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    • 9. 发明申请
    • DYNAMIC LEVEL-ADJUSTMENT COMPENSATION CIRCUIT AND METHOD FOR DYNAMIC LEVEL-ADJUSTMENT COMPENSATION
    • 动态水平调整补偿电路及动态调整补偿方法
    • US20060077199A1
    • 2006-04-13
    • US10711862
    • 2004-10-11
    • Mu-Shan LiaoWen-Tse Tseng
    • Mu-Shan LiaoWen-Tse Tseng
    • G09G5/00
    • G09G3/2007G09G2320/0673G09G2320/103
    • The dynamic level-adjustment compensation circuit includes an analyzing unit, multiple gamma voltage generators and a selector. The analyzing unit is used to analyze the gray-level distribution of the dynamic image signal and output an analysis signal. Each of the gamma voltage generators producing a gamma voltage determined by a gamma characteristic curve. The selector is electrically connected to the analyzing unit and the gamma voltage generators. The selector selects one of the gamma voltage generators according to the analysis signal and the selected gamma voltage generator outputs the corresponding gamma voltage. The gray-level distribution of the dynamic image signal input to a display can be analyzed and then, determined by the analysis result, one of gamma voltage generators is selected to output a gamma voltage driving a display. Accordingly, the image quality can be improved.
    • 动态电平调整补偿电路包括分析单元,多个伽马电压发生器和选择器。 分析单元用于分析动态图像信号的灰度分布,并输出分析信号。 每个伽马电压发生器产生由伽马特性曲线确定的伽马电压。 选择器电连接到分析单元和伽马电压发生器。 选择器根据分析信号选择一个伽马电压发生器,并且所选择的伽马电压发生器输出相应的伽马电压。 可以分析输入到显示器的动态图像信号的灰度分布,然后由分析结果确定,选择一个伽马电压发生器来输出驱动显示器的伽马电压。 因此,可以提高图像质量。