Abstract: A light source device for an outdoor lamp includes a lamp base assembly, a heat dissipation assembly, and a light source assembly. The lamp base assembly includes a retaining base having a sliding slot, a mounting member being capable of sliding along the sliding slot, and a bracket which is substantially U-shaped. The bracket is removably connected to the mounting member by a top portion thereof. The heat dissipation assembly is connected to the lamp base assembly. The heat dissipation assembly includes a heat sink connected to both ends of the bracket, and a fan connected to the heat sink. The light source assembly includes a printed circuit board connected to the heat sink and an LED chip packaged on the printed circuit board.

Abstract: An LED drive circuit for controlling a leakage current includes an input circuit, a rectifier circuit, a power source control module, and an LED load module, which are successively coupled. The LED drive circuit for controlling the leakage current further includes a leakage current proof control module coupled to the rectifier circuit and the power source control module.

Abstract: A ceiling lamp includes a lamp housing comprising a mounting bracket, a mounting pedestal mounted on the mounting bracket, an insulating cover connected to the mounting pedestal, and a lampshade enclosing the mounting bracket. The ceiling lamp further includes a light source assembly mounted in the lamp housing, the light source assembly includes a PCB, a plurality of LED beads mounted on a bottom surface of the PCB, and a processing circuit integrated on the PCB. The processing circuit includes a power consumption module electrically coupled to a mains power supply, a rectifier module electrically coupled to the power consumption module, and a constant current module electrically coupled to the rectifier module. The power consumption module comprising a fusing resistor and a varistor.

Abstract: An LED driver circuit compatible with a ballast includes an input circuit, a rectifier and filter circuit, a DC/DC converter circuit, an output circuit, and an LED load circuit, which are sequentially coupled. The input circuit includes buffer capacitors CX1, CX2, and CX3; bleeder resistor strings RX1, RX2, and RX3; and insurance resistors F1, F2, and F3. The input circuit includes a plurality of input terminals and a plurality of output terminals. Each of the output terminals of the input circuit is coupled to other output terminals through the bleeder resistor strings RX1, RX2, and RX3, respectively. The LED driver circuit further includes an IC start-up circuit coupled to the rectifier and filter circuit, and a PWM controller circuit coupled to the DC/DC converter circuit.

Abstract: A multi-function floodlight includes: a heat sink comprising a main body, and a plurality of heat dissipating fins mounted on the heat sink; a heat dissipating cover enclosing the heat sink; a bracket rotatably connected to the heat dissipating cover; an upper cap covering a top of the heat dissipating cover; a light transmitting lower cap covering a bottom of the heat dissipating cover, a waterproof gasket is provided between the light transmitting lower cap and the main body, the main body and the light transmitting lower cap cooperatively define a containing chamber; a light emitting assembly mounted on the heat sink, the light emitting assembly is received in the containing chamber; a driver mounted on the plurality of heat dissipating fins and electrically coupled to the light emitting assembly; and an emergency battery mounted on the plurality of heat dissipating fins.

Abstract: A multi-function floodlight includes: a heat sink comprising a main body, and a plurality of heat dissipating fins mounted on the heat sink; a heat dissipating cover enclosing the heat sink; a bracket rotatably connected to the heat dissipating cover; an upper cap covering a top of the heat dissipating cover; a light transmitting lower cap covering a bottom of the heat dissipating cover, a waterproof gasket is provided between the light transmitting lower cap and the main body, the main body and the light transmitting lower cap cooperatively define a containing chamber; a light emitting assembly mounted on the heat sink, the light emitting assembly is received in the containing chamber; a driver mounted on the plurality of heat dissipating fins and electrically coupled to the light emitting assembly; and an emergency battery mounted on the plurality of heat dissipating fins.

