公开(公告)号：US09000345B2

公开(公告)日：2015-04-07

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: G01J1/44 ,  G01J1/46 ,  G01J1/42 ,  H03K4/50 ,  H03K7/08 ,  H03M1/50

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：US20150054810A1

公开(公告)日：2015-02-26

申请号：US14259167

申请日：2014-04-23

Applicant: Sitronix Technology Corp.

Inventor： Tsun-Sen Lin ,  Min-Nan Liao

IPC: G09G3/32

CPC classification number: G09G3/3696 ,  G09G3/3655 ,  G09G2310/06 ,  G09G2320/02

Abstract: The present disclosure provides a voltage calibration circuit. The voltage calibration circuit includes a coupling voltage detection circuit and a common voltage circuit. The coupling voltage detection circuit is used for detecting a coupling voltage in an initial phase and generating a compensation voltage according to the coupling voltage. The common voltage circuit is used for adjusting a common voltage according to the compensation voltage and outputting the common voltage to a display module in a display phase.

Abstract translation: 本公开提供了一种电压校准电路。 电压校准电路包括耦合电压检测电路和公共电压电路。 耦合电压检测电路用于检测初始相位中的耦合电压，并根据耦合电压产生补偿电压。 公共电压电路用于根据补偿电压调节公共电压，并在显示阶段将公共电压输出到显示模块。

公开(公告)号：US20150049008A1

公开(公告)日：2015-02-19

申请号：US14045966

申请日：2013-10-04

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： KAI-YI WU ,  KUAN-CHAO LIAO ,  HUNG-YU LU

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3648 ,  G09G2330/02 ,  H02M1/36 ,  H02M3/07 ,  H02M2001/0006

Abstract: The present invention relates to a power circuit of displaying device, which comprises a timing controller, a control circuit, and a charge pump (single or multiple stages). The timing controller outputs a timing control signal to the control circuit. The control circuit outputs a clock signal or a capacitance adjusting signal according to the timing control signal. The charge pump receives the input voltage and outputs an output voltage according to the clock signal or the capacitance adjusting signal. The output voltage is provided to the scan driver for generating a plurality of scan driving signals. Accordingly, by increasing the rise rate of the output voltage of the charge pump in the voltage conversion time and reducing the rise rate of the output voltage close to the voltage holding time, the present invention can achieve the effect of reducing the power consumption.

Abstract translation: 本发明涉及显示装置的电源电路，其包括定时控制器，控制电路和电荷泵（单级或多级）。 定时控制器向控制电路输出定时控制信号。 控制电路根据定时控制信号输出时钟信号或电容调整信号。 电荷泵接收输入电压，并根据时钟信号或电容调整信号输出输出电压。 输出电压被提供给扫描驱动器以产生多个扫描驱动信号。 因此，通过在电压转换时间内增加电荷泵的输出电压的上升率，并将输出电压的上升率降低到接近电压保持时间的方式，本发明可以实现降低功耗的效果。

公开(公告)号：US08957710B2

公开(公告)日：2015-02-17

申请号：US13556716

申请日：2012-07-24

Applicant: Ping Lin Liu

Inventor： Ping Lin Liu

IPC: H03K17/22 ,  G06F1/26 ,  G09G3/36

CPC classification number: G06F1/26 ,  G09G3/3696 ,  G09G2330/021 ,  G09G2330/026 ,  G09G2330/027 ,  Y10S323/901

Abstract: The present relates to a start-up circuit, which is used for starting up a variable power supply circuit, which comprises a detection circuit and a transition circuit. The detection circuit is used for detecting an output voltage of the variable power supply and producing a detection signal. The transition circuit is coupled to the detection circuit. It transits the level of the detection signal and produces a control signal for starting up or cutting off the variable power supply. Thereby, the problem of incapability in transition can be avoided as well as achieving the purpose of low power consumption.

Abstract translation: 本发明涉及一种启动电路，其用于启动包括检测电路和转换电路的可变电源电路。 检测电路用于检测可变电源的输出电压并产生检测信号。 转换电路耦合到检测电路。 它转换检测信号的电平并产生用于启动或切断可变电源的控制信号。 因此，能够避免转移不能力的问题，而且能够实现低功耗的目的。

公开(公告)号：US08836428B2

公开(公告)日：2014-09-16

申请号：US13669518

申请日：2012-11-06

Applicant: Sitronix Technology Corp.

