Abstract: An LED lamp includes a lamp frame, a plurality of LED modules, an envelope and a heat sink made of metal. The envelope and the heat sink are mounted on top and bottom sides of the lamp frame. A frame body of the lamp frame is attached to a top face of a base of the heat sink. A heat absorbing member made of metal and provided with a plurality of heat absorbing portions is attached on the top face of the base. The LED modules are attached on top boards of the heat absorbing portions. The envelope engages with the lamp frame and receives the heat absorbing member and the LED modules therein. The top boards are inclined downwards from a middle toward an outside of the heat absorbing member.

Abstract: An LED light source includes an LED module and a light-guiding module fixed on the LED module. The LED module includes a printed circuit board and a plurality of LEDs. The light-guiding module includes a frame placed on the LED module and a plurality of light guiding units engaging with the frame. The frame defines an opening in a lower portion thereof to receive the LEDs of the LED module therein and a recess in an upper portion thereof and in communication with the opening. Each of the light guiding units has a base with two flanges respectively fittingly received in two cutouts of the recess of the frame so that the light guiding unit is movable along the recess until it faces a corresponding LED.

Abstract: An LED lamp includes a frame, a heat sink, an LED module and a reflector. The frame comprises a base, an upper ring spaced from the base and a plurality of stanchions connecting the upper ring and the base together. The heat sink is coupled to a top of the upper ring and covers a whole of a top of the frame. The LED module is attached to a bottom surface of the heat sink and surrounded by the upper ring. The reflector is placed on the base and has an outer surface facing and slantwise to the LED module. The reflector has a configuration like an inverted funnel. The outer surface of the reflector has multiple steps formed thereon.

Abstract: A heat dissipation device includes a fin set, first and second base plates and first and second heat pipes. The first base plate has a face for contacting a heat generating electronic device. The first heat pipe includes first and second sections sandwiching the fin set between the first and second sections and engaging with the fin set. The first and second base plates sandwich the first heat pipe and the fin set between the first and second base plates and engage with the first heat pipe and the fin set. The second heat pipe includes first and second sections sandwiching the first heat pipe, the fin set, the first and second base plates between the first and second sections of the second heat pipe and engaging with the first and second base plates.

Abstract: A protective packaging for protecting an LED module from being damaged during transportation, includes a housing containing the LED module therein and a cover slidably fixed in the housing to cover a top opening of the housing. The housing defines a room to receive the LED module therein. A bottom portion of the housing is concaved to form a space, in which a thermal interface material bonded on the LED module is accommodated. An end of the housing is closed to abut against an end of the cover, and an opposite end of the housing is partially opened to receive an opposite end of the cover. The protective packaging is made from an antistatic plastic and has a wall thickness larger than 0.5 mm.

Abstract: A heat sink for cooling an electronic component includes a lower plate, an upper plate, an upper fin set and a lower fin set respectively fixed on the upper plate and the lower plate, and a plurality of heat pipes sandwiched between the upper plate and the lower plate. The lower plate forms a protrusion projecting downwardly therefrom. A bottom surface of the protrusion is milled to be flat and smooth, whereby the bottom surface can intimately contact the electronic component. A method for manufacturing the heat sink comprising milling a bottom surface of a protrusion punched downwardly from a lower plate, whereby the bottom surface can be flat and smooth sufficiently to have an intimate contact with an electronic component, and sequentially welding an upper plate on the lower plate and a plurality of fins on the lower plate and the upper plate, respectively.

Abstract: A liquid cooling device includes a base, a housing and a heat exchanger. The base and the housing enclose a chamber which receives the heat exchanger therein. Inlet and outlet for liquid are provided at the housing. The heat exchanger includes stacked flakes. Each flake includes parallel and alternately arranged first and second strips each having a void defined therein. The flakes are stacked in a manner such that each first strip overlays and abuts against a corresponding second strip of an adjacent flake and that the void in each first strip and the void in the corresponding second strip of the adjacent flake are in fluid communication with each other to thereby form a channel between the inlet and the outlet.

Abstract: An LED lamp includes a support, an envelope, a heat sink assembly and a plurality of LED modules. The envelope is coupled to the support. The heat sink assembly includes a first heat sink mounted on the envelope, a cylindrical second heat sink attached to a bottom surface of the first heat sink and positioned in the envelope, and a plurality of heat pipes. The LED modules are mounted on an outside wall of the second heat sink. The heat pipes have condensing portions embedded in the bottom surface of the first heat sink and evaporating portions sandwiched between the outside wall of the second heat sink and the LED modules.

Abstract: A clip includes a body with a first end and a second end, an actuating member pivotally coupled to the second end of the body via a pivot, and a movable fastener pivotally coupled to the actuating member at a location apart from and above the pivot. The body has a leg formed at the first end of the body for mounting and the movable fastener has an engaging structure for mounting. The actuating member and the movable fastener are assembled to apply leverage such that when the actuating member is brought to pivot about the pivot, the movable fastener is driven to move between a relaxed position and a locked position where the actuating member is substantially covered by the movable fastener and the engaging structure of the movable fastener securely engages a protrusion of a retention module.

