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    • 6. 发明申请
    • DRIVING METHOD FOR PLASMA DISPLAY PANEL, AND PLASMA DISPLAY DEVICE
    • 等离子体显示面板的驱动方法和等离子体显示装置
    • US20130278649A1
    • 2013-10-24
    • US13995011
    • 2011-12-22
    • Ayuhiko SaitoTakahiko OriguchiYuya ShiozakiNaoyuki TomiokaHidehiko Shoji
    • Ayuhiko SaitoTakahiko OriguchiYuya ShiozakiNaoyuki TomiokaHidehiko Shoji
    • G09G3/28
    • G09G3/28G09G3/2022G09G3/2927G09G3/2965G09G2310/066
    • In the plasma display apparatus, address discharge is caused stably. For this purpose, one of a forced initializing operation and a selective initializing operation is performed in the initializing period. Then, one field includes a specific-cell initializing subfield having an initializing period in which a forced initializing operation is performed in a specific discharge cell and a selective initializing operation is performed in the other discharge cells. In the address period of the specific-cell initializing subfield, the period in which a scan pulse and an address pulse are simultaneously applied to a discharge cell having undergone the selective initializing operation in the initializing period of the specific-cell initializing subfield is made longer than the period in which a scan pulse and an address pulse are simultaneously applied to a discharge cell having undergone the forced initializing operation in the initializing period of the specific-cell initializing subfield.
    • 在等离子体显示装置中,稳定地产生寻址放电。 为此,在初始化期间进行强制初始化动作和选择初始化动作。 然后,一个场包括特定单元初始化子场,该特定单元初始化子场具有在特定放电单元中进行强制初始化动作的初始化期间,在其他放电单元中进行选择初始化动作。 在特定单元初始化子场的寻址周期中,将扫描脉冲和寻址脉冲同时施加到在特定单元初始化子场的初始化周期中经过选择性初始化操作的放电单元的周期变长 比在特定单元初始化子场的初始化期间同时对已进行强制初始化动作的放电单元施加扫描脉冲和寻址脉冲的期间。
    • 7. 发明申请
    • METHOD OF DRIVING PLASMA DISPLAY DEVICE AND PLASMA DISPLAY DEVICE
    • 驱动等离子体显示装置和等离子体显示装置的方法
    • US20130241972A1
    • 2013-09-19
    • US13990014
    • 2011-12-01
    • Takahiko OriguchiYuya ShiozakiNaoyuki TomiokaHidehiko Shoji
    • Takahiko OriguchiYuya ShiozakiNaoyuki TomiokaHidehiko Shoji
    • G09G3/298
    • G09G3/298G09G3/2022G09G3/2927G09G3/2965G09G2310/066
    • In a plasma display apparatus, contrast is enhanced and a stable address discharge is caused. For this purpose, one of a forced initializing operation and a selective initializing operation is performed in initializing periods. A specified-cell initializing subfield and a selective initializing subfield are set in one field. In the specified-cell initializing subfield, the forced initializing operation is performed on specified discharge cells and the selective initializing operation is performed on the other discharge cells. In the selective initializing subfield, the selective initializing operation is performed on all the discharge cells. In the selective initializing period, a down-ramp waveform voltage is applied to the scan electrodes and a positive voltage is applied to the data electrodes. In the selective initializing subfield, based on the load calculated in the address period of the immediately preceding subfield, the minimum voltage of the down-ramp waveform voltage is controlled.
