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1. 发明授权

US07167149B2 Driving circuit of display and flat panel display 有权
标题翻译：显示器和平板显示器的驱动电路
公开(公告)号：US07167149B2
公开(公告)日：2007-01-23
申请号：US10707676
申请日：2004-01-02
申请人： Kuang-Feng Sung , Tsun-Tu Wang , Chun-Yi Chou
发明人： Kuang-Feng Sung , Tsun-Tu Wang , Chun-Yi Chou
IPC分类号： G09G3/36
CPC分类号： G09G3/3685 , G09G2310/027 , G09G2330/021
摘要： A driving circuit and a flat panel display using thereof are disclosed. The driving circuit includes a gamma voltage generator, a plurality of first buffers and a converter. The gamma voltage generator is used for providing a plurality of first gamma voltages. Each of the first buffers is provided for receiving each of the first gamma voltages to generate a second gamma voltage respectively. The converter is provided for receiving the second gamma voltages and the first display data to output the image driving signal by selecting one of the corresponding second gamma voltages according to the first display data.
摘要翻译：公开了一种使用它的驱动电路和平板显示器。驱动电路包括伽马电压发生器，多个第一缓冲器和转换器。 γ电压发生器用于提供多个第一伽玛电压。提供每个第一缓冲器用于接收每个第一伽马电压以分别产生第二伽马电压。提供转换器用于接收第二伽马电压和第一显示数据，以根据第一显示数据选择相应的第二伽马电压之一来输出图像驱动信号。

2. 发明申请

US20050093797A1 [DRIVING CIRCUIT OF DISPLAY AND FLAT PANEL DISPLAY] 有权
标题翻译： [显示器和平板显示器的驱动电路]
公开(公告)号：US20050093797A1
公开(公告)日：2005-05-05
申请号：US10707676
申请日：2004-01-02
申请人： Kuang-Feng Sung , Tsun-Tu Wang , Chun-Yi Chou
发明人： Kuang-Feng Sung , Tsun-Tu Wang , Chun-Yi Chou
IPC分类号： G02F1/133 , G09G3/20 , G09G3/30 , G09G3/36 , H04N5/66
CPC分类号： G09G3/3685 , G09G2310/027 , G09G2330/021
摘要： A driving circuit and a flat panel display using thereof are disclosed. The driving circuit includes a gamma voltage generator, a plurality of first buffers and a converter. The gamma voltage generator is used for providing a plurality of first gamma voltages. Each of the first buffers is provided for receiving each of the first gamma voltages to generate a second gamma voltage respectively. The converter is provided for receiving the second gamma voltages and the first display data to output the image driving signal by selecting one of the corresponding second gamma voltages according to the first display data.
摘要翻译：公开了一种使用它的驱动电路和平板显示器。驱动电路包括伽马电压发生器，多个第一缓冲器和转换器。 γ电压发生器用于提供多个第一伽玛电压。提供每个第一缓冲器用于接收每个第一伽马电压以分别产生第二伽马电压。提供转换器用于接收第二伽马电压和第一显示数据，以根据第一显示数据选择相应的第二伽马电压之一来输出图像驱动信号。

3. 发明申请

US20120169368A1 TEST CIRCUIT OF SOURCE DRIVER 审中-公开
标题翻译：源驱动器测试电路
公开(公告)号：US20120169368A1
公开(公告)日：2012-07-05
申请号：US13191488
申请日：2011-07-27
申请人： Ji-Ting Chen , Shun-Hsun Yang , Kuang-Feng Sung
发明人： Ji-Ting Chen , Shun-Hsun Yang , Kuang-Feng Sung
IPC分类号： G01R31/40
CPC分类号： G09G3/006
摘要： A test circuit of a source driver is disclosed. The test circuit includes a voltage selector and at least one digital-to-analog converter (DAC). The voltage selector has a plurality of first output terminals. The voltage selector outputs a first voltage at one of the first output terminals in a sequential order according to a selection signal and outputs a second voltage at the other first output terminals. Each of the at least one DACs has a plurality of the input terminals respectively coupled to the first output terminals and also has a second output terminal. The DAC transmits the first voltage received by one of the input terminals to the second output terminal in a sequential order according to the selection signal.
摘要翻译：公开了一种源驱动器的测试电路。测试电路包括电压选择器和至少一个数模转换器（DAC）。电压选择器具有多个第一输出端子。电压选择器根据选择信号按顺序输出第一输出端子之一的第一电压，并在其它第一输出端子处输出第二电压。至少一个DAC中的每一个具有分别耦合到第一输出端子并且还具有第二输出端子的多个输入端子。 DAC根据选择信号按顺序将由一个输入端子接收的第一电压发送到第二输出端子。

