Patent application number | Description | Published |
20130337962 | APPARATUS HAVING MULTI-OUTPUT DIFFERENTIAL GEAR - Provided herein is a multi-output differential gear apparatus, the apparatus including a first differential gear having a first output gear and a middle gear, and second differential gear having a second output gear and a third output gear. | 12-19-2013 |
20140058661 | REAL-TIME MAP DATA UPDATING SYSTEM AND METHOD - The present invention relates to a real-time map data updating system and method, comprising: collecting operating environment information of a terminal device, which is basic information for update condition determination; checking an update condition of the terminal device which includes one or more of a state of travel, a travel speed, and a network state by comparing the collected operating environment information to preset criteria; and partially updating map data, which is stored in the terminal device, in a combination of one or more of level, tile, and layer units corresponding to the checked update condition. | 02-27-2014 |
20140123800 | ROBOT USING MULTI-OUTPUT DIFFERENTIAL GEAR - Provided herein is a robot using a multi-output differential gear, the robot comprising a driver; a differential gear configured to receive a driving power from the driver, and to drive in an interlocked manner with the driving power to generate at least three outputs differentiated from the driving power; and a motion section configured to drive in an interlocked manner with an output generated from the differential gear, and to apply an external resistance to the differential gear. | 05-08-2014 |
20140136099 | SYSTEM AND METHOD FOR PARTIALLY UPDATING MAP DATA BASED ON USER'S MOVEMENT PATH, SERVICE APPARATUS AND TERMINAL APPARATUS THEREOF, AND RECORDING MEDIUM THEREFOR - The present invention relates to a system and a method for partially updating map data based on a user's movement path, a service apparatus and a terminal apparatus thereof, and a recording medium therefor, and the method includes checking a major movement path of a user; receiving map data update information; extracting partial map data to be updated from map data matched with the major movement path of the user to request update information for the extracted partial map data; and receiving the requested update information on the partial map data to update the map data, and according to the present invention, map data matched with a user's major movement path is partially updated by determining the user's major movement path to more efficiently update the map data. | 05-15-2014 |
20150152992 | BRAKE MECHANISM OF ROBOT USING MULTI-OUTPUT DIFFERENTIAL GEAR - A brake mechanism of a robot using a multi-output differential gear, capable of selectively blocking or applying driving force as needed, the brake mechanism including: a differential gear unit receiving driving force and generating at least three outputs differentiated from the driving force while being linked with the driving force; a driving unit transferring the driving force to the differential gear unit and moving in a direction away from or approaching the differential gear unit to thereby be detachably provided in the differential gear unit; and a rescuing unit controlling a spaced distance between the driving unit and the differential gear unit to attach and detach the driving unit to and from the differential gear unit | 06-04-2015 |
20160136823 | ACTIVE JOINT MODULE AND ROBOT FOR INSPECTION OF PIPELINE WITH THIS MODULE - Provided herein is an active joint module, and a robot for inspecting pipelines having the active joint module, the active joint module including a frame unit; a first bracket connected to one side of the frame unit in a rotatable manner, and to which a first module is coupled; a second bracket connected to another side of the frame unit in a rotatable manner, and to which a second module is coupled; and a bracket rotating unit supported to the frame unit, and is configured to rotate the first bracket and second bracket independently from each other in response to receiving an operating signal, and to unconstrain rotation of the first bracket and second bracket in response to there being no operating signal received. | 05-19-2016 |
Patent application number | Description | Published |
20110025366 | TEST DEVICE FOR TESTING TRANSISTOR CHARACTERISTICS IN SEMICONDUCTOR INTEGRATED CIRCUIT - A test device of a semiconductor integrated circuit includes: an oscillation unit including a plurality of oscillation circuits and configured to activate the respective oscillation circuits in response to a test mode signal and output a plurality of oscillation signals; a switching unit configured to extract only an activated signal among the plurality of oscillation signals; a frequency division unit configured to divide a signal outputted from the switching unit at a predetermined division ratio and generate a divided oscillation signal; and a data buffer unit configured to buffer the divided oscillation signal to output through a data pad. | 02-03-2011 |
