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1. 发明专利

JP2007272025A Plasma display device 有权
标题翻译：等离子体显示设备
公开(公告)号：JP2007272025A
公开(公告)日：2007-10-18
申请号：JP2006098870
申请日：2006-03-31
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SHOJI HIDEHIKO , ORIGUCHI TAKAHIKO , UEDA MITSUO
IPC分类号： G09G3/20 , G09G3/28 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/293 , G09G3/294 , G09G3/296 , G09G3/298 , H04N5/66
摘要： PROBLEM TO BE SOLVED: To provide a plasma display device excellent in image display quality, which generates stable writing discharge without raising voltage necessary for generating the writing discharge even in the case of a large screen/high definition/high luminance panel.
SOLUTION: A sustaining pulse generation circuit comprises: an electric power recovery part for applying voltage to a display electrode pair by resonance of static capacitance between the display electrode pair and inductance for power recovery; and a clamp part for clamping the display electrode pair to power source voltage or ground potential, and is configured so that at the end of the sustaining period, the circuit applies voltage to one of the display electrode pair using the electric power recovery part when a lighting rate is a prescribed threshold value or higher, to generate first discharge, thereafter, generates second discharge by switching to the clamp part and further applying voltage thereto, and when the lighting rate is lower than the prescribed threshold value, the circuit applies voltage to one of the display electrode pair using the electric power recovery part, and changes over to the clamp part before discharge is generated by the applied voltage to generate discharge by further applying the voltage thereto.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题：为了提供图像显示质量优异的等离子体显示装置，即使在大屏幕/高分辨率/高亮度面板的情况下也能产生稳定的写入放电而不产生写入放电所需的电压。维持脉冲发生电路包括：电力回收部分，用于通过显示电极对和电感之间的静态电容的共振将电压施加到显示电极对，用于电力恢复; 以及用于将显示电极对夹持到电源电压或接地电位的钳位部，并且被配置为使得在维持周期结束时，电路在使用电力恢复部施加电压到显示电极对中的一个时点亮率是规定的阈值以上，产生第一次放电，之后，通过切换到钳位部并进一步向其施加电压而产生第二次放电，当点亮率低于规定的阈值时，电路向使用电力恢复部分的显示电极对中的一个，并且通过施加的电压产生在放电之前转换到钳位部分，以通过进一步施加电压来产生放电。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007232827A Plasma display panel driving method and plasma display device 有权
标题翻译：等离子显示面板驱动方法和等离子体显示装置
公开(公告)号：JP2007232827A
公开(公告)日：2007-09-13
申请号：JP2006051736
申请日：2006-02-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： ORIGUCHI TAKAHIKO , SHOJI HIDEHIKO , UEDA MITSUO
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/294 , G09G3/296 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To provide a panel driving method and a plasma display device, capable of generating a stable write discharge without raising a voltage required for generation of the write discharge even when a large-screen/high-luminance panel is used, and to ensure good image display quality.
SOLUTION: A plurality of sub-fields each of which has a write period for selectively generating a write discharge by a discharging cell and a sustain period for applying sustain pulses, of which the number corresponds to a luminance weight, to generate a sustain discharge by the discharging cell which has generated the write discharge are provided in one field period, and a voltage Vs for generating an erase discharge being the last sustain discharge is applied to scan electrodes SC1 to SCn, and then a voltage Ve1 for reducing potential differences between electrodes of display electrode pairs is applied to sustain electrodes SU1 to SUn after a period of an erase phase difference Th1, and a voltage Vd is applied to data electrodes D1 to Dm within the period of the erase phase difference.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种面板驱动方法和等离子体显示装置，即使当大屏幕/高亮度面板是（或）屏幕时，也能够产生稳定的写入放电而不会提高产生写入放电所需的电压使用，并确保良好的图像显示质量。解决方案：多个子场中的每一个具有用于选择性地产生放电单元的写入放电的写入周期和用于施加维持脉冲的维持周期，其数量对应于亮度权重，以产生在一个场周期中设置由产生写入放电的放电单元的维持放电，并且将用于产生作为最后维持放电的擦除放电的电压Vs施加到扫描电极SC1〜SCn，然后施加用于降低电位的电压Ve1 在擦除相位差Th1的周期之后，对维持电极SU1〜SUn施加显示电极对的电极之间的差异，并且在擦除相位差的周期内向数据电极D1〜Dm施加电压Vd。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006317856A Method for driving plasma display panel 审中-公开
标题翻译：驱动等离子显示面板的方法
公开(公告)号：JP2006317856A
公开(公告)日：2006-11-24
申请号：JP2005142661
申请日：2005-05-16
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YAMASHITA TAKESHI , SHOJI HIDEHIKO , HASHIGUCHI JUNPEI
IPC分类号： G09G3/20 , G09G3/28 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To provide a method for driving a plasma display panel by which a stable high-speed writing can be performed and image display quality is improved by suppressing an increase in black display region luminance.
