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    • 2. 发明申请
    • Image signal processing circuit used in electronic product
    • 图像信号处理电路用于电子产品
    • US20080106611A1
    • 2008-05-08
    • US11983019
    • 2007-11-05
    • Gang-Qiang ZhengBin YangJian-Ying Lan
    • Gang-Qiang ZhengBin YangJian-Ying Lan
    • H04N5/228
    • H04N5/23293H04N5/2628H04N9/045
    • An exemplary image signal processing circuit (20) includes an image sensor (22), a drive circuit (28), and a microprocessor (24). The drive circuit includes an image signal processor (25) and a data processor (26). The microprocessor is provided to send control signals to the image sensor, the image signal processor, and the data processor. The image sensor is provided to receive exterior light beams and to convert the light beams into image signals. The image signal processor is provided to turn on the image sensor and convert the image signals received from the image sensor into image signals of a predetermined type and having a predetermined resolution. The data processor is provided to receive the image signals converted by the image signal processor and to process the converted image signals to be applied to a display device such that the display device displays corresponding images.
    • 示例性图像信号处理电路(20)包括图像传感器(22),驱动电路(28)和微处理器(24)。 驱动电路包括图像信号处理器(25)和数据处理器(26)。 提供微处理器以向图像传感器,图像信号处理器和数据处理器发送控制信号。 图像传感器被提供以接收外部光束并将光束转换成图像信号。 提供图像信号处理器以打开图像传感器并将从图像传感器接收的图像信号转换成预定类型并具有预定分辨率的图像信号。 提供数据处理器以接收由图像信号处理器转换的图像信号,并处理要应用于显示装置的转换图像信号,使得显示装置显示相应的图像。
    • 8. 发明申请
    • Active matrix liquid crystal display and driving method and driving circuit thereof
    • 有源矩阵液晶显示及其驱动方法及驱动电路
    • US20070139344A1
    • 2007-06-21
    • US11642040
    • 2006-12-18
    • Gang-Qiang ZhengJian-Ying LanHong-Xin Mo
    • Gang-Qiang ZhengJian-Ying LanHong-Xin Mo
    • G09G3/36
    • G09G3/3614G09G3/3648G09G2320/0247G09G2320/029
    • An exemplary driving circuit of an active matrix liquid crystal display (LCD) (2) having an LCD panel includes a gate driving circuit (22), a data driving circuit (23), a timing control circuit (21), and a detecting circuit (21). The data driving circuit provides a plurality of gradation voltages to the LCD panel. The detecting circuit (28) is configured for detecting a first voltage difference between a pixel electrode and a common electrode in a first frame, detecting a second voltage difference between the pixel electrode and the common electrode in a second frame, generating an adjusting instruction according to a difference between the first voltage difference and the second voltage difference, and providing the adjusting instruction to the timing control circuit. The timing control circuit controls the data driving circuit to change a gradation voltage according to the adjusting instruction before an inverted gradation voltage is provided to LCD panel.
    • 具有LCD面板的有源矩阵液晶显示器(LCD)(2)的示例性驱动电路包括栅极驱动电路(22),数据驱动电路(23),定时控制电路(21)和检测电路 (21)。 数据驱动电路向LCD面板提供多个灰度电压。 检测电路(28)被配置为检测第一帧中的像素电极和公共电极之间的第一电压差,检测第二帧中的像素电极和公共电极之间的第二电压差,产生根据 到第一电压差和第二电压差之间的差,并向定时控制电路提供调整指令。 定时控制电路根据调整指令控制数据驱动电路,以便在向LCD面板提供反相灰度电压之前改变灰度电压。