CN1921550A - Plasma display picture processing device and method - Google Patents
Plasma display picture processing device and method Download PDFInfo
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- CN1921550A CN1921550A CNA200610106851XA CN200610106851A CN1921550A CN 1921550 A CN1921550 A CN 1921550A CN A200610106851X A CNA200610106851X A CN A200610106851XA CN 200610106851 A CN200610106851 A CN 200610106851A CN 1921550 A CN1921550 A CN 1921550A
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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
- 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
- G09G3/298—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 using surface discharge 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/043—Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
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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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Disclosed is a plasma display picture processing device and method for searching non-displayed area and compensating to lookup the non-displayed row or column of the field, readjust the size to display the whole image. In addition, only the black line in the signal is searched in the existing art and extends up/down, but the present invention looks up the non-discharged row or column for compensating, so not only the top/underside, but also the right/left can be compensated and the discharge of the cell in the non-displayed area is obstructed to nip the cell life shortening in the bud.
Description
One, technical field reaches
The invention relates to display instrument, utilize the display instrument image processing device and the method for cell (Cell) discharge compensation picture in specifically a kind of plasma scope.
Two, background technology
TV is the most representative in the display instrument, the channel that this TV selects by the user, the broadcast singal that TV station transmits is selected and demodulation, and the corresponding audio frequency of separating audio and video and warp, Video processing are sent to the image display apparatus in picture or the loud speaker.Its kind has, and most popular CRT in recent years for satisfying the requirement of user to high image quality/big picture, and listing, utilizes the TV of technology such as LCD or plasma display.
The front substrate of this plasma display is gone up with one side and is formed Y electrode and Z electrode; Form the X electrode on the back substrate of its superstructure; Form interlayer in order to prevent cell adjacent between the X electrode (Cell) from cross-talk (Crosstalk) taking place; Around interlayer and X electrode, form the substructure of luminescent coating; And charge into inert gas between superstructure and substructure, make it form the discharge field.
Again, between X electrode and Y electrode, apply driving voltage, rightabout discharge then takes place between X electrode and Y electrode and produce the wall electric charge, be continuously applied opposite polarity discharge voltage and cut off the driving voltage that applies to the X electrode to Y electrode and Z electrode, then, between Y electrode and Z electrode, keep the certain potentials difference and surface discharge takes place because of the wall electric charge.Its result, the inert gas in the discharge field produces ultraviolet ray.Above-mentioned ultraviolet ray excited luminescent coating, luminous fluorophor once showed to have versicolor picture.
Therefore, use the plasma scope of aforesaid plasma display, its design feature is: RT compares with existing C, and extremely thin GTG is arranged, and compares with LCD simultaneously, and its light characteristic is very superior, has satisfied as TV necessary technology condition.And the design characteristics that is installed in wall etc. is very superior, and therefore, TV receives much concern as the New Times.
General plasma display TV is broadly divided into: the plasma display module; According to the selection channel of user's needs, and receive its broadcast singal, be sent to the TV module in the above-mentioned plasma display module.Wherein, the part conjunction with figs. of plasma display module is described in detail as follows.
Fig. 1 is the image processing device calcspar of prior art ionic medium volumetric display.
Plasma display module of the prior art comprises as shown in Figure 1: to the X plate 11 of the X electrode output location of plasma display (not shown) voltage; Y plate 12 to the Y of plasma display module electrode output scanning voltage; Keep the Z plate 13 of voltage to the output of the Z of plasma display module electrode; With the R of TV module output, G, the B picture signal is sent to the videoscanning plate 15 of plasma display inside modules; To output to X by level and vertical sequential, Y, the control board 14 on the Z plate by the picture signal of above-mentioned videoscanning plate 15 transmission; The power supply unit 16 of working power is provided to above-mentioned all elements.
The aforesaid existing plasma scope course of work is described as follows.
At first, the user selects a certain channel, then the TV module receives the broadcast singal of corresponding channel, and the plasma display module is treated to the signal of suitable picture demonstration with it and together is sent in the above-mentioned videoscanning pattern 15 of plasma display module with level and vertical synchronizing signal.