4. 发明申请

US20110063031A1 DRIVING APPARATUS AND DRIVING METHOD THEREOF 有权
标题翻译：驱动装置及其驱动方法
公开(公告)号：US20110063031A1
公开(公告)日：2011-03-17
申请号：US12951076
申请日：2010-11-22
申请人： Min-Chieh Hsu , Kuang-Feng Sung
发明人： Min-Chieh Hsu , Kuang-Feng Sung
IPC分类号： H03F3/45
CPC分类号： H03F3/45237 , H03F2200/411 , H03F2203/45466 , H03F2203/45504 , H03F2203/45514
摘要： A driving apparatus and a driving method thereof are provided. The driving apparatus includes a digital to analog converter and a signal amplifier. The digital to analog converter is used for receiving a digital data and converting the digital data to an analog signal. The signal amplifier is coupled to the digital to analog converter. The signal amplifier is used for receiving the analog signal to generate a driving signal. The signal amplifier also dynamically changes the driving ability of the driving signal according to at least one bit of the digital data.
摘要翻译：提供了一种驱动装置及其驱动方法。驱动装置包括数模转换器和信号放大器。数模转换器用于接收数字数据并将数字数据转换为模拟信号。信号放大器耦合到数模转换器。信号放大器用于接收模拟信号以产生驱动信号。信号放大器还根据数字数据的至少一位动态地改变驱动信号的驱动能力。

5. 发明授权

US07605656B2 Operational amplifier with rail-to-rail common-mode input and output range 失效
标题翻译：具有轨到轨共模输入和输出范围的运算放大器
公开(公告)号：US07605656B2
公开(公告)日：2009-10-20
申请号：US11781268
申请日：2007-07-22
申请人： Kuang-Feng Sung
发明人： Kuang-Feng Sung
IPC分类号： H03F3/04
CPC分类号： H03F3/3022 , H03F3/4521 , H03F3/45219 , H03F2200/513 , H03F2203/45641
摘要： An operational amplifier with a rail-to-rail common-mode input and output range comprises a differential input stage consisting of a first differential pair and a second differential pair for receiving an input signal; a summing circuit coupled to the differential input stage for outputting a summation result of the output signals of the first differential pair and second differential pair; and a push-pull output stage coupled to the summing circuit for outputting an amplified signal comprising an output terminal for outputting the amplified signal, a source coupled transistors for generating a control voltage according to output current of the summing circuit, and a first output transistor and a second output transistor for controlling current of the first output transistor and the second output transistor according to the control voltage of the source coupled transistor.
摘要翻译：具有轨到轨共模输入和输出范围的运算放大器包括由用于接收输入信号的第一差分对和第二差分对组成的差分输入级; 耦合到差分输入级的加法电路，用于输出第一差分对和第二差分对的输出信号的求和结果; 以及耦合到所述求和电路的推挽输出级，用于输出包括用于输出所述放大信号的输出端的放大信号，用于根据所述求和电路的输出电流产生控制电压的源耦合晶体管，以及第一输出晶体管以及第二输出晶体管，用于根据源耦合晶体管的控制电压来控制第一输出晶体管和第二输出晶体管的电流。

6. 发明授权

US08242992B2 Driving apparatus and driving method thereof 有权
公开(公告)号：US08242992B2
公开(公告)日：2012-08-14
申请号：US12951076
申请日：2010-11-22
申请人： Min-Chieh Hsu , Kuang-Feng Sung
发明人： Min-Chieh Hsu , Kuang-Feng Sung
IPC分类号： G09G3/36
CPC分类号： H03F3/45237 , H03F2200/411 , H03F2203/45466 , H03F2203/45504 , H03F2203/45514
摘要： A driving apparatus and a driving method thereof are provided. The driving apparatus includes a digital to analog converter and a signal amplifier. The digital to analog converter is used for receiving a digital data and converting the digital data to an analog signal. The signal amplifier is coupled to the digital to analog converter. The signal amplifier is used for receiving the analog signal to generate a driving signal. The signal amplifier also dynamically changes the driving ability of the driving signal according to at least one bit of the digital data.

7. 发明申请

US20100188374A1 DRIVING METHOD FOR LIQUID CRYSTAL DISPLAY DEVICE AND RELATED DEVICE 有权
标题翻译：液晶显示装置的驱动方法及相关装置
公开(公告)号：US20100188374A1
公开(公告)日：2010-07-29
申请号：US12538173
申请日：2009-08-10
申请人： Ji-Ting Chen , Kuang-Feng Sung
发明人： Ji-Ting Chen , Kuang-Feng Sung
IPC分类号： G09G5/00
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2330/021
摘要： A driving method for a Liquid Crystal Display (LCD) device is used for reducing power consumption of the LCD device. The driving method includes determining a driving approach of the LCD device, and performing corresponding charge sharing on a plurality of data channels according to the driving approach. The driving approach of the LCD device is determined according to a latch data (LD) signal and a polarity signal.
摘要翻译：液晶显示器（LCD）装置的驱动方法用于降低LCD装置的功耗。所述驱动方法包括：根据所述驱动方法确定所述LCD装置的驱动方法，以及对多个数据信道执行相应的电荷共享。根据锁存数据（LD）信号和极性信号来确定LCD装置的驱动方式。