20110242913 | SELF REFRESH CIRCUIT - A self refresh circuit includes a continuous output interrupting unit and a glitch removing unit. The continuous output interrupting unit is configured to receive a delay self refresh signal, transmit a pulse of an internal active signal as a first output active signal and interrupt the transmission of the pulse of the internal active signal during a first time period. The glitch removing unit is configured to generate and output a second output active signal when the first output active signal has a predetermined pulse width. | 10-06-2011 |
20120249228 | POWER-UP SIGNAL GENERATION CIRCUIT OF SEMICONDUCTOR APPARATUS - A power-up signal generation circuit of a semiconductor apparatus includes a driver configured to generate a power-up signal in response to a first voltage. The power-up signal generation circuit may also comprise a power control unit configured to provide the first voltage or a second voltage as a power supply voltage to the driver in response to the power-up signal. | 10-04-2012 |
20130169354 | INTERNAL VOLTAGE GENERATION CIRCUIT - An internal voltage generation circuit includes a comparison signal generation unit configured to compare an internal voltage with first and second reference voltages and generate first and second comparison signals; a transfer unit configured to transfer the first comparison signal as a pull-up signal in response to the second comparison signal, transfer the second comparison signal as a pull-down signal in response to the first comparison signal, transfer a power supply voltage as the pull-up signal when the second comparison signal is enabled and transfer a ground voltage as the pull-down signal when the first comparison signal is enabled; and a driving unit configured to drive a node in response to the pull-up signal and the pull-down signal and generate the internal voltage. | 07-04-2013 |
20140145766 | INITIALIZATION CIRCUIT - An initialization circuit includes an initialization control unit configured to generate a start pulse, which is generated after a power supply voltage reaches a target voltage level, in response to the power supply voltage and an external command, and an initialization execution unit configured to extract a fuse signal from a programmed fuse in response to the start pulse, and to output stored data when an external address corresponding to the fuse signal is inputted. | 05-29-2014 |
20140368237 | DRIVING DEVICE - A driving device is disclosed, which relates to a technology for reducing consumption of a leakage current unnecessary for a driver circuit. The driving device includes: a pre-driver configured to output a drive control signal upon receiving a power-supply voltage in response to an input signal, and change a voltage level of the drive control signal in response to a control signal so as to selectively provide the changed voltage level; an output driver configured to receive the power-supply voltage in response to the drive control signal, and output the received power-supply voltage to an output terminal; and a bulk-voltage controller configured to selectively control bulk-voltage levels of the pre-driver and the output driver in response to the control signal. | 12-18-2014 |
Patent application number | Description | Published |
20100118638 | SEMICONDUCTOR MEMORY APPARATUS HAVING DECREASED LEAKAGE CURRENT - A semiconductor memory apparatus includes a MOS transistor configured to be supplied with a first voltage through a bulk terminal thereof. The semiconductor memory apparatus also includes a current control unit configured to be connected to a source terminal of the MOS transistor, receive a power down mode enable signal and a self refresh mode enable signal, apply a second voltage to the source terminal during a power down mode or a self refresh mode, and apply the first voltage to the source terminal during modes other than the power down mode and the self refresh mode. | 05-13-2010 |
20100156490 | DELAY CIRCUIT - Disclosed is a delay circuit. The delay circuit includes a pulse generating unit, a timing adjusting unit, and a pulse width adjusting unit. The pulse generating unit is configured to generate a pulse signal having a preset width in response to a rising edge of an input signal. The timing adjusting unit is configured to activate an output signal in response to the pulse signal after a predetermined time has lapsed. The pulse width adjusting unit is configured to adjust a pulse width of the output signal in response to the activation of the output signal. | 06-24-2010 |
20150019853 | BOOT-UP METHOD OF E-FUSE, SEMICONDUCTOR DEVICE AND SEMICONDUCTOR SYSTEM INCLUDING THE SAME - A semiconductor device includes a power-up signal generation unit suitable for receiving a first power supply voltage and a second power supply voltage higher the first power supply voltage and generating a power-up signal when the first and second power supply voltage increase to reach target levels, respectively, a voltage level adjusting unit suitable for generating a third power supply voltage by adjusting a voltage level of the second power supply voltage, a boot-up signal generation unit suitable for generating a boot-up signal in response to the power-up signal, and a circuit operation unit suitable for performing a boot-up operation using the third power supply voltage in response to the boot-up signal. | 01-15-2015 |
