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    • 1. 发明授权
    • Drive circuit device for display device, and display device using the same
    • 用于显示装置的驱动电路装置,以及使用其的显示装置
    • US07245281B2
    • 2007-07-17
    • US10102264
    • 2002-03-20
    • Satoshi SekidoYasutake FurukoshiSyouichi Fukutoku
    • Satoshi SekidoYasutake FurukoshiSyouichi Fukutoku
    • G09G3/36
    • G09G3/3677G09G3/3614G09G3/3688G09G2300/0426G09G2330/021G09G2330/06
    • A drive circuit device for a display device which drives a plurality of source bus lines provided on a display panel includes a driver unit that receives a clock signal, a data signal and a control signal, sequentially fetches the data signal, and generates drive signals for the source bus lines in accordance to the fetched data signal. The device further includes a gate unit that, after elapse of specified time from the reception of the driver unit, and at a timing when a rear-stage drive circuit device starts receiving, starts outputting of a propagation signal including at least one of the clock signal, data signal and control signal to the rear-stage drive circuit device. Consequently, the power consumption required for supplying these signals and the generated amount of electromagnetic waves resulting from the signal supply can be suppressed.
    • 用于驱动设置在显示面板上的多条源极总线的显示装置的驱动电路装置包括驱动单元,其接收时钟信号,数据信号和控制信号,顺序取出数据信号,并产生用于 源总线根据获取的数据信号。 该装置还包括门单元,在从驱动器单元的接收经过指定时间之后,并且在后级驱动电路装置开始接收的定时,开始输出包括至少一个时钟的传播信号 信号,数据信号和控制信号发送到后级驱动电路装置。 因此,可以抑制供给这些信号所需的功率消耗和由信号供给产生的电磁波的产生量。
    • 3. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07408541B2
    • 2008-08-05
    • US10808071
    • 2004-03-24
    • Syouichi Fukutoku
    • Syouichi Fukutoku
    • G06F1/38
    • G06F1/3265G06F1/3203G09G3/3611G09G2320/02G09G2330/02Y02D10/153
    • When an input power supply fed to a liquid crystal display device is cut off, a gate-on power supply for driving a gate line of a display part is automatically changed from a first power supply that reduces luminance inclination unevenness in the display part to a second power supply that causes residual charges in liquid crystal to be discharged. Consequently, at a normal driving time, a good quality display image with reduced unevenness in luminance inclination can be obtained, and at a power-off time, the display due to the residual charges of the liquid crystal is cleared so that an after image can be prevented from being visible.
    • 当馈送到液晶显示装置的输入电源被切断时,用于驱动显示部分的栅极线的栅极导通电源自从将显示部分的亮度倾斜不均匀性降低到第一电源的第一电源自动地改变 导致液晶中的残留电荷放电的第二电源。 因此,在通常的驱动时间下,可以获得亮度不均匀性良好的高质量的显示图像,并且在断电时间时,由于液晶的剩余电荷而导致的显示被清除,使得后置图像可以 被阻止被看见。
    • 6. 发明授权
    • Liquid crystal display device with judging section
    • 具有判断部分的液晶显示装置
    • US06734840B2
    • 2004-05-11
    • US09735136
    • 2000-12-12
    • Syouichi FukutokuKazuhiro Nukiyama
    • Syouichi FukutokuKazuhiro Nukiyama
    • G09G336
    • G09G3/3614G09G3/3648G09G3/3688G09G2320/0247
    • Disclosed are a liquid crystal display device and a method and a circuit for driving the same. A gradation difference between the image data to be supplied to the picture elements of the same color of two pixels adjacent in a horizontal direction is detected in a gradation difference judging section, and when the gradation difference is larger than a predetermined gradation difference, it is judged in the same pattern of a size relationship detecting section and a horizontal pattern counting section whether the size relationship between the gradations of the picture elements of the same color of the two pixels repeats in the horizontal direction at least a certain number of times or not. And hence, when the size relationship repeats at least a certain number of times, it is compared with those of a plurality of lines continuously arranged in a vertical direction, and it is judged on the basis of the result of the comparisons whether a flicker occurs or not. And hence, when the flicker may occur over a plurality of frames, a polarity pattern switching signal is changed, whereby a polarity pattern which determines the polarities of the image data to be supplied from a data driver to a liquid crystal display panel is switched.
    • 公开了一种液晶显示装置及其驱动方法和电路。在灰度差中检测要提供给与水平方向相邻的两个像素的相同颜色的像素的图像数据之间的灰度差 判断部分,并且当灰度差大于预定灰度差时,以与尺寸关系检测部分和水平图案计数部分相同的图案判断相同颜色的图像元素的灰度之间的尺寸关系 的两个像素在水平方向上重复至少一定次数。 因此,当尺寸关系至少重复一定次数时,将其与在垂直方向上连续布置的多条线的那些进行比较,并且基于比较的结果来判断是否发生闪烁 或不。 因此,当在多个帧上发生闪烁时,极性图案切换信号被改变,从而切换将从数据驱动器提供给液晶显示面板的图像数据的极性确定的极性图案。