CN101488316B - 等离子体显示装置及其驱动方法 - Google Patents
等离子体显示装置及其驱动方法 Download PDFInfo
- Publication number
- CN101488316B CN101488316B CN2009100023892A CN200910002389A CN101488316B CN 101488316 B CN101488316 B CN 101488316B CN 2009100023892 A CN2009100023892 A CN 2009100023892A CN 200910002389 A CN200910002389 A CN 200910002389A CN 101488316 B CN101488316 B CN 101488316B
- Authority
- CN
- China
- Prior art keywords
- address
- subfield
- scan
- electrodes
- pulse
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
-
- 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
- G09G3/204—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames being organized in consecutive sub-frame groups
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/293—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for address discharge
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0218—Addressing of scan or signal lines with collection of electrodes in groups for n-dimensional addressing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
提供了一种等离子体显示装置及其驱动方法。等离子体显示装置被配置为在第一子场中将扫描脉冲施加到扫描电极,以及将多个顺序延迟的寻址脉冲施加到与所述扫描电极相交叉的多个寻址电极。此外,一种等离子体显示装置被配置为在第二子场中将多个寻址脉冲同时施加到所述多个寻址电极,所述第二子场的权重值低于所述第一子场的权重值。从而,可以减少在产生大量电磁干扰(EMI)的所述第一子场中的EMI,以及能够减少在存在产生低放电的高可能性的所述第二子场中的低放电。
Description
技术领域
本发明涉及等离子体显示装置及其驱动方法。
背景技术
等离子体显示装置是一种使用等离子体显示面板(PDP)的显示装置,该等离子体显示面板用于通过经由气体放电所产生的等离子体来显示字符或图像。
通过将一帧划分为多个子场来驱动等离子体显示装置,多个子场中的每一个都具有亮度权重值,并且,该等离子体显示装置通过子场的权重值的组合来显示灰度级。因此,通过使用多个子场的组合执行显示操作。在每一个子场的寻址时段期间,扫描脉冲被顺序地施加到多个扫描电极,以及当扫描脉冲被施加到扫描电极时,寻址脉冲被选择性地施加到多个寻址电极,以便选择发光单元或不发光单元。寻址放电发生在与施以扫描脉冲的扫描电极和施以寻址脉冲的寻址电极相对应的单元中。
当随着扫描脉冲被施加到一个扫描电极而选择大量的发光单元时,寻址脉冲被施加到与发光单元相对应的多个寻址电极。从而,放电电流增加,并产生较多的电磁干扰(EMI)。因此,为了分散放电电流并减少EMI,在不同时间点将寻址脉冲施加到与发光单元相对应的寻址电极。但是,在稍后及时施加寻址脉冲的单元中,可能发生低放电。具体来说,在壁电荷(wallcharge)未充分形成的低灰度级的子场中发生低放电的可能性增加。
在本背景技术部分中所公开的上述信息仅用于增强对本发明的背景的理解,因而其可以包含不构成对本领域普通技术人员而言在本国是已知的现有技术的信息。
发明内容
本发明的示范性实施例提供一种等离子体显示装置及其驱动方法。当将寻址脉冲在不同的时间点施加到发光单元的寻址电极时,该等离子体显示装 置能够减少低放电。
