CN100440283C - 等离子体显示板的驱动方法 - Google Patents
等离子体显示板的驱动方法 Download PDFInfo
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Abstract
具有在背面基板上设置的隔壁,以区分显示电极对和数据电极对置构成的各个主放电单元,同时区分在扫描电极中相邻的两个扫描电极的间隙间构成的起爆放电单元,隔壁的顶部与前面基板接触而形成。驱动方法是在奇数行写入期间,对奇数扫描电极SCp依次施加扫描脉冲Va,对偶数维持电极SUp+1施加用于与奇数扫描电极SCp之间产生起爆放电的电压Vq,在偶数行写入期间,对偶数扫描电极SCp+1依次施加扫描脉冲Va,对奇数扫描电极SCp施加用于与偶数扫描电极SCp+1之间产生起爆放电的电压Vq。
Description
技术领域
本发明涉及用于壁挂电视和大型监视器等中的等离子体显示板的驱动方法。
背景技术
等离子体显示板(以下简称为PDP或者显示板)是以大画面、薄型、轻量为特征的视觉识别性优良的显示器。
作为PDP代表性的交流表面放电型显示板,在被相对配置的前面板和背面板之间形成多个放电单元。前面板在前面玻璃基板上相互平行地形成多对由扫描电极和维持电极构成的显示电极,并形成绝缘体层和保护层,以覆盖这些显示电极。背面板分别在背面玻璃基板上形成多个平行的数据电极、可覆盖这些电极的绝缘体层、进而在其之上形成与数据电极平行的多个隔壁,在绝缘体层的表面和隔壁的侧面形成荧光体层。然后,以使显示电极和数据电极立体交叉来对置配置前面板和背面板并密封,在内部的放电空间中封入放电气体。在这样构成的显示板中,在各放电单元内通过气体放电产生紫外线,以该紫外线使RGB各色的荧光体激励发光,从而进行彩色显示。
作为驱动显示板的方法,一般有子场(field)法,即将一场期间分割为多个子场后,通过发光的子场的组合进行灰度显示的方法。这里,各子场具有初始化期间、写入期间和维持期间。
在初始化期间,在所有的放电单元中一起进行初始化放电,消除对于在此之前的各个放电单元的壁电荷的历史,同时形成用于下一个写入动作所需要的壁电荷。此外,还具有产生用于减小放电延迟,稳定产生写入放电的起爆(priming)(用于放电的起爆剂=激励粒子)的作用。在写入期间,对扫描电极施加依次扫描脉冲,同时对数据电极施加与要显示的图像信号对应的写入脉冲,在扫描电极和数据电极之间选择性地产生写入放电,形成选择性的壁电荷。在随后的维持期间,在扫描电极和维持电极之间施加规定次数的维持脉冲,使通过写入放电进行了壁电荷形成的放电单元选择性地放电发光。
这样,为了正确地显示图像,确实地执行写入期间选择性的写入放电非常重要,但是由于电路结构上的制约而不能在写入脉冲中使用高电压、在数据电极上形成的荧光体层难以产生放电等,与写入放电有关,增大放电延迟的原因很多。因此,用于稳定产生写入放电的起爆非常重要。
但是,由于放电而产生的起爆随着时间而急剧减少。因此,在上述的显示板的驱动方法中,存在对于从初始化放电起经过了长时间以后的写入放电,在初始化放电中产生的起爆不足,从而放电延迟变大,写入动作不稳定,从而图像显示品质降低的问题。或者,存在较长地设定用于稳定地进行写入动作的写入时间,其结果,在写入期间花费的时间变得过大的问题。
为了解决这些问题,提出了利用在显示板的前面板设置的起爆放电单元产生起爆,减小放电延迟的显示板及其驱动方法。(例如参照日本专利特开2002-150949号公报)。
但是,在上述的显示板中,相邻的放电单元容易引起相互干涉,特别是在写入期间,存在受到随着相邻的放电单元的写入放电而产生的起爆(priming)的影响,或者产生误写入或者写入不良的危险,因此,存在写入动作的驱动电压余裕度变窄的课题。
发明内容
本发明的等离子体显示板的驱动方法是鉴于这些课题而完成的,目的是提供一种等离子体显示板的驱动方法,可以稳定地产生写入放电而不使写入动作的驱动电压余裕度变窄。