20150194221 | SEMICONDUCTOR DEVICE HAVING FUSE ARRAY AND METHOD OF OPERATING THE SAME - A semiconductor device that includes a fuse array including a plurality of fuses, and suitable for operating using a fuse operation voltage in a fuse operation period, a first voltage generation block suitable for generating an internal voltage based on a first target level, a second voltage generation block suitable for generating the fuse operation voltage based on a second target level in the fuse operation period, and generating the fuse operation voltage based on the first target level outside the fuse operation period, and a connection control block suitable for disconnecting a line of the internal voltage and a line of the fuse operation voltage in the fuse operation period, and connecting the line of the internal voltage and the line of the fuse operation voltage outside the fuse operation period. | 07-09-2015 |
Patent application number | Description | Published |
20090153863 | Method of evaluating sensitivity grade of interior material used in vehicles - A method of evaluating the sensitivity grade of an interior material used in vehicles comprises: evaluating sensitivity properties of an interior material before providing noise factors; evaluating sensitivity properties of the interior material after providing noise factors; averaging each of the sensitivity properties evaluated before the provision of noise factors and after the provision of noise factors to obtain the average value (safety factor) of each of the sensitivity properties; comparing the average value of each of the sensitivity properties with a preset target value of each of the sensitivity properties to compute a target value achievement level of each of the sensitivity properties; and determining the sensitivity grade of the interior material based on the sensitivity property with the lowest target value achievement level. By providing an objective standard to evaluate sensitivity properties of an interior material used in vehicles, the present method(s) eliminates the difficulty in communication between customers and manufactures and quality control regarding the sensitivity grade of interior materials used in vehicles. | 06-18-2009 |
20110073395 | APPARATUS FOR OPENING AND CLOSING AIR FLAP FOR VEHICLE - Disclosed herein is an apparatus for opening and closing an air flap for a vehicle. The apparatus for opening and closing an air flap may include a coolant temperature sensor provided at an engine to measure a coolant temperature of the engine, a control unit comparing a measurement value input from the coolant temperature sensor with a reference value stored therein, thus outputting a control signal, an actuator rotating in response to the control signal of the control unit, a power transmission unit connected to the actuator to transmit rotating force of the actuator, and a flap unit installed in an opening of a front end module carrier, and being selectively movable in a vertical direction in the opening by power transmitted from the power transmission unit to the flap unit to open or close the opening, thus permitting or preventing an inflow of air into the cooling module. | 03-31-2011 |
20110114039 | BUSH AND ENGINE THAT IS EQUIPPED WITH THE BUSH - A bush assembly may include an inner pipe, in which a bolt hole is formed substantially in the middle thereof, an outer pipe, through which the inner pipe is inserted, wherein an inner circumference of the outer pipe is spaced with a predetermined gap from an exterior circumference of the inner pipe and the outer pipe includes a bent portion that is bent at a lower portion thereof and extends in a radial direction with a predetermined length, and an elastic member that couples the inner pipe and the outer pipe in the predetermined gap and is fixed to a lower surface of the bent portion. | 05-19-2011 |
20110115313 | ELECTRIC WATER PUMP - An electric water pump may include a stator generating a magnetic field according to a control signal and a rotor rotated by the magnetic field generated at the stator and pressurizing coolant. According to the electric water pump, the stator may include, a stator core formed by stacking a plurality of pieces made of a magnetic material, an insulator connecting pieces of the stator core to each other, a coil coiling the stator core so as to form a magnetic path, a Hall sensor detecting a position of the rotor, a Hall sensor board controlling the control signal supplied to the stator according to the position of the rotor detected by the Hall sensor, and a stator case wrapping and sealing the stator core, the insulator, the coil, the Hall sensor, and the Hall sensor board. | 05-19-2011 |
