Patent application number | Description | Published |
20090242866 | Phase change memory device and method of fabricating the same - A semiconductor device includes an insulating layer on a substrate, a first electrode in the insulating layer having a first upper surface and a second upper surface, a second electrode in the insulating layer spaced apart from the first electrode by a first distance and having a third upper surface and a fourth upper surface, the third upper surface being disposed at a substantially same level as the first upper surface, and the fourth upper surface being disposed at a substantially same level as the second upper surface, a first phase change material pattern covering a part of the first upper surface of the first electrode, and a second phase change material pattern covering a part of the third upper surface of the second electrode, wherein an interface region between the second phase change pattern and the second electrode is spaced apart from an interface region between the first phase change pattern and the first electrode by a second distance greater than the first distance. | 10-01-2009 |
20100038624 | MEMORY DEVICE HAVING HIGHLY INTEGRATED CELL STRUCTURE AND METHOD OF ITS FABRICATION - In an embodiment, a memory device, with a highly integrated cell structure, includes a mold insulating layer disposed on a semiconductor substrate. At least one conductive line is disposed on the mold insulating layer. Data storage elements self-aligned with the conductive line are interposed between the conductive line and the mold insulating layer. In this case, each of the data storage elements may include a resistor pattern and a barrier pattern, which are sequentially stacked, and the resistor pattern may be self-aligned with the barrier pattern. | 02-18-2010 |
20100051952 | THIN FILM TRANSISTOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A thin film transistor substrate capable of appropriately maintaining driving performance even when there is a difference between manufacturing processes and a method of manufacturing the same. The thin film transistor substrate includes: a gate electrode formed on an insulating substrate; a semiconductor layer formed on the gate electrode; and a plurality of thin film transistors each having a source electrode and a drain electrode that are formed on the gate electrode and the semiconductor layer so as to be spaced apart from each other. At least one of the plurality of thin film transistors is a dummy thin film transistor that does not have the semiconductor layer between the source electrode and the drain electrode. | 03-04-2010 |
20100090194 | MULTI-BIT PHASE-CHANGE RANDOM ACCESS MEMORY (PRAM) WITH DIAMETER-CONTROLLED CONTACTS AND METHODS OF FABRICATING AND PROGRAMMING THE SAME - A phase-change random-access memory (PRAM) device includes a chalcogenide element, the chalcogenide element comprising a material which can assume a crystalline state or an amorphous state upon application of a heating current. A first contact is connected to a first region of the chalcogenide element and has a first cross-sectional area. A second contact is connected to a second region of the chalcogenide element and having a second cross-sectional area. A first programmable volume of the chalcogenide material is defined in the first region of the chalcogenide element, a state of the first programmable volume being programmable according to a resistance associated with the first contact. A second programmable volume of the chalcogenide material is defined in the second region of the chalcogenide element, a state of the second programmable volume being programmable according to a second resistance associated with the second contact. | 04-15-2010 |
20100159638 | Method of fabricating nonvolatile memory device - A method of manufacturing a nonvolatile memory device including forming on a lower insulating layer a first sacrificial pattern having first openings extending in a first direction, forming a second sacrificial pattern having second openings extending in a second direction on the lower insulating layer and the first sacrificial pattern wherein the second openings intersect the first openings, etching the lower insulating layer using the first and second sacrificial patterns to form a lower insulating pattern having contact holes defined by a region where the first and second openings intersect each other, forming a bottom electrode in the contact holes, and forming a variable resistance pattern on the lower insulating pattern so that a portion of the variable resistance pattern connects to a top surface of the bottom electrode. | 06-24-2010 |
20100159675 | METHOD FABRICATING NONVOLATILE MEMORY DEVICE - A method of fabricating a nonvolatile memory device includes; forming a first sacrificial layer pattern including a first open area that extends in a first direction on a lower dielectric layer, forming a pre-lower dielectric layer pattern including a recess that extends in the first direction using the first sacrificial layer pattern, forming a second sacrificial layer pattern including a second open area that extends in a second direction on the pre-lower dielectric layer pattern and the first sacrificial layer pattern, wherein the second open area intersects the first open area, forming a lower dielectric layer pattern including contact holes spaced apart in the recess using the first sacrificial layer pattern and second sacrificial layer pattern, wherein the contact holes extend to a bottom of the lower dielectric layer pattern, and forming a bottom electrode in the contact hole. | 06-24-2010 |
