With Cooling Or Ventilating Feature Patents (Class 362/547)
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Patent number: 8354780Abstract: A lamp device includes: a housing formed with heat-dissipating holes; a conductive connecting head mounted on a first side of the housing; a heat-conducting member mounted on a second side of the housing opposite to the first side, and having opposite first and second side surfaces; a lighting unit thermally contacting and mounted on the first side surface of the heat-conducting member, and covered by a transparent body; and a heat-dissipating layer made of an infrared radiating material. The heat-dissipating layer is disposed on and is in thermal contact with the second side surface of the heat-conducting member. Heat generated by the lighting unit is transmitted by the first heat-conducting member to the heat-dissipating layer, and is dissipated by the heat-dissipating layer through the heat-dissipating holes in the housing.Type: GrantFiled: February 7, 2011Date of Patent: January 15, 2013Inventor: Chin-Kuang Luo
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Patent number: 8342728Abstract: An arrangement for cooling semiconductor light sources (5), wherein the semiconductor light sources (5) are arranged on a heat-conducting module (11), which is operatively connected to an evaporator zone (27) of a heat pipe (20), wherein a first condensation zone (23) of the heat pipe (20) is connected to a first heat sink (33), wherein the heat pipe (20) is connected to at least one second condensation zone (25) with at least one second heat sink (25), and a heat flow can be switched over between the condensation zones (23, 25) or the second condensation zone (25) can be switched in.Type: GrantFiled: January 14, 2008Date of Patent: January 1, 2013Assignee: OSRAM GmbHInventors: Alois Biebl, Stefan Dietz
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Patent number: 8337063Abstract: A vehicle light including at least one LED light source unit disposed within a light chamber defined by a lens cover and a housing. The vehicle light can further include, within the light chamber: a heat sink and a plurality of heat dissipation fins; a back plate separated away from the heat sink main body and constituting a part of a duct together with the heat sink, the duct containing the plurality of heat dissipation fins between the heat sink main body and the back plate; an axial fan motor configured to generate an air flow passing through the duct; and a cover member, the housing having an opening used for replacing the axial fan motor with another one, the cover member being detatchably attached to the housing so as to cover the opening of the housing.Type: GrantFiled: August 20, 2010Date of Patent: December 25, 2012Assignee: Stanley Electric Co., Ltd.Inventors: Satoshi Nagasawa, Takashi Matsuno, Chikako Yamahana
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Patent number: 8330377Abstract: An illumination system has a lighting module, a microcontroller electrically connected to the lighting module and arranged to control the lighting module, and a transistor electrically connected to the lighting module and the microcontroller arranged to allow the microcontroller to monitor a voltage of one of either the transistor or lighting module. A method of controlling a lighting module including powering on the lighting module, providing a current to the lighting module, wherein the current is determined by a global intensity setting for the lighting module, monitoring a voltage provided to the lighting module, and shutting the lighting module down if the voltage reaches a pre-determined level.Type: GrantFiled: December 10, 2009Date of Patent: December 11, 2012Assignee: Phoseon Technology, Inc.Inventor: Jonathan L. Marson
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Patent number: 8322892Abstract: A heat sink is provided. The heat sink may include an open cavity formed by a cavity wall, a cavity bottom wall thereof including a light source region adapted to have a light source mounted thereon and a lateral cavity wall thereof including a reflection region adapted to reflect light emitted from the light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink including a bottom region and a lateral region, the heat spreading and dissipation structure including a plurality of vertically aligned fins; an air guidance structure adapted to separate the heat sink from an air flow generator; and at least one mounting column for attaching the heat sink to a lighting device.Type: GrantFiled: December 7, 2007Date of Patent: December 4, 2012Assignee: Osram AGInventors: Alessandro Scordino, Nicole Breidenassel, Giovanni Scilla
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Patent number: 8324790Abstract: A high illumination LED bulb includes a transparent lamp holder and a transparent reflective envelope having an inner face coated with a reflective membrane having light transmittance characteristic. A chamber is defined between the transparent lamp holder and the transparent reflective envelope and receives an actuator, a radiator and a light emitting module electrically connected to the actuator. The light emitting module includes a substrate disposed on the radiator and at least one LED disposed on the substrate. Light radiated from the LED is transmitted to produce superior projection beam by the transparent reflective envelope and reflected to produce inferior projection beam by the reflective membrane. Reflected halo formed by projection of the superior projection beam and the inferior projection beam on the transparent lamp holder and the transparent reflective envelope can form side projected halo, thereby radiating light with a full emission angle.Type: GrantFiled: June 7, 2011Date of Patent: December 4, 2012Inventor: Wen-Sung Hu