SOLUTION: In the method for driving the plasma display panel in which a discharge cell is formed at an intersection between a scanning electrode and a sustain electrode, and a data electrode, one field period is composed of a plurality of sub-fields, and the number of sub-fields which perform all cell initialization for generating initialization discharge to all discharge cells for displaying an image in the plurality of sub-fields by applying a gradually increasing voltage to the scanning electrode, is increased or decreased based on an average picture level (APL) of an image signal to be displayed. In at least one sub-field which performs all cell initialization, a maximum value of the gradually increasing voltage based on the APL of the image signal to be displayed is set.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于驱动等离子体显示面板的方法，通过该方法可以通过抑制黑色显示区域亮度的增加来进行稳定的高速写入并且提高图像显示质量。解决方案：在用于驱动在扫描电极和维持电极之间的交叉点处形成放电单元的等离子体显示面板和数据电极的方法中，一个场周期由多个子场并且通过对扫描电极施加逐渐增加的电压，执行用于产生初始化放电的全部单元初始化的子场的数量被增加或减少，所述单元初始化用于产生初始化放电到用于显示多个子场中的图像的所有放电单元要显示的图像信号的平均图像电平（APL）。在执行所有单元初始化的至少一个子场中，设置基于要显示的图像信号的APL的逐渐增加的电压的最大值。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006308625A Plasma display apparatus 有权
标题翻译：等离子显示设备
公开(公告)号：JP2006308625A
公开(公告)日：2006-11-09
申请号：JP2005127444
申请日：2005-04-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： TAKEDA MINORU , SHOJI HIDEHIKO
IPC分类号： G09G3/292 , G09G3/20 , G09G3/28 , G09G3/288 , G09G3/291 , G09G3/293 , G09G3/294 , G09G3/298
CPC分类号： G09G3/2927 , G09G3/2022 , G09G2320/0219 , G09G2320/0238 , G09G2360/16
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of image quality by performing normal writing operations in a plasma display apparatus.
SOLUTION: Initialization wave forms of respectively different voltages are applied to a first sub-field in which relation of the number of sustain pulses is small and to a sub-field in which the number of sustain pulses is the smallest of all sub-fields except the first sub-field, and thereby, even if there is discharge interference between adjoining cells, the plasma display apparatus with a high contrast ratio can be provided, in which the writing operations are normally performed in all discharge cells.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过在等离子体显示装置中进行正常的写入操作来防止图像质量的劣化。解决方案：分别不同电压的初始化波形被施加到第一子场，其中维持脉冲数量的关系很小，并且维持脉冲数量是所有子区域中最小的子场并且因此即使相邻单元之间存在放电干扰，也可以提供具有高对比度的等离子体显示装置，其中在所有放电单元中通常执行写入操作。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005049823A Display device and drive method thereof 有权
标题翻译：显示装置及其驱动方法
公开(公告)号：JP2005049823A
公开(公告)日：2005-02-24
申请号：JP2004160191
申请日：2004-05-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SHOJI HIDEHIKO , OHIRA KAZUO , TANIGUCHI HIROSHIGE
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/296 , G09G3/298 , G09G3/28
CPC分类号： G09G3/2965 , G09G3/293 , G09G3/296 , G09G2310/0218 , G09G2320/0209 , G09G2330/021 , G09G2330/025
摘要： PROBLEM TO BE SOLVED: To provide a display device capable of performing stable discharge while sufficiently reducing electric power consumption and a driving method thereof. SOLUTION: A first data driver group 4a is connected to a sub-field processor 3, a first power recovery circuit 8a, and a PDP 7. A second data driver group 4b is connected to the sub-field processor 3, a second power recovery circuit 8b, and the PDP 7. The first and the second data driver groups 4a and 4b apply data pulses having different phases to each other to the PDP 7. The first and the second power recovery circuits 8a and 8b generate voltage for generating data pulses in the first and the second data driver groups 4a and 4b by LC resonance and perform discharge of electric charge to the PDP 7 and recovery of electric charge from the PDP 7. The recovery potential of recovery capacitors is changed according to the number of times of switching between discharge and non-discharge of the discharge cell 14 of the PDP 7. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供能够在充分降低电力消耗的同时进行稳定放电的显示装置及其驱动方法。解决方案：第一数据驱动器组4a连接到子场处理器3，第一功率恢复电路8a和PDP 7.第二数据驱动器组4b连接到子场处理器3，第二功率恢复电路8b和PDP 7.第一和第二数据驱动器组4a和4b向PDP 7施加具有彼此不同相位的数据脉冲。第一和第二功率恢复电路8a和8b产生用于通过LC谐振在第一和第二数据驱动器组4a和4b中产生数据脉冲，并且对PDP 7进行电荷放电并从PDP 7恢复电荷。恢复电容器的恢复电位根据数量在PDP7的放电单元14的放电和不放电之间切换的时间。（C）2005年，JPO和NCIPI

6. 发明专利

JP2008122734A Method for driving plasma display panel 审中-公开
标题翻译：驱动等离子显示面板的方法
公开(公告)号：JP2008122734A
公开(公告)日：2008-05-29
申请号：JP2006307429
申请日：2006-11-14
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： UEDA MITSUO , SHOJI HIDEHIKO , ORIGUCHI TAKAHIKO
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/293 , G09G3/294 , G09G3/296 , G09G3/298 , H04N5/66
摘要： PROBLEM TO BE SOLVED: To improve image display quality of even a panel having high luminance and high definition by stably generating an initialization discharge and increasing a contrast ratio.
