Patent application number | Description | Published |
20090206830 | SENSOR FOR DETECTING SURFACE DEFECTS OF METAL TUBE USING EDDY CURRENT METHOD - Disclosed herein is a sensor for detecting surface defects of a metal tube, which can solve a problem of a conventional eddy current probe in that it is difficult to detect a crack in the circumferential direction of a metal tube. | 08-20-2009 |
20100244591 | Method and apparatus for monitoring wall thinning of a pipe using magnetostrictive transducers and variation of dispersion characteristics of broadband multimode shear horizontal (SH) waves - Magnetostrictive transducers for monitoring wall thinning in a pipe, and an apparatus and method for monitoring wall thinning in a pipe using magnetostrictive transducers are provided. The magnetostrictive transducers generate broadband multimode shear horizontal (SH) waves, and allow the generated SH waves to travel along the pipe, thus correctly monitoring a status of the wall thinning of the pipe. The apparatus includes a transmitting transducer which is installed outside of a pipe and generates shear horizontal (SH) waves traveling along the pipe, a receiving transducer which is spaced apart from the transmitting transducer and measures the shear horizontal (SH) waves traveling along the pipe, and a controller for monitoring wall thinning of the pipe by exciting and measuring output signals of the transmitting and receiving transducers. | 09-30-2010 |
20130135468 | CAMERA TRACING AND SURVEILLANCE SYSTEM AND METHOD FOR SECURITY USING THERMAL IMAGE COORDINATE - A camera tracing and surveillance system and method for security using a thermal image coordinate, whereby an image having high resolution for identification in which a person can be accurately identified within a surveillance area and identity of the person can be accurately checked, can be obtained using a simple algorithm. | 05-30-2013 |
20130145851 | MAGNETOSTRICTIVE PHASED ARRAY TRANSDUCER FOR TRANSDUCING SHEAR HORIZONTAL BULKWAVES - A magnetostrictive phased array transducer for transducing shear horizontal bulkwaves including a plurality of magnetostrictive members each having a bottom surface of a plate-shaped structure made of a ferromagnetic material, which is mounted to be adhered closely to the surface of a mounting place; an insulator disposed on a side surface of each magnetostrictive member; a meander coil having a plurality of coil lines extended in the direction parallel with the bottom surface on each insulator, wherein adjacent coil lines are connected so that current flows in the opposite directions to each other, thereby generating a dynamic magnetic field with respect to each magnetostrictive member; and a magnet mounted to generate a static magnetic field perpendicular to the dynamic magnetic field. When the current is supplied to the meander coil, a plurality of magnetostrictive members generate a plurality of shear horizontal bulkwaves while being deformed by the magnetostriction effect. | 06-13-2013 |
Patent application number | Description | Published |
20080312936 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING VOICE DATA TO ESTIMATE VOICE DATA VALUE CORRESPONDING TO RESYNCHRONIZATION PERIOD - Provided are an apparatus and method for estimating a voice data value corresponding to a silent period produced in a key resynchronization process using the sine waveform characteristic of voice when encrypted digital voice data is transmitted in one-way wireless communication environment. The apparatus includes a transmitter that generates a key resynchronization frame containing key resynchronization information and vector information on voice data inserted thereinto and transmits the key resynchronization frame, and a receiver that receives the key resynchronization frame from the transmitter, extracts the vector information inserted in the key resynchronization frame, and estimates a voice data value corresponding to the key resynchronization period. Based on change ratio between slopes calculated using received voice data, it is possible to estimate the voice data corresponding to a silent period, which improves communication quality. | 12-18-2008 |
20130282781 | METHOD OF GENERATING RANDOM NUMBER USING NONVOLATILE MEMORY IN TWO-TRACK SCHEME AND APPARATUS FOR THE SAME - A method of generating a random number using nonvolatile memory and an apparatus for the same are provided. The method of generating a random number includes reading random number state information from nonvolatile memory when power is supplied; updating the random number state of a random number generator using the random number state information and a saving entropy source, thereby producing updated random number state information; storing the updated random number state information in the nonvolatile memory; updating a random number state of the random number generator using the updated random number state information and a generating entropy source, thereby producing a generating random number state information; and producing a random number to be used in an application program using the generating random number state information and the generating entropy source. | 10-24-2013 |
20130308777 | CIPHER COMMUNICATION METHOD AND APPARATUS FOR THE SAME - A cipher communication method for an encryption apparatus an includes: receiving a second encryption key while performing a cipher communication using a first encryption key; storing encryption key input information on the first and second encryption keys in a static region; copying the stored encryption key input information into a dynamic region; selecting any one of the first and second encryption keys based on the copied encryption key input information and current time information; generating encryption key position information and encryption key selection information on the selected encryption key; and transmitting a cipher text and the encryption key selection information to another encryption apparatus connected to the encryption apparatus through a network such that the another encryption apparatus acquires an encryption key to decrypt the cipher text. | 11-21-2013 |
