LIGHT EMITTING DEVICE ARRAY DRIVER CIRCUIT AND CURRENT SPLITTER CIRCUIT AND METHOD OF SPLITTING CURRENT THEREFOR
    121.
    发明申请
    LIGHT EMITTING DEVICE ARRAY DRIVER CIRCUIT AND CURRENT SPLITTER CIRCUIT AND METHOD OF SPLITTING CURRENT THEREFOR 有权
    发光装置阵列驱动电路和电流分离器电路及其分流电流的方法

    公开(公告)号:US20120326613A1

    公开(公告)日:2012-12-27

    申请号:US13226091

    申请日:2011-09-06

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: H05B37/00

    摘要: The present invention discloses a current splitter circuit for splitting a supply current to multiple light emitting device strings of a light emitting device array. The current splitter circuit includes: a minimum selector circuit coupled to the multiple light emitting device strings to generate a minimum signal which indicates a minimum voltage of the light emitting device strings; and multiple current source circuits each including a first current source end coupled to a corresponding light emitting device string, a second current source end coupled to ground, and a current source control end receiving a current control signal related to the minimum signal, so as to control currents through the corresponding light emitting device string.

    摘要翻译: 本发明公开了一种用于将电源电流分离到发光器件阵列的多个发光器件串的电流分离器电路。 当前的分路器电路包括:耦合到多个发光器件串的最小选择器电路,以产生指示发光器件串的最小电压的最小信号; 以及多个电流源电路,每个电流源电路包括耦合到对应的发光器件串的第一电流源端,耦合到地的第二电流源端和接收与最小信号相关的电流控制信号的电流源控制端,以便 控制电流通过相应的发光器件串。

    LIGHT EMITTING DEVICE CURRENT REGULATOR CIRCUIT AND CONTROL METHOD THEREOF
    122.
    发明申请
    LIGHT EMITTING DEVICE CURRENT REGULATOR CIRCUIT AND CONTROL METHOD THEREOF 有权
    发光装置电流调节器电路及其控制方法

    公开(公告)号:US20120286679A1

    公开(公告)日:2012-11-15

    申请号:US13466705

    申请日:2012-05-08

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: H05B37/02

    CPC分类号: H05B33/0827

    摘要: A light emitting device current regulator circuit is disclosed. A light emitting device circuit has a first end for receiving light emitting device operation power, and a second end. The light emitting device current regulator circuit includes: an internal voltage generation circuit coupled to the second end, for generating an internal voltage according to a second end voltage to supply electrical power to the light emitting device current regulator circuit, wherein the supply voltage generation circuit includes a charge storage device for storing charges from the second end voltage to generate the supply voltage; and a current control circuit coupled to the second end, the current control circuit regulating the light emitting device current according to a control signal, wherein the control signal at least intermittently reduces the light emitting device current to zero or low current in order to raise the second end voltage.

    摘要翻译: 公开了一种发光器件电流调节器电路。 发光器件电路具有用于接收发光器件工作电源的第一端和第二端。 发光器件电流调节器电路包括:内部电压产生电路,其耦合到第二端,用于根据第二端电压产生内部电压以向发光器件电流调节器电路提供电力,其中电源电压产生电路 包括用于从第二端电压存储电荷以产生电源电压的电荷存储装置; 以及耦合到所述第二端的电流控制电路,所述电流控制电路根据控制信号调节所述发光器件电流,其中所述控制信号至少间歇地将所述发光器件电流减小到零或低电流,以便提高 第二端电压。

    LED controller with phase-shift dimming function and LED phase-shift dimming circuit and method thereof
    123.
    发明授权
    LED controller with phase-shift dimming function and LED phase-shift dimming circuit and method thereof 有权
    具有相移调光功能的LED控制器和LED相移调光电路及其方法

    公开(公告)号:US08258714B2

    公开(公告)日:2012-09-04

    申请号:US12768046

    申请日:2010-04-27

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: H05B41/16

    摘要: The present invention discloses an LED controller with phase-shift dimming function and an LED Phase-Shift dimming circuit and method thereof. The LED controller includes: a power circuit for supplying DC power to multiple LED channels; and an LED phase-shift dimming circuit for receiving a pulse width modulation (PWM) input signal and generating multiple phase-shifted PWM signals with a shifted phase between one another, wherein a turn-ON timing of each of the multiple phase-shifted PWM signals follows a turn-OFF timing of a previous PWM signal which is the input PWM signal or a previous one of the multiple phase-shifted PWM signals.

