Patent application number | Description | Published |
20130161688 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - There are provided a semiconductor device and a method of manufacturing the same. The semiconductor device includes a semiconductor substrate having a front surface and a back surface and having a p-type impurity layer, a low-concentration n-type impurity layer, and an n-type impurity layer disposed in a backward direction from the front surface thereof, the n-type impurity layer having a high-concentration p-type impurity region therein and the n-type impurity layer and the high-concentration p-type impurity region being exposed to the back surface; and a deep trench formed vertically in the semiconductor substrate to be open to the front surface of the semiconductor substrate and having a bottom surface connected to the high-concentration p-type impurity region. Here, an activation ratio of impurities may be increased and damages to a wafer may be prevented during a thin film process. | 06-27-2013 |
20130161737 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - There are provided a semiconductor device and a method of manufacturing the same, capable of removing a shoot-through phenomenon by forming capacitance between an electrode and a lateral surface of a protrusion region of a gate and increasing a gate-source capacitance. The semiconductor device may include: a semiconductor body having a predetermined volume; a source formed on an upper surface of the semiconductor body; a gate formed in a groove of the semiconductor body and having a protrusion region protruded upwardly of the upper surface of the semiconductor body, the groove having a predetermined depth and the protrusion region having a protrusion height altered depending on a level of capacitance to be set; and an electrode electrically connected to the source to form capacitance together with a lateral surface of the protrusion region of the gate. | 06-27-2013 |
20140015003 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - Disclosed herein are a semiconductor device, and a method for manufacturing the semiconductor device. The semiconductor device includes a semiconductor substrate, a base region formed on an upper region of an inside of the semiconductor substrate, at least one gate electrode that penetrates through the base region and has an inverted triangular shape, a gate insulating film formed to enclose an upper portion of the semiconductor substrate and the gate electrode, an inter-layer insulating film formed on an upper portion of the gate electrode and the gate insulating film, an emitter region formed inside the base region and on both sides of the gate electrode, an emitter metal layer formed on an upper portion of the base region and inter-layer insulating film, and a buffer region formed to enclose a lower portion of the gate electrode and to be spaced apart from the base region. | 01-16-2014 |
20140061718 | INSULATED GATE BIPOLAR TRANSISTOR - There is provided an insulated gate bipolar transistor, including: an active region including a gate electrode, a first emitter metal layer, a first well region, and one portion of a third well region; a termination region including a second well region supporting diffusion of a depletion layer; and a connection region located between the active region and the termination region and including a second emitter metal layer, a gate metal layer, and the other portion of the third well region, wherein the third well region is formed over the active region and the connection region, and the first emitter metal layer and the second emitter metal layer are formed on the third well region. | 03-06-2014 |
20140117373 | SEMICONDUCTOR DEVICE - Disclosed herein is a semiconductor device including: a source electrode formed on one side of an N-type AlGaN layer; N-type and P-type AlGaN layers formed on the other side of the P-type AlGaN layer and formed in a direction perpendicular to the source electrode; a gate electrode formed on one side of the N-type and P-type AlGaN layers; and a drain electrode formed on the other side of the N-type and P-type AlGaN layers. | 05-01-2014 |
20140117374 | SEMICONDUCTOR DEVICE - Disclosed herein is a semiconductor device including: a base substrate; a first nitride semiconductor layer formed on the base substrate; a second nitride semiconductor layer formed on the first nitride semiconductor layer; a cathode electrode formed on one side of the second nitride semiconductor layer; an anode electrode having one end and the other end, one end being recessed at the other side of the second nitride semiconductor layer up to a predetermined depth, and the other end being spaced apart from the cathode electrode and formed to be extended up to an upper portion of the cathode electrode; and an insulating film formed on the second nitride semiconductor layer between the anode electrode and the cathode electrode so as to cover the cathode electrode. | 05-01-2014 |
20140117405 | SEMICONDUCTOR DEVICE - There is provided a semiconductor device including: a first semiconductor region having a first conductivity type; a second semiconductor region having a second conductivity type and formed on one surface of the first semiconductor region; a third semiconductor region having a first conductivity type and formed on one surface of the second semiconductor region; a gate electrode formed in a trench penetrating through the second semiconductor region and the third semiconductor region to reach an interior of the first semiconductor region; and a hole injection unit formed between the gate electrode and the first semiconductor region. | 05-01-2014 |
20140138736 | INSULATED GATE BIPOLAR TRANSISTOR - There is provided an insulated gate bipolar transistor including: a first semiconductor area of a first conductivity type; a second semiconductor area of a second conductivity type formed on one surface of the first semiconductor area; third semiconductor areas of the first conductivity type continuously formed in a length direction on one surface of the second semiconductor area; a plurality of trenches formed between the third semiconductor areas, extending to an inside of the second semiconductor area, and being continuous in the length direction; a fourth semiconductor area of the second conductivity type formed on one surface of the third semiconductor areas, insulation layers formed inside the trenches; gate electrodes buried inside the insulation layers; and a barrier layer formed in at least one of locations corresponding to the third semiconductor areas inside the second semiconductor area. | 05-22-2014 |
