Patent application number | Description | Published |
20140182287 | TURBO-CHARGER SYSTEM - A turbocharger system includes a compressor that is connected with a turbine operated by an exhaust gas by a rotary shaft and compresses and supplies external gas to a combustion chamber of an engine, an intercooler and a throttle valve disposed in an intake line connecting the compressor with the combustion chamber of the engine, a branch line connecting an intake line between the compressor and the intercooler with an intake line between the intercooler and the throttle valve, a shutoff valve disposed in the branch line to selectively open/close the branch line, and an engine control unit controlling the operation of the shutoff valve | 07-03-2014 |
20140186159 | BEARING UNIT OF TURBO-CHARGER - A bearing unit of a turbocharger may be disposed on an inner side of a space in a center housing and carry axial load of a rotary shaft connecting a turbine wheel, a compressor wheel, and an electric motor. The bearing unit may include a bearing body fastened to a side of the center housing and has a through-hole substantially at a center of the bearing body for fitting the rotary shaft fitted, and a coupling disposed on the through-hole and the rotary shaft, having a stepped portion in which the bearing body is inserted, and forming an oil chamber with the bearing body. | 07-03-2014 |
20150365029 | SENSORLESS CONTROL METHOD FOR MOTOR AND SYSTEM USING THE SAME - A sensorless control method for a motor performed by a sensorless controller including a back electromotive force (EMF) observer and a phase locked loop (PLL) controller, includes: estimating a back EMF of the motor using the back EMF observer; calculating an electrical angle error in accordance with iron loss of the motor based on the estimated back EMF; and compensating for the calculated electrical angle error, inputting the compensated electrical angle error into the PLL controller to estimate an actual angle, and controlling the motor based on the estimated actual angle. | 12-17-2015 |
Patent application number | Description | Published |
20100156186 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING DUAL CONVERTERS AND SINGLE INVERTER AND METHOD OF CONTROLLING THE SAME - There is provided a photovoltaic and fuel cell hybrid generation system using dual converters and a single inverter and a method of controlling the same. A photovoltaic and fuel cell (PV-FC) hybrid generation system according to an aspect of the invention may include: a PV DC/DC converter unit converting a PV output voltage into a predetermined voltage; an FC DC/DC converter unit converting an FC output voltage into a predetermined voltage; a DC link unit commonly connecting an output terminal of the PV DC/DC converter unit and an output terminal of the FC DC/DC converter unit, and linking the converted PV output voltage from the PV DC/DC converter unit to the converted FC output voltage from the FC DC/DC converter unit to thereby generate a DC voltage; and a DC/AC inverter unit converting the DC voltage from the DC link unit into a predetermined AC voltage. | 06-24-2010 |
20110242857 | MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF - Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage. | 10-06-2011 |
20110273112 | LIGHT EMITTING DRIVER - There is provided a light emitting driver. A light emitting driver according to an aspect of the invention may include: an LED driving section driving a light emitting part according to a detection value of the light emitting part including a plurality of light emitting devices; and a detection section transmitting the detection value to the LED driving section according to a detection voltage corresponding to a magnitude of a driving current flowing through the light emitting part when an output voltage, being applied to the light emitting part, has a value smaller than a predetermined output voltage reference value, and transmitting the detection value to the LED driving section according to a magnitude of the output voltage. | 11-10-2011 |
20110273130 | APPARATUS AND METHOD FOR CHARGING AND DISCHARGING PHOTOVOLTAIC PCS INTEGRATED BATTERY - There are provided an apparatus and method for charging and discharging a photovoltaic PCS integrated battery applied to a system that includes a first DC/DC converter | 11-10-2011 |
20110309684 | APPARATUS AND METHOD FOR THE ANTI-ISLANDING OF POWER CONDITIONING SYSTEM - There is provided an apparatus for the anti-islanding of a power conditioning system. The apparatus for the anti-islanding of a power conditioning system according to the present invention is applied to a power conditioning system including a DC/DC converter and a DC/AC inverter in order to transfer power from a solar cell array to a grid. The apparatus for the anti-islanding of a power conditioning system may include an injection signal generator generating an injection signal, an adder generating a final fundamental wave command value, a main controller performing the power control according to the final fundamental wave command value and stopping the operation of the power conditioning system when the level of the detected injection signal has reached the predetermined reference level or more, and an injection signal detector detecting the injection signal included in voltage and providing them to the main controller. | 12-22-2011 |
