Patent application number | Description | Published |
20110032150 | BEAMFORMING APPARATUS AND METHOD FOR MULTI-ANTENNA SYSTEM - A beamforming apparatus for a multi-antenna system includes a phase control unit including a plurality of phase shifters which respectively control the phases of signals according to a preset phase weight vector; a signal combination unit combining the signals outputted from the plurality of phase shifters; a frequency down converter down-converting the combined signal outputted from the signal combination unit into a baseband signal; an analog/digital (A/D) converter converting the baseband signal into a digital signal; and a radio frequency (RF) beamforming control unit providing a plurality of preset phase weight vectors to the phase control unit according to a preset application sequence, deciding a maximum signal-to-noise ratio (SNR) among a plurality of SNRs corresponding to the applied phase weight vectors by using the digital signal outputted from the A/D converter, and controlling the beamforming of the phase control unit by using the maximum SNR. | 02-10-2011 |
20110033015 | MULTI-ANTENNA SYSTEM USING ADAPTIVE BEAMFORMING - A multi-antenna system using adaptive beamforming includes a phase shift unit, a signal combination unit, a frequency down-converter, and an analog-to-digital (A/D) converter, and a beamforming control unit. The phase shift unit includes a plurality of phase shifters which shift the phases of signals received from a plurality of antennas. The signal combination unit combines phase-shifted signals output from the plurality of phase shifters. The frequency down-converter down-converts a signal output from the signal combination unit into a baseband signal. The A/D converter converts the baseband signal into a digital signal. The beamforming control unit searches for a weight vector higher than a preset threshold signal-to-noise ratio (SNR) when a reception SNR of the digital signal output from the A/D converter is lower than the threshold SNR, and changes a currently set weight vector into the searched weight vector to provide to the phase shift unit. | 02-10-2011 |
20110084766 | WIDEBAND ACTIVE CIRCUIT WITH FEEDBACK STRUCTURE - A broadband active circuit with a feedback structure includes: an active load unit providing a load varied according to a control voltage; an active circuit unit connected between the active load unit and a ground and outputting a signal corresponding to a pre-set bandwidth, among input signals; and a feedback circuit unit formed between an output terminal of the active circuit unit and the active load unit and providing a signal from the output terminal of the active circuit unit to the active load unit. | 04-14-2011 |
20110102219 | SUCCESSIVE APPROXIMATION ANALOG/DIGITAL CONVERTER AND TIME-INTERLEAVED SUCCESSIVE APPROXIMATION ANALOG/DIGITAL CONVERTER - A successive approximation analog/digital converter includes a sample & hold part sampling and holding an intensity of an analog input signal using a single clock cycle of a clock signal; a first comparator comparing the intensity of the analog input signal with comparison voltages determined according to estimated digital values per clock cycle following an operating clock cycle of the sample & hold part; a second comparator comparing the intensity of the analog input signal with a value equal to ½ of a preset reference voltage in the latter half of the operating clock cycle of the sample & hold part; a successive approximation register determining a value of an MSB of a digital value to be converted according to the comparison result of the second comparator and values of bits successive to the MSB according to the comparison result of the first comparator, and generating the estimated digital values by applying estimated values to undetermined bits; and a digital/analog converter generating the comparison voltages using the estimated digital values and the reference voltage. | 05-05-2011 |
20110158220 | MEDIA ACCESS CONTROL METHOD IN WIRELESS NETWORK - A media access control method in a wireless network is provided. Each of devices in the wireless network determines one of a plurality of beacon slots within a beacon period as a beacon slot of the device. The devices in the wireless network determine a data transmission order in accordance with the slot numbers of the beacon slots of the devices in a reserved period of a data transmission period. Data is transmitted in the unreserved period in accordance with the determined data transmission order. | 06-30-2011 |
20120072620 | TERMINAL AND WIRELESS COMMUNICATION METHOD THEREOF - There are provided a terminal capable of selecting a suitable wireless module among a plurality of wireless modules depending on a situation and providing an optimal image even in a state in which a display unit is separated from a main body by performing wireless communication, and a wireless communication method thereof. To enable this, the terminal includes a main body generating and transmitting image data in response to an external input; a display unit mountable on or demountable from the main body, receiving the image data from the main body and displaying an image corresponding to the image data; and a wireless communication unit provided in each of the main body and the display unit, switching a wireless communication frequency band on the basis of a transmission rate of the image data and transmitting the image data to the display unit. | 03-22-2012 |
20120076074 | APPARATUS AND METHOD FOR ESTABLISHING CONTENTION WINDOW IN WIMEDIA WIRELESS NETWORK - There are provided an apparatus and a method for establishing a contention window in a WiMedia wireless network. The contention window establishing apparatus includes: a parsing unit extracting the number of devices that intend to transmit data from a beacon received during a beacon period and an access category (AC) of each device; a calculation unit calculating a transmission probability of each access category (AC) on the basis of the extracted number of devices; and a contention window establishing unit establishing a contention window for each access category (AC) on the basis of the calculated transmission probability, to reduce contentions among the devices and decrease data transmission latency time, thereby maximizing efficiency in data transmission latency time. | 03-29-2012 |
20120200459 | BEAM FORMING METHOD AND MULTIPLE ANTENNA SYSTEM USING THE SAME - Disclosed are a beam forming method and a multiple antenna system using the same. There is provided a multiple antenna system which forms optimal beam patterns through a transmission of a training sequence between a transmitter and a receiver, each including a plurality of antennas, the multiple antenna system comprising: a transmitter selecting antennas to be activated according to a level and transmitting the training sequence to a receiver through the selected antennas; a receiver selecting the antennas to be activated according to the level and transmitting to the transmitter an index of an optimal transmission weight vector significantly reducing a cost function based on the training sequence transmitted from the transmitter, wherein the transmitter selects antennas so that the beam patterns formed by the antennas selected at a q-th level (q: the index of the level) include the beam patterns formed by the antennas selected at a q+1-th level. As a result, the transmission frequency of the training sequence may be reduced. | 08-09-2012 |
20120201314 | APPARATUS AND METHOD FOR REDUCING PEAK TO AVERAGE POWER RATIO THROUGH RECOMBINATION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYMBOL - There are provided an apparatus and a method for reducing a peak to average power ratio (PAPR) through the recombination of an orthogonal frequency division multiplexing (OFDM) symbol. The apparatus includes an orthogonal frequency division multiplexing (OFDM) symbol transforming unit sequentially transforming an OFDM symbol in a time domain obtained through an inverse fast Fourier transform (IFFT) to generate a plurality of OFDM symbols; a peak power measuring unit measuring peak powers of each of the OFDM symbol and the plurality of OFDM symbols generated therefrom; and an OFDM symbol selecting unit selecting an OFDM symbol having a minimum value among the measured peak powers as a candidate OFDM symbol to be transmitted and transmitting the selected candidate OFDM symbol, wherein the OFDM symbol transforming unit generates the plurality of OFDM symbols by (a) performing a process of rotating the OFDM symbol by a predetermined angle in a complex plane and performing cyclical shifting with respect to the rotated OFDM symbol and (b) repetitively performing process (a) with respect to the cyclically shifted OFDM symbol. Therefore, diversity is secured, whereby the PAPR may be reduced. | 08-09-2012 |
20120242158 | WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSCEIVER - Disclosed are a wireless power transmitter capable of transmitting power wirelessly according to an impedance of an output side and a wireless power transceiver. There are provided a wireless power transmitter and a wireless power transceiver including: a wireless power transmitting unit converting input power into a preset transmission power and transmitting the converted input power wirelessly; and a controlling unit controlling a transmission of the transmission power according to a level of output impedance of the transmission power output from the wireless power transmitting unit. | 09-27-2012 |
20120250495 | METHOD OF REDUCING RETRANSMISSION OF DATA FRAME AND RECEIVING NODE THEREFOR - A method of reducing a retransmission of a data frame and a receiving node therefor continuously receiving N data frames generated by encoding K source data packets by erasure coding. Errors in the received N data frames are checked, and an ACK message transmitted informing that the source data packets are capable of being restored, when the number (R) of data frames not containing errors is equal to or greater than the number (K) of source data packets. An ACK message including the number (X) of data frames for which retransmission is to be requested is transmitted when the number (R) of data frames not containing errors is less than the number (K) of source data packets, as a result of checking for errors in the received N data frames. Despite errors in some of the data frames, data may be restored without requesting the retransmission of data frames. | 10-04-2012 |
20140003412 | APPARATUS AND METHOD FOR ESTABLISHING CONTENTION WINDOW IN WIMEDIA WIRELESS NETWORK | 01-02-2014 |
