Patent application number | Description | Published |
20120271001 | COMPOSITION OF POLYKETONE WITH HIGH IMPACT STRENGTH - The present invention provides a polyketone composition having about 40˜90 wt % of polyketone, about 5˜40 wt % of polyamide, and about 5˜20 wt % of modified rubber. The composition of the present invention greatly improves the impact resistance of polyketone, which has increased heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance or the like, and thus may be widely applied in various industrial fields, such as automotive parts including wheel covers, wheel caps, fuel filler necks, fuel tanks, fuel tubes, center fascias, door handles, roof rack covers, gear, junction boxes, connectors, seat backs or the like, electric/electronic parts, and household items, thereby providing durability of the parts and price competition. | 10-25-2012 |
20130066015 | POLYLACTIC ACID COMPOSITION FOR AUTOMOBILE PARTS - Disclosed is a polylactic acid composition with improved heat-resistance and improved impact-resistance. Specifically, in the disclosed polylactic acid composition, both impact strength and heat-resistance are improved by mixing 30 to 80 wt % of polyketone and 10 to 40 wt % of modified rubber. The disclosed polylactic acid composition does not only exhibit excellent in heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance, etc., but also has improved impact-resistance and improved heat resistance. Thus, it is possible to employ polylactic acid as a bioplastic in interior/exterior parts of a vehicle. | 03-14-2013 |
Patent application number | Description | Published |
20140072289 | CAMERA MODULE - Disclosed herein is camera module including: a lens barrel; an auto-focusing actuator; and a handshake compensating actuator, wherein the auto-focusing actuator and the handshake compensating actuator include a common magnet for actuating auto-focusing and handshake compensation, an auto-focusing corner magnet, a coil for auto-focusing, and a coil for handshake compensation, one surface of the common magnet for actuating auto-focusing and handshake compensation and the auto-focusing corner magnet face the coil for auto-focusing and the other surface of the common magnet for actuating auto-focusing and handshake compensation faces the coil for handshake compensation. | 03-13-2014 |
20150062706 | LENS DRIVING DEVICE AND CAMERA MODULE INCLUDING THE SAME - There is provided a lens driving device, including: an auto-focusing driving unit disposed between a first frame supporting a lens in an optical axis direction and a second frame having a first gap with respect to the first frame; a camera shake stabilizing unit disposed between the second frame and an outer portion having a second gap with respect to the second frame; a leaf spring connected to the first and second frames to maintain the lens on a plane perpendicular to the optical axis direction, the leaf spring having a free-bent edge portion; and a suspension wire disposed in the optical axis direction, wherein one end of the suspension wire is fixed to the edge portion and the other end is fixed to the outer portion so that the second frame is floated from the outer portion. | 03-05-2015 |
20150116515 | CAMERA MODULE - There is provided a camera module including: a housing; a lens unit mounted in the housing; a hand shake correction unit correcting a movement of the lens unit with respect to the housing; and a damping member disposed between the housing and the lens unit to thereby reduce the movement of the lens unit through the hand shake correction unit. | 04-30-2015 |
Patent application number | Description | Published |
20110127940 | Motor - There is provided a motor. The motor may include a rotor case including a driving magnet formed on an inner circumferential surface thereof and providing a driving force by interacting with a coil of a stator, a low-speed control magnet formed on an outer circumferential surface of the rotor case and generating a frequency allowing for low-speed rotation enabling label printing as the rotor case rotates at a low speed; and a sensing part sensing an analog signal generated from the low-speed control magnet. | 06-02-2011 |
20110278965 | Stator core and spindle motor having the same - There is provided a stator core including a core back having an opening such that the core back is fixed to a stationary member by being pressed and fitted thereto; and a plurality of teeth portions being protruded from the core back in a radial direction, each teeth portion including a winding recess around which a coil is wound, wherein the core back and the teeth portions are formed by a sintering process. Since the coil is wound around the winding recess, the height of the wound coil can be reduced. | 11-17-2011 |
20120005698 | Turntable for motor and method for producing the same - There is provided a turntable for a motor, including: a rotor case equipped with a chucking mechanism mounting a disk; a disk holding base part formed on the rotor case to be protruded by denting and disposed to be spaced apart from each other in order to form an air passage communicating a space formed between the disk and the top surface of the rotor case with the outer side of the rotor case; and a disk holding friction part stacked on the disk holding base part and grounded to the bottom surface of the disk. | 01-05-2012 |