20100171090 | Semiconductor phase-change memory device - A semiconductor phase-change memory device comprises a data line disposed on a semiconductor substrate and a data storage structure disposed under the data line and having a concave portion extending in a direction along the data line. A data contact structure is configured to contact the data storage structure, and having a lower portion filling the concave portion of the data storage structure and an upper portion surrounding at least a lower portion of the data line. Each of sidewalls of the data storage structure is disposed at substantially the same plane as a corresponding one of sidewalls of the upper portion of the data contact structure. | 07-08-2010 |
20100225870 | ARRAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND METHOD OF REPAIRING THE SAME - An array substrate includes a substrate including a display area and a peripheral area surrounding the display area, data lines disposed in the display area and including a portion thereof extending from the display area into the peripheral area at a first side of a periphery of the display area, and a repair line disposed in the peripheral area and crossing the portion of the data lines extending into the peripheral area. The array substrate also includes a static electricity diode part electrically connected to the repair line and a first data line of the data lines. | 09-09-2010 |
20110305058 | NONVOLATILE MEMORY DEVICE AND METHOD OF FABRICATING SAME - A nonvolatile memory device includes multiple variable resistive elements formed on a substrate; multiple bit lines formed on the variable resistive elements, extended in a first direction, and separated from each other by a first pitch; multiple circuit word lines formed on the multiple bit lines, extended in a second direction, and separated from each other by a second pitch; and multiple circuit word lines formed on the multiple bit lines, extended in the first direction, and separated from each other by a third pitch, wherein the third pitch of the multiple circuit word lines is larger than the first pitch of the multiple bit lines. | 12-15-2011 |
20120193997 | WIRELESS POWER TRANSMISSION SYSTEM AND RESONATOR FOR THE SYSTEM - Provided is a wireless power resonator. The wireless power resonator, including a transmission line and a capacitor, may form a loop structure, and may additionally include a matcher to determine an impedance of the wireless power resonator. | 08-02-2012 |
20120218244 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method for driving a display panel includes generating a plurality of gate signals, providing the plurality of gate signals to a plurality of switching elements connected to a plurality of gate lines, respectively, providing the plurality of gate signals to a monitoring element, and restoring the plurality of switching elements based on an output signal from the monitoring element. | 08-30-2012 |
20140036208 | DISPLAY SUBSTRATE AND DISPLAY DEVICE INCLUDING THE SAME - A display substrate for a display device includes: a substrate which includes a light blocking region defining a plurality of pixel areas disposed in a matrix, each pixel area having a length extending in a first direction, and a width extending in a second direction; a color filter overlapping a portion of the each pixel area of the plurality of pixel areas; and an alignment layer disposed on the color filter. The color filter includes a first edge parallel to the first direction and a second edge forming a predetermined angle with the first edge. The second edge is substantially parallel to an alignment direction of the alignment layer. | 02-06-2014 |
20140049211 | WIRELESS POWER TRANSMISSION APPARATUS FOR MOBILE DEVICE - A wireless charging apparatus includes a charging unit configured to transmit power wirelessly to a mobile device, and a power supply unit configured to supply power to the charging unit. The wireless charging apparatus further includes a connecting unit configured to connect the charging unit to the power supply unit such that a position and an angle of the charging unit are adjustable. | 02-20-2014 |
20140077614 | APPARATUS AND METHOD FOR WIRELESS POWER RECEPTION, APPARATUS AND METHOD FOR WIRELESS POWER TRANSMISSION, AND WIRELESS POWER TRANSMISSION SYSTEM - An apparatus and a method for receiving power wirelessly, and an apparatus and a method for transmitting power wirelessly are provided. The apparatus for transmitting power wirelessly includes: a source resonator configured to transmit power wirelessly to a target resonator through a mutual resonance with the target resonator; a power supply unit configured to supply power to the source resonator; and a matching unit configured to connect a passive device to the power supply unit in series or in parallel to match an output impedance of the power supply unit and an input impedance of the source resonator. | 03-20-2014 |
