公开(公告)号：US20140145734A1

公开(公告)日：2014-05-29

申请号：US13796024

申请日：2013-03-12

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Meng Yong LIN ,  Ming-Huang LIU ,  Wei Yang OU

IPC: G01R27/26

CPC classification number: G01R27/2605 ,  G01D5/24

Abstract: The present invention provides a capacitor sensing circuit, comprising a driving unit, a switching unit, a differential integrator circuit, and a post-processing circuit. The driving unit is for providing driving signals and timing required by the capacitor sensing circuit, the switching unit switches signals according to two inverting timings, φ1 and φ2, the driving unit drives the capacitor sensing circuit, and together with the positive/negative input terminals of the differential integrator circuit, the signals are accumulated and integrated in both timing φ1 and φ2. The post-processing circuit receive the differential output of the differential integrator circuit for processing and/or utilizing the signals. The two timing signals are time-sharing signals in a period. Therefore, the capacitor sensing circuit is not effected by the common mode noise, and the accuracy and the sensibility are increased.

Abstract translation: 本发明提供了一种电容器感测电路，包括驱动单元，开关单元，差分积分电路和后处理电路。 驱动单元用于提供电容器感应电路所需的驱动信号和时序，开关单元根据两个反相定时＆1和2驱动信号，驱动单元驱动电容感应电路，并与正极 /差分积分电路的负输入端子，信号在时序＆1和＆phgr。2中累积和积分。 后处理电路接收用于处理和/或利用该信号的差分积分电路的差分输出。 两个定时信号是一段时间内的分时信号。 因此，电容感测电路不受共模噪声的影响，精度和灵敏度也提高。

公开(公告)号：US08710571B2

公开(公告)日：2014-04-29

申请号：US12486340

申请日：2009-06-17

Applicant: Min-Nan Liao

Inventor： Min-Nan Liao

IPC: H01L29/76

CPC classification number: G09G3/3696 ,  G09G3/3614

Abstract: A polarity switching member of a dot inversion system is revealed. A first transistor and a second transistor are disposed in a P-well while a N-well is arranged in the P-well, located between the first transistor and the second transistor. The N-well includes a third transistor and a fourth transistor. One end of the third transistor is coupled to one end of the first transistor to generate a first input end and one end of the fourth transistor is coupled to one end of the second transistor to generate a second input end. The other end of the first transistor, the other end of the second transistor, the other end of the third transistor, and the other end of the fourth transistor are coupled to generate an output end. Thereby, by switching of voltage polarity of the P-well and the N-well, a larger range of output voltage difference is achieved.

Abstract translation: 显示点反转系统的极性切换部件。 第一晶体管和第二晶体管设置在P阱中，而N阱布置在位于第一晶体管和第二晶体管之间的P阱中。 N阱包括第三晶体管和第四晶体管。 第三晶体管的一端耦合到第一晶体管的一端以产生第一输入端，并且第四晶体管的一端耦合到第二晶体管的一端以产生第二输入端。 第一晶体管的另一端，第二晶体管的另一端，第三晶体管的另一端和第四晶体管的另一端耦合以产生输出端。 因此，通过切换P阱和N阱的电压极性，可以实现更大的输出电压差范围。

公开(公告)号：US20140098080A1

公开(公告)日：2014-04-10

申请号：US14105503

申请日：2013-12-13

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： TSUN-SEN LIN ,  CHENG-CHUNG YEH

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3696

Abstract: A driver circuit for dot inversion of liquid crystals includes a positive source supplying a first positive signal and a second positive signal; a negative source supplying a first negative signal and a second negative signal; a first selector unit connected with the sources to receive the first positive signal and the first negative signal; a second selector unit connected with the sources to receive the second positive signal and the second negative signal; a first source connected with the selection unit to alternatively output a first positive voltage and a first negative voltage; a second source connected with the selection unit to alternatively output a second positive voltage and a second negative voltage. When the first source outputs the first positive voltage, the second source outputs the second negative voltage. When the first source outputs the first negative voltage, the second source outputs the second positive voltage.