20120017228 | Motor and disk drive device having the same - There is provided a motor including: a rotor case having a chucking device, on which a disk is mounted, press-fitted and coupled thereto; and disk support members mounted on an upper surface of the rotor case to support a bottom surface of the disk, and having each of flow path portions therebetween allowing for airflow in a space between the disk and the rotor case, wherein a push portion is disposed in at least one of the rotor case and the disk support members to accelerate the airflow through the flow path portions when the rotor case rotates. | 01-19-2012 |
20120079511 | Motor, method for manufacturing the same, and optical disk drive using the same - There are provided a motor capable of preventing scratches from occurring on an outer surface of a rotor case thereof, a method for manufacturing the same, and an optical disk drive using the same. The motor includes a shaft rotatably inserted into a bearing assembly; and a rotor case fixedly fastened to the shaft and rotating together with the shaft, wherein the rotor case is provided with a chamfered part along the outer peripheral edge of the bottom surface thereof. The rotor case includes a rotor hub fastened to anone end of the shaft; an extending part extending in an outer-diameter direction from the rotor hub; and a vertical extending part formed to be vertically extended downwardly in a shaft direction from anthe outer peripheral edge of the extending part and having the chamfered part formed on the bottom end surface thereof. | 03-29-2012 |
20130154401 | VIBRATOR - There is provided a vibrator, including: a case having an inner space; a coil fixedly mounted on a side wall of the case; an elastic member fixedly mounted on the case so as to be disposed within the coil; a weight body fixedly mounted on the elastic member; and a magnet fixedly mounted on the weight body so as to face the coil. | 06-20-2013 |
20130154403 | VIBRATOR - There is provided a vibrator, including: a case having an inner space; a vibration generating part mounted in the case and generating vibrations by power supplied thereto; and a resonance part resonated by the vibrations generated in the vibration generating part. | 06-20-2013 |
20130239131 | MOTOR HAVING A DISK SUPPORT MEMBER AND A DISK DRIVE DEVICE HAVING THE SAME - A motor including: a rotor case having a chucking device, on which a disk is mounted, press-fitted and coupled thereto; disk support members mounted on an upper surface of the rotor case to support a bottom surface of the disk, and having each of flow path portions therebetween allowing for airflow in a space between the disk and the rotor case; and a push portion disposed in at least one of the rotor case and the disk support members to accelerate the airflow through the flow path portions when the rotor case rotates. | 09-12-2013 |
Patent application number | Description | Published |
20140188315 | SYSTEM AND METHOD OF DETECTING FUSE DISCONNECTION OF DC-DC CONVERTER - A system and method that compares an input voltage value through the input terminal of the LDC with a setting voltage in an ignition on-state and an on-state of a main relay for connection of a high-voltage battery Then a verification is made whether the main relay is in the on-state and whether the voltage of an input capacitor in an inverter is in a normal voltage range. As a result a diagnosis is made whether the disconnection of the input fuse has occurred in a low-voltage state when the input voltage is no more than the setting voltage and the on-state of the main relay and the state in which the voltage of the input capacitor in the inverter is in the normal voltage range. | 07-03-2014 |
20140195081 | SYSTEM AND METHOD FOR INCIPIENT DRIVE OF SLOW CHARGER FOR A VEHICLE WITH ELECTRIC MOTOR - Disclosed herein is a system and method for incipient drive of a slow charger for a vehicle. Specifically, an incipient drive entry of the slow charger used when a battery is charged in an electric vehicle (EV) or a plug-in hybrid electric vehicle (PHEV) may be performed. The method includes operating, by a controller, a regulator by outputting a control pilot (CP) signal from electric vehicle supply equipment (EVSE). Additionally, the method includes operating, by the controller, a flip-flop by outputting a driving signal from the regulator and operating a switching mode power supply (SMPS) by outputting a driving signal from the flip-flop. The method further includes resetting, by the controller, the flip-flop by outputting a reset signal from a central processing unit (CPU) turned on by the SMPS. | 07-10-2014 |