本发明的一个示范性实施例公开了一种通过将一帧划分为多个子场来驱动等离子体显示装置的方法。该等离子体显示装置包括多个扫描电极和与该多个扫描电极交叉的多个寻址电极。根据该方法,在多个子场的第一子场中,将第一扫描脉冲施加到多个扫描电极中的一个扫描电极;当在第一子场中正在将第一扫描脉冲施加到第一扫描电极的同时,在将第一寻址脉冲施加到多个寻址电极的第一寻址电极之后将第二寻址脉冲施加到多个寻址电极中的第二寻址电极;在多个子场的第二子场中,将第二扫描脉冲施加到扫描电极,第二子场的权重值低于第一子场的权重值;当在第二子场中正在将第二扫描脉冲施加到扫描电极的同时,分别将第三和第四寻址脉冲同时施加到第一和第二寻址电极,其中,所述第一寻址脉冲的结束点与所述第二寻址脉冲的结束点相同,以及所述第三寻址脉冲的结束点与所述第四寻址脉冲的结束点相同。
本发明的另一个示范性实施例公开了一种用于驱动等离子体显示装置的方法。该等离子体显示装置包括位于多条扫描线与多个寻址电极之间的交叉区域的多个单元。根据本方法,在第一子场中,将第一扫描脉冲施加到多条扫描线中的一条扫描线,而当该第一扫描脉冲正在施加到该扫描线的同时,将多个顺序延迟的寻址脉冲施加到该多个单元;在第二子场中,将第二扫描脉冲施加到扫描线,而当该第二扫描脉冲正在施加到该扫描线的同时,将多个寻址脉冲同时施加到该多个单元,该第二子场的权重值低于第一子场的权重值,其中,在所述第一子场中,所述多个顺序延迟的寻址脉冲的结束点相同。
本发明的再一个示范性实施例提供一种等离子体显示装置。该等离子体显示装置包括多个扫描电极、多个寻址电极、第一驱动器、第二驱动器和控制器。多个寻址电极与多个扫描电极相交叉。第一驱动器被配置为将扫描脉冲施加到多个扫描电极中的一个扫描电极,第二驱动器被配置为当该扫描脉冲正在施加到该扫描电极的同时,将多个寻址脉冲施加到多个寻址电极。控制器将多个寻址脉冲的起始点设置为在包含于一帧的多个子场中的第一组的每一个子场中是不同的,以及将多个寻址脉冲的起始点设置为在多个子场中的第二组的每一个子场中是相同的,第二组的权重值低于第一组的权重值,其中,所述控制器将所述多个寻址脉冲的结束点设置为在所述第一和第 二组的每一个子场中是相同的。
根据本发明的示范性实施例,由于在高灰度级的子场中,在不同时间将寻址脉冲施加到与多个耦接到一条扫描线的发光单元相对应的A电极,并且,由于在低灰度级的子场中,在相同时间将寻址脉冲施加到与多个耦接到一条扫描线的发光单元相对应的A电极,可以减少EMI和低放电。
附图说明
图1是说明根据本发明的示范性实施例的等离子体显示装置的方框图;
图2是说明根据本发明的示范性实施例的驱动波形的图;
图3是用于根据本发明的示范性实施例施加寻址脉冲的时序图;
图4是说明根据本发明的示范性实施例的寻址电极驱动器的操作的图。
具体实施方式
在下面的详细描述中,简单地通过图示的方式,仅示出并描述了本发明的某些示范性实施例。如本领域的技术人员将理解到的,所述实施例可以以多种不同的方式来修改,而均不脱离本发明的精神或范围。因而,附图和说明应当被视为本质上是说明性的而不是限制性的。贯穿本说明书,相似的参考标号指代相似的元件。
贯穿本说明书,如果某物被描述为“包括组成元件”,则其还可以包括其他的组成元件,除非其被描述为不包括其他组成元件。
在本申请中,壁电荷指的是形成于单元的壁上并与每一个电极接近的电荷,例如,介电层上。尽管壁电荷并不是真正地接触电极,但是为了便于描述,将壁电荷描述为“形成”或“积聚”在电极上。而且,壁电压指的是由壁电荷在单元的壁处所形成的电势差。弱放电指的是弱于在维持时段的维持放电和在寻址时段的寻址放电的放电。
现在将详细地描述根据本发明的示范性实施例的等离子体显示装置及其驱动方法。
图1是说明根据本发明的示范性实施例的等离子体显示装置的方框图。
如图1中所示,根据本发明的示范性实施例的等离子显示装置包括等离子体显示面板100、控制器200、寻址电极驱动器300、维持电极驱动器400和扫描电极驱动器500。
等离子体显示面板100包括多个沿列方向延伸的寻址电极A1~Am(此后,称为“A电极”)以及多个沿行方向延伸的成对的维持电极X1~Xn(此后,称为“X电极”)和扫描电极Y1~Yn(此后,称为“Y电极”)。通常,X电极X1~Xn与各个Y电极Y1~Yn相对应地形成,并且X电极X1~Xn和Y电极Y1~Yn在维持时段期间执行操作,以便显示图像。Y电极Y1~Yn和X电极X1~Xn布置为与A电极A1~Am交叉。多个扫描线由在寻址时段施以扫描脉冲的Y电极Y1~Yn来限定,以及寻址线由施以寻址脉冲的A电极A1~Am来限定。此外,存在于A电极A1~Am以及X和Y电极X1~Xn和Y1~Yn的交叉区域的放电位置形成放电单元110。PDP 100的结构示出一个示范性PDP,以及可施以这里所描述的驱动波形的具有不同结构的面板也可以应用于本发明中。
