CN100463028C - Energy recovery circuit drive method for plasma display panel - Google Patents
Energy recovery circuit drive method for plasma display panel Download PDFInfo
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- CN100463028C CN100463028C CNB2006101533456A CN200610153345A CN100463028C CN 100463028 C CN100463028 C CN 100463028C CN B2006101533456 A CNB2006101533456 A CN B2006101533456A CN 200610153345 A CN200610153345 A CN 200610153345A CN 100463028 C CN100463028 C CN 100463028C
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- energy recovery
- circuit
- keeping
- drive
- pulse
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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
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
- G09G3/2965—Driving circuits for producing the waveforms applied to the driving electrodes using inductors for energy recovery
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (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)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
The present invention discloses an energy recovery circuit drive method for plasma display panel, wherein the different operating of the energy recovery circuit are controlled according to the different inputting positions of the maintaining pulse when the maintaining electrode of the panel is driven. The energy recovery(ER)circuit is a circuit that when the singular subfield and the dual subfield are different or the subfield is divided into a beginning half part, a middle half part and a final half part, the operating of the beginning half part and the final half part are the same; and when the driving of the beginning half part and the middle half part are different or the subfield is divided into a beginning half part and a final half part, the driving of the beginning half part and the final half part are different. The present invention can obtain the effects that the initial high-luminance can be obtained and the luminance can be adjusted.
Description
One, technical field
The present invention relates to a kind of Plasmia indicating panel, energy recovery (ER) circuit drive method of specifically a kind of Plasmia indicating panel (being designated hereinafter simply as " PDP ").
According to the position of keeping pulse input and control energy reclaims (ER) circuit and has or not and drive or (er_up) time of supply and recovery (er_dn) time, be effect when particularly keeping electrode drive about energy recovery (ER) circuit drive method that can reach high-brightness PDP.
Two, background technology
PDP drives generally by (Reset) interval that resets, addressing (address) (scanning) interval, keeping (sustain) interval drives, above-mentioned Reset interval is the interval that whole unit (cell) state that constitutes panel is evenly formed, be that decision unit (cell) has or not the interval of sign between addressed area, keep the interval and be the interval that discharge causes of keeping in unit (cell) that the addressing interval selection indicates.
Above-mentioned keeping intervally kept electrode (Y to what constitute panel, the Z electrode) pulse is kept in input in, respectively keep electrode (Y by being connected in, Z) energy recovery of drive division (ER) circuit, keep the energy that is recovered to energy recovery (ER) circuit before the pulse input be input as respectively keep electrode after input keep voltage, the above-mentioned energy of keeping voltage input its input of back reclaims the back storage by energy recovery (ER) circuit, here, it is irrelevant with the part of keeping the pulse input and son field importing the time of reclaiming the back by energy recovery (ER) circuit in the electrode respectively keeping of panel, can keep the identical time always, that is, keep position of keeping pulse and son field that has service time and recovery time when importing in the electrode and the location independent of keeping the pulse input.
Fig. 1 is the above-mentioned embodiment oscillogram of keeping pulse, as shown in the figure, keeps beginning part (1.) pulse of keeping pulse of pulse input and the pulse of center section (2.), also has the pulse shape of latter half (3.) identical.Promptly, driving the method for keeping among original PDP is to keep running energy recovery (ER) circuit when pulse is kept in every input in the electrode, with the interval beginning part of keeping of keeping the pulse input, center section, latter half has nothing to do and input service time (t1) method of keeping pulse identical with recovery time (t2).In addition, original PD
Among the P since be input to keep electrode to keep the pulse service time identical with recovery time, therefore, regulate brightness by the umber of pulse of keeping of input.But the energy recovery that possesses among original PDP (ER) circuit is all can operate when pulse is kept in every input in keeping electrode, therefore, runs into the problem that is difficult to reach high brightness when driving in the early stage.
Three, summary of the invention
In order to address the above problem, the purpose of this invention is to provide a kind of keeping in the determined position of keeping pulse imported in the electrode or the order and do not drive energy recovery (ER) circuit, or control energy service time and energy recovery time, the initial stage high brightness is provided and can regulates PDP energy recovery (ER) driving method of brightness.
To achieve the above object, the present invention panel keep electrode drive the time according to the position of keeping pulse input and the running of energy recovery (ER) circuit is not all feature.
In addition, above-mentioned energy recovery (ER) circuit is to drive in odd number field and the even numbers field not to be all feature.