20140253018 | POWER SUPPLY SYSTEM AND METHOD FOR CHARGING BATTERY OF VEHICLE - A power supply system and method for charging a battery of a vehicle are provided and include a charger that is configured to charge the battery and a charging controller that is configured to receive a voltage to charge the battery and operate the charger. An auxiliary battery is configured to supply a first DC voltage to operate the charging controller and a power supplier is configured to generate a second DC voltage greater than the first DC voltage using external AC power, and to supply the second DC voltage to the charging controller as a driving power source to charge the battery. First and second diodes are respectively installed at output ends of the power supplier and the auxiliary battery, a cathode voltage of the second diode is increased when the power supplier supplies the second DC voltage, and the first DC voltage of the auxiliary battery is blocked. | 09-11-2014 |
20150077156 | INTERFACE CIRCUIT FOR DETECTING FAULT OF RESOLVER AND METHOD THEREOF - An interface circuit for detecting a fault in a resolver is provided. More specifically, the interface circuit includes the resolver connected to an intermediate point of a stator coil of a first output terminal for a sine wave signal and an intermediate point of the stator coil of a second output terminal for a cosine wave signal to output the sine and cosine wave signals as a common mode signal. Also includes is resolver fault detection interface unit that adjusts a gain and an offset of the sine wave signal and the cosine wave signal in order to adjust the sine wave signal and the cosine wave signal received as a common mode signal to a frequency that can be suitably applied to an analog/digital terminal of a microcomputer, and to allow high-frequency components of the sine wave signal and the cosine wave signal to pass therethrough. | 03-19-2015 |
20160023561 | POWER MODULE PRINTED CIRCUIT BOARD - An analog control system configured to operate a converter in an electric vehicle battery charging system is provided. The analog control system includes a pulse width modulation (PWM) output unit that is configured to output a PWM signal to the converter and an integrated control unit that is configured to sense an input voltage and an output voltage of the converter. The analog control system may be implemented on a printed circuit board having a first ground voltage stage connected to the PWM output unit, a second ground voltage stage separated from the first ground voltage stage by a first predetermined interval and connected to the integrated control unit. A filtering unit is disposed between the first ground voltage stage and the second ground voltage stage to pass an output signal of a predetermined band from the PWM unit to the integrated control unit. | 01-28-2016 |
20160124046 | METHOD FOR DETECTING INTERLOCK FAILURE OF CONNECTOR IN ECO-FRIENDLY VECHICLE - A method includes: detecting, by a motor controller, an interlock failure of a connector for connecting between a gate driver and the motor controller, the connector being connected to an inverter for driving a motor in an eco-friendly vehicle; and determining, by the motor controller, that the interlock failure of the connector has occurred when an output value of a signal processor provided in the motor controller so that a sensing signal is inputted from the gate driver through the connector is detected as a value beyond a predetermined normal sensing range. | 05-05-2016 |
Patent application number | Description | Published |
20120297851 | METHOD AND APPARATUS FOR MANUFACTURING PANELS FOR VEHICLES - Disclosed herein is a method and apparatus for manufacturing a panel for a vehicle. When a steel sheet is machined to form a panel for a vehicle, a blanking-texturing machine conducts a blanking process for cutting the steel sheet and a texturing process for forming depressions in the steel sheet at the same time. Therefore, the present invention reduces the number of manufacturing processes, thus enhancing the productivity, and reducing the production cost and provides a steel sheet with uniform depressions across the surface of the steel sheet, thereby reducing the coefficient of friction during the pressing process consistently. | 11-29-2012 |
20140170051 | TiAgN COATING LAYER, TiAgN COATING METHOD AND TiAgN COATING APPARATUS - Disclosed is a TiAgN coating layer, formed by subjecting a substrate having a surface roughness of about 0.05˜0.1 μm to plasma coating by periodically turning on/off an Ag source while a Ti source is continuously turned on in a nitrogen gas atmosphere, a TiAgN coating method, and a TiAgN coating apparatus. | 06-19-2014 |
20140170053 | LOW FRICTION COATING LAYER, LOW FRICTION COATING METHOD AND LOW FRICTION COATING APPARATUS - Disclosed herein is a low friction coating layer wherein the uniform concentration of a low friction metal in the coating layer is increased by increasing a turning-on power of a low friction metal source to be higher than a turning-off power thereof, decreasing a turning-on power of a Ti source to be lower than a turning-off power thereof. Alternatively the concentration is increased by increasing a flow rate or temperature of a nitrogen atmosphere gas upon introduction to be higher than upon termination of the introduction thereof. | 06-19-2014 |