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Patent number: 8319408Abstract: A lamp includes a housing, a cooling module and a light emitting diode. The housing has an assembling opening and an electrical connection member on two ends of the housing, wherein an inner surface of the housing defines a receiving room, and a part of the inner surface of the housing adjacent to the assembling opening is an air-guiding wall. The cooling module is disposed at the assembling opening of the housing to form at least one air channel between the cooling module and the air-guiding wall, wherein the cooling module has an air-guiding passage communicating with the receiving room of the housing. The light emitting diode is coupled with the cooling module. Therefore, there is no air inlet or outlet formed on the housing of the LED lamp, so as to provide a simplified structure and to maintain the exterior integrity of the LED lamp.Type: GrantFiled: June 10, 2011Date of Patent: November 27, 2012Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventor: Alex Horng
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Patent number: 8317380Abstract: A heat-dissipating apparatus for a vehicle lamp includes: a light source unit comprising at least one LED; a housing which houses the light source unit therein and is formed with an opening in a rear portion thereof; a dust cover coupled to the housing at or near the position of the opening; and a cooling fan coupled to the dust cover for dissipating heat generated by the light source unit.Type: GrantFiled: December 18, 2008Date of Patent: November 27, 2012Assignee: SL LightingInventors: Jin-Hwan Cho, Hak-Bong Kim
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Patent number: 8317372Abstract: An LED bulb includes: a circuit board having opposite first and second surfaces; a plurality of LEDs disposed on the first surface; and a heat dissipating structure having a heat dissipating board, wherein the heat dissipating board has opposite third and fourth surfaces, the third surface is attached to the second surface of the circuit board, and a plurality of heat dissipating bumps is disposed on the fourth surface and gradually decreases in length from the center toward the periphery of the fourth surface to thereby facilitate air convection around the heat dissipating bumps, thus improving the overall heat dissipating efficiency so as to increase the light emitting efficiency and lifetime of the LED bulb.Type: GrantFiled: January 20, 2011Date of Patent: November 27, 2012Assignee: LEDWiser, Inc.Inventors: Heng-Yang Fu, Paul Juan
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Patent number: 8313220Abstract: A light emitting diode (LED) lighting fixture includes a lamp housing including a heat conductive cover, and a light transmissive shield connected detachably to a periphery of the heat conductive cover to define a compartment therebetween. A base seat is disposed in the compartment. An LED lamp device is mounted on the base seat. A heat conductive unit is disposed in the compartment and includes at least one heat conductive pipe and a heat conductive medium flowing within the heat conductive pipe due to a change between a liquid state and a gaseous state thereof. The heat conductive pipe includes a heat exchange portion that absorbs heat generated by the LED lamp device, and a heat-dissipating portion that conducts heat absorbed by the heat exchange portion to the heat conductive cover.Type: GrantFiled: August 6, 2009Date of Patent: November 20, 2012Assignee: Taiwan Jeson Intermetallic Co., Ltd.Inventor: Ko-Ning Chang
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Patent number: 8304971Abstract: A light emitting diode (LED) light bulb includes a light shade, a heat conduction base, a plurality of heat sink fins, a heat conduction member and a plurality of LED light emitting elements. The heat conduction base has a circumferential portion connected with the plurality of heat sink fins and a central hole to accommodate the heat conduction member. The heat conduction member has an exposed end formed with a plurality of inclined planes and a top plane by stamping. Each of the inclined planes and the top plane are coupled with at least one of the LED light emitting elements, respectively. With the inclined planes and the top plane, the LED light emitting elements project light in different directions. The heat from the LED light emitting elements is transmitted to the plurality of heat sink fins through the heat conduction member to dissipate the heat quickly.Type: GrantFiled: January 8, 2011Date of Patent: November 6, 2012Inventor: Tsung-Hsien Huang
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Patent number: 8297792Abstract: An LED lamp with adjustable projection angle is installed to a lamp pole and includes a fixture, a pivot element, a pressing element, a heat dissipating lamp holder and an LED module. The fixture includes a transverse pipe and a cut groove formed at the transverse pipe. The pivot element is passed through the transverse pipe and pivotally coupled to the fixture. The pressing element is installed to the transverse pipe and provided for reducing the cut groove to press and clamp the pivot element. The heat dissipating lamp holder is mounted to the pivot element. The LED module is installed at the heat dissipating lamp holder, and the transverse pipe is used for adjusting the angle of elevation of the heat dissipating lamp holder and the LED module. Therefore, the road lamp can be adjusted to a required projection range to enhance the use efficiency of the road lamp.Type: GrantFiled: May 12, 2011Date of Patent: October 30, 2012Assignee: Leader Trend Technology Corp.Inventor: Chin-Wen Wang
