公开(公告)号：US20160269027A1

公开(公告)日：2016-09-15

申请号：US14642779

申请日：2015-03-10

Applicant: Sitronix Technology Corp.

Inventor： Ming-Wei Hsu ,  Chern-Lin Chen

IPC: H03K19/00 ,  H03F1/02 ,  H03F3/45 ,  G09G3/36

CPC classification number: H03K19/0027 ,  G09G3/3688 ,  G09G2310/0291 ,  H03F3/3022 ,  H03F3/3023 ,  H03F3/45183 ,  H03F3/45192 ,  H03F3/45246 ,  H03F3/45475 ,  H03F3/45744 ,  H03F3/45968 ,  H03F2203/45212

Abstract: An output buffer with an offset cancellation structure for an LCD source driver includes an operational amplifier, for driving an output signal of the output buffer according to a data signal from a data input terminal of the output buffer; a reference voltage generator, for generating a reference voltage and inputting the reference voltage to the operational amplifier; and a sampling capacitor, coupled between a second input terminal of the operational amplifier and the data input terminal of the output buffer in a first phase, and coupled between the second input terminal of the operational amplifier and an output terminal of the operational amplifier in a second phase, wherein the second input terminal of the operational amplifier is further coupled to the output terminal of the operational amplifier in the first phase. The output signal outputs the data signal where the offset voltage is cancelled in the second phase.

Abstract translation: 具有用于LCD源驱动器的偏移消除结构的输出缓冲器包括运算放大器，用于根据来自输出缓冲器的数据输入端的数据信号来驱动输出缓冲器的输出信号; 参考电压发生器，用于产生参考电压并将所述参考电压输入到所述运算放大器; 以及采样电容器，其以第一相耦合在所述运算放大器的第二输入端和所述输出缓冲器的数据输入端之间，并且耦合在所述运算放大器的第二输入端和所述运算放大器的输出端之间 第二相，其中运算放大器的第二输入端在第一阶段进一步耦合到运算放大器的输出端。 输出信号输出在第二阶段取消偏移电压的数据信号。

公开(公告)号：US09318044B2

公开(公告)日：2016-04-19

申请号：US14884776

申请日：2015-10-16

Applicant: Sitronix Technology Corp.

Inventor： Chung-Hsin Su ,  Tsun-Sen Lin

IPC: G09G3/36 ,  G09G3/20 ,  G11C11/406 ,  G09G5/18 ,  G09G5/397

CPC classification number: G09G3/2092 ,  G09G3/3674 ,  G09G5/18 ,  G09G5/397 ,  G09G2320/0252 ,  G09G2330/021 ,  G11C11/406

Abstract: A driving circuit for a display includes a logic unit and a memory array coupled to the logic unit for turning on a plurality of memory cells corresponding to the word-line according to a word-line scanning signal to refresh the plurality of memory cells corresponding to the word-line; wherein the memory array has a first number of bit-lines and a second number of word-lines, wherein the driving circuit is used for driving a display panel having a third number of data-lines and a fourth number of scan-lines, and a product of the first number and the second number is equal to a product of the third number and the fourth number.

Abstract translation: 用于显示器的驱动电路包括逻辑单元和耦合到逻辑单元的存储器阵列，用于根据字线扫描信号接通对应于字线的多个存储单元，以刷新对应于 字线; 其中所述存储器阵列具有第一数量的位线和第二数量的字线，其中所述驱动电路用于驱动具有第三数量数据线和第四数量扫描线的显示面板，以及 第一个数字和第二个数字的乘积等于第三个数字和第四个数字的乘积。

公开(公告)号：US20150378511A1

公开(公告)日：2015-12-31

申请号：US14509069

申请日：2014-10-08

Applicant: Sitronix Technology Corp.

Inventor： Chun-Kuan Wu ,  Ching-Jen Tung ,  Chen-Yuan Yang ,  Chun-Yu Lin

IPC: G06F3/041 ,  G01N27/22 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/044

Abstract: The present disclosure provides a capacitor voltage information sensing circuit. The capacitor voltage information sensing circuit includes a mixer and an analog filter. The mixer includes a first input terminal for receiving a reference signal, a second input terminal for receiving a voltage signal, the voltage signal includes capacitor voltage information and a noise when a touch occurs, a first output terminal for outputting a first differential signal according to the voltage signal and the reference signal, and a second output terminal for outputting a second differential signal according to the voltage signal and the reference signal. The analog filter is coupled to the mixer for generating a first low-frequency signal and a second low-frequency signal according to the first differential signal and second differential signal.

Abstract translation: 本公开提供一种电容器电压信息感测电路。 电容器电压信息感测电路包括混频器和模拟滤波器。 混频器包括用于接收参考信号的第一输入端子，用于接收电压信号的第二输入端子，电压信号包括电容器电压信息和发生触摸时的噪声;第一输出端子，用于根据 电压信号和参考信号，以及第二输出端，用于根据电压信号和参考信号输出第二差分信号。 模拟滤波器耦合到混频器，用于根据第一差分信号和第二差分信号产生第一低频信号和第二低频信号。

公开(公告)号：US20150256167A1

公开(公告)日：2015-09-10

申请号：US14513201

申请日：2014-10-13

Applicant: Sitronix Technology Corp.