Then, above-mentioned videoscanning pattern 15 transmits above-mentioned picture signal and synchronizing signal to control board 14, and simultaneously, above-mentioned power supply unit 16 provides driving power to each element.Again, above-mentioned control board 14 control timing make above-mentioned image signal data and synchronizing signal synchronous, and suitably distribution exports X to, and Y is in the Z plate.
So, above-mentioned X, Y, the data that the Z buttress transmits according to above-mentioned control board 14, generation respective drive pulse also exports in the respective electrode of plasma display.Along with the electrode of plasma display is driven, above-mentioned surface discharge takes place, and fluorescence coating is luminous, form picture.
But the existing plasma scope with described structure also as shown in Figure 2, intactly is presented on the unusual picture of importing in the picture when the input abnormal signal, produces the field (21～24) of difference in picture, makes the user feel discontented to this.
Because of cell (Cell) thermalization that the trickle discharge that does not show the field causes, shorten its life-span again.Moreover, prior art can only be searched black line and also upwards/down be adjusted picture in whole image, and a left side/right field but can't display frame.
Three, summary of the invention
In view of this, in order to address the above problem, the plasma display picture processing device and the method that the object of the present invention is to provide a kind of cell (Cell) of judging image display device whether to discharge.If the field that does not show is arranged, then compensate it and do not show the field in the picture.
Invent for addressing the above problem, possesses X plate to X electrode output location voltage, plasma display picture processing device to the Y plate of Y electrode output scanning voltage comprises: according to the order of user's input, the control board of information and corresponding control signal is searched in the no signal field and the output of searching in above-mentioned X plate and the Y plate; Information is searched, the videoscanning plate of Selective Control picture dimension in no signal field according to above-mentioned control board feedback; The plasma display that shows the image of above-mentioned videoscanning plate output.
Above-mentioned control board enters the automatic picture adjustment modes when whether having selected picture dimension unusual according to the user in the process of watching, search the no signal field of above-mentioned X plate and Y plate.
Above-mentioned no signal field is in cell (Cell) discharge required each X plate and Y plate, calculates the field of data line (or row) quantity between the dead space.
Above-mentioned videoscanning plate is to answer the picture displayed size in the above-mentioned plasma display of compensation, and the size of compensation is identical with the no signal field of above-mentioned control board input.
Invent for addressing the above problem, possesses X plate to X electrode output location voltage, plasma display picture processing method to the Y plate of Y electrode output scanning voltage comprises: the user selects the automatic picture adjustment modes, judges that then image is whether in stage of the complete demonstration in viewing area; If above-mentioned viewing area does not show complete image, then select the stage in corresponding field; According to the stage of above-mentioned degree of compensation compensation picture.
Select the stage in corresponding field, in above-mentioned X plate and Y plate, calculate the not row of discharge cell (Cell) (or row) quantity.
Calculate the stage of row (or row) quantity of above-mentioned cell (Cell), calculate repeatedly, until cell (Cell) row (or the row of inquiry less than not discharge.
Above-mentioned compensated stage, according to the above-mentioned cell field of selecting, the image adjustment that will show is amplified to whole image.
The invention has the beneficial effects as follows:
1, looks for the row (or row) that does not show the field, adjust picture dimension, show complete picture.
2, only search black line and it is made progress/descend to extend in the prior art, but search the row (or row) of not discharge among the present invention and it is compensated, therefore, be not only/descend, a left side/right picture also can be compensated.
3, cut off the discharge of the cell (Cell) that does not show the field, cell (Cell) lost of life is prevented trouble before it happens.
Four, description of drawings
Fig. 1 is the image processing device calcspar of prior art ionic medium volumetric display.
Fig. 2 is the picture processing method embodiment schematic diagram of prior art ionic medium volumetric display.
Fig. 3 is the image processing device calcspar of ionic medium volumetric display of the present invention.
Fig. 4 is the picture processing method flow chart of ionic medium volumetric display of the present invention.
Fig. 5 is the picture processing method embodiment schematic diagram of ionic medium volumetric display of the present invention.