控制器200从外部接收视频信号并且输出A电极驱动控制信号、X电极驱动控制信号和Y电极驱动控制信号。此外,控制器200通过将一帧划分为多个子场来驱动该帧,其中每一个子场具有一个权重值。每一个子场包括寻址时段和维持时段。
寻址电极驱动器300从控制器200接收A电极驱动控制信号并将驱动电压施加到A电极。
维持电极驱动器400从控制器200接收X电极驱动控制信号并将驱动电压施加到X电极。
扫描电极驱动器500从控制器200接收Y电极驱动控制信号并将驱动电压施加到Y电极。
图2是说明根据本发明的示范性实施例的驱动波形的图。
如图2中所示,在寻址时段期间,为了在每一个子场中从多个放电单元中选择发光单元和非发光单元,维持电极驱动器400将X电极的电压维持在电压Ve,以及扫描电极驱动器500和寻址电极驱动器300将具有电压VscL的扫描脉冲和具有电压Va的寻址脉冲分别施加到Y电极和A电极。此外,扫描电极驱动器500将高于电压VscL的电压VscH施加到未选中Y电极,以及寻址电极驱动器300将地电压施加到非发光单元的A电极。
具体来说,在寻址时段,扫描电极驱动器500将扫描脉冲施加到第一行的Y电极(图1中的Y1),并且同时,寻址电极驱动器300将寻址脉冲施加到与该第一行中的发光单元相对应的A电极。接着,在第一行的Y电极(图 1中的Y1)和已经被施加了寻址脉冲的A电极之间发生寻址放电,从而在Y电极(图1中的Y1)上形成正(+)的壁电荷并且在A和X电极上形成负(-)的壁电荷。接下来,当扫描电极驱动器500将扫描脉冲施加到第二行的Y电极(图1中的Y2)时,寻址电极驱动器300将寻址脉冲施加到与该第二行的发光单元相对应的A电极。接着,在由已施加了寻址脉冲的A电极以及第二行的Y电极(图1中的Y2)形成的单元处发生寻址放电,从而在单元中形成壁电荷。同样地,当扫描电极驱动器500将扫描脉冲顺序施加到其余行的Y电极时,寻址电极驱动器300将寻址脉冲施加到与在其中形成壁电荷的发光单元相对应的A电极。
在维持时段,扫描电极驱动器500将具有高电平电压(图2中的Vs)和低电平电压(图2中的0V)的维持脉冲施加到Y电极许多次,所施加的次数与对应子场的权重值相对应。另外,维持电极驱动器400将与施加到Y电极的维持脉冲的相位相反的维持脉冲施加到X电极。也就是说,当将Vs电压施加到Y电极时,将0V施加到X电极,而当将0V施加到Y电极时,将Vs电压施加到X电极。在这种情况下,Y电极和X电极之间的电压差交替地具有Vs电压和-Vs电压。从而,根据子场中的权重值,在发光单元中重复发生维持放电许多次。
在另一个实施例中,在维持时段期间,将交替地具有Vs电压和-Vs电压的维持脉冲仅施加到Y电极或X电极,并且0V的电压可以施加到Y电极或X电极的其他电极。在这个实施例中,因为Y电极和X电极之间的电压差也交替地具有Vs电压和-Vs电压,所以在发光单元处发生维持放电。
接下来,参照图3,将详细地描述当将扫描脉冲施加到扫描电极时,用于将寻址脉冲施加到与发光单元对应的A电极的时序。
图3说明根据本发明的示范性实施例的施加寻址脉冲的时序,以及图4说明根据本发明的示范性实施例的寻址电极驱动器的操作。
如图3中所示,一帧包括:11个子场SF1~SF11,分别具有权重值1、2、3、5、8、12、18、19、40、59和78;以及可以从灰度级0显示到灰度级255的各灰度级。此外,为了更好的理解及描述的方便,图3仅示出一个扫描电极Y1和四个A电极A1~A4。另外,图3示出当扫描脉冲施加到扫描电极Y1的同时,寻址脉冲施加到A电极A1~A3而不施加到A电极A4。
再参照图3,根据权重值将多个子场划分为两个子场组。当在具有低权 重值的第一子场组的每一个寻址时段将扫描脉冲施加到扫描电极Y1的同时,寻址电极驱动器300将寻址脉冲同时施加到A电极A1~A3。另外,当在具有高权重值(例如,比第一子场组的权重值高的权重值)的第二子场组的每一个寻址时段将扫描脉冲施加到扫描电极Y1时,寻址电极驱动器300在不同时间将寻址脉冲施加到A电极A1~A3。
具体地,在第二子场组的每一个寻址时段,当将扫描脉冲施加到Y电极Y1时,寻址电极驱动器300将A电极A1的电压从电压0V变化到电压Va,并且在时间间隔t1(例如,预定的时间间隔)之后,将A电极A2的电压从电压0V变化到电压Va,该时间间隔从将Y电极Y1的电压从电压VscH变化到电压VscL的起始点处开始。此外,在时间间隔t2(例如,预定的时间间隔)之后,寻址电极驱动器300将A电极A3的电压从电压0V变化到电压Va,该时间间隔从将Y电极Y1的电压从电压VscH变化到电压VscL的起始点处开始。另外,寻址电极驱动器300将A电极A1~A3的电压同时从电压Va变化到电压0V。
