公开(公告)号：US08199072B2

公开(公告)日：2012-06-12

申请号：US12513687

申请日：2007-12-07

申请人： Toshiyuki Maeda ,  Hidehiko Shoji

发明人： Toshiyuki Maeda ,  Hidehiko Shoji

IPC分类号： G09G3/28

CPC分类号： G09G3/2965 ,  G09G3/2927 ,  G09G2310/066

摘要： A scan electrode driving circuit applies a rising ramp waveform voltage to scan electrodes (SCN1 to SCNn) to generate a first setup discharge in a first period within a setup period, applies a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) to generate a second setup discharge in a second period following the first period within the setup period, and applies a first positive rectangular waveform voltage (Vs), a negative rectangular waveform voltage (Va), a second positive rectangular waveform voltage (Vs) and a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) in a third period following the second period within the setup period. A data electrode driving circuit applies a positive rectangular waveform voltage (Vd) to data electrodes (D1 to Dm) in a period after application of the first positive rectangular waveform voltage (Vs) to the scan electrodes (SCN1 to SCNn) and before application of the negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in the third period.

摘要翻译： 扫描电极驱动电路向扫描电极（SCN1〜SCNn）施加上升斜坡波形电压，以在初始化期间内的第一期间产生第一次建立放电，向扫描电极（SCN1〜SCNn）施加下降斜坡波形电压至 在建立周期内的第一周期之后的第二周期中产生第二设定放电，并施加第一正矩形波形电压（Vs），负矩形波形电压（Va），第二正矩形波形电压（Vs）和 在设定期间内的第二期间之后的第三期间，向扫描电极（SCN1〜SCNn）施加斜坡波形电压。 数据电极驱动电路在对扫描电极（SCN1〜SCNn）施加第一正矩形波形电压（Vs）之后的期间内施加正的矩形波形电压（Vd）至数据电极（D1〜Dm） 在第三周期中对扫描电极（SCN1〜SCNn）的负矩形波形电压（Va）。

公开(公告)号：US20090122042A1

公开(公告)日：2009-05-14

申请号：US12092216

申请日：2007-08-03

申请人： Takahiko Origuchi ,  Hidehiko Shoji ,  Toshiyuki Maeda

发明人： Takahiko Origuchi ,  Hidehiko Shoji ,  Toshiyuki Maeda

IPC分类号： G09G5/00

CPC分类号： G09G3/296 ,  G09G3/2022 ,  G09G3/2927 ,  G09G2310/066 ,  G09G2320/041 ,  G09G2330/028

摘要： One field period includes a plurality of subfields each having an initialization period in which a gradually descending sloping waveform voltage is applied to a scan electrode, a writing period in which a negative scan pulse voltage is applied to the scan electrode, and a sustain period. A sloping waveform voltage is generated by switching a minimum voltage in the sloping waveform voltage between a first voltage and a second voltage that has a lower voltage value than that of the first voltage. The ratio in one field period of a subfield in which an initialization is carried out by the sloping waveform voltage whose minimum voltage is the second voltage is increased when a temperature of the plasma display panel is determined to be low as compared with when the temperature is determined to be not low.

摘要翻译： 一个场周期包括多个子场，每个子场具有向扫描电极施加逐渐下降的倾斜波形电压的初始化周期，对扫描电极施加负扫描脉冲电压的写入周期和维持周期。 通过在具有比第一电压的电压值低的第一电压和第二电压之间的倾斜波形电压中切换最小电压来产生倾斜的波形电压。 与等温显示面板的温度相比，当等离子体显示面板的温度被确定为低时，通过其最小电压为第二电压的倾斜波形电压进行初始化的子场的一个场周期中的比率增加 确定不低。

