thus, on described column electrode Y, apply the blunt wave impulse of negative polarity afterwards, make thus from being that the electric charge that the discharge of the subtend discharge type of negative electrode begins is adjusted discharge generation with this column electrode Y between described column electrode Y and the described row electrode A.
2. driving method of plasma display panel as claimed in claim 1 is characterized in that:
In described resetting, before the discharge generation that makes described discharge type, described column electrode X is applied the blunt wave impulse of positive polarity, between described column electrode X and described column electrode Y, produce the discharge of face discharge type thus.
3. display device, it comprises the plasma display of the unit with face discharge structure and drives described plasma display panel driving circuit, and carries out: form in the unit that should light and accumulate the addressing that the state of lighting necessary wall electric charge is arranged; Make and produce keeping of discharge between column electrode X in the unit that should light and the column electrode Y; Resetting of the state that is initialised with the wall electric charge that forms first insulator in whole unit, this display device is characterised in that:
Described plasma display comprises: first substrate and second substrate of clamping discharge gas space; Be arranged in column electrode X and column electrode Y on described first substrate; First insulator between described column electrode X and described column electrode Y and described discharge gas space; Be arranged in the row electrode A on described second substrate; And second insulator between described row electrode A and described discharge gas space, and described first insulator launches secondary electron easily than described second insulator,
Described driving circuit is in described addressing, in the unit that should light or be not that to produce with this column electrode Y between the column electrode Y of the unit that should light and the row electrode A be the address discharge of the subtend discharge type of negative electrode; In described resetting, putting on second voltage lower under the state of described first electrode than first voltage that puts on described third electrode, on described column electrode Y, apply the blunt wave impulse of positive polarity, between described column electrode X and described column electrode Y, produce the discharge make the face discharge type that extinguishing in the last subframe do not discharge the unit thus, on described column electrode Y, apply the blunt wave impulse of negative polarity afterwards, make thus from being that the electric charge that the discharge of the subtend discharge type of negative electrode begins is adjusted discharge generation with this column electrode Y between described column electrode Y and the described row electrode A.
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| CN2011100931796A CN102157129A (en) | 2006-01-17 | 2006-01-17 | Drive method of plasma display panel and display device thereof |
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| CN2011100931796A CN102157129A (en) | 2006-01-17 | 2006-01-17 | Drive method of plasma display panel and display device thereof |
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| CN2006800388114A Division CN101292275B (en) | 2006-01-17 | 2006-01-17 | Driving method and displaying device for plasma display panel |
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| CN1462052A (en) * | 2002-05-30 | 2003-12-17 | 富士通株式会社 | Plasma display device and method for setting driving operation |
| CN1482590A (en) * | 2002-08-13 | 2004-03-17 | 富士通株式会社 | Method for driving plasma display panel |
| US20050225513A1 (en) * | 2004-04-02 | 2005-10-13 | Lg Electronics Inc. | Plasma display device and method of driving the same |
| KR20050118084A (en) * | 2004-04-02 | 2005-12-15 | 엘지전자 주식회사 | Plasma display and driving method thereof |
-
2006
- 2006-01-17 CN CN2011100931796A patent/CN102157129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462052A (en) * | 2002-05-30 | 2003-12-17 | 富士通株式会社 | Plasma display device and method for setting driving operation |
| CN1482590A (en) * | 2002-08-13 | 2004-03-17 | 富士通株式会社 | Method for driving plasma display panel |
| US20050225513A1 (en) * | 2004-04-02 | 2005-10-13 | Lg Electronics Inc. | Plasma display device and method of driving the same |
| KR20050118084A (en) * | 2004-04-02 | 2005-12-15 | 엘지전자 주식회사 | Plasma display and driving method thereof |
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