The symbol description of major part during accompanying drawing shows
101:X plate 102:Y plate
103:Z plate 104: control board
105: videoscanning plate 106: power supply unit
Five, embodiment
Below, conjunction with figs. is described in detail as follows for ionic medium volumetric display image processing device of the present invention and method.
Fig. 3 is the image processing device calcspar of ionic medium volumetric display of the present invention, and Fig. 4 is the picture processing method flow chart of ionic medium volumetric display of the present invention, and Fig. 5 is the picture processing method embodiment schematic diagram of ionic medium volumetric display of the present invention.
Plasma display picture processing device among the present invention comprises as shown in Figure 3: to the X plate 101 of X electrode output location voltage; Y plate 102 to Y electrode output scanning voltage; Keep the Z plate 103 of voltage to the output of Z electrode; According to the order of user's input, the control board 104 of information and corresponding control signal is searched in the no signal field and the output of searching in above-mentioned X plate 101 and the Y plate 102; Information is searched, the videoscanning plate 105 of Selective Control picture dimension in no signal field according to above-mentioned control board 104 feedbacks; The plasma display (not shown) that shows the image of above-mentioned videoscanning plate 105 outputs; The power supply unit 106 of power supply is provided.
Image processing device operation principle with the plasma scope among the present invention of said structure is described as follows.
At first, the data of above-mentioned X plate 101 between cell (Cell) transmission positioning area, above-mentioned Y plate 102 is to the data of cell (Cell) transmission sweep interval, and Z plate 103 keeps the continuation of cell (Cell) discharge of reception from X and Y plate 101,102.
Again, above-mentioned control board 104 is to above-mentioned X, Y, and Z plate 101,102,103 transmits data, adjusts sequential.Above-mentioned videoscanning plate 105 finally is converted to R with the picture signal of input, G, and the B picture signal also is sent in the control board 104.
That is, above-mentioned control board 104 transmits data respectively to each plate, and then above-mentioned X plate 101 transmits data to cell (Cell), and Y plate 102 is sent to data cell (Cell) again.Wherein, the cell (Cell) that receives home row (or row) and scan line (or row) data simultaneously produces discharge, does not produce discharge but only receive one cell (Cell) in location or scanning.
Therefore, above-mentioned control board 104 is searched the not cell (Cell) of discharge, by above-mentioned videoscanning plate 105 compensation picture dimensions, makes it show complete picture.
That is, when the user utilizes plasma scope to watch TV,, then can in menu, select the automatic picture adjustment modes, make above-mentioned control board 104 judge in X plate 101 required in cell (Cell) discharge and the Y plate 102 whether have or not the signal spacing if note abnormalities.
Again, above-mentioned judged result is then calculated the quantity of the data line (or row) between corresponding dead space if having or not the signal spacing, and the quantity of the row (or row) of not discharge is sent in the above-mentioned videoscanning plate 105, adjust picture dimension, it adjusts the quantity that quantity is corresponding line (or row).
The gas ions display picture processing method that has among the present invention of said structure cooperates Fig. 4 to be described as follows.
The user finds that in the process of watching picture dimension has unusually, selects the automatic picture adjustment modes, judges whether picture shows stage S101～S102 in whole field.
Above-mentioned S102 judged result if do not show in whole field, is then calculated the quantity of cell (Cell) row (or row) that does not discharge and is sent in the videoscanning plate 105 stage S103.Searching of discharge cell (Cell) in fact do not exported the drive signal of X plate 101 and Y plate 102, therefore can be calculated by CPU.
So, above-mentioned videoscanning plate 105 is judged the picture dimension that compensate according to the quantity of cell (Cell) row (or row) of above-mentioned not discharge, and, is presented on the screen stage S104～S105 according to above-mentioned dimension compensation picture.
At last, the order of input power-off then finishes stage S106.
On the one hand, above-mentioned S102 judged result if show, then keeps current picture displayed size in whole field, and checks whether picture dimension changes stage S107.
Promptly shown in Fig. 5 (a), find the not field of display image on a left side/right side of picture, or shown in (b), on picture/downside finds the not field of display image, or shown in (c), on picture/down/left side/right side is all found the field of not display frame, is then checked corresponding field, and press corresponding size compensation picture.