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Patent number: 8297805Abstract: A lighting and/or signaling device comprising at least one optical module equipped with a cooling unit, comprising at least one heat conductor, one end of which is placed spaced from the cooling unit, and is provided with a plurality of deflectors which channel a flow of cold air towards a heat-exchange surface of the cooling unit.Type: GrantFiled: December 17, 2009Date of Patent: October 30, 2012Assignee: Valeo VisionInventors: Christine Roucoules, Eric Mornet
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Patent number: 8292482Abstract: A mounting collar on a light fixture provides a compressive force between the illumination module and a light fixture. For example, a mounting collar that is fixed to the light fixture may engage with an illumination module to deform elastic mounting members on the illumination module to generate the compressive force. The mounting collar may include tapered features on first and second members that are moveable with respect to each other and that when engaged generate the compressive force. The mounting collar may include elastic mounting members on first and second members that move with respect to each other, wherein the movement deforms the elastic mounting members to generate the compressive force. The mounting collar may include an elastic member, wherein movement movement of the mounting collar relative to a light fixture deforms the elastic member to generate the compressive force.Type: GrantFiled: July 13, 2011Date of Patent: October 23, 2012Assignee: Xicato, Inc.Inventors: Gerard Harbers, Gregory W. Eng, Christopher R. Reed, Peter K. Tseng, John S. Yriberri
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Patent number: 8292479Abstract: A vehicular infrared irradiation lamp includes an infrared light-emitting element for projecting infrared light; a visible light-emitting element that emits visible light; and a transparent member provided at least partially adjacent to a light-emitting portion of the infrared light-emitting element. The transparent member radiates visible light received from the visible light-emitting element in a radiation direction of infrared light.Type: GrantFiled: September 8, 2009Date of Patent: October 23, 2012Assignee: Koito Manufacturing Co., Ltd.Inventors: Kiyoshi Sazuka, Osamu Masuda, Hiroya Koizumi, Takatomo Fujiyoshi
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Patent number: 8294339Abstract: The present invention relates to a LED lamp and a heat sink thereof having a wound heat pipe. The LED lamp includes the heat sink, a LED module and a lamp base electrically connected to the LED module. The heat sink includes a heat-conducting base, a heat-dissipating fin set and a wound heat pipe. The heat-dissipating fin set includes a plurality of heat-dissipating fins arranged at the outer periphery of the heat-conducting base. The heat-dissipating fins form an accommodating space. The wound heat pipe includes an evaporating section brought into thermal contact with the heat-conducting base and a condensing section brought into thermal contact with the heat-dissipating fins. The LED module abuts against the heat-conducting base and the evaporating section. By this structure, the heat-conducting path is shortened, the heat-conducting speed is accelerated, and the heat is rapidly and uniformly distributed to the heat-dissipating fins to improve the heat-dissipating efficiency.Type: GrantFiled: June 22, 2010Date of Patent: October 23, 2012Assignees: CPumate Inc., Golden Sun News Techniques Co., Ltd.Inventors: Kuo-Len Lin, Chen-Hsiang Lin, Chih-Hung Cheng
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Patent number: 8277099Abstract: A vehicle lighting system according to the present invention is provided, and includes: a pivot portion for optical axis adjustment; an optical axis adjustment mechanism mounting portion for vertical direction; and an optical axis adjustment mounting portion for horizontal direction, which are integrally provided at a heat sink member having a semiconductor-type light source mounted thereon. As a result, the vehicle lighting system becomes capable of efficiently radiating a heat generated in the semiconductor-type light source by means of the pivot portion for optical axis adjustment and the optical axis adjustment mechanism mounting portions for vertical and horizontal directions, which are integrally provided at the heat sink member.Type: GrantFiled: January 19, 2010Date of Patent: October 2, 2012Assignee: Ichikoh Industries, Ltd.Inventor: Yoshihiko Hamashima
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Patent number: 8277093Abstract: A connector includes: one terminal having a part-connecting portion to be connected to an anode of an LED; and the other terminal having the part-connecting portion to be connected to a cathode of the LED; and a housing in which the terminals are embedded. The connector is made by insert-molding. The terminals are arranged in a cavity formed between upper and lower dies so that the part-connecting portions are arranged in the same plane with a gap. An outer shape of the cavity corresponds to an outer shape of the connector. After a projection formed on the upper die is interposed between the part-connecting portions, the cavity is filled with melted synthetic resin to mold the housing.Type: GrantFiled: March 3, 2010Date of Patent: October 2, 2012Assignee: Yazaki CorporationInventor: Shinji Mochizuki