    摘要翻译: 本发明公开了一种具有相移调光功能的LED控制器和一个LED相移调光电路及其方法。 LED控制器包括:用于向多个LED通道提供直流电力的电源电路; 以及LED相移调光电路,用于接收脉冲宽度调制(PWM)输入信号并产生具有相互偏移的相位的多个相移PWM信号,其中多个相移PWM中的每一个的导通定时 信号遵循作为输入PWM信号或多个相移PWM信号中的先前PWM信号的先前PWM信号的关断定时。

    LED control circuit and method, and insect resistive LED lamp
    124.
    发明授权
    LED control circuit and method, and insect resistive LED lamp 有权
    LED控制电路和方法,以及昆虫电阻式LED灯

    公开(公告)号:US08248001B2

    公开(公告)日:2012-08-21

    申请号:US12382588

    申请日:2009-03-19

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: H05B37/02

    CPC分类号: A01M29/10

    摘要: A LED control circuit and method generate a high frequency clock signal with a fixed duty for a LED driver, to supply a switching current to drive a LED to emit light flashing at a modulated high frequency and with a fixed duty. By controlling the flashing LED light within certain flashing frequency range, the circuit and method allow a LED light source for expelling, confusing or trapping insects but serving only an illuminative or decorative purpose to human eyes, due to the difference between human beings and insects in visual perception of flashing frequencies.

    摘要翻译: LED控制电路和方法产生用于LED驱动器的固定占空比的高频时钟信号,以提供开关电流来驱动LED以以调制的高频率和固定占空比发光闪烁。 通过在一定的闪烁频率范围内控制闪烁的LED灯,电路和方法允许LED光源驱散,混淆或捕获昆虫,但仅为人眼照亮或装饰目的,由于人与昆虫之间的差异 闪烁频率的视觉感知。

    Single wire transmission without clock synchronization
    125.
    发明授权
    Single wire transmission without clock synchronization 失效
    单线传输无时钟同步

    公开(公告)号:US08180008B2

    公开(公告)日:2012-05-15

    申请号:US11801820

    申请日:2007-05-12

    IPC分类号: H04L7/02

    摘要: The present invention discloses a method for single-wire transmission without clock synchronization, comprising: providing three states; defining a spacing bit by a first state of the three states; and defining data signals, a start signal and an end signal by combinations of the second and third states of the three states.

    摘要翻译: 本发明公开了一种无时钟同步的单线传输方法,包括:提供三种状态; 将所述间隔位定义为所述三种状态的第一状态; 以及通过三种状态的第二和第三状态的组合来定义数据信号,起始信号和结束信号。

    Analog photovoltaic power circuit
    126.
    发明申请
    Analog photovoltaic power circuit 有权
    模拟光伏电源电路

    公开(公告)号:US20120080950A1

    公开(公告)日:2012-04-05

    申请号:US13373789

    申请日:2011-12-01

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: G05F3/08

    摘要: The present invention discloses an analog photovoltaic power circuit, including: a photovoltaic device group for receiving photo energy to generate an input voltage, the input voltage corresponding to an input current; a power stage circuit for receiving the input voltage and generating an output voltage; an optimum current or voltage estimation circuit for receiving a predetermined voltage and estimating an optimum current or voltage point corresponding to an optimal output point according to a direction of variation of the input current and a direction of variation of the power generated by the photovoltaic device group; and an analog comparison and control circuit for comparing the optimum current or voltage with the input current or voltage, to thereby control the operation of the power stage circuit.

    摘要翻译: 本发明公开了一种模拟光伏电力电路,包括:用于接收光能以产生输入电压的光电器件组,输入电压对应于输入电流; 功率级电路,用于接收输入电压并产生输出电压; 用于接收预定电压并且根据输入电流的变化方向和由光伏器件组产生的电力的变化方向来估计与最佳输出点相对应的最佳电流或电压点的最佳电流或电压估计电路 ; 以及用于将最佳电流或电压与输入电流或电压进行比较的模拟比较和控制电路,从而控制功率级电路的操作。

    Multi-output switching regulator and control method therefor
    127.
    发明授权
    Multi-output switching regulator and control method therefor 有权
    多输出开关调节器及其控制方法

    公开(公告)号:US08106531B2

    公开(公告)日:2012-01-31

    申请号:US12592760

    申请日:2009-12-02

    IPC分类号: H02J3/14

    摘要: The present invention discloses a multi-output switching regulator, comprising: a single-input-multiple-output voltage converter converting an input voltage to a first output voltage at a first node and a second output voltage at a second node; an input capacitor connected with the input voltage at an input node; a first output capacitor having two ends, one of which is connected with the first node; and a second output capacitor having two ends, one of which is connected with the second node; wherein the other end of the first output capacitor is connected to ground, the input node or the second node, and the other end of the second output capacitor is connected to ground, the input node or the first node.