20120026758 | APPARATUS AND METHOD FOR CONTROLLING SWITCH OF FLYBACK CONVERTER FOR SOLAR GENERATING SYSTEM - There is provided an apparatus and method for controlling a switch of a flyback converter for a solar generating system. The apparatus for controlling a switch of a flyback converter for a solar generating system includes: an MPPT controller generating a current command value for a maximum power point tracker of a solar cell module, based on input voltage, input current, and output voltage of the flyback converter; a current controller generating a current control signal for tracking the current command value; an output current command value generator generating the phase and magnitude command value of the output current, based on the phase of the output voltage and the current control signal; and a switch controller controlling the main switch of the flyback converter, based on the phase and magnitude command value of the output current, thereby simplifying a circuit while solving disadvantages of a discontinuous conduction mode and a boundary conduction mode. | 02-02-2012 |
20120170320 | METHOD AND APPARATUS FOR GENERATING CURRENT COMMAND VALUE FOR TRACKING MAXIMUM POWER POINT IN SOLAR ENERGY GENERATING SYSTEM - There are provided a method and an apparatus for generating a current command value for tracking the maximum power point of a solar energy generating system. The apparatus includes: a voltage detector detecting a voltage input into the flyback power converter; a first calculator calculating an output power from the detected input voltage; a second calculator calculating a power variation based on the calculated output power and a voltage variation of the input voltage; and a current command value generator generating a current command value for tracking the maximum power point of the solar cell module from the calculated voltage variation and the calculated power variation. Accordingly, a current command value after calculating an output power may be generated with only a voltage detector, without a current detector, thereby reducing the costs of a solar energy generating system by decreasing the costs for a high-priced current detector, and simplifying circuit. | 07-05-2012 |
20130094267 | EVEN-LEVEL INVERTER - There is provided an even-level inverter, including: a voltage-dividing circuit dividing input DC power into an even number of voltage levels; a plurality of switching devices connected to individual nodes of the voltage-dividing circuit having the even number of voltage levels; and a bidirectional switching device connected to the individual nodes of the voltage-dividing circuit through at least one of the plurality of switching devices and including at least two transistors. According to the present invention, the bidirectional switching device is implemented without a diode to thereby reduce conduction loss caused due to an anti-parallel diode included in the related art bidirectional switching device, and a neutral point of the voltage-dividing circuit is electrically separated from the switching devices to thereby control reactive power. | 04-18-2013 |
20130201740 | MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF - Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage. | 08-08-2013 |
20130286698 | POWER CONVERTING APPARATUS, OPERATING METHOD THEREOF, AND SOLAR POWER GENERATION SYSTEM - There are provided a power converting apparatus and an operating method thereof, and a solar power generation system. The power converting apparatus for a solar power generation system includes: a power converting unit converting an input signal generated by a solar cell module into an output signal; and a control circuit unit controlling an operation of the power converting unit, wherein the power converting unit includes at least one transformer, and a current sensor and a switching circuit connected to a primary winding of the at least one transformer, and the control circuit unit calculates a voltage and a current of the input signal using a current of the primary winding of the at least one transformer sensed by the current sensor and performs a maximum power point tracking (MPPT) control so that the power converting unit is operated at a maximum power point. | 10-31-2013 |
20130286699 | POWER SUPPLYING APPARATUS, METHOD OF OPERATING THE SAME, AND SOLAR POWER GENERATION SYSTEM INCLUDING THE SAME - There are provided a power supplying apparatus, a method of operating the same, and a solar power generation system including the same. The power supplying apparatus includes: a power supply unit generating a direct current (DC) input signal; a main circuit unit including a plurality of flyback converter circuits connected to the power supply unit to generate a DC output signal; and a control circuit unit controlling an operation of the main circuit unit, wherein the control circuit unit connects the plurality of flyback converter circuits to each other in series or in parallel according to a level of the DC input signal. Therefore, even in the case in which the level of the DC input signal is high, a circuit maybe configured using a circuit device having a low withstand voltage range and damage and deterioration of the circuit device may be prevented. | 10-31-2013 |
