CN101101717A - Plasma display apparatus - Google Patents
Plasma display apparatus Download PDFInfo
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- CN101101717A CN101101717A CNA2006101727659A CN200610172765A CN101101717A CN 101101717 A CN101101717 A CN 101101717A CN A2006101727659 A CNA2006101727659 A CN A2006101727659A CN 200610172765 A CN200610172765 A CN 200610172765A CN 101101717 A CN101101717 A CN 101101717A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
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- 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
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Plasma & Fusion (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode, a sustain electrode, and an address electrode, and a driver. The driver supplies a first data pulse of either a high level or a low level to the address electrode during a first period. The driver supplies a second data pulse of either a high level or a low level to the address electrode during a second period. The level of the first data pulse is different from the level of the second data pulse.
Description
Technical field
Presents relates to plasma display panel device.
Background technology
Plasma display panel device comprises Plasmia indicating panel with a plurality of electrodes and the driver that drives the electrode of Plasmia indicating panel.
Plasmia indicating panel has wherein the structure that the barrier rib that forms between the plate and rear panel in front forms unit discharge unit or a plurality of discharge cells.Each discharge cell is filled with the main discharge gas that comprises such as the potpourri of neon (Ne), helium (He) and Ne and He, and a small amount of xenon (Xe).A plurality of discharge cells form a plurality of pixels of display image.For example, red (R) discharge cell, green (G) discharge cell and indigo plant (B) discharge cell form a pixel.
When by HF voltage plasma discharging display panel, inert gas produces vacuum ultraviolet, causes that thus the fluorescent material that forms between barrier rib is luminous, and so display image.
The driving voltage that is provided to Plasmia indicating panel produces reset discharge in the reset cycle, produce address discharge in addressing period, and discharge is kept in generation in the cycle of keeping, thus display image.
Summary of the invention
In one aspect, a kind of plasma display panel device comprises: have scan electrode, keep the Plasmia indicating panel of electrode and addressing electrode, and driver, it provides high level or low level first data pulse to addressing electrode during the period 1, and provide high level or low level second data pulse to addressing electrode during second round, wherein the level of first data pulse is different from the level of second data pulse.
Driver can be provided for wiping scan electrode and the pulse of keeping the wall electric charge that forms on the electrode to scan electrode, keep electrode or addressing electrode at least one of them.
Control Driver was to provide the controller of first data pulse and second data pulse when plasma display panel device can further be included in reception image retention removal mode signal.
This controller can receive image retention removal mode signal from telepilot or push button signalling generator.
This driver can provide first data pulse with luminous from all discharge cells of Plasmia indicating panel, and driver can provide second data pulse not luminous with all discharge cells from Plasmia indicating panel.
This plasma display panel can comprise first and second scan electrodes adjacent one another are, corresponding to first discharge cell of first scan electrode, and corresponding to second discharge cell of second scan electrode.This driver can provide first data pulse with luminous from first discharge cell and not luminous from second discharge cell, and this driver can provide second data pulse with not luminous and luminous from second discharge cell from first discharge cell.
When the variation between the APL of the average picture level (APL) of first frame and second frame during greater than threshold value, this driver can provide first data pulse to addressing electrode during the period 1, and can provide second data pulse opposite with first data pulse to arrive addressing electrode during second round.
When on Plasmia indicating panel, showing that identical image continues predetermined period of time, driver can provide first data pulse to addressing electrode during the period 1, and can provide second data pulse opposite with first data pulse to arrive addressing electrode during second round.
In another aspect, plasma display panel device comprises the Plasmia indicating panel that has scan electrode, keeps electrode and addressing electrode; Receive image retention and remove the controller of mode signal; And driver, its when input picture residue removal mode signal, be provided for wiping scan electrode and the pulse of keeping the wall electric charge that forms on the electrode to scan electrode, keep at least one of electrode or addressing electrode.
This plasma display device can comprise further that output image residue removal mode signal is to the telepilot of controller or at least one of push button signalling generator.
