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    • 2. 发明授权
    • Display driving circuit, display device, and display driving method
    • 显示驱动电路,显示装置和显示驱动方法
    • US08531443B2
    • 2013-09-10
    • US13062549
    • 2009-06-22
    • Takayuki YanagawaAtsushi OkadaYasushi Sasaki
    • Takayuki YanagawaAtsushi OkadaYasushi Sasaki
    • G09G3/36G09G5/00
    • G09G3/3614G09G3/3648G09G3/3655G09G3/3677G09G2300/0417G09G2300/0809G09G2300/0823G09G2310/0262
    • Provided is a display driving circuit eliminating occurrence of lateral stripes in the first frame from which display corresponding to a video signal is started in CC driving premised on line inversion driving. A source bus line drive circuit outputs a source signal whose polarity is reversed in sync with horizontal scanning period for each row and whose polarity is opposite in an adjacent horizontal scanning period on the same row. A CS bus line drive circuit outputs, after the horizontal scanning period for each row, a CS signal with potential switched along a direction according to polarity of the source signal in the horizontal scanning period concerned. The CS bus line drive circuit outputs the CS signal in a first frame so that potential of the CS signal when the switching element on one row is switched is different from potential of a CS signal on an adjacent row.
    • 提供了一种显示驱动电路,消除了在线路反转驱动中的CC驱动中开始显示对应于视频信号的第一帧中的横向条纹的发生。 源极总线驱动电路输出与各行的水平扫描期间同步的极性反转的源极信号,并且在同一行的相邻的水平扫描期间极性相反。 CS总线驱动电路在每行的水平扫描周期之后,在相关的水平扫描期间,沿着与源极信号的极性相反的方向切换电位的CS信号。 CS总线驱动电路在第一帧中输出CS信号,使得一行上的开关元件切换时CS信号的电位与相邻行上的CS信号的电位不同。
    • 3. 发明申请
    • DISPLAY DRIVING CIRCUIT, DISPLAY DEVICE, AND DISPLAY DRIVING METHOD
    • 显示驱动电路,显示设备和显示驱动方法
    • US20110169790A1
    • 2011-07-14
    • US13062549
    • 2009-06-22
    • Takayuki YanagawaAtsushi OkadaYasushi Sasaki
    • Takayuki YanagawaAtsushi OkadaYasushi Sasaki
    • G09G5/00G09G3/36
    • G09G3/3614G09G3/3648G09G3/3655G09G3/3677G09G2300/0417G09G2300/0809G09G2300/0823G09G2310/0262
    • The present invention eliminates, for CC driving based on line inversion driving, the appearance of lateral stripes in a first frame in which an image corresponding to a video signal starts to be displayed. The present invention includes: a gate line driving circuit (30) which outputs a gate signal for turning on switching element on a corresponding row for a corresponding one of horizontal scanning periods which are sequentially allocated to the respective rows; a source bus line driving circuit which outputs a source signal for switching between line inversion driving and frame inversion driving; and a CS bus line driving circuit (40) which outputs a CS signal having a potential which is, after the horizontal scanning period for the row, switched in a direction (that is, either (from the low level to the high level or from the high level to the low level) determined in accordance with the polarity of the source signal during the horizontal scanning period. The CS bus line driving circuit (40) outputs the CS signal so that only during the line inversion driving, the potential of the CS signal at the timing at which the switching elements on the row are turned off is different between adjacent rows during the first frame.
    • 本发明消除了对于基于线路反转驱动的CC驱动,开始显示对应于视频信号的图像的第一帧中的横向条纹的出现。 本发明包括:栅极线驱动电路(30),输出用于接通相应行的开关元件的栅极信号,用于依次分配给各行的相应的一个水平扫描周期; 源极总线驱动电路,其输出用于在线路反转驱动与帧反转驱动之间切换的源极信号; 以及CS总线驱动电路(40),其输出具有在行的水平扫描期间之后的电位的CS信号,该方向(即,从低电平到高电平或从 在水平扫描期间根据源信号的极性确定的高电平到低电平的电平,CS总线驱动电路(40)输出CS信号,使得仅在线路反转驱动期间, 在第一帧期间,在行上的开关元件被关闭的定时的CS信号在相邻行之间是不同的。