20110116921 | WATER PUMP PROVIDED WITH A BEARING - A water pump that is equipped with a bearing, may include a drive shaft, at least two bearings of an arc type that are mounted around the exterior circumference of the drive shaft and being engaged with each other, a housing that fixes the at least two bearings of the art type therein such that the drive shaft can rotate in the at least two bearings of the arc type. | 05-19-2011 |
20110116947 | Electric water pump - The present invention relates to an electric water pump having improved performance and durability. The electric water pump may include a stator generating a magnetic field according to a control signal, a rotor rotated by the magnetic field, a pump cover having an inlet and an outlet, a body having a front surface forming a volute chamber, a stator chamber, and a rotor chamber, the stator mounted in the stator chamber and the rotor mounted in the rotor chamber, a shaft having a central axis, fixed to the rotor and mounted in the rotor chamber, and an impeller fixed to the shaft so as to rotate together with the shaft, pressurizing the coolant having flowed in through the inlet, and mounted in the volute chamber, wherein the rotor chamber is fluidly connected to the volute chamber, and the stator chamber is fluidly closed and sealed from the rotor chamber. | 05-19-2011 |
20110116948 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 05-19-2011 |
20110116952 | Electric water pump - An electric water pump apparatus may include a body having a stator chamber and a rotor chamber therein, a stator having a hollow cylindrical shape and being disposed in the stator chamber and generating a magnetic field, wherein the stator fluidly insulates the stator chamber and the rotor chamber, a rotor disposed in the rotor chamber and enclosed by the stator, wherein the rotor is rotated by the magnetic field, and a pump cover connected to the body and forming a volute chamber therein, wherein the volute chamber and the rotor chamber are fluidly-communicated through a connecting hole formed to the body and a coolant is supplied to the rotor chamber through the connection hole, wherein the stator includes a stator groove formed in an inner circumference therein and the stator groove is fluid-connected to the rotor chamber and the volute chamber through the connection hole. | 05-19-2011 |
20110116953 | Electric Water Pump - An electric water pump may include a stator generating a magnetic field, a rotor rotated by the magnetic field, a pump cover, a body having a volute chamber with the pump chamber, a stator chamber and a rotor chamber, the stator being mounted in the stator chamber and the rotor being mounted in the rotor chamber, a shaft fixed to the rotor, an impeller fixed to the shaft in the volute chamber, a driver case mounted at a rear end of the body and having a rear surface opened backward and formed of a driver chamber therein, and a driver mounted in the driver chamber and applying a control signal to the stator, wherein the case surface is provided with an insert portion protruded forward from an external circumference thereof and inserted in a rear end portion of the body, and a fixing groove in which the insert portion is inserted. | 05-19-2011 |
20110116954 | Electric Water Pump - An electric water pump apparatus may include a body, a stator disposed in the body, a rotor in the stator, a pump cover having an inlet and an outlet, wherein a front surface of the body and the pump cover form a volute chamber, wherein a stator chamber is formed at an outer portion in the body in a radial direction and the stator is mounted in the stator chamber, and wherein a rotor chamber is formed at an inner portion in the body and the rotor is mounted in the rotor chamber, a shaft rotatably coupled to the front surface and fixed into the rotor, and an impeller fixed to a front portion of the shaft, wherein the shaft includes a first shaft connecting the impeller and a front end portion of the rotor and a second shaft connected to a rear end portion of the rotor along the central axis of the shaft. | 05-19-2011 |
20130136628 | ELECTRIC WATER PUMP - An electric water pump, which can not only ensure more reliable waterproof and cooling performance, provides enhanced durability and operational reliability, and is able to reduce the number of parts and has a more compact structure, compared to the conventional technique. | 05-30-2013 |
20140238355 | VARIABLE COMPRESSION RATIO DEVICE AND INTERNAL COMBUSTION ENGINE INCLUDING THE SAME - A variable compression ratio device may include a piston assembly having double pistons of which the volume may be varied, a lifter relatively moving one piston of the double pistons with respect to the other piston of the double pistons, a guide unit engaged with the piston assembly and guiding a movement of the one piston with respect to the other piston, and a locking unit selectively coupling the one piston to the other piston. | 08-28-2014 |
