Abstract: A power supplying device is provided to supply power for a plurality of loads. The power supplying device includes a detecting circuit, a controlling circuit, and a constant current circuit. The detecting circuit is electrically connected to a plurality of output terminals, and configured to detect whether the output terminals are electrically connected to the loads. In addition, the detecting circuit is configured to output a detecting signal according to the number of the loads which are connected to the output terminals. The controlling circuit is electrically connected to the detecting circuit, and configured to receive the detecting signal and output a controlling signal according to the detecting signal. The constant current circuit is electrically connected to the controlling circuit and the output terminals, and configured to drive the power supplying device to output the maximum current or part of the maximum current according to the controlling signal.

Abstract: A light emitting device includes several light emitting diode unit groups, a battery, a microprocessor, and a smoke detector is disclosed. When the light emitting diode unit groups receive power supplied from an external power supply, the external power supply charges the battery through the part of the plurality of light emitting diode unit groups, and the external power supply drives at least one of the plurality of light emitting diode unit groups. When the light emitting diode unit groups do not receive the power supplied from the external power supply, the battery discharges to drive the at least one of the plurality of light emitting diode unit groups. When the smoke detector detects that a smoke concentration in an environment exceeds a preset value, the microprocessor sends a flickering signal so that the at least one of the plurality of light emitting diode unit groups flickers.

Abstract: A light emitting device includes several light emitting diode unit groups, a battery, a microprocessor, and a smoke detector is disclosed. When the light emitting diode unit groups receive power supplied from an external power supply, the external power supply charges the battery through the part of the plurality of light emitting diode unit groups, and the external power supply drives at least one of the plurality of light emitting diode unit groups. When the light emitting diode unit groups do not receive the power supplied from the external power supply, the battery discharges to drive the at least one of the plurality of light emitting diode unit groups. When the smoke detector detects that a smoke concentration in an environment exceeds a preset value, the microprocessor sends a flickering signal so that the at least one of the plurality of light emitting diode unit groups flickers.

Abstract: A light emitting device includes several light emitting diode units connected in series with each other and a battery. The battery is coupled to a part of the light emitting diode units. When the light emitting diode units receive power supplied from an external power supply, the external power supply charges the battery through the part of the light emitting diode units, and drives the light emitting diode units, and when the light emitting diode units do not receive power supplied from the external power supply, the battery discharges to drive at least one of the light emitting diode units.

Abstract: A power supplying device is provided to supply power for a plurality of loads. The power supplying device includes a detecting circuit, a controlling circuit, and a constant current circuit. The detecting circuit is electrically connected to a plurality of output terminals, and configured to detect whether the output terminals are electrically connected to the loads. In addition, the detecting circuit is configured to output a detecting signal according to the number of the loads which are connected to the output terminals. The controlling circuit is electrically connected to the detecting circuit, and configured to receive the detecting signal and output a controlling signal according to the detecting signal. The constant current circuit is electrically connected to the controlling circuit and the output terminals, and configured to drive the power supplying device to output the maximum current or part of the maximum current according to the controlling signal.

Abstract: LED lighting device includes LED light housing including hollow outer shell with planar mounting surface defined inner top side of accommodation chamber to face toward bottom opening and reflector cup mounted accommodation chamber and defining conical reflective surface therein and carrying lens at top center thereof with light exit surface of lens facing toward bottom opening of hollow outer shell, LED light-emitting module including circuit board mounted between planar mounting surface and lens, array of LEDs arranged front side of circuit board and control circuit with driver IC and capacitor thereof respectively arranged opposing front and back sides of circuit board for converting inputted AC power into stabilized DC power for driving LEDS.

Abstract: LED lighting device includes LED light housing including hollow outer shell with planar mounting surface defined inner top side of accommodation chamber to face toward bottom opening and reflector cup mounted accommodation chamber and defining conical reflective surface therein and carrying lens at top center thereof with light exit surface of lens facing toward bottom opening of hollow outer shell, LED light-emitting module including circuit board mounted between planar mounting surface and lens, array of LEDs arranged front side of circuit board and control circuit with driver IC and capacitor thereof respectively arranged opposing front and back sides of circuit board for converting inputted AC power into stabilized DC power for driving LEDS.

Abstract: LED lighting device includes LED light housing including hollow outer shell with planar mounting surface defined inner top side of accommodation chamber to face toward bottom opening and reflector cup mounted accommodation chamber and defining conical reflective surface therein and carrying lens at top center thereof with light exit surface of lens facing toward bottom opening of hollow outer shell, LED light-emitting module including circuit board mounted between planar mounting surface and lens, array of LEDs arranged front side of circuit board and control circuit with driver IC and capacitor thereof respectively arranged opposing front and back sides of circuit board for converting inputted AC power into stabilized DC power for driving LEDS.

Abstract: A light bulb includes a lamp base unit including a base, an electrically insulative hollow column fastened to the base, a heat sink surrounding the electrically insulative hollow column, a light-transmissive shade surrounding the upper part of the metal cylindrical heat sink and a power supply module electrically connected to the base, a light source module including a metal holder plate, a first circuit board with upward-facing LEDs, a second circuit board with downward-facing LEDs, a first adapter board, a second adapter board, a positioning block and a heat transfer pad and supported on the heat sink in the light-transmissive shade, and a lamp shell fastened to the metal holder plate and capped on the light-transmissive shade. During operation of the LEDs, waste heat can be quickly dissipated into the outside open air through the mounting lugs of the metal holder plate, the heat transfer pad and the heat sink.

Abstract: A LED lamp tube includes a hollow transparent tube body, a heat-dissipating base disposed in the tube body, a light-emitting module, a control circuit module, an electrical-conductive element, and electrical-conductive caps covering the tube body. The light-emitting module and the control circuit module are provided on two opposite surfaces of the heat-dissipating base respectively. The electrical-conductive element penetrates the heat-dissipating base to be electrically connected to the light-emitting module and the control circuit module. By this structure, the LED lamp tube can be assembled more easily with reduced soldering steps.