Abstract translation: 用于液晶点反转的驱动电路包括提供第一正信号和第二正信号的正源; 提供第一负信号和第二负信号的负源; 与所述源连接以接收所述第一正信号和所述第一负信号的第一选择器单元; 与所述源连接以接收所述第二正信号和所述第二负信号的第二选择器单元; 与所述选择单元连接以交替地输出第一正电压和第一负电压的第一源; 与所述选择单元连接以交替地输出第二正电压和第二负电压的第二源。 当第一源输出第一正电压时，第二电源输出第二负电压。 当第一电源输出第一负电压时，第二电源输出第二正电压。

公开(公告)号：US20140049459A1

公开(公告)日：2014-02-20

申请号：US14113609

申请日：2011-07-01

Applicant: Min-Nan Liao

Inventor： Min-Nan Liao

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2320/0276 ,  G09G2330/02

Abstract: The present invention relates to an area-saving driving circuit for a display panel, which comprises a plurality of digital-to-analog converting circuits convert input data, respectively, and produce a pixel signal. A plurality of driving units are coupled to the plurality of digital-to-analog converting circuits, respectively. They produce a driving signal according to the pixel signal and transmit the driving signal to the display panel for displaying. A plurality of voltage booster units are coupled to the plurality of driving units, respectively, and produce a supply voltage according to a control signal. Then the supply voltage is provided to the plurality of driving units. Thereby, by providing the supply voltage to the plurality of driving units of the display panel by means of the plurality of voltage booster units, the area of the external storage capacitor is reduced. Alternative, the external storage capacitor can be even not required.

Abstract translation: 本发明涉及一种用于显示面板的面积节省驱动电路，其包括分别转换输入数据并产生像素信号的多个数模转换电路。 多个驱动单元分别耦合到多个数模转换电路。 它们根据像素信号产生驱动信号，并将驱动信号传输到显示面板进行显示。 多个升压单元分别耦合到多个驱动单元，并根据控制信号产生电源电压。 然后将电源电压提供给多个驱动单元。 因此，通过利用多个升压器单元向显示面板的多个驱动单元提供电源电压，减少了外部存储电容器的面积。 另外，外部存储电容器甚至可以不需要。

公开(公告)号：US20130234989A1

公开(公告)日：2013-09-12

申请号：US13872395

申请日：2013-04-29

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： CHIH-DE HUNG ,  CHENG-CHUNG YEH ,  TING-LONG KUO

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/041 ,  G06F3/045

Abstract: The present invention relates to a touch panel with a discharging function, which comprises a scanning bus, a sensing bus, a control unit, and a discharging circuit. The scanning bus is used for scanning a touch frame. The sensing bus interleaves with the scanning bus, and senses at least a touched location on the touch frame. The control unit is coupled to the scanning bus and the sensing bus 20′ for controlling them. The discharging circuit is coupled to the sensing bus or/and the scanning bus, and is controlled by the control unit for releasing the charges at the touched location or/and on the relevant path between the touched location and the buses. Thereby, by using a discharging circuit for releasing charges on the parasitic capacitor, the parasitic capacitance effect is avoided. Hence, the sensing accuracy of the touch panel is increased.

Abstract translation: 本发明涉及具有放电功能的触摸屏，其包括扫描总线，感测总线，控制单元和放电电路。 扫描总线用于扫描触摸框。 感测总线与扫描总线交错，并且至少感测触摸框上的触摸位置。 控制单元耦合到扫描总线和用于控制它们的感测总线20'。 放电电路耦合到感测总线或/和扫描总线，并且由控制单元控制，用于释放在触摸位置处和/或触摸位置与总线之间的相关路径上的电荷。 因此，通过使用用于释放寄生电容器上的电荷的放电电路，避免了寄生电容效应。 因此，触摸面板的感测精度提高。

公开(公告)号：US08502760B2

公开(公告)日：2013-08-06

申请号：US12254083

申请日：2008-10-20

Applicant: Chia-Jung Lin

Inventor： Chia-Jung Lin

IPC: G09G3/36

CPC classification number: G09G3/3611 ,  G09G3/3674 ,  G09G2310/0235 ,  G09G2320/0242

Abstract: The present invention provides a control circuit and a scanning method thereof, and can be applied to a color sequential liquid crystal display (LCD). The color sequential LCD produces a plurality of color backlights, receives a data signal, and receives a plurality of scanning signals produced by a scan driving circuit. The voltage levels of the plurality of scan signals corresponding to each of the color backlights are select levels alternately. When the voltage level of a scan signal in the plurality of scan signals is the select level, the voltage levels of the other scan signals in the plurality of scan signals are non-select levels. Because the voltage levels of the plurality of scan signals corresponding to each of the color backlights are select levels alternately to scan sequentially the same backlight, color-mixing effects on images can be reduced.