20140145291 | POWER SEMICONDUCTOR DEVICE - Disclosed herein is a power semiconductor device. The power semiconductor device includes a second conductive type first junction termination extension (JTE) layer that is formed so as to be in contact with one side of the second conductive type well layer, a second conductive type second JTE layer that is formed on the same line as the second conductive type first JTE layer, and is formed so as to be spaced apart from the second conductive type first JTE layer in a length direction of the substrate, and a poly silicon layer that is formed so as to be in contact with the second conductive type well layer and an upper portion of the second conductive type first JTE layer. | 05-29-2014 |
20140159105 | POWER SEMICONDUCTOR DEVICE - Disclosed herein is a power semiconductor device, including: a drift layer formed on the first surface of the semiconductor substrate, a well layer of a first conductive type, formed on the drift layer, a trench formed to reach the drift layer through the well layer, a first electrode formed in the trench, a second conductive type of second electrode region formed on the well layer, including a first region contacting the trench in a perpendicular direction and a second region spaced apart from the trench in a parallel direction and being perpendicular to the first region, a first conductive type of second electrode region formed to contact a side surface of the second conductive type of second electrode region, and a second electrode formed on the well layer and electrically connected to the second conductive type of second electrode region and the first conductive type of second electrode region. | 06-12-2014 |
20140159106 | POWER SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - There is provided a power semiconductor device, including: a first conductive type drift layer, a second conductive type termination layer formed on an upper portion of an edge of the drift layer, and a high concentration first conductive type channel stop layer formed on a side surface of the edge of the drift layer. | 06-12-2014 |
20140167150 | POWER SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - There is provided a power semiconductor device including a contact formed in an active region, a trench gate extendedly formed from the first region into a first termination region and formed alternately with the contact, a first conductive well formed between the contact of the active region and the trench gate, a first conductive well extending portion formed in the first termination region and a part of a second termination region, and a first conductive field limiting ring formed in the second termination region and contacting the well extending portion. | 06-19-2014 |
20140239344 | POWER SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - There is provided a power semiconductor device, including a first conductive type drift layer; a second conductive type body layer formed on the drift layer, a second conductive type collector layer formed below the drift layer; a first gate formed by penetrating through the body layer and a portion of the drift layer, a first conductive type emitter layer formed in the body layer and formed to be spaced apart from the first gate, a second gate covering upper portions of the body layer and the emitter layer and formed as a flat type gate on the first gate, and a segregation stop layer formed between contact surfaces of the first and second gates with the body layer, the emitter layer, and the drift layer. | 08-28-2014 |
20140291722 | POWER SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - There is provided a power semiconductor device, including a plurality of trench gates formed to be spaced apart from each other by a predetermined distance, a current increasing part formed between the trench gates and including a first conductivity-type emitter layer and a gate oxide formed on a surface of the trench gate, and an immunity improving part formed between the trench gates and including a second conductivity-type body layer, a preventing film formed on the surface of the trench gate, and a gate oxide having a thickness less than that the gate oxide of the current increasing part. | 10-02-2014 |
20150060999 | POWER SEMICONDUCTOR DEVICE - A power semiconductor device may include: a drift layer having a first conductivity; a hole accumulating layer formed on the drift layer and having the first conductivity; a well layer formed on the hole accumulating layer and having a second conductivity; an emitter region formed in an internal portion of an upper portion of the well layer and having the first conductivity; and trench gates penetrating through the emitter region, the well layer, and the hole accumulating layer, and having a gate insulating layer formed on a surface thereof. The trench gate may be sequentially divided into a first gate part, a second gate part, and a third gate part from an upper portion thereof depending on a height of a material filled in the trench gate, the first to third gate parts having different resistances from each other. | 03-05-2015 |
20150076652 | POWER SEMICONDUCTOR DEVICE - There is provided a power semiconductor device, including: a first semiconductor layer of a first conductive type having a thickness of t1 so as to withstand a reverse voltage of 600V; and a second semiconductor layer of a second conductive type formed inside an upper portion of the first semiconductor layer and having a thickness of t2, wherein t1/t2 is 15 to 18. | 03-19-2015 |
20150144994 | POWER SEMICONDUCTOR DEVICE - A power semiconductor device may include: a first semiconductor layer having a first conductivity type; a second semiconductor layer formed on the first semiconductor layer, having a concentration of impurities higher than that of the first semiconductor layer, and having the first conductivity type; a third semiconductor layer formed on the second semiconductor layer and having a second conductivity type; a fourth semiconductor layer formed in an upper surface of the third semiconductor layer and having the first conductivity type; and trench gates penetrating from the fourth semiconductor layer into a portion of the first semiconductor layer and having gate insulating layers formed on surfaces thereof. The trench gates have a first gate, a second gate, and a third gate are sequentially disposed from a lower portion thereof, and the first gate, the second gate, and the third gate are insulated from each other by gate insulating films. | 05-28-2015 |