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Patent number: 8277101Abstract: An LED headlight cooling system includes a vehicle air conditioner, a thermal conducting device and an LED headlight. The vehicle air conditioner has a cooling device. The thermal conducting device is thermally connected to the cooling device of the vehicle air conditioner. The LED headlight is thermally connected to the thermal conducting device.Type: GrantFiled: April 21, 2010Date of Patent: October 2, 2012Inventors: Chih-Chiu Shen, Kai-Ming Yang, Kai-Jen Yang, Su-Hon Lin
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Patent number: 8277100Abstract: A vehicle lighting device includes: a heat sink member; a semiconductor-type light source directly placed on a top face of the heat sink member; a power-feeding holder which is set on the semiconductor-type light source and the heat sink member, for holding the semiconductor-type light source at the side of the heat sink member and feeding a power current to the semiconductor-type light source; and a fixing member which is covered on the power-feeding holder and fixed to the heat sink member, for fixing the power-feeding holder to the heat sink member and sandwiching and fixing the semiconductor-type light source between the power-feeding holder and the heat sink member. As a result, this vehicle light device improves workability of assembling components.Type: GrantFiled: September 10, 2009Date of Patent: October 2, 2012Assignee: Ichikoh Industries, Ltd.Inventor: Hiroto Tokunaga
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Patent number: 8256927Abstract: An illumination device includes a lamp housing component, a main bone disposed inside the lamp housing component, and at least one light emitting component. The light emitting component has a heat sink member and a light emitting member. The heat sink member is locked on the main bone, and the light emitting member is disposed on the lamp housing component and contacts the heat sink member. According to the demand for luminance, the number of light emitting components is optionally increased or decreased on the main bone, or the main bone inside the lamp housing component is replaced by an extended main bone, so as to increase the number of light emitting components.Type: GrantFiled: September 14, 2009Date of Patent: September 4, 2012Assignee: Leotek Electronics CorporationInventors: Sheng-Hsiung Hu, Yu-Yuan Yeh, Ming-Chun Wu, Ching-Po Lee
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Patent number: 8258681Abstract: A heat dissipating device for lightings includes a light source module, a heat sink, and a converter. The heat sink has a substrate and a plurality of heat dissipating fins extending outward from the substrate. A plurality of channels is formed between the heat dissipating fins. Insides of the channels respectively have a port open to the center of the heat sink. Thereby, the channels of the heat sink can effectively direct the airflow into the center of the heat sink, enhancing the heat dissipating effect of the heat sink.Type: GrantFiled: July 9, 2010Date of Patent: September 4, 2012Assignee: Elements Performance Materials LimitedInventors: Tsung-Lung Lee, Kuo-Sung Huang, Cheng-Tao Lee
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Patent number: 8256944Abstract: There is provided a vehicle lamp. The vehicle lamp includes a lamp body including a hole portion therein; an outer lens, attached to the lamp body to form a lamp chamber; a lamp unit provided in the lamp chamber and including a light emitting element serving as a light source; a heat sink; and a fan. The heat sink includes a base portion fitted into the hole portion of the lamp body; outer fins disposed on a surface of the base portion and extending outside of the lamp body; and inner fins disposed on another surface of the base portion and extending into the lamp chamber. The fan moves air in the lamp chamber toward the inner fins, which are configured such that the air passing between the respective inner fins is guided toward the outer lens.Type: GrantFiled: June 4, 2009Date of Patent: September 4, 2012Assignee: Koito Manufacturing Co., Ltd.Inventor: Yuji Yasuda
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Patent number: 8242669Abstract: A LED light device includes a light-emitting diode assembly including a light body and one or more LEDs supporting thereat, and a heat dissipating arrangement including a plurality of heat dissipating fins radially and outwardly extended from the light body to define a heat dissipating channel between every two of the heat dissipating fins, and an air guiding member coupled at the front side of the light body. Each of the heat dissipating channels has a front opening extended at the front side of the light body and an elongated side opening for dissipating heat generated from the LED assembly. An air guiding member has a plurality of guiding inlets aligning with the front openings of the heat dissipating channels respectively for guiding air flowing to the heat dissipating channels so as to effectively dissipating the heat from the LED assembly through the heat dissipating fins.Type: GrantFiled: April 22, 2010Date of Patent: August 14, 2012Assignee: Ningbo Futai Electric Co., Ltd.Inventor: Fu jun Qiu