20140333147 | WIRELESS POWER TRANSMISSION/RECEPTION APPARATUS AND METHOD - A wireless power transmission/reception apparatus includes a wireless power transmission unit. The transmission unit is configured to generate a wireless power signal to be transmitted, transmit the wireless power signal using magnetic resonance, receive a reflected wireless power signal from a wireless power reception unit, determine whether a load device is present, and transmit a further wireless power signal when it is determined that the load device is present in such a way that impedance and output power depending on variation in a distance to the load device are tracked, and wireless power is supplied to the load device in an optimized state. Accordingly, a separate transceiver module is not provided for the purpose of performing communication between a transmitting end and a receiving end, and a reception environment is automatically detected, thus enabling wireless power to be transmitted in an optimal wireless power transmission state. | 11-13-2014 |
Patent application number | Description | Published |
20110002084 | Chip-type electric double layer capacitor and method of manufacturing the same - A chip-type electric double layer capacitor includes: an exterior case including a housing space formed therein and formed of insulation resin; a first external terminal buried in the exterior case and including a first surface exposed to the housing space and a second surface exposed to the outside of the exterior case; a second external terminal buried in the exterior case and including a first surface exposed to the housing space and a second surface exposed to the outside of the exterior case; and an electric double layer cell disposed in the housing space so as to be electrically connected to the first surfaces of the first and second external terminals. | 01-06-2011 |
20110069426 | Electric double layer capacitor and method of manufacturing the same - An electric double layer capacitor (EDLC) includes an electric double layer cell and first and second external electrodes. The electric double layer cell includes a separator and at least one first polarizable electrode and at least one second polarizable electrode. The first and second external electrodes are formed at first and second side surfaces of the electric double layer cell facing each other, respectively. The first polarizable electrode includes a first current collection layer and a first active material layer formed on either surface of the first current collection layer facing the separator and the second polarizable electrode includes a second current collection layer and a second active material layer formed on either surface of the second current collection layer facing the separator. | 03-24-2011 |
20110102972 | Chip-type electric double layer capacitor cell and method of manufacturing the same - There is provided a chip-type electric double layer capacitor comprising: a resin case having a housing space provided therein and formed of insulating resin and first and second external terminals inserted into the resin case by insert injection molding. Each of the external terminals has a first portion exposed to an outer surface of the resin case for external contact and a second portion exposed to an inner surface of the housing space for internal contact. a sealing portion includes a groove portion provided in the resin case along a circumference of at least one of the first and second external terminals and a resin filling the groove portion. An electric double layer capacitor cell is mounted in the housing space and electrically connected to the second portion of the first and second external terminals. | 05-05-2011 |
20110128673 | Chip-type electric double layer capacitor and method of manufacturing the same - There is provided a chip-type electric double layer capacitor including: an exterior case having a housing space provided therein and formed of insulation resin; first and second external terminals buried in the exterior case, each having a plurality of first surfaces exposed to the housing space and a second surface exposed to an outside of the exterior case; and an electric double layer cell electrically connected to the plurality of first surfaces of the first and second external terminals exposed to the housing space. The chip-type electric double layer capacitor may be reduced in size and weight and increased in capacity. Also, the chip-type electric double layer capacitor allows for surface mounting without any additional structure and has low equivalent series resistance (ESR). | 06-02-2011 |
20110188169 | Electric double layer capacitor cell, electric double layer capacitor package having the same, and methods of manufacturing the same - There are provided an electric double layer capacitor cell, an electric double layer capacitor package having the same, and methods of manufacturing the same. An electric double layer capacitor cell according to an aspect of the invention may include: a plurality of electric double layer capacitor unit cells stacked upon each other, wherein each of the plurality of electric double layer capacitor unit cells includes first and second current collectors having first and second lead terminal portions, respectively, first and second electrodes provided on the first and second current collectors, respectively, and a separator provided between the first and second electrodes, and the first and second electrode lead terminal portions each are combined into one to provide first and second bonding portions being connected to external terminals provided to apply electricity to the electric double layer capacitor unit cells. | 08-04-2011 |
20110188171 | Electric double layer capacitor and method of manufacturing the same - There is provided an electric double layer capacitor and a method of manufacturing the same. The electric double layer capacitor includes first and second electrodes facing each other; and an ion-permeable separator interleaved between the first and second electrodes, wherein at least one of the first and second electrodes includes a metallic fiber being compressed to have pores therein and an electrode material filling the pores. The electric double layer capacitor has low equivalent series resistance (ESR) and high output density. Also, since the electrodes are formed to be thin, the electric double layer capacitor can be miniaturized. | 08-04-2011 |
20110197408 | Methods of manufacturing electric double layer capacitor cell and electric double layer capacitor and apparatus for manufacturing electric double layer capacitor cell - There are provided methods of manufacturing an electric double layer capacitor cell and an electric double layer capacitor and an apparatus for manufacturing an electric double layer capacitor cell. The method of manufacturing the electric double layer capacitor cell includes preparing first and second electrode sheets by printing electrode material onto conductive sheets, respectively, with the exception of regions to be provided as first and second terminal lead-out portions in the conductive sheets; punching the first and second electrode sheets so as to form a plurality of first and second unit electrodes, respectively, each first unit electrode having the first terminal lead-out portion and each second unit electrode having the second terminal lead-out portion; stacking the first and second electrode sheets with a separator interposed therebetween in order that the plurality of first and second unit electrodes are overlapped; and cutting the first and second electrode sheets being stacked into the first and second unit electrodes. | 08-18-2011 |
20120210549 | METHODS OF MANUFACTURING ELECTRIC DOUBLE LAYER CAPACITOR CELL AND ELECTRIC DOUBLE LAYER CAPACITOR - A method of manufacturing the electric double layer capacitor cell includes preparing first and second electrode sheets by printing electrode material onto conductive sheets, respectively, with the exception of regions to be provided as first and second terminal lead-out portions in the conductive sheets; punching the first and second electrode sheets so as to form a plurality of first and second unit electrodes, respectively, each first unit electrode having the first terminal lead-out portion and each second unit electrode having the second terminal lead-out portion; stacking the first and second electrode sheets with a separator interposed therebetween in order that the plurality of first and second unit electrodes are overlapped; and cutting the first and second electrode sheets being stacked into the first and second unit electrodes. | 08-23-2012 |
20120297594 | METHOD OF MANUFACTURING CHIP-TYPE ELECTRIC DOUBLE LAYER CAPACITOR - A method of manufacturing a chip-type electric double layer capacitor, including: forming a lower case having an opened housing space and first and second external terminals buried therein, the first and second external terminals having first surfaces exposed to the housing space, respectively, and second surfaces exposed to an outer region of the lower case, respectively; mounting an electric double layer capacitor cell in the housing space such that the electric double layer capacitor cell is electrically connected to the first surfaces of the first and second external terminals exposed to the housing space; and mounting an upper cap on the lower case so as to cover the housing space. | 11-29-2012 |
20140233155 | CHIP-TYPE ELECTRIC DOUBLE LAYER CAPACITOR CELL AND METHOD OF MANUFACTURING THE SAME - A chip-type electric double layer capacitor includes: a resin case having a housing space provided therein and formed of insulating resin; first and second external terminals inserted into the resin case by insert injection molding, each having a first portion exposed to an outer surface of the resin case for external contact and a second portion exposed to an inner surface of the housing space for internal contact; a sealing portion including a groove portion provided in the resin case along a circumference of at least one of the first and second external terminals and a resin filling the groove portion; and an electric double layer capacitor cell mounted in the housing space and electrically connected to the second portion of the first and second external terminals. | 08-21-2014 |
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 |
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 |
20120154091 | INTEGRATED ELECTROMAGNETIC INTERFERENCE FILTER - Disclosed is an integrated electromagnetic interference filter capable of providing a leakage inductance sufficient to filter the differential mode electromagnetic interference by integrating four inductors for interference filtering in one core structure and controlling the coupling degree between the four inductors for interference filter. | 06-21-2012 |