公开(公告)号：US08384621B2

公开(公告)日：2013-02-26

申请号：US12092216

申请日：2007-08-03

申请人： Takahiko Origuchi ,  Hidehiko Shoji ,  Toshiyuki Maeda

发明人： Takahiko Origuchi ,  Hidehiko Shoji ,  Toshiyuki Maeda

IPC分类号： G09G3/28

CPC分类号： G09G3/296 ,  G09G3/2022 ,  G09G3/2927 ,  G09G2310/066 ,  G09G2320/041 ,  G09G2330/028

摘要： One field period includes a plurality of subfields each having (i) an initialization period in which a gradually descending sloping waveform voltage is applied to a scan electrode, (ii) a writing period in which a negative scan pulse voltage is applied to the scan electrode, and (iii) a sustain period. A sloping waveform voltage is generated by switching a minimum voltage in the sloping waveform voltage between a first voltage and a second voltage that has a lower voltage value than that of the first voltage. A number of subfields, in which an initialization is carried out by the sloping waveform voltage having the minimum voltage as the second voltage, is increased when a temperature of a plasma display panel is determined to be low as compared with when the temperature is determined to be not low.

摘要翻译： 一个场周期包括多个子场，每个子场具有（i）向扫描电极施加逐渐下降的倾斜波形电压的初始化周期，（ii）向扫描电极施加负扫描脉冲电压的写入周期 ，（iii）维持期。 通过在具有比第一电压的电压值低的第一电压和第二电压之间的倾斜波形电压中切换最小电压来产生倾斜的波形电压。 与等温显示面板的温度相比，当等离子体显示面板的温度被确定为低时，通过具有最小电压的倾斜波形电压作为第二电压进行初始化的多个子场被增加 不低

公开(公告)号：US20100118056A1

公开(公告)日：2010-05-13

申请号：US11995021

申请日：2007-07-06

申请人： Takahiko Origuchi ,  Hidehiko Shoji ,  Mitsuo Ueda ,  Toshiyuki Maeda

发明人： Takahiko Origuchi ,  Hidehiko Shoji ,  Mitsuo Ueda ,  Toshiyuki Maeda

IPC分类号： G09G5/10

CPC分类号： G09G3/2965 ,  G09G3/2022 ,  G09G3/294 ,  G09G2310/066

摘要： In a plasma display device and a method for driving a plasma display panel, fluctuation of emission luminance of a discharge cell is reduced and display quality of an image is improved. The plasma display device is provided with a plasma display panel having a plurality of scanning electrodes and sustaining electrodes which configure a display electrode pair. The plasma display device is also provided with a sustaining pulse generating circuit, which has a plurality of subfields having an initializing period, a writing period and a sustaining period in one field period, and generates three kinds of sustaining pulses, i.e., a first sustaining pulse to be reference, a second sustaining pulse whose start-up is sharper than that of the first sustaining pulse and that of a third sustaining pulse, and the third sustaining pulse whose trailing edge is sharper than that of the first sustaining pulse and that of the second sustaining pulse, by periodically switching the pulses. In a sustaining period of at least one subfield in one field period, the third sustaining pulse is applied to one electrode of the electrode pair, then just after the application, the second sustaining pulse is applied to the other electrode of the display electrode pair.

摘要翻译： 在等离子体显示装置和等离子体显示面板的驱动方法中，放电单元的发光亮度的变动减小，图像的显示品质提高。 等离子体显示装置设置有具有构成显示电极对的多个扫描电极和维持电极的等离子体显示面板。 等离子体显示装置还具有维持脉冲发生电路，其具有在一个场周期中具有初始化周期，写入周期和维持周期的多个子场，并且产生三种维持脉冲，即，第一维持 脉冲作为参考，第二维持脉冲的启动比第一维持脉冲和第三维持脉冲的启动更尖锐，第三维持脉冲的后沿比第一维持脉冲更尖锐， 第二维持脉冲，通过周期性地切换脉冲。 在一个场周期中的至少一个子场的维持周期中，将第三维持脉冲施加到电极对的一个电极，然后在施加之后，将第二维持脉冲施加到显示电极对的另一个电极。