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Patent number: 8231254Abstract: A lighting unit for vehicle headlights comprising a light-emitting diode device (500), and a housing (200), in the interior of which are arranged components of an operating circuit for operating the light-emitting diode device (500), wherein the housing (200) is composed of electrically insulating material, electrical connections (222) for the voltage supply of the lighting unit are embedded in the housing (200), and the housing (200) has adjustment means (213a, 213b, 213c) for orienting the lighting unit in a vehicle headlight; wherein the light-emitting diode device (500) is arranged on a surface (112) of a heat sink (100) composed of thermally conductive material; and wherein the heat sink (100) forms a bearing surface (120a) for an external cooling system, said bearing surface being arranged at an outer side of the housing.Type: GrantFiled: June 16, 2009Date of Patent: July 31, 2012Assignee: Osram AGInventors: Jürgen Beck, Siegfried Foerstner, Peter Frey, Christian Meier
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Patent number: 8201976Abstract: A heat-dissipating apparatus for a vehicle lamp includes: a heat-dissipating apparatus including: an LED-mounting block having an LED mounted thereon; a thermally conductive material disposed adjacent to the LED-mounting block for transmitting heat generated by the LED; and a heat sink disposed adjacent to the thermally conductive material for dissipating the heat transmitted by the thermally conductive material, wherein at least one concave portion is formed in one side of the LED-mounting block which is adjacent to the thermally conductive material, one side of the heat sink which is adjacent to the thermally conductive material, or both. The thermally conductive material is inserted in the concave portion or portions.Type: GrantFiled: December 18, 2008Date of Patent: June 19, 2012Assignee: SL SeobongInventors: Jin-Hwan Cho, Hak-Bong Kim
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Patent number: 8203274Abstract: The LED headlamps for vehicles provide a modular efficient light source for vehicle headlamps. The invention addresses the LED negative temperature coefficient in efficient heat removal system. Beam direction and pattern is controlled by its composite lens beam shaping mechanism. The beam targeting using the LED source is done through beam shaping via lens surface shaping, lens curvature contouring and composite lens component offsetting from the LED source or outgoing beam axis to direct the light beam.Type: GrantFiled: August 13, 2010Date of Patent: June 19, 2012Inventor: Erwin L. De Castro
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Patent number: 8188685Abstract: A light-generating system including a LED load array having a number of light-emitting diodes, and a heat sink on which the LED load array is mounted. The system also includes a power control unit electrically connected to the power source and the LED load array, for converting input electrical power to output electrical power and controlling voltage and current of the output electrical power provided to the LED load array, and a temperature detector subassembly adapted for sensing a heat sink temperature of the heat sink. The temperature detector subassembly monitors the heat sink temperature and transmits a control signal to the power control unit upon determining that the heat sink temperature differs from a preselected temperature by more than a preselected minimum difference. Upon receipt of the control signal, the power control unit changes the voltage of the output electrical power accordingly.Type: GrantFiled: June 10, 2010Date of Patent: May 29, 2012Inventor: John F. Johnston
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Patent number: 8167460Abstract: A lamp includes a housing unit and a light source mounted on the housing unit. The housing unit includes a housing and a plurality of heat radiating fins. The light source includes a support base having a first side provided with a plurality of light emitting members, a heat radiating assembly having a first end mounted on a second side of the support base and a heat conducting plate mounted on a second end of the heat radiating assembly.Type: GrantFiled: October 13, 2009Date of Patent: May 1, 2012Inventor: Yu-Lin Chu
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Publication number: 20120092883Abstract: A body panel for a vehicle includes an outer lens and a light engine projecting a light into the outer lens. The body panel includes a duct, which is disposed at a substantially equal vertical elevation as the outer lens. The light engine is positioned relative to the outer lens to allow the duct to pass directly behind the outer lens, at approximately the same vertical elevation, to improve air flow through the duct.Type: ApplicationFiled: October 14, 2010Publication date: April 19, 2012Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: Scott P. Charnesky, Jason W. Guenzel, Mark R. Gordon
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Publication number: 20120092885Abstract: A head lamp assembly including a housing; a plurality of head lamp cases installed in the housing, wherein each head lamp case comprises a light emitting diode (LED) light source, and a heat sink for dissipating heat generated from the LED light source; and a plurality of ventilating fans for circulating air in the plurality of head lamp cases and installed in the plurality of head lamp cases, respectively. Accordingly, the ventilating fans installed in the head lamp cases have opposite ventilating directions, and thus air is circulated in the head lamp cases by the ventilating fans to thus improve heat dissipation effects.Type: ApplicationFiled: September 8, 2011Publication date: April 19, 2012Inventors: Jong-pa HONG, Hyoung-cheol CHO, Hee-seok PARK, Joong-kon SON