20140271283 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 09-18-2014 |
Patent application number | Description | Published |
20160033813 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device that allows efficient luminance control is presented. The device includes: first, second, and third color pixel areas; a first substrate and a second substrate; a first color filter disposed in the first color pixel area on the first substrate or the second substrate; a second color filter disposed in the second color pixel area on the first substrate or the second substrate; a third color filter disposed in the third color pixel area on the first substrate or the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first color pixel area includes a first transparent region at which the first color filter is not disposed, and a ratio of the first transparent region of the first color pixel area to the first color pixel area is in a range of 1/1000 to ½, inclusive. | 02-04-2016 |
20160033816 | LIQUID CRYSTAL DISPLAY - One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area. | 02-04-2016 |
20160104722 | DISPLAY DEVICE - A display device according to an exemplary embodiment of the present invention includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; a pixel electrode coupled to the thin film transistor; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate. The pixel electrode includes a first subpixel electrode that includes a first horizontal stem portion by which two different regions where arrangements of liquid crystal molecules are respectively different are divided, and a second subpixel electrode that includes a second horizontal stem portion by which two regions where the arrangements of the liquid crystal molecules are respectively different are divided and a cross-shaped stem portion by which four regions where the arrangements of the liquid crystal molecules are respectively different are divided. | 04-14-2016 |
Patent application number | Description | Published |
20090085138 | GLASS CAP MOLDING PACKAGE, MANUFACTURING METHOD THEREOF AND CAMERA MODULE - The present invention is to reduce a manufacturing cost and improve productivity by manufacturing a small module in comparison with a conventional module and simplifying a process. | 04-02-2009 |
20090268318 | Lens driving module - Provided is a lens driving module including a housing that has a lens barrel housing portion provided in the central portion thereof, the lens barrel housing portion having a bearing coupling portion and a guide coupling portion provided therein, and a through-hole formed in one corner thereof where the guide coupling portion is formed; a lens barrel that has a bearing contact portion and a guide portion formed on the outer circumferential surface thereof and is mounted in the lens barrel housing portion of the housing such that the bearing contact portion and the guide portion correspond to the bearing coupling portion and the guide coupling portion of the lens barrel housing portion, respectively; a piezoelectric motor that is mounted in the through-hole formed in one outer corner of the housing, which corresponds to the guide portion of the lens barrel, among the outer corners of the housing; a power connection member that is attached on the outer surface of the piezoelectric motor and of which only a predetermined portion connected to a power supply exhibits conductivity; and a power connection member that surrounds the outer surface of the housing and includes a corner-bent surface having a cross-shaped pad formation portion and a pair of through-holes formed in both sides of the pad formation portion, the through-holes reducing tension. | 10-29-2009 |
20090268319 | Lens driving module - Provided is a lens driving module including a housing that has a lens barrel housing portion provided therein; a lens barrel that has a bearing contact portion and a guide portion formed on the outer circumferential surface thereof and is mounted in the lens barrel housing portion of the housing; a piezoelectric motor that is mounted in one outer corner of the housing, which corresponds to the guide portion of the lens barrel, among the outer corners of the housing, and provides a driving force to the lens barrel; and a power connection member that is bent so as to cover the piezoelectric motor and the outer circumferential surface of the housing and is coupled to the housing. | 10-29-2009 |
20090284844 | Position sensing device and lens driving module using the same - Provided is a position sensing device including a sensing unit that is mounted on one side of a lens barrel, which is inserted into a lens housing portion of a base so as to be vertically driven, and includes a light receiving section and a light emitting section which are provided to face each other; a driven grid that has a plurality of slits formed therein and is mounted on the lens barrel; and a fixed grid that has a plurality of slits formed therein and is fixed and coupled to the inside of the sensing unit. | 11-19-2009 |
