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    • 3. 发明申请
    • Plasma Display Panel
    • 等离子显示面板
    • US20100141560A1
    • 2010-06-10
    • US11909620
    • 2005-03-25
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InoueKoichi SakitaTomoyuki Nukumizu
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InoueKoichi SakitaTomoyuki Nukumizu
    • G09G3/28
    • G09G3/2022G09G3/2011G09G3/2025G09G3/2081G09G3/2942G09G2310/066G09G2320/0238G09G2330/025
    • A plasma display device performing display control by utilizing plasma discharge includes a panel having a plurality of address electrodes and a plurality of display electrodes disposed to intersect with the address electrodes, and a drive circuit performing address discharge drive for selectively producing a discharge in cells between the address electrodes and the display electrodes, and display discharge drive for applying to the display electrode a display drive pulse having a voltage increasing with such a gradient as to continuously produce a discharge current in the selected cell. In the display discharge drive performed after the address discharge drive, a display drive pulse with an increasing voltage of gentle gradient is applied to the display electrode, thereby producing faint discharges continuously in the selected cell during the increase of the voltage applied to the display electrode. Display luminance is controlled by the above ramp-wave discharge. In such the ramp-wave discharge, differently from the conventional strong discharge, faint discharges are produced a plurality of times while the display drive pulse is being applied, enabling improvement on the discharge efficiency, and reduction of power consumption.
    • 通过利用等离子体放电进行显示控制的等离子体显示装置包括具有多个地址电极的面板和设置成与寻址电极交叉的多个显示电极,以及驱动电路,其执行寻址放电驱动,以选择性地产生电池中的放电 寻址电极和显示电极以及显示放电驱动器,用于向显示电极施加具有电压增加的电压的显示驱动脉冲,以在所选择的单元中连续产生放电电流。 在寻址放电驱动之后执行的显示放电驱动中,对显示电极施加具有平缓梯度的电压增加的显示驱动脉冲,从而在施加到显示电极的电压增加期间在所选择的单元中连续产生微弱的放电 。 显示亮度由上述斜坡波放电控制。 在这种斜波放电中,与传统的强放电不同,在施加显示驱动脉冲的同时,多次产生微弱的放电,能够提高放电效率,并降低功耗。
    • 6. 发明授权
    • Electric charging/discharging apparatus, plasma display panel, and electric charging/discharging method
    • 充电/放电装置,等离子体显示面板和充电/放电方法
    • US07755573B2
    • 2010-07-13
    • US11815020
    • 2005-01-31
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InoueKoichi Sakita
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InoueKoichi Sakita
    • G09G3/28
    • G09G3/2965G09G3/2942G09G2310/066
    • A charging/discharging apparatus (602) for charging a capacitance to be charged/discharged (Cp) includes: a recovery capacitor (Cr1) for recovering electric energy which has one terminal connected to a first power supply (GND) through first switch means (SW11) and another terminal connected to a second power supply (Vs+Vo) through second switch means (SW12); first path forming means (D11) which has one terminal connected to a connection point between the second power supply and the other terminal of the recovery capacitor and another terminal connected to the capacitance to be charged/discharged, and charges the capacitance to be charged/discharged through a resonant inductor (L1) when the first switch means is turned on; second path forming means (D12) which has one terminal connected to a connection point between the first power supply and the one terminal of the recovery capacitor and another terminal connected to the capacitance to be charged/discharged, and discharges the capacitance to be charged/discharged through the resonant inductor (L1) when the second switch means is turned on to recover electric energy to the recovery capacitor.