    • 在等离子体显示装置中,对比度增强,并且产生稳定的寻址放电。 为此,在初始化期间进行强制初始化动作和选择初始化动作。 在一个字段中设置指定单元格初始化子字段和选择性初始化子字段。 在指定单元初始化子场中,对规定的放电单元进行强制初始化动作,对其他放电单元进行选择初始化动作。 在选择性初始化子场中,对所有放电单元执行选择性初始化操作。 在选择初始化期间,向扫描电极施加下降斜坡波形电压,向数据电极施加正电压。 在选择性初始化子场中,根据在前一子场的寻址周期中计算的负载,控制下斜坡波形电压的最小电压。
    • 8. 发明申请
    • PLASMA DISPLAY APPARATUS AND PLASMA DISPLAY PANEL DRIVING METHOD
    • 等离子显示装置和等离子显示面板驱动方法
    • US20130222358A1
    • 2013-08-29
    • US13702277
    • 2011-07-29
    • Takahiko OriguchiHidehiko ShojiYuya ShiozakiAyuhiko Saito
    • Takahiko OriguchiHidehiko ShojiYuya ShiozakiAyuhiko Saito
    • G09G3/28
    • G09G3/28G09G3/2927G09G3/296G09G2310/066G09G2320/0209G09G2320/0238
    • Image display quality in the plasma display apparatus can be enhanced by allowing a stable address operation. For this purpose, the plasma display apparatus includes a scan electrode driver circuit. The scan electrode driver circuit generates driving voltages to be used in a subfield method and applies the driving voltages to scan electrodes. At the end of each sustain period, the scan electrode driver circuit performs the following operation. The scan electrodes are applied with a first ramp waveform voltage that rises from a base electric potential to a first electric potential. Subsequently, the electric potential of the scan electrodes is set to a second electric potential equal to or lower than the first electric potential. Subsequently, the scan electrodes are applied with a second ramp waveform voltage that rises from the second electric potential to a third electric potential higher than the first electric potential.
    • 通过允许稳定的地址操作,可以提高等离子体显示装置中的图像显示质量。 为此,等离子体显示装置包括扫描电极驱动电路。 扫描电极驱动电路产生用于子场方法的驱动电压,并将驱动电压施加到扫描电极。 在每个维持周期结束时,扫描电极驱动电路执行以下操作。 扫描电极被施加从基极电位上升到第一电位的第一斜坡波形电压。 随后,将扫描电极的电位设定为等于或低于第一电位的第二电位。 随后,扫描电极被施加有从第二电位上升到比第一电位高的第三电位的第二斜坡波形电压。
    • 9. 发明申请
    • PLASMA DISPLAY PANEL DRIVE 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
    • US20130176294A1
    • 2013-07-11
    • US13823679
    • 2011-10-12
    • Takahiko OriguchiYuya ShiozakiAyuhiko SaitoHidehiko Shoji
    • Takahiko OriguchiYuya ShiozakiAyuhiko SaitoHidehiko Shoji
    • G09G1/00
    • G09G1/005G09G3/2029G09G3/2044G09G3/2059G09G3/2803G09G3/293G09G2310/0213G09G2320/0209
    • In the plasma display apparatus, accidental discharge is prevented from occurring in a second discharge cell. For this purpose, in driving a plasma display panel having first data electrodes and second data electrodes that are arranged in parallel with the first data electrodes in a region outside the region where the plurality of first data electrodes are arranged, first voltage is set to be higher than second voltage in at least one subfield. Here, it is assumed that the first voltage is the voltage derived by subtracting the voltage applied to the first data electrodes from the voltage applied to the second data electrodes when down-ramp waveform voltage is applied to scan electrodes in the initializing period, and the second voltage is the voltage derived by subtracting the low-voltage-side voltage of the address pulse applied to the first electrodes from the voltage applied to the second data electrodes in the address period.
    • 在等离子体显示装置中,防止在第二放电单元中发生意外放电。 为此,在驱动具有第一数据电极的等离子体显示面板和与第一数据电极并联配置的第二数据电极的布置在多个第一数据电极的区域外的区域中,将第一电压设定为 高于至少一个子场中的第二电压。 这里,假设第一电压是在初始化期间向扫描电极施加下斜坡波形电压时,从施加到第二数据电极的电压减去施加到第一数据电极的电压而得到的电压, 第二电压是通过从写入期间施加到第二数据电极的电压减去施加到第一电极的寻址脉冲的低电压侧电压而导出的电压。