CN1917008A - Plasma display screen driving device and its method - Google Patents

Plasma display screen driving device and its method Download PDF

Info

Publication number
CN1917008A
CN1917008A CNA2006101287659A CN200610128765A CN1917008A CN 1917008 A CN1917008 A CN 1917008A CN A2006101287659 A CNA2006101287659 A CN A2006101287659A CN 200610128765 A CN200610128765 A CN 200610128765A CN 1917008 A CN1917008 A CN 1917008A
Authority
CN
China
Prior art keywords
signal
mentioned
pdp
input
drive
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
Application number
CNA2006101287659A
Other languages
Chinese (zh)
Inventor
李正浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Nanjing Display Co Ltd
Original Assignee
LG Electronics Nanjing Display Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Nanjing Display Co Ltd filed Critical LG Electronics Nanjing Display Co Ltd
Publication of CN1917008A publication Critical patent/CN1917008A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/28Control 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
    • G09G3/288Control 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
    • G09G3/296Driving circuits for producing the waveforms applied to the driving electrodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving

Landscapes

  • 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

The present invention relates to a plasma display screen driving device and the corresponding inventions thereof, wherein the synchronous and interfering signals are detected from the input signals and are determined and stored according to ADC standard, the device of the present invention represents a light current bound fashion upon the specified standard and reduces the output of continuous data so as to execute low energy model. When the ADC standard is higher than the given specified range, the input field is determined as light current bound; at this time the output signals are reduced and the driving device outputs driving signals in a low energy waste model; so that the picture is displayed according to the driving signals. When the display screen is driven by the low energy model, the continuous data outputted from the display screen is reduced. If the inputted synchronous signals are weak than the given basic synchronous signals, and the inputted interfering signals are strong than the given basic interfering signals, the input field is determined as light current bound. At this time, the outputted continuous data is reduced, the consume of electrical energy is reduced by reducing the discharging times, and the drive IC and unit are prevented from being heated, so that the life of the component and the PDP are prolonged.

