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1. 发明授权

US08344985B2 Liquid crystal display with common voltage compensation and driving method thereof 有权
标题翻译：具有公共电压补偿的液晶显示器及其驱动方法
公开(公告)号：US08344985B2
公开(公告)日：2013-01-01
申请号：US12152101
申请日：2008-05-12
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G3/36
CPC分类号： G09G3/3696 , G09G3/3655 , G09G2340/16
摘要： An exemplary liquid crystal display (300) includes a liquid crystal panel (301) having a plurality of pixel units (340), a data processor (391) having a calculation circuit (393) and an analyzing circuit (394), and a common voltage circuit (305). The calculation circuit is configured to carry out a predetermined calculation between display signals corresponding to a current frame period and display signals corresponding to a previous frame period. The analyzing circuit is configured to provide a compensating signal according to a result of the calculation. The common voltage circuit is configured to adjust a reference voltage signal according to the compensating signal, so as to generate a common voltage signal for the pixel units. A related method for driving a liquid crystal display is also provided.
摘要翻译：示例性液晶显示器（300）包括具有多个像素单元（340）的液晶面板（301），具有计算电路（393）和分析电路（394）的数据处理器（391）电压电路（305）。计算电路被配置为对与当前帧周期相对应的显示信号和对应于前一帧周期的显示信号执行预定的计算。分析电路被配置为根据计算结果提供补偿信号。公共电压电路被配置为根据补偿信号调整参考电压信号，以便产生用于像素单元的公共电压信号。还提供了一种用于驱动液晶显示器的相关方法。

2. 发明授权

US07893624B2 Backlight control circuit having frequency setting circuit and method for controlling lighting of a lamp 有权
标题翻译：背光控制电路具有频率设定电路和控制灯的照明的方法
公开(公告)号：US07893624B2
公开(公告)日：2011-02-22
申请号：US12214176
申请日：2008-06-16
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： H01J61/52
CPC分类号： H05B41/2855
摘要： An exemplary backlight control circuit includes an inverter, a pulse width modulation (PWM) circuit, and a frequency setting circuit. The inverter is configured to provide an alternating current voltage to a lamp. The PWM circuit is configured to provide a pulse control signal to the inverter. The frequency setting circuit configured to regulate a frequency of the pulse control signal provided by the PWM circuit according to an environment temperature.
摘要翻译：示例性背光控制电路包括逆变器，脉宽调制（PWM）电路和频率设定电路。逆变器被配置为向灯提供交流电压。 PWM电路被配置为向逆变器提供脉冲控制信号。频率设定电路，被配置为根据环境温度调节由PWM电路提供的脉冲控制信号的频率。

3. 发明申请

US20090262103A1 Method for adjusting common voltage of liquid crystal display device 有权
标题翻译：调整液晶显示装置公共电压的方法
公开(公告)号：US20090262103A1
公开(公告)日：2009-10-22
申请号：US12386602
申请日：2009-04-20
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G5/00
CPC分类号： G09G3/3611 , G09G3/3614 , G09G3/3655 , G09G2320/0247 , G09G2320/0693 , G09G2360/145
摘要： A method for adjusting a common voltage of an LCD device includes providing an LCD device and a photodetector, obtaining variable parameters Ya, Yb and Yc, the variable parameters Ya, Yb and Yc respectively denoting flicker intensity of the LCD device when the common voltages are parameters Va, Vb and Vc, Vb exceed Va, and is less than Vc, when Yb exceeds Yc and is less than Ya, increasing the parameters Va, Vb and Vc respectively and repeating the two steps, when Yb exceeds Ya and is less than Yc, decreasing the parameters Va, Vb and Vc respectively and repeating the two steps, and when Yb is less than or equals Ya and is less than or equals Yc, setting an arbitrary value between Va and Vc as an optimum common voltage of the LCD device.
摘要翻译：一种用于调节LCD装置的公共电压的方法包括：提供LCD装置和光电检测器，获得可变参数Ya，Yb和Yc，分别表示当公用电压为LCD时的LCD装置的闪烁强度的可变参数Ya，Yb和Yc 参数Va，Vb和Vc，Vb超过Va，当Yb超过Yc且小于Ya时小于Vc，分别增加参数Va，Vb和Vc，并重复两个步骤，当Yb超过Ya并且小于 Yc分别减小参数Va，Vb和Vc并重复两个步骤，当Yb小于或等于Ya且小于或等于Yc时，将Va和Vc之间的任意值设置为LCD的最佳公共电压设备。

