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    • 3. 发明授权
    • Analog buffer and liquid crystal display apparatus using the same and driving method thereof
    • 模拟缓冲液和使用其的液晶显示装置及其驱动方法
    • US07515132B2
    • 2009-04-07
    • US10879162
    • 2004-06-30
    • Kee-Jong KimJuhn-Suk Yoo
    • Kee-Jong KimJuhn-Suk Yoo
    • G09G3/36
    • G09G3/3688G09G2320/0223
    • The present invention provides an analog buffer and a liquid crystal display apparatus using the same and a driving method thereof capable of reducing power consumption. An analog buffer according to the present invention includes: a comparator including an inverter connected in series to the input line; a feedback switch connected between the input line and the output line; and an output inverter, connected between the comparator and the output line, for pre-charging any one of driving voltages of a first driving voltage and a second driving voltage into the output line for a reset interval, and for cutting-off the first and second driving voltages when the pre-charged voltage is fed back via the feedback switch to the input line so that it is converged to the input voltage for a feedback interval.
    • 本发明提供一种模拟缓冲器和使用该缓冲器的液晶显示装置及其能够降低功耗的驱动方法。 根据本发明的模拟缓冲器包括:比较器,包括与输入线串联连接的反相器; 连接在输入线和输出线之间的反馈开关; 以及连接在比较器和输出线之间的输出反相器,用于将第一驱动电压和第二驱动电压的驱动电压中的任一个预充电到输出线中以进行复位间隔,并且用于切断第一和 当预充电电压经由反馈开关反馈到输入线,使得其被收敛到反馈间隔的输入电压时的第二驱动电压。
    • 7. 发明授权
    • Organic light emitting diode display device and method of manufacturing the same
    • 有机发光二极管显示装置及其制造方法
    • US08680517B2
    • 2014-03-25
    • US13495907
    • 2012-06-13
    • Aram ShinJuhn-Suk YooSoo-Jeong Park
    • Aram ShinJuhn-Suk YooSoo-Jeong Park
    • H01L51/50
    • H01L27/1259G09G3/3208G09G2300/0426H01L27/1255H01L51/50
    • An organic light emitting diode display device includes: a semiconductor layer on a substrate and including source and drain regions; a first insulating layer on the semiconductor layer; a gate electrode and a first storage electrode on the first insulating layer; a second insulating layer on the gate electrode and the first storage electrode; source and drain electrodes connected with the source and drain regions, respectively; a second storage electrode on the second insulating layer at a location corresponding to the first storage electrode; a third insulating layer on the source and drain electrodes and the second storage electrode; a first metal layer on the third insulating layer and connecting the drain electrode to an anode; and a second metal layer on the third insulating layer at a location corresponding to the second storage electrode.
    • 一种有机发光二极管显示装置,包括:衬底上的半导体层,包括源区和漏区; 半导体层上的第一绝缘层; 第一绝缘层上的栅电极和第一存储电极; 栅电极和第一存储电极上的第二绝缘层; 源极和漏极分别与源极和漏极区域连接; 在与第一存储电极对应的位置上的第二绝缘层上的第二存储电极; 在源电极和漏电极和第二存储电极上的第三绝缘层; 在所述第三绝缘层上的第一金属层,并将所述漏电极连接到阳极; 以及在与第二存储电极相对应的位置上的第三绝缘层上的第二金属层。
    • 8. 发明授权
    • Analog buffer and method for driving the same
    • 模拟缓冲器及其驱动方法
    • US07132862B2
    • 2006-11-07
    • US10879096
    • 2004-06-30
    • Kee-Jong KimJuhn-Suk Yoo
    • Kee-Jong KimJuhn-Suk Yoo
    • G01C27/02
    • H03F3/45968G09G3/3688G09G2310/0248H03F3/005H03F3/45475H03F2200/78
    • In an analog buffer and a method for driving the same, by providing a pair of switches at a last comparing unit, a voltage level of an output signal is precharged as high as a source voltage level during a first offset period in an Nth initializing period, the voltage level of the output signal is discharged as high as a voltage level of a desired data signal during a discharging period in an Nth signal-applied period, then, the discharged voltage of the output signal, which overshoots a desired data voltage is compensated during a second offset period in the Nth signal-applied period to thereby output an accurate data voltage. In addition, by providing the pair of switches at the last comparing unit, a voltage level of an output signal is discharged to a ground potential during a first offset period in an N+1th initializing period, the voltage level of the output signal is charged as high as a voltage level of the desired data signal during a charging period of an N+1th signal-applied period, then the charged voltage of the output signal, which overshoots a desired data voltage, is compensated during a second offset period to thereby output an accurate data voltage. Accordingly, by the analog buffer and the method for driving the same, a flat panel display device driven by an inversion method can correctly implement a desired color, and thus its image quality can be improved.
    • 在模拟缓冲器及其驱动方法中,通过在最后一个比较单元处设置一对开关,在第N初始化期间的第一偏移周期期间,输出信号的电压电平被预充电为高电压源电压电平 在第N个信号施加期间,在放电期间,输出信号的电压电平被放电为高达期望数据信号的电压电平,则超过期望数据电压的输出信号的放电电压为 在第N信号施加期间的第二偏移期间补偿,从而输出准确的数据电压。 此外,通过在最后一个比较单元处提供一对开关,在第N + 1初始化周期的第一偏移周期期间,输出信号的电压电平被放电到接地电位,输出信号的电压电平被充电 在第N + 1个信号施加周期的充电周期期间与期望数据信号的电压电平一样高,则在第二偏移周期期间补偿过冲期望数据电压的输出信号的充电电压,从而 输出精确的数据电压。 因此,通过模拟缓冲器及其驱动方法,通过反转方式驱动的平板显示装置可以正确地实现期望的颜色,从而可以提高其图像质量。
    • 9. 发明申请
    • Analog buffer and liquid crystal display apparatus using the same and driving method thereof
    • 模拟缓冲液和使用其的液晶显示装置及其驱动方法
    • US20050140625A1
    • 2005-06-30
    • US10879162
    • 2004-06-30
    • Kee-Jong KimJuhn-Suk Yoo
    • Kee-Jong KimJuhn-Suk Yoo
    • G09G3/36
    • G09G3/3688G09G2320/0223
    • The prevent invention provides an analog buffer and a liquid crystal display apparatus using the same and a driving method thereof capable of reducing power consumption. An analog buffer according to the present invention includes: a comparator including an inverter connected in series to the input line; a feedback switch connected between the input line and the output line; and an output inverter, connected between the comparator and the output line, for pre-charging any one of driving voltages of a first driving voltage into the output line for a reset interval, and for cutting-off the second driving voltages when the pre-charged voltage is fed back via the feedback switch to the input line so that it is converged to the input voltage for a feedback interval.
    • 本发明提供了一种模拟缓冲器和使用该模拟缓冲器的液晶显示装置及其能够降低功耗的驱动方法。 根据本发明的模拟缓冲器包括:比较器,包括与输入线串联连接的反相器; 连接在输入线和输出线之间的反馈开关; 以及输出反相器,连接在所述比较器和所述输出线之间,用于将第一驱动电压的驱动电压中的任何一个预充电到所述输出线中以进行复位间隔,以及当所述预定时间间隔期间切断所述第二驱动电压, 充电电压通过反馈开关反馈到输入线,使其收敛到反馈间隔的输入电压。