Abstract: A decorative light has two conductors mounted in a casing. Two terminals of a bulb are positioned by electrical connectors of the conductors, and the terminals electrically connect with the electrical connectors. The bulb is positioned in the casing without a light seat, so number of elements is decreased. The terminals of the bulb are inserted and positioned by the electrical connectors, so cutting and bending of the terminals is not required and an efficiency of fabrication is increased.

Abstract: An electrical power strip has a base, a power cord and a control module. The base has at least one primary receptacle and at least one secondary receptacle. The control module is connected to the power cord and has two power input terminals, at least one primary contact set, a voltage regulating circuit, a current indicating circuit, a comparator, a driving circuit and at least one secondary contact set. The two power input terminals are connected to the power cord. The voltage regulating circuit is connected to the two power input terminals and outputs a regulated voltage. The current indicating circuit is connected to the primary contact set and the voltage regulating circuit to output direct current. The comparator checks for the regulated voltage and the direct current and then outputs a control signal. The control signal applies power to the secondary contact set.

Abstract: An LED light string assembly has a plug for providing a low DC voltage, an extension socket, a light string connected between the plug and the extension socket. The light string has multiple LED Christmas bulbs connected in parallel. Each LED Christmas bulb includes an LED and a resistor connected in series. Even one of the LED Christmas bulb burns out, all the remaining LED Christmas bulb of the light string will not be affected and still can be normally turned on as required to generate light.

Abstract: The present invention discloses a light string device to solve the problem of a limited LED quantity in the conventional technology. The light string device of the present invention comprises a plug containing a full-wave voltage-doubling circuit. The full-wave voltage-doubling circuit converts an AC power into a high-voltage signal powering the light string, whereby the present invention can increase the quantity or brightness of LEDs in the light string without replacing the power supply or increasing the cost.

Abstract: An LED light string assembly has a plug, an extension socket, a light string connected between the plug and the extension socket, and at least one constant current circuit connected to the light string. The constant current circuit has a first input capacitor, a second input capacitor, a first diode, a second diode and a filter capacitor. The first input capacitor is connected in series to the second input capacitor between a first AC terminal and the cathode of the first diode. The second diode is connected between the first diode and the second AC terminal. The filter capacitor is connected between the cathode of the first diode and the second AC terminal.

Abstract: An LED light string has a plug with two front diodes, an extension socket with two rear diodes, multiple LED units connected between the plug and the extension socket, and multiple intermediate diodes connected to the LED units. The intermediate diodes, the two front diodes and the two rear diodes are connected to form multiple bridge rectifiers. The multiple bridge rectifiers are connected to an AC voltage in parallel and drive the LED units, respectively.

Abstract: A light-sensible control device for a light string has a housing of transparent or translucent material, a control circuit board with a photo sensor mounted in the housing and two conductive plates protruding from the housing as a plug. The housing is pervious to light so that the photo sensor detects ambient light passing through the housing from different directions. Based on the detected intensity of the ambient light, the control device determines whether the light string should be turned on or turned off.

Abstract: A light emitting diode light string has a front plug, a rear socket and an LED assembly. The front plug has a first end, a second end and a resistor being mounted inside the front plug and connected to the first end. The rear socket has a first end and a second end. The LED assembly is electrically connected between the resistor and the second end of the rear socket and has multiple LEDs being connected in serial. Plastic package materials for sealing resistors are unnecessary. Therefore cost of manufacturing the LED light string is low.

Abstract: An LED element of an LED stream has an LED and a hollow seat for holding the LED. The LED has a body and two pins extended from a bottom face of the body. The hollow seat has two opposite through side holes defined in an outside of the hollow seat. To assemble the LED element, the LED with the two pins upwardly plugs to inside of the hollow seat. Then the two pins respectively and outwardly pass through the corresponding through side hole of the seat until the body is held by an upper portion of the hollow seat.

Abstract: The present invention discloses a decorative light string device, which comprises: a power plug receiving AC power, a tail socket coupled to the power plug, and a LED string with one end thereof coupled to the power plug and the other end thereof coupled to the tail socket, wherein each of the power plug and tail socket has a diode and a capacitor coupled to the diode, whereby a DC voltage, which is twice the peak voltage of the AC power, is output to the LED string.

Abstract: A plantation pot includes a primary pot body having a side wall and a bottom delimiting a first interior space for containing a first amount of soil for growing a plant or a flower. The bottom of the primary pot body forms a plurality of openings for drainage of water. A circumferential rim is formed on the bottom of the primary pot body and forms external threads. A lower pot body has a side wall and a bottom defining a second interior space containing a second amount of soil. The lower pot body has a top opening forming internal threads engageable with the external threads of the rim fit into the top opening to secure the primary and lower pot bodies together. The plant is allowed to extend roots thereof into the lower pot body through the openings defined in the bottom of the primary pot body.