In addition, above-mentioned energy recovery (ER) circuit is that sub-place is divided into half one just, in half one, when latter half of at the beginning of half one with latter half of identical running and first half one and in half one drive and be not all feature.
In addition, above-mentioned energy recovery (ER) circuit is divided into first half and when latter half of in sub-place, and first half and the driving of latter half of son are not all feature.
In addition, above-mentioned energy recovery (ER) circuit is keeping not drive between the number of pulses and being feature of having set at initial stage of the first second son field.
Beneficial effect of the present invention is as follows:
The present invention keeps keeping in determined position of pulse or the order of electrode and does not carry out energy recovery (ER) drives according to being input to, or control energy service time and energy recovery (ER) the time effect that reaches the initial stage high brightness and can regulate brightness.
Four, description of drawings
Fig. 1 is for being input to a kind of embodiment oscillogram of keeping pulse correlation of keeping electrode among original PDP.
Fig. 2 is for carrying out the relevant formation picture of device of PDP energy recovery of the present invention (ER) circuit drive method.
A kind of embodiment oscillogram of the energy recovery that Fig. 3 is correlated with for the present invention (ER) circuit drive method.
Another embodiment oscillogram of the energy recovery that Fig. 4 is correlated with for the present invention (ER) circuit drive method.
Another embodiment oscillogram of the energy recovery that Fig. 5 is correlated with for the present invention (ER) circuit drive method.
Five, embodiment
Below the embodiment accompanying drawing of being correlated with reference the present invention illustrate.
At first, illustrate when of the present invention, if relevant known technology or constitute relevant specifics explanation be judged as for main points of the present invention there is no need influence the time its detailed explanation just dispense.
Main points of the present invention are to connect the position of keeping pulse according to input with the energy recovery of respectively keeping electrode drive portion (ER) circuit to come different controlling and driving to have or not to reach initial stage high brightness and adjusting brightness.
The driving of above-mentioned energy recovery (ER) circuit have or not be according to each the son in keep pulse position or the order, or decide according to the position or the order of son, for the purposes of the present invention-initial stage high brightness and brightness regulation and regulate the service time of keeping pulse or energy recovery (ER) circuit is not driven on determined position.The driving that above-mentioned energy recovery (ER) circuit is relevant has or not can most situations, and it is as follows lifting a related example:
The first, in order to reach high brightness, keeping that the initial stage has been set in first son field do not drive energy recovery (ER) circuit between the pulse.
The second, odd number drives energy recovery (ER) circuit in the field, and does not drive energy recovery (ER) circuit in even numbers field.
Certainly, can in odd number field, not drive energy recovery (ER) circuit yet, in even numbers field, drive energy recovery (ER) circuit.
The 3rd, the bundle place is divided into half one just, in half one, after latter half of in half one drive energy recovery (ER) circuit and first half one and latter half of in do not drive energy recovery (ER) circuit, certainly, also can carry out opposite method, exactly first half one and latter half of in drive energy recovery (ER) circuit and in half one do not drive energy recovery (ER) circuit.
The 4th, the bundle place is divided into first half and latter half of back at first half driving energy recovery (ER) circuit and at latter half of energy recovery (ER) circuit that do not drive, certainly, also can carry out opposite method, not drive energy recovery (ER) circuit at first half at latter half of driving energy recovery (ER) circuit.
Fig. 2 is for carrying out the relevant formation picture of device of PDP energy recovery of the present invention (ER) circuit drive method.Comprise Y electrode energy recovery (ER) drives portion 10, Y keeps and scanning driving part 20, panel30, and Z electrode energy recovery (ER) drives portion 50, Z keeps electrode drive portion 40 and constitutes.Though do not illustrate, but in order to control the switch means (not shown) that constitute above-mentioned each drive division, the control part (not shown) that preferably possesses output switch control signal, with this relevant technology item is the technology item that all people who is engaged in relevant industries know, therefore, here be not elaborated.
With reference to Fig. 2, the function of Y electrode energy recovery (ER) drives portion 10 is energy that supply in the Y electrode that constitutes panel30 is reclaimed, and recovers energy from the Y electrode.
Y keeps and the function of scanning driving part 20 is to supply with scanning impulse between addressed area in the Y electrode, keeps to supply with in interval and keeps pulse.
The function of Z electrode energy recovery (ER) drives portion 50 is energize in the Z electrode that constitutes panel30, and recovers energy from the Z electrode.
The function that Z keeps (suatain) drive division 40 is to supply with in the Z electrode to keep pulse in keeping the interval.