本发明提供一种等离子体显示板的驱动方法,所述等离子体显示板具有:第一基板;显示电极,位于所述第一基板上,两个扫描电极构成的单元和两个维持电极构成的单元交替并且平行配置;第二基板,隔着放电空间与所述第一基板相对配置;多个数据电极,位于所述第二基板上,配置在与所述显示电极对交叉的方向上;以及隔壁,位于所述第一基板和所述第二基板之间,用于区分主放电单元和起爆放电单元而设置,所述主放电单元通过所述两个扫描电极中的一个、与该扫描电极相邻的维持电极和数据电极产生主放电,而所述起爆放电单元通过多个扫描电极中相邻的两个扫描电极产生起爆放电,其特征在于,该驱动方法包括:用具有初始化期间、写入期间和维持期间的多个子场构成一场;所述写入期间具有进行与标号奇数号的扫描电极的主放电单元的写入动作的奇数行写入期间,以及进行与标号偶数号的扫描电极的主放电单元的写入动作的偶数行写入期间;在所述奇数行写入期间,对奇数号的扫描电极依次施加扫描脉冲,对偶数号的扫描电极施加电压,该电压用于在与施加了所述扫描脉冲的奇数号的扫描电极之间,在所述起爆放电单元内产生起爆放电;在所述初始化期间,具有奇数行初始化期间和偶数行初始化期间;在紧靠所述奇数行写入期间之前设置所述奇数行初始化期间;在紧靠所述偶数行写入期间之前设置所述偶数行初始化期间;在奇数行初始化期间,施加仅对所述扫描电极中的奇数号的扫描电极进行初始化动作的电压;在偶数行初始化期间,施加仅对所述扫描电极中的偶数号的扫描电极进行初始化动作的电压;在所述偶数行写入期间,对偶数号的扫描电极依次施加扫描脉冲,对奇数号的扫描电极施加电压,该电压用于在与施加了所述扫描脉冲的偶数号的扫描电极之间,在所述起爆放电单元内产生起爆放电。
附图说明
图1是表示本发明的实施方式1中的显示板结构的分解立体图。
图2是该显示板的截面图。
图3是该显示板的电极排列图。
图4是该显示板的驱动波形图。
图5是本发明的实施方式2中的显示板的驱动波形图。
具体实施方式
(实施方式1)
以下,利用附图对本发明的实施方式1中的显示板进行说明。图1是表示本发明的实施方式1中的显示板结构的分解立体图,图2是该显示板的截面图。作为第一基板的玻璃制的前面基板21和作为第二基板的背面基板31隔着放电空间而相对配置,在放电空间中封入通过放电而放射紫外线的氖和氙。
在前面基板21上相互平行地形成多对由扫描电极22和维持电极23构成的显示电极对。此时扫描电极22、维持电极23如维持电极23-扫描电极22-扫描电极22-维持电极23-…那样每两个交替排列。扫描电极22和维持电极23分别由在透明电极22a、23a和在透明电极22a、23a上形成的金属母线22b、23b构成。在扫描电极22-扫描电极22之间、以及维持电极23-维持电极23之间设有由黑色材料构成的光吸收层28。扫描电极22的金属母线22b突出部分22b’突出到光吸收层28而形成。然后形成绝缘体层24和保护层25,以覆盖这些扫描电极22、维持电极23以及光吸收层28。
在背面基板31上,在与扫描电极22和维持电极23交叉的方向上相互平行地形成多个数据电极32,然后形成绝缘体层33,以覆盖数据电极32。然后在绝缘体层33上形成用于区分主放电单元40的隔壁34。
隔壁34由在与数据电极32平行的方向上延伸的纵壁部34a,以及形成主放电单元40,同时在主放电单元40之间形成间隙部41的横壁部34b构成。其结果,隔壁34沿着一对扫描电极和维持电极构成的显示电极对,形成用于连接了多个主放电单元40的主放电单元行,在相邻的主放电单元行之间生成间隙部41。在间隙部41中,在位于两个扫描电极相邻侧的间隙部形成突出部分22b’,该间隙部41a作为起爆放电单元工作。即,间隙部41成为每隔一个具有突出部分22b’的起爆放电单元41a。而且,间隙部41b是位于两个维持电极相邻侧的间隙部。
