CN1716505A - Plasma display panel - Google Patents
Plasma display panel Download PDFInfo
- Publication number
- CN1716505A CN1716505A CNA2005100896941A CN200510089694A CN1716505A CN 1716505 A CN1716505 A CN 1716505A CN A2005100896941 A CNA2005100896941 A CN A2005100896941A CN 200510089694 A CN200510089694 A CN 200510089694A CN 1716505 A CN1716505 A CN 1716505A
- Authority
- CN
- China
- Prior art keywords
- voltage
- discharge
- pulse
- pdp
- scanning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
The present invention discloses a plasma display panel (PDP). The PDP comprises a first base plate, a second base plate opposite to the first base plate, a barrier rib which divides a discharge unit together with the first base plate and the second base plate and is made from dielectric material, a common addressing electrode wire which is embedded into the barrier rib to surround the discharge unit and is extended across the discharge unit, a scanning electrode wire which is embedded into the barrier rib to surround the discharge unit to be separated from the common addressing electrode wire and is extended at respective discharge unit across the common addressing electrode wire, a fluorescent layer formed in the discharge unit and discharge gas filled in the discharge unit. In one embodiment, the PDP is driven by a drive waveform which comprises a restoration period or addressing period and maintaining discharge period. In the embodiment, in the restoration period, when a descending slope pulse is applied to the scanning electrode wire, an offset voltage (VX) is applied to the common addressing electrode wire, and the amplitude of the minimum voltage (Vnf2) of the descending slop pulse is equal to or basically equal to the amplitude of the voltage (VS) of an alternation maintaining pulse applied in the maintaining discharge period.
Description
Technical field
The present invention relates to a kind of plasma display (PDP), more specifically, relate to a kind of plasma display (PDP) that can improve luminous efficiency and reduce permanent after image.
Background technology
The interests of the korean patent application No.10-2004-0050800 that the application requires to submit on June 30th, 2004 in Korea S Department of Intellectual Property, the korean patent application No.10-2004-0050802 that submits on June 30th, 2004 and the korean patent application No.10-2004-0098738 that submits on November 29th, 2004, the disclosure of above-mentioned patent application all is incorporated herein by reference at this.
Plasm display device with plasma display (PDP) has the large-screen that has wide visual angle, and is not only thin but also light, and shows the high-quality picture.Simultaneously, (FPD) compares with other flat-panel monitor, and PDP makes easily and scales up.At these reasons, PDP is counted as one of FPD of future generation.
According to discharge voltage PDP is divided into DC type, AC type and mixed type, PDP can be divided into subtend discharge-type and surface discharge type according to discharging structure simultaneously.
Usually, bipolar electrode subtend discharge PDP is by active research.But, in bipolar electrode subtend discharge PDP, owing to producing discharge between first substrate that forms luminescent coating thereon and second substrate, so because the wearing and tearing of the luminescent coating that ion sputtering causes are very obvious.In order to address this problem, developed and extensive use three-electrode surface discharge AC PDP.
Fig. 1 is the perspective view of traditional three-electrode surface discharge PDP1.Fig. 2 is the block diagram that comprises the plasm display device 100 of the PDP1 shown in Fig. 1.With reference to figure 1 and Fig. 2, between first and second substrates 10 and 13 of traditional three-electrode surface discharge PDP1, provide public address electrode lines A
R1..., A
BM, dielectric layer 11 and 15, Y electrode wires Y
1..., Y
n, X electrode wires X
1..., X
n, luminescent coating 16, barrier rib 17 and as the MgO layer 12 of protective layer.
On the upper surface of second substrate 13, form public address electrode lines A with predetermined pattern
R1..., A
BMForming down, dielectric layer 15 covers address electrode lines A
R1..., A
BMEntire upper surface with second substrate 13.Be parallel to address electrode lines A
R1..., A
BMOn the surface of first dielectric layer 15, form barrier rib 17.Barrier rib 17 is cut apart the discharge space of discharge cell separately and is prevented crosstalking between the display unit.Between barrier rib 17, form luminescent coating 16 respectively.
With predetermined pattern on the rear surface of first substrate of for example making 10 by glass with address electrode lines A
R1..., A
BMThe mode of intersecting forms X electrode wires X
1..., X
nWith Y electrode wires Y
1..., Y
nAt X electrode wires X
1..., X
nWith Y electrode wires Y
1..., Y
nWith address electrode lines A
R1..., A
BMCrosspoint place form discharge cell.Form second dielectric layer 11 and cover X electrode wires X
1..., X
nWith Y electrode wires Y
1..., Y
nAnd the whole lower surface of first substrate 10.The protective layer (for example the MgO layer 12) that being formed for protecting PDP1 to avoid highfield influences covers the whole rear surface of second dielectric layer 11.Utilize plasma to form gas and fill discharge space 14.
With reference to figure 2, plasm display device 100 comprises image processor 56, logic controller 62, addressing driver 3, X driver 4 and Y driver 5.Logic controller 62 produces drive control signal S according to the internal image signal that receives from image processor 56
A, S
YAnd S
XAddressing driver 3, X driver 4 and Y driver 5 are handled the address signal S that receives from logic controller 62 respectively
A, X drive signal S
XWith Y drive signal S
YAnd apply the signal of handling to the Y electrode wires.
Fig. 3 is illustrated in the waveform of the PDP drive signal of the electrode that is applied to PDP in the son field.Be the Japanese patent publication No.214 that announced in 2000, disclose the conventional reset method that is included in the driving method shown in Fig. 3 in 823 and 242,224.
With reference to figure 3, at a son SF
nReset cycle PR in, at first to Y electrode Y
1..., Y
nApply the second voltage V
T1, will rise to gradually than the second voltage V then
T1Big the 5th voltage V
SETThe first voltage V
T1+ V
SETBe applied to Y electrode wires Y
1..., Y
nAt this moment, with X electrode X
1..., X
nWith addressing electrode A
1..., A
mRemain on ground voltage V
GThe place.Therefore, at Y electrode Y
1..., Y
nWith X electrode X
1..., X
nBetween produce weak discharge and at Y electrode Y
1..., Y
nWith addressing electrode A
1..., A
mBetween produce more weak discharge.Therefore, at Y electrode Y
1..., Y
nNear a large amount of negative wall electric charge of formation is at X electrode X
1..., X
nNear the positive wall electric charge of formation, and at addressing electrode A
1..., A
mNear a spot of positive wall electric charge of formation.