In addition, whether keep the relevant driving of energy recovery (ER) the drives portion that supplies with before and after the pulse and recover energy 10,50 be Zi Chang position according to frame (Frame) in input in Y electrode and the Z electrode, order or son field change keeping the keeping pulse position of interval, a kind of control method that energy recovery (ER) drives portion is relevant is carried out the control part of output switch control signal, control method is not limited thereto method, and all methods whether decision energy recovery (ER) drives portion drives can be used.
A kind of embodiment oscillogram of the energy recovery that Fig. 3 is correlated with for the present invention (ER) circuit drive method.The sub-place that can know frame (Frame) is divided into first half (1.) and latter half of (2.), and can know that first half and the latter half of pulse waveform of keeping are wrong.
With reference to Fig. 3, frame (Frame) constitutes 8 sons and (during sub1 ~ sub8) 8 son fields respectively is divided into 4 and divide into first half time (sub1 ~ sub4) (1.) and latter half of son field (sub5 ~ sub8) (2.), above-mentioned first half keep interval intake reclaim (ER) circuit (energy recovery (ER) drives portion) not driving condition keep pulse, above-mentioned latter half of son keep the pulse of keeping that interval intake reclaims (ER) drives state.Promptly, keeping in the interval in order to import of first half do not possess energy service time and the keeping pulse of energy recovery time and do not drive energy recovery (ER) circuit, to possess energy service time (t3) and the keeping pulse of recovery time (t4) and energy recovery (ER) circuit is driven latter half of keeping in the interval in order importing.This method is to have eliminated energy service time and recovery time in the early stage and increase maximum brightness, intake service time and recovery time and reduce the method that consumes electric power and improve maximum brightness and discharge stabilization when stablizing to some extent.Certainly, above-mentioned first half and latter half of son keep keeping pulse waveform and can changing mutually of interval input, promptly, first half keep the interval pulse of keeping that energy recovery (ER) input has energy service time and recovery time that drives, latter half of son keep the pulse of keeping that interval input does not have energy service time and recovery time.
Another embodiment oscillogram of the energy recovery that Fig. 4 is correlated with for the present invention (ER) circuit drive method.As shown in the figure, the son field of frame (Frame) is divided into half one (A) just, in half one (B), latter half of (C), and in half one keep pulse waveform and first half one and latter half of to keep pulse waveform different.With reference to Fig. 4, preceding two son fields are set at half one just in 8 son fields, half one during other 4 son fields are set at, last 2 son fields are set at latter half of son field, the pulse of keeping with energy service time (t3) and recovery time (t4) is imported in the interval of keeping of first half one and latter half of son field, in half son keep the pulse of keeping that interval input does not have energy service time and recovery time, certainly, above-mentioned half one just and latter half of input keep pulse waveform and in the keeping pulse waveform and can import on the contrary of half input, above-mentioned half one just, in half one, the keeping pulse waveform and also can more become of latter half of sub-number and input according to situation.
Another embodiment oscillogram of the energy recovery that Fig. 5 is correlated with for the present invention (ER) circuit drive method.Being input into the first second son field (sub1), to keep interval keeping in the quantity of having only regulation in the pulse be not have energy service time and recovery time.Promptly, the keeping the keeping that the energy recovery of keeping the quantity degree (ER) circuit of having set in the pulse does not drive of interval input of the first second son field and in keeping electrode, supply with the pulse of keeping that does not have energy service time and recovery time, other are remaining keeps keeping of interval and residue and drives energy recovery (ER) circuit in the interval, supplies with the pulse of keeping with energy service time (t3) and recovery time (t4).
This driving method is in a frame (Frame), making the initial stage set number of sustain pulses does not have energy service time and recovery time and does not drive energy recovery (ER) circuit, it is later keeps pulse and begins to drive energy recovery (ER) circuit and reach the initial stage high brightness, and energy recovery (ER) running by stability reduces consumption electric power.Simultaneously, though do not illustrate, but in sub odd number second son field of configuration frame (Frame), do not carry out the driving of energy recovery (ER) circuit and import the pulse of keeping with energy service time and recovery time, in even numbers number of times field, drive energy recovery (ER) circuit and import the pulse of keeping with energy service time and recovery time, certainly, the waveform of each input can be opposite with above-mentioned situation in odd number second son field and the even numbers second son field.In addition, can mix the more than one method of using in the method for above-mentioned explanation, for example, the bundle place is divided into half one just, in half one, latter half of, only in first half one and the latter half of driving of carrying out energy recovery (ER) circuit, can not drive in the energy recovery of having set of keeping about number of pulses (ER) of the first half first second son field.In addition, judge bar (Rod) size that hangs among the panel, select to use more than one methods in the said method according to the Rod size, hanging over the relevant driving method selection course of the Rod size of panel and Rod thereof size is to be decided by PDP manufacturer, is all technique known items of all personnel that are engaged in the industry with this relevant technology item.