Claims (8)
1, a kind of plasma display picture processing device, possesses X plate to X electrode output location voltage, Y plate to Y electrode output scanning voltage, it is characterized in that: it comprises the order according to user's input, and the control board of information and corresponding control signal is searched in the no signal field and the output of searching in above-mentioned X plate and the Y plate; Information is searched, the videoscanning plate of Selective Control picture dimension in no signal field according to above-mentioned control board feedback; The plasma display that shows the image of above-mentioned videoscanning plate output.
2, plasma display picture processing device according to claim 1, it is characterized in that: above-mentioned control board, enter the automatic picture adjustment modes when in the process of watching, whether having selected picture dimension unusual, search the no signal field of above-mentioned X plate and Y plate according to the user.
3, plasma display picture processing device according to claim 2 is characterized in that: above-mentioned no signal field is in cell discharge required each X plate and Y plate, calculates the field of data line (or row) quantity between the dead space.
4, plasma display picture processing device according to claim 1, it is characterized in that: above-mentioned videoscanning plate is to answer the picture displayed size in the above-mentioned plasma display of compensation, and the size of compensation is identical with the no signal field of above-mentioned control board input.
5, among a kind of the present invention, possesses X plate to X electrode output location voltage, to the plasma scope processing method of the Y plate of Y electrode output scanning voltage, it is characterized in that it comprises: the user selects the automatic picture adjustment modes, judges that then image is whether in stage of the complete demonstration in viewing area; If above-mentioned viewing area does not show complete image, then select the stage in corresponding field; According to the stage of above-mentioned degree of compensation compensation picture.
6, plasma display picture processing method according to claim 5 is characterized in that: in the above-mentioned stage of selecting corresponding field, calculate the not row of discharge cell (or row) quantity in above-mentioned X plate and Y plate.
7, plasma display picture processing method according to claim 6 is characterized in that: calculate the stage of row (or row) quantity of above-mentioned cell, calculate repeatedly, until the cell capable (or row) of inquiry less than not discharge.
8, plasma display picture processing method according to claim 5 is characterized in that: above-mentioned compensated stage, according to the above-mentioned cell field of selecting, the image adjustment that will show is amplified to whole image.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050082014 | 2005-09-03 | ||
| KR1020050082014A KR100747823B1 (en) | 2005-09-03 | 2005-09-03 | Method and apparatus for processing a screen of PDP display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1921550A true CN1921550A (en) | 2007-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610106851XA Pending CN1921550A (en) | 2005-09-03 | 2006-07-31 | Plasma display picture processing device and method |
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| Country | Link |
|---|---|
| KR (1) | KR100747823B1 (en) |
| CN (1) | CN1921550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700210A (en) * | 2016-04-29 | 2016-06-22 | 深圳市华星光电技术有限公司 | LCD (liquid crystal display) panel and manufacturing method therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10136289A (en) | 1996-10-31 | 1998-05-22 | Mitsubishi Electric Corp | Picture display method for plasma display and plasma display device |
| KR100490712B1 (en) * | 2001-12-17 | 2005-05-24 | 엘지전자 주식회사 | Method and apparatus for diagnosing defect of cell of pdp module |
| KR100447192B1 (en) * | 2002-01-15 | 2004-09-04 | 엘지전자 주식회사 | Method and apparatus for displaying error of PDP module |
| KR100493285B1 (en) * | 2002-07-27 | 2005-06-03 | 엘지전자 주식회사 | Apparatus for protecting raster absence of pdp tv |
-
2005
- 2005-09-03 KR KR1020050082014A patent/KR100747823B1/en not_active IP Right Cessation
-
2006
- 2006-07-31 CN CNA200610106851XA patent/CN1921550A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700210A (en) * | 2016-04-29 | 2016-06-22 | 深圳市华星光电技术有限公司 | LCD (liquid crystal display) panel and manufacturing method therefor |
| CN105700210B (en) * | 2016-04-29 | 2019-04-05 | 深圳市华星光电技术有限公司 | LCD display panel and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100747823B1 (en) | 2007-08-08 |
| KR20070025638A (en) | 2007-03-08 |
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