4. 发明申请

US20090189882A1 Data driver circuit, method for driving same, and LCD device using same 有权
标题翻译：数据驱动电路，驱动方法及使用其的LCD装置
公开(公告)号：US20090189882A1
公开(公告)日：2009-07-30
申请号：US12321688
申请日：2009-01-23
申请人： Shun-Ming Huang , Deng-Tzung Tang
发明人： Shun-Ming Huang , Deng-Tzung Tang
IPC分类号： G09G5/00 , G09G3/36
CPC分类号： G09G3/3688 , G09G3/2014 , G09G3/3614 , G09G2310/027 , G09G2310/0289 , G09G2310/061 , G09G2320/0261
摘要： An exemplary data driving circuit includes a data register, a counter, and a comparator. The data register is configured for receiving serial gray level signals in turn, and outputting the plurality of gray level signals in parallel. The counter is configured for outputting counting signals. The comparator is configured for receiving the gray level signals and the counting signals, and outputting pulse voltage signals according to the gray level signals and the counting signals. A variety of duty ratios of the pulse voltage signals correspond to a variety of gray levels.
摘要翻译：示例性数据驱动电路包括数据寄存器，计数器和比较器。数据寄存器被配置为依次接收串行灰度级信号，并且并行地输出多个灰度级信号。计数器配置为输出计数信号。比较器被配置为接收灰度信号和计数信号，并根据灰度信号和计数信号输出脉冲电压信号。脉冲电压信号的各种占空比对应于各种灰度级。

5. 发明申请

US20090002306A1 Common voltage generating circuit having square wave generating unit and liquid crystal display using same 有权
标题翻译：具有方波发生单元的共电压发生电路和使用其的液晶显示器
公开(公告)号：US20090002306A1
公开(公告)日：2009-01-01
申请号：US12215583
申请日：2008-06-27
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G3/36 , H03K3/84
CPC分类号： G09G3/3655
摘要： A common voltage generating circuit includes a square wave generating unit, a diode, a NOT gate, a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, and an output terminal. The square wave generating unit includes an output terminal, which is coupled to the output terminal of the common voltage generating circuit via the first resistor, a positive terminal of the diode, a negative terminal of the diode, and the second resistor in series. The output terminal of the square wave generating unit is coupled to the negative terminal of the diode via the NOT gate and the first capacitor. The positive terminal of the diode is grounded via the second capacitor, and the output terminal of the common voltage generating circuit is grounded via the third capacitor. A duty ratio of the output square wave generating unit is capable of being modulated.
摘要翻译：公共电压发生电路包括方波发生单元，二极管，非门，第一电容器，第二电容器，第三电容器，第一电阻器，第二电阻器和输出端子。方波发生单元包括输出端子，其通过第一电阻器耦合到公共电压发生电路的输出端子，二极管的正极端子，二极管的负极端子和第二电阻器串联连接。方波发生单元的输出端通过非门和第一电容耦合到二极管的负端。二极管的正极通过第二电容器接地，公共电压发生电路的输出端通过第三电容器接地。能够调制输出方波发生单元的占空比。