20120319614 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a winding part including a pipe shaped body part having a plurality of coils wound therearound and flange parts extended from both ends of the body part in an outer diameter direction thereof; and a core coupled to the winding part, wherein a flange part formed at one end of the body part includes at least one lead groove, and the coils are led to the outside of the winding part through the at least one lead groove. | 12-20-2012 |
20120320504 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a bobbin including a plurality of partitioned spaces; and a plurality of coils wound and stacked in the plurality of partitioned spaces, wherein the respective coils are wound so as to be disposed in the plurality of partitioned spaces, and at least one of the coils is a multi-insulated coil. | 12-20-2012 |
20120320505 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a bobbin including at least one partition wall formed on an outer peripheral surface of a pipe shaped body part thereof; a plurality of coils wound and stacked on the body part; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the respective coils are disposed in a plurality of spaces partitioned by the at least one partition wall. | 12-20-2012 |
20130002386 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer capable of significantly reducing leakage inductance while satisfying safety standards. The transformer includes: a winding part having a plurality of coils wound on an outer peripheral surface of a pipe shaped body part while being stacked thereon; and a terminal connection part extended from one end of the winding part in an outer diameter direction thereof and having a plurality of external connection terminals coupled to a distal end thereof, the terminal connection part including at least one catching groove formed such that the coils are led to the outside of the winding part therethrough, and a lead wire of at least one of the coils being led to the outside of the winding part while maintaining a winding direction of the coils. | 01-03-2013 |
20130154782 | COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME - There are provided a coil component and a method of manufacturing the same. The coil component includes a core; at least one bobbin coupled to the core and having a coil wound therearound; and a base having the core seated therein and including an external connection terminal, wherein one side of the core is seated in the bobbin and the other side thereof is exposed to the outside of the base. | 06-20-2013 |
20130170085 | POWER SUPPLY APPARATUS INCLUDING OVERVOLTAGE PROTECTION FUNCTION - There is provided a power supply apparatus including an overvoltage protection function, the power supply apparatus including: a power supply unit supplying a predetermined input power supply; a rectification unit generating a first power supply by rectifying the input power supply; a main circuit unit generating a second power supply from the first power supply; and an overvoltage blocking unit blocking overvoltages and overcurrents, wherein the overvoltage blocking unit includes varistors connected between at least one of a live line and a neutral line of the input power supply and a ground. | 07-04-2013 |
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 |
20140001976 | COIL COMPONENT AND DISPLAY DEVICE INCLUDING THE SAME | 01-02-2014 |
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 |
20140265912 | COIL COMPONENT AND ELECTRONIC DEVICE HAVING THE SAME - There is provided a coil component capable of minimizing mutual interference while disposing a plurality of coil parts in a single component. According to an embodiment of the present invention, the coil component includes: a bobbin part including two body parts disposed in parallel, the two body parts having coils wound therearound; and a core including two inner legs inserted into the body parts and two outer legs disposed outwardly of the body parts, the inner legs and the outer legs having the same cross sectional area. | 09-18-2014 |
Patent application number | Description | Published |
20080315789 | Light emitting diode driving circuit and light emitting diode array device - There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle junction points between a first junction point and a second junction point, where n denotes an integer satisfying n≧2, (n+1) number of second branches connected in parallel with one another by n number of second middle junction points between the first junction point and the second junction point, the (n+1) number of second branches connected in parallel with the first branches; and n number of middle branches connecting the first and second middle junction points of an identical m sequence to each other, respectively, wherein each of the first and second, and middle branches comprises at least one LED device. | 12-25-2008 |
20090322241 | AC DRIVEN LIGHT EMITTING DEVICE - An alternating current (AC) driven light emitting device includes a substrate, K number of first light emitting diode (LED) cells arranged in a row on a top surface of the substrate, where K is an integer satisfying K≧3, K number of second LED cells arranged in a row parallel to the row of the first LED cells on the top surface of the substrate, and (K−1) number of third LED cells arranged in a row between the respective rows of the first and second LED cells on the top surface of the substrate. The AC driven light emitting device has a connection structure between LED cells to be operable at an AC. | 12-31-2009 |
20100027088 | SPACE SCANNER FOR SELF-CONTROL MOVING OBJECT - Provided is a space scanner for a self-control moving object. The space scanner has a structure in which a reflective mirror is rotated and tilted. Thus, the space scanner can scan a moving object in horizontal and vertical directions to secure spatial-data, thereby performing a self-control movement. | 02-04-2010 |
20100118362 | THREE-DIMENSIONAL SPACE SCANNER - A three-dimensional space scanner is configured so that a reflecting mirror is rotated and tilted so as to scan a mobile object in a horizontal as well as vertical direction, thereby obtaining spatial data. | 05-13-2010 |
20110298382 | LIGHT EMITTING DIODE DRIVING CIRCUIT AND LIGHT EMITTING DIODE ARRAY DEVICE - There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle junction points between a first junction point and a second junction point, where n denotes an integer satisfying n≧2, (n+1) number of second branches connected in parallel with one another by n number of second middle junction points between the first junction point and the second junction point, the (n+1) number of second branches connected in parallel with the first branches; and n number of middle branches connecting the first and second middle junction points of an identical m sequence to each other, respectively, wherein each of the first and second, and middle branches comprises at least one LED device. | 12-08-2011 |
20120007499 | AC DRIVEN LIGHT EMITTING DEVICE - An alternating current (AC) driven light emitting device includes a substrate, K number of first light emitting diode (LED) cells arranged in a row on a top surface of the substrate, where K is an integer satisfying K≧3, K number of second LED cells arranged in a row parallel to the row of the first LED cells on the top surface of the substrate, and (K−1) number of third LED cells arranged in a row between the respective rows of the first and second LED cells on the top surface of the substrate. The AC driven light emitting device has a connection structure between LED cells to be operable at an AC. | 01-12-2012 |
20120235584 | AC DRIVEN LIGHT EMITTING DEVICE - An alternating current (AC) driven light emitting device includes a substrate, K number of first light emitting diode (LED) cells arranged in a row on a top surface of the substrate, where K is an integer satisfying K≧3, K number of second LED cells arranged in a row parallel to the row of the first LED cells on the top surface of the substrate, and (K−1) number of third LED cells arranged in a row between the respective rows of the first and second LED cells on the top surface of the substrate. The AC driven light emitting device has a connection structure between LED cells to be operable at an AC. | 09-20-2012 |
Patent application number | Description | Published |
20090146132 | NITRIDE SEMICONDUCTOR DEVICE - There is provided a nitride semiconductor device including: an n-type nitride semiconductor layer; a p-type nitride semiconductor layer; and an active layer formed between the n-type and p-type nitride semiconductor layers, the active layer including a plurality of quantum well layers and at least one quantum barrier layer deposited alternately with each other, wherein the active layer includes a first quantum well layer, a second quantum well layer formed adjacent to the first quantum well layer toward the p-type nitride semiconductor layer and having a quantum level higher than a quantum level of the first quantum well layer, and a tunneling quantum barrier layer formed between the first and second quantum well layers and having a thickness enabling a carrier to be tunneled therethrough. | 06-11-2009 |
20100080257 | NITRIDE SEMICONDUCTOR DEVICE - A nitride semiconductor device include an n-type nitride semiconductor layer; a p-type nitride semiconductor layer; and an active layer formed between the n-type and p-type nitride semiconductor layers. The active layer has an alternately-layered structure of a plurality of quantum well layers and a plurality of quantum barrier layers, each alternately stacked on each of the quantum well layers. The alternately-layered structure includes a unit multi-layer structure and a thick quantum barrier well. The unit multi-layer structure includes a first quantum well layer, a second quantum well layer formed, a tunneling quantum barrier layer and a crystal quality-improving layer. The thick quantum barrier well may be formed adjacent to the first and second quantum well layers, with a thickness thereof greater than that of the first and second quantum well layers. | 04-01-2010 |
20100176374 | NITRIDE SEMICONDUCTOR DEVICE - A nitride semiconductor device according to an aspect of the invention may include: first and second conductive nitride semiconductor layers; and an active layer having a DH structure located between the first and second conductive nitride semiconductor layers, and including a single quantum well structure active layer having the single quantum well structure includes at least one polarization relaxation layer formed of a nitride single crystal having a higher energy band gap than the quantum well. | 07-15-2010 |