Then, with bias voltage V
eBe applied to X electrode X
1..., X
nApplying bias voltage V
eThe time, be applied to Y electrode Y
1..., Y
nVoltage V
T1+ V
SETDrop to tertiary voltage V
T2, and will drop to the 4th voltage V gradually
NfVoltage be applied to Y electrode wires Y
1..., Y
nAt this moment, with addressing electrode A
1..., A
mRemain on ground voltage V
GThe place.Therefore, at X electrode X
1..., X
nWith Y electrode Y
1..., Y
nBetween produce weak discharge and since this weak discharge make at Y electrode Y
1..., Y
nNear the negative wall electric charge of the part that forms moves on to X electrode X
1..., X
nNear.Therefore, X electrode X
1..., X
nWall voltage become less than addressing electrode A
1..., A
mWall voltage and greater than Y electrode Y
1..., Y
nWall voltage.
Therefore, may be reduced in the addressing voltage V that the subtend discharge needs between the addressing electrode selected among the following addressing period PA and the Y electrode
A-V
SC-LSimultaneously, because all addressing electrode A
1..., A
mRemain on ground voltage V
GSo the place is addressing electrode A
1..., A
mWith respect to X electrode X
1..., X
nWith Y electrode Y
1..., Y
nDischarge and make and be formed on addressing electrode A
1..., A
mNear positive wall charge erasure discharge.
Subsequently, in addressing period PA, as forward X electrode X
1..., X
nApply bias voltage V
eThe time, display data signal is applied to addressing electrode A
1..., A
mAnd scanning low-voltage V
SC-LScanning impulse be applied to successively and be biased to than the second voltage V
T1The 6th little voltage V
SC-HThe Y electrode so that carry out stabilizing address.The display data signal V that at this moment, will have positive polarity
ABe applied to addressing electrode A
1..., A
mSelect display unit, and remain on ground voltage V
GThe residue display unit at place does not then have selected.Therefore, if with positive addressing voltage V
ADisplay data signal be applied to and be applied with scanning low-voltage V
SC-LThe Y electrode of scanning impulse, in remaining display unit, then do not have the formation of wall electric charge because address discharge forms the wall electric charge in respective display unit so.
After this, in keeping discharge cycle PS, will have and keep voltage V
SThe pulse of keeping alternately be applied to all Y electrode Y
1..., Y
nWith all X electrode X
1..., X
n, show and keep discharge so that wherein during addressing period PA, formed to produce in the display unit of wall electric charge.
But, in having the PDP1 of following structure, wherein on the rear surface of first substrate 10, form electrode wires, second dielectric layer 11 and protective layer 12 successively, absorb about 40% the visible light that sends from luminescent coating 16, this makes luminous efficiency worsen.If identical image is shown for a long time, then owing to electric field, the charged particle in the discharge gas causes the ion sputtering of luminescent coating 16, the life-span that causes staying permanent after image and reduce PDP.Simultaneously, need 3 drivers (that is, X driver 4, Y driver 5 and addressing driver 3) owing to drive PDP1, so the structure of PDP1 is complicated and has increased the manufacturing cost of driver and power circuit thereof.
Summary of the invention
One aspect of the present invention provides a kind of plasma display (PDP) and driving method thereof that can improve luminous efficiency and reduce permanent after image.
Another aspect of the present invention provides a kind of plasma display (PDP), wherein minimizes by the quantity that makes the voltage level that is applied to PDP and reduces manufacturing cost.
Another aspect of the present invention provides a kind of plasma display (PDP), and it comprises: first substrate and second substrate relative with first substrate; The barrier rib, it cuts apart discharge cell together with first substrate and second substrate, and is made by dielectric material; Public address electrode lines, it is embedded in the barrier rib to come around discharge cell, and is extended to cross discharge cell; Scanning electrode wire, it is embedded into to come in the barrier rib and separates with public address electrode lines around discharge cell, and is extended to intersect in separately discharge cell place and public address electrode lines; The luminescent coating that in discharge cell, forms; And the discharge gas of in discharge cell, filling; Wherein PDP drives with the drive waveforms of keeping discharge cycle by comprising reset cycle or addressing period, and in the reset cycle, apply the acclivity pulse to scanning electrode wire and carry out first initial discharge and apply the pulse of decline slope and carry out second initial discharge to scanning electrode wire; In addressing period, successively to maintaining scanning high voltage V
SC-HThe multi-strip scanning electrode wires at place provides the scanning low-voltage V of scanning impulse
SC-LAnd optionally to the scanning low-voltage V that is applied with scanning impulse
SC-LThe scanning electrode wire public address electrode lines of intersecting apply display data signal; And in keeping discharge cycle, apply the pulse of keeping that replaces to scanning electrode wire, and wherein, in the reset cycle, when being applied to the pulse of decline slope on the scanning electrode wire, with bias voltage V
XBe applied to public address electrode lines, and minimum voltage V that should the pulse of decline slope
Nf2The amplitude voltage V that alternately keeps pulse that equals in keeping discharge cycle, to apply
SAmplitude.
In one embodiment, in the reset cycle, scanning high voltage V
SC-HWith scanning low-voltage V
SC-LBetween voltage difference equal to keep the voltage V of pulse
SAmplitude.In one embodiment, in the reset cycle, when the pulse of decline slope is applied to scanning electrode wire, will have the bias voltage V of the voltage identical with the voltage of display data signal
aBe applied to public address electrode lines.
In one embodiment, the acclivity pulse is from keeping the voltage V of pulse
SRise to the voltage V that keeps pulse
STwice.
In one embodiment, as the feature discharge start voltage V that has surpassed discharge cell by wall voltage that is accumulated in the wall charge generation of barrier on the rib and the summation that is applied to the signal of public addressing electrode and is applied to the voltage difference between the signal of scan electrode
fThe time, in discharge cell, produce strong discharge, and the feature discharge start voltage of the feature discharge start voltage of reset cycle, addressing period and the feature discharge start voltage of keeping discharge cycle all are samples.
In one embodiment, in keeping discharge cycle, be applied to the voltage V that keeps pulse that replaces of scanning electrode wire
SAmplitude greater than feature discharge start voltage V
fHalf.
In one embodiment, when keeping wall voltage, the decline slope pulse that is applied to scan electrode in the reset cycle has the slope that produces second initial discharge, this wall voltage than the voltage of decline slope pulse big feature discharge start voltage V
f
In one embodiment, after stopping decline slope pulse, discharge cell is remained on wall voltage V after resetting
W, the wall voltage V after this resets
WMinimum voltage V than the pulse of decline slope
NfBig feature discharge start voltage V
f
In one embodiment, the wall voltage V after resetting
WAmplitude than feature discharge start voltage V
fHalf is little.