Description

The drive unit of plasma panel and method thereof
Technical field
The present invention is a relevant plasma panel (Plasma display panel is designated hereinafter simply as PDP), the drive unit of the PDP when particularly the RF light current sector signal of the analog TV of PDP built-in (Built-in) model is imported and the content of method thereof.
Background technology
Nearest digital image represents that mode has CRT or rear-projection TV, and various devices such as LCD and PDP have obtained exploitation and used.Flat display devices such as wherein above-mentioned LCD or PDP are compared with CRT or rear-projection mode, have very thin thickness.
Look at the principle of luminosity of above-mentioned PDP, be potential difference (PD), and form discharge that it is next luminous that reflection takes place for vacuum ultraviolet that produces and the fluorophor of RGB in discharge process by the pulse mode of X electrode and the generation of Y electrode.At this moment luminous meeting is subjected to the influence of a lot of parameters, the particularly kind of the discharge gas of PDP inside and pressure, and also to emit characteristic closely related with MgO diaphragm secondary electron, and change according to the structure and the different of drive condition of electrode.
" Plasma " of PDP module is positive electricity (ion), and negative charge (electronics) is with the coexistence of almost same quantity, and the situation of similar and free particle comprehensively keeps neutral state.It generally speaking is exactly the compounding substances of ion and electronics.When the additional forceful electric power of antianode and negative electrode was pressed under vacuum state, gas inside obtained activate, as time goes by, gets back to stable original state once more, sends simultaneously as the strong and beautiful light of aurora.Utilize the Plasma that is called of this Plasma phenomenon to show.
With reference to following additional drawing, the PDP that uses original technology is described.
Fig. 1 is the oblique view of the original PDP discharge cell structure of expression.
As shown in the figure, general PDP discharge cell be by the continuous electrode that comprises scan electrode Y and continuous electrode Z that forms on the top machine plate 1 to for continuous electrode to intersecting, and the address electrode X that forms on bottom machine plate 2 forms.
Scan electrode Y and continuous electrode Z are made of the metal electrode that transparency electrode and its top form.The Z-shaped top machine plate 1 that becomes of scan electrode Y and continuous electrode is that top lures electrics layer 6 and MgO protective seam 7 overlapping.
On the bottom machine plate 2 that address electrode X-shaped becomes, formed the bottom and lured electrics layer 4, made it cover address electrode X.The bottom lures and has formed barrier film 3 on the electrics layer 4.It is to be formed by fluorophor 5 that the bottom lures the surface of electrics layer 4 and barrier film 3.
Injected He+Xe in the discharge space between top machine plate 1 and bottom machine plate 2 and the barrier film 3, Ne+Xe, the mixed gas that He+Xe+Ne etc. are stable.Top machine plate 1 and bottom machine plate 2 are to be coupled together by not shown entity.
Fig. 2 is the drawing of the drive waveforms of the original PDP of driving of expression, and according to this figure, PDP is the initial phase that is divided into whole image, the address stage of carrying out for selected cell and for keeping successive stages that the selected cell discharge carries out drives.
At initial phase, additional simultaneously rising oblique wave (Ramp-up) on the part scan electrode Y was set in the stage (Set Up).In the unit of whole image, form discharge according to this rising oblique wave (Ramp-up).Because this set discharge causes address electrode X and continuous electrode Z to go up and piles up positive polarity wall electric charge, then can pile up the wall electric charge of negative polarity on the scan electrode Y.
Decline stage (Set Down), rising oblique wave (Ramp-up) is provided after, additional lower on scan electrode Y than the ceiling voltage of rising oblique wave (Ramp-up), a kind of decline oblique wave (Ramp-down) that reduces from positive polarity voltage.Decline oblique wave (Ramp-down) is the faint elimination discharge that causes in the unit, plays the too much effect of the wall electric charge of formation of a part of eliminating.Therefore descend and discharge, can form the wall amount of charge of stablizing the address discharge, make its average remaining in the unit.
Negative polarity scanning impulse (scan) is affixed on the scan electrode Y in turn during the Address, and synchronous with scanning impulse (scan) simultaneously, address electrode X goes up by additional positive polarity data pulse (data).The address discharge will take place in formed wall voltage addition during the voltage difference of this scanning impulse (scan) and data pulse (data) and initialization in the unit that data pulse (data) adds up.The inner a spot of wall electric charge that only when adding continuous voltage, just forms discharge that forms in the unit that discharge is selected according to address.
Be to have only between decrement phase He during the address just to supply positive polarity DC voltage (Zdc) on the continuous electrode Z.This DC voltage (Zdc) is between decrement phase, make continuous electrode Z and scan electrode Y that the discharge that descends take place, in simultaneously during address, for preventing that strong discharge takes place between scan electrode Y and continuous electrode Z, between continuous electrode Z and scan electrode Y, perhaps setting voltage is poor between continuous electrode Z and address electrode X.
Between scan electrode Y and continuous electrode Z, add continuous impulse (sus) between continuing phase by turns.The unit of selecting according to address discharge is that wall voltage and the continuous impulse (sus) in the unit forms stack, and is each when additional continuous impulse (sus) takes place, and between scan electrode Y and the continuous electrode Z continuous discharge takes place, that is, take place to indicate and discharge.
Fig. 3 and Fig. 4 are the control block diagrams of the original PDP drive unit of expression.
As shown in the figure, originally the PDP drive unit is by RF stimulus part 10, image signal processing section 20, display screen (display panel) 30, power suppling part divides 40, control section 50, address drive part 14, turntable driving part 15 and continuous drive part 16 are formed.
Power suppling part divides 40 to be to address drive part 14, turntable driving part 15, the driving power of continuous drive part 16 and other various pieces.
Image signal processing section (VSC; Video Scan Converter) the 20th, the input signal of receiving from various input signal source such as wired, wireless is converted to R, G, the video information of B form, and the PDP aspect ratio is carried out convergent-divergent (Scaling) according to video information.Transmit simultaneously the display message (POP (Picture On Picture), Double window has or not image signal, luminance signal rank and/or person's gray scale etc. for aspect ratio, PIP (Picture In Picture)) of pictures to control section 50.For this reason, above-mentioned image signal processing section 20 by the demoder 21 of conversion input image signal and the scalar22 that is used to adjust aspect ratio form.
Address drive part 14 is to the address of PDP 30 electrode supply address data.The address that is linked to each other by most address electrodes in address drive part 14 drives direct loop IC 14a and constitutes.
Turntable driving part 15 is the scan electrode supply scan-datas to PDP 30.The turntable driving part 15 here also is that the turntable driving IC 15a by majority constitutes.Continuous drive part 16 is the continuous electrode supply continuous datas to PDP 30.
