Patent application number | Description | Published |
20080316755 | LED LAMP HAVING HEAT DISSIPATION STRUCTURE - An LED lamp includes a lamp base, a heat sink and a plurality of LED modules. The lamp base includes a lamp holder and an enclosure connecting with the lamp holder. The enclosure defines a plurality of vents therein. The heat sink is mounted on the lamp base and includes a cylinder at a centre thereof and a plurality of fins surrounding the cylinder. The cylinder has a through hole therein, which communicates with the enclosure. The through hole, the enclosure and the vents cooperatively form an air circulation passage communicating with ambient air. The LED modules are mounted on outmost ones of the fins of the heat sink, respectively. | 12-25-2008 |
20090002995 | LED LAMP - An LED lamp includes a transparent bulb, an LED module comprising a plurality of LEDs received in an inner space of the bulb, and a heat dissipation apparatus supporting and cooling the LED module. The heat dissipation device includes a heat sink having a hollow base and a plurality of fins extending from the base, a first heat conductor vertically supported by the heat sink, a second heat conductor horizontally mounted on the first heat conductor, and a heat pipe thermally connecting the heat sink, the first heat conductor and the second heat conductor together. The LEDs are positioned on the first heat conductor and the second heat conductor, respectively. | 01-01-2009 |
20090016062 | LED LAMP - An LED lamp includes a heat dissipation apparatus, an LED module, a bulb and a reflector. The heat dissipation apparatus includes a first heat sink, a second heat sink and a heat conductor positioned between the first heat sink and the second heat sink. The LED module includes a plurality of LEDs mounted on the heat conductor. The bulb is seated on the first heat sink and the reflector is seated on the second heat sink. The reflector and the bulb together form a housing for receiving the LED module and the heat conductor therein. Heat pipes are used to thermally connect the heat conductor and the first and second heat sinks. | 01-15-2009 |
20090016072 | LED LAMP WITH A HEAT DISSIPATION DEVICE - An LED lamp includes a heat sink ( | 01-15-2009 |
20090021944 | LED LAMP - An LED lamp includes a bulb, an LED module having a plurality of LEDs received in the bulb and a heat dissipation apparatus supporting and cooling the LED module. The heat dissipation device includes a heat sink, a hollow first heat conductor, and a heat pipe. The heat sink has a hollow base and a plurality of fins mounted on the base. The hollow first heat conductor is supported by the heat sink. The heat pipe is retained in the heat sink and the first heat conductor in such a manner that an outer periphery surface of the heat pipe is tightly enclosed by the base and the first heat conductor. The LEDs are distributed on the first heat conductor. | 01-22-2009 |
20090027888 | LED LAMP WITH HEAT DISSIPATION DEVICE - An LED lamp includes an LED module ( | 01-29-2009 |
20090040776 | LED LAMP WITH A HEAT DISSIPATION DEVICE - An LED lamp includes a heat sink ( | 02-12-2009 |
20090046464 | LED LAMP WITH A HEAT SINK - An LED lamp includes a heat sink ( | 02-19-2009 |
20090103294 | LED LAMP WITH A HEAT SINK - An LED lamp includes a first heat sink, a lamp base, a plurality of LED modules, an envelope and a second heat sink. The first heat sink includes a cylinder at a centre thereof and a plurality of fins surrounding the cylinder. The lamp base is secured to a bottom portion of the first heat sink. The LED modules are mounted on the fins of the first heat sink. Each of the LED modules includes a printed circuit board and a plurality of LEDs mounted on the printed circuit board. The envelope is mounted between the lamp base and the second heat sink and encloses the first heat sink and the LED modules therein. The second heat sink has a disc-like configuration, with a bottom connecting portion extending through the envelope to connect with a top portion of the first heat sink. | 04-23-2009 |
20090116233 | LED LAMP - An LED lamp includes a lamp base ( | 05-07-2009 |
20090129102 | LED LAMP WITH A HEAT SINK - An LED lamp includes a heat sink and an LED module. The heat sink includes a body, a plurality of radial partition fins extending evenly from an outer periphery of the body and a curved wall surrounding lower portions of the fins. The fins, the outer periphery of the body and the wall together define a plurality of channels each having a lower opening and a top opening. The LED module includes a plurality of LEDs and is received in the absorbing portion of the body. The LED module is supported by the absorbing portion of the body of the heat sink. Heat generated by the LEDs is transferred to the fins via the body. From the fins, the heat is dissipated to air. The channels each function as a chimney for accelerating heated air to flow upwardly through the fins. | 05-21-2009 |
20090154171 | LAMP ASSEMBLY HAVING A JUNCTION BOX - A lamp assembly includes a lamp and a junction box. The lamp defines a front chamber and a rear chamber. A plurality of LED modules is received in the rear chamber. A receiving member is located at a top of the front chamber. The junction box is mounted on an outside of the receiving member. A junction base is received in the junction box. A mounting tube extends through the junction box and the receiving member of the lamp to mount the junction box on the lamp. A connecting tube is mounted on the junction box. Wires of the LED modules extend through the mounting tube and connecting with the junction base. The connecting tube is adapted to receive wires extending from an outside power sources to the junction base. | 06-18-2009 |
