公开(公告)号：US07768490B2

公开(公告)日：2010-08-03

申请号：US11460636

申请日：2006-07-28

申请人： Hsin-Chung Huang ,  Yi-Nan Chu ,  Hung-Shiang Chen ,  Juin-Ying Huang

发明人： Hsin-Chung Huang ,  Yi-Nan Chu ,  Hung-Shiang Chen ,  Juin-Ying Huang

IPC分类号： G09G3/36

CPC分类号： G09G3/3614 ,  G09G3/2011 ,  G09G2320/0204

摘要： A common voltage compensation device suitable for a display panel of a liquid crystal display is provided. The common voltage compensation device includes a timing controller and a compensation circuit. The timing controller receives an image signal and generates control signals to the compensation circuit according to a determination mechanism. The compensation circuit sends a common voltage compensation signal to the display panel according to the control signals outputted from the timing controller in order to compensate the common voltage on the display panel. The determination mechanism performs an analysis of a gray scale distribution of a horizontal line signal of the image signal, and determines whether to compensate the common voltage according to an analysis result, and determines a polarity required to be compensated to perform the compensation when the compensation is needed.

摘要翻译： 提供了适用于液晶显示器的显示面板的公共电压补偿装置。 公共电压补偿装置包括定时控制器和补偿电路。 定时控制器根据确定机构接收图像信号并产生到补偿电路的控制信号。 补偿电路根据从定时控制器输出的控制信号向显示面板发送公共电压补偿信号，以补偿显示面板上的公共电压。 确定机构对图像信号的水平线信号的灰度分布进行分析，并且根据分析结果确定是否补偿公共电压，并且在补偿时确定需要补偿的极性以执行补偿 是需要的

公开(公告)号：US20070075957A1

公开(公告)日：2007-04-05

申请号：US11163088

申请日：2005-10-04

申请人： Yi-Cheng Chen ,  Hsin-Chung Huang ,  Hung-Shiang Chen

发明人： Yi-Cheng Chen ,  Hsin-Chung Huang ,  Hung-Shiang Chen

IPC分类号： G09G3/36

CPC分类号： G09G3/3685 ,  G09G3/20 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/0673

摘要： A flat panel display, an image correction circuit and method thereof are provided. The image correction circuit mainly includes a digital to analog conversion unit and a data processing unit. The digital to analog conversion unit includes a temperature sensor and a gamma voltage generator. The gamma voltage generator is adopted for generating a plurality of gamma voltages, and the temperature sensor is electrically connected to the gamma voltage generator and adopted for sensing the working temperature of the gamma voltage generator. The data processing unit is electrically connected to the digital to analog conversion unit. When the working temperature of the gamma voltage generator changes to higher (or lower) than the room temperature, the data processing unit selects and outputs applicable digital data to the digital to analog conversion unit. Therefore, the digital to analog conversion unit outputs a predetermined gamma voltage at room temperature according to the digital data.

摘要翻译： 提供了平板显示器，图像校正电路及其方法。 图像校正电路主要包括数模转换单元和数据处理单元。 数模转换单元包括温度传感器和伽玛电压发生器。 伽马电压发生器用于产生多个伽马电压，温度传感器与γ电压发生器电连接，用于感测伽马电压发生器的工作温度。 数据处理单元电连接到数模转换单元。 当伽马电压发生器的工作温度变为比室温更高（或更低）时，数据处理单元选择并输出适用的数字数据到数模转换单元。 因此，数模转换单元根据数字数据在室温下输出预定的伽马电压。

公开(公告)号：US07639222B2

公开(公告)日：2009-12-29

申请号：US11163088

申请日：2005-10-04

申请人： Yi-Cheng Chen ,  Hsin-Chung Huang ,  Hung-Shiang Chen

发明人： Yi-Cheng Chen ,  Hsin-Chung Huang ,  Hung-Shiang Chen

IPC分类号： G09G3/36

CPC分类号： G09G3/3685 ,  G09G3/20 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/0673