Control section 50 is to come the data of above-mentioned address drive part 14 or 15 outputs of turntable driving part are carried out optionally ON/OFF according to above-mentioned picture display message, perhaps keeps.Divide 40 power supplys of supplying to above-mentioned address drive part 14 to above-mentioned power suppling part simultaneously, the drive IC 14a of the plural number of turntable driving part 15,15a carry out the control of selectivity supply, thus the discharge of the unit, picture field of control PDP 30.
Control section 50 is the aspect ratio informations that send out according to by image signal processing section 20, data to address drive part 14 or 15 outputs of turntable driving part are carried out earlier then closing of property, and the power supply of subtend address drive IC 14a and turntable driving IC 15a supply carries out selective control (ON/OFF).
So original PDP drive unit, interference (Noise) signal of being imported during to light current sector signal and improper signal all is judged to be normal data and drives PDP module (Module).Particularly during the built-in model of the analog TV of PDP, during the input of RF light current circle (ex:40dBuV is following) signal, constitute characteristic according to module (Module), display screen temperature rises, and causes part temperatures to improve.
That is, to RF light current sector signal, PDP module undesired signal also receives and is shown as picture according to data, makes each unit of PDP carry out the ON/OFF operation repeatedly, has increased the unnecessary ON/OFF action of drive IC in view of the above, and the IC temperature is risen.
Therefore, the original PDP drive unit of this kind is, to the interference of light current circle, also discharges continuously, strengthened the consumption of electric energy, therefore plant discharge continuously, the thermalization of drive IC and unit causes the shortening in parts and PDP life-span.
Summary of the invention
Therefore, the present invention proposes for addressing the above problem, and isolates from input signal synchronously and undesired signal, preserves after being judged to be the ADC standard, is judged as light current circle when specific rank is above, reduces the continuous data of output, makes it fulfil the low power consuming pattern.The purpose of this invention is exactly this kind PDP drive unit and method thereof.
In order to realize above-mentioned goal of the invention, the present invention takes following technical scheme to realize: the drive unit of PDP comprises: the signal of isolating synchronizing signal and undesired signal from input signal detects part; The above-mentioned synchronizing signal that is detected and undesired signal are converted to the image signal processing section of ADC standard; The above-mentioned ADC standard that has been converted is kept at the preservation part, and above-mentioned ADC standard bits is calibrated accurate when high, and the scope of existing input is judged to be light current circle, reduces output signal, makes its control section by low power consuming pattern output drive signal; Display screen PDP according to above-mentioned drive signal display frame.
The drive unit of aforesaid PDP is characterized in that above-mentioned control section is when above-mentioned ADC standard is lower than predefined specific criteria, and the scope of existing input is judged to be forceful electric power circle, exports normal drive signal.
The drive unit of aforesaid PDP is characterized in that above-mentioned control section reduces the continuous data number of PDP output when above-mentioned low power consuming mode activated.
The drive unit of aforesaid PDP is characterized in that above-mentioned control section is lower than predetermined benchmark synchronizing signal in the synchronizing signal of above-mentioned input, and the predetermined benchmark undesired signal of the jam-to-signal of input is when high, and at that time input range is judged to be light current circle.
The driving method of PDP comprises: detect stage of synchronizing signal and undesired signal in the middle of the signal of input; Above-mentioned synchronizing signal that is detected and undesired signal are converted to the ADC standard, and preserve, when above-mentioned ADC standard is higher than predetermined specific criteria, current input range is judged to be the stage of light current circle; In the above-mentioned stage, when current input range is light current circle, reduce the stage that output signal is exported the drive signal of low power consuming pattern; And come the stage of display frame with above-mentioned drive signal.
The driving method of aforesaid PDP is characterized in that when above-mentioned ADC standard is lower than predetermined specific criteria current input range being judged to be forceful electric power circle, exports the stage of normal drive signal.
The driving method of aforesaid PDP is characterized in that reducing the continuous data number of exporting from display screen when above-mentioned low power consuming mode activated.
The driving method of aforesaid PDP is characterized in that in the synchronizing signal of above-mentioned input lowlyer than predetermined benchmark synchronizing signal, when the predetermined benchmark undesired signal of the jam-to-signal of input wants high, current input range is judged to be light current circle.
The invention has the beneficial effects as follows: according to the PDP drive unit of the present invention and the method thereof of above explanation, from the signal of input, detect and reach undesired signal synchronously, when being higher than specific criteria, be judged as light current circle, to reduce the output continuous data, fulfil battery saving mode, reduce power consumption with the mode that reduces discharge time, prevent the thermalization of drive IC and unit successively, and various effects such as the parts of prolongation and PDP life-span are arranged.
And, to original PDP module to RF light current sector signal, disturb situation about also receiving to change into by detecting synchronizing signal (Sync) and undesired signal with data mode, make its correct decision data, watching under the situation of difficult, strengthen the CST characteristic by the mode of special driver module, and guarantee reliability.
Description of drawings
Fig. 1 is the oblique view of the original Plasma display panel discharge cell structure of expression.
Fig. 2 represents to be the drawing that drives the waveform of Plasma display panel originally.
Fig. 3 and Fig. 4 are the control block diagrams (Control block) of the drive unit of the original Plasma display panel of expression.
Fig. 5 is the control block diagram (Control block) of the said Plasma display panel drive unit according to the present invention.
Fig. 6 is the control flow chart of the said Plasma display panel driving method according to the present invention.
The explanation of drawing major part symbol
100:RF stimulus part 200: image signal processing section
210: demoder (Decoder) 220:scalar
300: display screen (Display panel) 400: signal detects part
500: control section 600: preserve part
Embodiment
Following drawing describes.With original identical inscape, for the purpose of the convenience of explanation, use same title and same symbol, and omit detailed description thereof.
Fig. 5 is the control block diagram of the said PDP drive unit according to the present invention.
According to diagram, PDP drive unit of the present invention is by RF stimulus part 100, demoder 210 and the image signal processing section 200 that comprises scalar220, and display screen 300, signal detect part 400, and control part 500 connects preserves part 600 compositions.
RF stimulus part 100 is input rf signals.It is to detect synchronizing signal (Sync) and undesired signal (Noisestatus) in the middle of the signal of input that signal detects part 400.