This driver can provide the last pulse of keeping of first polarity to arrive scan electrode during the cycle of keeping.This driver can provide second pulse of first pulse of second polarity different with first polarity and first polarity to scan electrode and addressing electrode respectively during the cycle of keeping.
The width of keeping pulse that this is last can be greater than the width of first pulse and the width of second pulse.
This driver can provide the pulse of keeping at last of first polarity to arrive scan electrode during the cycle of keeping.This driver can provide first pulse of second polarity different with first polarity and first polarity respectively during the cycle of keeping second pulse is to scan electrode and keep electrode.
The width of keeping pulse that this is last can be greater than the width of first pulse and the width of second pulse.
This driver can provide the pulse of keeping at last of first polarity to arrive scan electrode during the cycle of keeping.This driver can provide second pulse of first pulse of second polarity different with first polarity and first polarity to keeping electrode and scan electrode respectively during the cycle of keeping.
The width of keeping pulse that this is last can be greater than the width of first pulse and the width of second pulse.
This driver can provide the pulse of keeping at last of first polarity to arrive scan electrode during the cycle of keeping.This driver can provide during the cycle of keeping from the voltage of first polarity and drop to the pulse of voltage of second polarity different with first polarity gradually to keeping electrode.
This driver can provide the pulse of setting up with rate of rise that has less than the rate of rise of setting up pulse that provides, wherein at sub-field period input picture residue removal mode signal during the reset cycle of son field during the reset cycle of next height field.
This driver can be during the reset cycle of next height field, the pulse of setting up with ceiling voltage that has less than the ceiling voltage of setting up pulse that provides during the reset cycle of son field is provided, and wherein this image retention removal mode signal is transfused at sub-field period.
This driver can provide reset pulse during the reset cycle of next height field, this reset pulse is greater than the number of the reset pulse that provides during the reset cycle of son field, and wherein this image retention removal mode signal is transfused at sub-field period.
Description of drawings
Accompanying drawing comprises in order further to understand the present invention, and be included into a part that constitutes this instructions in this instructions, these accompanying drawings show one or more embodiment of the present invention, and are used for this instructions principle of the present invention being described.
Fig. 1 shows the plasma display panel device according to an embodiment;
Fig. 2 shows in every frame the image that is shown by plasma display panel device according to an embodiment;
Fig. 3 shows in each son the root image that is shown by plasma display panel device according to an embodiment;
Fig. 4 shows the bar image by the plasma display panel device demonstration according to an embodiment;
Fig. 5 shows the demonstration in screen demonstration (OSD) data that is used to remove image retention;
Fig. 6 shows based on the image retention according to the plasma display panel device of an embodiment of average picture level (APL) and removes operation;
Fig. 7 shows based on the image retention according to the plasma display panel device of an embodiment of image and removes operation;
Fig. 8 a shows first example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 8 b shows second example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 8 c shows the 3rd example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 8 d shows the 4th example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 9 a shows the 5th example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 9 b shows the 6th example according to the driving pulse of the plasma display panel device of an embodiment;
Fig. 9 c shows the 7th example according to the driving pulse of the plasma display panel device of an embodiment;
Embodiment
To describe specific embodiments of the invention in detail below, the example shown in the drawings.
The plasma display panel device according to an embodiment as shown in Figure 1 comprises: Plasmia indicating panel 100, driver 110, controller 120, push button signalling generator 130, telepilot 140, storer 150 and average picture level (APL) counter 160.
This plasma display panel 100 comprises a plurality of scan electrode Y1-Yn, a plurality of electrode Z1-Zn and a plurality of addressing electrode X1-Xm of keeping.These a plurality of addressing electrode X1-Xm are configured to intersect with a plurality of scan electrode Y1-Yn and a plurality of electrode Z1-Zn that keeps.
This driver 110 is provided for the reset pulse of the wall electric charge of even format (uniformalizing) Plasmia indicating panel 100 during the reset cycle, during addressing period, be provided for selecting the scanning impulse of wherein luminous discharge cell, and during the cycle of keeping from selected discharge cell luminous keep pulse to a plurality of scan electrode Y1-Yn.