然后,平坦地形成这些隔壁34的顶部,以便与前面基板21接触。这是为防止相邻的放电单元的相互干涉,特别是为了防止受到在写入期间随着相邻的放电单元的写入放电而发生的起爆的影响而产生误写入等误动作。而且,用于防止随着起爆放电,与起爆放电单元41a相邻的主放电单元40的壁电荷减少产生写入不良等误动作。在本发明的实施方式1中,隔壁34的台阶差形成为小于等于10μm。该值是基于所谓在大于等于10μm时,相邻的主放电单元40间产生相互干涉,产生起爆放电单元41a和主放电单元40的相互干涉的实验结果的值。
然后,在与由隔壁34区分的主放电单元40对应的绝缘体层33的表面和隔壁34的侧面上设置荧光体层35。另外,在图1中虽然在间隙部41侧没有形成荧光体层35,但是也可以是形成荧光体层35的结构。
而且,在上述的说明中,虽然形成绝缘体层33以覆盖数据电极32,但是也可以不形成该绝缘体层33。
图3是本发明的实施方式1中的显示板的电极排列图。在列方向排列m列的数据电极D1~Dm(图1的数据电极32),在行方向,n行的扫描电极SC1~SCn(图1的扫描电极22)和n行的维持电极SU1~SUn(图1的维持电极23)如维持电极SU1-扫描电极SC1-扫描电极SC2-维持电极SU2-…那样一次两个交替地排列。然后,在本发明的实施方式1中,在相邻扫描电极SCp、SCp+1(p=奇数)的突出部分(图1的突出部分22b’)之间进行起爆放电。
然后,在放电空间内形成m×n个包含一对扫描电极SCi、维持电极SUi(i=1~n)和1个数据电极Dj(j=1~m)的主放电单元Ci,j(图1的主放电单元40)。而且形成包含扫描电极SCp的突出部分和扫描电极SCp+1的突出部分的起爆放电单元PSp(图1的起爆放电单元41a)。
接着,与显示板的动作一起对用于驱动显示板的驱动波形及其定时进行说明。
图4是本发明的实施方式1中的显示板的驱动波形图。在这样的实施方式1中,一场期间由具有初始化期间、写入期间、维持期间的多个子场构成。写入期间包括进行具有奇数号的扫描电极的主放电单元的写入动作的奇数行写入期间和进行具有偶数号的扫描电极的主放电单元的写入动作的偶数行写入期间,使奇数号的扫描电极(以下简称为奇数扫描电极)和偶数号的扫描电极(以下简称为偶数扫描电极)的写入动作分时进行。这如以下说明的那样,是为了利用壁电荷,依次持续稳定地产生起爆放电。并且,由此可以减小放电单元的相互作用的影响,特别是在写入期间垂直方向上相邻的主放电单元的影响。
首先,在初始化期间前半部,将数据电极D1~Dm和维持电极SU1~SUm分别保持为0(V),在扫描电极SC1~SCn中,对于维持电极SU1~SUn施加从放电开始电压以下的电压Vi1向超过放电开始电压的电压Vi2缓慢地上升的倾斜波形电压。在该倾斜波形电压上升期间,扫描电极SC1~SCn和维持电极SU1~SUn、数据电极D1~Dm之间分别进行第一次微弱的初始化放电。然后,在扫描电极SC1~SCn上部积累负的壁电压,同时在数据电极D1~Dm上部和维持电极SU1~SUn上部积累正的壁电压。这里,电极上部的壁电压是表示由覆盖电极的绝缘体层上或者荧光体层上积累的壁电荷而产生的电压。此时,扫描电极SC1~SCn同电位,所以起爆放电电压PSp中不产生放电。
在初始化期间后半部,将维持电极SU1~SUn保持为正电压Ve,在扫描电极SC1~SCn中,施加相对于维持电极SU1~SUn的从小于等于放电开始电压的电压Vi3向超过放电开始电压的电压Vi4缓慢下降的倾斜波形电压。在该期间,在扫描电极SC1~SCn和维持电极SU1~SUn、数据电极D1~Dm之间分别进行第二次微弱的初始化放电。然后,扫描电极SC1~SCn上部的负的壁电压和维持电极SU1~SUn上部的正的壁电压被减弱,数据电极D1~Dm上部的正的壁电压被调整为适合写入动作的值。此时,扫描电极SC1~SCn也是同电位,所以在起爆放电单元PSp中不产生放电。通过以上操作,初始化动作结束。