Image signal processing section (VSC; Video Scan Converter) the 200th, the input image signal that the input signal source of various wire/wireless signal is sent is converted to R, G, and the B image information is adjusted PDP picture ratio according to video information.For this reason, above-mentioned image signal processing section 200 is to be made of the demoder 210 of conversion input image signal and the scalar220 of adjustment picture ratio.And above-mentioned image signal processing section 200 can be converted to ADC (analog-to-digital converter) standard to above-mentioned synchronizing signal that is detected and undesired signal.
Control section 500 is the above-mentioned ADC standard that has been converted to be saved in preserve part 600, when above-mentioned ADC standard is higher than predetermined specific criteria, judges that current input range is light current circle, and the minimizing output signal, with low power consuming pattern output drive signal.
500 li of above-mentioned control sections, when above-mentioned ADC standard was lower than predetermined specific criteria, current input range was judged as forceful electric power circle, exported normal drive signal, when above-mentioned low power consuming mode activated, reduced the continuous data number of PDP 300 outputs simultaneously.At this moment, above-mentioned control section 500 is lower than predetermined benchmark synchronizing signal in the synchronizing signal of above-mentioned input, and the undesired signal of input is higher than when being scheduled to the benchmark undesired signal, judges that current input range is light current circle.
PDP300 carries out picture according to the drive signal of above-mentioned control section 500 to show.
Fig. 6 is the control flow chart of the said PDP driving method according to the present invention.
Identical with diagram, the present invention comprises in the middle of the signal of input detecting the stage S101-S102 of synchronizing signal and undesired signal; Above-mentioned synchronizing signal that detects and undesired signal are converted to the ADC standard, and preserve S103, when above-mentioned ADC standard was higher than predetermined specific criteria, current input range was judged as the stage S104-S105 of light current circle; In the above-mentioned stage, when current input range is light current circle, reduce output signal, and with the stage S106 of low power consuming pattern output drive signal; When above-mentioned ADC standard was lower than predetermined specific criteria, current input range was judged as forceful electric power circle, the stage S107 of output driven signal; Come the stage S108 of display frame according to above-mentioned drive signal.
During above-mentioned low power consuming mode activated, minimizing is from the continuous data quantity of PDP output, the synchronizing signal of above-mentioned input is lower than predetermined benchmark synchronizing signal, when the benchmark undesired signal that the jam-to-signal of input is scheduled to is high, makes current input range be judged as light current circle.
More detailedly describe as follows to effect of the present invention:
At first, the RF signal is imported by RF stimulus part 100 through airborne spread antenna (ANT), as the S101 stage.
Signal detects part 400 and detect synchronizing signal (Sync) and undesired signal (Noise status) from the signal of above-mentioned RF stimulus part 100 inputs, as the S102 stage.Afterwards, image signal processing section 200 is converted to ADC (analog-to-digital converter) standard to above-mentioned synchronizing signal that is detected and undesired signal, as the S103 stage.
At this moment, observe the process that changes the ADC standard into, perceive variation, after it is taken a sample, judge that its mean value carries out conversion the input signal or the voltage of certain hour.
Control section 500 is saved in the ADC standard of above-mentioned conversion and preserves part 600.Above-mentioned preservation part 600 is preferably used Storage Medias such as HDD, also can be by RAM, and ROM, morphosis such as memory cell such as EPOM and other memory cards.
Also have, above-mentioned preservation part 600 is also preserved the benchmark synchronizing signal that will narrate the back and benchmark undesired signal etc. simultaneously.
And when control section 500 was higher than predetermined specific criteria in above-mentioned ADC standard, current input range was judged as light current circle, and reduced output signal, by low power consuming pattern output drive signal.
That is, above-mentioned control section 500 is that the synchronizing signal in above-mentioned input is lower than predetermined benchmark synchronizing signal, and as the S104 stage, and the undesired signal of input is higher than predetermined benchmark undesired signal, and during the stage, current input range is judged as light current circle as S105.
Then, above-mentioned control section 500 is when the low power consuming mode activated, reduces by the continuous data number of PDP300 output and exports, and PDP300 carries out picture according to the drive signal of above-mentioned control section 500 to show.
That is, during input RF light current circle (ex:40dBuV is following) signal, because the display screen temperature that the characteristic of module causes rises, the little undesired signal that takes place when being judged to be light current circle among the present invention detects, and makes it not be considered to data in order to prevent.
If when data are thought in interference, be basis with these data, reduce the continuous data number, that is, reduce thermal value with the method that reduces briliancy, drive the low power consuming pattern and keep whole good heat generation characteristic.
Simultaneously, when above-mentioned control section 500 was lower than predetermined specific criteria in above-mentioned ADC standard, current input range was judged as forceful electric power circle, and drove normal drive signal, PDP300 carries out picture according to the drive signal of above-mentioned control section 500 to show, as the S107-S108 stage.
Promptly, above-mentioned control section 500 is higher than predetermined benchmark synchronizing signal S104 in the synchronizing signal of above-mentioned input, perhaps the synchronizing signal of above-mentioned input is lower than predetermined benchmark synchronizing signal, and when the undesired signal of input is lower than predetermined benchmark undesired signal, as the S105 stage, current input range is judged to be forceful electric power circle.
And then, when forceful electric power circle, fulfil normal mode, the ADC standard is higher than specific criteria, when being considered to light current circle, make it reduce the continuous data of output, fulfil battery saving mode, reach the purpose that reduces power consumption to reduce discharge time, prevent the thermalization of drive IC and unit according to this mode, prolong parts and PDP life-span.
And, to original PDP module to RF light current sector signal, disturb situation about also receiving to change into by detecting synchronizing signal (Sync) and undesired signal with data mode, make its correct decision data, watching under the situation of difficult, strengthen the CST characteristic by the mode of special driver module, and guarantee reliability.
Above-mentioned the present invention can be applied to the panel display apparatus of PDP and LCD etc., also can be applied to rear-projection TV, general TV display and other imaging equipments, and analog TV, digital TV, and satellite TV also can be applied to.Simultaneously also can be applied to NTSC, PAL, SECAM mode.
Above-mentioned enforcement does not limit the present invention in any form, and all technical schemes that form obtained of taking to be equal to replacement or equivalent transformation all drop within protection scope of the present invention.