    摘要翻译: 本发明公开了一种多输出开关调节器,包括:将输入电压转换为第一节点处的第一输出电压的单输入多输出电压转换器和第二节点处的第二输出电压; 与输入节点处的输入电压连接的输入电容器; 具有两端的第一输出电容器,其中一端与第一节点连接; 以及第二输出电容器,其具有两端,其中一端与所述第二节点连接; 其中第一输出电容器的另一端连接到地,输入节点或第二节点,第二输出电容器的另一端连接到地,输入节点或第一节点。

    Dimming control circuit
    128.
    发明授权
    Dimming control circuit 有权
    调光控制电路

    公开(公告)号:US08026676B2

    公开(公告)日:2011-09-27

    申请号:US12327830

    申请日:2008-12-04

    IPC分类号: G05F1/00 H05B37/00

    CPC分类号: H05B33/0848

    摘要: The present invention discloses a dimming control circuit, comprising: an input terminal for receiving an input signal; an analog and digital dimming circuit receiving the input signal, wherein the analog and digital dimming circuit provides an analog dimming function when a voltage level of the input signal is between a predetermined lower limit and a predetermined upper limit, and a digital dimming function when the voltage level of the input signal switches above and below the predetermined lower limit, and wherein the analog and digital dimming circuit generates an analog signal when the voltage level of the input signal is above the predetermined lower limit; and a power circuit for supplying an output current in correspondence to the analog signal generated by the analog and digital dimming circuit.

    摘要翻译: 本发明公开了一种调光控制电路,包括:输入端,用于接收输入信号; 接收输入信号的模拟和数字调光电路,其中当输入信号的电压电平在预定的下限和预定的上限之间时,模拟和数字调光电路提供模拟调光功能,当数字调光功能在 输入信号的电压电平高于和低于预定下限,并且其中当输入信号的电压电平高于预定下限时,模拟和数字调光电路产生模拟信号; 以及用于对应于由模拟和数字调光电路产生的模拟信号提供输出电流的电源电路。

    Multi-Color Backlight Control Circuit and Multi-Color Backlight Control Method
    129.
    发明申请
    Multi-Color Backlight Control Circuit and Multi-Color Backlight Control Method 有权
    多色背光控制电路和多色背光控制方法

    公开(公告)号:US20110109234A1

    公开(公告)日:2011-05-12

    申请号:US13004293

    申请日:2011-01-11

    申请人: Jing-Meng Liu

    发明人: Jing-Meng Liu

    IPC分类号: H05B37/02

    摘要: The present invention discloses a multi-color backlight control circuit, comprising: a plurality of pins for electrically connecting with a plurality of LED strings of different LED colors; and a voltage supply circuit for receiving an input voltage and supplying a single output voltage to the plurality of LED strings of different LED colors. The present invention also discloses a multi-color backlight control method, comprising: supplying a single output voltage to a plurality of LED strings of different LED colors.

    摘要翻译: 本发明公开了一种多色背光控制电路,包括:多个引脚,用于与多个不同LED颜色的LED串电连接; 以及电压供给电路,用于接收输入电压并将单个输出电压提供给具有不同LED颜色的多个LED串。 本发明还公开了一种多色背光控制方法,包括:将单个输出电压提供给不同LED颜色的多个LED串。

    Reduction of power consumption and EMI of a switching amplifier
    130.
    发明授权
    Reduction of power consumption and EMI of a switching amplifier 失效
    减少开关放大器的功耗和EMI

    公开(公告)号:US07911273B2

    公开(公告)日:2011-03-22

    申请号:US12382762

    申请日:2009-03-24

    IPC分类号: H03F3/217

    摘要: A switching amplifier has a network including current sources and resistors connected to the two output terminals of the H-bridge of the switching amplifier, to provide a small current to the load connected between the two output terminals at zero input, whereby the common mode voltage bouncing is reduced and the switching amplifier has less power consumption and reduced electro-magnetic interference.

    摘要翻译: 开关放大器具有包括连接到开关放大器的H桥的两个输出端的电流源和电阻器的网络,以在零输入处向连接在两个输出端子之间的负载提供小电流,由此共模电压 弹跳减少,开关放大器功耗更低,电磁干扰减少。