在奇数行写入期间,将奇数扫描电极SCp暂时保持为电压Vc。然后,在偶数扫描电极SCp+1中,在与相邻的奇数扫描电极SCp之间,施加用于使起爆放电单元PSp内部产生放电的电压Vq。接着,如果在第一个扫描电极SC1中施加扫描脉冲电压Va,则在起爆放电单元PS1内,与第二个扫描电极SC2之间产生起爆放电,对主放电单元C1,1~C1,m内部提供起爆。此时,如果对与应显示的图像信号对应的数据电极Dk(k为1~m的整数)施加正的写入脉冲Vd,则在数据电极Dk和扫描电极SC1的交叉部产生放电,向对应的主放电单元C1,k的维持电极SU1和扫描电极SC1之间的放电发展。然后,主放电单元C1,k内的扫描电极SC1上部积累正的壁电压,维持电极SU1上部积累负的壁电压,第一行的写入动作结束。而且,此时,在起爆放电单元PS1内部的扫描电极SC1上部积累正的壁电压,在扫描电极SC2上部积累负的壁电压。
以下,同样对奇数号的主放电单元C3,k、C5,k、…进行写入动作。
在偶数行写入期间,将偶数扫描电极SCp+1暂时保持为电压Vc。然后,在奇数扫描电极SCp中,施加用于在与相邻的偶数扫描电极SCp+1之间使起爆放电单元PSp内部产生放电的电压Vq。然后,在第二扫描电极SC2中施加扫描脉冲电压Va时,在起爆放电单元PS1中,在与第一扫描电极SC1之间产生起爆放电。由于将起爆放电单元PS1内部的扫描电极SC1上部积累的正的壁电压和扫描电极SC2上部积累的负的壁电压相加,所以此时的放电成为放电延迟小的稳定的放电。然后,对主放电单元C2,1~C2,m内部提供起爆。此时,如果向与应显示的图像信号对应的数据电极Dk施加正的写入脉冲Vd,则在数据电极Dk和扫描电极SC2的交叉部产生放电,推进对应的主放电单元C2,k的维持电极SU2和扫描电极SC2之间的放电。然后,主放电单元C2,k内的扫描电极SC2上部积累正的壁电压,维持电极SU2上部积累负的壁电压,第二行的写入动作结束。而且,此时起爆放电单元PS1内部的壁电压产生反转,起爆放电单元PS1内部的扫描电极SC1上部积累负的壁电压,扫描电极SC2上部积累正的壁电压。
以下,同样对偶数号的主放电单元C4,k、C6,k、…进行写入动作,结束写入期间。
在维持期间,将扫描电极SC1~SCn和维持电极SU1~SUn暂时返回到0(V)后,对扫描电极SC1~SCn施加正的维持脉冲对应Vs。此时,产生了写入放电的主放电单元Ci,k中的扫描电极SCi上部和维持电极SUi上部之间的电压,除了正的维持脉冲电压Vs之外,在写入期间,还加上扫描电极SCi上部以及维持电极S Ui上部积累的壁电压,从而变得比放电开始电压大。由此,在放电单元Ci,k中产生维持放电。以下相同,通过对扫描电极SC1~SCn和维持电极SU1~SUn交替地施加维持脉冲,对产生了写入放电的放电单元Ci,k仅继续进行维持脉冲的次数的维持放电。此时,扫描电极SC1~SCn是同电位,所以在起爆放电单元PSp中不产生放电。
在接着的子场初始化期间,将维持电极SU1~SUn保持为正电压Ve,对扫描电极SC1~SCn施加向电压Vi4缓慢下降的倾斜波形电压。于是,进行过维持放电的主放电单元Ci,k的扫描电极SC1~SCn和维持电极SU1~SUn、数据电极D1~Dm之间分别开始微弱的初始化放电。然后,扫描电极SC1~SCn上部和维持电极SU1~SUn上部的壁电压被减弱,将数据电极D1~Dm上部的正的壁电压被调整为适合写入动作的值。此时,扫描电极SC1~SCn为同电位,所以在起爆放电单元PSp中也不产生放电。
在此之后的写入期间、维持期间以及接着的子场的驱动波形以及脉冲的动作与上述相同。
这里,为了对将写入期间分为奇数行写入期间和偶数行写入期间的理由进行说明,关注起爆放电单元的动作而再次说明。在起爆放电单元PSp内,因为仅在对奇数扫描电极SCp施加的电压和对偶数扫描电极SCp+1施加的电压不同的情况下产生放电,所以只关注写入期间就可以。