通常,由于在第一子场组的每一个子场中的维持脉冲的数量小于在第二子场组的每一个子场中的维持脉冲的数量,因而在单元中未充分形成壁电荷。因此,当在不同时间将寻址脉冲施加到A电极A1~A3时,在扫描电极Y1和A电极A3之间会发生低放电,其中寻址脉冲被施加到A电极A3晚于A电极A1和A2。
然而,由于施加到具有高权重值的第二子场组的每一子场中的维持脉冲的数量大于施加到第一子场组的每一个子场中的维持脉冲的数量,因而在单元中充分地形成壁电荷。因此,即使当寻址脉冲在不同时间施加到A电极A1~A3,也存在降低将要发生在扫描电极Y1和A电极A3之间的低放电的可能性,该A电极A3在第二子场组的每一个子场的每一个寻址时段被施加以延迟的寻址脉冲。
另外,当在第二子场组的每个子场的每一寻址时段中将寻址脉冲同时施加到A电极A1~A3时,在单元中形成壁电荷,并且大的放电电流会产生大量的EMI。然而,即使在第一子场的每个子场的每一寻址时段中将寻址脉冲同时施加到A电极A1~A3,也会不产生EMI。
因此,根据本发明的示范性实施例,在具有低权重值的第一子场组的每个子场的每一寻址时段中将寻址脉冲同时施加到A电极A1~A3,以及在具 有高权重值的第二子场的每个子场的每一寻址时段中将寻址脉冲在不同时间施加到A电极A1~A3。于是,可以解决或减少EMI和低放电问题。
如图4中所示,寻址电极驱动器300包括多个寻址驱动集成电路310a和310b,以及多个寻址驱动集成电路310a和310b分别具有多个输出端。寻址驱动集成电路310a和310b的多个输出端分别连接到与输出端的数量相对应的A电极A1~Am。例如,寻址驱动集成电路310a的输出端可以分别与A电极A1~A256相耦接,以及寻址驱动集成电路310b的输出端可以分别与A电极A257~A512相耦接。
寻址驱动集成电路310a和310b将延迟的寻址脉冲顺序施加于耦接到多个输出端的多个寻址电极A1~Am。在图4所示的实施例中,寻址驱动集成电路310a的多个输出端分别与A电极A1~A256相耦接,以及寻址驱动集成电路310b的多个输出端分别与A电极A257~A512相耦接。依照以下将寻址脉冲施加到A电极A1~A512:寻址驱动集成电路310a和310b开始将寻址脉冲施加到A电极A1和A257;在时间间隔T1(例如,预定的时间间隔)之后,开始将寻址脉冲施加到A电极A2和A258;以及在时间间隔T2(例如,预定的时间间隔)之后,开始将寻址脉冲施加到A电极A3和A259。
这个顺序继续贯穿其余的寻址电极A4至A255以及A260至A511,直到在时间间隔Tn(例如,预定的时间间隔)之后,寻址驱动电路310a和310b开始将寻址脉冲施加到A电极A256和A512。
虽然已经结合当前被视为是实用的示范性实施例描述了本发明,但是应该理解,本发明并不限制于本公开的实施例,而是相反地,本发明旨在覆盖包含在所附权利要求和它们的等价物的精神和范围之内的各种修改和等价布置。
Claims (7)
1.一种通过将一帧划分为多个子场来驱动等离子体显示装置的方法,所述等离子体显示装置包括多个扫描电极和与该多个扫描电极相交叉的多个寻址电极,所述方法包括:
在所述多个子场的第一子场中,将第一扫描脉冲施加到所述多个扫描电极中的一个扫描电极;
在所述第一子场中正在将所述第一扫描脉冲施加到所述扫描电极的同时,在将第一寻址脉冲施加到所述多个寻址电极中的第一寻址电极之后将第二寻址脉冲施加到所述多个寻址电极中的第二寻址电极;
在所述多个子场的第二子场中,将第二扫描脉冲施加到所述扫描电极,所述第二子场的权重值小于所述第一子场的权重值;以及
当在所述第二子场中正在将所述第二扫描电极施加到所述扫描电极的同时,分别将第三寻址脉冲和第四寻址脉冲同时施加到所述第一寻址电极和第二寻址电极,
其中,所述第一寻址脉冲的结束点与所述第二寻址脉冲的结束点相同,以及所述第三寻址脉冲的结束点与所述第四寻址脉冲的结束点相同。
2.根据权利要求1所述的方法,其中,所述第二寻址脉冲的起始点晚于所述第一寻址脉冲的起始点,以及所述第三寻址脉冲的起始点与所述第四寻址脉冲的起始点相同。
3.根据权利要求1所述的方法,其中,所述第一和第二寻址脉冲各自具有高电平电压和低电平电压,以及在所述第一子场中施加所述第二寻址脉冲包括:
在将所述第一寻址电极的电压从所述低电平电压变化到所述高电平电压之后,将所述第二寻址电极的电压从所述低电平电压变化到所述高电平电压;
将所述第一和第二寻址电极的电压维持在所述高电平电压;以及
将所述第一和第二寻址电极的电压同时从所述高电平电压变化到所述低电平电压。
4.一种驱动等离子体显示装置的方法,该等离子体显示装置包括位于多条扫描线和多个寻址电极之间的交叉区域的多个单元,所述方法包括:
在第一子场中,将第一扫描脉冲施加到所述多条扫描线中的一条扫描线;