6. 发明申请

US20080309604A1 Liquid crystal display having polarity analyzing unit for determining polarities pixels thereof 有权
标题翻译：具有用于确定其极性像素的极性分析单元的液晶显示器
公开(公告)号：US20080309604A1
公开(公告)日：2008-12-18
申请号：US12214181
申请日：2008-06-16
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G3/36
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2320/0204 , G09G2320/0247 , G09G2360/16
摘要： A liquid crystal display (300) includes a liquid crystal panel (310) having a plurality of pixels P(i, j) arranged in a matrix, a brightness identification unit (343) configured for identifying a brightness of an image element to be displayed by at least one pixel, a polarity analyzing unit (344) configured for analyzing a result of the identification, and a data circuit (330). The polarity analyzing unit is also configured for generating a composed binary signal having a first binary portion the same as the primary display signal and an additive second binary portion. The data circuit is configured to provide a data voltage to drive the pixel according to the signal. A value of the data voltage is determined by a first binary portion of the composed binary signal, and a polarity of the pixel is determined by the second binary portion of the composed binary signal.
摘要翻译：液晶显示器（300）包括具有排列成矩阵的多个像素P（i，j）的液晶面板（310），被配置为识别要显示的图像元素的亮度的亮度识别单元（343）通过至少一个像素，配置用于分析识别结果的极性分析单元（344）和数据电路（330）。极性分析单元还被配置为用于生成具有与主显示信号相同的第一二进制部分和加法第二二进制部分的组合二进制信号。数据电路被配置为提供数据电压以根据信号驱动像素。数据电压的值由合成的二进制信号的第一二进制部分确定，并且由合成二进制信号的第二二进制部分确定像素的极性。

7. 发明授权

US08633921B2 Data driving circuit and liquid crystal display device including the same 有权
标题翻译：数据驱动电路和包括其的液晶显示装置
公开(公告)号：US08633921B2
公开(公告)日：2014-01-21
申请号：US12321688
申请日：2009-01-23
申请人： Shun-Ming Huang , Deng-Tzung Tang
发明人： Shun-Ming Huang , Deng-Tzung Tang
IPC分类号： G09G5/00
CPC分类号： G09G3/3688 , G09G3/2014 , G09G3/3614 , G09G2310/027 , G09G2310/0289 , G09G2310/061 , G09G2320/0261
摘要： An exemplary data driving circuit includes a data register, a counter, and a comparator. The data register is configured for receiving serial gray level signals in turn, and outputting the plurality of gray level signals in parallel. The counter is configured for outputting counting signals. The comparator is configured for receiving the gray level signals and the counting signals, and outputting pulse voltage signals according to the gray level signals and the counting signals. A variety of duty ratios of the pulse voltage signals correspond to a variety of gray levels.
摘要翻译：示例性数据驱动电路包括数据寄存器，计数器和比较器。数据寄存器被配置为依次接收串行灰度级信号，并且并行地输出多个灰度级信号。计数器配置为输出计数信号。比较器被配置为接收灰度信号和计数信号，并根据灰度信号和计数信号输出脉冲电压信号。脉冲电压信号的各种占空比对应于各种灰度级。

8. 发明授权

US08558774B2 Liquid crystal display with symbol bit generating circuit and driving method thereof 有权
标题翻译：具有符号位产生电路的液晶显示器及其驱动方法
公开(公告)号：US08558774B2
公开(公告)日：2013-10-15
申请号：US12156570
申请日：2008-06-02
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G3/3614 , G09G2320/0247 , G09G2360/16 , G09G2360/18
摘要： An exemplary liquid crystal display includes a data circuit, a memory, and a timing controller. The data circuit includes a polarity generating circuit. The timing controller includes: a data analysis circuit configured for analyzing video signals stored in the memory and generates a corresponding symbol bit to each datum according to the category of each datum; and a symbol bit generating circuit configured for receiving the video data from the data analysis circuit, and keeping or altering the symbol bit of each datum according to the symbol bit of each datum outputted from the data analysis circuit. The data circuit is configured for receiving the video data having symbol bits from the timing controller. The polarity generating circuit is configured for generating a corresponding polarity control signal according to each of the symbol bits of the video data. A related method for driving the liquid crystal display is also provided.
摘要翻译：示例性液晶显示器包括数据电路，存储器和定时控制器。数据电路包括极性产生电路。定时控制器包括：数据分析电路，被配置为分析存储在存储器中的视频信号，并根据每个数据的类别对每个数据生成相应的符号位; 以及符号位生成电路，被配置为从数据分析电路接收视频数据，并且根据从数据分析电路输出的每个数据的符号位保持或改变每个数据的符号位。数据电路被配置为从定时控制器接收具有符号位的视频数据。极性产生电路被配置为根据视频数据的每个符号位产生相应的极性控制信号。还提供了用于驱动液晶显示器的相关方法。