首先,在最初的子场的奇数行写入期间,对奇数扫描电极SCp施加负电压的扫描电压脉冲Va,对偶数扫描电极SCp+1施加正的电压Vq从而产生起爆放电。然后,在起爆放电单元PSp内的奇数扫描电极SCp上积累正的壁电压,在偶数扫描电极SCp+1上积累负的壁电压。
在随后的偶数行写入期间,对积累负的壁电压的偶数扫描电极SCp+1再施加负电压的扫描电压脉冲Va,对积累正的壁电压的奇数扫描电极SCp再施加正电压的扫描电压脉冲Vq,从而产生起爆放电。这样,因为此时的起爆放电是在电极施加的电压上还加上壁电压,所以成为放电延迟小的稳定的放电。然后,在起爆放电单元PSp内的偶数扫描电极SCp+1上积累正的壁电压,在偶数扫描电极SCp上积累负的壁电压。
在下一个子场的奇数行写入期间,在积累负的壁电压的奇数扫描电极SCp中还施加负电压的扫描电压脉冲Va,在积累正的壁电压的偶数扫描电极SCp+1中还施加正的电压Vq,从而产生起爆放电。因此,此时的起爆放电也成为放电延迟小的稳定的放电。然后,起爆放电单元PSp内的奇数扫描电极SCp上积累正的壁电压,偶数扫描电极SCp+1上积累负的壁电压。
以后同样,由于壁电压始终起增强起爆放电的作用,所以起爆放电成为放电延迟小的稳定的放电。这样,通过将写入期间分为奇数行写入期间和偶数行写入期间,可以使起爆放电成为放电延迟小的稳定的放电。
而且,在上述的动作说明中,对最初的子场的初始化期间进行在所有的主放电单元中进行初始化放电的全单元初始化动作,在下一个子场以后的初始化期间进行选择性地对进行了维持放电的主放电单元初始化的选择初始化动作进行了说明,但是,也可以将这些初始化动作任意组合。
(实施方式2)
本发明的实施方式2的显示板的构造与实施方式1相同。而且,在驱动方法中,作为写入期间,具有奇数行写入期间和偶数行写入期间,将它们按照时间分离的情况也与实施方式1相同。实施方式2与实施方式1的不同之处是具有对初始化期间也将时间性分离奇数行初始化期间和偶数行初始化期间而设置的子场。即,在多个子场中的至少一个子场中,具有进行标号奇数号的扫描电极的主放电单元的初始化动作的奇数行初始化期间,和进行标号偶数号的扫描电极的主放电单元的初始化动作的偶数行初始化期间,在奇数行写入期间之前设置奇数行初始化期间,在偶数行写入期间之前设置偶数行初始化期间。
接着,与显示板的动作一起对用于驱动显示板的驱动波形及其定时进行说明。图5是本发明的实施方式2中的显示板的驱动波形图。
首先,在奇数行初始化期间的前半部,将数据电极D1~Dm和维持电极SU1~SUn分别保持为0(V),对奇数扫描电极SCp施加从电压Vi1向电压Vi2缓慢上升的倾斜波形电压。在这期间,在奇数号的主放电单元内产生第一次微弱的初始化放电,在奇数扫描电极SCp上部积累负的壁电压,同时在数据电极D1~Dm上部和奇数维持电极SUp上部积累正的壁电压。然后,在奇数行初始化期间的后半部,将维持电极SU1~SUn保持为正电压Ve,对奇数扫描电极SCp施加从电压Vi3向电压Vi4缓慢下降的倾斜波形电压。在这期间,在奇数号的主放电单元内产生第二次微弱的初始化放电,奇数扫描电极SCp上部的负的壁电压和奇数维持电极SUp上部的正的壁电压被减弱,数据电极D1~Dm上部的正的壁电压被调整为适合写入动作的值。
以上是奇数号的主放电单元内部发生的放电以及与之相伴的壁电压的动作。而且,在偶数行侧的放电单元内部不产生放电。
此时,在起爆放电单元PSp内部产生以下那样的放电和壁电压的动作。首先,在奇数行初始化期间的前半部,将偶数扫描电极SCp+1保持为0(V),因为对奇数扫描电极SCp施加向超过放电开始电压的电压Vi2缓慢上升的倾斜波形电压,所以奇数扫描电极SCp和偶数扫描电极SCp+1之间分别产生第一次微弱的初始化放电。然后,在起爆放电单元PSp内部的奇数扫描电极SCp上部积累负的壁电压,同时在偶数扫描电极SCp+1的上部积累正的壁电压。在奇数行初始化期间的后半部,对奇数扫描电极SCp施加从电压Vi3向Vi4缓慢下降的倾斜波形电压。但是,因为对偶数扫描电极SCp+1施加用于抑制放电的电压Vr,所以不产生放电,或者即使产生,也不使壁电荷大量减少。