20140003093 | MULTI-LEVEL CONVERTER, AND INVERTER HAVING THE SAME AND SOLAR POWER SUPPLY APPARATUS HAVING THE SAME | 01-02-2014 |
20140003108 | MULTI-LEVEL CONVERTER, AND INVERTER HAVING THE SAME AND SOLAR POWER SUPPLY APPARATUS HAVING THE SAME | 01-02-2014 |
20140085944 | DC-AC POWER CONVERTING APPARATUS AND SOLAR POWER SUPPLYING APPARATUS INCLUDING THE SAME - There are provided a DC-AC power converting apparatus including no capacitor or a small capacity capacitor for removing a ripple in an input terminal thereof by charging or discharging power according to a difference between output power and instantaneous system power of a photovoltaic cell, and a solar power supplying apparatus including the same, the DC-AC power converting apparatus including a DC-AC power converting unit converting DC power into AC power, and a charging and discharging unit charging surplus power induced when a level of the DC power is higher than that of the AC power and discharging the charged power when the level of the DC power is lower than that of the AC power. | 03-27-2014 |
20140198547 | MULTILEVEL INVERTER - There is provided a multilevel inverter capable of easily perform balancing of voltages by way of controlling switching of voltage dividing based on an offset between voltages divided by capacitors of a voltage dividing circuit. The multilevel inverter includes: a voltage dividing unit including a plurality of capacitors for dividing an input direct current (DC) voltage; an inverter unit switching the divided DC voltages to output a predetermined alternating current (AC) voltage; and a control unit providing a control signal for controlling switching of the inverter unit based on an offset between the voltages divided by the plurality of capacitors. | 07-17-2014 |
20140301113 | SOLAR POWER SUPPLY APPARATUS AND METHOD OF CONTROLLING POWER SUPPLY THEREOF - There are provided a solar power supply apparatus switching a synchronous rectifying switch instead of a snubber switch to increase power conversion efficiency, and a method of controlling power supply thereof. The solar power supply apparatus includes a power supply unit switching power input by a photovoltaic cell to convert power, synchronously rectifying and outputting the power converted depending on the power conversion switching, and suppressing surplus power generated by the power conversion switching in a snubbing operation; and a control unit controlling the synchronous rectification operation and the snubbing operation of the power supply unit depending on a spike voltage generated by the power conversion switching. | 10-09-2014 |
Patent application number | Description | Published |
20100196778 | MANUFACTURING METHOD OF POROUS METAL ELECTRODE FOR MOLTEN CARBONATE FUEL CELLS USING DRY PROCESS - The present invention provides a method of manufacturing a porous metal electrode for a molten carbonate fuel cell using a dry process. According to the method of manufacturing a porous metal electrode of the present invention, in the press process for controlling the thickness of dry-cast metal powder and rearranging the dry-cast metal powder, the microstructure of the porous metal electrode can be controlled, and the uniformity of the thickness of the porous metal electrode can also be controlled. Therefore, the method of manufacturing a porous metal electrode according to the present invention can be used to manufacture both an anode and a cathode. | 08-05-2010 |
20110250521 | METHOD OF MANUFACTURING ANODE FOR IN-SITU SINTERING FOR MOLTEN CARBONATE FUEL CELL - Disclosed herein is a method of manufacturing an anode for in-situ sintering for a molten carbonate fuel cell, in which an anode green sheet is prepared using a slurry, and then a reinforcing layer is placed on the anode green sheet and then pressed, thereby improving the mechanical stability of a fuel cell stack and the long term stability of an anode, and an anode manufactured using the method. | 10-13-2011 |
20110287333 | REINFORCED MATRIX IMPREGNATED WITH ELECTROLYTES FOR MOLTEN CARBONATE FUEL CELL AND FABRICATION METHOD THEREOF - The present invention relates to an electrolyte-impregnated, reinforced matrix for molten carbonate fuel cells and a manufacturing method thereof. According to the invention, the electrolyte-impregnated matrix, which comprises both the electrolyte and the reinforcing particles including a metal and an oxide, is manufactured by adding the electrolyte, as required per unit cell of a fuel cell, and the reinforcing particles including the metal and the oxide, to a slurry during the matrix preparation step, and subjecting the resulting slurry to a tape casting process. By doing so, the matrix stacking operation is facilitated, and the matrix manufacturing process is simplified. In addition, cracking caused by the difference in thermal expansion coefficient between an electrolyte sheet and the matrix can be suppressed, and thermal shock occurring during operation of the fuel cell stack can be reduced, thus improving the performance and lifetime of the fuel cell. | 11-24-2011 |
