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    • 74. 发明授权
    • Organic EL drive circuit and organic EL display device using the same
    • 有机EL驱动电路和使用其的有机EL显示装置
    • US07576498B2
    • 2009-08-18
    • US11720202
    • 2005-11-21
    • Masato Kobayashi
    • Masato Kobayashi
    • G05F1/00
    • G09G3/3208G09G3/3216G09G3/3275G09G3/3283G09G2330/021
    • A voltage corresponding to the maximum voltage value among respective terminal voltages at least at the time of light emission of organic EL elements is held in a hold circuit, and a power source circuit which generates electric power having a voltage higher by a predetermined value than the voltage held as a power source voltage is provided. The power source voltage is caused to follow and vary depending on the maximum voltage value among the respective terminal voltages at the time of light emission, and is determined as a power source voltage for the output stage current sources. Further, in order to permit operation of the respective output stage current sources with a difference voltage between the power source voltage and the maximum voltage value, the predetermined value is set at the difference voltage or a voltage higher than the difference voltage.
    • 至少在有机EL元件的发光时,对应于各个端子电压中的最大电压值的电压被保持在保持电路中,并且电源电路产生电压高于预定值的电力 提供作为电源电压保持的电压。 导致电源电压随着发光时的各个端子电压中的最大电压值而变化,并且被确定为用于输出级电流源的电源电压。 此外,为了允许各个输出级电流源以电源电压和最大电压值之间的差电压进行操作,将该预定值设定在差电压或高于差电压的电压。
    • 80. 发明申请
    • Organic El Drive Circuit and Organic El Display Device Using the Same
    • 有机El驱动电路和使用其的有机EL显示装置
    • US20080042583A1
    • 2008-02-21
    • US11720202
    • 2005-11-21
    • Masato Kobayashi
    • Masato Kobayashi
    • G09G3/00
    • G09G3/3208G09G3/3216G09G3/3275G09G3/3283G09G2330/021
    • A voltage corresponding to the maximum voltage value among respective terminal voltages at least at the time of light emission of organic EL elements is held in a hold circuit, and a power source circuit which generates electric power having a voltage higher by a predetermined value than the voltage held as a power source voltage is provided. The power source voltage is caused to follow and vary depending on the maximum voltage value among the respective terminal voltages at the time of light emission, and is determined as a power source voltage for the output stage current sources. Further, in order to permit operation of the respective output stage current sources with a difference voltage between the power source voltage and the maximum voltage value, the predetermined value is set at the difference voltage or a voltage higher than the difference voltage.
    • 至少在有机EL元件的发光时,对应于各个端子电压中的最大电压值的电压被保持在保持电路中,并且电源电路产生电压高于预定值的电力 提供作为电源电压保持的电压。 导致电源电压随着发光时的各个端子电压中的最大电压值而变化,并且被确定为用于输出级电流源的电源电压。 此外,为了允许各个输出级电流源以电源电压和最大电压值之间的差电压进行操作,将该预定值设定在差电压或高于差电压的电压。