In one embodiment, the public address electrode lines of PDP and scanning electrode wire are made by electric conducting material and are formed by the stairstepping that extends in one direction.
Description of drawings
To be introduced embodiments of the invention with reference to the following drawings:
Fig. 1 is the perspective view of traditional three-electrode surface discharge plasma display (PDP).
Fig. 2 is the block diagram that comprises the plasm display device of the PDP shown in Fig. 1.
Fig. 3 illustrates the waveform of the drive signal that is used to drive the PDP shown in Fig. 1.
Fig. 4 is the partial, exploded perspective view according to the PDP of the embodiment of the invention.
Fig. 5 is the cross-sectional view along the PDP of the line IV-IV among Fig. 4.
Fig. 6 is the public address electrode lines A along the line V-V among Fig. 5
1-A
nThe schematic diagram of structure.
Fig. 7 is the scanning electrode wire S along the line VI-VI among Fig. 5
1-S
mThe schematic diagram of structure.
Fig. 8 is the block diagram that comprises the plasm display device of the PDP shown in Fig. 4.
Fig. 9 is the sequential chart of embodiment that is used for the driving method of the PDP shown in the key diagram 4.
Figure 10 illustrates the waveform of signal that is applied to the electrode wires of the PDP shown in Fig. 4 in the son of Fig. 9.
Figure 11 illustrates the waveform of signal of the electrode wires that is applied to the PDP shown in Fig. 4 in the son according to the embodiment of the driving method of the PDP shown in Fig. 4 and the wall voltage of onunit and closing unit distributes.
Figure 12 illustrates the waveform of signal of the electrode wires that is applied to the PDP shown in Fig. 4 in the son according to another embodiment of the driving method of the PDP shown in Fig. 4 and the wall voltage of onunit and closing unit distributes.
Figure 13 illustrates the wall voltage distribution of waveform and the onunit and the closing unit of the signal that is applied to electrode wires in the son field according to another embodiment of the driving method of the PDP shown in Fig. 4.
Figure 14 illustrates the wall voltage distribution of waveform and the onunit and the closing unit of the signal that is applied to electrode wires in the son field according to another embodiment of the driving method of the PDP shown in Fig. 4.
Embodiment
Will be with reference to showing that the accompanying drawing that wherein goes out exemplary embodiment of the present invention more fully describes embodiments of the invention.
Hereinafter, embodiments of the present invention is described in detail will to arrive Figure 12 with reference to figure 4.
To as shown in Fig. 7, plasma display (PDP) 200 comprises according to an embodiment of the invention as Fig. 4: first substrate 201; Second substrate 202 relative with first substrate 201; The first barrier rib 205, it is placed between first and second substrates 201 and 202, cuts apart in conjunction with the discharge cells 220 of first and second substrates 201 and 202 formation and by dielectric material to make; Public address electrode lines A
1..., A
n, it is embedded in the first barrier rib 205 to come around discharge cell 220, and extends to cross discharge cell 220; Scanning electrode wire S
1..., S
m, its be embedded into first the barrier rib 205 in and with public address electrode lines A
1..., A
nSeparation is to center on discharge cell 220, wherein at scanning electrode wire S
1..., S
mWith public address electrode lines A
1..., A
nCrosspoint place form corresponding discharge cell 220; The luminescent coating 210 that in discharge cell 220, forms; And the discharge gas of in discharge cell 220, filling.
In one embodiment, make first substrate 201 by material such as glass with high light transmittance.Owing to be different from and have electrode wires X thereon
1To X
nAnd Y
1To Y
nThe first traditional substrate, on first substrate 201, do not have electrode wires to exist, so greatly improved visible light light transmission forwards.Therefore, when image has the brightness identical with the brightness in the conventional art, with low relatively driven electrode wires X
1To X
nAnd Y
1To Y
n, cause comparing and improved the light emission effciency with conventional art.
Between first and second substrates 201 and 201, form the first barrier rib 205, so that cut apart a plurality of discharge cells 220.The first barrier rib 205 is cut apart discharge cell 220 and is prevented produce erroneous discharge between discharge cell 220, and wherein each discharge cell 220 is in emitting red light sub-pixel, green emitting sub-pixel and the blue-light-emitting sub-pixel one.
In one embodiment, by preventing public address electrode lines A
1To A
nWith scanning electrode wire S
1To S
mBetween the dielectric material of direct conducting make the first barrier rib 205, prevent the charged particle direct collision and destroy electrode, and when discharge generation, accumulate charged particle as the wall electric charge.In one embodiment, such dielectric material comprises PbO, B
2O
3And SiO
2
Will be around the public address electrode lines A of discharge cell 220
1To A
nWith scanning electrode wire S
1To S
mEmbed in the first barrier rib 205.Public address electrode lines A
1To A
nWith predetermined space and scanning electrode wire S
1To S
mIntersect mutually.In one embodiment, by making electrode wires A such as the electric conducting material of Al or Cu
1To A
nAnd S
1To S
mHere, public address electrode lines A
1..., A
nAs public addressing electrode, and scanning electrode wire S
1..., S
mAs scan electrode.
In one embodiment, with public address electrode lines A
1..., A
nWith scanning electrode wire S
1..., S
mBe arranged to stairstepping.
In one embodiment, cover the side of the first barrier rib 205 as the MgO film 209 of diaphragm.MgO film 209 prevents the charged particle collision and destroys the first barrier rib of being made by for example dielectric material 205, and quicken secondary electron when carrying out discharge.
PDP200 according to an embodiment of the invention can also comprise that being placed on first hinders between rib 205 and back (second) substrate 202 to cut apart the second barrier rib 208 of discharge cell 220 with the first barrier rib 205.In Fig. 4, form the second barrier rib 208 with matrix pattern, still, be not limited to this.Can be to hinder rib 208 such as the opening shape of bar paten or with close-shaped formation second such as waffle pattern, matrix pattern or △ pattern.Simultaneously, can form case type barrier rib, make that the cross section of each discharge space is to be different from foursquare such as triangle or pentagonal polygon or circle, ellipse etc. shown in the present embodiment.As shown in Figure 4, in one embodiment, can form the first and second barrier ribs 205 and 208 with identical pattern.But, in another embodiment, also may form the first and second barrier ribs 205 and 208 with different patterns.
