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    • 7. 发明授权
    • Display control drive device and display system
    • 显示控制驱动装置和显示系统
    • US07834835B2
    • 2010-11-16
    • US11733705
    • 2007-04-10
    • Yasuhito KurokawaKunihiko Tani
    • Yasuhito KurokawaKunihiko Tani
    • G09G3/36
    • G09G3/36G09G3/2003G09G3/2011G09G3/2014G09G3/3611G09G3/3648G09G3/3688G09G2310/0297G09G2360/02
    • In a display control drive device that displays an image on a display device, a data transfer rate may vary depending on received image data because of a difference in an image size. Assuming that driving force with which a driver or an amplifier is driven is designed based on a maximum data transfer rate and the driver or amplifier is operated with the driving force, when the transfer rate is low, an unnecessary current is consumed. According to the present invention, a display control drive device sequentially reads display data from a display memory in which the display data is stored, produces three primary color image signals that are applied to pixel locations in a dot-matrix color display device, and transmits the signals through a common external output terminal in a time-sharing manner. Moreover, the display control drive device produces control signals to be applied to selection switching elements that are incorporated in the display device and that selectively apply an input image signal to any of three source lines. The display control drive device includes: a unit that determines one horizontal period on the basis of a clock received from outside synchronously with display data; and a signal production circuit that produces and transmits the control signals, which are applied to the selection switching elements, so that the control signals will have a pulse duration equivalent to a time calculated by trisecting one horizontal period.
    • 在显示装置上显示图像的显示控制驱动装置中,由于图像尺寸的差异,数据传送速率可以根据接收的图像数据而变化。 假设驱动器或放大器被驱动的驱动力是基于最大数据传输速率来设计的,并且驱动器或放大器以驱动力进行操作,当传输速率低时,消耗不必要的电流。 根据本发明,显示控制驱动装置从存储显示数据的显示存储器顺序读取显示数据,产生应用于点阵彩色显示装置中的像素位置的三原色图像信号, 信号通过共同的外部输出端子以分时方式进行。 此外,显示控制驱动装置产生要施加到包含在显示装置中的选择开关元件的控制信号,并且选择性地将输入图像信号施加到三个源极线中的任一个。 显示控制驱动装置包括:基于与显示数据同步地从外部接收的时钟确定一个水平周期的单元; 以及信号产生电路,其产生并发送施加到选择开关元件的控制信号,使得控制信号具有等于通过对一个水平周期进行三分段计算的时间的脉冲持续时间。
    • 8. 发明授权
    • Display control drive device and display system
    • 显示控制驱动装置和显示系统
    • US07209111B2
    • 2007-04-24
    • US10453823
    • 2003-06-04
    • Yasuhito KurokawaKunihiko Tani
    • Yasuhito KurokawaKunihiko Tani
    • G09G3/36
    • G09G3/36G09G3/2003G09G3/2011G09G3/2014G09G3/3611G09G3/3648G09G3/3688G09G2310/0297G09G2360/02
    • A display control drive device sequentially reads display data from a display memory in which the display data is stored, produces three primary color image signals that are applied to pixel locations in a dot-matrix color display device, and transmits the signals through a common external output terminal in a time-sharing manner. The display control drive device produces control signals applied to selection switching elements in the display device and that selectively apply an input image signal to any of three source lines. The display control drive device includes: a unit that determines one horizontal period based on a clock received from outside synchronously with display data; and a signal production circuit that produces and transmits the control signals, applied to the selection switching elements, so that the control signals will have a pulse duration equivalent to a time calculated by trisecting one horizontal period.
    • 显示控制驱动装置从显示数据存储的显示存储器中顺序地读取显示数据,产生应用于点阵彩色显示装置中的像素位置的三原色图像信号,并通过公共外部 输出端子以分时方式进行。 显示控制驱动装置产生施加到显示装置中的选择开关元件的控制信号,并且选择性地将输入图像信号施加到三个源极线中的任一个。 显示控制驱动装置包括:与显示数据同步地基于从外部接收的时钟确定一个水平周期的单元; 以及信号产生电路,其产生并发送施加到选择开关元件的控制信号,使得控制信号将具有等于通过对一个水平周期进行三分段计算的时间的脉冲持续时间。