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    • 6. 发明授权
    • Liquid crystal display having image edge enhancement circuit and image edge enhancement method for same
    • 具有图像边缘增强电路和图像边缘增强方法的液晶显示器
    • US07868863B2
    • 2011-01-11
    • US11788967
    • 2007-04-23
    • Kai-Chieh Chan
    • Kai-Chieh Chan
    • G09G3/36
    • G09G3/3611G06T5/003G06T2207/10024G06T2207/20192G09G2340/02
    • An exemplary liquid crystal display (200) includes a data circuit (230), a timing control and video output unit (210). The timing control and video output unit includes an image edge enhancement circuit (211) configured for sharpening at least one edge of an image shown by the liquid crystal display, and a converter (212). The image edge enhancement circuit includes a color adjusting unit (214) and a brightness comparison unit (213). The color adjusting unit configured for receiving and adjusting Cb, Cr color factors of the YCbCr image signals according to a result of comparison of brightness factors Y of the YCbCr image signals received from the brightness comparison unit. The adjusted YCbCr image signal is converted to a corresponding RGB signals by the converter circuit and the RGB signals are sent to the data driving circuit.
    • 示例性液晶显示器(200)包括数据电路(230),定时控制和视频输出单元(210)。 定时控制和视频输出单元包括被配置为锐化由液晶显示器所示的图像的至少一个边缘的图像边缘增强电路(211)和转换器(212)。 图像边缘增强电路包括颜色调整单元(214)和亮度比较单元(213)。 颜色调整单元,被配置为根据从亮度比较单元接收的YCbCr图像信号的亮度因子Y的比较结果接收和调整YCbCr图像信号的Cb,Cr颜色因子。 调整后的YCbCr图像信号由转换器电路转换成相应的RGB信号,RGB信号被发送到数据驱动电路。
    • 7. 发明申请
    • Liquid crystal display having image edge enhancement circuit and image edge enhancement method for same
    • 具有图像边缘增强电路和图像边缘增强方法的液晶显示器
    • US20070247405A1
    • 2007-10-25
    • US11788967
    • 2007-04-23
    • Kai-Chieh Chan
    • Kai-Chieh Chan
    • G09G3/36
    • G09G3/3611G06T5/003G06T2207/10024G06T2207/20192G09G2340/02
    • An exemplary liquid crystal display (200) includes a data circuit (230), a timing control and video output unit (210). The timing control and video output unit includes an image edge enhancement circuit (211) configured for sharpening at least one edge of an image shown by the liquid crystal display, and a converter (212). The image edge enhancement circuit includes a color adjusting unit (214) and a brightness comparison unit (213). The color adjusting unit configured for receiving and adjusting Cb, Cr color factors of the YCbCr image signals according to a result of comparison of brightness factors Y of the YCbCr image signals received from the brightness comparison unit. The adjusted YCbCr image signal is converted to a corresponding RGB signals by the converter circuit and the RGB signals are sent to the data driving circuit.
    • 示例性液晶显示器(200)包括数据电路(230),定时控制和视频输出单元(210)。 定时控制和视频输出单元包括被配置为锐化由液晶显示器所示的图像的至少一个边缘的图像边缘增强电路(211)和转换器(212)。 图像边缘增强电路包括颜色调整单元(214)和亮度比较单元(213)。 颜色调整单元,被配置为根据从亮度比较单元接收的YCbCr图像信号的亮度因子Y的比较结果接收和调整YCbCr图像信号的Cb,Cr颜色因子。 调整后的YCbCr图像信号由转换器电路转换成相应的RGB信号,RGB信号被发送到数据驱动电路。