Inventor： Ping-Lin Liu

IPC: H03F3/45 ,  H03F1/02

CPC classification number: H03F3/45076 ,  H03F1/0261 ,  H03F3/45183 ,  H03F2203/45626 ,  H03F2203/45674

Abstract: The present invention relates to an operational amplifier having low power consumption, which comprises a differential circuit, an output-stage circuit, and a floating bias generating circuit. The differential circuit receives an input signal and produces a control signal. The output-stage circuit is coupled to the differential circuit and produces an output signal according to the control signal. The floating bias generating circuit is coupled between the differential circuit and the output-stage circuit and generates a floating bias according to the control signal for controlling the rising or lowering of the voltage level of the output signal. Accordingly, the operational amplifier can charge and discharge rapidly, and thus extending the applications of the operational amplifier. Besides, the floating bias generating circuit can limit the output current while the operational amplifier is driving, and thus achieving the purpose of low power consumption.

Abstract translation: 本发明涉及具有低功耗的运算放大器，其包括差分电路，输出级电路和浮置偏置产生电路。 差分电路接收输入信号并产生控制信号。 输出级电路耦合到差分电路，并根据控制信号产生输出信号。 浮动偏置产生电路耦合在差分电路和输出级电路之间，并根据控制信号产生浮置偏置，用于控制输出信号的电压电平的上升或下降。 因此，运算放大器可以快速充放电，从而延长运算放大器的应用。 此外，浮动偏置发生电路可以在运算放大器正在驱动时限制输出电流，从而达到低功耗的目的。

公开(公告)号：US08810324B2

公开(公告)日：2014-08-19

申请号：US13664679

申请日：2012-10-31

Applicant: Sitronix Technology Corp.

Inventor： Chih-Te Hung ,  Cheng-Chung Yeh

IPC: H03K3/03 ,  H03L1/00 ,  H03B5/24 ,  H03K3/023 ,  H03K3/011

CPC classification number: H03B5/24 ,  H03K3/011 ,  H03K3/023 ,  H03K3/0322

Abstract: The present invention relates to an oscillating device, which comprises a driving module and an oscillating module. The driving module is used for producing a first driving voltage and a second driving voltage. The oscillating module comprises a first symmetric load circuit, a second symmetric load circuit, and a bias circuit. The first symmetric load circuit and the second symmetric load circuit produce a bias according to the first driving voltage. The bias circuit produces a bias current according to the second driving voltage. The oscillating module produces an oscillating signal according to the first driving voltage and the bias current, where the bias current is proportional to the bias. Thereby, by making the driving signal produced by driving module proportional to the bias of the oscillating module, simple compensation for temperature and process can be performed. Thereby, the frequency can be tuned using a few calibration bits.

Abstract translation: 振动装置技术领域本发明涉及一种振荡装置，其包括驱动模块和振荡模块。 驱动模块用于产生第一驱动电压和第二驱动电压。 振荡模块包括第一对称负载电路，第二对称负载电路和偏置电路。 第一对称负载电路和第二对称负载电路根据第一驱动电压产生偏置。 偏置电路根据第二驱动电压产生偏置电流。 振荡模块根据第一驱动电压和偏置电流产生振荡信号，偏置电流与偏置成正比。 因此，通过使由驱动模块产生的驱动信号与振荡模块的偏置成比例，可以进行温度和处理的简单补偿。 因此，可以使用几个校准位来调谐频率。

公开(公告)号：US08749539B2

公开(公告)日：2014-06-10

申请号：US12792179

申请日：2010-06-02

Applicant: Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

Inventor： Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

IPC: G06G5/00

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：US20140118234A1

公开(公告)日：2014-05-01

申请号：US13760231

申请日：2013-02-06

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： CHUNG-HSIN SU

IPC: G09G3/32

CPC classification number: G11C19/28 ,  G09G3/3674 ,  G09G2310/0286 ,  G09G2310/0289

