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    • 3. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF
    • 液晶显示装置及其驱动方法
    • US20080211790A1
    • 2008-09-04
    • US11945669
    • 2007-11-27
    • Yong-Chae JungMin-Hwa Kim
    • Yong-Chae JungMin-Hwa Kim
    • G06F3/038G09G3/36
    • G09G3/3688G09G3/3266G09G2320/0214
    • A liquid crystal display device includes a liquid crystal panel, a gate driver, a data driver, and an initial driving control unit. The liquid crystal panel includes a plurality of liquid crystal cells. Each liquid crystal cell is defined by a gate line, a data line and a thin film transistor. The gate driver controls the thin film transistor connected to the gate line of each liquid crystal cell according to a gate control signal. The data driver outputs a pixel signal to the data line of the each liquid crystal cell according to a data control signal. The data driver includes a switch connected to the data line of the each liquid crystal cell. The initial driving control unit is structured to compare a clock count with a predetermined reference value and operable to alternately generate a first state signal and a second state signal based on the comparison. The unit applies the first state signal to the switch during a masking interval. The pixel signal is not output to the data line during the masking interval.
    • 液晶显示装置包括液晶面板,栅极驱动器,数据驱动器和初始驱动控制单元。 液晶面板包括多个液晶单元。 每个液晶单元由栅极线,数据线和薄膜晶体管限定。 栅极驱动器根据栅极控制信号控制连接到每个液晶单元的栅极线的薄膜晶体管。 数据驱动器根据数据控制信号将像素信号输出到每个液晶单元的数据线。 数据驱动器包括连接到每个液晶单元的数据线的开关。 初始驱动控制单元被构造为将时钟计数与预定参考值进行比较,并且可操作以基于该比较交替地产生第一状态信号和第二状态信号。 在屏蔽间隔期间,该单元将第一状态信号施加到开关。 在屏蔽间隔期间,像素信号不输出到数据线。
    • 6. 发明申请
    • Liquid crystal display device and method for driving the same
    • 液晶显示装置及其驱动方法
    • US20090140973A1
    • 2009-06-04
    • US12292998
    • 2008-12-02
    • Min Hwa KimJu Han KimWook JeonJae Won ShinRok Hee LeeTae Yoon Kang
    • Min Hwa KimJu Han KimWook JeonJae Won ShinRok Hee LeeTae Yoon Kang
    • G09G3/36
    • G09G3/3413G09G2320/064G09G2320/0666G09G2320/0693G09G2360/145
    • A liquid crystal display (LCD) device and a method for driving the same, which are capable of achieving an enhancement in display quality, are disclosed. The LCD device includes a display panel for displaying an image, a backlight unit comprising a plurality red light sources, a plurality of green light sources, and a plurality of blue light sources, a backlight driver for controlling a duty rate of a first drive signal to drive the red light sources, a duty rate of a second drive signal to drive the green light sources, and a duty rate of a third drive signal to drive the blue light sources, in accordance with a control signal including color coordinate information and luminance information, a luminance corrector for varying the luminance information of the control signal when the duty rate of one of the first to third drive signal is 100%, and a light sensor for sensing light beams from the light sources, generating light sensing signals based on the sensed light beams, and supplying the light sensing signals to the backlight driver and to the luminance corrector.
    • 公开了能够实现显示质量提高的液晶显示(LCD)装置及其驱动方法。 LCD装置包括用于显示图像的显示面板,包括多个红色光源的背光单元,多个绿色光源和多个蓝色光源,用于控制第一驱动信号的占空比的背光驱动器 驱动红色光源,驱动绿色光源的第二驱动信号的占空比和根据包括颜色坐标信息和亮度的控制信号驱动蓝色光源的第三驱动信号的占空比 信息,用于当第一至第三驱动信号之一的占空比为100%时改变控制信号的亮度信息的亮度校正器,以及用于感测来自光源的光束的光传感器,基于 感测的光束,并将光感测信号提供给背光驱动器和亮度校正器。
    • 8. 发明授权
    • Liquid crystal display device and method for driving the same
    • 液晶显示装置及其驱动方法
    • US08274471B2
    • 2012-09-25
    • US12292998
    • 2008-12-02
    • Min Hwa KimJu Han KimWook JeonJae Won ShinRok Hee LeeTae Yoon Kang
    • Min Hwa KimJu Han KimWook JeonJae Won ShinRok Hee LeeTae Yoon Kang
    • G09G3/32G09G3/36
    • G09G3/3413G09G2320/064G09G2320/0666G09G2320/0693G09G2360/145
    • A liquid crystal display (LCD) device and a method for driving the same, which are capable of achieving an enhancement in display quality, are disclosed. The LCD device includes a display panel for displaying an image, a backlight unit comprising a plurality red light sources, a plurality of green light sources, and a plurality of blue light sources, a backlight driver for controlling a duty rate of a first drive signal to drive the red light sources, a duty rate of a second drive signal to drive the green light sources, and a duty rate of a third drive signal to drive the blue light sources, in accordance with a control signal including color coordinate information and luminance information, a luminance corrector for varying the luminance information of the control signal when the duty rate of one of the first to third drive signal is 100%, and a light sensor for sensing light beams from the light sources, generating light sensing signals based on the sensed light beams, and supplying the light sensing signals to the backlight driver and to the luminance corrector.
    • 公开了能够实现显示质量提高的液晶显示(LCD)装置及其驱动方法。 LCD装置包括用于显示图像的显示面板,包括多个红色光源的背光单元,多个绿色光源和多个蓝色光源,用于控制第一驱动信号的占空比的背光驱动器 驱动红色光源,驱动绿色光源的第二驱动信号的占空比和根据包括颜色坐标信息和亮度的控制信号驱动蓝色光源的第三驱动信号的占空比 信息,用于当第一至第三驱动信号之一的占空比为100%时改变控制信号的亮度信息的亮度校正器,以及用于感测来自光源的光束的光传感器,基于 感测的光束,并将光感测信号提供给背光驱动器和亮度校正器。