20090154172 | LED ASSEMBLY WITH HEAT DISSIPATION STRUCTURE - An LED assembly includes a heat sink and a plurality of LED modules attached to the heat sink. The heat sink includes a heat conducting body and a plurality of fins extending from the heat conducting body. The heat conducting body has a middle flat portion and two sloped portions at two sides of the middle fat portion. Each sloped portion has a plurality of steps descending from the middle portion. The LED modules are thermally attached to the heat conducting body. Some of the LED modules are mounted on the middle flat portion and others are mounted on the steps of the sloped portions of the heat conducting body of the heat sink. The fins have distal ends cooperatively define a flat plane for the heat sink. | 06-18-2009 |
20090168418 | LED LAMP - An LED lamp includes a bracket, a heat sink assembly mounted on a top side of the bracket and a plurality of LED modules mounted on a bottom surface of the heat sink assembly. The heat sink assembly has a pair of bottom surfaces. The bottom surfaces form an alary configuration and the LED modules are mounted on the bottom surfaces. | 07-02-2009 |
20090196037 | FLOOD LAMP ASSEMBLY HAVING A REINFORCED BRACKET FOR SUPPORTING A WEIGHT THEREOF - An LED flood lamp includes an LED lamp and a primary bracket and an accessorial bracket. The lamp includes a pair of lateral sidewalls. The primary bracket pivotally connects with the lateral sidewalls. The accessorial bracket has one end pivotally connecting with one lateral sidewall, and another end connected to the primary bracket via a fastener. Each of the primary and accessorial brackets defines an elongated slot. The fastener is slidable along the slots of the primary and accessorial brackets to vary an illumination angle of the lamp. The LED lamp has a substrate, a plurality of LED modules mounted on a top surface of the substrate and a heat sink mounted on a bottom surface of the substrate, whereby heat generated by the LED modules can be transferred to the heat sink via the substrate to be dissipated to ambient air. | 08-06-2009 |
20090237927 | LED LAMP ASSEMBLY - An LED lamp assembly includes a central member and a plurality of lamps each having an LED module and a heat sink in thermal connection with the LED module. The central member has a plurality of inserting extrusions formed at a circumference thereof. The lamps each have a receiving tube projecting from an end thereof. The inserting extrusions are respectively inserted into the receiving tubes of the lamps to assemble the lamps onto the circumference of the central member. The lamps are tilted from the central portion along a radially outward direction. | 09-24-2009 |
20090237931 | LED LAMP ASSEMBLY - An LED lamp assembly includes a receiving member and a pair of LED lamps. The receiving member has a pair of opposite slope surfaces. The LED lamps are mounted on the opposite slope surfaces of the receiving member. Each of the LED lamps includes a heat sink having a bottom defining a plurality of differently-angled planar surfaces. A plurality of LED modules is mounted on the planar surfaces of the heat sink, respectively. | 09-24-2009 |
20090257226 | LED LAMP HAVING A SEALED STRUCTURE - An LED lamp includes a lamp holder, a heat sink, a plurality of LED modules, a cover, an envelope and a sealing cushion. The lamp holder has a connecting portion at a bottom thereof adapted for engaging with a lamp socket to fix the LED lamp in position. The heat sink is disposed on the lamp holder. The LED modules are attached to a circumference of the heat sink. The cover is coupled to a top of the heat sink. The envelope encloses the heat sink and the LED modules therein and has a lower end engaging with the lamp holder and an upper end engaging with the cover. The sealing cushion is provided between at least one of the combinations of the lamp holder and the envelope, and of the cover and the envelope to prevent an entry of foreign matter. | 10-15-2009 |
20110221485 | Time synchronization method and apparatus - The present invention discloses a time synchronization method and apparatus. The method comprises: each net element node locks a clock synchronization signal of its upper-level net element node through a physical channel, and a clock synchronization network is established; and each net element node performs time counting by using the locked clock synchronization signal and performs time compensation according to the time counting through a time synchronization protocol to realize time synchronization. Through the present invention, each net element node performs the time counting by using the locked clock signal, and performs the time compensation according to the time counting to realize the time synchronization, thus the problem that the accumulative effect of phase transfer results in very obvious phase delay in the related technologies is solved, so as to reduce the phase delay and realize high precision, high interference resistance and reliability. | 09-15-2011 |