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    • 4. 发明授权
    • Driving circuit for liquid crystal display device and method for driving the same
    • 液晶显示装置的驱动电路及其驱动方法
    • US09218760B2
    • 2015-12-22
    • US13314367
    • 2011-12-08
    • Song-Jae LeeYoung-Ho Kim
    • Song-Jae LeeYoung-Ho Kim
    • G06F3/038G09G3/20
    • G09G3/2096G09G2310/08
    • A driving circuit for a liquid crystal display device includes a liquid crystal panel comprising a plurality of pixel areas to display an image; a data driver configured to drive data lines of the liquid crystal panel; a gate driver configured to drive gate lines of the liquid crystal panel; and a timing controller configured to generate an internal enable signal in an initial driving where an external power is applied, to control the gate and data drivers, and configured to control the gate and data drivers based on synchronization signals, after controlling the driving of the gate driver to be stopped for one frame period when at least one synchronization signals are input from outside.
    • 液晶显示装置的驱动电路包括:液晶面板,包括多个像素区域以显示图像; 配置为驱动液晶面板的数据线的数据驱动器; 栅极驱动器,被配置为驱动所述液晶面板的栅极线; 以及定时控制器,其被配置为在施加外部电力的初始驱动中产生内部使能信号,以控制所述栅极和数据驱动器,并且被配置为在控制所述栅极和数据驱动器的驱动之后基于同步信号来控制所述栅极和数据驱动器 当从外部输入至少一个同步信号时,门驱动器停止一帧周期。
    • 5. 发明授权
    • Liquid crystal display device using different methods according to type of image signals and method of driving the same
    • 液晶显示装置根据图像信号的类型使用不同的方法和驱动方法
    • US08749467B2
    • 2014-06-10
    • US12838651
    • 2010-07-19
    • Song-Jae LeeYoung-Ho Kim
    • Song-Jae LeeYoung-Ho Kim
    • G09G3/36
    • G09G3/3614G09G3/3648G09G2320/0242G09G2320/0613
    • A liquid crystal display device includes: a liquid crystal panel that displays images using a plurality of pixels each including red, green and blue sub-pixels; a gate driving portion that supplies a gate signal to the liquid crystal panel; a data driving portion that supplies a data signal to the liquid crystal panel; and a timing control portion that compares difference of gray level between image signals corresponding to the red, green and blue sub-pixels with a first threshold value and compares difference of gray level between the image signals corresponding to the red, green and blue sub-pixels of neighboring pixels of the plurality of pixels in order to judge type of the image signals, and drives the data driving portion in different methods according to the type of the image signals.
    • 液晶显示装置包括:液晶面板,其使用包括红色,绿色和蓝色子像素的多个像素显示图像; 栅极驱动部,其向液晶面板提供栅极信号; 将数据信号提供给液晶面板的数据驱动部; 以及定时控制部分,其将与红色,绿色和蓝色子像素相对应的图像信号之间的灰度差与第一阈值进行比较,并且将红色,绿色和蓝色子像素对应的图像信号之间的灰度差进行比较, 以便判断图像信号的类型,并根据图像信号的类型以不同的方法驱动数据驱动部分。