公开(公告)号：US09152157B2

公开(公告)日：2015-10-06

申请号：US13470366

申请日：2012-05-14

申请人： Min-Hung Hu ,  Chiu-Huang Huang

发明人： Min-Hung Hu ,  Chiu-Huang Huang

IPC分类号： G05F1/16 ,  G05F1/56

CPC分类号： G05F1/561

摘要： A fast response current source capable of providing an output current is disclosed. The fast response current source includes a constant current generating block, a first feedback capacitor, a first current buffer and a first output current generating block. The constant current generating block provides a first constant current. The first current buffer generates a first buffering current to flow through the first feedback terminal, and changes a current value of the first buffering current in response to the current variation at the first feedback terminal when the voltage at the output terminal is varied. The first output current generating block generates a first output current to flow through the output terminal, and changes a current value of the first output current in response to the variation of the first buffering current when the voltage at the output terminal is varied.

摘要翻译： 公开了一种能够提供输出电流的快速响应电流源。 快速响应电流源包括恒定电流产生模块，第一反馈电容器，第一电流缓冲器和第一输出电流产生模块。 恒流产生块提供第一恒定电流。 第一当前缓冲器产生第一缓冲电流流过第一反馈端，并且当输出端的电压改变时响应于第一反馈端的电流变化改变第一缓冲电流的电流值。 第一输出电流产生块产生第一输出电流流过输出端，并且当输出端的电压变化时响应于第一缓冲电流的变化改变第一输出电流的电流值。

公开(公告)号：US08698775B2

公开(公告)日：2014-04-15

申请号：US12888378

申请日：2010-09-22

申请人： Chiu-Huang Huang ,  Wen-Hao Yu

发明人： Chiu-Huang Huang ,  Wen-Hao Yu

IPC分类号： G06F3/041

CPC分类号： G06F3/0416

摘要： A driving method for driving a touch sensitive display device is disclosed. The touch sensitive display device includes a plurality of pixel units and a plurality of touch sensors both arranged in matrixes. The driving method includes generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units, generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units, and shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors.

摘要翻译： 公开了一种用于驱动触敏显示装置的驱动方法。 触敏显示装置包括多个像素单元和两个以矩阵形式布置的多个触摸传感器。 驱动方法包括根据图像信号产生多个源驱动信号以指示多个像素单元的色强度，根据同步信号产生多个扫描脉冲以指示多个像素单元的更新序列， 以及多个扫描脉冲的占空比缩短以产生用于触发多个触摸传感器的多个传感器扫描脉冲。

公开(公告)号：US20130221942A1

公开(公告)日：2013-08-29

申请号：US13557415

申请日：2012-07-25

申请人： Min-Hung HU ,  Chiu-Huang Huang ,  Chen-Tsung Wu

发明人： Min-Hung HU ,  Chiu-Huang Huang ,  Chen-Tsung Wu

IPC分类号： G05F1/10 ,  H03L5/00

CPC分类号： H02M1/08 ,  H02M2001/0003 ,  H03F3/45183 ,  H03F3/45192 ,  H03F2203/45674

摘要： A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.

公开(公告)号：US20130179745A1

公开(公告)日：2013-07-11

申请号：US13541639

申请日：2012-07-03

申请人： Chiu-Huang Huang

发明人： Chiu-Huang Huang

IPC分类号： G01R31/3177

CPC分类号： G01R31/31715 ,  G01R31/31924

摘要： A test interface circuit couplable between a source driver and test equipment is disclosed. The test interface circuit includes a plurality of test interface modules and a logic circuit. Each of the test interface modules receives an output signal from one of a plurality of output pins of the source driver, judges whether the received output signal falls in a specified range or not, and generates a deviation signal accordingly. The logic circuit generates a deviation test output signal according to the deviation signals generated by the test interface modules.

摘要翻译： 公开了一种可在源驱动器和测试设备之间耦合的测试接口电路。 测试接口电路包括多个测试接口模块和逻辑电路。 每个测试接口模块从源驱动器的多个输出引脚之一接收输出信号，判断所接收的输出信号是否落在指定范围内，并相应地产生偏差信号。 逻辑电路根据测试接口模块产生的偏差信号产生偏差测试输出信号。

公开(公告)号：US20120319665A1

公开(公告)日：2012-12-20

申请号：US13470366

申请日：2012-05-14

申请人： Min-Hung Hu ,  Chiu-Huang Huang

发明人： Min-Hung Hu ,  Chiu-Huang Huang

IPC分类号： G05F1/00

CPC分类号： G05F1/561

摘要： A fast response current source capable of providing an output current is disclosed. The fast response current source includes a constant current generating block, a first feedback capacitor, a first current buffer and a first output current generating block. The constant current generating block provides a first constant current. The first current buffer generates a first buffering current to flow through the first feedback terminal, and changes a current value of the first buffering current in response to the current variation at the first feedback terminal when the voltage at the output terminal is varied. The first output current generating block generates a first output current to flow through the output terminal, and changes a current value of the first output current in response to the variation of the first buffering current when the voltage at the output terminal is varied.