这样,在奇数行写入期间之前,在起爆放电单元PSp内部的减少扫描电极SCp上积累负的壁电压,在偶数扫描电极SCp+1上积累正的壁电压。
在接着的奇数行写入期间,对已经积累了负的壁电压的奇数扫描电极SCp再施加负电压的扫描电压脉冲Va,对已经积累了正的壁电压的偶数扫描电极SCp+1再施加正的电压Vq,从而产生起爆放电。因此,最初的子场中的写入期间的起爆放电也成为放电延迟小的稳定的放电。然后,在起爆放电单元PSp内的奇数扫描电极SCp上积累正的壁电压,在偶数扫描电极SCp+1上积累负的壁电压。
接着,在偶数行初始化期间的前半部,将数据电极D1~Dm以及维持电极SU1~SUn分别保持为0(V),对偶数扫描电极SCp+1施加从电压Vi1向电压Vi2缓慢上升的倾斜波形电压。然后,偶数行初始化期间的后半部中,维持电极SU1~SUn保持为正电压Ve,对偶数扫描电极SCp施加从电压Vi3向电压Vi4缓慢下降的倾斜波形电压。在该期间,在偶数号的主放电单元内进行与奇数号的主放电单元相同的初始化动作。而且,在偶数号的主放电单元内部不产生放电。
此时,起爆放电单元PSp内的奇数扫描电极SCp上积累正的壁电压,在偶数扫描电极SCp+1上积累负的壁电压,所以在偶数行初始化期间的前半部中,即使对偶数扫描电极SCp+1施加上升的倾斜波形电压,由于壁电压向抵消该电压的方向起作用,所以不产生放电或者即使发生放电,也不使壁电荷大量减少。而且,即使在偶数行初始化期间的后半部中,对偶数扫描电极SCp+1施加下降的倾斜波形电压,由于对奇数扫描电极SCp施加用于抑制放电的电压Vr,所以不产生放电,或者即使放电,也不使壁电荷大幅度减少。
在接着的偶数行写入期间,对积累了负的壁电压的偶数扫描电极SCp+1再施加负电压的扫描电压脉冲Va,对积累的正的壁电压的减少扫描电极SCp再施加正的电压Vq而产生起爆放电。这样,因为此时的起爆放电是在对电极施加的电压上再加上壁电压,所以也成为放电延迟小的稳定的放电。然后,起爆放电单元PSp内的偶数扫描电极SCp+1上积累正的壁电压,在奇数扫描电极SCp上积累负的壁电压。
这样,按照本发明的实施方式2的显示板的驱动方法,通过具有对初始化期间也按照时间分离为奇数行初始化期间和偶数行初始化期间而设置的子场,最初的子场中的写入期间的起爆放电也成为放电延迟小的稳定的放电。
而且,对于所有的子场,不需要设置奇数行初始化期间和偶数行初始化期间,例如可以仅对一场设置一次,或者对数场设置一次来使起爆放电稳定。
按照本发明,可以提供等离子体显示板的驱动方法,可以稳定地产生写入放电而不使写入动作的驱动电压余裕度变窄。
本发明在产业上的可利用性在于,由于可以稳定地产生写入放电而不使写入动作的驱动电压余裕度变窄,所以本发明作为用于驱动壁挂电视机和大型监视器等的显示板的驱动方法是有用的。
Claims (2)
1、一种等离子体显示板的驱动方法,
所述等离子体显示板具有:
第一基板;
显示电极,位于所述第一基板上,两个扫描电极构成的单元和两个维持电极构成的单元交替并且平行配置;
第二基板,隔着放电空间与所述第一基板相对配置;
多个数据电极,位于所述第二基板上,配置在与所述显示电极对交叉的方向上;以及
隔壁,位于所述第一基板和所述第二基板之间,用于区分主放电单元和起爆放电单元而设置,所述主放电单元通过所述两个扫描电极中的一个、与该扫描电极相邻的维持电极和数据电极产生主放电,而所述起爆放电单元通过多个扫描电极中相邻的两个扫描电极产生起爆放电,
其特征在于,该驱动方法包括:
用具有初始化期间、写入期间和维持期间的多个子场构成一场;
所述写入期间具有进行与标号奇数号的扫描电极的主放电单元的写入动作的奇数行写入期间,以及进行与标号偶数号的扫描电极的主放电单元的写入动作的偶数行写入期间;