Abstract: An LED lamp includes a heat sink, an LED module attached to a top surface of the heat sink in a thermal conductive relationship therewith and a cover coupled to the top surface of the heat sink and covering the LED module. The heat sink is column-shaped and has a central axis. The heat sink comprises a conducting member and a plurality of spaced and parallel fins extending outwardly from the conducting member. A distance between each of inner edges of the fins and the central axis is gradually decreased from the top surface to a bottom surface of the heat sink.

Abstract: A heat dissipation device includes a heat sink (10) and at least a serpent heat pipe (22). The heat sink (10) comprises a base (12) contacting with an electrical component, a heat dissipation fins group (14) secured to the base (12) and a cover (16) attached to a top of the heat dissipation fins group (14). The heat dissipating fins group (14) defines a notch (148) at one side thereof. Two end portions of the heat pipe (22) are respectively connected to the base (12) and the cover (16), and a middle portion of the heat pipe (22) is accommodated in the notch (148).

Abstract: An LED lamp includes a base, a top cover located above the base, a plurality of heat sinks spaced from each other and three LED modules respectively attached to inner sides of the three heat sinks. The heat sinks are sandwiched between base and the top cover and have a plurality of fins extending outwardly from outer sides thereof.

Abstract: A heat pipe includes a hollow metal casing and a wick structure arranged at an inner surface of the hollow metal casing. A part of the inner surface of the hollow metal casing is covered with the wick structure and other parts of the inner surface are uncovered with the wick structure.

Abstract: A heat spreader for cooling an electronic component includes a lower plate defining a chamber, an upper plate fixed on the lower plate to seal the chamber, a first wick layer and a second wick layer sandwiched between the upper plate, and a working liquid contained in the chamber. The first wick layer and the second wick layer respectively define a plurality of apertures, which include right-angled triangle, acute-angled triangle, and rhomb apertures communicating with each other for containing the working liquid therein.

Abstract: A vapor chamber includes a base (100) and a cover (200). The cover is mounted on the base with a hermetically sealed cavity (102) defined between the base and the cover. A working fluid is contained in the cavity. A first wick structure (220) is spread on an inner surface (201) of the cover. A second wick structure (221) is disposed in the cavity. A third wick structure (110) is spread on an inner surface (101) of the base, and the second wick structure extends between the first wick structure and the third wick structure. A first vapor space (300) is defined in the cavity and surrounds the second wick structure. A second vapor space (400) is defined in the second wick structure and communicated with the first vapor space.

Abstract: A heat sink adapter for cooling an electronic component includes a lower plate, an upper plate, an upper fin set and a lower fin set respectively fixed on the upper plate and the lower plate, and a plurality of heat pipes sandwiched between the upper plate and the lower plate. The lower plate includes a panel contacting the heat pipes, two sidewalls extending upwardly from the panel and separated from the heat pipes, and two flanges extending oppositely from the two sidewalls and soldered on the upper plate. The heat pipes are S-shaped and juxtaposed and directly contact with each other from beginning to end.

Abstract: A heat spreader for cooling an electronic component includes a lower plate, an upper plate fixed on the lower plate, a working liquid contained between the lower plate and the upper plate, and a wick structure formed between the lower plate and the upper plate. Each of the upper plate and the lower plate defines a cavity receiving a portion of the wick structure therein, and a plurality of grooves extending radially from the cavity to a periphery thereof.

Abstract: An LED lamp includes a heat sink having a base and a plurality of fins extending from the base. A plurality of LED modules is thermally attached to the base of the heat sink. A lamp frame surrounds the LED modules on the heat sink and is hermetically mounted to the heat sink. A lens is hermetically attached to the lamp frame and covers the LED modules. The fins includes a plurality of first fins extending from a first face of the base of the heat sink, and second fins extending from a second face of the base. The LED modules are located between the second fins. A pole has a top end engages with the lamp frame. The pole is used for mounting the LED lamp at a desired position, for example, a sidewalk of a street.

Abstract: A pump comprises a base (10), a case (20) fixed on the base, a rotor (30) received between the case and the base, and an inner stator (40) and an outer stator (50) accommodated in the case. The rotor is sandwiched between the inner stator and the outer stator. When the inner stator and the outer stator are energized to generate respective magnetic fields, the rotor is driven to rotate by turning torques that are produced by mutual actions between the rotor and the magnetic fields. Thus, the interior and exterior magnetic fields of the rotor can be utilized sufficiently, and an operation efficiency of the pump is enhanced accordingly.

Abstract: A heat sink adapter for cooling an electronic component includes a lower plate, an upper plate, an upper fin set and a lower fin set respectively fixed on the upper plate and the lower plate, and a plurality of heat pipes sandwiched between the upper plate and the lower plate. The lower plate forms a plurality of bumps projecting upwardly therefrom, which sandwich the heat pipes therebetween to position the heat pipes on the lower plate, wherein some of the heat pipes are bent and sandwiched between two bumps at each bended position, and some of the heat pipes are straight and located near one bump at each end portion thereof.