公开(公告)号：US08736572B2

公开(公告)日：2014-05-27

申请号：US12817274

申请日：2010-06-17

申请人： Shih-Tzung Chou ,  Yu Kuang ,  Zong-Lin Wu ,  Yong-Nien Rao

发明人： Shih-Tzung Chou ,  Yu Kuang ,  Zong-Lin Wu ,  Yong-Nien Rao

IPC分类号： G06F3/045

CPC分类号： G06F3/044 ,  G06F3/0416

摘要： The invention discloses a touch input device and a touch sensor circuit. The touch input device includes a touch panel, a selection module and a differential detection module. The touch panel includes a plurality of capacitive nodes thereon. The selection module is electrically connected with the capacitive nodes of the touch panel. The selection module selects a first capacitive node and a second capacitive node from the capacitive nodes. The second capacitive node is close to the first capacitive node. The differential detection module, electrically connected to the selection module, is used for detecting a capacitance difference between the first capacitive node and the second capacitive node. According to the capacitance difference, the differential detection module generates a touch detection signal.

摘要翻译： 本发明公开了一种触摸输入装置和触摸传感器电路。 触摸输入装置包括触摸面板，选择模块和差分检测模块。 触摸面板在其上包括多个电容性节点。 选择模块与触摸面板的电容性节点电连接。 选择模块从电容性节点选择第一电容性节点和第二电容性节点。 第二电容节点靠近第一电容节点。 电连接到选择模块的差分检测模块用于检测第一电容性节点和第二电容性节点之间的电容差。 根据电容差，差分检测模块生成触摸检测信号。

公开(公告)号：US08384400B2

公开(公告)日：2013-02-26

申请号：US12884886

申请日：2010-09-17

申请人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

发明人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

IPC分类号： G01R27/26

CPC分类号： G01R27/2605 ,  G01R17/00 ,  G06F3/0418 ,  G06F3/044 ,  H03K17/962 ,  H03K2217/960725

摘要： A capacitance measurement circuit includes an operation amplifier; a reference capacitor having a first terminal coupled to a first input terminal of the operation amplifier and a second terminal selectively coupled to a first or second reference voltage; a sensor capacitor having a first terminal coupled to a second input terminal of the operation amplifier and a second terminal selectively coupled to the first or second reference voltage; an approximation unit having an output terminal and an input terminal coupled to an output terminal of the operation amplifier; a conversion unit having an output terminal and an input terminal coupled to the output terminal of the approximation unit; and a coupling capacitor having a first terminal coupled to the first or second input terminal of the operation amplifier and a second terminal coupled to the output terminal of the conversion unit.

公开(公告)号：US20110115503A1

公开(公告)日：2011-05-19

申请号：US12947089

申请日：2010-11-16

申请人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

发明人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

IPC分类号： G01R27/26

CPC分类号： H03K17/962 ,  H03K2217/960725

摘要： A capacitance measurement circuit includes: a reference capacitor selectively coupled to a first reference voltage or a second reference voltage; a sensor capacitor selectively coupled to the first reference voltage or the second reference voltage; an operation amplifier coupled to the reference capacitor, the sensor capacitor and a third reference voltage; an approximation unit coupled to the operation amplifier; and a conversion unit coupled to the operation amplifier and the approximation unit. The reference capacitor and the sensor capacitor respectively couple a first charge amount and a second charge amount to a first input terminal of the operational amplifier to conduct an input voltage. The conversion unit couples a third charge amount to the first input terminal of the operation amplifier or charges/discharges the first input terminal of the operation amplifier until the input voltage approximates the third reference voltage.

摘要翻译： 电容测量电路包括：选择性地耦合到第一参考电压或第二参考电压的参考电容; 选择性地耦合到所述第一参考电压或所述第二参考电压的传感器电容器; 耦合到参考电容器的运算放大器，传感器电容器和第三参考电压; 耦合到所述运算放大器的近似单元; 以及耦合到运算放大器和近似单元的转换单元。 参考电容器和传感器电容器将第一充电量和第二充电量分别耦合到运算放大器的第一输入端以进行输入电压。 转换单元将第三充电量耦合到运算放大器的第一输入端，或者对运算放大器的第一输入端进行充电/放电，直到输入电压接近第三参考电压。

公开(公告)号：US20110074446A1

公开(公告)日：2011-03-31

申请号：US12884886

申请日：2010-09-17

申请人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

发明人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Yu Kuang

IPC分类号： G01R27/26

CPC分类号： G01R27/2605 ,  G01R17/00 ,  G06F3/0418 ,  G06F3/044 ,  H03K17/962 ,  H03K2217/960725

摘要： A capacitance measurement circuit includes an operation amplifier; a reference capacitor having a first terminal coupled to a first input terminal of the operation amplifier and a second terminal selectively coupled to a first or second reference voltage; a sensor capacitor having a first terminal coupled to a second input terminal of the operation amplifier and a second terminal selectively coupled to the first or second reference voltage; an approximation unit having an output terminal and an input terminal coupled to an output terminal of the operation amplifier; a conversion unit having an output terminal and an input terminal coupled to the output terminal of the approximation unit; and a coupling capacitor having a first terminal coupled to the first or second input terminal of the operation amplifier and a second terminal coupled to the output terminal of the conversion unit.

