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    • 3. 发明授权
    • Signal line drive circuit and display device using the same
    • 信号线驱动电路及使用其的显示装置
    • US07202846B2
    • 2007-04-10
    • US10440077
    • 2003-05-15
    • Kazuhiro MaedaSachio TsujinoKeiji TakahashiHajime Washio
    • Kazuhiro MaedaSachio TsujinoKeiji TakahashiHajime Washio
    • G09G3/36
    • G09G3/3688G09G2310/0294G09G2330/021G09G2340/0421
    • A data signal line drive circuit is provided with: a shift register belonging to a system, whose stages correspond to respective sampling units for driving odd-number-th data signal lines; and a shift register belonging to another system, whose stages correspond to respective sampling units for driving even-number-th data signal lines. On the occasion of low-resolution mode, only either of the shift registers is operated, and in accordance with the outputs from the respective stages of the shift register which has been operated, timing signals, which are supplied to the sampling units corresponding to the stages of both shift registers, are generated. With this arrangement, even if one of input signals each having different signal line resolution is inputted, a signal line drive circuit which consumes a small amount of electric power can be realized, while it is possible to specify the timings of the operation of signal line drive sections for driving signal lines, in accordance with the input signal.
    • 数据信号线驱动电路具有:属于系统的移位寄存器,其级对应于用于驱动奇数数据信号线的相应采样单元; 以及属于另一系统的移位寄存器,其级对应于用于驱动第二数据信号线的相应采样单元。 在低分辨率模式的情况下,仅移动寄存器中的任一个被操作,并且根据已经被操作的移位寄存器的各个级的输出,定时信号被提供给对应于 生成两个移位寄存器的阶段。 通过这样的配置,即使输入信号线分辨率不同的输入信号之一,也可以实现消耗少量电力的信号线驱动电路,同时可以规定信号线的动作时序 用于驱动信号线的驱动部分,根据输入信号。