Abstract: An LED driver circuit compatible with a ballast includes an input circuit, a rectifier and filter circuit, a DC/DC converter circuit, an output circuit, and an LED load circuit, which are sequentially coupled. The input circuit includes buffer capacitors CX1, CX2, and CX3; bleeder resistor strings RX1, RX2, and RX3; and insurance resistors F1, F2, and F3. The input circuit includes a plurality of input terminals and a plurality of output terminals. Each of the output terminals of the input circuit is coupled to other output terminals through the bleeder resistor strings RX1, RX2, and RX3, respectively. The LED driver circuit further includes an IC start-up circuit coupled to the rectifier and filter circuit, and a PWM controller circuit coupled to the DC/DC converter circuit.

Abstract: An LED lamp tube includes: a nanotube made of nano-scale material, wherein the nanotube has an elongated shape, and opposite ends of the nanotube are opened; two connecting terminals connected to opposite ends of the nanotube, respectively; and an LED light bar mounted in the nanotube, the LED light bar being connected to an external power supply via a driving circuit board and the connecting terminals. Light emitted by the LED light bar is emitted directly through the nanotube, and the nanotube is configured to absorb heat generated by the LED light bar and dissipate the heat into air.

Abstract: A quick installation LED lamp includes an aluminum profile having a groove on a top thereof, the aluminum profile being provided with an abutting portion on a bottom thereof; a light source assembly received in the groove, the light source assembly comprising a support strip and a plurality of LED beads arranged spaced and equidistantly on the support strip; a lampshade mounted on the aluminum profile and covering the light source assembly; a connector assembly, and a fixing piece having a base plate and the two side plates extending upwardly from both sides of the base plate, wherein the side plate has a bending portion latching with the abutting portion.

Abstract: A replaceable LED lamp is configured to be mounted on a lamp bracket, the lamp bracket includes a lamp bracket bottom wall and two lamp bracket sidewalls extending from opposite sides of the lamp bracket bottom wall along the same direction, the replaceable LED lamp includes: a lamp housing; a power drive mounted on a surface of the lamp housing facing the lamp bracket; a lamp strip mounted on a surface of the lamp housing opposite to the lamp bracket; two latching edges fixed to opposite sides of the lamp housing; a lampshade covering the lamp strip; and a plurality of mounting plates connecting the lamp housing to the lamp bracket; wherein each latching edge defines a latching groove, the lampshade includes two latching lugs on opposite sides thereof, the latching lug is plugged in the latching groove.

Abstract: An LED lamp includes a lamp base; an LED light source module mounted on the lamp base; a transparent lampshade including two resisting sheets extending inwardly from an inner sidewall thereof, the two resisting sheets resisting the LED light source module to position the LED light source module; and two magnets mounted on opposite ends of a bottom surface of the lamp base, respectively; wherein each magnet includes a magnetic head and a connector, the connector includes a shaft and a flange extending outwardly from a periphery of an end of the shaft, the magnetic head has an annular shape and defines an engaging hole, the shaft of the connector extends through the lamp base and the engaging hole, and is connected to the magnetic head, the flange resists a top surface of the lamp base.

Abstract: The present disclosure includes an apparatus, which includes: a transparent cover, a housing to form a first compartment with the transparent cover, one or more light emitting diodes disposed inside the first compartment, and a lighting driver module disposed inside the first compartment and electrically coupled with the one or more light emitting diodes, the lighting driver module including a rectifier to convert an AC signal to a DC signal, a current sensor to measure current supplied to the one or more light emitting diodes and to provide information related to the measured current, a first switching device electrically coupled with the rectifier and with the one or more light emitting diodes, and being capable of being controlled by a controller to interrupt or allow a transmission of the DC signal to the one or more light emitting diodes, based on the information provided by the current sensor.

Abstract: The present disclosure includes an apparatus, which includes: a transparent cover, a housing to form a first compartment with the transparent cover, one or more light emitting diodes disposed inside the first compartment, and a lighting driver module disposed inside the first compartment and electrically coupled with the one or more light emitting diodes, the lighting driver module including a rectifier to convert an AC signal to a DC signal, a current sensor to measure current supplied to the one or more light emitting diodes and to provide information related to the measured current, a first switching device electrically coupled with the rectifier and with the one or more light emitting diodes, and being capable of being controlled by a controller to interrupt or allow a transmission of the DC signal to the one or more light emitting diodes, based on the information provided by the current sensor.