20150311334 | SEMICONDUCTOR DEVICE - A semiconductor device may include a drift layer having a first conductivity-type; a body region having a second conductivity-type and disposed on the drift layer; first semiconductor regions having the second conductivity-type and disposed to be spaced apart from each other below the drift layer; and second semiconductor regions having the first conductivity-type and disposed between the first semiconductor regions below the drift layer. | 10-29-2015 |
Patent application number | Description | Published |
20130266995 | METHOD FOR PRODUCING D-TYPE LACTIC ACID - The present invention provides a method for producing D-type lactic acid, by a sugar fermentation of sugar. In accordance with the method of the invention, lactic acid produced during the fermentation reaction is selectively absorbed and detached using an active carbon stick. The method does not require steps, such as, lactate concentration and electrodialytic water splitting that are required during the lactic acid fermentation process. According to the invention, D-type lactic acid can be produced in a high purity and with a high yield. Further, the time and cost associated with the separation process can be reduced in a great extent, thereby offering advantageous effects from a commercial perspective. | 10-10-2013 |
20130266996 | METHOD AND APPARATUS FOR PRODUCING LACTIC ACID - The present invention provides an apparatus and a method for producing lactic acid, wherein only lactic acid is selectively absorbed and separated from fermentation liquor using a lactic acid absorption resin and wherein a neutralizing agent is not used. The present invention does not include a neutralizing process and a process of converting lactate to lactic acid. The method of the present invention comprises the steps of: adding and mixing a culture medium, microorganism and sugar in a fermenter; passing a fermentation liquor through a microorganism filtration unit to remove microorganism through a cross-flow filtration; and selectively absorbing and separating lactic acid from filtered liquid using a lactic acid absorption resin. Accordingly, the separation and purification process of lactic acid from a fermentation liquor for polymerization is simplified. The manufacturing cost is thus reduced. The apparatus of the invention includes a fermenter for lactic acid fermentation; a filtration unit for removing a microorganism present in a fermentation liquor; and a lactic acid absorption resin for selectively absorbing lactic acid from a filtered liquid. | 10-10-2013 |
20130267716 | METHOD OF PREPARING LACTIDE FROM LACTATE - The present invention provides a method of preparing lactide with a high yield from lactate obtained through a fermentation process. In certain embodiments, the invention provides a method of preparing high-purity lactide with a high yield, wherein the method comprises treating lactate with a specific solvent, using a catalyst, and phase-separating the resultant. In accordance with the invention, costs for manufacturing polylactic acid can be considerably reduced. | 10-10-2013 |
20150184588 | THERMAL INSULATION COATING COMPOSITION AND THERMAL INSULATION COATING LAYER - Disclosed is a thermal insulation coating composition including: a polymer resin; an aerogel; and an amphiphilic compound including specific functional groups and having a weight average molecular weight of about 200 to about 5000. A thermal insulation coating layer obtained from the thermal insulation coating composition is also provided. | 07-02-2015 |
20150285140 | THERMAL INSULATION COATING COMPOSITION AND THERMAL INSULATION COATING LAYER - Disclosed are a thermal insulation coating composition that includes a solvent dispersion of a polyamideimide resin and a solvent dispersion of an aerogel and a thermal insulation coating layer that is obtained from the thermal insulation coating composition. | 10-08-2015 |
20150308303 | INTAKE VALVE FOR ENGINE - An intake valve for an engine supplies an intake gas to a combustion chamber of the engine, and an adiabatic coating layer including a polyamideimide resin and an aerogel dispersed in the polyamideimide resin and having thermal conductivity of 0.60 W/m or less may be formed on a surface portion that comes into contact with a flame during operation of the engine. | 10-29-2015 |
Patent application number | Description | Published |
20130287957 | ELECTROLESS PLATING DEVICE AND ELECTROLESS PLATING METHOD - There is provided an electroless plating device including: a plating bath having a plating solution contained therein; a circulation unit connected to the plating bath and circulating the plating solution contained in the plating bath; an additive supply unit mounted on the circulation unit and supplying an additive for extracting carbonate included in the plating solution; and a filter unit mounted on the circulation unit and filtering the extracted carbonate through a reaction with the additive. | 10-31-2013 |
20140116863 | TOUCH PANEL AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a touch panel including: a transparent substrate; an interface layer formed on one surface of the transparent substrate; and a metal mesh type electrode pattern formed on the interface layer, and a method of manufacturing the same. In the case in which the interface layer is formed on the transparent substrate, a mirror surface property of the interface is decreased, thereby making it possible to provide a black oxidation property in which reflectivity of a bonded interface and a color feeling unique to a metal are decreased. Therefore, visibility of the electrode pattern is decreased to suppress a phenomenon that the electrode pattern is viewed by user's eyes, such that visibility of the touch panel is improved, thereby making it possible to improve quality of the touch panel. | 05-01-2014 |