Abstract: A light emitting diode (LED) lamp assembly comprises an LED string and a plug. The LED string comprises multiple LEDs connected together in series. The plug is connected to the LED string and an external AC power source and has a circuit board. The circuit board is mounted in the plug, turns the LED string on or off, converts AC power to DC power and comprises an AC/DC circuit, a control circuit and a switch circuit. The AC/DC circuit is connected to the external AC power source and the LED string and converts AC power to DC power to provide operating power for the LEDs. The control circuit is connected to the AC/DC circuit to regulate illumination of the LEDs. The switch circuit is connected between the LED string and the AC/DC circuit and is controlled by the control circuit to turn the LEDs on or off.

Abstract: The light emitting diode (LED) lamp assembly has an LED light string, a power plug, an AC to DC converter and a voltage-regulating element. The LED light string has multiple LEDs connected in series. The power plug is connected to the LED light string and obtains an AC power from an external AC power source. The AC to DC converter is retained and mounted in the power plug and is connected to the LED light string, wherein the AC to DC converter obtains and converts the AC power into a DC power. The voltage-regulating element is connected between the LED light string and the AC to DC converter in the power plug and has a constant voltage. Therefore, a voltage supplied to the LED light string is obtained by subtracting the constant voltage of the voltage-regulating element from the voltage of the DC power.

Abstract: An LED element of an LED stream has an LED and a hollow seat for holding the LED. The LED has a body and two pins extended from a bottom face of the body. The hollow seat has two opposite through side holes defined in an outside of the hollow seat. To assembly the LED element, the LED with the two pins upwardly plugs to inside of the hollow seat. Then the two pins respectively and outwardly pass through the corresponding through side hole of the seat until the body is held by an upper portion of the hollow seat.

Abstract: A light emitting diode (LED) lamp assembly comprises an LED string and a plug. The LED string comprises multiple LEDs connected together in series. The plug is connected to the LED string and an external AC power source and has a circuit board. The circuit board is mounted in the plug, turns the LED string on or off, converts AC power to DC power and comprises an AC/DC circuit, a control circuit and a switch circuit. The AC/DC circuit is connected to the external AC power source and the LED string and converts AC power to DC power to provide operating power for the LEDs. The control circuit is connected to the AC/DC circuit to regulate illumination of the LEDs. The switch circuit is connected between the LED string and the AC/DC circuit and is controlled by the control circuit to turn the LEDs on or off.

Abstract: An electrical power strip has a base, a power cord and a control module. The base has at least one primary receptacle and at least one secondary receptacle. The control module is connected to the power cord and has two power input terminals, at least one primary contact set, a voltage regulating circuit, a current indicating circuit, a comparator, a driving circuit and at least one secondary contact set. The two power input terminals are connected to the power cord. The voltage regulating circuit is connected to the two power input terminals and outputs a regulated voltage. The current indicating circuit is connected to the primary contact set and the voltage regulating circuit to output direct current. The comparator checks for the regulated voltage and the direct current and then outputs a control signal. The control signal applies power to the secondary contact set.

Abstract: A Christmas tree includes a trunk, and several lamp sets; the trunk includes several hollow rods, which are separably connected together by inserting lower ends into upper ends of adjacent rods, and each of which has a hole; each hollow rod has a first and a second connecting members respectively securely fitted in the upper and the lower ends thereof; each first connecting member having a fitting hole, and two terminals; each second connecting member has two terminals facing outwards; each hollow rod has cords therein, which are connected to the terminals in two ends thereof; the lamp sets are passed through the holes of the rods from cord parts thereof, which are connected to corresponding terminals in the rods; all of the lamp sets will be electrically connected to the cords in the rods after the rods are connected together for the terminals to be electrically connected.

Abstract: A Christmas tree includes a trunk, and several lamp sets; the trunk includes several hollow rods, which are separably connected together by inserting lower ends into upper ends of adjacent rods, and each of which has a hole; each hollow rod has a first and a second connecting members respectively securely fitted in the upper and the lower ends thereof; each first connecting member having a fitting hole, and two terminals; each second connecting member has two terminals facing outwards; each hollow rod has cords therein, which are connected to the terminals in two ends thereof; the lamp sets are passed through the holes of the rods from cord parts thereof, which are connected to corresponding terminals in the rods; all of the lamp sets will be electrically connected to the cords in the rods after the rods are connected together for the terminals to be electrically connected.

Abstract: A decorative optical fiber artificial plant has a base and an artificial foliage arrangement. The base has a housing and a colored light generator mounted in the housing. The artificial foliage arrangement is composed of multiple optical fibers and is connected to a specific position of the housing on which colored lights shines. The colored light generator has multiple LEDs and a controller to drive the LEDs. The controller has at least a microprocessor and multiple electronic switches connected between output ports of the microprocessor and the corresponding LEDs. Further, different driving programs are built into the microprocessor so the colored light generator can generate different color lights with various characteristics.

Abstract: A decorative optical fiber artificial plant has a base and an artificial foliage arrangement. The base has a housing and a colored light generator mounted in the housing. The artificial foliage arrangement is composed of multiple optical fibers and is connected to a specific position of the housing on which colored lights shines. The colored light generator has multiple LEDs and a controller to drive the LEDs. The controller has at least a microprocessor and multiple electronic switches connected between output ports of the microprocessor and the corresponding LEDs. Further, different driving programs are built into the microprocessor so the colored light generator can generate different color lights with various characteristics.