Abstract: A light emitting diode module includes a metal substrate, a main circuit, an adapter circuit board, an adapter circuit and a plurality of light emitting diodes, and the main circuit is installed on the metal substrate and includes a plurality of first power points, an adapter circuit installed on the adapter circuit board and including a plurality of second power points, each being electrically coupled to each corresponding first power point, and the light emitting diode is installed on a surface of the metal substrate and electrically coupled to the main circuit. A light emitting diode lamp includes a reflection cover, a light emitting diode module and a plurality of power lines.

Abstract: A light bulb includes a lamp base unit including a base, an electrically insulative hollow column fastened to the base, a heat sink surrounding the electrically insulative hollow column, a light-transmissive shade surrounding the upper part of the metal cylindrical heat sink and a power supply module electrically connected to the base, a light source module including a metal holder plate, a first circuit board with upward-facing LEDs, a second circuit board with downward-facing LEDs, a first adapter board, a second adapter board, a positioning block and a heat transfer pad and supported on the heat sink in the light-transmissive shade, and a lamp shell fastened to the metal holder plate and capped on the light-transmissive shade. During operation of the LEDs, waste heat can be quickly dissipated into the outside open air through the mounting lugs of the metal holder plate, the heat transfer pad and the heat sink.

Abstract: A light emitting diode module includes a metal substrate, a main circuit, an adapter circuit board, an adapter circuit and a plurality of light emitting diodes, and the main circuit is installed on the metal substrate and includes a plurality of first power points, an adapter circuit installed on the adapter circuit board and including a plurality of second power points, each being electrically coupled to each corresponding first power point, and the light emitting diode is installed on a surface of the metal substrate and electrically coupled to the main circuit. A light emitting diode lamp includes a reflection cover, a light emitting diode module and a plurality of power lines.

Abstract: A LED lamp tube includes a hollow transparent tube body, a heat-dissipating base disposed in the tube body, a light-emitting module, a control circuit module, an electrical-conductive element, and electrical-conductive caps covering the tube body. The light-emitting module and the control circuit module are provided on two opposite surfaces of the heat-dissipating base respectively. The electrical-conductive element penetrates the heat-dissipating base to be electrically connected to the light-emitting module and the control circuit module. By this structure, the LED lamp tube can be assembled more easily with reduced soldering steps.

Abstract: An evaporator suitable for absorbing heat from a heat source is provided. The evaporator includes a top board, a bottom board, a side frame, and at least one porous member. The side frame connects the top board and the bottom board. The porous member is disposed between the top board and the bottom board and within the side frame. The part of the top board covering the porous member is a heat conducting portion near the heat source. The evaporator has at least one first channel, at least one second channel, a fluid inlet, and a fluid outlet. The first channel is adjacent to the bottom board and the porous member for containing a working fluid. The second channel is adjacent to the top board and the porous member for containing the working fluid. The fluid inlet communicates with the first channel. The fluid outlet communicates with the second channel.

Abstract: A heat pipe cooling system including an evaporator, a pipeline, a working fluid and a thermal connector is provided. The evaporator is connected to a heat-generating element, and the pipeline is connected to the evaporator. The working fluid is injected into a closed loop formed by the evaporator and the pipeline. The thermal connector includes a first thermal conductive block and a second thermal conductive block. The first thermal conductive block has many first fitting parts and a contact surface. The contact surface is suitable for attaching to one of the surfaces of an object. The second thermal conductive block has many second fitting parts. The second fitting parts are suitable for meshing with the first fitting parts to form a piping channel inside the thermal connector. The piping channel is suitable for enclosing a section of the pipeline or directly serving as a part of the pipeline.

Abstract: An evaporator suitable for absorbing heat from a heat source is provided. The evaporator includes a top board, a bottom board, a side frame, and at least one porous member. The side frame connects the top board and the bottom board. The porous member is disposed between the top board and the bottom board and within the side frame. The part of the top board covering the porous member is a heat conducting portion near the heat source. The evaporator has at least one first channel, at least one second channel, a fluid inlet, and a fluid outlet. The first channel is adjacent to the bottom board and the porous member for containing a working fluid. The second channel is adjacent to the top board and the porous member for containing the working fluid. The fluid inlet communicates with the first channel. The fluid outlet communicates with the second channel.

Abstract: The heat transfer device at least comprises: an evaporator, a heat conductor and a connecting pipe. The evaporator comprises: a first hollow tube; a porous core mortised inside the first hollow tube; and a second hollow tube mortised on the first hollow tube. The heat conductor 220 covers the evaporator. The heat conductor is on the heating device. The connecting pipe is connected to first and second hollow tubes. The connecting pipe is used for containing a working fluid. The condenser is on the connecting pipe. The porous core, the first and second hollow tube, and the heat conductor are mortised together so as to simplify the manufacturing process, and reduce the cost. Further, the evaporator is tightly covered and fixed by the heat conductor so that the heat generated by the heating device can be uniformly conducted to the evaporator to enhance the heat conductivity.

Abstract: A method for manufacturing a heat transfer device is described. The method includes: mortising a porous core into a first hollow tube; mortising a second hollow tube on the first hollow tube; covering a heat conductor on the first hollow tube; and connecting a connecting pipe to the first hollow tube and the second hollow tube.

Abstract: A method for manufacturing a heat transfer device is described. The method includes: mortising a porous core into a first hollow tube; mortising a second hollow tube on the first hollow tube; covering a heat conductor on the first hollow tube; and connecting a connecting pipe to the first hollow tube and the second hollow tube.