20140152516 | ANTENNA FOR WIRELESS POWER TRANSMISSION AND NEAR FIELD COMMUNICATION - A dual antenna for wireless communication transmission (WPT) and near field communication (NFC) includes a loop antenna, and a dual loop antenna disposed at an inside and an outside of the loop antenna. | 06-05-2014 |
20140197783 | APPARATUS AND METHOD FOR TRANSMITTING POWER AND TRANSCEIVING DATA USING MUTUAL RESONANCE, AND APPARATUS AND METHOD FOR RECEIVING POWER AND TRANSCEIVING DATA USING MUTUAL RESONANCE - An apparatus configured to transmit power, and transceive data, using mutual resonance, includes a power transmitter configured to wirelessly transmit power to a device, using a power transmission frequency as a resonant frequency. The apparatus further includes a communication unit configured to transceive data to and from the device, using a communication frequency as a resonant frequency. The apparatus further includes a controller configured to determine a charging state of the device based on the data received from the device, and control an amount of the power based on the charging state. | 07-17-2014 |
20140203895 | RESONATOR HAVING INCREASED ISOLATION - A resonator having increased isolation includes a first resonator having first characteristics, and configured to resonate with another resonator having the first characteristics; and a second resonator having second characteristics, and configured to resonate with another resonator having the second characteristics; wherein the resonator has an arrangement and a structure that minimizes a coupling between the first resonator and the second resonator. | 07-24-2014 |
20140204860 | RECEPTION NODE AND TRANSMISSION NODE USING MUTUAL RESONANCE, POWER AND DATA TRANSCEIVING SYSTEM USING MUTUAL RESONANCE, AND METHOD THEREOF - A reception (RX) node using mutual resonance includes a target resonator configured to receive power via mutual resonance with a source resonator; a controller configured to wake up in response to the received power, determine a point in time at which the controller woke up to be a point in time at which synchronization with other RX nodes is performed, and generate a data packet, and a sensor configured to wake up in response to the received power, sense information. | 07-24-2014 |
20140284574 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A display apparatus includes a pixel part disposed in a display area of a base substrate, including a switching element connected to a signal line, a pixel electrode connected to the switching element and a common electrode that overlaps the pixel electrode, a plurality of fan-out lines disposed in a peripheral area of the base substrate that are connected to the signal line of the display area, a plurality of pads disposed in the peripheral area of the base substrate that are respectively connected to end portions of the fan-out lines, an organic layer that covers the switching element of the display area and that extends from the display area to a portion of the fan-out lines, and an electrode pattern that overlaps the fan-out lines in a boundary portion of the organic layer. | 09-25-2014 |
20140285139 | WIRELESS POWER TRANSMISSION AND RECEPTION SYSTEM - A wireless charging station, an electric vehicle charged wirelessly, and a method of charging an electric vehicle are provided. A wireless charging station include a charging unit configured to transmit power wirelessly to an electric vehicle, using a source resonator installed in the charging station; and a driving unit configured to move a target resonator connected to the source resonator from a position at which the target resonator is mounted on the charging unit to an installation space of the electric vehicle, when the electric vehicle is disposed in a charging area of the charging station. | 09-25-2014 |
20140306216 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - A thin film transistor array panel includes an insulation substrate; a gate line and a data line on the insulation substrate; a first passivation layer on the gate line and the data line; an organic layer on the first passivation layer; a first electrode on the organic layer; a second passivation layer on the first electrode; and a second electrode on the second passivation layer. An edge of the organic layer is exposed by the first electrode. | 10-16-2014 |
20140375256 | WIRELESS POWER TRANSMISSION SYSTEM WITH ABILITY TO DETERMINE CHARGING CIRCUMSTANCES - A wireless power receiver includes a power receiver configured to wirelessly receive power, and including a direct current (DC)-to-DC (DC/DC) converter, and a power detector configured to detect power detection information from a front end of the DC/DC converter. | 12-25-2014 |