With reference to figure 5, form luminescent coating 210 and cover the side of the second barrier rib 208 and the upper surface of second substrate 202.
In one embodiment, luminescent coating 210 has the composition that is used to receive ultraviolet ray and visible emitting, and wherein the luminescent coating that forms on the emitting red light sub-pixel comprises (V, P) O such as Y
4: the fluorophor of Eu, the luminescent coating that forms on the green emitting sub-pixel comprises such as Zn
2SiO
4: Mn or YBO
3: the fluorophor of Tb, and the luminescent coating that forms on the blue-light-emitting sub-pixel comprises such as BAM: the fluorophor of Eu.
In one embodiment, will be filled in the discharge cell 220 such as the discharge gas of Ne, Xe, Ne gaseous mixture or Xe gaseous mixture.According to one embodiment of present invention, owing to increased whole machining area and produced more plasma, so realized low-voltage driving.Simultaneously, according to one embodiment of present invention, even also can obtain low-voltage driving, so can significantly improve luminous efficiency owing to high density Xe gas is used as discharge gas.Thus, one embodiment of the present of invention have overcome the problem of traditional PD P, are difficult to realize low-voltage driving in traditional PD P when high density Xe gas is used as discharge gas.
In one embodiment, make by electric conducting material and form public address electrode lines A with stairstepping
1To A
nWith scanning electrode wire S
1To S
mFig. 6 is the public address electrode lines A along the line V-V shown in Fig. 5
1-A
nThe schematic diagram of exemplary configurations.With reference to figure 6, form electrode wires A with the stairstepping that extends in one direction
1To A
nSimultaneously, Fig. 7 is the scanning electrode wire S along the line VI-VI shown in Fig. 5
1-S
mThe schematic diagram of exemplary configurations.With reference to figure 7, electrode S
1To S
mHas stairstepping.
Fig. 8 is the block diagram that comprises the plasm display device 300 of the PDP shown in Fig. 4 according to embodiments of the invention.
With reference to figure 8, plasm display device 300 comprises PDP200, image processor 156, logic controller 162, A driver 154 and S driver 155.
Plasm display device 300 can also comprise image processor 156.In one embodiment, image processor 156 converts the external analog picture signal to digital signal, and for example produces that each has internal image signal, clock signal and the vertical horizontal-drive signal that reaches of 8 red (R), green (G) and indigo plant (B) view data.Logic controller 162 produces drive control signal S according to the internal image signal that receives from image processor 156
AAnd S
S
A driver 154 is handled the A drive control signal S that receives from logic controller 162
A,, and the display data signal that is produced is applied to public address electrode lines A so that produce display data signal
1To A
nS driver 155 is handled the S drive control signal S that receives from logic controller 162
SWith to scanning electrode wire S
1To S
mApply the S drive signal.
In plasm display device 300, owing to have only two drivers (that is, S driver 155 and A driver 154) to be used to drive PDP200, so compare with the traditional structure that needs three drivers, the PDP structure is simplified.
Fig. 9 is the sequential chart of embodiment that is used for the driving method of the PDP shown in the key diagram 4.With reference to figure 9, show in order to realize the time-division gray scale, each unit frame is divided into 8 the son fields of SF1 to SF8.Simultaneously, respectively each son SF1 is divided into reset cycle PR1 to PR8, addressing period PA1 to PA8 with keep discharge cycle PS1 to PS8 to SF8.
In PR8, for the following addressing of stable execution, the discharged condition of all display units becomes identical at reset cycle PR1.
In PA8, display data signal is applied to public address electrode lines A at addressing period PA1
1To A
nAnd simultaneously corresponding scanning impulse is applied to successively separately scanning electrode wire S
1To S
mTherefore, when being applied with the display data signal of high level, apply in the discharge cell of scanning impulse and produce address discharge, make in corresponding discharge cell, to form the wall electric charge, and in remaining discharge cell, do not have the wall electric charge to form.
Keeping discharge cycle PS1 in PS8, at all public address electrode lines A
1To A
nAll remain on ground voltage V
GState under, alternately be applied to all scanning electrode wire S with keeping discharge pulse
1To S
m, make wherein in corresponding addressing period PA1 has formed the discharge cell of wall electric charge during the PA8, to produce and keep discharge.As a result, in unit frame, the brightness of PDP is with to keep discharge cycle PS1 proportional to the total length of PS8.The discharge cycle PS1 that keeps in the unit frame is 255T (T is the unit interval) to the total length of PS8.Therefore, can provide 256 gray scales that comprise the zero gray scale that is not presented on the screen to be used for showing.
Here, the discharge cycle PS1 that keeps of first a son SF1 is set to time 1T corresponding to 0, the discharge cycle PS2 that keeps of second a son SF2 is set to time 2T corresponding to 1, the discharge cycle PS3 that keeps of the 3rd a son SF3 is set to time 4T corresponding to 2, and the discharge cycle PS8 that keeps of the 8th a son SF8 is set to time 128T corresponding to 7.Thus, by suitably being chosen in son that 8 son SF1 will show in the SF8, can show 256 gray scales that comprise zero gray scale.
Figure 10 illustrates the son SF of unit of Fig. 9
nIn be applied to the signal of the electrode wires of PDP200.In Figure 10, reference symbol [A
1: A
n] expression is applied to the drive signal of public address electrode lines, and reference symbol S
mExpression is applied to scanning electrode wire S
1To S
mDrive signal.
When carrying out discharge, in reset cycle PR, reset signal is applied to scanning electrode wire S
1To S
m, write discharge so that carry out forcibly, thus the wall state of charge in all unit is carried out initialization.Because reset cycle PR carries out on whole screen before the addressing period PA below entering, thus can be in all unit even distribution wall electric charge.Initialized unit will have similar wall charge condition during reset cycle PR.In reset cycle PR, to scanning electrode wire S
1To S
mApply the acclivity pulse (at t
2And t
3Between) and produce weak discharge thus one time, make at scanning electrode wire S
1To S
mThe negative electrical charge that last accumulation is a large amount of and on address electrode lines and X electrode wires, accumulate positive charge.
Next, with the pulse of decline slope (at t
3And t
4Between) be applied to scanning electrode wire S
1To S
mAnd produce weak discharge thus twice, make scanning electrode wire S
1To S
mVoltage descend gradually and be accumulated in scanning electrode wire S
1To S
mOn negative electrical charge fade away towards discharge space.Because the weak discharge in the discharge space, discharge cell is initialised.
