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    • 2. 发明申请
    • SWITCH
    • 开关
    • US20150077171A1
    • 2015-03-19
    • US14465100
    • 2014-08-21
    • MING-FENG LINHEP TECH CO., LTD.
    • MING-FENG LIN
    • H03K17/66
    • H03K17/663H03K17/60H03K17/68H03K2217/0009H03K2217/0036H03K2217/0054
    • A switch includes a first switching member and a latch circuit. A first terminal of the first switching member is electrically connected to a power source, while a second terminal thereof is electrically connected to a loading. The latch circuit includes a first transistor and a second transistor which are mutually electrically connected. The first transistor is electrically connected to the first terminal, and the second transistor is electrically connected to the control terminal. By inputting a trigger voltage to the second transistor, the second transistor and the first switching member are conducted, which makes the first transistor become conductive. After the first transistor becoming conductive, the first transistor provides electricity to the second transistor to cause latching effect, and to consequently keep the first switching member conductive.
    • 开关包括第一开关元件和锁存电路。 第一开关构件的第一端子电连接到电源,而其第二端子与负载电连接。 锁存电路包括彼此电连接的第一晶体管和第二晶体管。 第一晶体管电连接到第一端子,并且第二晶体管电连接到控制端子。 通过向第二晶体管输入触发电压,导通第二晶体管和第一开关元件,这使得第一晶体管导通。 在第一晶体管导通之后,第一晶体管向第二晶体管提供电力以引起锁存效应,并因此保持第一开关元件导电。
    • 3. 发明授权
    • Constant-power power supply apparatus and method of supplying constant-power power
    • 恒功率供电装置及其供电方式
    • US08896226B2
    • 2014-11-25
    • US14165182
    • 2014-01-27
    • Hep Tech Co., Ltd.Ming-Feng Lin
    • Ming-Feng Lin
    • H05B37/02H02M3/04H05B33/08
    • H02M3/04H05B33/08H05B33/0845H05B33/0851
    • A power supply apparatus for applying a method of supplying a loading with an electric power within a predetermined range of a default power, which includes a driving unit, a voltage sensing unit, and a feedback control unit. The driving unit receives power from a power source, and supplies the loading with a working voltage and a working current; the voltage sensing unit detects the working voltage; the feedback control unit keeps a plurality of reference voltages, wherein each two neighboring reference voltages are defined to have a voltage section therebetween. The feedback control unit sends a current signal to the driving unit according to the working voltage and a slope parameter of the voltage section which the working voltage falls in, and the driving unit supplies the working current according to the current signal to maintain the electric power in the predetermined range of the default power.
    • 一种电源装置,用于将包括驱动单元,电压感测单元和反馈控制单元的默认功率的预定范围内的电力提供给负载的方法。 驱动单元从电源接收电力,并且向负载提供工作电压和工作电流; 电压感测单元检测工作电压; 反馈控制单元保持多个参考电压,其中每两个相邻参考电压被限定为在它们之间具有电压部分。 反馈控制单元根据工作电压和工作电压所在的电压部分的斜率参数向驱动单元发送电流信号,并且驱动单元根据当前信号提供工作电流以维持电力 在默认功率的预定范围内。
    • 5. 发明申请
    • DIMMABLE LED LAMP
    • DIMMABLE LED灯
    • US20140217922A1
    • 2014-08-07
    • US14165151
    • 2014-01-27
    • Ming-Feng LINHEP TECH CO., LTD.
    • Ming-Feng LIN
    • H05B33/08
    • H05B33/0845H05B33/0815Y02B20/346
    • A dimmable LED lamp, which receives power from a DC power source to emit light, includes a main body, a DC/DC converter, and a LED module; wherein the main body is hollow, and includes a conductive portion made of a conductive material, wherein the conductive portion is connected to the DC power source; the DC/DC converter is provided in the main body, and is electrically connected to the conductive portion of the main body to receive a power from at least a DC power source; the DC/DC converter converts a voltage of the power provided by the DC power source into a corresponding current; the LED module is provided on the main body, and is electrically connected to the DC/DC converter to emit light with luminance corresponding to the current received from the DC/DC converter.
    • 从DC电源接收发光功率的可调光LED灯包括主体,DC / DC转换器和LED模块; 其中所述主体是中空的,并且包括由导电材料制成的导电部分,其中所述导电部分连接到所述直流电源; DC / DC转换器设置在主体中,并且电连接到主体的导电部分以从至少DC电源接收电力; DC / DC转换器将由DC电源提供的电力的电压转换成相应的电流; LED模块设置在主体上,并且电连接到DC / DC转换器以发射具有与从DC / DC转换器接收的电流相对应的亮度的光。
    • 8. 发明申请
    • METHOD OF DRIVING LED CHIP
    • 驱动LED芯片的方法
    • US20150264771A1
    • 2015-09-17
    • US14641350
    • 2015-03-07
    • MING-FENG LINHEP TECH CO., LTD.
    • MING-FENG LIN
    • H05B33/08
    • H05B33/0851H05B33/0815
    • A method of driving a LED chip includes the following steps: generate a reference voltage, and accordingly control a driving unit to output electrical energy at a power corresponding to the strength of the reference voltage; obtain an operating current required by the LED chip; control the driving unit to output the operating current to the LED chip under the power corresponding to the reference voltage. Whereby, with different strengths of the reference voltage, the driving unit is capable of outputting electrical energy to the LED chip at different powers. Therefore, one single driving apparatus applied with the method is sufficient to replace multiple conventional driving apparatuses for LED chips.
    • 驱动LED芯片的方法包括以下步骤:产生参考电压,从而控制驱动单元以与参考电压的强度相对应的功率输出电能; 获得LED芯片所需的工作电流; 控制驱动单元在对应于参考电压的功率下将工作电流输出到LED芯片。 由此,具有不同的参考电压强度,驱动单元能够以不同的功率向LED芯片输出电能。 因此,应用该方法的单个驱动装置足以替代用于LED芯片的多个常规驱动装置。
    • 9. 发明授权
    • Driving apparatus for LED chips of different specifications
    • 不同规格的LED芯片驱动装置
    • US09131579B2
    • 2015-09-08
    • US14204972
    • 2014-03-11
    • HEP TECH CO., LTD.Ming-Feng Lin
    • Ming-Feng Lin
    • H05B37/02H05B33/08
    • H05B33/0851H05B33/0848
    • A driving apparatus for LED chips includes: a driving unit, a voltage measuring unit, and a feedback control module. The driving unit provides a driving voltage and a driving current to a LED chip; the voltage measuring unit measures the driving voltage; the feedback control module is built-in with a default power; According to the driving voltage measured by the voltage measuring unit and the default power, the feedback control module controls the driving unit to maintain the driving current at a working current, wherein the working current matches the rated current of the LED chip. Whereby, the driving apparatus could drive LED chips of different specifications.
    • 用于LED芯片的驱动装置包括:驱动单元,电压测量单元和反馈控制模块。 驱动单元向LED芯片提供驱动电压和驱动电流; 电压测量单元测量驱动电压; 反馈控制模块内置默认电源; 根据由电压测量单元测量的驱动电压和默认功率,反馈控制模块控制驱动单元将驱动电流维持在工作电流,其中工作电流与LED芯片的额定电流相匹配。 因此,驱动装置可以驱动不同规格的LED芯片。