公开(公告)号：US20140168183A1

公开(公告)日：2014-06-19

申请号：US13810929

申请日：2012-12-24

Applicant: Xueliang Yang

Inventor： Xueliang Yang

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G2320/0204 ,  G09G2370/08 ,  G09G2370/14

Abstract: The present invention provides a driving device for controlling polarity reversal for liquid crystal display panel, which includes a timing control circuit, for adding a polarity reversal control bit to image data, and generating image data of mini-LVDS format according to predefined mini-LVDS format protocol; and a panel driving circuit, for receiving image data of the control information of mini-LVDS format from the timing control circuit, and separating the polarity reversal control bit and the image data of the pixels from the received image data of mini-LVDS format.

Abstract translation: 本发明提供了一种用于控制液晶显示面板的极性反转的驱动装置，其包括用于将极性反转控制位加到图像数据上的定时控制电路，以及根据预定义的小LVDS产生迷你LVDS格式的图像数据 格式协议; 以及面板驱动电路，用于从定时控制电路接收迷你LVDS格式的控制信息的图像数据，并从所接收的迷你LVDS格式的图像数据中分离极性反转控制位和像素的图像数据。

公开(公告)号：US20140176094A1

公开(公告)日：2014-06-26

申请号：US13811287

申请日：2012-12-28

Applicant: Xueliang Yang

Inventor： Xueliang Yang

IPC: G05F1/62

CPC classification number: G05F1/62 ,  H02M3/1582 ,  H02M2001/0045 ,  Y10T307/707

Abstract: The present invention provides a DC/DC module of a LCD driving circuit. The DC/DC module comprises a buck-boost circuit, which is used to convert the input voltage of the DC/DC module into a gate off-state voltage VGL; a LDO circuit, which is connected in series to the buck-boost circuit, used to convert the input voltage of the buck-boost circuit into a lower limit output voltage VBB of a liquid crystal driver; a BUCK circuit, which is used to convert the input voltage of the DC/DC module into a operating voltage VDD of a specific IC; a charge pump circuit, which is used to convert the input voltage of the DC/DC module into a gate on-state voltage VGH; wherein, the input voltage of the DC/DC module is used directly as an upper limit output voltage VAA of the liquid crystal driver. The DC/DC module according to the present invention has simple circuit structure, low hardware cost, and high load capacity.

Abstract translation: 本发明提供一种LCD驱动电路的DC / DC模块。 DC / DC模块包括降压 - 升压电路，用于将DC / DC模块的输入电压转换成栅极截止电压VGL; 与降压 - 升压电路串联连接的LDO电路，用于将降压 - 升压电路的输入电压转换为液晶驱动器的下限输出电压VBB; BUCK电路，用于将DC / DC模块的输入电压转换为特定IC的工作电压VDD; 电荷泵电路，用于将DC / DC模块的输入电压转换为栅极导通状态电压VGH; 其中，DC / DC模块的输入电压直接用作液晶驱动器的上限输出电压VAA。 根据本发明的DC / DC模块具有电路结构简单，硬件成本低，负载能力高。