This driver 110 provides during addressing period with the pulse of scanning impulse data in synchronization and arrives addressing electrode X1-Xm.Because the scanning impulse and the data pulse of high level are provided, providing when keeping pulse, the discharge cell of selecting during the addressing period is luminous.This driver 110 provides high level or low level first data pulse to addressing electrode X1-Xm during the period 1.This driver 110 provides high level or low level second data pulse to addressing electrode X1-Xm during second round, and wherein the level of first data pulse is different from the level of second data pulse.
This driver 110 provides keeps pulse to keeping electrode Z1-Zn, and the discharge cell of selecting during the addressing period is luminous thus.
This driver 110 be provided for wiping scan electrode Y1-Yn and the pulse of keeping the wall electric charge that forms on the electrode Z1-Zn to scan electrode Y1-Yn, keep at least one of electrode Z1-Zn or addressing electrode X1-Xm.
This controller 120 is carried out reverse gamma-corrected processing, gain control processing, halftone process, the mapping processing of son field and a son rearrangement at the video data of importing from the outside and is handled.These controller 120 output video data are to driver 110.Driver 110 provides the data pulse corresponding to video data.The multiple driving pulse that controller 120 control is provided by driver 110 sequential is provided.
This controller 120 receives image retention and removes mode signal, and controls this driver 110 to be provided for removing the driving pulse of image retention.Specifically, this controller 120 receives image retention and removes mode signal, and Control Driver 110 is to provide first data pulse and second data pulse.To describe the work of driver 110 and controller 120 below in detail.
Push button signalling generator 130 comprises keyboard, and passes through user's operation output image residue removal mode signal.
This telepilot 140 is removed mode signal by the image retention of user's operation output infrared type.
Storer 150 memory image residue removal algorithms.After controller 120 receives image retention removal mode signal, carry out this image retention and remove algorithm.When controller 120 beginning control charts were operated as residue removal, these controller 120 Control Driver 110 made the output of normal picture data be cut off.
The APL that this APL counter 160 calculates corresponding to every frame.The APL of every frame equals the ratio corresponding to the sum of effective discharge cell of the summation of the gray level of each effective discharge cell and Plasmia indicating panel 100.This effective discharge cell means the discharge cell that it is luminous.
The period 1 of first data pulse being provided and be provided the second round of second data pulse can be one or more frames, or at least one height field of a plurality of sons field of configuration frame.
For example, as shown in Figure 2, address discharge takes place during to addressing electrode X1-Xm in the data pulse that provides high level at n frame and (n+2) frame when driver 110 in all discharge cells of Plasmia indicating panel 100.In addition, when driver 110 provides low level data pulse to addressing electrode X1-Xm in (n+1) frame and (n+3) frame, in all discharge cells of Plasmia indicating panel 100 address discharge does not take place.Therefore, at n frame and (n+2) display white image duration image, and show black image during in (n+1) frame and (n+3) frame according to the plasma display panel device of an embodiment.
As shown in Figure 3, a frame comprises 8 son SF1-SF8.When driver 110 provides the data pulse of high level to arrive addressing electrode X1-Xm in odd number SF1, SF3, SF5 and SF7, in all discharge cells of Plasmia indicating panel 100 address discharge takes place.In addition, when driver 110 provides low level data pulse to addressing electrode X1-Xm in even number SF2, SF4, SF6 and SF8, in all discharge cells of Plasmia indicating panel 100 address discharge takes place.Therefore, according to plasma display panel device display white image during odd number SF1, SF3, SF5 and SF7 of an embodiment, and during even number SF2, SF4, SF6 and SF8, show black image.
As shown in Figure 4, Plasmia indicating panel 100 comprises first and second scan electrodes adjacent one another are, corresponding to the first discharge cell C1 of first scan electrode with corresponding to the second discharge cell C2 of second scan electrode.Driver 110 provides first data pulse with luminous from the first discharge cell C1 and not luminous from the second discharge cell C2.Driver 110 provides second data pulse with not luminous and luminous from the second discharge cell C2 from the first discharge cell C1.