20140170441 | TiAgN COATING LAYER, TiAgN COATING METHOD AND TiAgN COATING APPARATUS - Disclosed is a TiAgN coating layer, which is coated by plasma coating method using nitrogen gas, a Ti source and a Ag source, the coating layer comprising Ag in the coating layer at an amount of about 15 at % or more, a TiAgN coating method, and a TiAgN coating apparatus therefor. | 06-19-2014 |
20140318746 | DEVICE FOR INDIRECTLY COOLING BATTERY MODULE OF ECO-FRIENDLY VEHICLE - A device for indirectly cooling a battery module of an eco-friendly vehicle is provided that cools the battery module using an interfacial plate into which a heat pipe is inserted to maximize battery heat emission performance and simultaneously prevent degradation of battery performance. A thermally-conductive interfacial plate in which a heat pipe is embedded by over-molding is disposed between battery cells and a heat sink, which is a condensation unit, integrally connected to an upper end of the heat pipe is disposed in a cooling air flow path to improve contact strength between the interfacial plate and the battery cells. A planar heat emitter is disposed between the battery cells where the interfacial plate is not disposed to heat the battery to a proper-level temperature in a cold-start environment and a low-temperature environment, thereby improving battery performance and preventing degradation in vehicle power. | 10-30-2014 |
Patent application number | Description | Published |
20140102766 | MULTI-LAYER TYPE CORELESS SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a multi-layer type coreless substrate, including: a first insulating layer including at least one first pillar; a plurality of insulating layers laminated on one surface or both surfaces of the first insulating layer, each including at least one circuit layer and at least another pillar connected to the circuit layer; and a plurality of outermost circuit layers contacting a pillar disposed on an outermost insulating layer of the plurality of insulating layers. | 04-17-2014 |
20140102767 | MULTI-LAYER TYPE PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a multi-layer type printed circuit board, including; a first insulating layer including at least one first pillar; a plurality of insulating layers laminated in a both surfaces direction of the first insulating layer, each including at least one circuit layer and at least another pillar connected to the circuit layer; and a plurality of outermost circuit layers disposed on an outer surface of the outermost insulating layer, while contacting an outermost pillar disposed on an outermost insulating layer among the plurality of insulating layers, wherein the circuit layer and another pillar each formed in a both surfaces direction of the first insulating layer are disposed in a symmetrical form to each other based on the first insulating layer. | 04-17-2014 |
20140202748 | PRINTED CIRCUIT BOARD HAVING METAL BUMPS - A printed circuit board includes an upper circuit layer including a circuit pattern embedded in an upper part of an insulating layer, the circuit pattern being made of electroconductive metal; and a metal bump formed on the circuit pattern and the insulating layer | 07-24-2014 |
20150348918 | PACKAGE SUBSTRATE, PACKAGE, PACKAGE ON PACKAGE AND MANUFACTURING METHOD OF PACKAGE SUBSTRATE - A package substrate, a package, a package on package, and a manufacturing method of a package substrate. A package substrate according to one exemplary embodiment includes: an insulating layer; a circuit layer formed on the insulating layer; and a capacitor including a lower electrode, an upper electrode, and a dielectric layer formed between the lower electrode and the upper electrode, the lower electrode and the dielectric layer being buried in the insulating layer and the upper electrode being formed on an upper portion of the insulating layer. | 12-03-2015 |
Patent application number | Description | Published |
20110057991 | Inkjet head and manufacturing method thereof - There is provided an inkjet head and a manufacturing method thereof. The inkjet head includes an upper substrate formed of a silicon material and having an ink chamber storing ink provided therein; an intermediate substrate bonded to the upper substrate, formed of a low temperature co-fired ceramic material, and having a connection path and a restrictor provided therein while the connection path and the restrictor are connected to the ink chamber; and a lower substrate bonded to the intermediate substrate, formed of a silicon material, and having a nozzle connected to the connection path provided therein. According to the inkjet head and the manufacturing method thereof, the densification and facilitation of bonding between substrates are achieved by using anodic bonding between a silicon substrate and a ceramic substrate, thereby improving manufacturing yield. | 03-10-2011 |
20110063368 | Multi inkjet head package, inkjet recording apparatus using the same, and method of aligning the same in inkjet recording apparatus - There is provided a multi inkjet head package. The multi inkjet head package may include: a plurality of inkjet head assemblies each having a head plate in which an inkjet head discharging ink is housed; a rack in which the head plate is housed so as to expose the inkjet head; and a preliminary fixation portion that is installed on the rack and allows the head plate to be preliminarily fixed to the rack. | 03-17-2011 |