Claims (8)

1, the drive unit of PDP comprises: the signal that detects synchronizing signal and undesired signal from the signal of input detects part; The above-mentioned synchronizing signal that detects and undesired signal are converted to the image signal processing section of ADC standard; The above-mentioned ADC of being transformed to standard is saved in the preservation part, and when above-mentioned ADC standard was higher than predetermined specific criteria, current input was judged as light current circle,, drives the control section that the low power consuming pattern is come output drive signal to reduce output signal; Carry out the PDP that picture shows according to above-mentioned drive signal.
2, the drive unit of PDP according to claim 1, it is characterized in that above-mentioned control section is when above-mentioned ADC standard is lower than predetermined specific criteria, current input range is judged to be forceful electric power circle, and output driven signal is the PDP drive unit of feature.
3, the drive unit of PDP according to claim 1 is characterized in that above-mentioned control section is when above-mentioned low power consuming mode activated, reduces the continuous data number of above-mentioned PDP output.
4, the drive unit of PDP according to claim 1, it is characterized in that above-mentioned control section is that synchronizing signal in above-mentioned input is lower than predetermined benchmark synchronizing signal, when the undesired signal of input is higher than predetermined benchmark undesired signal, current input range is judged to be light current circle.
5, the driving method of PDP comprises: the stage that detects synchronizing signal and undesired signal from the signal of input; Above-mentioned synchronizing signal that detects and undesired signal are converted to the ADC standard, and preserve, when above-mentioned ADC standard was higher than predetermined specific criteria, current input range was judged to be the stage of light current circle; In the above-mentioned stage, when current input range is light current circle, reduce output signal, drive the stage that the low power consuming pattern is come output drive signal; Come the stage of display frame according to above-mentioned drive signal.
6, the driving method of PDP according to claim 5 when it is characterized in that above-mentioned ADC standard is lower than predetermined specific criteria, is judged to be forceful electric power circle to current input range, and output driven signal.
7, the driving method of PDP according to claim 5 when it is characterized in that above-mentioned low power consuming mode activated, reduces the continuous data number by PDP output.
8, the driving method of PDP according to claim 5 when the synchronizing signal that it is characterized in that above-mentioned input is lower than predetermined benchmark synchronizing signal, when the undesired signal of input is higher than predetermined benchmark undesired signal, is judged to be light current circle to current input range.
CNA2006101287659A 2005-12-06 2006-09-03 Plasma display screen driving device and its method Pending CN1917008A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050118293 2005-12-06
KR1020050118293A KR100739551B1 (en) 2005-12-06 2005-12-06 Apparatus and method for controlling of plasma display panel