20130318139 | RANDOM NUMBER GENERATION METHOD AND APPARATUS USING LOW-POWER MICROPROCESSOR - A random number generation method and apparatus using a low-power microprocessor is provided. In the random number generation method, a low-power microprocessor determines whether external power is supplied to a random number generator. The low-power microprocessor updates an internal state of the random number generator based on a first scheme if it is determined that the external power is supplied to the random number generator. The low-power microprocessor updates the internal state of the random number generator based on a second scheme different from the first scheme if it is determined that the external power is not supplied to the random number generator. | 11-28-2013 |
20140129602 | RANDOM NUMBER GENERATION APPARATUS AND METHOD USING INPUT TIME INFORMATION - A random number generation apparatus and method using input time information is provided. The random number generation apparatus using input time information includes an information obtainment unit for obtaining input time information from input means. An initial value calculation unit calculates an initial value for random number generation using the input time information. A random number generation unit generates a random number using the initial value for random number generation. | 05-08-2014 |
Patent application number | Description | Published |
20080298260 | OPERATIONAL STATUS TESTING APPARATUS AND METHOD FOR ETHERNET-BASED AUTOMATIC PROTECTION SWITCHING PROCESS - Provided is an operational status testing apparatus and method for an Ethernet-based APS process. A test command signal which contains a command to perform an operational test for the APS process of a first node and a second test response signal that indicates that the operation of the APS process of a second node is performed normally, from among far end request signals that are received from the second node connected to own first node via an Ethernet network, are filtered. When the far end request signals are test command signals, a first test response signal that indicates that the operation of the APS process of the first node is performed normally is generated, and a top priority local request signal is selected based on priorities of the first test response signal and at least one local request signal that indicates the status of the APS process of the first node, and an output signal to be transmitted to the second node is determined based on priorities of the top priority local request signal and the filtered the far end request signal. The function for testing the operational status for the APS process defined in ITU-T recommendation G.8031 is embodied, and when an operational status test request is received from another node, the APS process can be tested effectively without having to perform a complicated diagnosis operation for the APS process. | 12-04-2008 |
20110134754 | METHOD AND APPARATUS FOR FAIRLY ALLOCATING RESOURCE TO NETWORK USERS - A method and an apparatus for fairly allocating resources to network users are provided. The method for fair resource allocation to network users allows the resource allocation apparatus to collect flow information between a user terminal and a service server and aggregates the flow information based on at least one of a user terminal address, a service server address, a user terminal, a service server address, and a service. The allocation resource of the user is controlled to the predetermined recommended bandwidth by using the ratio of the aggregated flow information. | 06-09-2011 |
20110138463 | METHOD AND SYSTEM FOR DDOS TRAFFIC DETECTION AND TRAFFIC MITIGATION USING FLOW STATISTICS - Disclosed are a method and system for distributed denial of service (DDoS) attack detection and traffic mitigation using flow statistics. The method for DDoS attack detection and traffic mitigation using flow statistics includes: collecting first statistics for each flow based on flow information generated by traffic flow of a network connection device; and grouping the first statistics for each flow on a per-flow basis and processing the same into second statistics containing at least one of the number of bytes, the number of packets, and the number of flows per unit time. | 06-09-2011 |
20110149734 | SMART BORDER ROUTER AND METHOD FOR TRANSMITTING FLOW USING THE SAME - A smart border router includes a traffic analyzer for receiving a traffic control policy including a network's routing policy and QoS policy from a router provided on a border of a network, and analyzing the same; a flow translator for, when receiving a plurality of flows from a specific network, translating a received flow to satisfy the traffic control policy of a destination network to which the flow will be transmitted; and a flow information controller for transmitting the translated flow to the destination network through a flow control protocol. | 06-23-2011 |
20110149909 | METHOD OF BINDING NETWORK-BASED FLOW THROUGH NOTIFICATION OF TERMINAL - A method of binding a network-based service flow is provided. The method binds a network-based service flow through notification of a terminal by allowing the terminal to notify a mobile access gateway (MAG) of binding information of a desired service flow at a specific moment by allowing intervention of the terminal, and allowing the MAG to again notify a local mobility anchor (LMA) of corresponding service flow binding information. | 06-23-2011 |
20130167229 | TRAFFIC MANAGING DEVICE AND METHOD THEREOF - Disclosed is a traffic managing device which includes an information collector collecting primary information associated with a flow; a controller judging a traffic state, collecting secondary information associated with the traffic based on the judged traffic state and the primary information, and judging whether the flow is abnormal, based on the secondary information; and a traffic correspondence unit dropping the flow based on the judged traffic state and whether the flow is abnormal. The primary information includes internet protocol addresses of source and destination of the flow and the secondary information includes a flow number of each internet protocol address of a source. | 06-27-2013 |