20110254900 | Inkjet head assembly and method for manufacturing the same - There is provided an inkjet head assembly that includes: an inkjet head plate including an ink path; a piezoelectric actuator facing a pressure chamber in the inkjet head plate and providing driving force for ejecting ink to a nozzle from the pressure chamber; a package part stacked on the inkjet head plate and including a path moving ink introduced from the outside to an inlet of the inkjet head plate; and an electrical connector filling a via penetrating the package part and electrically connected with the piezoelectric actuator. | 10-20-2011 |
20110265297 | Method of manufacturing inkjet head - There is provided a method of manufacturing an inkjet head. A method of manufacturing an inkjet head according to an aspect of the invention may include: forming a piezoelectric actuator on a dummy substrate; cutting the piezoelectric actuator into head cell units of an inkjet head; preparing an inkjet head substrate including an ink chamber formed at a position corresponding to the piezoelectric actuator; bonding the dummy substrate and the inkjet head substrate to each other so that the piezoelectric actuator and the ink chamber correspond to each other; and removing the dummy substrate. | 11-03-2011 |
20130135399 | PIEZOELECTRIC ACTUATOR, INKJET HEAD ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes: upper and lower electrodes providing driving voltage; and a piezoelectric substance formed between the upper and lower electrodes through solidifying a liquid piezoelectric substance, and providing driving force to ink in each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric substance includes a plurality of branch portions individually provided on an upper portion of each of the plurality of pressure chambers and a large area portion integrally provided while being connected to each of the plurality of branch portions at one ends of the plurality of branch portions. | 05-30-2013 |
20130169723 | INKJET PRINT HEAD - There is provided an inkjet print head including: an ink discharge unit including nozzles, pressure chambers, restrictors, manifolds, and actuators; an ink supply unit including an ink tank supplying ink to the manifolds and circuit boards delivering control signals to the actuators; and a connection unit electrically connecting the circuit boards and the actuators, wherein the ink supply unit is formed integrally with the ink discharge unit. | 07-04-2013 |
20130208050 | INKJET PRINT HEAD - There is provided an inkjet print head including: an ink discharging unit including a plurality of actuators; a connection substrate disposed on the ink discharging unit and having a first circuit pattern electrically connected to the plurality of actuators; and a switching board having a second circuit pattern connected to the first circuit pattern and including a plurality of driving integrated chips (ICs) controlling the plurality of actuators. | 08-15-2013 |
20130286107 | INKJET PRINT HEAD - There is provided an inkjet print head including: a nozzle substrate having a nozzle and a pressure chamber formed therein; and a vibrating substrate coupled to the nozzle substrate and transferring pressure from a piezoelectric actuator to the pressure chamber, wherein the vibrating substrate has a plurality of pores absorbing a pressure wave generated in a process of discharging ink. | 10-31-2013 |
20130342610 | PIEZOELECTRIC ACTUATOR, INKJET HEAD ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes upper and lower electrodes providing a driving voltage; and a piezoelectric body provided between the upper and lower electrodes and providing driving force to ink within each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric body includes branch portions separately provided on an upper portion of each of the plurality of pressure chambers and a large area portion connected to one end of each of the plurality of branch portions and integrally formed, and a connective electrode pattern is provided on a portion of each of the upper electrodes corresponding to the large area portion. | 12-26-2013 |
20140078225 | INKJET PRINT HEAD - There is provided an inkjet print head, including: a first pressure chamber connected to a common channel; a second pressure chamber connected to the common channel and disposed in parallel with the first pressure chamber; a connection channel connecting the first pressure chamber and the second pressure chamber; and a nozzle formed in the first pressure chamber or the second pressure chamber. | 03-20-2014 |
Patent application number | Description | Published |