20140346929 | PIEZOELECTRIC VIBRATION MODULE AND VIBRATION GENERATING APPARATUS INCLUDING THE SAME - There are provided a piezoelectric vibration module and a vibration generating apparatus including the same. The piezoelectric vibration module includes: a piezoelectric actuator including a piezoelectric element deformed in both a first direction and a second direction perpendicular to the first direction through the application of electrical power thereto; at least one first rod transferring deformation force of the piezoelectric actuator in the first direction; at least one second rod converting deformation force of the piezoelectric actuator in the second direction into deformation force in the first direction and transferring the converted deformation force; and a mass body connected to the first and second rods and disposed on the piezoelectric actuator so that displacement is generated in the first direction. | 11-27-2014 |
20140347283 | HAPTIC FEEDBACK ACTUATOR MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME - There is provided a haptic feedback actuator module including: a base member including an insertion groove formed in an edge thereof and communications grooves formed at both ends of the insertion groove; a piezoelectric element inserted into the insertion groove; an impact transferring member installed in the communications groove and contacting a display panel or spaced apart from the display panel during deformation of the piezoelectric element; and a connecting member having one end connected to the piezoelectric element and the other end connected to the impact transferring member. | 11-27-2014 |
20140368091 | INTERNAL ELECTRODE FOR PIEZOELECTRIC DEVICE, PIEZOELECTRIC DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE - There is provided a piezoelectric device, including: a multilayered body in which a piezoelectric layer having a first internal electrode formed thereon and a piezoelectric layer having a second internal electrode formed thereon are alternately formed; a first insulating via formed in the first internal electrode layer; a second insulating via formed in the second internal electrode layer; a first conductive via formed in the multilayered body and penetrating through the first insulating via; and a second conductive via formed in the multilayered body and penetrating through the second insulating via, wherein a diameter of the first insulating via is larger than a diameter of the first conductive via, and a diameter of the second insulating via is larger than a diameter of the second conductive via. | 12-18-2014 |
20140374386 | METHOD AND DEVICE FOR FORMING NANO PARTICLE - There is provided a method of forming a nanoparticle including: preparing a wire formed of a material for forming a nano-sized particle; connecting the wire to first and second electrodes; pre-heating the wire using a pre-heating device; and applying energy to the wire using a power supply to form the nano-sized particle, wherein after the pre-heating is performed, a skin depth of the wire is larger than a radius of the wire. | 12-25-2014 |
20150028726 | PIEZOELECTRIC SHEET, PIEZOELECTRIC DEVICE INCLUDING THE SAME, AND METHOD OF FABRICATING PIEZOELECTRIC DEVICE - There is provided a piezoelectric device, including a laminated body in which a plurality of piezoelectric sheets including a first piezoelectric substance having a single crystal structure and a second piezoelectric substance having a polycrystalline structure are laminated, first and second internal electrodes interposed between the piezoelectric sheets and alternating so as to have different polarities in a laminated direction, and first and second external electrodes formed on one surface of the laminated body to be electrically connected to the first and second internal electrodes, wherein the first piezoelectric substance has an aspect ratio (d/l) of 1/8 to 1/4. | 01-29-2015 |
20150102253 | PIEZOELECTRIC MATERIALS FOR LOW SINTERING - The present invention relates to a piezoelectric material for low sintering and more particularly, to piezoelectric materials for low sintering having a composition formula of Pb(Zr, Ti)O | 04-16-2015 |
20150102708 | PIEZOELECTRIC DEVICE AND METHOD OF FABRICATING THE SAME - There is provided a piezoelectric device including: a body portion having a plurality of piezoelectric layers stacked therein; and internal electrodes disposed in the body portion with at least one of the plurality of piezoelectric layers interposed therebetween and including a shrinkage inhibitor having at least one of a flake shape and a plate shape, wherein an angle formed by an interface between the internal electrode and the piezoelectric layer on which the internal electrode and the piezoelectric layer are in contact and a long side direction of the shrinkage inhibitor is 15° or less. | 04-16-2015 |
20150103464 | STATIC-PROTECTIVE COMPONENT AND STATIC-PROTECTIVE COMPOSITION - There is provided a static-protective component including: an insulating substrate; first and second electrodes disposed on the insulating substrate, having a gap of a predetermined interval therebetween; and a turn-on voltage controlling unit disposed at the gap and containing conductive particles and non-conductive particles each having a particle diameter of 120 nm to 1000 nm. | 04-16-2015 |
20150253849 | PIEZOELECTRIC OSCILLATION SUBSTRATE - A piezoelectric oscillation substrate is disclosed. The piezoelectric oscillation substrate in accordance with an aspect of the present invention includes: a substrate body having a receiving groove formed on one surface thereof; an adhesive layer formed by being coated on a surface of the receiving groove; and a piezoelectric body being received in the receiving groove and adhered to the substrate body by the adhesive layer so as to generate vibrations in the substrate body. | 09-10-2015 |
Patent application number | Description | Published |
20140056740 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly capable of reducing an assembling error that is generated according to separate assembling and improving precision of assembling of bearing parts by forming a diffuser part and a motor housing integrally with each other. In the switched reluctance motor assembly, the diffuser is coupled integrally with the housing, such that a separate member for fixing the diffuser is omitted, thereby making it possible to reduce vibration according to driving of a motor and noise according to the vibration. | 02-27-2014 |