For example, when driver 110 in the n frame, provide scanning impulse to odd scanning electrode Y1, Y3 ... and during Yn-1, driver 110 provides the data pulse of high level to addressing electrode X1-Xm.When driver 110 in the n frame, provide scanning impulse to even scanning electrode Y2, Y4 ... and during Yn, driver 110 provides low level data pulse to addressing electrode X1-Xm.Therefore, light from corresponding to odd scanning electrode Y1, Y3 ... and launch in the discharge cell of Yn-1, and not from corresponding to even scanning electrode Y2, Y4 ... and the discharge cell of Yn sends light.
In addition, when driver 110 in the n+1 frame, provide scanning impulse to odd scanning electrode Y1, Y3 ... and during Yn-1, driver 110 provides low level data pulse to addressing electrode X1-Xm.When driver 110 in the n+1 frame, provide scanning impulse to even scanning electrode Y2, Y4 ... and during Yn, driver 110 provides the data pulse of high level to addressing electrode X1-Xm.Therefore, light not from corresponding to odd scanning electrode Y1, Y3 ... and the discharge cell of Yn-1 sends, and from corresponding to even scanning electrode Y2, Y4 ... and the discharge cell of Yn sends light.
Since fluorescent material that in discharge cell, exists and charged particle and vacuum ultraviolet collision, interim or permanent degeneration the in the surface of this fluorescent material.This may cause generation image retention.But, because white image and black image show alternately that according to an embodiment surface of the fluorescent material that exists evenly makes image retention be removed in all discharge cells of Plasmia indicating panel 100.
Storer 150 can store be used to remove image retention show (OSD) data at screen.Controller 120 is to coming under the situation of Control Driver 110 in the osd data of storage in storer 150, according to the OSD of the plasma display panel device displayed map 5 of an embodiment therein.If the user selects image retention to remove pattern, the push button signalling generator 130 of Fig. 1 or telepilot 140 these image retentions of output are removed mode signal to controller 120.Therefore, the image retention of carrying out as shown in Figure 2 according to the plasma display panel device of an embodiment is removed operation.
In Fig. 5, after plasma display panel device showed OSD, the user selected image retention removal pattern to make push button signalling generator 130 or telepilot 140 output image residue removal mode signals.But user's operation push-button signal generator 130 or telepilot 140 are used to select image retention to remove pattern, and do not have the demonstration of OSD, and therefore can the operation of carries out image residue removal according to the plasma display panel device of an embodiment.
At controller 120 after APL counter 160 receives the APL of n and (n+1) frame, the difference that controller 120 calculates between the APL of n and (n+1) frame.When the difference between the APL of n and (n+1) frame during greater than threshold value, controller 120 makes driver 110 provides high or low level during the period 1 first data pulse to addressing electrode X1-Xm, and second data pulse that the level different with the level of first data pulse be provided during second round is to addressing electrode X1-Xm.
For example, as shown in Figure 6, when the difference between the APL of n and (n+1) frame during greater than threshold value, driver 110 is at (n+2) and provide (n+4) image duration low level first data pulse to addressing electrode X1-Xm, and at (n+3) with provide (n+5) image duration second data pulse of high level to arrive addressing electrode X1-Xm.
When during the finite time cycle, showing identical image on the Plasmia indicating panel 100, according to the residual operation of plasma display panel device carries out image of an embodiment.For example, the limited therein time cycle equals 3 frames and shows under the situation of specific image image duration to n at (n-3) frame, and controller 120 more limited time cycle and images show the time.Because image shows the time (just, 4 frames) greater than the limited time cycle (just, 3 frames), this driver 110 during the period 1 (just, at (n+1) to (n+3) image duration) first data pulse that high level is provided is to addressing electrode X1-Xm, and (just, at (n+2) to (n+4) image duration) provides low level second data pulse to addressing electrode X1-Xm during second round.
As mentioned above, driver 110 be provided for wiping scan electrode Y1-Yn and the pulse of keeping the wall electric charge that forms on the electrode Z1-Zn to scan electrode Y1-Yn, keep at least one of electrode Z1-Zn or addressing electrode X1-Xm.