当正在将所述第一扫描脉冲施加到所述扫描线的同时,将多个顺序延迟的寻址脉冲施加到所述多个单元;
在第二子场中,将第二扫描脉冲施加到所述扫描线,所述第二子场的权重值低于所述第一子场的权重值;以及
当正在将所述第二扫描脉冲施加到所述扫描线的同时,将多个寻址脉冲同时施加到所述多个单元,
其中,在所述第一子场中,所述多个顺序延迟的寻址脉冲的结束点相同。
5.根据权利要求4所述的方法,其中,在所述第一子场中,所述多个顺序延迟的寻址脉冲在由寻址驱动电路延迟后输出的,该寻址驱动电路输出所述多个顺序延迟的寻址脉冲。
6.一种等离子体显示装置,包括:
多个扫描电极;
多个寻址电极,其与所述多个扫描电极相交叉;
第一驱动器,用于将扫描脉冲施加到所述多个扫描电极中的一个扫描电极;
第二驱动器,当正在将所述扫描脉冲施加到所述扫描电极的同时,其将多个寻址脉冲施加到多个寻址电极;以及
控制器,用于将所述多个寻址脉冲的起始点设置为在包含于一帧中的多个子场中第一组的每一子场中是不同的,以及用于将所述多个寻址脉冲的起始点设置为在所述多个子场中第二组的每一个子场中是相同的,所述第二组具有的权重值小于所述第一组的权重值,
其中,所述控制器将所述多个寻址脉冲的结束点设置为在所述第一和第二组的每一个子场中是相同的。
7.根据权利要求6所述的等离子显示装置,其中,所述第二驱动器包括寻址驱动集成电路,该寻址驱动集成电路具有多个与所述多个寻址电极相耦接的输出端,所述寻址驱动集成电路由所述控制器来控制,
其中,所述寻址驱动集成电路被配置为在所述第一组的每一个子场中以延迟逐渐增加的开始时间的次序来输出寻址脉冲,以及在所述第二组的每一个子场中同时输出所述多个寻址脉冲。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR4409/08 | 2008-01-15 | ||
KR1020080004409A KR20090078532A (ko) | 2008-01-15 | 2008-01-15 | 플라즈마 표시 장치 및 그 구동 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101488316A CN101488316A (zh) | 2009-07-22 |
CN101488316B true CN101488316B (zh) | 2011-02-09 |
Family
ID=40451193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100023892A Expired - Fee Related CN101488316B (zh) | 2008-01-15 | 2009-01-12 | 等离子体显示装置及其驱动方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090179885A1 (zh) |
EP (1) | EP2081174A3 (zh) |
KR (1) | KR20090078532A (zh) |
CN (1) | CN101488316B (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1963898A (zh) * | 2005-11-07 | 2007-05-16 | Lg电子株式会社 | 等离子体显示装置及其驱动方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2953342B2 (ja) * | 1995-04-28 | 1999-09-27 | 日本電気株式会社 | プラズマディスプレイパネルの駆動方法 |
JP2950270B2 (ja) * | 1997-01-10 | 1999-09-20 | 日本電気株式会社 | 交流放電メモリ型プラズマディスプレイパネルの駆動方法 |
KR100774909B1 (ko) * | 2004-11-16 | 2007-11-09 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널의 구동방법 |
KR100692867B1 (ko) * | 2005-05-10 | 2007-03-12 | 엘지전자 주식회사 | 플라즈마 디스플레이 장치 및 그의 구동 방법 |
-
2008
- 2008-01-15 KR KR1020080004409A patent/KR20090078532A/ko not_active Ceased
-
2009