20150022012 | METHOD AND APPARATUS FOR DETECTING COUPLING REGION - A method and apparatus to detect a coupling region in a wireless power transmission and reception system are provided. To detect a coupling region, a wireless power transmission apparatus receives state information of a wireless power reception apparatus, calculates a variation in the state information due to movement of the wireless power reception apparatus, and generates coupling region update information of the wireless power reception apparatus, based on the variation. The receiving, the calculating, and the generating are repeatedly performed. | 01-22-2015 |
20150022016 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WIRELESS POWER TRANSMISSION SYSTEM - An interference control method of a power transmitting unit (PTU) includes determining whether the PTU is in an interference environment in which interference by a neighbor PTU occurs, and controlling a communication parameter of either one or both of the neighbor PTU and a power receiving unit (PRU) in response to a result of the determining being that the PTU is in the interference environment. | 01-22-2015 |
20150022145 | METHOD AND APPARATUS FOR TRANSMITTING COMMUNICATION POWER IN WIRELESS POWER TRANSMISSION SYSTEM - A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus. | 01-22-2015 |
20150042169 | WIRELESS POWER TRANSMISSION METHOD AND APPARATUS FOR STABLY TRANSMITTING POWER TO PLURALITY OF WIRELESS POWER RECEPTION APPARATUSES - A wireless power transmission apparatus includes a plurality of transmission (TX) resonators configured to resonate with at least one reception (RX) resonator, and wirelessly transmit power to the at least one RX resonator; and a frequency controller configured to control the input frequency so that power is stably supplied to the at least one RX resonator. | 02-12-2015 |
20150042173 | METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION FOR EFFICENT POWER DISTRIBUTION - A wireless power transmission apparatus includes a communicator configured to receive information associated with a reference power of a wireless power reception apparatus and information associated with a power measured at an input terminal of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus, a controller configured to control an output power based on the information associated with the reference power and the information associated with the power measured, and a source resonator configured to transmit the output power to the wireless power reception apparatus by resonating with a target resonator. | 02-12-2015 |
20150042274 | APPARATUS AND METHOD FOR WIRELESS POWER RECEPTION - An apparatus and a method for wireless power reception include converting a received wireless power to a wireless power for charging using a synchronous rectifier and a direct current/direct current (DC/DC) converter having a structure providing a high efficiency and low heat generation even when a high charging current is supplied. | 02-12-2015 |
20150045227 | WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RELAY APPARATUS - A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator. | 02-12-2015 |
20150061399 | WIRELESS POWER RECEPTION AND TRANSMISSION APPARATUS - A wireless power receiving device and a wireless power transmission apparatus are provided. The wireless power receiver may include a resonator configured to emit an electromagnetic field, a blocker configured to surround a portion of an exterior of the resonator, and a spacer disposed between the resonator and the blocker. | 03-05-2015 |
20150069854 | METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION WITH HARMONIC NOISE CANCELLATION - A wireless power transmission apparatus includes a source resonator configured to transmit an output power from which a harmonic component has been cancelled to a wireless power reception apparatus by resonating with a target resonator of the wireless power transmission apparatus, and a resonant power generator configured to differentially input a first input signal and a second input signal to the source resonator, and cancel the harmonic component of the output power. | 03-12-2015 |
20150076921 | RESONATING APPARATUS WITH INCREASED ISOLATION FOR STABLE WIRELESS POWER TRANSMISSION - A resonator has an increased isolation for stable wireless power transmission. A material that reduces resonance coupling may be disposed in a space between each of a plurality of resonators and a resonator adjacent to each of the plurality of resonators. A material that reduces resonance coupling may be disposed on a plane opposite to a direction in which a resonator resonates. Power at an operating frequency set to be equal to or within a predetermined range of a frequency corresponding to a resonant mode may be injected into a plurality of transmission resonators. | 03-19-2015 |
20150077051 | METHOD OF POWER TRANSMITTING UNIT (PTU) FOR DETERMINING LOCATION OF POWER RECEIVING UNIT (PRU), AND PTU EMPLOYING THE METHOD - A power transmitting unit (PTU) transmits a power wirelessly based on a location of a power receiving unit (PRU). The PTU determines whether the PRU is located within a charging area of the PTU based on frequency information corresponding to an inflection point detected on a curve of electrical characteristics of a resonator of the PTU. | 03-19-2015 |