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    • 17. 发明申请
    • DRIVING CIRCUIT APPARATUS
    • 驱动电路设备
    • US20090096819A1
    • 2009-04-16
    • US12237604
    • 2008-09-25
    • Hiroyuki Kinoshita
    • Hiroyuki Kinoshita
    • G09G5/02G09G5/10
    • G09G3/3685G09G3/3696G09G2320/0276G09G2320/0285
    • A driving circuit that reduces chip size of a source driver while maintaining image quality when image data is configured by multiple bits. The source driver provided in connection with a timing controller that converts image data into color data. The source driver displays an image by controlling pixel density of a liquid crystal panel. The source driver is divided into plural regions in units of pseudo linear elements to perform a gamma correcting operation based on a gamma characteristic. In the source driver a GMA voltage for each region is divided by resistive elements arranged between input signal lines. With respect to variation of plural divided GMA voltages, variation of the maximum high density region becomes coarser than variation of the maximum low density region in compliance with visual sensitivity of the density, thus reducing the number of input data lines of the source driver.
    • 驱动电路,当图像数据由多位配置时,可以在保持图像质量的同时降低源驱动器的芯片尺寸。 提供的源驱动程序与将图像数据转换为彩色数据的定时控制器相关联。 源驱动器通过控制液晶面板的像素密度来显示图像。 源极驱动器以伪线性元件为单位分成多个区域,以基于伽马特性进行伽马校正操作。 在源极驱动器中,每个区域的GMA电压由布置在输入信号线之间的电阻元件分压。 对于多个分割的GMA电压的变化,最大高密度区域的变化比密度的视觉灵敏度的最大低密度区域的变化更粗糙,因此减少了源极驱动器的输入数据线的数量。