Patent application number | Description | Published |
20100274799 | METHOD FOR PERMITTING AND BLOCKING USE OF INTERNET BY DETECTING PLURAL TERMINALS ON NETWORK - The present invention is related to a technology for grasping the number of a plurality of terminals of a client using a Cookie in a private network in which plural terminals are shared by redirecting a session which is to be connected to a Web by analyzing a TCP/IP packet, detecting the accurate number of a plurality of terminals of a client using an Internet, and making the accurate number as a DB, and selectively permitting or blocking a connection to Internet according to TCP/IP by using the Cookie pool information of a DB type and JOB when the users configuring and using a private network connect to the Internet at the same time. | 10-28-2010 |
20110179486 | METHOD FOR NEUTRALIZING THE ARP SPOOFING ATTACK BY USING COUNTERFEIT MAC ADDRESSES - The present invention is related to a method for neutralizing a malicious ARP spoofing attack generated in a local network and in particular, the present invention provides a method for neutralizing an ARP spoofing attack comprising a step for detecting an ARP spoofing attack based on an ARP request packet generated for an ARP spoofing attack; a step for generating a plurality of counterfeit MAC addresses and dynamically changing MAC addresses of network devices or servers which are to be protected whenever an ARP spoofing attack is generated; and a step for neutralizing an ARP spoofing attack by using a counterfeit MAC address which is capable of neutralizing an ARP spoofing attack adequately. | 07-21-2011 |
20110185060 | METHOD FOR ALLOWING AND BLOCKING A USER PC WHICH CAN USE INTERNET AT THE SAME TIME IN A PRIVATE NETWORK THEROF A METHOD FOR ANALYZING AND DETECTING A JUDGEMENT ABOUT WHETHER NAT(NETWORK ADDRESS TRANSLATION) CAN BE USED OR NOT USING A TRAFFIC DATA, AND THE NUMBER OF TERMINALS SHARING NAT - The present invention provides a method consisting of a step for analyzing a traffic receiving mirroring, a step for judging whether NAT (Network Address Translation) use of a client configuring and using a private network as well as a provided authorized IP (an Internet IP) is allowed or not, for analyzing and detecting the number of sharing terminals, a step for creating a database using data, and a step for formulating a policy by using information in database, so that when the users of a private network connect to Internet at the same time, permission or blocking of Internet use can be executed selectively. | 07-28-2011 |
20110265866 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell is provided with a hetero-junction front structure (e.g., P/N or P/I/N) and is further provided in a back portion of thereof with a passivation layer having a plurality of openings defined therethrough. A BSF-forming binder material and a back face electrode are provided contacting the back surface and are fired to thereby bind the back face electrode to the structure and to form a BSF region extending from the openings of the passivation layer. | 11-03-2011 |
20110303260 | SOLAR CELL MODULE AND METHOD OF MANUFACTURING THE SAME - A solar cell module includes an array substrate, a plurality of solar cells and a between-cell bus electrode. The solar cells are arranged to be adjacent to each other on the array substrate. Each of the solar cells includes a wire electrode. The bus electrode between the cells partially overlaps with each of adjacent solar cells and extends in a first direction, to be electrically connected to the wire electrode of each of the adjacent solar cells. Accordingly, the power efficiency of the solar cell module may be improved. | 12-15-2011 |
20110306163 | METHOD OF FORMING ELECTRODE AND METHOD OF MANUFACTURING SOLAR CELL USING THE SAME - A method of forming an electrode, by which the resistance of the electrode can be reduced, and a method of manufacturing a solar cell using the method of forming an electrode are provided. The electrode forming method includes coating conductive paste on a substrate, forming a metal layer by drying the conductive paste or heating the same at low temperature, and annealing the metal layer by Joule heating using the metal layer by applying an electric field to the metal layer. | 12-15-2011 |
20120097226 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes a semiconductor substrate including a first conductive type, a first amorphous silicon thin film layer disposed on the semiconductor substrate and a second amorphous silicon thin film layer including a second conductive type and disposed on the first amorphous silicon thin film layer. The first amorphous silicon thin film layer includes a first intrinsic silicon thin film layer, a second intrinsic silicon thin film layer facing the semiconductor substrate while interposing the first intrinsic silicon thin film layer therebetween and a first low concentration silicon thin film layer including the second conductive type and disposed between the first intrinsic silicon thin film layer and the second intrinsic silicon thin film layer. | 04-26-2012 |