20140062226 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly including: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled to the shaft; a balancing member including the rotor part and formed so as to enclose the shaft; a sensor magnet coupled to a lower end portion of the balancing member in an axial direction; and a printed circuit board having a hall sensor attached thereto so as to face the sensor magnet at a lower portion of the sensor magnet in the axial direction. According to the present invention, the coupling precision of the sensor magnet for sensing the position of the rotor part forming the rotor of the switched reluctance motor assembly may be improved. | 03-06-2014 |
20140119945 | SWITCHED RELUCTANCE MOTOR ASSEMBLY AND METHOD OF ASSEMBLING THE SAME - Disclosed herein are a controller embedded switched reluctance motor assembly and a method of assembling thereof. Particularly, according to the present invention, a controller controlling the motor unit is installed in a housing, such that a separate process of installing the controller may be omitted, thereby facilitating assembling of the switched reluctance motor assembly. In addition, since a separate installation space of the controller is not required, a vacuum cleaner including the switched reluctance motor assembly may be miniaturized, and since the controller is installed in a state in which a motor unit and an insulator are coupled to each other and then installed in the housing, intermediate tests of the controller or the motor to unit may be easily performed, such that defects may be reduced. Further, the controller is in the housing, such that the controller may be protected from external disturbance. | 05-01-2014 |
20140175911 | STATOR AND MOTOR HAVING THE SAME - Disclosed herein is a stator including: a plurality of stator cores; a coil wound around each of the plurality of stator cores; and an injection part injection-molded between the plurality of stator cores. | 06-26-2014 |
20140183992 | MOTOR AND MANUFACTURING METHOD THEREOF - There are provided a switched reluctance motor which can be easily manufactured and available for automation, and a manufacturing method thereof. The motor includes: a stator with a coil wound therearound; and a control board coupled to one side of the stator, the coil being electrically connected to the control board, wherein the control board includes a coupling recess in which the coil is fixedly bonded and a guide recess allowing the coil to be moved into the coupling recess from the outside of the control board. | 07-03-2014 |
Patent application number | Description | Published |
20110084789 | TRANSFORMER AND TRANSFORMER ASSEMBLY - A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux and installed on the PCB in a penetrating manner; and a base plate electrically connected to the coil and having a lead frame connected to the PCB, wherein the lead frame is formed such that the base plate is separated from an upper surface of the PCB. | 04-14-2011 |
20110176282 | FLAT PANEL DISPLAY DEVICE AND COMMON MODE FILTER USED THEREFOR - There is provided a flat panel display device, including: a display panel; a printed circuit board on which a circuit component driving the display panel is mounted; a common mode filter mounted on the printed circuit board and including coils wound in parallel with the printed circuit board; and a cover protecting the display panel and the printed circuit board. | 07-21-2011 |
20110193668 | TRANSFORMER AND TRANSFORMER ASSEMBLY - A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux, at least a portion of the core being installed on the PCB in a penetrating manner; and a base plate electrically connected to the coil and having a lead frame connected to the PCB, wherein the base plate is installed to be reversedly disposed at an upper side of the bobbin on the PCB, a space is formed between a lower surface of the base plate and an upper surface of the PCB, and the space between the lower surface of the base plate and the upper surface of the PCB is supported by a support member in contact with the upper surface of the PCB. | 08-11-2011 |
20110227688 | PLANAR TRANSFORMER - There is provided a planar transformer having improved performance through a reduction in heat generation by removing part of a conductor from a substrate. The planar transformer includes a core part having a pair of cores being electromagnetically coupled to each other; a substrate part having at least one substrate disposed between the pair of cores; a pattern part formed on the at least one substrate and including a conductor having an adjustable width; and an opening part including a non-conductor allowing for variations in the width of the conductor of the pattern part. | 09-22-2011 |
20110241816 | PLANAR TRANSFORMER AND METHOD OF MANUFACTURING THE SAME - There are is a planar transformer and a method of manufacturing the same that can prevent resin being coated from being separated from a conductor during the manufacturing of a transformer by forming a dummy pattern on a board. A planar transformer according to an aspect of the invention may include: a core part having a pair of cores electromagneticaliy coupled to each other; a board part having a plurality of boards disposed between the pair of cores and stacked upon one another; a pattern part having a power transmission pattern provided on at least one board of the plurality of boards of the board part and transmitting power being input, and a dummy pattern provided on the same board having the power transmission pattern thereon and separated from the power transmission pattern by a predetermined interval; and a resin part being coated over the at least one board of the plurality of boards, the at least one board having the pattern part thereon. | 10-06-2011 |
20120001713 | TRANSFORMER - There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and a terminal connection part protruding from one side of a lower flange part formed at a lower end of the body part and having external connection terminals connected thereto; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the terminal connection part of the inner bobbin protrudes in an outer diameter direction thereof. | 01-05-2012 |