20100210051 | FACET EXTRACTION LED AND METHOD FOR MANUFACTURING THE SAME - A facet extraction LED improved in light extraction efficiency and a manufacturing method thereof. A substrate is provided. A light emitting part includes an n-type semiconductor layer, an active layer and a p-type semiconductor layer sequentially stacked on the substrate. A p-electrode and an n-electrode are connected to the p-type semiconductor layer and the n-type semiconductor layer, respectively. The p- and n-electrodes are formed on the same side of the LED. The light emitting part is structured as a ring. | 08-19-2010 |
20110186815 | NITRIDE SEMICONDUCTOR DEVICE - There is provided a nitride semiconductor device including: an n-type nitride semiconductor layer; a p-type nitride semiconductor layer; and an active layer formed between the n-type and p-type nitride semiconductor layers, the active layer including a plurality of quantum well layers and at least one quantum barrier layer deposited alternately with each other, wherein the active layer includes a first quantum well layer, a second quantum well layer formed adjacent to the first quantum well layer toward the p-type nitride semiconductor layer and having a quantum level higher than a quantum level of the first quantum well layer, and a tunneling quantum barrier layer formed between the first and second quantum well layers and having a thickness enabling a carrier to be tunneled therethrough. | 08-04-2011 |
20110300652 | NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME - There is provided a nitride semiconductor light emitting device and a manufacturing method of the same. The nitride semiconductor light emitting device including: a substrate for growing a nitride single crystal, the substrate having electrical conductivity; a p-type nitride semiconductor layer formed on the substrate; an active layer formed on the p-type nitride semiconductor layer, the active layer including a plurality of quantum barrier layers and a plurality of quantum well layers deposited alternately on each other; an n-type nitride semiconductor layer formed on the active layer; a p-electrode formed on a bottom of the substrate; and an n-electrode formed on a top of the n-type nitride semiconductor layer. | 12-08-2011 |
Patent application number | Description | Published |
20100213490 | SEALING COMPOSITION FOR LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE INCLUDING THE SAME - According to an aspect of the present invention, there is provided a sealing composition for a light emitting device, the sealing composition including: a silicone/epoxy compound resin including a silicone resin having at least one silicon atom-bonded hydroxyl group and an epoxy resin having at least one oxirane group while the hydroxyl group of the silicone resin and the oxirane group of the epoxy resin are chemically bound to each other. | 08-26-2010 |
20100283382 | White light emitting device - A white light emitting device including: a blue light emitting diode (LED); a green silicate phosphor formed on the blue LED; and a red sulfide phosphor with a surface coated with a silicone oxide layer, the red sulfide phosphor formed on the blue LED. | 11-11-2010 |
20110007228 | WHITE LIGHT EMITTING DEVICE - A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED. | 01-13-2011 |
20110195531 | APPARATUS AND METHOD FOR EVALUATING OPTICAL PROPERTIES OF LED AND METHOD FOR MANUFACTURING LED DEVICE - An optical property evaluation apparatus includes: a light conversion filter converting light emitted from an LED chip or a bare LED package, which is to be evaluated, into a different wavelength of light, and emitting a specific color of light; and an optical property measurement unit receiving the specific color of light emitted from the light conversion filter and measuring the optical properties of the received light. | 08-11-2011 |
20110249424 | LIGHT EMITTING DEVICE PACKAGE, BACKLIGHT UNIT, DISPLAY DEVICE AND LIGHTING DEVICE - There is provided a light emitting device package including: a package body providing a chip mounting area and including first and second lead terminals; an LED chip mounted on the chip mounting area and electrically connected to the first and second lead terminals; a groove portion disposed around the LED chip in the chip mounting area; and a wavelength conversion portion formed of a resin containing a wavelength conversion material with which to enclose the LED chip and having an outer shape defined by the groove portion. | 10-13-2011 |
20110266584 | WHITE LIGHT EMITTING DIODE WITH YELLOW, GREEN AND RED LIGHT EMITTING PHOSPHORS - Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light. | 11-03-2011 |
20110303940 | LIGHT EMITTING DEVICE PACKAGE USING QUANTUM DOT, ILLUMINATION APPARATUS AND DISPLAY APPARATUS - There is provided a light emitting device package using a quantum dot, an illumination apparatus and a display apparatus. The light emitting device package includes a light emitting device; a sealing part disposed in a path of light emitted from the light emitting device and having a lens shape; and a wavelength conversion part sealed within the sealing part and including a quantum dot. The light emitting device package uses the quantum dot as the wavelength conversion part to thereby achieve superior color reproducibility and light emission efficiency, and facilitates the control of color coordinates by adjusting the particle size and concentration of the quantum dot. | 12-15-2011 |
20120074438 | METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE, LIGHT EMITTING ELEMENT SUBSTRATE, AND QUALITY MANAGEMENT METHOD - A method for manufacturing a light emitting device includes forming a plurality of light emitting elements on a light emitting element substrate. an identification portion is formed on each of the light emitting elements to allow a pertinent light emitting element to be distinguishable from other light emitting elements. The light emitting elements are separated to form a plurality of light emitting devices. The identification portion may have an external appearance allowing each of the light emitting elements to be distinguishable from the other light emitting elements. | 03-29-2012 |
20120112229 | LIGHT EMITTING DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - A light emitting device package includes: first and second electrodes, at least a portion of a lower surface thereof being exposed; a light emitting device disposed on an upper surface of at least one of the first and second electrodes; a reflection wall disposed on the upper surface of the first and second electrodes and surrounding the light emitting device to form a mounting part therein; and a fluorescent film disposed on the reflection wall to cover an upper portion of the mounting part. The mounting part is filled with air. | 05-10-2012 |
20120274240 | WHITE LIGHT EMITTING DEVICE, DISPLAY APPARATUS AND ILLUMINATION APPARATUS - There is provided a white light emitting device including: a blue LED emitting blue light; a red phosphor excited by the blue light, emitting red light, and including a nitrogen (N)-containing compound; a yellow phosphor excited by the blue light and emitting yellow light; a first green phosphor excited by the blue light, emitting first green light having a first full width half maximum, and including a nitrogen (N)-containing compound; and a second green phosphor excited by the blue light and emitting second green light having a second full width half maximum larger than the first full width half maximum of the first green phosphor. | 11-01-2012 |
20130011948 | METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE AND PASTE APPLICATION APPARATUS USED FOR THE SAME - There are disclosed a method of manufacturing a semiconductor light emitting device and a paste application apparatus. The method includes preparing a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; disposing a mask including an opening exposing a part of the light emitting structure on the light emitting structure; applying a paste including a wavelength conversion material to the light emitting structure through the opening of the mask, by using a pressure means; and planarizing the applied paste by using a roller. | 01-10-2013 |
20130240934 | LIGHT EMITTING ELEMENT PACKAGE AND METHOD OF MANUFACTURING THE SAME - There is provided a light emitting element package including: a light emitting laminate having a structure in which semiconductor layers are laminated and having a first main surface and a second main surface opposing the first main surface; a terminal unit disposed on an electrode disposed on the second main surface; a molded unit disposed on the second main surface of the light emitting laminate and allowing a portion of the terminal unit to be exposed; and a wavelength conversion unit disposed on the first main surface of the light emitting laminate. | 09-19-2013 |
20140070238 | LIGHT EMITTING DEVICE PACKAGE FOR CONTROLLING LIGHT EMISSION FROM A SIDE SURFACE AND METHOD OF MANUFACTURING THE SAME - A light emitting device package includes a base including at least one recess, at least one light emitting device disposed within the recess, and a reflective wall filling a space between the light emitting device and the recess so as to surround lateral surfaces of the light emitting device. The recess is formed to have a depth ranging from 80% to 120% of a height of the light emitting device. | 03-13-2014 |
20140080230 | APPARATUS AND METHOD FOR EVALUATING OPTICAL PROPERTIES OF LED AND METHOD FOR MANUFACTURING LED DEVICE - An optical property evaluation apparatus includes: a light conversion filter converting light emitted from an LED chip or a bare LED package, which is to be evaluated, into a different wavelength of light, and emitting a specific color of light; and an optical property measurement unit receiving the specific color of light emitted from the light conversion filter and measuring the optical properties of the received light. | 03-20-2014 |
20140291705 | PHOSPHOR FILM, METHOD OF MANUFACTURING THE SAME, COATING METHOD OF PHOSPHOR LAYER, METHOD OF MANUFACTURING LED PACKAGE AND LED PACKAGE MANUFACTURED THEREBY - There are provided a phosphor film, a method of manufacturing the same, and a method of coating an LED chip with a phosphor layer. The phosphor film includes: a base film; a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material; and a cover film formed on the phosphor layer to protect the phosphor layer. | 10-02-2014 |
20150069454 | LIGHT EMITTING DEVICE PACKAGE - A light emitting device package includes: first and second electrodes, at least a portion of a lower surface thereof being exposed; a light emitting device disposed on an upper surface of at least one of the first and second electrodes; a reflection wall disposed on the upper surface of the first and second electrodes and surrounding the light emitting device to form a mounting part therein; and a fluorescent film disposed on the reflection wall to cover an upper portion of the mounting part. The mounting part is filled with air. | 03-12-2015 |