SOLUTION: A plurality of sub-fields each having a write period wherein a discharge cell to be discharged is selected and a sustain period wherein a sustain discharge is generated by the discharge cell selected in the write period a number of times corresponding to luminance weight are provided in a one-field period. In a sustain period of a predetermined sub-field among the plurality of sub-fields, a voltage for generating a final sustain discharge is applied to one of a pair of display electrodes and then a voltage which drops down to a predetermined potential with a gradient is applied, where a positive voltage is applied to a data electrode in the middle of the application of the dropping voltage after the application of the voltage for generating the final sustain discharge to the one of the display electrode pair.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过稳定地产生初始化放电并提高对比度，提高即使是具有高亮度和高清晰度的面板的图像显示质量。＆lt;解决方案＆gt;解决方案：多个子场分别具有写入周期，其中选择要放电的放电单元，并且维持周期，其中在写入周期中选择的放电单元产生维持放电，次数对应于在一场期间提供亮度权重。在多个子场中的预定子场的维持期间中，将用于产生最终维持放电的电压施加到一对显示电极中的一个，然后以梯度下降到预定电位的电压其中，在施加用于产生最终维持放电的电压到显示电极对中的一个之后，在施加滴下电压的中间向数据电极施加正电压。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007163735A Method for driving plasma display panel 有权
标题翻译：驱动等离子显示面板的方法
公开(公告)号：JP2007163735A
公开(公告)日：2007-06-28
申请号：JP2005358735
申请日：2005-12-13
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SHOJI HIDEHIKO , ORIGUCHI TAKAHIKO , UEDA MITSUO , YOSHIHAMA YUTAKA , KIKO SHIGEO
IPC分类号： G09G3/28 , G09G3/20 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/296 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To generate a stable write discharge without increasing voltage needed to generate a write discharge even when a panel has a large screen and high luminance.
SOLUTION: The method for driving the plasma display panel is characterized in that one field period comprises a plurality of sub-fields each having a write period wherein a write discharge is selectively generated by a discharge cell and a maintenace period wherein a sustain discharge is generated by the discharge cell having generated the write discharge at a frequency proportional to a luminance weight and a voltage for reducing the potential difference between electrodes of a display electrode pair is applied to the display electrode pair at a time interval, corresponding to the turn-on rate of the discharge cell in the sub-fields, after a voltage for generating a final maintenance discharge is applied to the display electrode pair in the sustain peroid.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使在面板具有大屏幕和高亮度的情况下，也可以不增加产生写入放电所需的电压而产生稳定的写入放电。解决方案：用于驱动等离子体显示面板的方法的特征在于，一个场周期包括多个子场，每个子场具有写入周期，其中由放电单元选择性地产生写入放电和维持周期，其中维持通过以与亮度权重成比例的频率产生写入放电的放电单元产生放电，并且以对应于显示电极对的时间间隔对显示电极对施加用于减小显示电极对的电极之间的电位差的电压在用于产生最终维护放电的电压被施加到维持器中的显示电极对之后，子场中的放电单元的接通速率。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007108487A Method of driving plasma display panel 有权
标题翻译：驱动等离子显示面板的方法
公开(公告)号：JP2007108487A
公开(公告)日：2007-04-26
申请号：JP2005300056
申请日：2005-10-14
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： ORIGUCHI TAKAHIKO , SHOJI HIDEHIKO
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/294 , G09G3/296 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To provide a method of driving a panel which suppresses wrong illumination and has good image display quality even when the panel has high luminance and high definition.