20120003550 | STEAM GENERATOR FOR FUEL CELL WITH DUAL USE FOR HEATING FUEL ELECTRODE GAS - The steam generator for a fuel cell with dual use for heating fuel electrode gas according to the invention is configured as a single unit comprising a steam generator ( | 01-05-2012 |
20130280418 | FABRICATION METHOD OF ELECTROLYTE IMPREGNANTED CATHODES - Disclosed is a method for manufacturing an electrode, that is, a large-sized cathode, used for a molten carbonate fuel cell. In the disclosed method, a substrate and a pressure plate, used for electrolyte impregnation, are surface-treated so as to control the bending and cracking of the electrode during the impregnation of an electrolyte. | 10-24-2013 |
20140349144 | FUEL CELL SYSTEM AND METHOD FOR DRIVING SAME - The present application relates to a fuel cell system and a method for driving same, which can produce stable electricity, enhance load following capability, and simultaneously increasing fuel utilization rate and energy efficiency by separately managing a base load and a load following of a fuel cell, and the fuel cell system according to one embodiment of the present application comprises: a molten carbonate fuel cell for generating electricity by using fuel; a reaction gas for shifting discharge gas into water gas; a buffer tank for storing the water gas; and a driving device which is actuated by using the water gas that is stored and provided from the buffer tank. | 11-27-2014 |
20150036792 | COMPUTED TOMOGRAPHY APPARATUS, AND METHOD OF GENERATING IMAGE BY USING COMPUTED TOMOGRAPHY APPARATUS - A computed tomography apparatus includes an X-ray irradiation unit irradiating an X-ray to an object while rotating along a predetermined rotation path, a detector acquiring projection data by detecting an X-ray transmitted through the object, a filter unit located between the X-ray irradiation unit and the object and comprising a plurality of transmissive areas and a plurality of slightly transmissive areas that are arranged in a predetermined direction, and a control unit controlling a motion of the filter unit to allow a relative position of the plurality of transmissive areas with respect to the X-ray irradiation unit and a relative position of the plurality of slightly transmissive areas with respect to the X-ray irradiation unit to change while the X-ray irradiation unit rotates. | 02-05-2015 |
20160091473 | GENERATOR CONDITION MONITORING DEVICE AND METHOD USING GASEOUS DECOMPOSITION PRODUCTS SENSOR - A generator condition monitoring device using gaseous decomposition products sensor according to the present invention comprises moisture trap and a filter for removing moisture and oil in generator cooling hydrogen gas, three way solenoid valve for changing flow of hydrogen gas, hydrocarbon trap for absorbing and removing gaseous decomposition products in a hydrogen gas, a dew point meter for measuring amount of moisture in hydrogen gas, and detection sensor for detecting gaseous decomposition products in hydrogen gas. | 03-31-2016 |
Patent application number | Description | Published |
20090045430 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 02-19-2009 |
20110133244 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 06-09-2011 |
20110278636 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 11-17-2011 |
Patent application number | Description | Published |
20090057704 | LIGHT EMITTING DIODE PACKAGE HAVING HEAT DISSIPATING SLUGS - A light emitting diode package having heat dissipating slugs is provided. The light emitting diode package comprises first and second heat dissipating slugs formed of a conductive material and spaced apart from each other; a package main body coupled to the first and second heat dissipating slugs to support the first and second heat dissipating slugs; and a light emitting diode die electrically connected to the first and second heat dissipating slugs, wherein the respective first and second heat dissipating slugs are exposed to the outside through lower and side surfaces of the package main body. As such, the first and second heat dissipating slugs can be used as external leads. | 03-05-2009 |
20120098019 | LIGHT EMITTING DIODE PACKAGE HAVING HEAT DISSIPATING SLUGS - A light emitting diode package having heat dissipating slugs is provided. The light emitting diode package comprises first and second heat dissipating slugs formed of a conductive material and spaced apart from each other; a package main body coupled to the first and second heat dissipating slugs to support the first and second heat dissipating slugs; and a light emitting diode die electrically connected to the first and second heat dissipating slugs, wherein the respective first and second heat dissipating slugs are exposed to the outside through lower and side surfaces of the package main body. As such, the first and second heat dissipating slugs can be used as external leads. | 04-26-2012 |