Patent application number | Description | Published |
20110025794 | Inkjet head and inkjet head assembly - There is provided an inkjet head including an inkjet head plate slantedly coupled to a cartridge supplying ink; a nozzle ejecting ink moving through a path formed inside the inkjet head plate, and formed at a flattened edge of the inkjet head plate contacting a printing medium; and an actuator provided on a surface of the inkjet head plate opposite to that coupled to the cartridge and controlling the ejection of the ink. | 02-03-2011 |
20110057995 | Inkjet head and inkjet head assembly having the same - There is provided an inkjet head and an inkjet head assembly having the same. The inkjet head includes an inkjet head plate having a plurality of nozzles ejecting ink provided therein; pressure chambers storing ink drawn in from both outer ends of the inkjet head plate in a width direction thereof and facing each other in a direction inwards of the width direction; piezoelectric elements supplying the pressure champers with driving force allowing ink to be ejected through the nozzles connected to the pressure chambers and disposed on the pressure chambers having membranes interposed therebetween; a pressure adjusting channel connecting the pressure chambers to adjust a pressure of ink ejected through the nozzles. | 03-10-2011 |
20130088545 | INKJET PRINT HEAD ASSEMBLY - There is provided an inkjet print head assembly. The inkjet print head assembly includes an inkjet print head, and a first coating layer formed on the inkjet print head, and absorbing and radiating heat generated in the inkjet print head. | 04-11-2013 |
20140104227 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a touch panel and a method for manufacturing the same, the touch panel including: a transparent substrate; a photosensitive ink layer patterned on the transparent substrate and having electric conductivity; and electrode patterns formed at corresponding positions on the patterned photosensitive ink layer, and the method including: preparing a transparent substrate; coating a photosensitive ink having electric conductivity on the transparent substrate to form a photosensitive ink layer; patterning the photosensitive ink layer; and forming electrode patterns on the patterned photosensitive ink layer. | 04-17-2014 |
20140124252 | TOUCH SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a touch sensor and a method of manufacturing the same. The touch sensor according to the preferred embodiment of the present invention includes; a transparent substrate; a first electrode formed on one surface of the transparent substrate; a first insulating layer formed on one surface of the first electrode and formed with a through-hole; and a second electrode formed on one portion of one surface of the insulating layer, wherein the first electrode is extendedly formed to the other portion of one surface of the insulating layer through the through-hole. | 05-08-2014 |
20140125624 | TOUCH SCREEN PANEL AND PORTABLE ELECTRONIC APPARATUS HAVING THE SAME - Disclosed herein are a touch screen panel and a portable electronic apparatus having the same. The touch screen panel includes: a cover layer having an outer surface touched by a touch unit and an inner surface, which is an opposite surface to the outer surface; a first scattering layer formed on an inner surface of the cover layer to scatter light passing through the cover layer; an electrode pattern spaced apart from the first scattering layer and formed as a predetermined fine pattern so that capacitance around a touch point at which the touch unit touches the outer surface is changed; and a second scattering layer formed between the first scattering layer and the electrode pattern to scatter light. | 05-08-2014 |
20140184934 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a touch panel, including: a window substrate divided into an active area and a non-active area surrounding the active area; an electrode part having an electrode bezel pattern formed of a bezel ink in the active area of the window substrate and an electrode pattern integrally formed on one surface of the electrode bezel pattern; and a bezel part formed of the bezel ink in the non-active area of the window substrate, to surround the electrode part. | 07-03-2014 |
Patent application number | Description | Published |
20080271307 | METHOD OF MANUFACTURING CRYSTAL UNIT - There is provided a method of manufacturing a crystal unit, the method including: providing a package wafer including a plurality of connecting terminals each having top and bottom ends exposed to top and bottom surfaces of the package wafer; mounting a crystal blank having an excitation electrode formed thereon on at least one of the connecting terminals of the package wafer; depositing and bonding a cap wafer having a cavity with an open bottom therein on the top surface of the package wafer where the crystal blanks are mounted; and cutting bonding portions between the package wafer and the cap wafer into a plurality of individual crystal units. The crystal unit is reduced in thickness and size, and can be manufactured in mass production and packaged in a single process, thereby increasing lead time and process efficiency. | 11-06-2008 |
20090013519 | METHOD FOR MANUFACTURING CRYSTAL DEVICE - A method for manufacturing a crystal device is provided. The method includes providing a package wafer including a plurality of internal and external connection terminals each having top and bottom ends respectively exposed to top and bottom surfaces of the package wafer; forming a height control member on the top end of the internal and external connection terminal and bonding one end of a crystal blank including an excitation electrode on the height control member; placing a bottom surface of a cap wafer having a cavity, which is open downward, on the top surface of the package wafer to which the crystal blank is mounted, and anodically bonding the package wafer with the cap wafer; and cutting the package wafer and the cap wafer in a direction across a bonding line formed by the bonding of the package wafer and the cap wafer to provide a plurality of crystal resonator that are individually separated. | 01-15-2009 |
20090053439 | FILM TYPE ANTENNA, CASE STRUCTURE, AND METHOD OF MANUFACTURING THE SAME - There are provided a film type antenna, a case structure using the same, and a method of manufacturing the same. A film type antenna according to aspect of the invention may include: a first polymer film; a decorative layer provided on one surface of the first polymer film; a second polymer film stacked on the decorative layer and having one surface in contact with the decorative layer; and an antenna pattern provided on the other surface of the second polymer film. | 02-26-2009 |
20100079038 | PIEZOELECTRIC VIBRATOR AND ELECTRODE STRUCTURE OF PIEZOELECTRIC VIBRATOR - Provided are a piezoelectric vibrator and an electrode structure of the piezoelectric vibrator. The piezoelectric vibrator includes a piezoelectric material vibrating according to an electric signal, first and second electrode structures formed on the upper surface and the undersurface of the piezoelectric material, and including first to fourth layers sequentially stacked thereon, respectively. The first and third layers are formed of an alloy including Cr. The second and fourth layers are formed of Ag or an alloy including Ag. | 04-01-2010 |
20110316392 | PIEZOELECTRIC RESONATOR AND ELECTRODE STRUCTURE THEREOF - There are provided an electrode structure of a piezoelectric resonator and a piezoelectric resonator including the same. The piezoelectric resonator includes: a piezoelectric plate vibrated by an electrical signal; and first and second electrodes having first to fourth layers stacked on both surfaces thereof, wherein the first and third layers are made of at least one selected from the group consisting of Ti, Ni, Cr, an alloy including Ti and an alloy including Cr and the second and fourth layers are made of Ag or an alloy including Ag. | 12-29-2011 |
20130154790 | CHIP RESISTOR AND METHOD OF MANUFACTURING THE SAME - There is provided a chip resistor including a ceramic substrate; a first resistance layer formed on the ceramic substrate and including a first conductive metal and a first glass; and a second resistance layer formed on the first resistance layer, including a second conductive metal and a second glass, and having a smaller content of glass than the first resistance layer, thereby obtaining relatively low resistance and a relatively small temperature coefficient of resistance (TCR). | 06-20-2013 |
20140048315 | TOUCH PANEL - Disclosed herein is a touch panel including: a transparent substrate; conductive patterns formed on the transparent substrate such that wavy lines thereof are spaced apart from each other and arranged in parallel with each other, each of the wavy lines having a sine wave form where first peaks and second peaks alternately continue along a length direction thereof; and connecting patterns formed on the transparent substrate, each of the connecting patterns electrically connecting between the wave lines, so that good visibility can be achieved even though electrodes and wirings are disposed in an active area of the transparent substrate, by forming uniform pattern of electrodes and wirings on the transparent substrate. | 02-20-2014 |
20140083750 | RAW GLASS PLATE FOR MANUFACTURING TOUCH PANEL AND METHOD OF MANUFACTURING TOUCH PANEL USING RAW GLASS PLATE - Disclosed herein are a raw glass plate for manufacturing a touch panel and a method of manufacturing a touch panel using the raw glass plate. The raw glass plate includes a unit substrate region divided into an active region and a non-active region that is an edge portion of the active region; electrodes formed on the active region of the unit substrate region; wirings that are formed on the non-active region of the unit substrate region and are electrically connected to the electrodes; and a guard line that is formed outside a position at which the wirings are formed, on the non-active region of the unit substrate region in a longitudinal direction of the wirings. | 03-27-2014 |
20140124341 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a touch panel including: a transparent substrate; and a bezel part including a white layer formed at one-side edge of the transparent substrate and a light-shielding layer formed on the white layer, wherein the bezel part has a narrow width and a thin thickness, thereby implementing a display screen larger than that of the other touch panels having the same exterior size and providing the touch panel including the white-colored bezel part having a thin thickness and a uniform and sufficient color. | 05-08-2014 |