公开(公告)号：US20090237330A1

公开(公告)日：2009-09-24

申请号：US12092102

申请日：2007-08-09

申请人： Hidehiko Shoji ,  Takahiko Origuchi ,  Toshiyuki Maeda ,  Mitsuo Ueda ,  Takayuki Kamatani

发明人： Hidehiko Shoji ,  Takahiko Origuchi ,  Toshiyuki Maeda ,  Mitsuo Ueda ,  Takayuki Kamatani

IPC分类号： G09G3/28

CPC分类号： G09G3/2803 ,  G09G3/2022 ,  G09G3/2096 ,  G09G3/2932 ,  G09G3/2942 ,  G09G3/2948 ,  G09G3/2965

摘要： In a plasma display device, a period for connecting display electrode pairs to the base potential is disposed between a sustain pulse for generating the final sustain discharge and the previous sustain pulse based on a lighting ratio of the discharge cells in the corresponding subfield, and a voltage for reducing an interelectrode potential difference of the display electrode pairs is applied to the display electrode pairs in a predetermined time period corresponding to the lighting ratio of the discharge cells in the corresponding subfield after applying the sustain pulse for generating the final sustain discharge to the scan electrodes.

摘要翻译： 在等离子体显示装置中，将用于将显示电极对与基极电位连接的期间设置在用于产生最终维持放电的维持脉冲和基于相应子场中的放电单元的点亮率的先前维持脉冲之间， 在将用于产生最终维持放电的维持脉冲施加到相应子场中的放电单元的点亮比例的预定时间段内，将显示电极对的电极间电位差降低的电压施加到显示电极对 扫描电极。

公开(公告)号：US20100265219A1

公开(公告)日：2010-10-21

申请号：US12747010

申请日：2008-09-04

申请人： Naoki Noguchi ,  Hidehiko Shoji ,  Takahiko Origuchi ,  Kenji Ogawa ,  Toshiyuki Maeda

发明人： Naoki Noguchi ,  Hidehiko Shoji ,  Takahiko Origuchi ,  Kenji Ogawa ,  Toshiyuki Maeda

IPC分类号： G09G5/00

CPC分类号： G09G3/293 ,  G09G3/2022 ,  G09G3/2927 ,  G09G3/296 ,  G09G3/2965 ,  G09G2310/0218 ,  G09G2310/066 ,  G09G2320/0228 ,  G09G2320/041 ,  G09G2360/16

摘要： A two-phase driving operation is performed by a first circuit and a second circuit in at least one sub-field. The first circuit applies a first ramp waveform that drops from a first potential to a second potential to a plurality of first scan electrodes in a setup period, and sequentially applies a scan pulse to the plurality of first scan electrodes in a write period. The second circuit applies a second ramp waveform that drops from the first potential to a third potential that is higher than the second potential to a plurality of second scan electrodes in the setup period, and holds the second scan electrodes at a fourth potential that is higher than the third potential in a period where the scan pulse is applied to the first scan electrodes, and then sequentially applies a scan pulse to the plurality of second electrodes in the write period. Discharge failures during write discharges can be prevented from occurring by applying the two-phase driving operation.

摘要翻译： 在至少一个子场中由第一电路和第二电路执行两相驱动操作。 第一电路在初始化周期中施加从第一电位降低到第二电位的第一斜坡波形，并且在写入周期中顺序地对多个第一扫描电极施加扫描脉冲。 第二电路在建立周期中施加从第一电位下降到高于第二电位的第三电位到第二扫描电极的第二斜坡波形，并且将第二扫描电极保持在较高的第四电位 比扫描脉冲施加到第一扫描电极的时间段内的第三电位高，然后在写入周期中顺序地向多个第二电极施加扫描脉冲。 可以通过施加两相驱动操作来防止写入放电期间的放电故障。

公开(公告)号：US20100103161A1

公开(公告)日：2010-04-29

申请号：US12513406

申请日：2007-12-04

申请人： Takahiko Origuchi ,  Hidehiko Shoji ,  Kenji Ogawa ,  Takayuki Kamatani ,  Toshiyuki Maeda