在所述奇数行写入期间,对奇数号的扫描电极依次施加扫描脉冲,对偶数号的扫描电极施加电压,该电压用于在与施加了所述扫描脉冲的奇数号的扫描电极之间,在所述起爆放电单元内产生起爆放电;
在所述初始化期间,具有奇数行初始化期间和偶数行初始化期间;
在紧靠所述奇数行写入期间之前设置所述奇数行初始化期间;
在紧靠所述偶数行写入期间之前设置所述偶数行初始化期间;
在奇数行初始化期间,施加仅对所述扫描电极中的奇数号的扫描电极进行初始化动作的电压;
在偶数行初始化期间,施加仅对所述扫描电极中的偶数号的扫描电极进行初始化动作的电压;
在所述偶数行写入期间,对偶数号的扫描电极依次施加扫描脉冲,对奇数号的扫描电极施加电压,该电压用于在与施加了所述扫描脉冲的偶数号的扫描电极之间,在所述起爆放电单元内产生起爆放电。
2、如权利要求1所述的等离子体显示板的驱动方法,其特征在于,
在所述奇数行初始化期间对所述奇数号的扫描电极施加的电压的波形与在所述偶数行初始化期间对所述偶数号的扫描电极施加的电压的波形相同。
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JP2003330411A (ja) | 2002-05-03 | 2003-11-19 | Lg Electronics Inc | プラズマディスプレイパネルの駆動方法及び装置 |
JP4046092B2 (ja) * | 2004-03-08 | 2008-02-13 | 松下電器産業株式会社 | プラズマディスプレイパネルの駆動方法 |
KR100787445B1 (ko) * | 2006-03-03 | 2007-12-26 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널의 구동방법 |
JP2008170651A (ja) * | 2007-01-10 | 2008-07-24 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置の駆動方法およびプラズマディスプレイ装置 |
US8446399B2 (en) | 2007-09-03 | 2013-05-21 | Panasonic Corporation | Driving device and driving method of plasma display panel, and plasma display apparatus |
KR100895333B1 (ko) * | 2007-11-01 | 2009-05-07 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널의 구동 방법 및 그를 이용한플라즈마 디스플레이 장치 |
KR101104423B1 (ko) * | 2007-11-19 | 2012-01-12 | 파나소닉 주식회사 | 플라즈마 디스플레이 장치 및 플라즈마 디스플레이 패널의 구동 방법 |
JP2010027264A (ja) * | 2008-07-16 | 2010-02-04 | Hitachi Ltd | プラズマディスプレイ装置 |
KR20110033957A (ko) * | 2008-09-11 | 2011-04-01 | 파나소닉 주식회사 | 플라즈마 디스플레이 장치 및 플라즈마 디스플레이 패널의 구동 방법 |
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EP1705629A1 (en) | 2006-09-27 |
KR20050117577A (ko) | 2005-12-14 |
CN1764937A (zh) | 2006-04-26 |
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