20120103407 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SOLAR CELL - An exemplary embodiment of the present invention provides a method for manufacturing a solar cell, which includes: forming a first semiconductor layer on a first surface of a light-absorbing layer, forming a second semiconductor layer on a second surface of the light-absorbing layer, forming a first transparent conductive layer having one X-ray diffraction peak on the first semiconductor layer in a first direction, forming a second transparent conductive layer having one X-ray diffraction peak on the second semiconductor layer in a second direction opposite to the first direction, forming a first electrode on the first transparent conductive layer in the first direction and forming a second electrode on the second transparent conductive layer in the second direction, in which at least one of the first transparent conductive layer and the second transparent conductive layer is formed at about 180 to about 220° C., at least one of the first transparent conductive layer and the second transparent conductive layer includes oxidized tungsten, and 2θ is 30.2±0.1 degrees in the X-ray diffraction peak. | 05-03-2012 |
20130283341 | METHOD OF SECURING A MOBILE TERMINAL - The present invention relates to a method of implementing a security system for preemptively preventing a decrease in work efficiency due to leaked confidential secrets or the browsing of non work-related sites through a mobile terminal. A security manager implements an environment for allowing, blocking, or recording Internet usage in an independent mobile communication network in an area requiring security, uses a security system server to preregister information on mobile terminals of users who are expected to use the Internet, makes agreements on how personal information will be handled when outside visitors visit the network, registers information on mobile terminals of outside visitors with the security system server, and oversees the installation of a security app whenever necessary. | 10-24-2013 |
Patent application number | Description | Published |
20100154869 | PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer. | 06-24-2010 |
20120129295 | METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer. | 05-24-2012 |
20120199183 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - The solar cell includes a substrate, a semiconductor layer, a first doped pattern and a second doped pattern. The substrate has a first surface adapted to receive solar light and a second surface opposite to the first surface. The semiconductor layer includes an insulating pattern formed on a first area of the second surface of the substrate and a semiconductor pattern formed on a second area of the second surface of the substrate in which the insulating pattern is not formed. The first doped pattern and the second doped pattern are formed either in or on the semiconductor pattern. | 08-09-2012 |
20120234382 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the solar cell, the solar cell including a first surface configured to receive incident sunlight and having a concavo-convex pattern, a substantially flat second surface opposite to the first surface, a first doped layer formed as a crystalline silicon layer having a first dopant, and a second doped layer formed as an amorphous silicon layer having a second dopant. The processes for forming these layers, with the exception of forming the first doped layer, are performed at a low temperature. Accordingly, reflectivity of sunlight may be minimized, a high terminal voltage may be generated, and a wafer including the solar cell can be kept from being bent. | 09-20-2012 |
20120291860 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes a base substrate having a first surface and a second surface opposite the first surface, the base substrate including a crystalline semiconductor and being configured to have solar light incident on the first surface, a doping pattern on a first portion of the second surface, the doping pattern including a first dopant, a first doping layer on a second portion of the second surface, the first doping layer including a second dopant, and the first and second portions of the second surface being different from each other, a first electrode on the first doping layer, and a second electrode on the doping pattern. | 11-22-2012 |
20130112253 | SOLAR CELL - A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate. | 05-09-2013 |
20130113059 | PHOTOVOLTAIC DEVICE AND METHOD OF MANUFACTURING THE SAME - A photovoltaic device includes a semiconductor substrate; an amorphous first conductive semiconductor layer on a first region of a first surface of the semiconductor substrate and containing a first impurity; an amorphous second conductive semiconductor layer on a second region of the first surface of the semiconductor substrate and containing a second impurity; and a gap passivation layer located between the first region and the second region on the semiconductor substrate, wherein the first conductive semiconductor layer is also on the gap passivation layer. | 05-09-2013 |
