Abstract: An LED lamp includes a bracket, two guiding plates and a number of LED assemblies. Each of the guiding plates includes a body, a top flange and a bottom flange extending from top and bottom edges of the body, respectively. The bottom flanges are mounted on opposite sides of the bracket. The top flanges are oriented towards each other. The LED assemblies are mounted to the bracket and sandwiched between the bodies of the guiding plates. The LED assemblies slide along a longitudinal direction of the guiding plates before the LED assemblies are assembled to the bracket by screwing the LED assemblies to the guiding plates. The quantity of the LED assemblies assembled to the bracket is selective thereby to meet different luminous density requirements/specifications.

Abstract: An LED lamp includes a heat sink having a planar base, a plurality of LED modules attached to a bottom face of the base, an envelope disposed on the bottom face of the base and covering the LED modules, and a lamp bracket securing the base and the envelope together. The lamp bracket includes a vertical frame which defines an opening at a lateral side thereof, an engaging flange extending from an inner face of the frame and supporting a fixing flange of the envelope, and a plurality of protrusions projecting from the inner face of the frame above the engaging flange and pressing the base downwardly towards the envelope. The base of the heat sink and the envelope are inserted into the vertical frame through the opening.

Abstract: An LED lamp includes a housing defining an opening, an LED module received in the housing, a light-guiding cover covering the LED module and a transparent plate hermetically coupled to the housing via glue. The housing includes a main body, a pair of lateral plates secured to two opposite ends thereof and a pair of cushioning plates tightly sandwiched between the lateral plates and the two opposite ends of the main body. Each cushioning plate defines a recessed side edge, whereby two opposite end edges of the transparent plate, the recessed side edges and tops of the lateral plates cooperatively define a pair of receiving grooves at the two opposite ends of the main body of the housing. An outer edge of the transparent plate is hermetically coupled to the housing via glue filled in the receiving grooves.

Abstract: A heat dissipation device (10) includes a first heat sink (20), a second heat sink (30) and a heat pipe (40) transferring heat from the first heat sink to the second heat sink. A bracket (50) includes a first end (51) attached to the first heat sink and a second end (52) attached to the second heat sink.

Abstract: An LED lamp includes a heat sink, a plurality of LED modules mounted on a top of the heat sink and a plurality of light-guiding modules respectively fixed on the LED modules. The heat sink includes a base and a plurality of fins extending downwardly from the base. Each LED module includes a plurality of LEDs mounted thereon. Each light-guiding module includes a mounting bracket defining a plurality of through holes therein and a plurality of guiding units respectively received in the through holes of the mounting bracket. The guiding units are respectively in alignment with the LEDs of a corresponding LED module and receive the LEDs in lower ends thereof to reflect and guide light generated by the corresponding LED module in a predetermined manner.

Abstract: The present invention pertains to a composite material, the method for preparing the same and the use thereof. In this invention, the surface of the polyacrylate layer is treated by silane or silane solution during the process for preparing the composite material to improve the adhesion strength between the polyacrylate layer and the polyurethane layer.

Abstract: An LED lamp includes a housing, a bracket snugly received in the housing, a connecting member fixed to a top of the bracket, a heat sink standing on a top of the connecting member, a plurality of LEDs attached an outer surface of the heat sink and an envelope which is placed on the top of the connecting member, encloses the heat sink and the LEDs therein and engages with the housing. The bracket has a connecting plate. A plurality of electronic components is mounted on a front side of the connecting plate and a plurality fins extending from a rear side of the connecting plate. A covering panel is used to cover an opening of the bracket in front of the connecting plate.

Abstract: A method and system for tamper proofing a system of interconnected electronic devices. The method comprises splitting embedded software of each electronic device into at least two executable parts, a stationary part residing in memory of said each electronic device and a non-stationary part residing in memory of another electronic device.

Abstract: An LED lamp includes a heat sink, an LED module, a driving circuit module, a top cover, and a bottom cover. The LED module is mounted on a top side of the heat sink. The driving circuit module is mounted on a bottom side of the heat sink. The top cover is slidably engaged with the heat sink and covers the LED module. The bottom cover is sliably engaged with the heat sink and covers the driving circuit module.

Abstract: The present application discloses a casing and a corresponding mounting device, for protecting pins of an element from melting during a process flow in which the element is soldered on a circuit board, while saving an area required for soldering the element on the circuit board. The casing comprises a hollow body provided with at least one opening.

Abstract: An LED lamp includes a heat sink and an LED module mounted on the heat sink. The LED module includes a printed circuit board and a plurality of LEDs mounted on a top of the printed circuit board. The heat sink includes a hollow cylinder having a plurality of fins extending outwardly and blocks extending inwardly therefrom. The cylinder contacts with a bottom of the printed circuit board. The blocks are located corresponding to the LEDs so that the blocks are arranged in the cylinder in a pattern corresponding to that of the LEDs on the printed circuit board.