摘要： A flat panel display, an image correction circuit and method thereof are provided. The image correction circuit mainly includes a digital to analog conversion unit and a data processing unit. The digital to analog conversion unit includes a temperature sensor and a gamma voltage generator. The gamma voltage generator is adopted for generating a plurality of gamma voltages, and the temperature sensor is electrically connected to the gamma voltage generator and adopted for sensing the working temperature of the gamma voltage generator. The data processing unit is electrically connected to the digital to analog conversion unit. When the working temperature of the gamma voltage generator changes to higher (or lower) than the room temperature, the data processing unit selects and outputs applicable digital data to the digital to analog conversion unit. Therefore, the digital to analog conversion unit outputs a predetermined gamma voltage at room temperature according to the digital data.

摘要翻译： 提供了平板显示器，图像校正电路及其方法。 图像校正电路主要包括数模转换单元和数据处理单元。 数模转换单元包括温度传感器和伽玛电压发生器。 伽马电压发生器用于产生多个伽马电压，温度传感器与γ电压发生器电连接，用于感测伽马电压发生器的工作温度。 数据处理单元电连接到数模转换单元。 当伽马电压发生器的工作温度变为比室温更高（或更低）时，数据处理单元选择并输出适用的数字数据到数模转换单元。 因此，数模转换单元根据数字数据在室温下输出预定的伽马电压。

公开(公告)号：US20080024417A1

公开(公告)日：2008-01-31

申请号：US11460636

申请日：2006-07-28

申请人： Hsin-Chung Huang ,  Yi- Nan Chu ,  Hung-Shiang Chen ,  Juin-Ying Huang

发明人： Hsin-Chung Huang ,  Yi- Nan Chu ,  Hung-Shiang Chen ,  Juin-Ying Huang

IPC分类号： G09G3/36

CPC分类号： G09G3/3614 ,  G09G3/2011 ,  G09G2320/0204

摘要： A common voltage compensation device suitable for a display panel of a liquid crystal display is provided. The common voltage compensation device includes a timing controller and a compensation circuit. The timing controller receives an image signal and generates control signals to the compensation circuit according to a determination mechanism. The compensation circuit sends a common voltage compensation signal to the display panel according to the control signals outputted from the timing controller in order to compensate the common voltage on the display panel. The determination mechanism performs an analysis of a gray scale distribution of a horizontal line signal of the image signal, and determines whether to compensate the common voltage according to an analysis result, and determines a polarity required to be compensated to perform the compensation when the compensation is needed.

摘要翻译： 提供了适用于液晶显示器的显示面板的公共电压补偿装置。 公共电压补偿装置包括定时控制器和补偿电路。 定时控制器根据确定机构接收图像信号并产生到补偿电路的控制信号。 补偿电路根据从定时控制器输出的控制信号向显示面板发送公共电压补偿信号，以补偿显示面板上的公共电压。 确定机构对图像信号的水平线信号的灰度分布进行分析，并且根据分析结果确定是否补偿公共电压，并且在补偿时确定需要补偿的极性以执行补偿 是需要的

公开(公告)号：US20070018938A1

公开(公告)日：2007-01-25

申请号：US11161849

申请日：2005-08-19

申请人： Yen-Chang Wei ,  Hung-Shiang Chen ,  Juin-Ying Huang

发明人： Yen-Chang Wei ,  Hung-Shiang Chen ,  Juin-Ying Huang

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G2320/0223

摘要： A source driving device and a driving method for a display panel of a liquid crystal display are provided. The source driving device comprises a source driver and a current regulator. The source driver receives image data and then outputs image data via a plurality of source lines to drive the display panel. The current regulator is electrically connected to the source driver. By evaluating the image data received by the source driver, when the voltage difference between any two adjacent source lines caused by the image data is larger than a predetermined value, the current regulator is activated to adjust the driving current on the source lines, such as reducing the driving current, to prevent the block dim phenomenon.