In one embodiment, according to than reference voltage big predetermined voltage V
T1Voltage, the acclivity pulse that will produce a weak discharge is (at t
2And t
3Between) be applied to scan electrode S
1To S
mIf the acclivity pulse is (at t
2And t
3Between) according to than reference voltage big the voltage V of scanning impulse
SVoltage be applied in owing to except the power supply that is used to produce scanning impulse and commutation circuit, do not need to rise on the slope pulse-generating circuit, so can reduce the PDP manufacturing cost.With the pulse of decline slope (at t
3And t
4Between) according to than reference voltage big predetermined voltage V
T2Voltage be applied to Y electrode S
1To S
mSimilarly, if the pulse of decline slope according to than reference voltage big the voltage V of scanning impulse
SVoltage be applied in, then owing to except the power supply that is used to produce scanning impulse and commutation circuit, do not need the slope falling pulse to produce circuit, so can reduce manufacturing cost.
Among the addressing period PA below, will have scanning high voltage V
SC-HScanning impulse be applied to a plurality of scan electrodes.If will have than scanning high voltage V
SC-HLittle scanning low-voltage V
SC-LBe applied to successively to have applied and have scanning high voltage V
SC-HThe scan electrode separately of scanning impulse, then simultaneously with corresponding addressing electrode conducting to select display unit, near the Y of selected display unit electrode, make a large amount of negative electrical charge discharges, near the addressing electrode of selected display unit, make a large amount of positive charge discharges, produce address discharge thus.Therefore, near a large amount of positive charge of the accumulation Y electrode is to prepare to keep discharge.
After carrying out addressing period PA, voltage+V will be just kept in keeping among the discharge cycle PS below
SWith the negative voltage-V that keeps
SBetween the pulse of alternately keeping of switching alternately be applied to scanning electrode wire S
1To S
m
At scanning electrode wire S
1To S
mLast accumulation positive charge and at public address electrode lines A
1To A
nAfter the last accumulation negative electrical charge, apply and keep pulse.In keeping discharge cycle PS, will be towards just keeping voltage+V
SThe voltage that rises is applied to scanning electrode wire S
1To S
m, make to be accumulated in scanning electrode wire S
1To S
mOn positive charge and be accumulated in public address electrode lines A
1To A
nOn negative electrical charge as space charge discharge and because this space charge produces weak discharge.Then, when reaching, last up voltage just keeps voltage+V
SThe time, as from scanning electrode wire S
1To S
mThe more positive charge discharge of space charge, and as from public address electrode lines A
1To A
nThe more negative electrical charges discharge of space charge, make and carry out the quick and powerful discharge of keeping.When at voltage+V
SWith by being accumulated in scanning electrode wire S
1To S
mNear the voltage that produces of positive charge summation with by being accumulated in public address electrode lines A
1To A
nNear the voltage that produces of negative electrical charge between poor (that is, the absolute value of all voltages and) when surpassing discharge start voltage, produce so quick and powerful discharge (hereinafter, be called first and keep discharge) of keeping.
After discharge is kept in generation first, at scanning electrode wire S
1To S
mNear accumulation negative electrical charge accumulates positive charge near the X electrode wires.
Subsequently, will be towards the negative voltage-V that keeps
SThe voltage that descends is applied to scanning electrode wire S
1To S
mTherefore, as from public address electrode lines A
1To A
nThe positive charge discharge of space charge, and as from scanning electrode wire S
1To S
mThe negative electrical charge discharge of space charge.When decline voltage arrives the negative voltage-V that keeps
SThe time, carry out second and keep discharge.When from by public address electrode lines A
1To A
nDeduct voltage-V in the voltage that near the positive charge of accumulation produces
SWith by scanning electrode wire S
1To S
mNear the voltage (that is, the absolute value sum of all voltages) that obtains of the summation of the voltage that produces of the negative electrical charge of accumulation when surpassing discharge start voltage, produce such second and keep discharge.After discharge is kept in generation second, be similar to and produce first state of keeping before discharging, positive charge is accumulated in scanning electrode wire S
1To S
mNear, and negative electrical charge is accumulated near the X electrode wires.After this, by keeping the identical process of discharge and produce the third dimension and hold discharge, then by keeping the identical process of discharge and produce fourth dimension and hold discharge with second with first.During distributing to separately the cycle of son, apply the pulse of keeping alternately and keep keeping discharge.
Figure 11 is illustrated in the waveform of signal of the electrode wires that is applied to the PDP shown in Fig. 4 in the son and the wall voltage distribution of onunit and closing unit.Figure 12 illustrates the waveform of the signal that is applied to electrode wires according to another embodiment of the driving method of the PDP shown in Fig. 4 to Figure 14.
In the following description, consider to determine the slope and the amplitude of drive signal waveform by the wall voltage of wall charge generation.
Illustrating in the oscillogram shown in the topmost portion of Figure 11 (hereinafter being called first oscillogram) ought be having data voltage V
aDisplay data signal be applied to public address electrode lines A
1To A
nThe time voltage waveform.The oscillogram that illustrates below first oscillogram of Figure 11 (hereinafter being called second oscillogram) illustrates and is applied to m bar scanning electrode wire S
mThe waveform of S drive signal.Explanation is shown in the drive signal that is applied to scan electrode be applied to voltage difference between the drive signal of public addressing electrode by the oscillogram of the reference symbol V among Figure 11 (S-A) expression.The oscillogram of the wall voltage of explanation when discharge cell is closed is shown by the oscillogram of the reference symbol V among Figure 11 (OFF) expression.
With reference to Figure 11, in reset cycle PR, with the acclivity pulse (at t
2And t
3Between) be applied to scanning electrode wire S
1To S
mTo carry out first initial discharge, then with the pulse of decline slope (at t
3And t
4Between) be applied to scanning electrode wire S
1To S
mTo carry out second initial discharge.By to scanning electrode wire S
1To S
mThe acclivity pulse that applies the slope with gradual change is (at t
2And t
3Between) carry out first initial discharge.Therefore, produce weak discharge and make negative electrical charge be accumulated in scan electrode S
1To S
mNear (that is scan electrode S,
1To S
mOn dielectric layer near).In one embodiment, in order to reduce the time t that is used for first initial discharge
2-t
3, the acclivity pulse is according to the second voltage V
T1Be applied in and rise to the first voltage V
SET+ V
T1
By the pulse of decline slope is applied to scanning electrode wire S
1To S
mCarry out second initial discharge, make to be accumulated in scanning electrode wire S
1To S
mNeighbouring (that is, at scanning electrode wire S
1To S
mOn dielectric layer near) negative electrical charge discharge and produce weak discharge.At this moment, be applied to scanning electrode wire S
1To S
mThe pulse of decline slope should have the slope of the gradual change that does not allow strong discharge.When keep voltage than the pulse of decline slope big feature discharge start voltage V
fDuring the wall voltage of (back will be introduced), the pulse of decline slope can have the slope that produces second initial discharge.In order to reduce the time t that is used for second initial discharge
3And t
4, can be at the first voltage V
SET+ V
T1Drop to tertiary voltage V
T2Apply the pulse of decline slope afterwards.
