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    • 33. 发明授权
    • Drive circuit and drive method of light emitting display apparatus
    • 发光显示装置的驱动电路及驱动方法
    • US08610695B2
    • 2013-12-17
    • US13086226
    • 2011-04-13
    • Hisae ShimizuKatsumi Abe
    • Hisae ShimizuKatsumi Abe
    • G09G5/00
    • G09G3/3233G09G3/3291G09G2300/0417G09G2300/043G09G2300/0819G09G2300/0861G09G2310/0262G09G2320/043
    • A drive circuit for a light emitting display apparatus including a pixel circuit having a light emitting device for emitting a light having brightness determined based on supplied current and a drive transistor for supplying the current to the light emitting device, comprises a threshold value correction circuit converting a second signal including a threshold voltage of the drive transistor and a data voltage, the second signal being output from the drive transistor when a first signal including the data voltage is input into the control electrode of the drive transistor, into a third signal including the threshold voltage of an inverted polarity and the data voltage or a voltage corresponding to the data voltage, to output the converted third signal to the pixel circuit. The pixel circuit includes a switch for supplying the third signal to the control electrode of the drive transistor.
    • 一种用于发光显示装置的驱动电路,包括具有发光装置的像素电路,所述发光装置用于发射基于所提供的电流确定的亮度的光和用于向所述发光装置提供电流的驱动晶体管,所述驱动电路包括阈值校正电路转换 包括驱动晶体管的阈值电压的第二信号和数据电压,当包括数据电压的第一信号被输入到驱动晶体管的控制电极时,第二信号从驱动晶体管输出到第三信号,第三信号包括 反转极性的阈值电压和数据电压或对应于数据电压的电压,以将转换的第三信号输出到像素电路。 像素电路包括用于将第三信号提供给驱动晶体管的控制电极的开关。