Abstract: An LED lamp assembly includes an LED lamp and a supporting member supporting the LED lamp. The LED lamp includes a plurality of LED modules and a heat sink supporting and cooling the LED modules. The supporting member includes a pair of supporting arms supporting the LED lamp and pivotably engaging with the heat sink of the LED lamp. The heat sink is rotatable relative to the supporting arms of the supporting member to vary an illumination angle of the LED lamp assembly.

Abstract: A light emitting diode (LED) lamp, includes casing and an LED module received in the casing. The casing defines a light-outputting opening in a bottom thereof and has a plurality of fixing parts which are formed at two facing inner sides of the casing and spaced from the light-outputting opening with different distances. The LED module is selectively fixed to one of the fixing parts. Therefore, a distance between the LED module and the light-outputting opening is adjustable by selectively fixing the LED module to different one of the fixing parts.

Abstract: A heat dissipation apparatus adapted for removing heat from a heat-generating electronic component, includes a conducting core, a plurality of conducting arms, a plurality of fins and a heat pipe assembly. The conducting core comprises a heat-absorbing portion contacting with the heat-generating electronic component. The conducting arms extend radially and outwardly from the conducting core. The fins extend outwardly from the respective conducting arms. Each of the heat pipes comprises an evaporating section thermally attached to the heat-absorbing portion of the conducting core and at least one condensing section thermally coupled to the respective conducting arm.

Abstract: A waterproof fastening assembly secures a first structure to a second structure. The first structure defines a number of through holes and a number of flanges surrounding the through holes, respectively. The second structure defines a number of screw holes and includes a number of LED light source modules. A connection shank extends through a corresponding through hole and screws in a corresponding screw hole. An elastic waterproof ring comprises an annular body and a number of protrusions protruding from a top surface of the body. When the first structure is secured to the second structure, the connection shank presses the protrusions to enable the elastic waterproof ring to deform outwardly and inwardly simultaneously. The flange of the first structure resists the outward deformation of the elastic waterproof ring, meanwhile the body of the elastic waterproof ring inwardly engages the connection shank.

Abstract: A signboard integral with an LED lamp includes a lamp post and a display device mounted in the lamp post. The display device includes a box, a transparent plate mounted on an opened end of the box, a panel mounted on a side of the transparent plate and a luminous member consisting a plurality of LEDs hermetically received in the box and located at another side of the transparent plate. The panel has a plurality of holes representing marks to be shown by the signboard. Light generated by the luminous member radiates through the transparent plate and the holes of the panel to display the marks represented by the holes. The marks could be a company logo, brand, trademark or other information.

Abstract: An LED lamp includes a heat sink, and a plurality of LED modules attached to the heat sink. The heat sink includes a base and a plurality of fins extending from the base. The LED modules each include a substrate plate thermally attached to the base of the heat sink and a plurality of LEDs mounted on the substrate plate. A housing includes a frame surrounding the base of the heat sink, and cooperates with the heat sink to define a first cavity between the frame and the base of the heat sink. A first waterproof gasket is received in the first cavity and surrounds the base of the heat sink. A hood covers over the LEDs of the LED modules and contacts the frame of the housing. A second cavity is defined among the hood, the frame of the housing and the body. A second waterproof gasket is received in the second cavity.

Abstract: An LED lamp comprises two spaced elongated side plates, a heat conducting base plate, an LED module, two reflecting plates, a suspension member and an envelope. The base plate is transversely disposed between the two side plates. The LED module is mounted on a bottom surface of the base plate. Two reflecting plates are located below the base plate and attached to the two side plates, respectively, to thereby reflect light generated by the LED module. The suspension member engages with upper portions of the two side plates. The envelope engages with two lower portions of the two side plates to allow light generated by the LED module to radiate therethrough.

Abstract: An LED lamp fixed to an end of a fixing rod, includes a casing, a heat dissipating member fixed to a bottom of the casing and a plurality of LED modules attached to a bottom of the heat dissipating member. The casing has a sleeve part and a mounting part integrally extending from an end of the sleeve part. A plurality of connecting plates extend inwardly along radial directions from an inner wall of the sleeve part. The fixing rod is inserted into the sleeve part of the casing and secured within free, inner ends of the connecting plates.

Abstract: An LED lamp comprises an array of light emitting modules. The light emitting modules each comprise a grille, a heat sink, an LED module and a transparent plate. The grille comprises an inner wall and a frame extending integrally upwards and downwards from the inner wall. The heat sink has a bottom portion thereof extending through the inner wall and has two opposite ends of a top portion thereof abutting the inner wall. The LED module is attached to a top side of the heat sink. The transparent plate is mounted on a top end of the grille and covers the heat sink and the LED module. A plurality of fasteners extend through the inner wall, each having a rotatable resisting portion. The resisting portion presses the heat sink downwardly on the inner wall.