Among the addressing period PA below, will scan low-voltage V successively
SC-LScanning impulse be applied to and remain on scanning high voltage V
SC-HMulti-strip scanning electrode wires S
1To S
m, and will have data voltage V
aDisplay data signal optionally be applied to and be applied with the scanning electrode wire S of scanning impulse
1To S
mThe public address electrode lines A that intersects
1To A
nTherefore, have data voltage V being applied with
aThe discharge cell of display data signal in produce address discharge, and in the remaining discharge cell that is not applied with display data signal, do not have address discharge to produce.
Then, keeping among the discharge cycle PS below is applied to scanning electrode wire S with the pulse of keeping that replaces
1To S
mTherefore, during addressing period PA, applied and had data voltage V
aThe discharge that is addressed of the discharge cell of display data signal, therefore be switched on, and kept discharge.But therefore the socking out unit that does not apply display data signal during the addressing period PA discharge that is not addressed is closed, and is not kept discharge.
Simultaneously, in the discharge cell of PDP200, when producing predetermined threshold value voltage between the electrode at discharge cell, discharge by force taking place, wherein predetermined threshold voltage is called feature discharge start voltage V
fParticularly, when by the wall voltage V (ON) that is accumulated in the wall charge generation of barrier on the rib and the summation that is being applied to the signal of public addressing electrode and is being applied to the voltage difference between the signal of scan electrode above this feature discharge start voltage V
fThe time, in this discharge cell, produce strong discharge.
But, owing to a sweep signal and an address signal are applied to each discharge cell of PDP200 according to one embodiment of the invention, so consider the only voltage difference between two electrodes.Therefore, according to one embodiment of present invention, in the plasma display that comprises two electrodes, the feature discharge start voltage of reset cycle, the feature discharge start voltage in address discharge cycle and the feature discharge start voltage of keeping discharge cycle all are identical.
Simultaneously,, in keeping discharge cycle PS, keep discharge, be applied to the scanning electrode wire S of selected discharge cell in order stably to produce with reference to wall voltage waveform by the reference symbol V among Figure 11 (ON) expression
1To S
malternately keep pulse voltage V
SGreater than half of feature discharge start voltage (is V
f/ 2).
V
S＞V
f/2 (1)
As mentioned above, owing to be applied to scanning electrode wire S
1To S
mThe pulse of decline slope have the slope of gradual change and do not produce strong discharge, so when applying this decline slope pulse, keeping than minimum voltage V
NfBig feature discharge start voltage V
fThe state of wall voltage under, the voltage of discharge cell is along with the slope of this gradual change descends.
After applying the pulse of decline slope, discharge cell is remained on minimum voltage V than the pulse of decline slope
NfBig feature discharge start voltage V
fReset after wall voltage V
WIf do not select corresponding discharge cell (that is) if do not produce address discharge, the wall voltage V after just in keeping discharge cycle PS, keeping continuously this to reset
W
Here, the wall voltage V after can resetting by equation 2 expression
W
V
W＝V
f-V
nf (2)
In one embodiment, in order to prevent during keeping discharge cycle PS because this wall voltage V after resetting
WIn nonoptional discharge cell, produce erroneous discharge, the wall voltage V after this resets
WAdvantageously less than feature discharge start voltage V
fHalf.
|V
W|＜V
f/2 (3)
In one embodiment, in nonoptional discharge cell, the wall voltage V after resetting
WWith alternately keep pulse voltage V
SSummation advantageously less than feature discharge start voltage V
f
|V
S|+V
W＜V
f (4)
For example, when applying second when keeping pulse for nonoptional discharge cell, if V
S+ V
W＜V
f, discharge just can not make a mistake.Because V
W=V
f-V
Nf(equation 2) is so the inequality 5 below having obtained.
V
S+(V
f-V
nf)＜V
f
Therefore, V
Nf＞V
S(5)
The minimum voltage V of the decline slope pulse that during reset cycle PR, applies in one embodiment,
NfThan the voltage V that alternately keeps pulse that during keeping discharge cycle PS, applies
SGreatly.
But, because the minimum voltage V of the decline slope pulse that during reset cycle PR, applies
NfHeight is so increased the manufacturing cost of drive circuit and may cause electromagnetic interference.
Keeping being applied to scan electrode S
1To S
mSignal and be applied under the state of the voltage difference V (S-A) between the signal of public addressing electrode, one embodiment of the present of invention have reduced the minimum voltage V of the decline slope pulse that applies in reset cycle PR
Nf
As shown in Figure 12, when applying the pulse of decline slope (at t
3And t
4Between) time by giving public address electrode lines A
1To A
nApply bias voltage V
X, reduced the minimum voltage V of decline slope pulse
Nf
In addition, if when applying the pulse of decline slope (at t
3And t
4Between) time to public address electrode lines A
1To A
nApply reset bias voltage V
X, then positive charge can be from public address electrode lines A
1To A
nThe discharge, and positive charge can with from scanning electrode wire S
1To S
mThe negative electrical charge of discharge interacts, and promotes second weak discharge thus.
Especially, will be applied to public address electrode lines A
1To A
nBias voltage V
XAmplitude be arranged so that the minimum voltage of decline slope pulse equals alternately to keep the voltage V of pulse
STherefore, can simplify the power circuit that is used to make scanner driver, and reduce the manufacturing cost of this driver.