Inventor： Hung-Yu Lu

IPC: H03K17/0812 ,  H03K17/14 ,  G09G3/36 ,  H03K17/30

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G2300/043 ,  G09G2310/0264 ,  G09G2310/08 ,  G09G2330/021 ,  H03K17/08122 ,  H03K17/145 ,  H03K17/302

Abstract: A driving module, for a display device, includes a first transistor comprising a gate coupled to a first node, a drain coupled to an output end, and a source coupled to a first positive voltage source; a second transistor comprising a gate coupled to a second node, a drain coupled to the output end, and a source coupled to a first negative voltage source; and a voltage generating unit, coupled to an input end, a second positive voltage source and a second negative voltage source for generating a first voltage at the first node and a second voltage at the second node; wherein a difference between a first positive voltage of the first positive voltage source and the first voltage is smaller than a first threshold and a difference between a first negative voltage of the first negative voltage source and the second voltage is smaller than a second threshold.

Abstract translation: 用于显示装置的驱动模块包括第一晶体管，其包括耦合到第一节点的栅极，耦合到输出端的漏极和耦合到第一正电压源的源极; 第二晶体管，包括耦合到第二节点的栅极，耦合到输出端的漏极和耦合到第一负电压源的源极; 以及电压产生单元，耦合到输入端，第二正电压源和第二负电压源，用于在第一节点处产生第一电压，在第二节点处产生第二电压; 其中所述第一正电压源的第一正电压和所述第一电压之间的差小于第一阈值，并且所述第一负电压源的第一负电压与所述第二电压之间的差小于第二阈值。

公开(公告)号：US20150200670A1

公开(公告)日：2015-07-16

申请号：US14460346

申请日：2014-08-14

Applicant: Sitronix Technology Corp.

Inventor： Min-Nan Liao

IPC: H03K19/003 ,  H03K17/687 ,  H03K19/0185

CPC classification number: H03K19/00315 ,  G09G3/3677 ,  G09G2310/0289 ,  G09G2310/0291 ,  H03K17/687 ,  H03K19/018507

Abstract: A circuit buffer for outputting a voltage signal having a magnitude greater than a withstand voltage of any circuit element in the circuit buffer includes a first transistor and a second transistor. The first transistor includes a first terminal and a second terminal electrically connected to an input terminal and an output terminal of the circuit buffer respectively, a third terminal electrically connected to a first power supply terminal, and a fourth terminal electrically connected to the third terminal of the first transistor. The second transistor includes a first terminal and a second terminal electrically connected to the input terminal and the output terminal of the circuit buffer respectively, a third terminal electrically connected to a second power supply terminal, and a fourth terminal electrically connected to the third terminal of the second transistor. Voltages of the first and second power supply terminal are switched between two different levels, respectively.

Abstract translation: 用于输出具有大于电路缓冲器中的任何电路元件的耐受电压的电压信号的电路缓冲器包括第一晶体管和第二晶体管。 第一晶体管包括分别电连接到电路缓冲器的输入端子和输出端子的第一端子和第二端子，电连接到第一电源端子的第三端子和电连接到第一端子的第三端子的第四端子 第一个晶体管。 第二晶体管包括分别电连接到电路缓冲器的输入端子和输出端子的第一端子和第二端子，电连接到第二电源端子的第三端子和电连接到第二端子的第三端子 第二晶体管。 第一和第二电源端子的电压分别在两个不同的电平之间切换。

公开(公告)号：US20150048808A1

公开(公告)日：2015-02-19

申请号：US14049439

申请日：2013-10-09

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： CHUNG-HSIN SU

IPC: H02M3/04

CPC classification number: H02M3/156

Abstract: The present invention relates to a voltage boosting circuit capable of modulating duty cycle automatically, which comprises an inductor, a switching module, and a control circuit. The inductor is coupled to an input for receiving an input power. The switching module is coupled among the inductor, a ground, and an output for switching so that the input power can charge the inductor and produce charged energy, or for switching so that the charged energy of the inductor can discharge to the output and produce an output voltage. The control circuit outputs at least a control signal according to the charged energy and the output voltage for controlling the switching module to switch the inductor and provide the input power to the output, to switch the charged energy of the inductor to discharge to the output, or to switch the input power to charge the inductor.

