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    • 1. 发明申请
    • Step-up device and step-down device
    • 升压装置和降压装置
    • US20070145958A1
    • 2007-06-28
    • US11641876
    • 2006-12-20
    • Kenji MiyakeTomokazu KojimaTakahito KushimaTsutomu Sakakibara
    • Kenji MiyakeTomokazu KojimaTakahito KushimaTsutomu Sakakibara
    • G05F1/10
    • H02M3/07H02M2003/072
    • A control unit performs the first-third controls. The first control controls a group of switch elements so that a step-up voltage is supplied to a voltage output terminal by a pumping action of a step-up voltage accumulating capacity element by applying the reference power source voltage to the reference power source voltage accumulating capacity element in an inverse direction, after execution of an electric charge accumulating action with the reference power source voltage in the reference power source voltage accumulating capacity element. The second control controls the group of switching elements so as to provide a dead-time period, during which the reference power source and the reference power source voltage accumulating element are disconnected, between a period of the electric charge accumulating action and a period of the pumping action and between the period of pumping action and the period of electric charge accumulating action. The third control achieves such a control in the first and second step-up circuit units alternately and cyclically that the electric charge accumulating action or the pumping action in one of the first and second step-up circuit units is carried out, when the other is in the dead-time period.
    • 控制单元执行第三至第三控制。 第一控制器控制一组开关元件,使得通过将参考电源电压施加到参考电源电压累加的升压电压累积电容元件的泵送作用,将升压电压提供给电压输出端子 在参考电源电压累积电容元件中执行与参考电源电压的电荷积累动作之后,反向的电容元件。 第二控制器控制开关元件组,以便在电荷累积动作的周期与电荷累积动作的期间之间,提供参考电源和基准电源电压蓄积元件断开的死区时间 泵送动作之间和泵送动作期间与电荷累积动作期间。 第三控制在第一和第二升压电路单元中交替地和循环地实现这样的控制,即当第一和第二升压电路单元中的另一个是第一和第二升压电路单元中的一个时,进行电荷累积动作或泵送动作 在死亡时期。
    • 9. 发明授权
    • Driving voltage control device, display device and driving voltage control method
    • 驱动电压控制装置,显示装置及驱动电压控制方式
    • US07385581B2
    • 2008-06-10
    • US11071168
    • 2005-03-04
    • Tomokazu KojimaTsutomu Sakakibara
    • Tomokazu KojimaTsutomu Sakakibara
    • G09G3/36
    • G09G3/3666G09G3/3696
    • A driving voltage control device includes a first to fourth capacitor, and an output section. In the first mode, the first capacitor receives a first voltage and stores a corresponding amount of charge, the second capacitor receives a second voltage and stores a corresponding amount of charge, and the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor or second capacitor to a first output node according to a predetermined timing. In the second mode, the third capacitor receives a third voltage and stores a corresponding amount of charge, the fourth capacitor receives a fourth voltage and stores a corresponding amount of charge, and the output section supplies either one of a voltage according to the amount of charge stored in the third capacitor or fourth capacitor to a second output node according to a predetermined timing.
    • 驱动电压控制装置包括第一至第四电容器和输出部分。 在第一模式中,第一电容器接收第一电压并存储相应的电荷量,第二电容器接收第二电压并存储相应的电荷量,并且输出部分提供根据 根据预定定时,存储在第一电容器或第二电容器中的电荷到第一输出节点。 在第二模式中,第三电容器接收第三电压并存储相应的电荷量,第四电容器接收第四电压并存储相应的电荷量,并且输出部分提供根据 根据预定定时,存储在第三电容器或第四电容器中的电荷到第二输出节点。
    • 10. 发明申请
    • Driving voltage control device, display device and driving voltage control method
    • 驱动电压控制装置,显示装置及驱动电压控制方式
    • US20050200586A1
    • 2005-09-15
    • US11071168
    • 2005-03-04
    • Tomokazu KojimaTsutomu Sakakibara
    • Tomokazu KojimaTsutomu Sakakibara
    • G02F1/133G09G3/18G09G3/36
    • G09G3/3666G09G3/3696
    • A driving voltage control device includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and an output section. In the first mode, the first capacitor receives a first voltage and stores an amount of charge according to a voltage value of the first voltage, the second capacitor receives a second voltage and stores an amount of charge according to a voltage value of the second voltage, and the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor and a voltage according to the amount of charge stored in the second capacitor to a first output node according to a predetermined timing. In the second mode, the third capacitor receives a third voltage and stores an amount of charge according to a voltage value of the third voltage, the fourth capacitor receives a fourth voltage and stores an amount of charge according to a voltage value of the fourth voltage, and the output section supplies either one of a voltage according to the amount of charge stored in the third capacitor and a voltage according to the amount of charge stored in the fourth capacitor to a second output node according to a predetermined timing.
    • 驱动电压控制装置包括第一电容器,第二电容器,第三电容器,第四电容器和输出部分。 在第一模式中,第一电容器接收第一电压并根据第一电压的电压值存储电荷量,第二电容器接收第二电压,并根据第二电压的电压值存储电荷量 并且输出部分根据预定定时向第一输出节点提供根据存储在第一电容器中的电荷量的电压和根据存储在第二电容器中的电荷量的电压中的一个。 在第二模式中,第三电容器接收第三电压并根据第三电压的电压值存储电荷量,第四电容器接收第四电压,并根据第四电压的电压值存储电荷量 并且根据预定定时,输出部分将根据存储在第三电容器中的电荷量的电压和根据存储在第四电容器中的电荷量的电压中的任一个提供给第二输出节点。