8. 发明授权

US07626528B2 Digital to analog converter with high driving capability 有权
标题翻译：具有高驱动能力的数模转换器
公开(公告)号：US07626528B2
公开(公告)日：2009-12-01
申请号：US11776548
申请日：2007-07-11
申请人： Tsung-Hau Chang , Kuang-Feng Sung
发明人： Tsung-Hau Chang , Kuang-Feng Sung
IPC分类号： H03M1/66
CPC分类号： H03M1/76
摘要： A digital-to-analog converter with high driving capability includes a voltage generator for generating voltages, a voltage division circuit coupled to the voltage generator for outputting a plurality of reference voltages according to voltages generated by the voltage generator, a decode unit for decoding a digital signal, a switch circuit coupled to the voltage division circuit and the decode unit for switching to output one of the plurality of reference voltages, and a current generator coupled to the voltage division circuit for generating currents to the voltage division circuit.
摘要翻译：具有高驱动能力的数模转换器包括用于产生电压的电压发生器，耦合到电压发生器的分压电路，用于根据由电压发生器产生的电压输出多个参考电压;解码单元，数字信号，耦合到分压电路的开关电路和用于切换以输出多个参考电压中的一个的解码单元;以及耦合到分压电路的电流发生器，用于向分压电路产生电流。

9. 发明申请

US20090015297A1 SOURCE DRIVER WITH CHARGE SHARING 有权
标题翻译：来源驱动器与充电共享
公开(公告)号：US20090015297A1
公开(公告)日：2009-01-15
申请号：US11866407
申请日：2007-10-02
申请人： Chao-An Chen , Kuang-Feng Sung
发明人： Chao-An Chen , Kuang-Feng Sung
IPC分类号： H03K3/00
CPC分类号： H03K19/0016 , H03K19/0019 , H03K19/00361 , H03K19/017
摘要： A source driver includes four output switches, two resistors, and a charge-sharing switch. The first output switch and the first resistor are coupled in series to a first output channel of the source driver. The second output switch and the second resistor are coupled in series to a second output channel of the source driver. The third output switch is coupled in parallel to the first output switch. The fourth output switch is coupled in parallel to the second output switch. The charge-sharing switch is coupled between the first resistor and the second resistor. The third output switch and the fourth output switch are controlled to adjust the resistance of the output current path of the source driver.
摘要翻译：源极驱动器包括四个输出开关，两个电阻和一个电荷共享开关。第一输出开关和第一电阻串联耦合到源极驱动器的第一输出通道。第二输出开关和第二电阻串联耦合到源极驱动器的第二输出通道。第三输出开关并联到第一输出开关。第四输出开关并联连接到第二输出开关。电荷共享开关耦合在第一电阻器和第二电阻器之间。控制第三输出开关和第四输出开关来调节源极驱动器的输出电流通路的电阻。

10. 发明授权

US07265593B2 Slew rate enhancement circuit via dynamic output stage for adjusting gamma curve 有权
标题翻译：用于调整伽玛曲线的动态输出级的转换速率增强电路
公开(公告)号：US07265593B2
公开(公告)日：2007-09-04
申请号：US11562996
申请日：2006-11-23
申请人： Kuang-Feng Sung
发明人： Kuang-Feng Sung
IPC分类号： H03K3/00
CPC分类号： H03F3/3028 , H03F2203/30057
摘要： A slew rate enhancement circuit for adjusting a gamma curve including a main output stage, a monitoring stage, an assistant output stage and a gamma curve generating device is provided. The main output stage also generates a first push signal and a first pull signal according to the input voltage, and thereafter the second push signal and second pull signal are level shifted by the monitoring stage. A second push signal and second pull signal will turn on or turn off the assistant output stage to decided whether to output an assistant current to the load or not. The gamma curve generating device receives the assistant current to outputs at least one gamma reference voltage for adjusting a gamma curve. Specially, the improved compact circuit does not increase static operating current for the original operational amplifier and occupy a small chip area.
摘要翻译：提供一种用于调整包括主输出级，监视级，辅助输出级和伽马曲线生成装置的伽马曲线的转换速率增强电路。主输出级还根据输入电压产生第一按压信号和第一拉信号，此后第二推信号和第二拉信号由监控级电平移位。第二推挽信号和第二拉信号将导通或关闭辅助输出级，以决定是否向负载输出辅助电流。伽马曲线产生装置接收辅助电流以输出用于调整伽马曲线的至少一个伽马参考电压。特别地，改进的紧凑型电路不会增加原始运算放大器的静态工作电流并占用小的芯片面积。

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