Shown in Fig. 8 a, driver 110 can provide last (last) pulse (SUS of first polarity during the cycle of keeping
LAST) to scan electrode Y.Afterwards, this driver 110 can provide the first pulse (P of second polarity different with first polarity respectively
ERASE1) and the second pulse (P of first polarity
ERASE2) to scan electrode Y with keep electrode Z.
For example, driver 110 provides the last pulse (SUS that keeps of positive polarity during the cycle of keeping
LAST) to scan electrode Y.Afterwards, this driver 110 provides the first pulse (P of negative polarity respectively
ERASE1) and the second pulse (P of positive polarity
ERASE2) to scan electrode Y and addressing electrode X.Then, this driver 110 provides reset pulse (P during the reset cycle
RESET) and bias voltage Vb to scan electrode Y with keep electrode Z.
In the present embodiment, the highest voltage level of positive pulse is level voltage GND above Ground, and the lowest voltage level of negative pulse is lower than ground level voltage GND.For example, the second pulse (P of positive polarity
ERASE2) highest voltage level level voltage GND above Ground.
In the present embodiment, keeping the width S W of pulse can be greater than the first pulse (P
ERASE1) the width W 1 and the second pulse (P
ERASE2) width W 2.This first pulse (P
ERASE1) width W 1 can be substantially equal to the second pulse (P
ERASE2) width W 2.Because the first and second pulse (P
ERASE1, P
ERASE2) width W 1 and W2 less than the width S W that keeps pulse, this first and second pulse (P
ERASE1, P
ERASE2) the generation erasure discharge.This causes at scan electrode Y, keep wiping of the wall electric charge accumulated on electrode Z and the addressing electrode X.If after keeping end cycle at scan electrode Y, keep on electrode Z and the addressing electrode X and too much to form the wall electric charge, although reset pulse is provided, the residue wall electric charge in all discharge cells is inhomogeneous, this causes image retention.But, according to an embodiment, the first and second pulse (P
ERASE1, P
ERASE2) wipe at scan electrode Y, keep the wall electric charge that too much forms on electrode Z and the addressing electrode X, make by providing the residue wall electric charge of reset pulse in all discharge cells even.Therefore, this image retention is removed.
Shown in Fig. 8 b, what driver 110 provided first polarity during the cycle of keeping keeps pulse (SUS at last
LAST) to scan electrode Y.Afterwards, driver 110 provides the first pulse (P of second polarity different with first polarity respectively
ERASE1) and the second pulse (P of first polarity
ERASE2) to scan electrode Y with keep electrode Z.In the present embodiment, keeping the width S W of pulse can be greater than the first pulse (P
ERASE1) the width and the second pulse (P
ERASE2) width W 2.As the first and second pulse (P
ERASE1, P
ERASE2) width W 1 and W2 when keeping the width S W of pulse, the negative charge of scan electrode Y and the positive charge of keeping electrode Z are discharged to outside the discharge cell space.Therefore, scan electrode Y and keep wall electric charge on the electrode Z and be wiped free of and make image retention be removed.
Shown in Fig. 8 c, driver 110 provides the last pulse (SUS that keeps of first polarity during the cycle of keeping
LAST) to scan electrode Y.Afterwards, driver 110 provides the first pulse (P of first polarity respectively
ERASE1) and the second pulse (P of first polarity
ERASE2) to scan electrode Y with keep electrode Z.In the present embodiment, keeping the width S W of pulse can be greater than the first pulse (P
ERASE1) the width W 1 and the second pulse (P
ERASE2) width W 2.As the first and second pulse (P
ERASE1, P
ERASE2) width W 1 and W2 when keeping the width S W of pulse, the negative charge of scan electrode Y and the positive charge of keeping electrode Z are discharged to outside the discharge cell space.Therefore, wiping scan electrode Y makes image retention be removed with the wall electric charge of keeping on the electrode Z.