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Patent number: 8159152Abstract: A high-power light-emitting diode (LED) lamp has a plurality of units. Each unit includes an LED die and a thermo-electric cooling device coupled to the LED die. A power source supplies a fixed current to the thermo-electric cooling device wherein the fixed current is based on heat generated by the LED die in normal operation. Accordingly, the unit operates without a controller.Type: GrantFiled: May 19, 2009Date of Patent: April 17, 2012Inventor: Nader Salessi
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Patent number: 8147108Abstract: A modular light bar having crisscross lighting in the front and rear. Each module may include two horizontal layers of lighting supported on supports connected to a longitudinal base. A wire harness is positioned within a longitudinal channel in the longitudinal base, with the harness having one end connected to quick disconnects within the modules and having another end connected to a controller. Each of the light bar module is serviceable independent of the other light bar modules, such that the support positioned within and connected to the light bar module being serviced is removable from the light bar module without accessing the other light bar modules by disconnecting the quick disconnect positioned within each light bar module being serviced.Type: GrantFiled: September 2, 2010Date of Patent: April 3, 2012Assignee: Code 3, Inc.Inventors: Paul L. Stein, Robert E. Kreutzer
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Patent number: 8147109Abstract: A heat dissipation device of a vehicle lamp and an interposing element thereof are provided. The heat dissipation device is installed in a lamp room which is divided by the interposing element into a front partition and a rear partition. A heat sink is installed in the interposing elements. An air feeding fan is disposed in an air feeding channel of the interposing element, for drawing air in the front partition to the rear partition through the air feeding channel. Further, a back flow fan is disposed in the rear partition, for drawing air in the rear partition to the front partition through a back flow channel. Whereby, the air in the front partition is cooled down through an external air flow passing through the lamp cover. Then, the heat sink dissipates heat of the air flow with the relatively low temperature in the front partition to the rear partition.Type: GrantFiled: November 23, 2009Date of Patent: April 3, 2012Assignee: Man Zai Industrial Co., Ltd.Inventors: Cheng-Feng Wan, Hao-Hui Lin, Su-Chen Hu, Chen-Jung Chen, Hui-Fen Huang
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Publication number: 20120075880Abstract: The conventional light source unit has problems of an increasing size and radiation. According to the present invention, a direction “D” for mounting the connector 14 at a power source side to a connector portion 13 is perpendicular or substantially perpendicular with respect to a direction O-O for mounting a light source unit 1 to the vehicle light unit 100. As a result, the present invention can decrease a depth space of the light source unit and efficiently radiated heat generated by the light emitting chips 40 to 44, resistances RS, RT, RP, diodes DS, DT, and conductors 51 to 57 from a heat radiation member 8 to an outside.Type: ApplicationFiled: September 26, 2011Publication date: March 29, 2012Inventors: Masateru HAYASHI, Katsuaki Nakano
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Patent number: 8132947Abstract: A vehicle head light device includes an inner housing attached to front of an outer housing and having an upper casing and a lower casing located within the outer housing, and the casings each include a reflective member, two circuit boards are attached to the casings and each include one or more light members directed toward the reflective members for generating lights toward the reflective members which reflect the lights to form a high beam and a low beam respectively, a control device is disposed in the outer housing and electrically coupled to the circuit boards for controlling the light member to generate the lights toward the reflective members of the casings respectively.Type: GrantFiled: August 27, 2009Date of Patent: March 13, 2012Inventor: Jen Shieh Shih
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Publication number: 20120057365Abstract: The vehicle head light is provided with a heat radiating member including a pillar member provided to extend from a bottom wall of a housing, on which a light source is mounted, a heat radiating fins fixed radially to the outer periphery of the pillar member, and a guide wall provided surrounding sides of the heat radiating fins. The guide wall is sloped with respect to bottom wall of the housing so that spaces each formed by adjacent two of the heat radiating fins and the guide wall become narrower with increasing distance from the lower end of the guide wall. The guide wall is formed with slits to make air communication between the light chamber and each of the spaces, the slits being shaped to be narrower with increasing distance from the lower end of the guide wall.Type: ApplicationFiled: September 7, 2011Publication date: March 8, 2012Applicants: DENSO CORPORATION, Nippon Soken, Inc.Inventors: Motonori Tominaga, Takahito Nishii
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Patent number: 8128263Abstract: A light source unit is provided with a substrate and segments of a reflector. The substrate has a plurality of light-emitting devices mounted on its central and peripheral portions. The segments correspond to the light-emitting devices, individually. The segment corresponding to the light-emitting devices mounted on the central portion are higher in thermal radiation capacity than the segment corresponding to the light-emitting devices mounted on the peripheral portion.Type: GrantFiled: September 15, 2009Date of Patent: March 6, 2012Assignee: Toshiba Lighting & Technology CorporationInventors: Kazunari Higuchi, Sumio Hashimoto, Takayoshi Moriyama, Shinichi Kumashiro