20140174200 | TOUCH SENSOR - The touch sensor according to a preferred embodiment of the present invention includes: a transparent substrate; and an electrode formed on the transparent substrate in a mesh pattern, wherein the electrode has a line width of one side smaller than that of the other side in a thickness direction. | 06-26-2014 |
20140176821 | TOUCH PANEL AND FABRICATING METHOD THEREOF - Disclosed herein are a touch panel and a fabricating method thereof. In the touch panel according to an embodiment of the present invention, a noise shielding layer may be separately formed between a transparent substrate and an electrode pattern, thereby shielding noise that occur from a display coupled to the touch panel. In addition, through a bridge electrode pattern formed by patterning the noise shielding layer and a bridge insulating pattern patterned on an insulating layer formed on the noise shielding layer, a first electrode pattern and a second electrode pattern may be formed on the same plane of the transparent substrate so as to intersect with each other, thereby ensuring reliability of electrical connection between each electrode pattern. | 06-26-2014 |
20140184934 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a touch panel, including: a window substrate divided into an active area and a non-active area surrounding the active area; an electrode part having an electrode bezel pattern formed of a bezel ink in the active area of the window substrate and an electrode pattern integrally formed on one surface of the electrode bezel pattern; and a bezel part formed of the bezel ink in the non-active area of the window substrate, to surround the electrode part. | 07-03-2014 |
20140253822 | DISPLAY DEVICE INCLUDING TOUCH PANEL - Disclosed herein is a display device including a touch panel including: a touch panel including a window substrate and an electrode pattern formed on one surface of the window substrate and a display unit bonded to one surface of the touch panel, wherein a stopper is formed in a spaced space between the display unit and the electrode pattern facing each other. | 09-11-2014 |
20150015802 | TOUCH SENSOR - Disclosed herein is a touch sensor including: a window substrate; bezels formed along an edge of the window substrate; a first insulating layer stacked while being filled between the bezels to be formed on the window substrate; a second insulating layer applied or adhered onto the bezel and the first insulating layer; and an electrode pattern formed on the second insulating layer. | 01-15-2015 |
20150062449 | TOUCH PANEL - There is provided a touch panel including a substrate, and a plurality of electrodes formed on the substrate, wherein the plurality of electrodes may include a plurality of fine conductive lines formed in a mesh pattern, and the plurality of fine conductive lines may have different aperture ratios for a predetermined plurality of respective regions of the substrate. | 03-05-2015 |
Patent application number | Description | Published |
20110032150 | BEAMFORMING APPARATUS AND METHOD FOR MULTI-ANTENNA SYSTEM - A beamforming apparatus for a multi-antenna system includes a phase control unit including a plurality of phase shifters which respectively control the phases of signals according to a preset phase weight vector; a signal combination unit combining the signals outputted from the plurality of phase shifters; a frequency down converter down-converting the combined signal outputted from the signal combination unit into a baseband signal; an analog/digital (A/D) converter converting the baseband signal into a digital signal; and a radio frequency (RF) beamforming control unit providing a plurality of preset phase weight vectors to the phase control unit according to a preset application sequence, deciding a maximum signal-to-noise ratio (SNR) among a plurality of SNRs corresponding to the applied phase weight vectors by using the digital signal outputted from the A/D converter, and controlling the beamforming of the phase control unit by using the maximum SNR. | 02-10-2011 |
20110033015 | MULTI-ANTENNA SYSTEM USING ADAPTIVE BEAMFORMING - A multi-antenna system using adaptive beamforming includes a phase shift unit, a signal combination unit, a frequency down-converter, and an analog-to-digital (A/D) converter, and a beamforming control unit. The phase shift unit includes a plurality of phase shifters which shift the phases of signals received from a plurality of antennas. The signal combination unit combines phase-shifted signals output from the plurality of phase shifters. The frequency down-converter down-converts a signal output from the signal combination unit into a baseband signal. The A/D converter converts the baseband signal into a digital signal. The beamforming control unit searches for a weight vector higher than a preset threshold signal-to-noise ratio (SNR) when a reception SNR of the digital signal output from the A/D converter is lower than the threshold SNR, and changes a currently set weight vector into the searched weight vector to provide to the phase shift unit. | 02-10-2011 |
20110158220 | MEDIA ACCESS CONTROL METHOD IN WIRELESS NETWORK - A media access control method in a wireless network is provided. Each of devices in the wireless network determines one of a plurality of beacon slots within a beacon period as a beacon slot of the device. The devices in the wireless network determine a data transmission order in accordance with the slot numbers of the beacon slots of the devices in a reserved period of a data transmission period. Data is transmitted in the unreserved period in accordance with the determined data transmission order. | 06-30-2011 |
20120072620 | TERMINAL AND WIRELESS COMMUNICATION METHOD THEREOF - There are provided a terminal capable of selecting a suitable wireless module among a plurality of wireless modules depending on a situation and providing an optimal image even in a state in which a display unit is separated from a main body by performing wireless communication, and a wireless communication method thereof. To enable this, the terminal includes a main body generating and transmitting image data in response to an external input; a display unit mountable on or demountable from the main body, receiving the image data from the main body and displaying an image corresponding to the image data; and a wireless communication unit provided in each of the main body and the display unit, switching a wireless communication frequency band on the basis of a transmission rate of the image data and transmitting the image data to the display unit. | 03-22-2012 |
20120076074 | APPARATUS AND METHOD FOR ESTABLISHING CONTENTION WINDOW IN WIMEDIA WIRELESS NETWORK - There are provided an apparatus and a method for establishing a contention window in a WiMedia wireless network. The contention window establishing apparatus includes: a parsing unit extracting the number of devices that intend to transmit data from a beacon received during a beacon period and an access category (AC) of each device; a calculation unit calculating a transmission probability of each access category (AC) on the basis of the extracted number of devices; and a contention window establishing unit establishing a contention window for each access category (AC) on the basis of the calculated transmission probability, to reduce contentions among the devices and decrease data transmission latency time, thereby maximizing efficiency in data transmission latency time. | 03-29-2012 |
20120200459 | BEAM FORMING METHOD AND MULTIPLE ANTENNA SYSTEM USING THE SAME - Disclosed are a beam forming method and a multiple antenna system using the same. There is provided a multiple antenna system which forms optimal beam patterns through a transmission of a training sequence between a transmitter and a receiver, each including a plurality of antennas, the multiple antenna system comprising: a transmitter selecting antennas to be activated according to a level and transmitting the training sequence to a receiver through the selected antennas; a receiver selecting the antennas to be activated according to the level and transmitting to the transmitter an index of an optimal transmission weight vector significantly reducing a cost function based on the training sequence transmitted from the transmitter, wherein the transmitter selects antennas so that the beam patterns formed by the antennas selected at a q-th level (q: the index of the level) include the beam patterns formed by the antennas selected at a q+1-th level. As a result, the transmission frequency of the training sequence may be reduced. | 08-09-2012 |
20120201314 | APPARATUS AND METHOD FOR REDUCING PEAK TO AVERAGE POWER RATIO THROUGH RECOMBINATION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYMBOL - There are provided an apparatus and a method for reducing a peak to average power ratio (PAPR) through the recombination of an orthogonal frequency division multiplexing (OFDM) symbol. The apparatus includes an orthogonal frequency division multiplexing (OFDM) symbol transforming unit sequentially transforming an OFDM symbol in a time domain obtained through an inverse fast Fourier transform (IFFT) to generate a plurality of OFDM symbols; a peak power measuring unit measuring peak powers of each of the OFDM symbol and the plurality of OFDM symbols generated therefrom; and an OFDM symbol selecting unit selecting an OFDM symbol having a minimum value among the measured peak powers as a candidate OFDM symbol to be transmitted and transmitting the selected candidate OFDM symbol, wherein the OFDM symbol transforming unit generates the plurality of OFDM symbols by (a) performing a process of rotating the OFDM symbol by a predetermined angle in a complex plane and performing cyclical shifting with respect to the rotated OFDM symbol and (b) repetitively performing process (a) with respect to the cyclically shifted OFDM symbol. Therefore, diversity is secured, whereby the PAPR may be reduced. | 08-09-2012 |
20120250495 | METHOD OF REDUCING RETRANSMISSION OF DATA FRAME AND RECEIVING NODE THEREFOR - A method of reducing a retransmission of a data frame and a receiving node therefor continuously receiving N data frames generated by encoding K source data packets by erasure coding. Errors in the received N data frames are checked, and an ACK message transmitted informing that the source data packets are capable of being restored, when the number (R) of data frames not containing errors is equal to or greater than the number (K) of source data packets. An ACK message including the number (X) of data frames for which retransmission is to be requested is transmitted when the number (R) of data frames not containing errors is less than the number (K) of source data packets, as a result of checking for errors in the received N data frames. Despite errors in some of the data frames, data may be restored without requesting the retransmission of data frames. | 10-04-2012 |