20120001714 | TRANSFORMER AND DISPLAY DEVICE HAVING THE SAME - The present invention relates to an LCD display device, a transformer, which can be applied to a thin display device, such as an LED display, and a display device having the same. There are provided a transformer including: a bobbin part including a primary bobbin including a first bobbin body having a first through hole therein, the first bobbin body including a first winding unit having a coil wound around an outer circumferential surface of the first through hole, and at least one secondary bobbin including a second bobbin body having a second through hole therein, the second bobbin body including a second winding unit having a coil wound around an outer circumferential surface of the second through hole, wherein the primary bobbin is inserted into the second through hole, and a protrusion is formed on at least part of the outer circumferential surface of the second through hole so that the protrusion is inserted into the first winding unit of the primary bobbin; and a core part having a pair of cores electromagnetically coupled with each other through the first through hole, and a display device having the same. | 01-05-2012 |
20120001716 | TRANSFORMER - There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part vertically protruding outwardly from both ends of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the flange part of the bobbin part includes at least one insulating rib protruding from an outer surface thereof in order to reinforce strength thereof. | 01-05-2012 |
20120001717 | TRANSFORMER - There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an inner bobbin and an outer bobbin, and the inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other. | 01-05-2012 |
20120001886 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part. | 01-05-2012 |
20120001887 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part. | 01-05-2012 |
20120002387 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) device, and a flat panel display device including the thin transformer. The transformer includes a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the outer bobbin includes a support part formed at the flange part formed at an upper end of the body part of the outer bobbin so as to cover a portion of the through-hole, and the inner bobbin is coupled to the outer bobbin while having one end supported by the support part. | 01-05-2012 |
20120038448 | Transformer and display device using the same - There is provided a transformer in which lead wires of a coil are disposed to be separated from each other so as to prevent a short-circuit between the lead wires. The transformer includes a winding unit having a plurality of partitions formed on an outer circumferential surface of a tubular body part; a base provided at one end of the winding unit and including at least one external connection terminal protruding outwardly; a coil wound on a bobbin and having a lead wire connected to the external connection terminal; and a core electromagnetically coupled with the coil to thereby form a magnetic path, wherein the bobbin includes at least one lead wire supporting portion protruding outwardly from the partitions, supporting the lead wire and guiding the lead wire to the external connection terminal. | 02-16-2012 |
20120154089 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - There are provided a transformer and a flat panel display device including the same capable of securing leakage inductance and allowing easy manufacturing. The transformer according to the embodiment of the present invention includes: a bobbin part including a plurality of bobbins each including a tube-shaped body part having a penetration hole therein and one of flange parts protruded outwardly from both sides of the body part; a core inserted into the penetration holes in the bobbins to form a magnetic circuit; a coil part including respective coils wound around the bobbins; and a bobbin fixing member combined with either side surface of the bobbin part in which at least two of the bobbins are laminated, to fix and combine at least two of the bobbins. | 06-21-2012 |
20120154363 | LINE FILTER AND FLAT PANEL DISPLAY DEVICE USING THE SAME - There are provided a line filter and a flat panel display device using the same. The line filter includes: first and second bobbins each including a pipe shaped body part having a through-hole formed therein and a flange part protruding outwardly from both ends of the body part; a core inserted into the through-hole to thereby form a magnetic path; and a coil part including coils, each wound in the first and second bobbins, wherein the coil wound in one of the first and second bobbins is wound clockwise and the coil wound in the other thereof is wound counterclockwise. | 06-21-2012 |
20130002385 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer, and more particularly, a transformer capable of minimizing leakage inductance while satisfying a safety standard. The transformer includes: a pipe shaped body part including a plurality of coils wound around an outer peripheral surface thereof while being stacked thereon; and flange parts extended from both ends of the body part in an outer diameter direction thereof, wherein one of the flange parts formed at one end of a winding part includes at least one lead groove therein, the lead groove being formed by being cut to be extended in the outer diameter direction, and the lead groove is divided into at least two outlets by a dividing protrusion disposed in an inner portion thereof. | 01-03-2013 |
20130120099 | TRANSFORMER - There is provided a transformer capable of easily securing an insulation distance between a core and coils. The transformer includes: a bobbin including a pipe shaped body part having a through-hole formed therein and flange parts protruding outwardly from both ends of the body part; a plurality of coils wound on the body part of the bobbin; and a core inserted into the through-hole of the bobbin to form a magnetic circuit, wherein both an outer surface and an outer peripheral surface of the flange parts are disposed to be spaced apart from an inner peripheral surface of a core by a predetermined interval. | 05-16-2013 |