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Patent number: 8128247Abstract: The invention relates to an illumination device for flashlight photography comprising at least one reflector chamber which, in use, can be arranged in the direction of an object being photographed, having at least one reflector and at least one flash element arranged in the reflector chamber as first light source, as well as at least one UV filter element which, in use, covers the reflector chamber on a radially extending outer face in the direction of the object being photographed, the filter element having at least one ventilation opening. By means of the arrangement, an illumination device suitable for all fields of application is to be provided, a particular objective being to generate flash series of any desired length and at the same time to provide optimum UV protection on the illumination device. Uses of such an illumination device are also defined.Type: GrantFiled: July 17, 2008Date of Patent: March 6, 2012Assignee: Bron Elektronik AGInventors: Francois Portmann, Marcel Griessman
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Patent number: 8128235Abstract: An illuminating device adapted to a projecting apparatus including a lamp module, a power module, and a fan is provided. The lamp module is separately disposed in the projecting apparatus. The lamp module has a lamp, an igniting module and a plate. The igniting module is capable of generating a high voltage signal to drive the lamp. The plate is disposed between the lamp and the igniting module for shielding radiating heat generated by the lamp. The power module is capable of generating a low voltage signal transmitted to the igniting module through a low voltage power line. The igniting module transforms the low voltage signal into the high voltage signal to drive the lamp. The fan is disposed at a first side of the lamp for cooling the lamp.Type: GrantFiled: June 5, 2009Date of Patent: March 6, 2012Assignee: Coretronic CorporationInventors: Shen-Huei Wang, Wei-Cheng Lo, Shang-Hsuang Wu
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Patent number: 8123389Abstract: A lighting system is described. The lighting system includes a lamp and a first container including a first phase change material thermally connected to the lamp. Heat generated by the lamp during operation is conducted to the first phase change material. The system also includes a second container including a second phase change material thermally connected to the lamp. Heat generated by the lamp during operation is also conducted to the second phase change material, and the second phase change material has a transition point temperature lower than the transition point temperature of the first phase change material of the first container to account for a temperature drop between the second container and the first container. The lighting system also includes a temperature sensor for reducing lamp power if the lamp becomes too hot, and a mounting bracket which may also conduct heat away from the lamp.Type: GrantFiled: April 9, 2010Date of Patent: February 28, 2012Assignee: Lumenetix, Inc.Inventors: Robert Hitchcock, James Kingman, Matthew Weaver, Dustin Cochran, Sanjoy Ghose
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Patent number: 8118462Abstract: An automotive lamp includes an LED as a light source, a heatsink for radiating heat produced by the LED, the heatsink including a plurality of plate fins installed upright on base parts and a plurality of ventilation passages formed between the plate fins, a centrifugal fan for performing the forced air cooling of the plate fins by sending air through the ventilation passages of the heatsink, the centrifugal fan having air inlets in an axial direction for drawing air in, a left-side air outlet and a right-side air outlet for discharging air in left-right directions perpendicular to the axial direction, and a lamp housing for housing the LED, heatsink and centrifugal fan. The plate fins of the heatsink are formed such that the entrance of at least one of a plurality of ventilation passages faces the left-side air outlet and the right-side outlet of the centrifugal fan.Type: GrantFiled: June 23, 2009Date of Patent: February 21, 2012Assignee: Koito Manufacturing Co., Ltd.Inventors: Takashi Inoue, Yuji Yasuda
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Patent number: 8109654Abstract: An LED lamp includes a heat sink including a supporting plate, a light-reflecting member mounted on a bottom face of the supporting plate, and a plurality of LEDs disposed on the bottom face of the supporting plate. The light-reflecting member defines a plurality of concave portions recessed inwardly from an outer face thereof. The LEDs include a plurality of first LEDs arranged within the light-reflecting member and a plurality of second LEDs arranged outside the light-reflecting member. The second LEDs are located corresponding to the concave portions, respectively, whereby light generated by the second LEDs can be reflected by the light-reflecting member to illuminate a large area.Type: GrantFiled: October 16, 2009Date of Patent: February 7, 2012Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventor: Ci-Jin Mo