摘要翻译： 电容测量电路包括运算放大器; 参考电容器，其具有耦合到所述运算放大器的第一输入端子的第一端子和选择性地耦合到第一或第二参考电压的第二端子; 传感器电容器，其具有耦合到所述运算放大器的第二输入端子的第一端子和选择性地耦合到所述第一或第二参考电压的第二端子; 近似单元，具有输出端和耦合到运算放大器的输出端的输入端; 转换单元，具有输出端和耦合到近似单元的输出端的输入端; 以及耦合电容器，其具有耦合到所述运算放大器的第一或第二输入端的第一端子和耦合到所述转换单元的输出端子的第二端子。

公开(公告)号：US07304641B2

公开(公告)日：2007-12-04

申请号：US10799675

申请日：2004-03-15

申请人： Yong-Nien Rao ,  Shih-Tzung Chou

发明人： Yong-Nien Rao ,  Shih-Tzung Chou

IPC分类号： G09G3/36 ,  G09G5/00

CPC分类号： G09G3/3614

摘要： Disclosed is a timing generator of panel display and polarity arrangement control signal generation method therefor. The timing generator comprises a storage unit for storing a plurality of sets of polarity data and corresponding PAC signals, an operation unit for receiving display data, the sets of polarity data, and a corresponding PAC signal so that the operation unit can perform an inner product operation with respect to the polarity data and the display data for obtaining a sum of coupling voltages, and a comparison unit for comparing the sum of coupling voltages with a predetermined value, and outputting the PAC signal corresponding to the polarity data to a data driver if the sum of coupling voltages is smaller than the predetermined value.

摘要翻译： 公开了一种面板显示及其极性排列控制信号产生方法的定时发生器。 定时发生器包括：存储单元，用于存储多组极性数据和相应的PAC信号;操作单元，用于接收显示数据，极性数据组以及对应的PAC信号，使得操作单元可以执行内积 关于极性数据和用于获得耦合电压之和的显示数据的操作，以及用于将耦合电压之和与预定值进行比较的比较单元，并将与极性数据相对应的PAC信号输出到数据驱动器，如果 耦合电压的和小于预定值。

公开(公告)号：US20120013563A1

公开(公告)日：2012-01-19

申请号：US12834961

申请日：2010-07-13

申请人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Zong-Lin Wu

发明人： Shih-Tzung Chou ,  Yong-Nien Rao ,  Zong-Lin Wu

IPC分类号： G06F3/041

CPC分类号： G06F3/044 ,  G06F3/0418

摘要： A touch input device is disclosed in this invention. The touch input device includes a touch panel, a selection module and a detection module. The touch panel includes capacitive nodes thereon. The selection module is electrically connected to the capacitive nodes of the touch panel. The selection module is used for selecting at least one capacitive node from the capacitive nodes respectively, in order to form a first capacitive node class and a second capacitive node class which is adjacent to the first capacitive node class. The detection module includes a signal generator for generating a detective pulse signal and a reversal pulse signal with a phase opposite to the detective pulse signal. The detective pulse signal and the reversal pulse signal are respectively imported to the first capacitive node class and the second capacitive node class through the selection module.

摘要翻译： 在本发明中公开了触摸输入装置。 触摸输入装置包括触摸面板，选择模块和检测模块。 触摸面板包括电容式节点。 选择模块电连接到触摸面板的电容性节点。 选择模块用于分别从电容性节点选择至少一个电容性节点，以形成与第一电容节点类相邻的第一电容节点类和第二电容节点类。 检测模块包括用于产生检测脉冲信号的信号发生器和具有与检测脉冲信号相反的相位的反转脉冲信号。 检测脉冲信号和反转脉冲信号分别通过选择模块导入第一电容节点类和第二电容节点类。

公开(公告)号：US20060125754A1

公开(公告)日：2006-06-15

申请号：US11287392

申请日：2005-11-28

申请人： Yong-Nien Rao ,  Shih-Tzung Chou ,  Chun-Lin Hou

发明人： Yong-Nien Rao ,  Shih-Tzung Chou ,  Chun-Lin Hou

IPC分类号： G09G3/36

CPC分类号： G09G3/3648 ,  G09G2330/08 ,  G09G2330/12

摘要： A TFT-LCD capable of repairing discontinuous lines includes a repairing circuit, which includes a plurality of repairing OP amplifiers and a high-impedance detecting unit. The high-impedance detecting unit detects states of input terminals of the OP amplifiers. The high-impedance detecting unit enables a control signal to enable the OP amplifier when the input terminal is not at floating state. The high-impedance detecting unit disables the control signal to disable the OP amplifier when the input terminal is at floating state, so that no output competition between the OP amplifiers is generated.