20130016600 | NETWORK APPARATUS AND METHOD OF RETRANSMITTING FRAME USING THE SAMEAANM HWANG; Sung HoAACI SuwonAACO KRAAGP HWANG; Sung Ho Suwon KRAANM Park; Joun SupAACI SuwonAACO KRAAGP Park; Joun Sup Suwon KRAANM Kim; Ki HongAACI SuwonAACO KRAAGP Kim; Ki Hong Suwon KRAANM Park; Chul GyunAACI YonginAACO KRAAGP Park; Chul Gyun Yongin KRAANM Song; Tae WonAACI SeoulAACO KRAAGP Song; Tae Won Seoul KRAANM Pack; Sang HeonAACI SeoulAACO KRAAGP Pack; Sang Heon Seoul KR - There is provided a network apparatus capable of effectively retransmitting a frame in a frame aggregation environment, and a method of retransmitting a frame using the same. The network apparatus includes: a transmitting node broadcasting a plurality of data frames in a frame aggregation environment; a receiving node receiving the plurality of broadcast data frames and broadcasting a reception result; and at least one relay node receiving and storing at least a portion of the plurality of broadcast data frames and transmitting, together with the transmitting node, a data frame for which retransmission is required to the receiving node according to a calculated transmission success rate when the reception result from the receiving node is a retransmission request. | 01-17-2013 |
20130076570 | RF MODULE - There is provided an RF module performing radio communications and allowing for a significantly reduced distance between an antenna and a semiconductor chip. To this end, the RF module includes a semiconductor chip; and a substrate including an anntenna unit formed by a circuit pattern thereon, and having a surface on which the semiconductor chip is mounted to be electrically connected to the antenna unit. | 03-28-2013 |
20130084904 | APPARATUS AND METHOD FOR SUPER HIGH-SPEED WIRELESS COMMUNICATIONS - There are provided an apparatus and a method for super high-speed wireless communications. The apparatus includes a signal processor transmitting data to be transmitted through a predetermined super high-speed communications network when the super high-speed communications network is connected and transmitting data to be transmitted through a predetermined high-speed communications network when the super high-speed communications network is disconnected; a super high-speed wireless communications unit converting the data transmitted from the signal processor to a super high-speed wireless signal suitable for transmission through the super high-speed communications network; and a high-speed wireless communications unit converting the data transmitted from the signal processor to a high-speed wireless signal suitable for transmission through the high-speed communications network. | 04-04-2013 |
20130128802 | MULTI-RELAY TRANSMISSION APPARATUS AND METHOD USING INTERFERENCE ALIGNMENT - There are provided a multi-relay transmission apparatus and method. The multi-relay transmission apparatus includes: a source node repeatedly alternately performing a first phase in which preceding data is transmitted during a first transmission period equivalent to a transmission period during which unit frames are transmitted and a second phase in which subsequent data that follows the preceding data is transmitted during a second transmission period that follows the first transmission period; and a relay network including a plurality of relay nodes receiving data from the source node, in which, in the first phase, a predetermined relay node, among the plurality of relay nodes, receives the preceding data from the source node and the remaining relay nodes, among the plurality of relay nodes, and in the second phase, the remaining relay nodes receive the subsequent data from the source node. | 05-23-2013 |
20140333147 | WIRELESS POWER TRANSMISSION/RECEPTION APPARATUS AND METHOD - A wireless power transmission/reception apparatus includes a wireless power transmission unit. The transmission unit is configured to generate a wireless power signal to be transmitted, transmit the wireless power signal using magnetic resonance, receive a reflected wireless power signal from a wireless power reception unit, determine whether a load device is present, and transmit a further wireless power signal when it is determined that the load device is present in such a way that impedance and output power depending on variation in a distance to the load device are tracked, and wireless power is supplied to the load device in an optimized state. Accordingly, a separate transceiver module is not provided for the purpose of performing communication between a transmitting end and a receiving end, and a reception environment is automatically detected, thus enabling wireless power to be transmitted in an optimal wireless power transmission state. | 11-13-2014 |
Patent application number | Description | Published |
20100051898 | QUANTUM DOT-WAVELENGTH CONVERTER, MANUFACTURING METHOD OF THE SAME AND LIGHT EMITTING DEVICE INCLUDING THE SAME - There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part. | 03-04-2010 |
20100053930 | WAVELENGTH CONVERSION PLATE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength conversion plate having excellent luminous efficiency of a wavelength-converted light. The wavelength conversion plate includes a dielectric layer with nano pattern, a metal layer formed inside the nano pattern, and a wavelength conversion layer formed on the metal layer and having quantum dot or phosphor which wavelength-converts an excitation light to generate a wavelength-converted light. | 03-04-2010 |
20100084629 | QUANTUM DOT-METAL OXIDE COMPLEX, METHOD OF PREPARING THE SAME, AND LIGHT-EMITTING DEVICE COMPRISING THE SAME - Provided is a quantum dot-metal oxide complex including a quantum dot and a metal oxide forming a 3-dimensional network with the quantum dot. In the quantum dot-metal oxide complex, the quantum dot is optically stable without a change in emission wavelength band and its light-emitting performance is enhanced. | 04-08-2010 |
20110240960 | QUANTUM DOT-WAVELENGTH CONVERTER, MANUFACTURING METHOD OF THE SAME AND LIGHT EMITTING DEVICE INCLUDING THE SAME - There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part. | 10-06-2011 |
20120074449 | QUANTUM DOT-METAL OXIDE COMPLEX, METHOD OF PREPARING THE SAME, AND LIGHT-EMITTING DEVICE COMPRISING THE SAME - Provided is a quantum dot-metal oxide complex including a quantum dot and a metal oxide forming a 3-dimensional network with the quantum dot. In the quantum dot-metal oxide complex, the quantum dot is optically stable without a change in emission wavelength band and its light-emitting performance is enhanced. | 03-29-2012 |
20120193604 | WAVELENGTH CONVERSION PLATE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength conversion plate having excellent luminous efficiency of a wavelength-converted light. The wavelength conversion plate includes a dielectric layer with nano pattern, a metal layer formed inside the nano pattern, and a wavelength conversion layer formed on the metal layer and having quantum dot or phosphor which wavelength-converts an excitation light to generate a wavelength-converted light. | 08-02-2012 |
20140106278 | DRY FILM RESIST SHEET AND METHOD OF MANUFACTURING THE SAME - There is provided a dry film resist sheet, including: a base film; a first dry film resist layer formed on the base film, the first dry film resist layer containing a binder polymer, a multi-functional monomer, and a photoinitiator; and a second dry film resist layer formed on the first dry film resist layer, the second dry film resist layer containing a binder polymer, a multi-functional monomer, a photoinitiator, and a thermal initiator. | 04-17-2014 |
20140230992 | QUANTUM DOT-WAVELENGTH CONVERTER, MANUFACTURING METHOD OF THE SAME AND LIGHT EMITTING DEVICE INCLUDING THE SAME - There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part. | 08-21-2014 |
Patent application number | Description | Published |
20110141657 | CONDUCTIVE PASTE COMPOUND FOR EXTERNAL ELECTRODE, MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME, AND MANUFACTURING METHOD THEREOF - Provided are a conductive paste for an external electrode, a multilayer ceramic capacitor including the same, and a manufacturing method thereof. The conductive paste compound for an external electrode includes a first powder and a second powder. The first powder includes copper and has a mean grain size of 3 μm or less, and the second powder has a lower diffusion speed and a higher melting point than the copper and has a mean grain size of 180 nm or less. | 06-16-2011 |
20130182368 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND FABRICATION METHOD THEREOF - There is provided a multilayer ceramic electronic component including: a ceramic main body; a plurality of internal electrodes; and external electrodes formed on outer surfaces of the ceramic main body and electrically connected to the internal electrodes, wherein an average thickness of the external electrodes is 10 μm or less, and when a thickness of the external electrodes in a central portion of the ceramic main body in a thickness direction is Tc and a thickness of the external electrodes at a point spaced apart from a central portion of a capacitance formation region in a thickness direction by a distance equal to 25% of a thickness (S) of the capacitance formation region is T | 07-18-2013 |
20130182369 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND FABRICATION METHOD THEREOF - A multilayer ceramic electronic component includes: a ceramic main body; a plurality of internal electrodes laminated within the ceramic main body; and external electrodes formed on outer surfaces of the ceramic main body and electrically connected to the internal electrodes, wherein an average thickness of the external electrodes is 10 μm or less, and when a thickness of the external electrodes in a central portion of the ceramic main body in a width direction is Tc and a thickness of the external electrodes at a lateral edge of a printed surface region of the internal electrodes is T | 07-18-2013 |
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 |
20140002949 | MULTILAYER CERAMIC ELECTRONIC COMPONENT | 01-02-2014 |
20140002950 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF FABRICATING THE SAME | 01-02-2014 |