    • 用于对要充放电的电容进行充电的充电/放电装置(602)包括:用于恢复电能的恢复电容器(Cr1),其具有通过第一开关装置连接到第一电源(GND)的一个端子( SW11)和通过第二开关装置(SW12)连接到第二电源(Vs + Vo)的另一端子; 第一路径形成装置(D11),其一个端子连接到第二电源和恢复电容器的另一端子之间的连接点,另一个端子连接到要充电/放电的电容,并且对要充电/放电的电容进行充电, 当第一开关装置接通时通过谐振电感器(L1)放电; 第二路径形成装置(D12),其具有连接到第一电源和恢复电容器的一个端子之间的连接点的一个端子,以及连接到要充电/放电的电容的另一个端子,并且将要充电/ 当第二开关装置接通时,通过谐振电感器(L1)放电以恢复到恢复电容器的电能。
    • 9. 发明申请
    • ELECTRIC CHARGING/DISCHARGING APPARATUS, PLASMA DISPLAY PANEL, AND ELECTRIC CHARGING/DISCHARGING METHOD
    • 电动充电/放电装置,等离子显示面板和电荷充电/放电方法
    • US20090009430A1
    • 2009-01-08
    • US11815020
    • 2005-01-31
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InqueKoichi Sakita
    • Yoshiho SeoKazushige TakagiTadayoshi KosakaHajime InqueKoichi Sakita
    • G09G3/28H02J7/00
    • G09G3/2965G09G3/2942G09G2310/066
    • A charging/discharging apparatus (602) for charging a capacitance to be charged/discharged (Cp) includes: a recovery capacitor (Cr1) for recovering electric energy which has one terminal connected to a first power supply (GND) through first switch means (SW11) and another terminal connected to a second power supply (Vs+Vo) through second switch means (SW12); first path forming means (D11) which has one terminal connected to a connection point between the second power supply and the other terminal of the recovery capacitor and another terminal connected to the capacitance to be charged/discharged, and charges the capacitance to be charged/discharged through a resonant inductor (L1) when the first switch means is turned on; second path forming means (D12) which has one terminal connected to a connection point between the first power supply and the one terminal of the recovery capacitor and another terminal connected to the capacitance to be charged/discharged, and discharges the capacitance to be charged/discharged through the resonant inductor (L1) when the second switch means is turned on to recover electric energy to the recovery capacitor.
    • 用于对要充放电的电容进行充电的充电/放电装置(602)包括:用于恢复电能的恢复电容器(Cr1),其具有通过第一开关装置连接到第一电源(GND)的一个端子( SW11)和通过第二开关装置(SW12)连接到第二电源(Vs + Vo)的另一端子; 第一路径形成装置(D11),其一个端子连接到第二电源和恢复电容器的另一端子之间的连接点,另一个端子连接到要充电/放电的电容,并且对要充电/放电的电容进行充电, 当第一开关装置接通时通过谐振电感器(L1)放电; 第二路径形成装置(D12),其具有连接到第一电源和恢复电容器的一个端子之间的连接点的一个端子,以及连接到要充电/放电的电容的另一个端子,并且将要充电/ 当第二开关装置接通时,通过谐振电感器(L1)放电以恢复到恢复电容器的电能。
    • 10. 发明授权
    • Driving circuit for plasma display panel using offset waveform
    • 使用偏移波形的等离子体显示面板的驱动电路
    • US07432882B2
    • 2008-10-07
    • US10563943
    • 2003-07-15
    • Tadayoshi KosakaYoshiho SeoKoichi SakitaKenji Awamoto
    • Tadayoshi KosakaYoshiho SeoKoichi SakitaKenji Awamoto
    • G09G3/28
    • G09G3/2942G09G3/296G09G3/2965G09G2310/066
    • A sustain voltage applying circuit includes a circuit having a sustain pulse generating circuit for generating a sustain pulse of a predetermined waveform and an offset pulse generating circuit for generating an offset pulse higher in peak value than the sustain pulse, the sustain pulse generating circuit and the offset pulse generating circuit being connected in parallel, the offset pulse generating circuit including a first voltage source, a first switching circuit, an inductance component for generating a resonance voltage for the offset pulse generation, and a forward diode for permitting a current supplied to the display electrodes to flow forward so that the resonance voltage is maintained at a higher voltage level than a voltage level of a sustain voltage for a predetermined period of time, the sustain pulse generating circuit including a second voltage and a second switching circuit.
    • 维持电压施加电路包括具有用于产生预定波形的维持脉冲的维持脉冲发生电路和用于产生峰值比维持脉冲更高的偏移脉冲的偏移脉冲发生电路的电路,维持脉冲发生电路和 偏移脉冲发生电路并联连接,所述偏移脉冲发生电路包括第一电压源,第一开关电路,用于产生用于产生偏移脉冲的谐振电压的电感分量;以及正向二极管,用于允许提供给 显示电极向前流动,使得谐振电压保持在比维持电压的电压电平高一个预定时间段的较高电压电平,维持脉冲发生电路包括第二电压和第二开关电路。