Shown in Fig. 8 d, driver 110 provides the last pulse (SUS that keeps of first polarity during the cycle of keeping
LAST) to scan electrode Y.Afterwards, driver 110 provides the pulse (P that drops to the voltage (VE2) of second polarity that is different from first polarity from the voltage (VE1) of first polarity gradually
ERASE) to keeping electrode Z.When first polarity kept pulse (SUS at last
LAST) when being provided to scan electrode Y, form positive charge forming negative charge on the scan electrode Y and keeping on the electrode Z.When pulse (P is provided during cycle t1
ERASE) when keeping electrode Z, keep wall electric charge around the electrode Z and leave and keep electrode Z, and positive charge and the negative charge on scan electrode Y are compound.When during cycle t2, with pulse (P
ERASE) be provided to when keeping electrode Z, the amount of leaving the positive charge of keeping electrode Z reduces.Therefore, at scan electrode Y with keep wall electric charge on the electrode Z and be wiped free of and make image retention be removed.
Shown in Fig. 9 a, driver 110 is during the reset cycle of next height field, provide the pulse of setting up that has less than the rate of rise of the rate of rise of setting up pulse that provides during the reset cycle of son, wherein at sub-field period input picture residue removal mode signal.More specifically, some input time of fiducial mark tp indicating image residue removal mode signal.Belong at time point tp under the situation of son SF1, driver 110 provides its rate of rise to set up pulse (P less than what provide during the reset cycle of a son SF1 during the reset cycle of next height field SF2 of a son SF1
SETUP1) the rate of rise set up pulse (P
SETUP2).This sets up pulse (P
SETUP1And P
SETUP2) have a waveform that rises to second voltage (Vst+Vs) from the first voltage Vs gradually.This sets up pulse (P
SETUP1And P
SETUP2) rate of rise indication between the first voltage Vs and second voltage (Vst+Vs) difference and rise to second voltage (Vst+Vs) ratio of required time from the first voltage Vs.Therefore, because the amount of the wall electric charge that forms in discharge cell in son SF2 is less than the wall quantity of electric charge that forms in discharge cell in a son SF1, image retention is removed.
Shown in Fig. 9 b, driver 110 is during the reset cycle of next height field, the pulse of setting up with ceiling voltage is provided, and this ceiling voltage is wherein imported this image retention at sub-field period and is removed mode signal less than the ceiling voltage of setting up pulse that provides during the reset cycle of son field.More specifically, when putting tp and belong to son SF1 the input time that image retention is removed mode signal, driver 110 provides its ceiling voltage (V during the reset cycle of next height field SF2 of a son SF1
SETUP2) be lower than during the reset cycle of son SF1, provide set up pulse (P
SETUP1) ceiling voltage (V
SETUP1) set up pulse (P
SETUP2).Therefore, because the amount of the wall electric charge that forms in discharge cell in son SF2 is less than the amount of the wall electric charge that forms in discharge cell in a son SF1, image retention is removed.
Shown in Fig. 9 c, driver 110 provides the reset pulse greater than the number of the reset pulse that provides during the reset cycle of son field during the reset cycle of next height field, and wherein this image retention removal mode signal is transfused at sub-field period.More particularly, when putting tp and belong to son SF1 the input time that image retention is removed mode signal, driver 110 provides the reset pulse (P that provides greater than during the reset cycle of a son SF1 during the reset cycle of next height field SF2 of a son SF1
RESET1) number set up pulse (P
RESET2And P
RESET3).Therefore, because the amount of the wall electric charge that forms in discharge cell in son SF2 is less than the amount of the wall electric charge that forms in discharge cell in a son SF1, image retention is removed.
As mentioned above, when the plasma display panel device according to an embodiment showed OSD, the push button signalling generator 130 of Fig. 1 or telepilot 140 were removed model selection according to user's image retention, and output image residue removal mode signal is to controller 120.Therefore, according to the plasma display panel device of an embodiment can be shown in Fig. 8 a-8d and 9a-9c work.