20140085852 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a multilayer ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes formed on at least one surfaces of the dielectric layers and alternately exposed through both end surfaces of the ceramic body in a length direction of the ceramic body; a first acoustic noise absorption layer formed on one surface of the ceramic body in a stacking direction of the dielectric layers and having a thickness of 3 μm to 500 μm; first and second external electrodes formed on both end surfaces of the ceramic body and electrically connected to exposed portions of the first and second internal electrodes; and a printed circuit board having the first and second external electrodes mounted thereon while facing the first acoustic noise absorption layer. | 03-27-2014 |
20140111300 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - There is provided a method of manufacturing a multilayer ceramic electronic component including: preparing a ceramic body including internal electrodes; forming electrode layers including at least one conductive metal selected from a group consisting of copper (Cu), silver (Ag), palladium (Pd), and platinum (Pt), an alloy thereof, or a coating material and electrically connected to the internal electrodes on external surfaces of the ceramic body; forming nickel (Ni) layers on external surfaces of the electrode layers by a firing method; and forming tin (Sn) layers on external surfaces of the nickel (Ni) layers by a firing method. | 04-24-2014 |
20140233148 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a multilayer ceramic electronic component, including: a ceramic body having internal electrodes formed therein; external electrodes formed on external surfaces of the ceramic body and connected to the internal electrodes; and buffer layers formed on contact surfaces between the internal electrodes and the external electrodes, among external surfaces of the ceramic body, in an interior direction of the ceramic body, wherein when a thickness of the internal electrode is denoted by Te, a number of laminated internal electrodes is denoted by N, a thickness of the buffer layer is denoted by t, and a width of a margin of the ceramic body in a length direction of the ceramic body is denoted by L, Te≦0.6 μm, N>200, and 3 μm≦t08-21-2014 | |
20140233149 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a multilayer ceramic electronic component including a ceramic body having internal electrodes formed therein, external electrodes formed on external surfaces of the ceramic body and connected to the internal electrodes, and a buffer layer formed on surfaces of contact between the internal electrodes and the external electrodes among external surfaces of the ceramic body, in an interior direction of the ceramic body, wherein when a thickness of the external electrode is denoted by T, a thickness of the buffer layer is denoted by t, a thickness of an active region is denoted by T | 08-21-2014 |
20140290999 | MULTILAYER CERAMIC CAPACITOR, METHOD OF FABRICATION THEREOF AND CIRCUIT BOARD HAVING ELECTRONIC COMPONENT MOUNTED THEREON - There is provided a multilayer ceramic capacitor including a ceramic body including a plurality of dielectric layers and having first and second main surfaces opposing each other, first and second side surfaces opposing each other, and first and second end surfaces opposing each other, a plurality of internal electrodes having the dielectric layer interposed therebetween, electrode layers formed on the first and second end surfaces of the ceramic body and electrically connected to the plurality of internal electrodes, and an impact absorption layer formed on the electrode layer so that an edge thereof is exposed. | 10-02-2014 |
20150041193 | MULTILAYER CERAMIC CAPACITOR AND BOARD HAVING THE SAME MOUNTED THEREON - There is provided a multilayer ceramic capacitor including: a ceramic body; an active layer disposed in the ceramic body and including first internal electrodes each having a first lead part exposed to at least one of the first and second side surfaces, and second internal electrodes each having a second lead part exposed to the at least one of the first and second side surfaces, thereby forming capacitance; an upper cover layer formed on an upper portion of the active layer in the thickness direction; a lower cover layer formed on a lower portion of the active layer in the thickness direction and having a thickness greater than that of the upper cover layer; a first external; and a second external electrode. | 02-12-2015 |
20150041194 | MULTILAYER CERAMIC ELECTRONIC COMPONENT, MANUFACTURING METHOD THEREOF AND BOARD FOR MOUNTING THE SAME - There is provided a multilayer ceramic electronic component including a ceramic body including a plurality of dielectric layers stacked in a thickness direction and satisfying T/W>1.0 when it is defined that a width thereof is W and a thickness thereof is T, a plurality of first and second internal electrodes disposed in the ceramic body so as to face each other, having the dielectric layer interposed therebetween, and alternately exposed through both end surfaces of the ceramic body, and first and second external electrodes including head parts formed on both end surfaces of the ceramic body and two band parts connected to the head parts and formed on portions of upper and lower main surfaces of the ceramic body so as to be spaced apart from each other in a width direction, and electrically connected to the first and second internal electrodes, respectively. | 02-12-2015 |
Patent application number | Description | Published |
20110025794 | Inkjet head and inkjet head assembly - There is provided an inkjet head including an inkjet head plate slantedly coupled to a cartridge supplying ink; a nozzle ejecting ink moving through a path formed inside the inkjet head plate, and formed at a flattened edge of the inkjet head plate contacting a printing medium; and an actuator provided on a surface of the inkjet head plate opposite to that coupled to the cartridge and controlling the ejection of the ink. | 02-03-2011 |
20110032309 | Inkjet head, method of manufacturing the same, and electrical connection device therefor - An inkjet head according to an aspect of the invention may include: an inkjet head body having an ink chamber provided therein and an electrode portion provided on a surface thereof adjacent to the ink chamber; a piezoelectric actuator being mounted on the surface of the inkjet head body so that the piezoelectric actuator is electrically connected to the electrode portion; and a substrate being pressed using a bonding tool so that the substrate is electrically connected to the electrode portion and the piezoelectric actuator, arranged in different planes, through a conductive adhesive. | 02-10-2011 |
20110057995 | Inkjet head and inkjet head assembly having the same - There is provided an inkjet head and an inkjet head assembly having the same. The inkjet head includes an inkjet head plate having a plurality of nozzles ejecting ink provided therein; pressure chambers storing ink drawn in from both outer ends of the inkjet head plate in a width direction thereof and facing each other in a direction inwards of the width direction; piezoelectric elements supplying the pressure champers with driving force allowing ink to be ejected through the nozzles connected to the pressure chambers and disposed on the pressure chambers having membranes interposed therebetween; a pressure adjusting channel connecting the pressure chambers to adjust a pressure of ink ejected through the nozzles. | 03-10-2011 |
20110063360 | Inkjet print head and method of measuring temperature thereof - An inkjet print head includes a plurality of pressure chambers receiving and storing ink which is to be discharged to a nozzle, a piezoelectric body interposing a membrane with the pressure chamber, the piezoelectric body providing a driving force for discharging ink to each of the pressure chambers, and a measuring unit measuring capacitance of the piezoelectric body so that a temperature of ink being discharged to the nozzle is measured. | 03-17-2011 |
20110141199 | Inkjet head assembly - An inkjet head assembly includes: a tank head having an ink channel formed therein; an inkjet head disposed in the tank head to jet ink introduced through the ink channel; and a mass disposed on the inkjet head and applying a weight to control vibrations when ink is jetted from the inkjet head. | 06-16-2011 |
20110164087 | Apparatus for cleaning inkjet print head - An apparatus for cleaning an inkjet print head includes: a cleaning plate disposed to correspond to an inkjet print head with an ink flow space interposed therebetween; and a pneumatic device installed in the ink flow space and removing ink in a direction different from a direction in which ink is discharged by changing a fluid pressure of the ink remaining at a nozzle of the inkjet print head. | 07-07-2011 |
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 |
20110279551 | Inkjet print head and inkjet printer including the same - There is provided an inkjet print head that includes: an inkjet head plate with a plurality of head cells including ink passages where introduced ink is ejected through a nozzle by passing through a pressure chamber; and a piezoelectric actuator formed on the top of the inkjet head plate and formed at a position corresponding to the pressure chamber, wherein the area of at least one of the pressure chamber and the piezoelectric actuator is changed to make ejection characteristics of the ink ejected from the plurality of head cells uniform. | 11-17-2011 |
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 |
20140078224 | INKJET PRINT HEAD - There is provided an inkjet print head, including: a first pressure chamber connected to a first common channel; a second pressure chamber connected to a second common channel; a connection channel connecting the first pressure chamber to the second pressure chamber; and a nozzle formed in the first pressure chamber or the second pressure chamber. | 03-20-2014 |
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 |
20150041930 | ACOUSTIC TRANSDUCER - There is provided an acoustic transducer including: a substrate formed to have a hollow part through which acoustic waves are input; a diaphragm formed on the substrate and covering the hollow part; and a back plate disposed so as to cover at least a portion of the diaphragm, wherein a ring-shaped groove extended along an edge of the diaphragm is formed in the substrate. | 02-12-2015 |
20150076629 | MICROPHONE - There is provided a microphone including: a thin film member including leg members extended in a direction not in parallel with a vibration direction; first supports supporting first points of the leg members, respectively; and a piezoelectric member connected to second points of the leg members and converting vibrations of the thin film member into electrical signals. | 03-19-2015 |