20090166669 | NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - A nitride semiconductor light emitting device and a method of manufacturing the same, which can prevent crystal defects such as dislocation while ensuring uniform current spreading into an active layer. The nitride semiconductor light emitting device includes a first n-nitride semiconductor layer formed on a substrate, a first intermediate pattern layer formed on the first n-nitride semiconductor layer, the first intermediate pattern layer having a nanoscale dot structure made of Si compound, a second n-nitride semiconductor layer formed on the first n-nitride semiconductor layer, a second intermediate pattern layer formed on the second n-nitride semiconductor layer, the second intermediate pattern layer having a nanoscale dot structure made of Si compound, which is electrically insulating, a third n-nitride semiconductor layer formed on the second n-nitride semiconductor layer, an active layer formed on the third n-nitride semiconductor layer, and a p-nitride semiconductor layer formed on the active layer. | 07-02-2009 |
20100019223 | NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE - There is provided a nitride semiconductor light emitting device including an active layer of a multi quantum well structure, the nitride semiconductor light emitting device including: a substrate; and a buffer layer, an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer sequentially stacked on the substrate, wherein the active layer is formed of a multi quantum well structure where a plurality of barrier layers and a plurality of well layers are arranged alternately with each other, and at least one of the plurality of barrier layers includes a first barrier layer including a p-doped barrier layer doped with a p-dopant and an undoped barrier layer. | 01-28-2010 |
20100019258 | SEMICONDUCTOR LIGHT EMITTING DEVICE - There is provided a semiconductor light emitting device that can easily dissipate heat, improve current spreading efficiency, and reduce defects by blocking dislocations occurring when a semiconductor layer is grown to thereby increase reliability. A semiconductor light emitting device including a substrate, a light emitting structure having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer sequentially laminated, and an n-type electrode and a p-type electrode formed on the n-type semiconductor layer and the p-type semiconductor layer, respectively, according to an aspect of the invention may include: a metal layer formed in the n-type semiconductor layer and contacting the n-type electrode. | 01-28-2010 |
Patent application number | Description | Published |
20110181674 | Inkjet print head - There is provided an inkjet print head including: a reservoir storing a first ink drawn in through an ink inlet; a pressure chamber storing the first ink drawn in from the reservoir and transferring the first ink to a nozzle by a driving force of an actuator; and a damper disposed between the pressure chamber and the nozzle and allowing the first ink to be mixed with a second ink drawn through an ink flow path for the second ink. | 07-28-2011 |
20110232523 | Method for producing metal nanoparticles, ink composition using the same, and method for producing the same - There are provided a method for producing metal nanoparticles, including: preparing a first solution including a halogen ion-containing metal precursor, an amine, and a non-aqueous solvent; producing a second solution including metal nanoparticles in which the amine is capped by heating, agitating, and reducing the first solution; and washing and drying the second solution with a base-containing solvent in order to remove non-reacted amine and halogen ions from the produced metal nanoparticles in which the amine is capped, an ink composition using the same, and a method for producing the same. | 09-29-2011 |
20110232527 | Method for producing metal nanoparticles, ink composition using the same and method for producing the same - There are provided a method for producing metal nanoparticles including preparing a first solution including a metal precursor, an amine, and a non-aqueous solvent; producing metal nanoparticles capped with amine by heating, agitating, and reducing the first solution; preparing a second solution by washing a non-reactive amine among the produced metal nanoparticles and dispersing the metal nanoparticles in the non-aqueous solvent; and partially capping an acid on the metal nanoparticles dispersed by adding the acid to the second solution and heating and agitating it, an ink composition using the same, and a method for producing the same. | 09-29-2011 |
20110285782 | Apparatus for cleaning inkjet print head and inkjet printer having the same - There is provided an apparatus for cleaning an inkjet print head and an inkjet printer having the same. The apparatus for cleaning the inkjet print head includes a cleaning plate spaced apart from the inkjet print head with a cleaning area interposed therebetween, the inkjet print head ejecting ink through a nozzle; an electrode part allowing residual ink remaining at an end portion of the nozzle to be moved outwardly of the cleaning plate; and a power supply part electrically connecting the inkjet print head to the electrode part. | 11-24-2011 |