发明人： Takahiko Origuchi ,  Hidehiko Shoji ,  Kenji Ogawa ,  Takayuki Kamatani ,  Toshiyuki Maeda

IPC分类号： G06F3/038

CPC分类号： G09G3/2965 ,  G09G3/2927 ,  G09G2320/0228

摘要： A voltage of sustain electrodes (SU1 to SUn) is lowered from Ve1 to a ground potential at a time point t1 immediately before a first SF (sub-field). Then, a pulsed positive voltage Vd is applied to data electrodes (D1 to Dm) at a starting time point t2 of a setup period of the first SF. Immediately before this, a large amount of negative wall charges is stored on the sustain electrodes (SU1 to SUn) and positive wall charges are stored on the data electrodes (D1 to Dm), and therefore application of the pulsed positive voltage Vd to the data electrodes generates strong discharges between the sustain electrodes (SU1 to SUn) and the data electrodes (D1 to Dm). After that, application of a ramp voltage to scan electrodes (SC1 to SCn) is started at a time point t3, generating setup discharges between the scan electrodes (SC1 to SCn) and the sustain electrodes (SU1 to SUn).

摘要翻译： 在第一SF（子场）之前的时刻t1，维持电极（SU1〜SUn）的电压从Ve1降低到接地电位。 然后，在第一SF的建立周期的起始时间点t2向数据电极（D1〜Dm）施加脉冲正电压Vd。 在此之前，在维持电极（SU1〜SUn）上存储大量的负壁电荷，在数据电极（D1〜Dm）上存储正的壁电荷，因此将脉冲正电压Vd施加到数据 电极在维持电极（SU1〜SUn）和数据电极（D1〜Dm）之间产生强放电。 之后，在时间点t3开始对扫描电极（SC1〜SCn）施加斜坡电压，在扫描电极（SC1〜SCn）和维持电极（SU1〜SUn）之间产生建立放电。

公开(公告)号：US20100039417A1

公开(公告)日：2010-02-18

申请号：US12513687

申请日：2007-12-07

申请人： Toshiyuki Maeda ,  Hidehiko Shoji

发明人： Toshiyuki Maeda ,  Hidehiko Shoji

IPC分类号： G09G5/00 ,  G09G3/28

CPC分类号： G09G3/2965 ,  G09G3/2927 ,  G09G2310/066

摘要： A scan electrode driving circuit applies a rising ramp waveform voltage to scan electrodes (SCN1 to SCNn) to generate a first setup discharge in a first period within a setup period, applies a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) to generate a second setup discharge in a second period following the first period within the setup period, and applies a first positive rectangular waveform voltage (Vs), a negative rectangular waveform voltage (Va), a second positive rectangular waveform voltage (Vs) and a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) in a third period following the second period within the setup period. A data electrode driving circuit applies a positive rectangular waveform voltage (Vd) to data electrodes (D1 to Dm) in a period after application of the first positive rectangular waveform voltage (Vs) to the scan electrodes (SCN1 to SCNn) and before application of the negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in the third period.

摘要翻译： 扫描电极驱动电路向扫描电极（SCN1〜SCNn）施加上升斜坡波形电压，以在初始化期间内的第一期间产生第一次建立放电，向扫描电极（SCN1〜SCNn）施加下降斜坡波形电压至 在建立周期内的第一周期之后的第二周期中产生第二设定放电，并施加第一正矩形波形电压（Vs），负矩形波形电压（Va），第二正矩形波形电压（Vs）和 在设定期间内的第二期间之后的第三期间，向扫描电极（SCN1〜SCNn）施加斜坡波形电压。 数据电极驱动电路在对扫描电极（SCN1〜SCNn）施加第一正矩形波形电压（Vs）之后的期间内施加正的矩形波形电压（Vd）至数据电极（D1〜Dm） 在第三周期中对扫描电极（SCN1〜SCNn）的负矩形波形电压（Va）。