20130099274 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 04-25-2013 |
20140203321 | LIGHT EMITTING DIODE PACKAGE HAVING HEAT DISSIPATING SLUGS - A light emitting diode package having heat dissipating slugs is provided. The light emitting diode package comprises first and second heat dissipating slugs formed of a conductive material and spaced apart from each other; a package main body coupled to the first and second heat dissipating slugs to support the first and second heat dissipating slugs; and a light emitting diode die electrically connected to the first and second heat dissipating slugs, wherein the respective first and second heat dissipating slugs are exposed to the outside through lower and side surfaces of the package main body. As such, the first and second heat dissipating slugs can be used as external leads. | 07-24-2014 |
20140231860 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 08-21-2014 |
20160056359 | LIGHT EMITTING ELEMENT - A heat radiation structure of a light emitting element has leads, each lead having a plurality of leg sections, and a light emitting chip mounted on any one of the leads. The present invention can provide a high-efficiency light emitting element, in which a thermal load is reduced by widening a connecting section through which a lead and a chip seating section of the light emitting element are connected, and the heat generated from a heat source can be more rapidly radiated to the outside. Further, the present invention can also provide a high-efficiency light emitting element, in which heat radiation fins are formed between a stopper and a molding portion of a lead of the light emitting element so that natural convection can occur between the heat radiation fins, and an area in which heat radiation can occur is widened to maximize a heat radiation effect. | 02-25-2016 |
Patent application number | Description | Published |
20120113664 | HEAD LAMP FOR VEHICLE - A head lamp for a vehicle is provided, which includes a reflector for reflecting light emitted from a light source, a reflection plate for collecting the light reflected from the reflector in an upward direction, a micro-reflection module provided over the reflector to tilt and reflect the light collected by the reflection plate at a desired angle, and an optical lens for irradiating the light reflected from the micro-reflector onto a road surface. The head lamp can implement various beam patterns in accordance with road and surrounding circumferences, and irradiate vehicle information onto a road surface, thereby reducing the dazzle of other drivers of opposite vehicles and improving the field of vision of the driver to improve the safety and convenience. | 05-10-2012 |
20130241411 | HEAD LAMP APPARATUS OF AUTOMOBILE AND METHOD OF CONTROLLING THE SAME - The present invention relates to a head lamp apparatus of an automobile and a method of controlling the same, and the head lamp apparatus of the automobile includes: left and right static bend lights (SBL) for lighting to a left or right side of a driving direction of the automobile; an automobile speed sensing sensor; a global positioning system (GPS); and a controller configured to turn on at least one of the left SBL and the right SBL when the driving speed of the automobile sensed by the automobile speed sensing sensor is equal to or smaller than a reference speed when the driving position of the automobile unit is a predetermined position to enter a crossroad so that a time at which the SBL is turned on is controlled by reflecting the reference speed when the automobile enters the crossroad, thereby improving visibility of a driver at the crossroad. | 09-19-2013 |
20130311049 | HEAD LAMP APPARATUS OF AUTOMOBILE AND METHOD OF CONTROLLING THE SAME - A head lamp apparatus of an automobile and a method of controlling the same light a curved road by rotating one of a left DBL and a right DBL to the left or right according to a relative distance reflecting a driving speed of the automobile, not an absolute distance from a driving position of the automobile before the automobile enters the curved road on a driving path. | 11-21-2013 |
20140293631 | AUTOMOTIVE LAMP MODULE - An automotive lamp module includes a laser diode, a substrate with the laser diode on the top, a lower heat sink coupled to the bottom of the substrate, an upper heat sink coupled to the top of the substrate and having a light channel disposed through the upper heat sink and in which the laser diode is inserted, and a phosphor disposed in the light channel. Accordingly, it is possible to provide a simple configuration and a compact size and to effectively dissipate heat generated from the laser diode. | 10-02-2014 |
