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    • 42. 发明授权
    • Voltage level shift circuit
    • 电压电平移位电路
    • US07449916B2
    • 2008-11-11
    • US11417372
    • 2006-05-03
    • Chien-Ru ChenYing-Lieh ChenLin-Kai BuYu-Jui Chang
    • Chien-Ru ChenYing-Lieh ChenLin-Kai BuYu-Jui Chang
    • H03K19/094H03K19/0175H03L5/00
    • H03K19/018528
    • A voltage level shift circuit is provided. The circuit includes an input buffer unit, a level shift unit and a voltage stabilizing capacitor. The input buffer is coupled between a first voltage source and a first ground terminal. The level shift unit is coupled between a second voltage source and a second ground terminal. An input terminal of the level shift unit is coupled to an output terminal of the input buffer unit. The voltage stabilizing capacitor is coupled between the first voltage source and the second ground terminal. When a state transition occurs in the level shift unit, the voltage stabilizing capacitor maintains a voltage difference between the output terminal of the input buffer unit and the second ground terminal.
    • 提供电压电平移位电路。 电路包括输入缓冲单元,电平移位单元和稳压电容器。 输入缓冲器耦合在第一电压源和第一接地端子之间。 电平移位单元耦合在第二电压源和第二接地端子之间。 电平移位单元的输入端子耦合到输入缓冲器单元的输出端子。 稳压电容器耦合在第一电压源和第二接地端子之间。 当在电平移位单元中发生状态转移时,稳压电容器保持输入缓冲器单元的输出端子与第二接地端子之间的电压差。
    • 50. 发明授权
    • Source driver
    • 源驱动程序
    • US08207929B2
    • 2012-06-26
    • US12345258
    • 2008-12-29
    • Da-Rong HuangChien-Ru Chen
    • Da-Rong HuangChien-Ru Chen
    • G09G3/36
    • G09G3/3685G09G2310/0275G09G2310/0291G09G2310/0297G09G2310/08G09G2320/0247
    • A source driver adapted to drive a plurality of data lines on a display panel is disclosed. The source driver includes a first output buffer, a second output buffer, a multiplexer, and a first regulating unit. The first and the second output buffers respectively enhance transmission intensities of a first and a second pixel signals. The first regulating unit regulates a slew rate of the first pixel signal outputted from the first output buffer to match a slew rate of the second pixel signal outputted from the second output buffer. The multiplexer coupled to the regulating unit selectively transmits the first and the second pixel signals to one of the odd data lines and one of the even data line, or to the one of the even data lines or the one of the odd data lines, according to a control signal.
    • 公开了一种适于在显示面板上驱动多条数据线的源极驱动器。 源极驱动器包括第一输出缓冲器,第二输出缓冲器,多路复用器和第一调节单元。 第一和第二输出缓冲器分别提高第一和第二像素信号的透射强度。 第一调节单元调节从第一输出缓冲器输出的第一像素信号的转换速率,以匹配从第二输出缓冲器输出的第二像素信号的转换速率。 耦合到调节单元的多路复用器选择性地将第一和第二像素信号发送到奇数数据线之一和偶数数据线之一,或偶数数据线中的一条或奇数数据线中的一条,根据 到控制信号。