Abstract: The present invention relates to a decoding and scan driver, which comprises a level-shift circuit, a decoding circuit, an output driving circuit, and a control circuit. The level-shift circuit receives a plurality of input signals and shifts the voltage levels of the plurality of input signals for producing a plurality of decoding control signals. The decoding circuit is coupled to the level-shift circuit and produces a plurality of decoding signals according to the plurality of decoding control signals. The output driving circuit is coupled to the decoding circuit, produces a driving signal sequentially according to the plurality of decoding signals, and outputs the driving signal for driving a display panel. The control circuit is coupled to the output driving circuit, produces a control signal according to one of the plurality of input signals, and transmits the control signal to the output driving circuit for controlling the output driving circuit to output the driving signal. Thereby, the circuit area of the decoding and scan driver is saved and the cost is thus reduced.

Abstract translation: 本发明涉及一种解码和扫描驱动器，其包括电平移位电路，解码电路，输出驱动电路和控制电路。 电平移位电路接收多个输入信号，并且移位多个输入信号的电压电平以产生多个解码控制信号。 解码电路耦合到电平移位电路，并根据多个解码控制信号产生多个解码信号。 输出驱动电路耦合到解码电路，根据多个解码信号依次产生驱动信号，并输出用于驱动显示面板的驱动信号。 控制电路耦合到输出驱动电路，根据多个输入信号之一产生控制信号，并将控制信号发送到输出驱动电路，以控制输出驱动电路输出驱动信号。 因此，解码和扫描驱动器的电路区域被保存，并且因此降低了成本。

公开(公告)号：US20140021331A1

公开(公告)日：2014-01-23

申请号：US13946191

申请日：2013-07-19

Applicant: Sitronix Technology Corp.

Inventor： Hsien Jen Chang

IPC: G01V8/10

CPC classification number: G01V8/10 ,  H03K17/941 ,  H03K2217/94026 ,  H03K2217/94116

Abstract: The present invention relates to a proximity sensing method for proximity sensing unit in a mobile device. The proximity sensing method comprises steps of comparing a sensed value of the proximity sensing unit with a predetermined offset value or a first predetermined range to determine if the sensed value is smaller than the predetermined offset value or if the sensed value is within the first predetermined range; and providing an offset value for confirming if an object is near the mobile device according to the determination that if the sensed value is smaller than the predetermined offset value or within the first predetermined range.

Abstract translation: 本发明涉及一种用于移动设备中的接近感测单元的接近感测方法。 接近感测方法包括以下步骤：将接近感测单元的感测值与预定偏移值或第一预定范围进行比较，以确定感测值是否小于预定偏移值，或者如果感测值在第一预定范围内 ; 以及根据所述检测值是否小于所述预定偏移值或在所述第一预定范围内，提供用于确定物体是否在所述移动装置附近的偏移值。

公开(公告)号：US20130278584A1

公开(公告)日：2013-10-24

申请号：US13687129

申请日：2012-11-28

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： MIN-NAN LIAO

IPC: G06F3/038

CPC classification number: G06F3/038 ,  G09G3/3685 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2320/0276

Abstract: The present invention relates to a driving circuit of display panel capable of eliminating flash, which comprises a scan driving circuit and a data driving circuit. The scan driving circuit produces a plurality of scan signals for scanning a plurality of pixel structures of the display panel. The data driving circuit produces a plurality of data signals for transmitting the plurality of data signals to the plurality of pixel structures when the plurality of pixel structures are scanned. When the data driving circuit transmits the plurality of data signals to the plurality of pixel structures, the data driving circuit adjusts the voltage levels of the data signals of the plurality of pixel structures to be symmetrical to a common voltage of the plurality of pixel structures.

Abstract translation: 本发明涉及能够消除闪光的显示面板的驱动电路，其包括扫描驱动电路和数据驱动电路。 扫描驱动电路产生用于扫描显示面板的多个像素结构的多个扫描信号。 当扫描多个像素结构时，数据驱动电路产生用于将多个数据信号发送到多个像素结构的多个数据信号。 当数据驱动电路将多个数据信号发送到多个像素结构时，数据驱动电路将多个像素结构的数据信号的电压电平调整为与多个像素结构的公共电压对称。