Abstract translation: 本发明提供一种控制电路及其扫描方法，可应用于彩色液晶显示器（LCD）。 彩色顺序LCD产生多个彩色背光，接收数据信号，并且接收由扫描驱动电路产生的多个扫描信号。 对应于每个彩色背光源的多个扫描信号的电压电平是选择电平。 当多个扫描信号中的扫描信号的电压电平为选择电平时，多个扫描信号中的其它扫描信号的电压电平为非选择电平。 因为与每个彩色背光灯相对应的多个扫描信号的电压电平交替地选择为相同的背光源进行扫描，因此可以降低对图像的混色效果。

公开(公告)号：US08295627B2

公开(公告)日：2012-10-23

申请号：US12254103

申请日：2008-10-20

Applicant: Chih-Yu Lin ,  Chao-Chu Chang

Inventor： Chih-Yu Lin ,  Chao-Chu Chang

IPC: G06K9/40

CPC classification number: G09G3/3622 ,  G09G3/3413 ,  G09G2310/0235

Abstract: The present invention provides a circuit for controlling a color sequential liquid crystal display (LCD) and a method for controlling the same. The control circuit comprises a light-source driving circuit, a data driving circuit, and a scan driving circuit. The light-source driving circuit produces a driving signal for controlling the color sequential LCD to produce backlight with different colors. The data driving circuit produces a data signal and includes a plurality of data pulses. The scan driving signal produces a scan signal and includes a plurality of scan pulses corresponding to the plurality of data pulses, respectively. By controlling the pluralities of data pulses and scan pulses and the backlight, the color sequential LCD will display an image. The voltage levels of the pluralities of data pulses and scan pulses change according to different images. Thereby, power consumed by the control circuit can be reduced. In addition, color-mixing problems will be reduced according to the present invention.

Abstract translation: 本发明提供一种用于控制彩色液晶显示器（LCD）的电路及其控制方法。 控制电路包括光源驱动电路，数据驱动电路和扫描驱动电路。 光源驱动电路产生用于控制彩色顺序LCD以产生不同颜色的背光的驱动信号。 数据驱动电路产生数据信号并包括多个数据脉冲。 扫描驱动信号产生扫描信号并分别包括对应于多个数据脉冲的多个扫描脉冲。 通过控制多个数据脉冲和扫描脉冲以及背光源，彩色顺序LCD将显示图像。 多个数据脉冲和扫描脉冲的电压电平根据不同的图像而改变。 由此，可以减少由控制电路消耗的功率。 此外，根据本发明，混色问题将会降低。

公开(公告)号：US08228097B2

公开(公告)日：2012-07-24

申请号：US12716475

申请日：2010-03-03

Applicant: Min-Nan Liao

Inventor： Min-Nan Liao

IPC: H03B1/00

CPC classification number: G09G3/3688 ,  G09G2310/027

Abstract: The present invention provides a circuit for driving a display panel using a driving capacitor, comprising an analog-to-digital converter receiving an analog input signal to generate a digital signal, a driving capacitor receiving the digital signal to generate a driving signal for the display panel, and a switching circuit in response to a switching signal, selectively coupling the analog-to-digital converter to the driving capacitor for transmission of the digital signal and coupling the driving capacitor to the display panel for transmission of the driving signal. Thus, the circuit area needed for a source driver processing images of large bit number is reduced, which decreases the cost. Further, the power system of the display having a large dynamic range of voltage can be also simplified.