Abstract translation: 本发明涉及能够自动调制占空比的升压电路，其包括电感器，开关模块和控制电路。 电感器耦合到用于接收输入功率的输入端。 开关模块耦合在电感器，接地和用于开关的输出端之间，使得输入功率可以对电感器充电并产生充电能量，或用于开关，使得电感器的充电能量可以放电到输出端并产生 输出电压。 控制电路根据充电能量和输出电压输出至少一个控制信号，用于控制开关模块切换电感器并向输出端提供输入功率，以将电感器的充电能量切换到输出， 或者切换输入电源以对电感器充电。

公开(公告)号：US20150048743A1

公开(公告)日：2015-02-19

申请号：US14047148

申请日：2013-10-07

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： KUAN-CHAO LIAO ,  KAI-YI WU

IPC: H02M3/04 ,  G09G3/36

CPC classification number: G09G3/36 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2330/02 ,  H02M3/07 ,  H02M2003/1566

Abstract: The present invention discloses a power circuit having multiple stages of charge pumps. The power circuit comprises a first charge pump, a second charge pump, a voltage stabilizing capacitor, and an output capacitor. The first charge pump adjusts an input voltage and produces a first output voltage. The second charge pump adjusts the first output voltage, produces a second output voltage, and outputs the second output voltage for driving a loading. The voltage stabilizing capacitor is coupled between the first and second charge pumps and connected externally to the output of the first charge pump. The output capacitor is coupled to the second charge pump for providing the second output voltage. According to the present invention, the effect of supplying large transient currents to the loading can be achieved by connecting externally the voltage stabilizing capacitor to the output of the first charge pump.

Abstract translation: 本发明公开了一种具有多级电荷泵的电源电路。 电源电路包括第一电荷泵，第二电荷泵，稳压电容器和输出电容器。 第一个电荷泵调节输入电压并产生第一个输出电压。 第二电荷泵调节第一输出电压，产生第二输出电压，并输出用于驱动负载的第二输出电压。 电压稳定电容器耦合在第一和第二电荷泵之间并且在外部连接到第一电荷泵的输出端。 输出电容器耦合到第二电荷泵以提供第二输出电压。 根据本发明，通过将稳压电容器外部连接到第一电荷泵的输出，可以实现向负载提供大的瞬态电流的效果。

公开(公告)号：US20140347198A1

公开(公告)日：2014-11-27

申请号：US13919112

申请日：2013-06-17

Applicant: NATIONAL TAIWAN UNIVERSITY ,  SITRONIX TECHNOLOGY CORP.

Inventor： CHAN-HSIANG WENG ,  CHUN-KUAN WU ,  TSUNG-HSIEN LIN

IPC: H03M1/06 ,  H03M1/00

CPC classification number: H03M3/324 ,  H03M3/43

Abstract: The present invention relates to an analog-to-digital converting circuit with temperature sensing and the electronic device thereof. The present invention uses a first impedance device to receive a reference voltage and produces an input current according to a temperature. An analog-to-digital converting unit is coupled to the first impedance device and produces a digital output signal according to the input current. Thereby, according to the present invention, by integrating the first impedance device into the analog-to-digital converting circuit, the circuit area and the power consumption can be lowered, which further reduces the cost and improves the accuracy of temperature sensing.

Abstract translation: 本发明涉及具有温度检测的模数转换电路及其电子装置。 本发明使用第一阻抗装置接收参考电压并根据温度产生输入电流。 模数转换单元耦合到第一阻抗器件，并根据输入电流产生数字输出信号。 因此，根据本发明，通过将第一阻抗器件集成到模数转换电路中，可以降低电路面积和功耗，进一步降低成本并提高温度检测的精度。

公开(公告)号：US20140192095A1

公开(公告)日：2014-07-10

申请号：US14146061

申请日：2014-01-02

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： MIN-NAN LIAO

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2320/0276 ,  Y10T29/4913

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.

公开(公告)号：US20140105321A1

公开(公告)日：2014-04-17

申请号：US14036305

申请日：2013-09-25

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： SHENG-HSUN LIN ,  CHENG-CHUNG YEH ,  CHUN-CHI YEH ,  CHIH-TE HUNG ,  WEI-CHIA SU

IPC: H04L1/00

CPC classification number: H04L1/0002 ,  H04L7/0004 ,  H04L7/0016 ,  H04L7/0091

Abstract: The present invention relates to a transmission interface device capable of calibrating the transmission frequency automatically, which comprises a clock generating unit, a data transmission unit, and a control unit. The clock generating unit is used for generating an operating clock, which determines a transmission frequency. The data transmission unit is used for connecting to a host and transmitting a plurality of data to the host or receiving the plurality of data from the host according to the operating clock. When the host or the data transmission unit detects transmission errors in the plurality of data, the host or the data transmission unit generates an error handling. The control unit generates an adjusting signal according to the error handling and transmits the adjusting signal to the clock generating unit for adjusting the transmission frequency of the operating clock.

Abstract translation: 本发明涉及一种能够自动校准传输频率的传输接口设备，包括时钟发生单元，数据传输单元和控制单元。 时钟发生单元用于产生确定传输频率的操作时钟。 数据发送单元用于连接主机，并将多个数据发送到主机，或者根据操作时钟从主机接收多个数据。 当主机或数据发送单元检测到多个数据中的传输错误时，主机或数据传输单元产生错误处理。 控制单元根据误差处理生成调整信号，并将该调整信号发送到时钟发生单元，调整工作时钟的发送频率。