Foregoing embodiment and advantage only are exemplary, are not interpreted as limitation of the present invention.Instruction of the present disclosure can be applicable to the device of other types.Instructions of the present invention is illustrative, does not limit the scope of claims.To one skilled in the art, many replacements, modification and change all are conspicuous.In claims, the sentence that device adds function is intended to comprise the structure of the function that realization described herein quotes.Be not only the equivalent of structure, also comprise the structure of equivalence.In addition, unless in the qualification of claim, clearly quoted from term " means ", should be otherwise should limit in 35 USC, 112 (6) times explanations.
Claims (22)
1. plasma display panel device comprises:
Plasmia indicating panel, it comprises scan electrode, keeps electrode and addressing electrode; With
Driver, it provides high level or low level first data pulse to addressing electrode during the period 1, and provide high level or low level second data pulse to addressing electrode during second round, wherein the level of this first data pulse is different from the level of second data pulse.
2. plasma display panel device as claimed in claim 1, wherein, this driver be provided for wiping scan electrode and the pulse of keeping the wall electric charge that forms on the electrode to scan electrode, keep electrode or addressing electrode at least one of them.
3. plasma display panel device as claimed in claim 1 further comprises controller, and Control Driver was to provide first data pulse and second data pulse when it removed mode signal in reception image retention.
4. plasma display panel device as claimed in claim 3, wherein, this controller receives image retention removal mode signal from telepilot or push button signalling generator.
5. plasma display panel device as claimed in claim 1, wherein, this period 1 equals the n frame, and equals (n+1) frame this second round.
6. plasma display panel device as claimed in claim 1, wherein, this period 1 equals n son field, and equals (n+1) height field this second round.
7. plasma display panel device as claimed in claim 1, wherein, this driver provides first data pulse luminous with all discharge cells from Plasmia indicating panel, and
This driver provides second data pulse so that all discharge cells from Plasmia indicating panel are not luminous.
8. plasma display panel device as claimed in claim 1, wherein, this plasma display panel comprises first and second scan electrodes adjacent one another are, corresponding to first discharge cell of first scan electrode and corresponding to second discharge cell of second scan electrode
This driver provides first data pulse with luminous from first discharge cell and not luminous from second discharge cell, and
This driver provides second data pulse with not luminous and luminous from second discharge cell from first discharge cell.
9. plasma display panel device as claimed in claim 1, wherein, when the difference between the APL of the average picture level (APL) of first frame and second frame during greater than threshold value, driver provides first data pulse to addressing electrode during the period 1, and provides second data pulse opposite with first data pulse to arrive addressing electrode during second round.
10. plasma display panel device as claimed in claim 1, wherein, when predetermined time cycle on Plasmia indicating panel shows identical image, driver provides first data pulse to addressing electrode during the period 1, and provides second data pulse opposite with first data pulse to arrive addressing electrode during second round.
11. a plasma display panel device, it comprises:
Plasmia indicating panel, it comprises scan electrode, keeps electrode and addressing electrode;
Controller, it receives image retention and removes mode signal, and
Driver, its when input picture residue removal mode signal, be provided for wiping scan electrode and the pulse of keeping the wall electric charge that forms on the electrode to scan electrode, keep at least one of electrode or addressing electrode.
12. plasma display panel device as claimed in claim 11, further comprise output image residue removal mode signal to the telepilot of controller or push button signalling generator at least wherein it
13. plasma display panel device as claimed in claim 11, wherein, this driver provides the pulse of keeping at last of first polarity to arrive scan electrode during the cycle of keeping, and
This driver provides second pulse of first pulse of second polarity different with first polarity and first polarity to scan electrode and addressing electrode respectively during the cycle of keeping.
14. plasma display panel device as claimed in claim 13, wherein, the width of keeping pulse that this is last is greater than the width of first pulse and the width of second pulse.
15. plasma display panel device as claimed in claim 11, wherein, this driver provides the last pulse of keeping of first polarity to arrive scan electrode during the cycle of keeping, and
This driver provides first pulse of second polarity different with first polarity and first polarity respectively during the cycle of keeping second pulse is to scan electrode and keep electrode.