9. 发明授权

US08362989B2 Liquid crystal display device with periodical changed voltage difference between data voltage and common voltage and driving method thereof 有权
标题翻译：具有数据电压与公共电压之间周期性变化的电压差的液晶显示装置及其驱动方法
公开(公告)号：US08362989B2
公开(公告)日：2013-01-29
申请号：US12011970
申请日：2008-01-29
申请人： Chien-Fan Tung , Shun-Ming Huang
发明人： Chien-Fan Tung , Shun-Ming Huang
IPC分类号： G09G3/36 , G09G3/18 , G06F3/038
CPC分类号： G09G3/3655 , G09G3/3614 , G09G2320/0204
摘要： An exemplary liquid crystal display device (20) includes a plurality of pixel electrode (26), a common electrode (22), a data driving circuit (33) configured for providing data voltages to each pixel electrode, and a common voltage generating circuit (34) configured for providing a common voltage to the common electrode. The common voltage generating circuit includes a hysteresis comparator circuit (341) and a direct current voltage adjusting circuit (343). The hysteresis comparator circuit is configured for providing an alternating current voltage, and the direct current voltage adjusting circuit is configured for providing a direct current voltage with periodic change. The direct current voltage is configured for superimposing on the alternating current voltage to form a common voltage, and an absolute value of the common voltage changes only slightly within a predetermined range from each frame to the next adjacent frame. A method for driving the liquid crystal display device is also provided.
摘要翻译：示例性液晶显示装置（20）包括多个像素电极（26），公共电极（22），被配置为向每个像素电极提供数据电压的数据驱动电路（33）和公共电压产生电路 34），其被配置为向所述公共电极提供公共电压。公共电压产生电路包括磁滞比较器电路（341）和直流电压调节电路（343）。迟滞比较器电路被配置为提供交流电压，并且直流电压调节电路被配置为提供具有周期性变化的直流电压。直流电压被配置为叠加在交流电压上以形成公共电压，并且公共电压的绝对值仅在从每个帧到下一相邻帧的预定范围内稍微改变。还提供了一种用于驱动液晶显示装置的方法。

10. 发明授权

US08106863B2 Common voltage generating circuit having square wave generating unit and liquid crystal display using same 有权
标题翻译：具有方波发生单元的共电压发生电路和使用其的液晶显示器
公开(公告)号：US08106863B2
公开(公告)日：2012-01-31
申请号：US12215583
申请日：2008-06-27
申请人： Shun-Ming Huang
发明人： Shun-Ming Huang
IPC分类号： G09G3/36
CPC分类号： G09G3/3655
摘要： A common voltage generating circuit includes a square wave generating unit, a diode, a NOT gate, a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, and an output terminal. The square wave generating unit includes an output terminal, which is coupled to the output terminal of the common voltage generating circuit via the first resistor, a positive terminal of the diode, a negative terminal of the diode, and the second resistor in series. The output terminal of the square wave generating unit is coupled to the negative terminal of the diode via the NOT gate and the first capacitor. The positive terminal of the diode is grounded via the second capacitor, and the output terminal of the common voltage generating circuit is grounded via the third capacitor. A duty ratio of the output square wave generating unit is capable of being modulated.
摘要翻译：公共电压发生电路包括方波发生单元，二极管，非门，第一电容器，第二电容器，第三电容器，第一电阻器，第二电阻器和输出端子。方波发生单元包括输出端子，其通过第一电阻器耦合到公共电压发生电路的输出端子，二极管的正极端子，二极管的负极端子和第二电阻器串联连接。方波发生单元的输出端通过非门和第一电容耦合到二极管的负端。二极管的正极通过第二电容器接地，公共电压发生电路的输出端通过第三电容器接地。能够调制输出方波发生单元的占空比。

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