LIGHT EMITTING DIODE DRIVING CIRCUIT
    1.
    发明申请
    LIGHT EMITTING DIODE DRIVING CIRCUIT 有权
    发光二极管驱动电路

    公开(公告)号:US20130320857A1

    公开(公告)日:2013-12-05

    申请号:US13571813

    申请日:2012-08-10

    IPC分类号: H05B37/02

    CPC分类号: H05B33/089 Y02B20/341

    摘要: The present disclosure provides a light emitting diode driving circuit, comprising: a power conversion module having an input end, a control end and an output end, wherein the input end receives a voltage, the control end controls the regulation of the duty cycle signal therein according to a received control signal, and the output end outputs a DC voltage having a constant current and a variable voltage value; an overcurrent protection circuit having a switch module and a first resistor connected in series, wherein the overcurrent protection circuit and a LED load connected in series with each other are connected to the power conversion module, so as to turn off the electrical channel between the LED load and the power conversion module when overcurrent occurs; and an overvoltage protection circuit for outputting the control signal when overvoltage occurs and thereby protecting the LED load.

    摘要翻译: 本公开提供了一种发光二极管驱动电路,包括:具有输入端,控制端和输出端的功率转换模块,其中输入端接收电压,控制端控制其中的占空比信号的调节 根据接收到的控制信号,输出端输出具有恒定电流和可变电压值的直流电压; 具有开关模块和串联连接的第一电阻器的过电流保护电路,其中过电流保护电路和彼此串联连接的LED负载连接到电力转换模块,以便关闭LED之间的电通道 负载和电源转换模块发生过电流时; 以及过电压保护电路,用于在发生过电压时输出控制信号,从而保护LED负载。

    Light emitting diode driving circuit
    3.
    发明授权
    Light emitting diode driving circuit 有权
    发光二极管驱动电路

    公开(公告)号:US08729807B2

    公开(公告)日:2014-05-20

    申请号:US13571813

    申请日:2012-08-10

    IPC分类号: H05B37/02

    CPC分类号: H05B33/089 Y02B20/341

    摘要: The present disclosure provides a light emitting diode driving circuit, comprising: a power conversion module having an input end, a control end and an output end, wherein the input end receives a voltage, the control end controls the regulation of the duty cycle signal therein according to a received control signal, and the output end outputs a DC voltage having a constant current and a variable voltage value; an overcurrent protection circuit having a switch module and a first resistor connected in series, wherein the overcurrent protection circuit and a LED load connected in series with each other are connected to the power conversion module, so as to turn off the electrical channel between the LED load and the power conversion module when overcurrent occurs; and an overvoltage protection circuit for outputting the control signal when overvoltage occurs and thereby protecting the LED load.

    摘要翻译: 本公开提供了一种发光二极管驱动电路,包括:具有输入端,控制端和输出端的功率转换模块,其中输入端接收电压,控制端控制其中的占空比信号的调节 根据接收到的控制信号,输出端输出具有恒定电流和可变电压值的直流电压; 具有开关模块和串联连接的第一电阻器的过电流保护电路,其中过电流保护电路和彼此串联连接的LED负载连接到电力转换模块,以便关闭LED之间的电通道 负载和电源转换模块发生过电流时; 以及过电压保护电路,用于在发生过电压时输出控制信号,从而保护LED负载。

    CAPACITOR STRUCTURE AND FABRICATING METHOD THEREOF
    4.
    发明申请
    CAPACITOR STRUCTURE AND FABRICATING METHOD THEREOF 审中-公开
    电容结构及其制作方法

    公开(公告)号:US20140061855A1

    公开(公告)日:2014-03-06

    申请号:US13605983

    申请日:2012-09-06

    IPC分类号: H01L29/92 H01L21/02

    摘要: A capacitor structure includes a first conductive structure, a dielectric structure, a first capacitor electrode, a capacitor dielectric layer, and a second capacitor electrode. The first conductive structure is disposed over a substrate. The dielectric structure is disposed over the substrate and partially enclosing the first conductive structure. The dielectric structure has a trench. A first surface of the first conductive structure is exposed through the trench of the dielectric structure. The first capacitor electrode is disposed on a bottom and a sidewall of the trench. The first capacitor electrode is electrically contacted with the first surface of the first conductive structure. The capacitor dielectric layer is disposed on a surface of the first capacitor electrode. The second capacitor electrode is disposed on a surface of the capacitor dielectric layer and filled in the trench.

    摘要翻译: 电容器结构包括第一导电结构,电介质结构,第一电容器电极,电容器电介质层和第二电容器电极。 第一导电结构设置在衬底上。 电介质结构设置在衬底上并部分地包围第一导电结构。 电介质结构具有沟槽。 第一导电结构的第一表面通过电介质结构的沟槽暴露。 第一电容器电极设置在沟槽的底部和侧壁上。 第一电容器电极与第一导电结构的第一表面电接触。 电容器电介质层设置在第一电容器电极的表面上。 第二电容器电极设置在电容器介电层的表面上并填充在沟槽中。