- 2009-01-05 EP EP09150071A patent/EP2081174A3/en not_active Withdrawn
- 2009-01-09 US US12/351,481 patent/US20090179885A1/en not_active Abandoned
- 2009-01-12 CN CN2009100023892A patent/CN101488316B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1963898A (zh) * | 2005-11-07 | 2007-05-16 | Lg电子株式会社 | 等离子体显示装置及其驱动方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101488316A (zh) | 2009-07-22 |
KR20090078532A (ko) | 2009-07-20 |
EP2081174A3 (en) | 2010-07-07 |
US20090179885A1 (en) | 2009-07-16 |
EP2081174A2 (en) | 2009-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3365324B2 (ja) | プラズマディスプレイ及びその駆動方法 | |
KR100743085B1 (ko) | 플라즈마 디스플레이 장치 | |
US20050264477A1 (en) | Plasma display panel driving method | |
CN100392702C (zh) | 等离子显示面板驱动方法,其灰度显示方法及显示装置 | |
US8111211B2 (en) | Plasma display comprising at least first and second groups of electrodes and driving method thereof | |
CN100428299C (zh) | 等离子体显示装置和用于稳定寻址放电的驱动方法 | |
CN100399388C (zh) | 等离子体显示装置及其驱动方法 | |
CN1953015A (zh) | 等离子体显示设备的驱动方法 | |
KR100536206B1 (ko) | 플라즈마 표시장치 및 이의 구동방법 | |
CN101488316B (zh) | 等离子体显示装置及其驱动方法 | |
EP2079071B1 (en) | Plasma display device and method of driving the same | |
KR20060126104A (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
CN101226717A (zh) | 等离子体显示器和驱动等离子体显示面板的方法 | |
KR100740109B1 (ko) | 플라즈마 표시 장치의 구동 방법 | |
KR100627405B1 (ko) | 플라즈마 표시장치 및 이의 구동방법 | |
KR100740095B1 (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
KR100739576B1 (ko) | 플라즈마 표시 장치의 구동 방법 | |
KR100649241B1 (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
KR100778448B1 (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
KR20060040791A (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
KR100560513B1 (ko) | 플라즈마 디스플레이 패널의 구동 방법 및 플라즈마 표시장치 | |
KR100705821B1 (ko) | 플라즈마 디스플레이 패널의 구동장치 및 구동방법 | |
KR100759397B1 (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
KR100649258B1 (ko) | 플라즈마 표시 장치 및 그 구동 방법 | |
CN100423054C (zh) | 等离子体显示板的驱动方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130112 |