Abstract translation: 本发明提供了一种用于使用驱动电容器驱动显示面板的电路，包括接收模拟输入信号以产生数字信号的模拟 - 数字转换器，接收数字信号以产生用于显示的驱动信号的驱动电容器 面板和开关电路，响应于开关信号，选择性地将模拟 - 数字转换器耦合到驱动电容器以传输数字信号，并将驱动电容器耦合到显示面板以传输驱动信号。 因此，源驱动器处理大位数图像所需的电路面积减少，这降低了成本。 此外，也可以简化具有大动态电压范围的显示器的电力系统。

公开(公告)号：US20110290987A1

公开(公告)日：2011-12-01

申请号：US13116052

申请日：2011-05-26

Applicant: MING-HUANG LIU ,  MENG-YUNG LIN

Inventor： MING-HUANG LIU ,  MENG-YUNG LIN

IPC: G01J1/46 ,  G01J1/44

CPC classification number: G01J1/46 ,  G01J1/4204 ,  H03K4/50 ,  H03K7/08 ,  H03M1/504

Abstract: The present invention provides an ambient light sensing module, which comprises a sawtooth signal generating circuit, an optical sensing unit, and a comparing unit. The sawtooth signal generating circuit produces a sawtooth signal. The optical sensing unit senses a light source and produces a light-sensing signal. The comparing unit produces a pulse-width modulation (PWM) signal related to the intensity of the light source according to the light-sensing signal and the sawtooth signal so that the PWM signal can be used as the control signal of the electronic device. The ambient light sensing module further comprises at least a fuse for determining a processing parameter. A signal processing unit processes the light-sensing signal according to the processing parameter for outputting a converting signal. The comparing unit compares the converting signal with the sawtooth signal for producing the PWM signal. An adjusting unit produces an adjusting signal according to the PWM signal and the light intensity or according to the converting signal and the light intensity for controlling a trimming unit to trim the fuse and thus modifying the processing parameter.

Abstract translation: 本发明提供一种环境光感测模块，其包括锯齿波信号发生电路，光学感测单元和比较单元。 锯齿波信号产生电路产生锯齿波信号。 光学感测单元感测光源并产生光感测信号。 比较单元根据光感测信号和锯齿波信号产生与光源的强度相关的脉冲宽度调制（PWM）信号，使得PWM信号可以用作电子设备的控制信号。 环境光感测模块还包括用于确定处理参数的至少一个熔丝。 信号处理单元根据用于输出转换信号的处理参数对感光信号进行处理。 比较单元将转换信号与锯齿波信号进行比较，以产生PWM信号。 调整单元根据PWM信号和光强度或根据转换信号和光强度产生调节信号，用于控制修整单元以修整熔丝并因此修改处理参数。

公开(公告)号：US20100231271A1

公开(公告)日：2010-09-16

申请号：US12716475

申请日：2010-03-03

Applicant: MIN-NAN LIAO

Inventor： MIN-NAN LIAO

IPC: H03K3/00

CPC classification number: G09G3/3688 ,  G09G2310/027

Abstract: The present invention provides a circuit for driving a display panel using a driving capacitor, comprising an analog-to-digital converter receiving an analog input signal to generate a digital signal, a driving capacitor receiving the digital signal to generate a driving signal for the display panel, and a switching circuit in response to a switching signal, selectively coupling the analog-to-digital converter to the driving capacitor for transmission of the digital signal and coupling the driving capacitor to the display panel for transmission of the driving signal. Thus, the circuit area needed for a source driver processing images of large bit number is reduced, which decreases the cost. Further, the power system of the display having a large dynamic range of voltage can be also simplified.

Abstract translation: 本发明提供了一种用于使用驱动电容器驱动显示面板的电路，包括接收模拟输入信号以产生数字信号的模拟 - 数字转换器，接收数字信号以产生用于显示的驱动信号的驱动电容器 面板和开关电路，响应于开关信号，选择性地将模拟 - 数字转换器耦合到驱动电容器以传输数字信号，并将驱动电容器耦合到显示面板以传输驱动信号。 因此，源驱动器处理大位数图像所需的电路面积减少，这降低了成本。 此外，也可以简化具有大动态电压范围的显示器的电力系统。