20130125964 | SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell including a crystalline semiconductor substrate having a first conductive type; a first doping layer on a front surface of the substrate and being doped with a first conductive type impurity; a front surface antireflection film on the front surface of the substrate; a back surface antireflection film on a back surface of the substrate; an intrinsic semiconductor layer, an emitter, and a first auxiliary electrode stacked on the back surface antireflection film and the substrate; a second doping layer on the back surface of the substrate and being doped with the first impurity; an insulating film on the substrate and including an opening overlying the second doping layer; a second auxiliary electrode in the opening and overlying the second doping layer; a first electrode on the first auxiliary electrode; and a second electrode on the second auxiliary electrode and being separated from the first electrode. | 05-23-2013 |
20130127005 | PHOTOVOLTAIC DEVICE AND METHOD OF MANUFACTURING THE SAME - A photovoltaic device and a method of manufacturing the same are disclosed. In one embodiment, the device includes i) a semiconductor substrate, ii) a first conductive semiconductor layer formed on a first region of the semiconductor substrate and iii) a first transparent conductive layer formed on the first conductive semiconductor layer. The device may further include i) a second conductive semiconductor layer formed on a second region of the semiconductor substrate, ii) a second transparent conductive layer formed on the second conductive semiconductor layer and iii) a gap passivation layer interposed between i) the first layers and ii) the second layers, wherein the gap passivation layer has a thickness greater than the sum of the thicknesses of the first layers. | 05-23-2013 |
20130133729 | SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell includes a semiconductor substrate, a first intrinsic semiconductor layer and a second intrinsic semiconductor layer on the semiconductor substrate, the first intrinsic semiconductor layer and the second intrinsic semiconductor layer being spaced apart from each other, a first conductive semiconductor layer and a second conductive semiconductor layer respectively disposed on the first intrinsic semiconductor layer and the second intrinsic semiconductor layer, and a first electrode and a second electrode, each including a bottom layer on the first conductive semiconductor layer and the second conductive semiconductor layer, respectively, the bottom layer including a transparent conductive oxide, and an intermediate layer on the bottom layer, the intermediate layer being including copper. | 05-30-2013 |
20140034119 | PHOTOELECTRIC DEVICE - A photoelectric device that reduces optical loss, reduces recombination loss of carriers, and can be manufactured by using a simplified process is provided. The photoelectric device includes a semiconductor substrate, a first semiconductor stack on a first surface of the semiconductor substrate and having a first conductivity, and a second semiconductor stack on the first surface of the semiconductor substrate and having a second conductivity opposite to the first conductivity. Edge portions of the first and second semiconductor stacks face each other with an insulating portion therebetween. | 02-06-2014 |
20140290726 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes an optical absorption layer; a buffer layer on the optical absorption layer, the buffer layer having a band gap energy gradient; and a transparent electrode layer on the buffer layer, wherein a band gap energy of a lower surface of the buffer layer is higher than a band gap energy of an upper surface of the buffer layer. | 10-02-2014 |
20140360551 | PHOTOELECTRIC MODULE AND METHOD OF MANUFACTURING THE SAME - A photoelectric module includes a substrate, a first photoelectric conversion unit that is formed on the substrate and has a first light-receiving surface, and a second photoelectric conversion unit that is formed under the substrate and has a second light-receiving surface, wherein a front electrode of the second photoelectric conversion unit has a thickness smaller than that of a front electrode of the first photoelectric conversion unit. Also, the photoelectric module is a dual-side light-receiving photoelectric module having light-receiving surfaces on and under the substrate, and the first and second photoelectric conversion units respectively formed on the upper and lower surfaces of the substrate are differently designed to compensate for an intensity difference of incident light. Methods of manufacturing the dual-side light-receiving photoelectric module are provided. | 12-11-2014 |