SOLUTION: The method includes a plurality of discharge cells each having a display electrode pair comprising a scanning electrode and a sustain electrode. A sustain pulse generation part is provided which divides a one-field period into a plurality of sub-fields each having a write period and a sustain period and applies a sustain pulse to a display electrode pair in a sustain period to generate the sustain discharge of a discharge cell. The sustain pulse generation part applies a voltage lower than a voltage generating a starting sustain discharge in the sustain period to the display electrode pair before applying the voltage generating the starting sustain discharge to the display electrode pair.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使当面板具有高亮度和高清晰度时，提供一种驱动面板的方法，其抑制错误的照明并具有良好的图像显示质量。解决方案：该方法包括多个放电单元，每个放电单元均具有包括扫描电极和维持电极的显示电极对。提供维持脉冲产生部分，其将一场周期划分成具有写入周期和维持周期的多个子场，并且在维持周期中对显示电极对施加维持脉冲以产生维持脉冲放电单元。在向显示电极对施加产生起始维持放电的电压之前，维持脉冲产生部分将比在维持周期中产生起始维持放电的电压低的电压施加到显示电极对。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007010701A Plasma display device 有权
标题翻译：等离子体显示设备
公开(公告)号：JP2007010701A
公开(公告)日：2007-01-18
申请号：JP2005187681
申请日：2005-06-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YOSHIHAMA YUTAKA , TANIGUCHI HIROSHIGE , SHOJI HIDEHIKO
IPC分类号： G09G3/20 , G09G3/28 , G09G3/288 , G09G3/291 , G09G3/294 , G09G3/296 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To display a more dynamic and powerful image by increasing a peak luminance furthermore without changing the length of a sustain period.
SOLUTION: A sustain pulse generation circuit 51 includes; a power recovery part including a constant voltage power source V1 of a voltage value Vu, a coil L1, a recovery capacitor C1, switching elements S1 and S2, and reverse current preventing diodes D1 and D2; and a voltage clamp part including switching elements S5 and S6. A sustain pulse generation circuit 61 includes; a power recovery part including a constant voltage power source V2 of a voltage value Vu, a coil L2, a recovery capacitor C2, switching elements S3 and S4, and reverse current preventing diodes D3 and 4; and a voltage clamp part including switching elements S7 and S8. The peak luminance is increased by controlling a luminance magnification when displaying an image having a prescribed APL or higher and is more increased by shortening a rise period of a sustain pulse when displaying an image having an APL lower than the prescribed APL.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过在不改变维持周期的长度的情况下进一步增加峰值亮度来显示更加动态和强大的图像。维持脉冲发生电路51包括：包括电压值Vu的恒压电源V1，线圈L1，恢复电容器C1，开关元件S1和S2以及反向电流防止二极管D1和D2的功率恢复部分; 以及包括开关元件S5和S6的电压钳部件。维持脉冲发生电路61包括：包括电压值Vu的恒压电源V2，线圈L2，恢复电容器C2，开关元件S3和S4以及反向电流防止二极管D3和4的功率恢复部分; 以及包括开关元件S7和S8的电压钳位部。当显示具有低于规定APL的APL的图像时，通过控制显示具有规定的APL以上的图像的亮度倍率来增加峰值亮度，并且通过缩短维持脉冲的上升周期而增加。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006195328A Drive method of plasma display 审中-公开
标题翻译：等离子显示的驱动方法
公开(公告)号：JP2006195328A
公开(公告)日：2006-07-27
申请号：JP2005008819
申请日：2005-01-17
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YAMASHITA TAKESHI , SHOJI HIDEHIKO , HASHIGUCHI JUNPEI
IPC分类号： G09G3/288 , G09G3/20 , G09G3/28 , G09G3/291 , G09G3/292 , G09G3/296 , G09G3/298 , H01J11/50
摘要： PROBLEM TO BE SOLVED: To provide a drive method of a plasma display panel capable of stable writing, even if the panel has high xenon partial pressure and high light emission efficiency.
SOLUTION: In the initialization period of each of sub-fields constituting a single field, one of all-cell initializing operation wherein all discharge cells displaying an image are discharged for the initialization and selective initializing operation wherein discharge cells, completing sustain discharging in the last sub-field, are selectively discharged for initialization is carried out, and one of the all-cell initializing operation and selective initializing operation is determined as initializing operation, in each initialization period of the sub-field, based on the xenon partial pressure of the panel.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使面板具有高氙分压和高发光效率，提供能够稳定写入的等离子体显示面板的驱动方法。解决方案：在构成单个场的每个子场的初始化周期中，全部单元初始化操作之一，其中显示图像的所有放电单元被放电用于初始化和选择性初始化操作，其中放电单元完成维持放电在最后一个子场中，选择性地放电进行初始化，并且在子场的每个初始化周期中，基于氙部分，将全细胞初始化操作和选择性初始化操作之一确定为初始化操作面板的压力。版权所有（C）2006，JPO＆NCIPI

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