Have or not according to the driving of energy recovery (ER) circuit in the detailed description of the present invention and illustrate, but, be not limited only to this, also can understand energy service time and recovery time and keep the keeping pulse position or order of electrode and different control drives energy recovery (ER) circuit, therefore the effect that can reach the initial stage high brightness and can regulate brightness according to being input to.
The present invention keeps keeping in determined position of pulse or the order of electrode and does not carry out energy recovery (ER) drives according to being input to, or control energy service time and energy recovery (ER) the time effect that reaches the initial stage high brightness and can regulate brightness.
Claims (3)
1. the energy recovery circuit drive method of a Plasmia indicating panel is characterized in that: energy recovering circuit driving in odd number and even numbers is different; The energy recovering circuit that odd number is sub drives, and the energy recovering circuit that even numbers is sub does not drive or the energy recovering circuit of even numbers field drives, and the energy recovering circuit of odd number field does not drive.
2. the energy recovery circuit drive method of Plasmia indicating panel according to claim 1, it is characterized in that: the sub-place of energy recovering circuit is divided into half one just, in half one, when latter half of, first half one and latter half of identical running, first half one and in half different driving; In the energy recovering circuit of half one drive, first half one and latter half of the driving or first half one and latter half of the driving, in the energy recovering circuit of half one do not drive.
3. the energy recovery circuit drive method of Plasmia indicating panel according to claim 1, it is characterized in that: the sub-place of energy recovering circuit is divided into first half and when latter half of, first half field drives with a latter half of son energy recovering circuit that drives in the different first half field, energy recovering circuit in the latter half of son do not drive or latter half of son in energy recovering circuit drive, the energy recovering circuit in first half does not drive.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050097737 | 2005-10-17 | ||
| KR1020050097737A KR100757426B1 (en) | 2005-10-17 | 2005-10-17 | Method for driving energy recovery circuit of plasma display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1917012A CN1917012A (en) | 2007-02-21 |
| CN100463028C true CN100463028C (en) | 2009-02-18 |
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ID=37738000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101533456A Expired - Fee Related CN100463028C (en) | 2005-10-17 | 2006-09-12 | Energy recovery circuit drive method for plasma display panel |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100757426B1 (en) |
| CN (1) | CN100463028C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559815B1 (en) * | 1999-06-30 | 2003-05-06 | Samsung Sdi Co., Ltd. | Plasma display panel with improved recovery energy efficiency and driving method thereof |
| JP2005037943A (en) * | 2003-07-15 | 2005-02-10 | Lg Electronics Inc | Plasma display panel and its driving method |
| CN1667680A (en) * | 2004-03-10 | 2005-09-14 | 三星Sdi株式会社 | Plasma display panel and energy recovery circuit timing control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3630290B2 (en) * | 1998-09-28 | 2005-03-16 | パイオニアプラズマディスプレイ株式会社 | Method for driving plasma display panel and plasma display |
-
2005
- 2005-10-17 KR KR1020050097737A patent/KR100757426B1/en not_active IP Right Cessation
-
2006
- 2006-09-12 CN CNB2006101533456A patent/CN100463028C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559815B1 (en) * | 1999-06-30 | 2003-05-06 | Samsung Sdi Co., Ltd. | Plasma display panel with improved recovery energy efficiency and driving method thereof |
| JP2005037943A (en) * | 2003-07-15 | 2005-02-10 | Lg Electronics Inc | Plasma display panel and its driving method |
| CN1667680A (en) * | 2004-03-10 | 2005-09-14 | 三星Sdi株式会社 | Plasma display panel and energy recovery circuit timing control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1917012A (en) | 2007-02-21 |
| KR100757426B1 (en) | 2007-09-11 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING LG XINGANG DISPLAY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (NANJING) PLASMA CO., LTD. Effective date: 20090522 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090522 Address after: No. 346 Yao Yao Avenue, Nanjing Economic Development Zone, Jiangsu, China Patentee after: LG Electronics Nanjing Display Co., Ltd. Address before: No. 77 Hengtong Road, Nanjing Economic Development Zone, Jiangsu Patentee before: LG Electronics (Nanjing) Plasma Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20091012 |