With reference to Figure 12, the minimum voltage of decline slope pulse is V
S, be applied to scanning electrode wire S
1To S
mThe minimum voltage V of decline slope pulse
SBe applied to public address electrode lines A
1To A
nBias voltage V
XBetween voltage difference V
S-V
XEqual or equal substantially the V of Figure 11
NfTherefore, as shown in third and fourth waveform of Figure 11, when beginning to apply the minimum voltage of decline slope pulse, be applied to scanning electrode wire S
1To S
mSignal and be applied to public addressing electrode A
1To A
nSignal between voltage difference V (S-A) equal or equal substantially V
Nf
Therefore, when bias voltage V
XBe applied to public address electrode lines A
1To A
nThe time, if dummy is added to scanning electrode wire S
1To S
mThe minimum voltage of decline slope pulse be V
Nf2, so inequality 5 can be rewritten as equation 5 '.
V
nf＝V
S (5′)
Here, V
Nf=V
Nf2-V
X=V
S-V
X, and can rewrite V according to following equation 6
Nf
|V
nf|＝|V
S|+V
X| (6)
Simultaneously, in the addressing period PA of Figure 12, when applying scanning impulse, provide the scanning low-voltage V of scanning impulse by supply voltage independently
SC-LAnd can be by providing than scanning low-voltage V
SC-LThe big V that keeps pulse
SVoltage apply the scanning high voltage V of scanning impulse
SC-H
V
SC-H＝V
SC-L+V
S (7)
That is to say scanning high voltage V
SC-HWith scanning low-voltage V
SC-LBetween voltage difference equal or be substantially equal to keep the voltage V of pulse
STherefore, can be used to provide scanning high voltage V
SC-HIndependently voltage source, but by keeping the voltage V of pulse
SBe increased to the scanning low-voltage V of scanning impulse
SC-LOn produce the scanning high voltage V of scanning impulse
SC-H, this helps to reduce manufacturing cost.Replacedly, also may provide scanning high voltage V by voltage source independently
SC-HAnd by scanning high voltage V from this
SC-HIn deduct the voltage V that keeps pulse
SProduce scanning low-voltage V
SC-L
In addition, if scanning high voltage V
SC-HEqual ground voltage V
G, then do not need voltage source.
With reference to Figure 13, if be applied to public address electrode lines A
1To A
nBias voltage V
XEqual the voltage V of display data signal
a, that is to say, if V
X=V
a, then can also reduce the manufacturing cost of addressing driver.
As mentioned above, according to one embodiment of present invention, can reduce the quantity of required voltage level, and therefore can reduce the manufacturing cost of PDP driver.
Simultaneously, if in reset cycle PR V
T1=V
T2=V
SAnd V
Nf2=V
S(equation 5 ') and in addressing period PA V
SC-H=V
SC-L+ V
S, the voltage that then is used to drive the required scanner driver of PDP is V
Set, V
SC-L(or V
SC-H) and V
SThis is because V
Nf2Equal V
SAnd V
SC-HEqual V
SC-L+ V
S
Simultaneously, in reset cycle PR, the acclivity pulse is (at t
2And t
3Between) from keeping the voltage V of pulse
SRise to the first voltage (V
SET+ V
T1=V
SET+ V
S).Here, in one embodiment, in order to carry out initial discharge, V
SETInequality 8 below satisfying.
V
SET+V
S＞V
f (8)
When considering 2V
S＞V
f(inequality 1) V
SET=V
SThe time, check and whether satisfy inequality 8.As a result, work as V
SET=V
SThe time inequality 8 become inequality 1.Therefore, can be with V
SETBe set to V
SAnd with the first voltage V of acclivity pulse
SET+ V
SBe set to 2V
S
(V
SET+V
S)＝2V
S (9)
Like this, in Figure 14, V
T1=V
T2=V
SAnd V
SET=V
S
As mentioned above, PDP according to an embodiment of the invention has following advantage.
The first keep discharge owing to only in the discharge cell of cutting apart by the barrier rib, produce, so may prevent because the ion sputtering of the luminescent coating that charged particle produces, even identical thus image show for a long time, also prevent to form permanent after image.
The second, owing to from all sides of discharge cell, produce surface discharge, so machining area has obtained expansion.
The 3rd, because the discharge that will produce from all sides of each discharge cell is diffused into the center of discharge cell, so compare with conventional art, machining area is obviously widened and can effectively be utilized all discharge cells.Therefore, realize low-voltage driving, and obviously improved luminous efficiency.
The 4th since driver include only the scanner driver that is used for the driven sweep electrode wires and be used to drive public address electrode lines the addressing driver and without the X driver, so the manufacturing cost of driver obviously reduces.
The 5th, owing to keep the voltage V of pulse
SThe minimum voltage V of slope pulse equals or equals substantially to descend
Nf2So therefore the quantity that has reduced the voltage level that is applied to PDP also reduced the manufacturing cost of PDP drive circuit.
The 6th since in the reset cycle with voltage V
SApply acclivity pulse and the pulse of decline slope, so the minimum voltage V of decline slope pulse
Nf2Equal or equal substantially to keep the voltage V of pulse
SSimultaneously, because scanning high voltage ratio scanning low-voltage V
SC-LThe big voltage V that keeps pulse
S, so the quantity of voltage level that is applied to the scanner driver of PDP can be reduced to three: V
SET, V
SC-H(or V
SC-L) and V
SIn addition, owing to be applied to the bias voltage V of public address electrode lines
XEqual or equal substantially the voltage V of display data signal
aSo, can reduce the manufacturing cost of addressing driver.
The 7th since in the reset cycle with voltage V
SApply acclivity pulse and the pulse of decline slope, so the maximum voltage of acclivity pulse is 2V
S, and the scanning high voltage is than scanning low-voltage V
SC-LThe big voltage V that keeps pulse
S, the quantity of voltage level that is applied to the scanner driver of PDP can be reduced to two: V
SC-H(or V
SC-L) and V
STherefore, according to one embodiment of present invention, can reduce the quantity of required supply voltage and reduce the manufacturing cost of the driver be used to drive PDP thus.
Although top description has been pointed out as being applied to the novel feature of the present invention among each embodiment, but it will be appreciated by those skilled in the art that, under the situation that does not depart from the scope of the invention, can on the form of described device and process and details, carry out various omissions, replacement and change.Therefore, be that description by appended claim rather than front defines scope of the present invention.All equivalents and the variations in the scope in claim are included in the scope of claim.