摘要翻译： 能够修复不连续线路的TFT-LCD包括修复电路，其包括多个修复的OP放大器和高阻抗检测单元。 高阻抗检测单元检测OP放大器的输入端的状态。 当输入端子不处于浮动状态时，高阻抗检测单元使控制信号能够使能OP放大器。 当输入端处于浮置状态时，高阻抗检测单元禁止控制信号禁止OP放大器，从而不产生OP放大器之间的输出竞争。

公开(公告)号：US07675495B2

公开(公告)日：2010-03-09

申请号：US11287392

申请日：2005-11-28

申请人： Yong-Nien Rao ,  Shih-Tzung Chou ,  Chun-Lin Hou

发明人： Yong-Nien Rao ,  Shih-Tzung Chou ,  Chun-Lin Hou

IPC分类号： G09G3/36

CPC分类号： G09G3/3648 ,  G09G2330/08 ,  G09G2330/12

摘要： A TFT-LCD capable of repairing discontinuous lines includes a repairing circuit, which includes a plurality of repairing OP amplifiers and a high-impedance detecting unit. The high-impedance detecting unit detects states of input terminals of the OP amplifiers. The high-impedance detecting unit enables a control signal to enable the OP amplifier when the input terminal is not at floating state. The high-impedance detecting unit disables the control signal to disable the OP amplifier when the input terminal is at floating state, so that no output competition between the OP amplifiers is generated.

摘要翻译： 能够修复不连续线路的TFT-LCD包括修复电路，其包括多个修复的OP放大器和高阻抗检测单元。 高阻抗检测单元检测OP放大器的输入端的状态。 当输入端子不处于浮动状态时，高阻抗检测单元使控制信号能够使能OP放大器。 当输入端处于浮置状态时，高阻抗检测单元禁止控制信号禁止OP放大器，从而不产生OP放大器之间的输出竞争。

公开(公告)号：US20050012733A1

公开(公告)日：2005-01-20

申请号：US10799675

申请日：2004-03-15

申请人： Yong-Nien Rao ,  Shih-Tzung Chou

发明人： Yong-Nien Rao ,  Shih-Tzung Chou

IPC分类号： G09G3/20 ,  G09G3/36 ,  G09G5/00

CPC分类号： G09G3/3614

摘要： Disclosed is a timing generator of panel display and polarity arrangement control signal generation method therefor. The timing generator comprises a storage unit for storing a plurality of sets of polarity data and corresponding PAC signals, an operation unit for receiving display data, the sets of polarity data, and a corresponding PAC signal so that the operation unit can perform an inner product operation with respect to the polarity data and the display data for obtaining a sum of coupling voltages, and a comparison unit for comparing the sum of coupling voltages with a predetermined value, and outputting the PAC signal corresponding to the polarity data to a data driver if the sum of coupling voltages is smaller than the predetermined value.

摘要翻译： 公开了一种面板显示及其极性排列控制信号产生方法的定时发生器。 定时发生器包括：存储单元，用于存储多组极性数据和相应的PAC信号;操作单元，用于接收显示数据，极性数据组以及对应的PAC信号，使得操作单元可以执行内积 关于极性数据和用于获得耦合电压之和的显示数据的操作，以及用于将耦合电压之和与预定值进行比较的比较单元，并将与极性数据相对应的PAC信号输出到数据驱动器，如果 耦合电压的和小于预定值。

公开(公告)号：US08466715B2

公开(公告)日：2013-06-18

申请号：US13354854

申请日：2012-01-20

申请人： Yu Kuang ,  Shih-Tzung Chou

发明人： Yu Kuang ,  Shih-Tzung Chou

IPC分类号： H03K5/22

CPC分类号： H03K5/249 ,  H03K3/356104

摘要： A comparator includes: a wide-swing operation transconductance amplifier (OTA), having first and second differential input pairs for receiving first and second differential input signals respectively, the wide-swing OTA generating first and second intermediate output voltages in comparing the first with the second differential input signals; a current switch group; a current mirror group, wherein when an input common mode voltage of the first and the second differential input signal tends to one of a first and a second reference voltage, one of the first and the second differential input pair is turned off, and the current switch group and the current mirror group compensate a current flowing through the other of the first and the second differential input pair; and a decision circuit coupled to the wide-swing OTA, for enlarging a voltage difference between the first and the second intermediate output voltage to output a voltage comparison output signal.

摘要翻译： 比较器包括：宽摆动作跨导放大器（OTA），具有用于分别接收第一和第二差分输入信号的第一和第二差分输入对，所述宽摆动OTA产生第一和第二中间输出电压， 第二差分输入信号; 当前开关组; 电流镜组，其中当第一和第二差分输入信号的输入共模电压趋向于第一和第二参考电压中的一个时，第一和第二差分输入对中的一个被截止，并且电流 开关组和电流镜组补偿流过第一和第二差分输入对中的另一个的电流; 以及耦合到所述宽摆OTA的判定电路，用于扩大所述第一和第二中间输出电压之间的电压差，以输出电压比较输出信号。