Publications (1)

Publication Number Publication Date
CN1917008A true CN1917008A (en) 2007-02-21

Family

ID=37737997

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006101287659A Pending CN1917008A (en) 2005-12-06 2006-09-03 Plasma display screen driving device and its method

Country Status (2)

Country Link
KR (1) KR100739551B1 (en)
CN (1) CN1917008A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100256502B1 (en) * 1997-10-14 2000-05-15 전주범 A data processing apparatus for pdp television

Also Published As

Publication number Publication date
KR100739551B1 (en) 2007-07-16
KR20070059450A (en) 2007-06-12

Similar Documents

Publication Publication Date Title
CN1787051A (en) Plasma display apparatus and driving method thereof
CN1495691A (en) Method and equipment for driving plasma display panel
CN1855196A (en) Plasma display apparatus and driving method thereof
CN1885384A (en) Plasma display apparatus and method of driving the same
CN100346375C (en) Plasma display and its driving method
CN1722204A (en) Method and apparatus for driving plasma display panel
CN1804969A (en) Plasma display apparatus and driving method thereof
CN1967638A (en) Plasma display apparatus
CN1551067A (en) Plasma display device
CN1797514A (en) Plasma display and driving method thereof
CN1770240A (en) Plasma display panel apparatus and driving method thereof
CN1760958A (en) Method of driving plasma display panel
CN1848216A (en) Plasma display apparatus, plasma display panel, and driving device and method thereof
CN1713251A (en) Plasma display apparatus and driving method thereof
CN1822078A (en) Plasma display apparatus and driving method thereof
CN1917008A (en) Plasma display screen driving device and its method
CN1904984A (en) Plasma display apparatus and its driving method
CN1941040A (en) Plasma display apparatus and drive method thereof
CN1287344C (en) Method and device for driving plasma display panel
CN1897083A (en) Plasma display apparatus and driving method thereof
CN1581409A (en) Plasma display panel, and method and apparatus of driving the same
CN1897087A (en) Plasma display apparatus and method of driving the same
CN1949332A (en) Plasma display apparatus
CN1538372A (en) Method for driving plasma display panel using selective inversion address method
CN1591539A (en) Method and apparatus 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
AD01 Patent right deemed abandoned
C20 Patent right or utility model deemed to be abandoned or is abandoned