Claims (11)
1, plasma display (PDP), it comprises:
First substrate and second substrate relative with first substrate;
The barrier rib, it cuts apart discharge cell with first substrate and second substrate;
Many public address electrode lines, it is embedded in the barrier rib so that around discharge cell, and is extended to cross discharge cell;
The multi-strip scanning electrode wires, it is embedded in the barrier rib so that around discharge cell, separates with public address electrode lines and is extended to intersect with public address electrode lines at discharge cell place separately;
The luminescent coating that in each discharge cell, forms; With
The discharge gas of in discharge cell, filling;
Wherein PDP is configured to drive with the drive waveforms of keeping discharge cycle by comprising reset cycle or addressing period; And
Wherein, in the reset cycle, the PDP configuration is applied the acclivity pulse to carry out first initial discharge and to apply the pulse of decline slope to carry out second initial discharge to scanning electrode wire to scanning electrode wire;
Wherein, in addressing period, PDP is disposed successively to maintaining scanning high voltage (V
SC-H) the multi-strip scanning electrode wires of locating applies the scanning low-voltage (V of scanning impulse
SC-L) and optionally to the scanning low-voltage (V that is applied with scanning impulse
SC-L) the scanning electrode wire public address electrode lines of intersecting apply display data signal;
Wherein, in keeping discharge cycle, the PDP configuration is come to apply the pulse of keeping that replaces to scanning electrode wire;
And wherein, in the reset cycle, when being applied to the pulse of decline slope on the scanning electrode wire, with bias voltage (V
X) be applied to public address electrode lines, and minimum voltage (V that should the pulse of decline slope
Nf2) the amplitude voltage (V that alternately keeps pulse that equals or equal substantially in keeping discharge cycle, to apply
S) amplitude.
2, PDP as claimed in claim 1, wherein, in the reset cycle, scanning high voltage (V
SC-H) and scanning low-voltage (V
SC-L) between voltage difference equal or equal substantially to keep the voltage (V of pulse
S) amplitude.
3, PDP as claimed in claim 2 wherein, in the reset cycle, when the pulse of decline slope is applied to scanning electrode wire, will have the bias voltage (V of the voltage identical with the voltage of display data signal
a) be applied to public address electrode lines.
4, PDP as claimed in claim 1, wherein the acclivity pulse is from keeping the voltage (V of pulse
S) rise to the voltage (V that keeps pulse
S) twice (2V
S).
5, PDP as claimed in claim 1 is wherein as the feature discharge start voltage V that has been surpassed discharge cell by wall voltage that is accumulated in the wall charge generation of barrier on the rib and the summation that is applied to the signal of public addressing electrode and is applied to the voltage difference between the signal of scan electrode
fThe time, in discharge cell, produce first discharge, and
The feature discharge start voltage of reset cycle, the feature discharge start voltage of addressing period and the feature discharge start voltage of keeping discharge cycle all are the same.
6, PDP as claimed in claim 5 wherein, in keeping discharge cycle, is applied to the voltage (V that alternately keeps pulse of scanning electrode wire
S) amplitude greater than feature discharge start voltage (V
f) half.
7, PDP as claimed in claim 5, wherein when keeping wall voltage, the decline slope pulse that is applied to scan electrode in the reset cycle has the slope that produces second initial discharge, this wall voltage than the voltage of decline slope pulse big feature discharge start voltage (V
f).
8, PDP as claimed in claim 5 wherein, after stopping decline slope pulse, remains on wall voltage (V after resetting with discharge cell
W) locate the wall voltage (V after this resets
W) than the minimum voltage (V of decline slope pulse
Nf) big feature discharge start voltage (V
f).
9, PDP as claimed in claim 8, the wall voltage (V after wherein resetting
W) amplitude than feature discharge start voltage (V
f) half is little.
10, PDP as claimed in claim 8, the wall voltage (V after wherein resetting
W) and alternately keep the voltage (V of pulse
S) summation than feature discharge start voltage (V
f) little.
11, PDP as claimed in claim 1 wherein hinders rib and is made by dielectric material.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040050800A KR100537629B1 (en) | 2004-06-30 | 2004-06-30 | Driving method of plasma display panel |
| KR0050802/04 | 2004-06-30 | ||
| KR0050800/04 | 2004-06-30 | ||
| KR0098738/04 | 2004-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1716505A true CN1716505A (en) | 2006-01-04 |
Family
ID=35822199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100896941A Pending CN1716505A (en) | 2004-06-30 | 2005-06-30 | Plasma display panel |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100537629B1 (en) |
| CN (1) | CN1716505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760399A (en) * | 2012-07-04 | 2012-10-31 | 四川虹欧显示器件有限公司 | Method for improving reliability of circuit of plasma display panel |
-
2004
- 2004-06-30 KR KR1020040050800A patent/KR100537629B1/en not_active IP Right Cessation
-
2005
- 2005-06-30 CN CNA2005100896941A patent/CN1716505A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760399A (en) * | 2012-07-04 | 2012-10-31 | 四川虹欧显示器件有限公司 | Method for improving reliability of circuit of plasma display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100537629B1 (en) | 2005-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1185610C (en) | Plasma display plate and its driving method | |
| CN1165938C (en) | Gas discharge panel | |
| CN1424739A (en) | Display device and driving method thereof | |
| CN1753064A (en) | Method and apparatus of driving plasma display panel | |
| CN1750068A (en) | Plasma display apparatus and driving method thereof | |
| CN1838210A (en) | Plasma display device and method of driving the same | |
| CN1790461A (en) | Plasma display device and method of driving the same | |
| CN1349242A (en) | Plasma display panel, method and device for driving same | |
| CN1790596A (en) | Display device | |
| CN1804970A (en) | Apparatus for deriving a plasma display panel | |
| CN1722204A (en) | Method and apparatus for driving plasma display panel | |
| CN1804974A (en) | Driving method of plasma display panel and plasma display device | |
| CN1892761A (en) | Plasma display apparatus and driving method thereof | |
| CN1713251A (en) | Plasma display apparatus and driving method thereof | |
| CN1700391A (en) | Plasma display panel (pdp) | |
| CN1622159A (en) | Method of driving plasma display panel (PDP) | |
| CN1870103A (en) | Plasma display apparatus and driving method thereof | |
| CN1716505A (en) | Plasma display panel | |
| CN1637806A (en) | Plasma display and driving method thereof | |
| CN1912969A (en) | Method of driving plasma display panel and plasma display device driven using the method | |
| CN1941040A (en) | Plasma display apparatus and drive method thereof | |
| CN1581409A (en) | Plasma display panel, and method and apparatus of driving the same | |
| CN1912968A (en) | Method of driving plasma display panel and plasma display apparatus driven using the method | |
| CN101038724A (en) | Method for driving plasma display panel | |
| CN101038725A (en) | Method for driving plasma display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060104 |