摘要翻译： 提供了用于液晶显示器的显示面板的源驱动装置和驱动方法。 源极驱动装置包括源极驱动器和电流调节器。 源驱动器接收图像数据，然后经由多条源极线输出图像数据以驱动显示面板。 电流调节器电连接到源极驱动器。 通过评估由源极驱动器接收到的图像数据，当由图像数据引起的任何两个相邻源极线之间的电压差大于预定值时，电流调节器被激活以调节源极线上的驱动电流，例如 降低驱动电流，防止阻塞现象。

公开(公告)号：US20060158407A1

公开(公告)日：2006-07-20

申请号：US10905693

申请日：2005-01-17

申请人： Hung-Shiang Chen ,  Juin-Ying Huang

发明人： Hung-Shiang Chen ,  Juin-Ying Huang

IPC分类号： G09G3/36

CPC分类号： G09G3/3677 ,  G09G3/3688 ,  G09G2320/0209 ,  G09G2320/0233

摘要： A driving circuit for use in a liquid crystal display (LCD) device includes: a drive signal generator for supplying a gate low voltage (VGL) signal, wherein the voltage swing of the VGL signal is substantially zero; a drive signal modifier coupled to the drive signal generator for generating a modified drive signal according to the VGL signal, wherein the voltage swing of the modified drive signal is substantially not zero; and a gate driving circuit coupled to the drive signal modifier for driving a plurality of scan lines of the liquid crystal display device according to the modified drive signal.

摘要翻译： 一种用于液晶显示器（LCD）器件的驱动电路，包括：用于提供栅极低电压（VGL）信号的驱动信号发生器，其中VGL信号的电压摆幅基本为零; 驱动信号修改器，其耦合到所述驱动信号发生器，用于根据所述VGL信号产生修改的驱动信号，其中所述修改的驱动信号的电压摆幅基本上不为零; 以及栅极驱动电路，其耦合到所述驱动信号修正器，用于根据所述修改的驱动信号驱动所述液晶显示装置的多条扫描线。

公开(公告)号：US20070063955A1

公开(公告)日：2007-03-22

申请号：US11228556

申请日：2005-09-16

申请人： Hung-Shiang Chen ,  Juin-Ying Huang

发明人： Hung-Shiang Chen ,  Juin-Ying Huang

IPC分类号： G09G3/36

CPC分类号： G09G3/3677 ,  G09G2310/0251 ,  G09G2320/0257 ,  G09G2330/025 ,  G09G2330/027

摘要： A driving device, suitable for driving a liquid crystal display panel, comprises a gate driving unit, a source driving unit, a power supply, a unit for reducing tide phenomenon and a current/voltage limit unit. The gate driving unit and the source driving unit are electrically connected with the liquid crystal display panel respectively. The power supply is electrically connected with the gate driving unit and the source driving unit. The unit for reducing tide phenomenon is electrically connected with the gate driving unit, and the current/voltage limit unit is electrically connected with the power supply and the gate driving unit. The current/voltage limit unit is used for limiting the voltages or currents from the power supply to the gate driving unit while reducing the tide phenomenon of the liquid crystal display panel, so as to decrease the possibility of the bonding pads damaged by the rush currents.

摘要翻译： 适于驱动液晶显示面板的驱动装置包括栅极驱动单元，源极驱动单元，电源，用于减少潮汐现象的单元和电流/电压限制单元。 栅极驱动单元和源极驱动单元分别与液晶显示面板电连接。 电源与栅极驱动单元和源极驱动单元电连接。 用于减少潮汐现象的单元与栅极驱动单元电连接，并且电流/电压限制单元与电源和栅极驱动单元电连接。 电流/电压限制单元用于限制从电源到栅极驱动单元的电压或电流，同时减少液晶显示面板的潮汐现象，从而降低由于冲击电流而损坏的焊盘的可能性 。