20130321117 | PLANAR TRANSFORMER AND METHOD OF MANUFACTURING THE SAME - A planar transformer for preventing resin being coated from being separated from a conductor during the manufacturing of a transformer by forming a dummy pattern on a board includes: a core part having a pair of cores electromagnetically coupled to each other; a board part having a plurality of boards disposed between the pair of cores and stacked upon one another; a pattern part having a power transmission pattern provided on at least one board of the plurality of boards of the board part and transmitting power being input, and a dummy pattern provided on the same board having the power transmission pattern thereon and separated from the power transmission pattern by a predetermined interval; and a resin part being coated over the at least one board of the plurality of boards, the at least one board having the pattern part thereon. | 12-05-2013 |
20140077915 | TRANSFORMER - A thin transformer to be used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes a plurality of bobbins, each including a pipe shaped body having a though-hole formed in an inner portion thereof, a flange vertically protruding outwardly from both ends of the body, and external connection terminals protruding from one side of a lower flange formed at a lower end of the body; a core inserted into through-holes of the bobbins to form a magnetic path; and coils each wound around the plurality of bobbins. The bobbins include inner and outer bobbins. The inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are mutually opposed. | 03-20-2014 |
20140125442 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a through-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part. | 05-08-2014 |
20140125443 | TRANSFORMER - A transformer, according to one possible embodiment, includes: a bobbin part formed by stacking a plurality of bobbins including external connection terminals; and coils respectively wound around the plurality of bobbins. At least one bobbin of the plurality of bobbins includes withdrawing grooves formed in a space between the external connection terminals, the respective coil wound around the at least one bobbin being withdrawn outside the bobbin via the withdrawing grooves and coupled to the external connection terminal. | 05-08-2014 |
Patent application number | Description | Published |
20130285275 | METHOD AND APPARATUS FOR MANUFACTURING MELT-BLOWN FABRIC WEB HAVING RANDOM AND BULKY CHARACTERISTICS - Disclosed is a method and apparatus for manufacturing a melt-blown fabric web, by which a melt-blown fabric web having improved filament cohesion and excellent bulky characteristics and sound-absorbing performance is manufactured. The apparatus includes a heat extruder for heating a thermoplastic resin composition and extruding the melted thermoplastic resin, a melt-blown fiber spinner for spinning the extruded thermoplastic resin as a melt-blown fiber in a filament form, a variable gas injector for injecting gas whose injection speed and injection quantity are continuously changed at random to the melt-blown fiber spun from the melt-blown fiber spinner to cause the injected gas to collide with the spun melt-blown fiber, and a collector for collecting the melt-blown fiber, which is spun from the melt-blown fiber spinner and collides with the gas, to form a melt-blown fabric web. | 10-31-2013 |
20130323456 | ECO-FRIENDLY TUFTED CARPET FOR VEHICLE HAVING IMPROVED ABRASION RESISTANCE - Disclosed is a tufted carpet for a vehicle. The tufted carpet for the vehicle is manufactured by implanting a spun yarn into a base fabric, wherein the spun yarn is formed from a material mixture of about 85 wt % to about 95 wt % polyethylene terephthalate (PET) and about 5 to about 15 wt % polytrimethylene terephthalate (PTT). | 12-05-2013 |
20130341121 | NOISE-ABSORBENT FABRIC FOR VEHICLE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a noise-absorbent fabric for a vehicle and a method for manufacturing the same. The noise-absorbent fabric for the vehicle includes a mono-layered nonwoven fabric and a binder. The mono-layered nonwoven fabric is formed of a super fiber, such as an aramid fiber, with a fineness of about 1 denier to about 15 deniers and a thickness of about 3 mm to about 20 mm. The binder is located in the same layer as the nonwoven fabric to maintain a three-dimensional shape of the nonwoven fabric. | 12-26-2013 |
20140124119 | MANUFACTURING METHOD OF HIGH TEMPERATURE RESISTANT SOUND ABSORBING MATERIALS FOR VEHICLE - Disclosed herein is a method for manufacturing a high temperature resistant sound absorbing material for vehicles. In particular, the method includes a beating/blending step, a web forming step, a web laminating step, a needle punching step, a first binder soaking step, a first solvent recovering step, a second binder soaking step, a second solvent recovering step, a second binder surface treating step, a second solvent recovering step, and a molding step. Further, the method of the present invention may include a first binder surface treating step, a first surface solvent recovering step, and a molding step after the first solvent recovering step. In addition, the method of the present invention may further include a third binder soaking step, a third solvent recovering step, a third binder surface treating step, a third surface solvent recovering step, and a molding step after a nonwoven fabric is formed in the needle punching step. | 05-08-2014 |
20140127960 | MELT-BLOWN FIBER WEB WITH IMPROVED CONCENTRATION FORCE AND ELASTICITY AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - Disclosed is a melt-blown fiber web with improved concentration force and elasticity, whereby a melt-blown fabric is cut and sealed at predetermined intervals using knives having arbitrary patterns so that concentration force and elasticity of the melt-blown fiber web can be improved without degrading the inherent function of the fiber web. Further disclosed are a method and apparatus for manufacturing the melt-blown fiber web. The melt-blown fiber web includes thermoplastic filaments, wherein cutting portions and sealing portions are arranged on top and bottom surfaces of the fiber web at predetermined intervals along a thickness of the fiber web so that a concentration force and elasticity of the fiber web are improved. | 05-08-2014 |
20140144723 | HIGH TEMPERATURE RESISTANT SOUND ABSORBING MATERIALS FOR VEHICLE - Disclosed is a highly heat resistant sound absorbing material for a vehicle capable of maintaining a shape even at high temperatures of about 200° C. or above and which satisfies UL 94V-0 flame retardancy. More particularly, the a highly heat resistant sound absorbing material includes a fiber material having a limiting oxygen index (LOI) of at least about 25% and capable of maintaining a shape at a temperature of about 200° C. or above, and a thermosetting binder resin capable of maintaining a shape at a temperature of about 200° C., wherein the fiber material and thermosetting binder resin are provided at a specific proportion. | 05-29-2014 |
