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    • 91. 发明申请
    • PLASMA DISPLAY DEVICE AND METHOD OF DRIVING PLASMA DISPLAY PANEL
    • 等离子体显示装置和驱动等离子体显示面板的方法
    • US20110157138A1
    • 2011-06-30
    • US13061529
    • 2009-06-03
    • Takahiko OriguchiHidehiko ShojiTomoyuki Saito
    • Takahiko OriguchiHidehiko ShojiTomoyuki Saito
    • G09G3/28G06F3/038
    • G09G3/293G09G3/2927G09G3/296G09G2310/0218G09G2310/066G09G2320/0228G09G2360/16H04N5/66
    • A scan electrode driving circuit performs an address operation by applying a scan pulse to scan electrodes in address periods. The partial light-emitting rate detecting circuit divides the plasma display panel display area into a plurality of regions, and detects a rate of the number of discharge cells to be lit with respect to the number of all the discharge cells in each region, as a partial light-emitting rate, in each subfield. The scan electrode driving circuit performs a first initializing operation in the initializing periods, and a second initializing operation in the address periods. The scan electrode driving circuit performs the address operation on the region having the highest partial light-emitting rate detected in the partial light-emitting rate detecting circuit, immediately after the first initializing operation, and on the region having the second highest partial light-emitting rate immediately after the second initializing operation.
    • 扫描电极驱动电路通过在寻址周期中对扫描电极施加扫描脉冲来执行寻址操作。 部分发光率检测电路将等离子体显示面板显示区域划分为多个区域,并且相对于每个区域中的所有放电单元的数量来检测要点亮的放电单元的数量的速率,作为 部分发光率在每个子场中。 扫描电极驱动电路在初始化期间进行第一初始化动作,在寻址期间进行第二初始化动作。 扫描电极驱动电路在第一初始化操作之后,在部分发光速率检测电路中检测到的部分发光率最高的区域上进行寻址操作,并且在具有第二高的部分发光 在第二次初始化操作之后立即启动。
    • 93. 发明授权
    • Plasma display panel driving method and plasma display device
    • 等离子显示面板驱动方法和等离子体显示装置
    • US07808452B2
    • 2010-10-05
    • US11662494
    • 2006-07-14
    • Hidehiko ShojiTakahiko Origuchi
    • Hidehiko ShojiTakahiko Origuchi
    • G09G3/28
    • G09G3/296G09G3/2022G09G3/2037G09G3/293G09G2320/0228G09G2320/0233
    • A method for driving a plasma display panel including discharge cells at the intersections of data electrodes D1 to Dm and pairs of scan electrodes SC1 to SCn and sustain electrodes SU1 to SUn. One field period is composed of a plurality of subfields each including a writing period and a sustain period. During the writing period, a writing discharge is generated in a selected one of the discharge cells. During the sustain period, a sustain discharge is generated in the selected discharge cell. A voltage to be applied to sustain electrodes SU1 to SUn in the writing period of the subfield having the lowest display luminance of all the subfields is set higher than a voltage to be applied to sustain electrodes SU1 to SUn in the writing period of the subfields other than the subfield having the lowest display luminance.