20120111401 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - There are provided a solar cell and a method of manufacturing the same. The solar cell includes: a solar cell unit absorbing sunlight to generate electricity; a surface treatment layer formed on at least one of upper and lower surfaces of the solar cell unit by a condensation reaction of a compound having a functional group —Y having a lone pair and an alkoxy group —OR; and a metal electrode layer bonded to the functional group —Y having the lone pair of the surface treatment layer. The solar cell has excellent energy conversion efficiency. | 05-10-2012 |
20130294006 | CONDUCTIVE RESIN COMPOSITION, MULTILAYER CERAMIC CAPACITOR HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - There is provided a conductive resin composition including epoxy resin, copper powder particles, and non-nitrogen-based hardeners. | 11-07-2013 |
20130321976 | NICKEL NANOPARTICLE, METHOD OF PREPARING THE SAME, AND MULTILAYER CERAMIC CAPACITOR USING THE SAME - There is provided a method of preparing a nickel nanoparticle, the method including: forming an aqueous solution by mixing water and a solution containing a hydroxyl group; forming a mixed liquid by adding carboxylic acid to the aqueous solution at a ratio of 10 to 20 wt % with regard to the solution containing a hydroxyl group; and adding a nickel salt to the mixed liquid and stirring the mixed liquid. | 12-05-2013 |
Patent application number | Description | Published |
20140204480 | SUBMINIATURE OPTICAL SYSTEM AND PORTABLE DEVICE INCLUDING THE SAME - There are provided a subminiature optical system having a miniature size and capable of obtaining a narrow view angle using only five sheets of lenses, and a portable device having the same. The subminiature optical system includes a first lens convex toward the object side and having positive refractive power. a second lens concave toward an image side and having negative refractive power, a third lens convex toward the object side and having positive refractive power, a fourth lens concave toward the image plane and having negative refractive power, and a fifth lens convex toward the image plane and having negative or positive refractive power, sequentially from an object side. | 07-24-2014 |
20140368723 | LENS MODULE AND CAMERA MODULE INCLUDING THE SAME - There is provided a lens module including: a plurality of lenses; and a plurality of interval maintaining members disposed between the plurality of lenses, respectively, and having light-shielding holes formed therein, respectively, so that light input through the plurality of lenses passes therethrough, wherein sizes of the respective light-shielding holes are increased in a downward optical axis direction, and at least one of the plurality of light-shielding holes has a rectangular shape. | 12-18-2014 |
20150055229 | LENS MODULE - There is provided a lens module including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having a shape in which an object-side surface thereof is concave; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having negative refractive power, having a shape in which an image-side surface thereof is concave, and having at least one point of inflection formed on the image-side surface thereof. | 02-26-2015 |
20150062727 | LENS AND LENS MODULE - There is provided a lens including: a first surface having a first coupling part formed thereon, the first coupling part having a staircase-shaped cross section; and a second surface having a second coupling part formed thereon, the second coupling part having an angle of inclination with respect to an optical axis. | 03-05-2015 |
20150085378 | LENS MODULE - There is provided a lens module including: a first lens having refractive power and having a shape in which an image-side surface is concave; a second lens having refractive power; a third lens having positive refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; and a sixth lens having refractive power and having a point of inflection formed on an image-side surface thereof. | 03-26-2015 |
Patent application number | Description | Published |
20110109702 | Inkjet head - There is provided an inkjet head. An inkjet head according to an aspect of the invention may include: a body having a nozzle in an outer surface thereof; a reservoir provided within the body and containing ink being externally injected; an ink chamber receiving the ink from the reservoir through a restrictor and ejecting the ink to an outside through the nozzle; and a reservoir actuator mounted on the body at a position corresponding to the reservoir and transmitting vibrations to the reservoir. | 05-12-2011 |
20110134182 | INKJET HEAD PACKAGE - There is provided an inkjet head package including: an ink head having an actuator mounted thereon and ejecting ink to the outside by a driving force of the actuator; an intermediate substrate disposed between the ink head and an ink storage supplying ink to the ink head, and having a socket provided on a surface thereof; and a lead frame provided on an upper surface of the ink head such that the intermediate substrate and the actuator are electrically connected to each other. | 06-09-2011 |