摘要翻译： 公开了一种能够提供输出电流的快速响应电流源。 快速响应电流源包括恒定电流产生模块，第一反馈电容器，第一电流缓冲器和第一输出电流产生模块。 恒流产生块提供第一恒定电流。 第一当前缓冲器产生第一缓冲电流流过第一反馈端，并且当输出端的电压改变时响应于第一反馈端的电流变化改变第一缓冲电流的电流值。 第一输出电流产生块产生第一输出电流流过输出端，并且当输出端的电压变化时响应于第一缓冲电流的变化改变第一输出电流的电流值。

公开(公告)号：US20120019454A1

公开(公告)日：2012-01-26

申请号：US12903210

申请日：2010-10-13

申请人： Chiu-Huang Huang

发明人： Chiu-Huang Huang

IPC分类号： G06F3/041

CPC分类号： G06F3/0412 ,  G06F3/044

摘要： A driving method for driving a touch sensitive display device which includes a substrate, a plurality of pixel units, a touch panel and a plurality of touch sensors, and displays a frame of a video and detects at least one touch point per vertical scanning period is disclosed. The driving method includes generating a plurality of touch scanning impulses in a non-display period of the vertical period, detecting the at least one touch point according to the plurality of touch scanning impulses in the non-display period, generating a plurality of scanning impulses according to a synchronization signal in a display period of the vertical scanning period to indicate a frame updating sequence of the plurality of pixel units, and generating a plurality of source driving signals according to frame data in the display period to indicate color intensities of the plurality of pixel units.

摘要翻译： 一种用于驱动包括基板，多个像素单元，触摸面板和多个触摸传感器的触敏显示装置的驱动方法，并且显示视频的帧并且每个垂直扫描周期检测至少一个触摸点是 披露 驱动方法包括在垂直周期的非显示期间生成多个触摸扫描脉冲，在非显示期间根据多个触摸扫描脉冲检测至少一个触摸点，产生多个扫描脉冲 根据垂直扫描期间的显示期间的同步信号，指示多个像素单位的帧更新序列，并根据显示周期中的帧数据生成多个源驱动信号，以指示多个像素单元的颜色强度 的像素单位。

公开(公告)号：US20110242031A1

公开(公告)日：2011-10-06

申请号：US13076454

申请日：2011-03-31

申请人： Wen-Hsin Cheng ,  Feng-Jung Kuo ,  Chiu-Huang Huang ,  Wen-Hao Yu

发明人： Wen-Hsin Cheng ,  Feng-Jung Kuo ,  Chiu-Huang Huang ,  Wen-Hao Yu

IPC分类号： G06F3/041

CPC分类号： G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/045

摘要： A display device with a touch function is provided. The display device includes a display panel and a touch panel. The display panel has a plurality of image scan lines, and the image scan lines are respectively activated by a plurality of scan signals generated by a gate driver according to a time sequence. The touch panel has a plurality of touch scan lines and a plurality of touch sensing lines, wherein the touch scan lines and the touch sensing lines are disposed crossing each other for sensing a touched position. The gate driver also provides a plurality of touch scan signals to the touch scan lines according to a time sequence.

摘要翻译： 提供具有触摸功能的显示装置。 显示装置包括显示面板和触摸面板。 显示面板具有多个图像扫描线，并且图像扫描线分别由栅极驱动器根据时间序列生成的多个扫描信号激活。 触摸面板具有多个触摸扫描线和多个触摸感测线，其中触摸扫描线和触摸感测线彼此交叉设置以感测触摸位置。 栅极驱动器还根据时间顺序向触摸扫描线提供多个触摸扫描信号。

公开(公告)号：US09093895B2

公开(公告)日：2015-07-28

申请号：US13557415

申请日：2012-07-25

申请人： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu

发明人： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu

IPC分类号： H03F3/45 ,  H02M1/08 ,  H02M1/00

CPC分类号： H02M1/08 ,  H02M2001/0003 ,  H03F3/45183 ,  H03F3/45192 ,  H03F2203/45674

摘要： A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.

摘要翻译： 多功率域运算放大器包括输入级电路，功率域变换电路和有源负载。 输入级电路被配置为将一组输入电压变换为第一功率域中的一组输入电流。 功率域变换电路被配置为在第二功率域中将该组输入电流转换为一组输出电流。 有源负载被配置为根据输出电流的集合产生输出电压。 与该组输入电压的共模范围相比，输出电压的共模范围偏移。

公开(公告)号：US20110316792A1

公开(公告)日：2011-12-29

申请号：US12888378

申请日：2010-09-22

申请人： Chiu-Huang Huang ,  Wen-Hao Yu

发明人： Chiu-Huang Huang ,  Wen-Hao Yu

IPC分类号： G06F3/041

CPC分类号： G06F3/0416

摘要： A driving method for driving a touch sensitive display device is disclosed. The touch sensitive display device includes a plurality of pixel units and a plurality of touch sensors both arranged in matrixes. The driving method includes generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units, generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units, and shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors.

摘要翻译： 公开了一种用于驱动触敏显示装置的驱动方法。 触敏显示装置包括多个像素单元和两个以矩阵形式布置的多个触摸传感器。 驱动方法包括根据图像信号产生多个源驱动信号以指示多个像素单元的色强度，根据同步信号产生多个扫描脉冲以指示多个像素单元的更新序列， 以及多个扫描脉冲的占空比缩短以产生用于触发多个触摸传感器的多个传感器扫描脉冲。