Shift register circuit, image display apparatus having the circuit, and driving method for LCD devices
    1.
    发明授权
    Shift register circuit, image display apparatus having the circuit, and driving method for LCD devices 有权
    移位寄存器电路,具有电路的图像显示装置以及LCD装置的驱动方法

    公开(公告)号:US06879313B1

    公开(公告)日:2005-04-12

    申请号:US09523511

    申请日:2000-03-10

    IPC分类号: G09G3/36 G11C19/28 G11C19/00

    摘要: A shift register circuit includes a plurality of latch circuits connected in series to sequentially transfer a pulse signal ST from one to another, a clock signal line transmitting a clock signal CLK, and a plurality of switching circuits performing electrical connection and disconnection between the clock signal line and the plurality of latch circuits. Upon turning on the shift register, at least one of the switching circuits electrically disconnects at least one of the latch circuits from the clock signal line. During an initialization period immediately after power has been turned on, the frequency of the clock signal CLK is lower than in a normal operation period and gradually increases toward the frequency used in the normal operation period.

    摘要翻译: 移位寄存器电路包括串联连接的多个锁存电路,以顺序地将脉冲信号ST从一个传送到另一个,一个发送时钟信号CLK的时钟信号线以及执行时钟信号之间的电连接和断开的多个开关电路 线和多个锁存电路。 在接通移位寄存器时,至少一个开关电路将至少一个锁存电路与时钟信号线电断开。 在电源接通之后的初始化期间,时钟信号CLK的频率比正常运行期间低,并且在正常运行期间逐渐增大。

    Shift register circuit, image display apparatus having the circuit, and driving method for LCD devices
    6.
    发明授权
    Shift register circuit, image display apparatus having the circuit, and driving method for LCD devices 有权
    移位寄存器电路,具有电路的图像显示装置以及LCD装置的驱动方法

    公开(公告)号:US07193604B2

    公开(公告)日:2007-03-20

    申请号:US11060963

    申请日:2005-02-18

    IPC分类号: G09G3/36

    摘要: A shift register circuit includes a plurality of latch circuits connected in series to sequentially transfer a pulse signal ST from one to another, a clock signal line transmitting a clock signal CLK, and a plurality of switching circuits performing electrical connection and disconnection between the clock signal line and the plurality of latch circuits. Upon turning on the shift register, at least one of the switching circuits electrically disconnects at least one of the latch circuits from the clock signal line. During an initialization period immediately after power has been turned on, the frequency of the clock signal CLK is lower than in a normal operation period and gradually increases toward the frequency used in the normal operation period.

    摘要翻译: 移位寄存器电路包括串联连接的多个锁存电路,以顺序地将脉冲信号ST从一个传送到另一个,一个发送时钟信号CLK的时钟信号线以及执行时钟信号之间的电连接和断开的多个开关电路 线和多个锁存电路。 在接通移位寄存器时,至少一个开关电路将至少一个锁存电路与时钟信号线电断开。 在电源接通之后的初始化期间,时钟信号CLK的频率比正常运行期间低,并且在正常运行期间逐渐增大。

    Image display device and driving method thereof
    7.
    发明授权
    Image display device and driving method thereof 有权
    图像显示装置及其驱动方法

    公开(公告)号:US06873313B2

    公开(公告)日:2005-03-29

    申请号:US09822768

    申请日:2001-03-30

    IPC分类号: G09G3/36

    摘要: An image display device of this invention includes a pre-charging voltage stabilizing section having current controlling means and charge holding means which respectively include a resistor and a capacitor to stabilize a pre-charging voltage. The charge holding means holds a voltage to be supplied to data signal lines, and the current controlling means suppresses a current flow from a control signal generating circuit, thereby suppressing power fluctuation at the control signal generating circuit. This suppresses fluctuation in the pre-charging voltage and enables data signal lines to be charged to a predetermined voltage, thereby suppressing deterioration of image quality and an increase in power consumption of the image display device. Further, when using the pre-charging voltage stabilizing section and setting a portion of a display as a video data non-display area avoiding display of video data in a non-match image display mode to display at fixed brightness in the video data non-display area by a pre-charging voltage from a pre-charging circuit, a control signal is suspended in a fixed period, thus realizing a non-match image display mode to display a video image of an aspect ratio different from that of a screen of a display without impairing an image quality, and saving power.

    摘要翻译: 本发明的图像显示装置包括具有电流控制装置和电荷保持装置的预充电电压稳定部分,其分别包括用于稳定预充电电压的电阻器和电容器。 电荷保持装置保持要提供给数据信号线的电压,并且电流控制装置抑制来自控制信号发生电路的电流,从而抑制控制信号发生电路的功率波动。 这抑制了预充电电压的波动,并且能够使数据信号线被充电到预定电压,从而抑制图像质量的劣化和图像显示装置的功耗的增加。 此外,当使用预充电电压稳定部分并且将显示器的一部分设置为视频数据非显示区域时,避免以不匹配的图像显示模式显示视频数据,以在视频数据非显示区域中以固定亮度显示, 通过来自预充电电路的预充电电压来显示区域,控制信号以固定的时间段被暂停,从而实现不匹配的图像显示模式,以显示不同于屏幕的宽高比的视频图像 显示而不损害图像质量,并且节省电力。