20110134196 | Inkjet head - There is provided an inkjet head including: a flow path plate having a plurality of ink chambers; a nozzle plate having a plurality of nozzles connected to the respective ink chambers in order to eject ink in the ink chambers to the outside; a piezoelectric actuator provided above the ink chambers and controlling pressure of the ink chambers; and a parylene protective film provided in order to prevent oxidization of the piezoelectric actuator. | 06-09-2011 |
20110162181 | Device for polling piezoelectric element and polling method using the same - A device for polling a piezoelectric element includes: a polling chamber in which a plurality of piezoelectric elements are disposed; a power supply unit providing voltage to poll the piezoelectric elements; a capacitance measurement unit connected with the piezoelectric elements to measure the capacitance of the piezoelectric elements; and a switching system connected with the power supply unit and the piezoelectric elements within the polling chamber, and selectively providing the voltage of the power supply unit to the piezoelectric elements. | 07-07-2011 |
20110169895 | Inkjet print head, wafer level package and method of manufacturing the same - There is provided an inkjet print head including an ink head and a chipping prevention portion. The ink head includes a nozzle for ejecting ink to the outside by a driving force of a piezoelectric actuator mounted on a surface of the ink head. The chipping prevention portion includes a cutting portion disposed at a side of the ink head and being cut so as to have a height lower than that of the nozzle. | 07-14-2011 |
20110181668 | Inkjet print head and manufacturing method thereof - There is provided an inkjet print head including: a body portion including a nozzle ejecting ink, an ink chamber connected to the nozzle so as to supply the ink to the nozzle, and a vibration plate transferring vibrations to the ink chamber and formed of an elastomer; an actuator mounted on the body portion in order to be arranged to correspond to the ink chamber and generating the vibrations transferred to the ink chamber; and a buffer layer allowing for an electrical connection with the actuator and having a Young's modulus greater than that of the body portion. | 07-28-2011 |
20110193915 | Piezoelectric actuator, inkjet head including the same, and method of manufacturing piezoelectric actuator - A piezoelectric actuator according to an aspect of the invention may include: upper and lower electrodes supplying a driving voltage; and a piezoelectric material formed by solidifying a piezoelectric liquid having viscosity between the upper and lower electrodes and providing a driving force to ink inside an ink chamber of an inkjet head. | 08-11-2011 |
20110205313 | Inkjet print head and method of manufacturing the same - There is provided an inkjet print head including: a pressure chamber storing ink in order to eject the ink to a nozzle; a piezoelectric actuator receiving part being recessed in order to correspond to the pressure chamber in a direction of the pressure chamber; and a piezoelectric actuator received in the piezoelectric actuator receiving part, in which viscous liquid having piezoelectric properties is filled and hardened, and supplying the pressure chamber with a driving force for ejection of the ink. | 08-25-2011 |
20130167633 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are an inertial sensor and a method of manufacturing the same. The inertial sensor | 07-04-2013 |
20140088907 | INERTIAL SENSOR AND METHOD FOR CORRECTING THE SAME - Disclosed herein is a method for correcting an inertial sensor, including: (A) analyzing, by a computer, an inertial sensor; (B) detecting inertia moments at both sides based on a driving reference axis of the inertial sensor; (C) determining, by the computer, whether the inertia moment or a mass center is regularly symmetrical with each other at both sides based on the driving reference axis; and (D) correcting, by the computer, design information of the inertial sensor so that the inertia moment or the mass center is regularly symmetrical with each other based on the driving reference axis. | 03-27-2014 |
20140346892 | POLLING SYSTEM AND POLLING METHOD USING THE SAME - Disclosed herein is a polling system, including: a matrix element including individual elements including upper electrodes and lower electrodes, the individual elements being arrayed in plural, the upper electrodes of the individual elements being each connected in series to form upper electrode units which are arrayed in plural and the lower electrodes of the individual elements being each connected in series to form lower electrode units which are arrayed in plural; an upper switch connected to each of the upper electrode units which is arrayed in plural; a lower switch connected to each of the lower electrode units which is arrayed in plural; and a polling unit performing polling to apply voltage to the upper electrodes and the lower electrodes, respectively. | 11-27-2014 |
20150135497 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are an inertial sensor and a method of manufacturing the same. The inertial sensor | 05-21-2015 |