20140294025 | LASER DIODE MOUNTING SUBSTRATE FOR AUTOMOTIVE LAMP MODULE - Provided is a laser diode mounting substrate for an automotive lamp module using a laser diode. The substrate includes: a substrate body with a power supply circuit pattern, which electrically connects a connector with a contact point of the laser diode, on the top; a first heat conduction layer disposed at the area except for the power supply circuit pattern, on the top of the substrate body; and a second heat conduction layer disposed on the bottom of the substrate body, in which at least one heat transfer hole is disposed through the first heat conduction layer, the substrate body, and the second heat conduction layer. Therefore, the present invention provides an effect that heat generated by the laser diode can be effectively dissipated. | 10-02-2014 |
20150109806 | HEAD LAMP FOR VEHICLE - A head lamp for a vehicle includes a laser light source module. The laser light source module comprises a laser diode generating a laser beam. A phosphor is mounted in front of the laser diode to react to light from the laser diode to output white light. A short wave pass filter is coupled with the phosphor to transmit a laser beam from the laser diode to the phosphor and retro-reflect light scattered in remaining directions avoiding a light emitting surface of the phosphor among the laser beam incident on the phosphor to the phosphor. | 04-23-2015 |
20150138774 | LASER OPTIC MODULE - Provided is a laser optic module including: a laser light source which generates laser light; a beam guide which includes a light path whose side wall is a reflective surface to introduce the laser light into the light path to guide the laser light; and a fluorescent substance which is provided at a point where the light path of the beam guide ends and emits fluorescence by the laser light, in which a width of the light path is formed by a full width at half maximum (FWHM) of the laser light in a position where the laser light is incident onto the fluorescent substance. Therefore, the laser light is directly used to improve luminance efficiency and reduce a size by adopting a simple structure. | 05-21-2015 |
20150176791 | LASER OPTICAL SYSTEM FOR HEAD LAMP - A laser optical system for a head lamp may include a laser diode emitting light, a PCB substrate to which the laser diode is attached, the PCB substrate controlling supply of current to the laser diode, a fluorescent body located in front of the laser diode, reacting with the light emitted from the laser diode and thereby outputting white light, a guide path located in front of the laser diode and guiding light, which is outputted from the laser diode, to the fluorescent body, and an internal reflecting surface located between the fluorescent body and the guide path and connected to the guide path, the internal reflecting surface reflecting light, which has been incident on the fluorescent body and scattered backwards, to the fluorescent body. | 06-25-2015 |
Patent application number | Description | Published |
20130003425 | DC/DC CONVERTER, AND ELECTRIC GENERATING SYSTEM USING SOLAR CELL HAVING THE SAME - Disclosed herein is an electric generating system using a solar cell which converts a voltage generated in the solar cell into an Alternating Current (AC) voltage, and applies the converted voltage to a power system. The electric generating system includes; a Direct Current (DC)/DC converter that converts the voltage generated in the solar cell into a DC voltage, and has a synchronous rectifier including a synchronous switch; and a controller that detects one of a phase and a voltage of the power system, and selectively connects the synchronous switch of the synchronous rectifier in accordance with one of the phase and voltage of the power system. Here, the electric generating system reduces a conduction loss, and increases overall efficiency of the electric generation system. | 01-03-2013 |
20130096091 | COMPOSITION FOR PREVENTING OR TREATING OSTEOPOROSIS, AND MANUFACTURING METHOD THEREFOR - The present invention relates to a composition for preventing or treating osteoporosis which comprises an ibandronic acid, or a pharmaceutically acceptable salt thereof, or a hydrate thereof, and vitamin D. The present invention relates to a composition for preventing or treating osteoporosis which has uniform medicinal effects by minimizing the differences in physical properties between ibandronic acid, or the pharmaceutically acceptable salt thereof, or the hydrate thereof, and vitamin D. | 04-18-2013 |
20130121038 | CONVERTER, METHOD FOR CONTROLLING THE SAME, AND INVERTER - Disclosed herein are a converter, a method for controlling the same, and an inverter. The converter includes: an input terminal having power input thereto; a first converter unit converting the power input to the input terminal to thereby output the converted power to an output terminal; and a second converter unit connected between the input terminal and the output terminal while being in parallel with the first converter unit, wherein each of the first and second converter units includes an active clamp unit provided at a primary side thereof and a synchronous rectifying unit provided at a secondary side thereof. | 05-16-2013 |