16. plasma display panel device as claimed in claim 15, wherein, the width of keeping pulse that this is last is greater than the width of first pulse and the width of second pulse.
17. plasma display panel device as claimed in claim 11, wherein, this driver provides the last pulse of keeping of first polarity to arrive scan electrode during the cycle of keeping, and
This driver provides second pulse of first pulse of second polarity different with first polarity and first polarity to keeping electrode and scan electrode respectively during the cycle of keeping.
18. plasma display panel device as claimed in claim 17, wherein, the width of keeping pulse that this is last is greater than the width of first pulse and the width of second pulse.
19. plasma display panel device as claimed in claim 11, wherein, this driver provides the last pulse of keeping of first polarity to arrive scan electrode during the cycle of keeping, and
This driver provides during the cycle of keeping from the voltage of first polarity and drops to the pulse of voltage of second polarity different with first polarity gradually to keeping electrode.
20. plasma display panel device as claimed in claim 11, wherein, this driver provides the set up pulse of its rate of rise less than the rate of rise of setting up pulse that provides during the reset cycle of son field during the reset cycle of next height field,
Wherein import this image retention and remove mode signal at this sub-field period.
21. plasma display panel device as claimed in claim 11, wherein, this driver provides the set up pulse of its ceiling voltage less than the ceiling voltage of setting up pulse that provides during the reset cycle of son field during the reset cycle of next height field,
Wherein import this image retention and remove mode signal at this sub-field period.
22. plasma display panel device as claimed in claim 11, wherein, this driver provides the reset pulse of its number greater than the number of the reset pulse that provides during the reset cycle of son field during the reset cycle of next height field,
Wherein import this image retention and remove mode signal at this sub-field period.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050135318A KR100760680B1 (en) | 2005-12-30 | 2005-12-30 | Apparatus and method for removing image sticking, and plasma display panel having function of removing image sticking |
KR1020050135318 | 2005-12-30 | ||
KR1020060001436 | 2006-01-05 |
Publications (1)
Publication Number | Publication Date |
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CN101101717A true CN101101717A (en) | 2008-01-09 |
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ID=38506759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006101727659A Pending CN101101717A (en) | 2005-12-30 | 2006-12-30 | Plasma display apparatus |
Country Status (2)
Country | Link |
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KR (1) | KR100760680B1 (en) |
CN (1) | CN101101717A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102208162A (en) * | 2010-09-30 | 2011-10-05 | 四川虹欧显示器件有限公司 | Picture quality regulating device of plasma displayer and plasma television |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101441689B1 (en) * | 2008-04-18 | 2014-11-03 | 엘지전자 주식회사 | Method and apparatus for preventing an ocular spectrum of (a) screen of (an) image display device |
KR101056306B1 (en) | 2009-07-31 | 2011-08-11 | 삼성모바일디스플레이주식회사 | Digital display and its image arranging method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1271459A1 (en) | 2001-06-27 | 2003-01-02 | Deutsche Thomson-Brandt Gmbh | Method and device for compensating burning effects on display panel |
KR100813715B1 (en) | 2002-01-08 | 2008-03-13 | 엘지전자 주식회사 | Method for minimizing image sticking effect of a plasma display panel |
KR100725382B1 (en) | 2003-02-18 | 2007-06-07 | 대원전기 주식회사 | Wiring system of electric pole having overhead earth wire combined with neutral line and distributing method using the same |
KR20040103155A (en) | 2003-05-31 | 2004-12-08 | 주식회사 대우일렉트로닉스 | Method for handling video signal of pdp remain color prevention |
-
2005
- 2005-12-30 KR KR1020050135318A patent/KR100760680B1/en not_active IP Right Cessation
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- 2006-12-30 CN CNA2006101727659A patent/CN101101717A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102208162A (en) * | 2010-09-30 | 2011-10-05 | 四川虹欧显示器件有限公司 | Picture quality regulating device of plasma displayer and plasma television |
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KR20070071650A (en) | 2007-07-04 |
KR100760680B1 (en) | 2007-09-20 |
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