20150233112 | SOUND-ABSORBING MATERIAL AND METHOD FOR PREPARING THE SAME - The present invention relates to a sound-absorbing material and a method for preparing the sound-absorbing material. More particularly, the sound-absorbing material, which may be prepared by impregnating a binder into a nonwoven fabric formed of a heat-resistant fiber, is provided. The sound-absorbing may have superior sound-absorbing property, flame retardancy, heat resistance and heat-insulating property, thereby being applicable to parts operating at a temperature of about 200° C. or greater and being shapeable due to the binder. In addition, the method for preparing the sound-absorbing material is provided. | 08-20-2015 |
20150259904 | SOUND-ABSORBING MATERIAL AND METHOD FOR PREPARING THE SAME - The present invention relates to a sound-absorbing material and a method for preparing same. More particularly, it relates to a sound-absorbing material prepared by impregnating a binder into a nonwoven fabric formed of a heat-resistant fiber, having superior sound-absorbing property, flame retardancy, heat resistance and heat-insulating property, thus being applicable to parts maintained at high temperatures of 200° C. or above, to say nothing of room temperature, and being shapeable owing to the binder, and a method for preparing same. | 09-17-2015 |
20150266214 | MOLDING PROCESS OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS - The present invention relates to a method for molding a highly heat-resistant sound absorbing and insulating material, which uses a sound absorbing material containing 20-80 parts by weight of a fiber material having a limiting oxygen index (LOI) of 25% or greater and a heat resistance temperature of 200° C. or greater and 20-80 parts by weight of a thermosetting binder resin having a heat resistance temperature of 200° C. or greater and is installed on an engine cylinder block and an automotive body panel above a muffler of a vehicle. More specifically, the method includes a releasing agent coating step of coating a releasing agent inside a hot die, a hot compression molding step of fixing a shape, and a cold compression step of stabilizing the shape. | 09-24-2015 |
20150283960 | MANUFACTURING METHOD OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS - The present invention relates to a method for manufacturing a highly heat-resistant sound absorbing and insulating material, more specifically to a method including a beating and mixing step, a web forming step, a web stacking step, a needle punching step, a binder impregnating step and a solvent recovering step. | 10-08-2015 |
Patent application number | Description | Published |
20110129607 | Substitutional electroless gold plating solution and method for forming gold plating layer using the same - There is provided a substitutional electroless gold plating solution and a method for forming a gold plating layer using the same. The substitutional electroless gold plating solution includes an organic solvent, and an organic acid-based gold salt dissociated from the organic solvent to generate gold ions. The substitutional electroless gold plating solution can form a gold plating layer having a uniform thickness and enhance bonding strength with a base metal. Further, the substitutional electroless gold plating solution can form a gold plating layer using various printing methods. | 06-02-2011 |
20110151117 | Organic metal complexes for forming metal thin layer, ink including the same and method for forming metal thin layer using the same - There is provided organic metal complexes for forming a metal thin layer, ink including the same, and a method for forming a metal thin layer using the same: wherein the organic metal complexes for forming a metal thin layer include Ag, and a ligand represented by the specific general formula; the organic metal complexes have an excellent stability and solubility toward a solvent; and the ink for forming a metal thin layer comprising the organic metal complexes is easy to form a metal thin layer of, and could be applied on the substrate consisting of material having low thermal stability because the ink can be decomposed at a low temperature. | 06-23-2011 |
20110236646 | Ink composition, metal thin film prepared using the same and method of preparing the same - There are provided an ink composition, a metal thin film prepared using the same, and a method of preparing the same. The ink composition according to the present invention includes: gold-containing complex compound represented by the following Formula 1 (L and L′ are at least one selected from a group consisting of diolefin and derivatives thereof, and X is at least one selected from a group consisting of chlorine (Cl), bromine (Br), and iodine (I), where m=an integer of 1˜10, n=an integer of 1˜10, o=an integer of 0˜10, and p=an integer of 0˜10); and a solvent dispersing the gold-containing complex compound. | 09-29-2011 |
20130157011 | RESIN SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a resin substrate, including: an insulating material; and a resin layer formed on the insulating material and having surface roughness. | 06-20-2013 |
20140370297 | CONDUCTIVE POLYMER COMPOSITION AND CONDUCTIVE FILM USING THE SAME - Disclosed herein is a conductive polymer composition capable of deteriorating water-absorption property and maintaining electrical conductivity by neutralizing polyethylenedioxythiophene/polystyrenesulfonate (PEDOT/PSS) with dicyclohexylmethylamine which is lipid-soluble tertiary amine, and a conductive film using the same. | 12-18-2014 |
20150050473 | RESIN COMPOSITION, PRINTED CIRCUIT BOARD USING THE COMPOSITION, AND METHOD OF MANUFACTURING THE SAME - A resin composition, a printed circuit board using the composition, and a method of manufacturing the printed circuit board. The resin composition includes: a photopolymerizable compound, such as one having an ethylenically unsaturated bond which is polymerizable in a molecule, a photoinitiator, and a surface-modified silica by an alkyl sulfonated tetrazole compound. | 02-19-2015 |