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Patent number: 8100569Abstract: A vehicle headlight can include an LED optical unit with a high cooling efficiency. The LED optical unit can include a projector lens, a lens holder including a frame that has a tapered portion, and an LED light source mounted on a base member. The base member can be located in the tapered portion of the frame to define an air flow space between the frame and the base member. The projector lens can be attached to the lens holder so as to face the light source. Cool air can flow from the air flow space towards the light source, and heat generated from the light source can flow toward the upward air flow space. The LED light source can be efficiently radiated even when it is located close to the projector lens. Thus, the vehicle headlight can be used for various vehicles including a small size car.Type: GrantFiled: September 3, 2010Date of Patent: January 24, 2012Assignee: Stanley Electric Co., Ltd.Inventor: Ryotaro Owada
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Patent number: 8100570Abstract: A headlight for a vehicle has a lens, a mounting frame, an LED on an LED board. The LED board is mounted on a heat sink. The heat sink has a first adjustment slot and a second adjustment slot. Each of the slots is dimensioned and disposed to closely cooperate with an eccenter adjustment device mounted on one of the LED module or an LED module carrier, said eccenters being adjustable on a fulcrum such that adjustment of one of the eccenters adjusts one of a first position or a second position of the LED module within a plane normal to an optical axis of a lens mounted in a fixed position relative to the LED module carrier.Type: GrantFiled: June 1, 2009Date of Patent: January 24, 2012Assignee: Hella KGAA Hueck & Co.Inventors: Hubert Borgschulte, Heinz-Uwe Spork, Jörg Sudahl
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Patent number: 8092050Abstract: A fluid-convection heat dissipation device includes at least one heat dissipation module, at least two baffles, and a heat dissipation fluid. The heat dissipation module forms at least one internal receiving space and has an outside surface to which at least one light emission element is attached. The baffles are arranged in the receiving space to divide the receiving space into a plurality of convection channels that are in fluid communication with each other. The heat dissipation fluid is received in the receiving space as a convection medium displaceable in a circulating path along the plurality of convection channels.Type: GrantFiled: June 26, 2009Date of Patent: January 10, 2012Inventors: Tsung Chih Hou, Liang-Tsai Chen, Liang-Wen Chen
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Patent number: 8083374Abstract: An LED lamp includes a heat sink including a supporting plate, a plurality of LEDs mounted on the supporting plate and a plurality of protruding blocks extending upwardly from a top face of the supporting plate. The protruding blocks have inclined faces oriented upwardly and outwardly away from the top face of the supporting plate. The LEDs includes a plurality of first LEDs disposed on a bottom face of the supporting plate and a plurality of second LEDs disposed on the inclined faces of the protruding blocks, whereby at least a portion of light generated from the second LEDs projects towards a lateral side of the LED lamp.Type: GrantFiled: March 29, 2010Date of Patent: December 27, 2011Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Ci-Jin Mo, Chin-Chung Chen
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Publication number: 20110310631Abstract: The present invention provides improved LED headlamp cooling systems. The present invention allows for heat removal and recirculation of the excess heat into a forward lamp chamber of a head lamp before being exhausted out of the head lamp assembly.Type: ApplicationFiled: June 15, 2011Publication date: December 22, 2011Applicant: Bayer MaterialScience LLCInventor: Terry G. Davis
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Patent number: 8069875Abstract: A ventilation member and a ventilation member kit are provided that can extend the time until fogging will be produced in a housing and also can shorten the time until the produced fogging will be cleared up even when the interior of the housing has been fogged. A vented housing and a vented tank using them are also provided. A ventilation member includes: a first gas permeable membrane, a second gas permeable membrane, and an absorbing layer allowing a gas passing through an opening of a housing or a tank to permeate therethrough, with the ventilation member being fixed to the opening; a support body for supporting the first gas permeable membrane, the second gas permeable membrane, and the absorbing layer; and a first one-way valve disposed so as to cover the first gas permeable membrane. The first gas permeable membrane and the second gas permeable membrane are disposed in such a manner that the gas permeates through the gas permeable membranes independently of each other.Type: GrantFiled: June 2, 2006Date of Patent: December 6, 2011Assignee: Nitto Denko CorporationInventor: Hiroaki Mashiko
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Publication number: 20110280035Abstract: A lighting device for a headlamp light source includes an connector to be connected to cables for supplying power to the light source, and attached to the bottom of a headlamp case that houses a light source, wherein the output connector is formed such that when the lighting device is attached to the headlamp case, the bottom of a connection opening to which cables of the output connector are connected is disposed at a higher position than a bottom face inside the headlamp case.Type: ApplicationFiled: November 4, 2009Publication date: November 17, 2011Inventors: Fumihiro Minami, Takashi Ohsawa