    • 一种用于驱动等离子体显示面板的方法,其包括在数据电极D1至Dm和扫描电极SC1至SCn和维持电极SU1至SUn的交点处的放电单元。 一个场周期由包括写入周期和维持周期的多个子场组成。 在写入期间,在所选择的一个放电单元中产生写入放电。 在维持期间,在所选择的放电单元中产生维持放电。 在具有所有子场的最低显示亮度的子场的写入周期中对维持电极SU1至SUn施加的电压被设置为高于在其他子场的写入周期中施加到维持电极SU1至SUn的电压 比具有最低显示亮度的子场。
    • 94. 发明申请
    • PLASMA DISPLAY DEVICE AND METHOD OF DRIVING PLASMA DISPLAY PANEL
    • 等离子体显示装置和驱动等离子体显示面板的方法
    • US20090122041A1
    • 2009-05-14
    • US12092040
    • 2007-08-09
    • Hidehiko ShojiTakahiko Origuchi
    • Hidehiko ShojiTakahiko Origuchi
    • G09G5/00G09G3/28
    • G09G3/296G09G3/2022G09G3/2927G09G2310/066G09G2320/0238G09G2320/041G09G2330/028G09G2360/16H04N5/70
    • In displaying a predetermined image on a plasma display panel, occurrence of an initializing bright point can be suppressed to reduce the maximum voltage in an all-cell initializing operation, light emission in the all-cell initializing operation is suppressed to reduce the black luminance, and the contrast is sharpened. In driving the plasma display panel, one field period includes a plurality of subfields having a setup period for causing initializing discharge in discharge cells, an address period, and a sustain period. One field period includes at least one subfield for applying ramp waveform voltage increasing in the setup period to the scan electrodes. The maximum voltage of the ramp waveform voltage can be varied. When a predetermined image establishing a previously determined condition is displayed, the ramp waveform voltage is generated whose maximum voltage is smaller than when an image other than the predetermined image is displayed, and a positive voltage is applied to the data electrodes at least while the ramp waveform voltage having the smaller maximum voltage is applied to the scan electrodes.
    • 在等离子体显示面板上显示预定图像时,可以抑制初始化亮点的发生,从而降低全单元初始化操作中的最大电压,抑制全单元初始化操作中的发光以降低黑亮度, 对比度锐化。 在驱动等离子体显示面板时,一个场周期包括具有用于在放电单元中初始化放电的建立周期的多个子场,寻址周期和维持周期。 一个场周期包括用于在建立周期中向扫描电极施加斜坡波形电压增加的至少一个子场。 斜坡波形电压的最大电压可以变化。 当显示建立预先确定的条件的预定图像时,产生斜坡波形电压,该斜坡波形电压的最大电压小于当显示除了预定图像之外的图像时至少在斜坡上施加正电压至数据电极 具有较小最大电压的波形电压被施加到扫描电极。
    • 96. 发明申请
    • Plasma Display Panel Driving Method and Plasma Display Device
    • 等离子显示面板驱动方法和等离子显示装置
    • US20080252562A1
    • 2008-10-16
    • US11662494
    • 2006-07-14
    • Hidehiko ShojiTakahiko Origuchi
    • Hidehiko ShojiTakahiko Origuchi
    • G09G3/28
    • G09G3/296G09G3/2022G09G3/2037G09G3/293G09G2320/0228G09G2320/0233
    • A method for driving a plasma display panel including discharge cells at the intersections of data electrodes D1 to Dm and pairs of scan electrodes SC1 to SCn and sustain electrodes SU1 to SUn. One field period is composed of a plurality of subfields each including a wrting period and a sustain period. During the wrting period, a wrting discharge is generated in a selected one of the discharge cells. During the sustain period, a sustain discharge is generated in the selected discharge cell. The voltage to be applied to sustain electrodes SU1 to SUn in the wrting period of the subfield having the lowest display luminance of all the subfields is set higher than the voltage to be applied to sustain electrodes SU1 to SUn in the wrting period of the subfields other than the subfield having the lowest display luminance.
    • 一种用于驱动等离子体显示面板的方法,该等离子体显示面板包括在数据电极D 1至D m和扫描电极SC 1至SC n和维持电极SU 1至SU n的交点处的放电单元。 一个场周期由包括记录周期和维持周期的多个子场组成。 在写入期间,在所选择的一个放电单元中产生写入放电。 在维持期间,在所选择的放电单元中产生维持放电。 在具有所有子场的最低显示亮度的子场的写入周期中,对维持电极SU 1至SUn施加的电压被设定为高于在维持电极SU 1至SUn的施加电压 具有最低显示亮度的子场以外的子场。