公开(公告)号：US08294636B2

公开(公告)日：2012-10-23

申请号：US12513692

申请日：2007-12-06

申请人： Toshiyuki Maeda ,  Hidehiko Shoji

发明人： Toshiyuki Maeda ,  Hidehiko Shoji

IPC分类号： G09G3/28

CPC分类号： G09G3/2927 ,  G09G3/2803 ,  G09G3/2965 ,  G09G3/298 ,  G09G2310/0267 ,  G09G2320/0238 ,  G09G2320/043

摘要： A scan electrode driving circuit applies a rising ramp waveform voltage to scan electrodes (SCN1 to SCNn) to generate a first setup discharge in a first period within a setup period, applies a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) to generate a second setup discharge in a second period following the first period within the setup period, and applies a positive rectangular waveform voltage (Va) and a negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in a third period following the second period within the setup period. A data electrode driving circuit applies a positive rectangular waveform voltage (Vd) to data electrodes (D1 to Dm) in a period after application of the positive rectangular waveform voltage (Vs) to the scan electrodes (SCN to SCNn) and before application of the negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in the third period.

摘要翻译： 扫描电极驱动电路向扫描电极（SCN1〜SCNn）施加上升斜坡波形电压，以在初始化期间内的第一期间产生第一次建立放电，向扫描电极（SCN1〜SCNn）施加下降斜坡波形电压至 在所述建立周期内的所述第一期间之后的第二期间产生第二设定放电，并且在第三期间向所述扫描电极（SCN1〜SCNn）施加正的矩形波形电压（Va）和负的矩形波形电压（Va） 在设定期间之后的第二个时期。 数据电极驱动电路在将正的矩形波形电压（Vs）施加到扫描电极（SCN〜SCNn）之后的期间内施加正的矩形波形电压（Vd）到数据电极（D1〜Dm） 在第三周期中对扫描电极（SCN1〜SCNn）的负矩形波形电压（Va）。

公开(公告)号：US20100066727A1

公开(公告)日：2010-03-18

申请号：US12513692

申请日：2007-12-06

申请人： Toshiyuki Maeda ,  Hidehiko Shoji

发明人： Toshiyuki Maeda ,  Hidehiko Shoji

IPC分类号： G09G5/00 ,  G09G3/28

CPC分类号： G09G3/2927 ,  G09G3/2803 ,  G09G3/2965 ,  G09G3/298 ,  G09G2310/0267 ,  G09G2320/0238 ,  G09G2320/043

摘要： A scan electrode driving circuit applies a rising ramp waveform voltage to scan electrodes (SCN1 to SCNn) to generate a first setup discharge in a first period within a setup period, applies a dropping ramp waveform voltage to the scan electrodes (SCN1 to SCNn) to generate a second setup discharge in a second period following the first period within the setup period, and applies a positive rectangular waveform voltage (Va) and a negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in a third period following the second period within the setup period. A data electrode driving circuit applies a positive rectangular waveform voltage (Vd) to data electrodes (D1 to Dm) in a period after application of the positive rectangular waveform voltage (Vs) to the scan electrodes (SCN to SCNn) and before application of the negative rectangular waveform voltage (Va) to the scan electrodes (SCN1 to SCNn) in the third period.

摘要翻译： 扫描电极驱动电路向扫描电极（SCN1〜SCNn）施加上升斜坡波形电压，以在初始化期间内的第一期间产生第一次建立放电，向扫描电极（SCN1〜SCNn）施加下降斜坡波形电压至 在所述建立周期内的所述第一期间之后的第二期间产生第二设定放电，并且在第三期间向所述扫描电极（SCN1〜SCNn）施加正的矩形波形电压（Va）和负的矩形波形电压（Va） 在设定期间之后的第二个时期。 数据电极驱动电路在将正的矩形波形电压（Vs）施加到扫描电极（SCN〜SCNn）之后的期间内施加正的矩形波形电压（Vd）到数据电极（D1〜Dm） 在第三周期中对扫描电极（SCN1〜SCNn）的负矩形波形电压（Va）。