20130298220 | SYSTEM AND METHOD FOR MANAGING FILTERING INFORMATION OF ATTACK TRAFFIC - The present disclosure relates to a system and a method for managing filtering information of attack traffic, and more particularly, to a system and a method for managing filtering information of attack traffic that may block attack traffic in a front end from which the attack traffic is transmitted by transmitting traffic filtering information, to a first autonomous system of the front end from which the attack traffic is transmitted, through a border gateway protocol (BGP) and by applying, to a relevant router, the transmitted traffic filtering information in the corresponding first autonomous system, when an edge router of a second autonomous system (AS) positioned in a rear end sets the traffic filtering information by detecting the attack traffic. | 11-07-2013 |
20140307558 | METHOD AND APPARATUS FOR CONTROLLING CONGESTION OF NETWORK EQUIPMENT - A method of controlling congestion of network equipment that connects networks with each other, includes determining a type of congestion based on a location of the network equipment; and identifying a network connection section having a strong possibility of occurrence of congestion based on the type of congestion, and setting a critical congestion bandwidth that is used to determine the occurrence of congestion. Further, the method includes identifying users required for equal distribution of traffic upon occurrence of congestion based on the critical congestion bandwidth; and equally distributing traffic to the identified users based on the critical congestion bandwidth, and then dropping an excess of arriving traffic over the equally distributed traffic, thereby performing avoidance of the congestion. | 10-16-2014 |
20140313887 | COMMUNICATION NODE HAVING TRAFFIC OPTIMIZATION CAPABILITY AND METHOD FOR OPTIMIZING TRAFFIC IN COMMUNICATION NODE - The present invention provides an apparatus for optimizing traffic of packets produced in a user terminal and a remote node with a WAN link between the user terminal and the remote node. The apparatus includes a flow information table configured to have identification information about the respective packets that are managed in the apparatus, a packet processing module configured to analyze the packets to determine whether the respective packets are identified in the flow information table, and an optimization module configured to optimize the packets in compliance with the optimization option specified in the respective identified packets. | 10-23-2014 |
20140316727 | SYSTEM AND METHOD FOR ADJUSTING ENERGY MEASUREMENT INTERVAL TO MEASURE ENERGY CONSUMED IN COMMUNICATION NODE - A system for adjusting an energy measurement interval in a communication node on a network includes a measurement module configured to calculate a traffic load applied to the communication node in conformity with a traffic load measurement interval and calculate an energy consumption consumed in the communication node in conformity with an energy measurement interval. The system further comprising an information management module and a measurement interval setting module. | 10-23-2014 |
20140355440 | METHOD AND APPARATUS FOR BANDWIDTH ALLOCATION IN NETWORK TO ENHANCE BALANCE THEREOF - An apparatus for allocating a network bandwidth includes an information collection unit configured to collect flow information of a network; and a traffic check unit configured to check traffic of the collected flow information. Further, the apparatus includes a traffic respond unit configured to suppress the network bandwidth depending on a check result of the traffic; and a control unit configured to the information collection unit, the traffic check unit, and the traffic respond unit. | 12-04-2014 |
20150074247 | APPARATUS AND METHOD FOR SETTING UP COMPUTTING ENVIRONMENTS - A method for setting up a computing environment, which includes: storing data for setting up computing environments necessary for the update of a plurality of client terminals that are connected through a network; receiving information about computing environments that are configured on the client terminals from the client terminals; upon receiving a request for the update from the client terminals, classifying the client terminals that share the same system image; and transferring the latest version of the data for setting up the computing environments which are higher than the client terminals of the client terminals; and updating the classified client terminals with the latest version of the data. | 03-12-2015 |
Patent application number | Description | Published |
20100055558 | LINTHIUM SECONDARY BATTERY IMPROVED SAFETY AND CAPACITY - Disclosed herein is a secondary battery having an electrode assembly constructed in a structure in which a plurality of electrodes are stacked, while separators are disposed respectively between the electrodes, and electrode taps of the electrodes are connected with each other, the electrode assembly being mounted in a battery case, wherein regions where the electrode taps are coupled to electrode leads (electrode tap-electrode lead coupling regions) are located at an upper-end contact region of the battery case, and the contact region is bent in the thickness direction of the battery, whereby the electrode assembly is separated from an inner space of the battery case. | 03-04-2010 |
20100209768 | BATTERY PACK OF LARGE CAPACITY - Disclosed herein is a battery pack including a battery cell, having an electrode assembly mounted in a pouch-shaped battery case made of a laminate sheet including a metal layer and a resin layer and is sealed by thermal welding, mounted in a pack case, wherein the pack case includes a frame member constructed in a structure in which a receiving part for receiving the battery cell is open, opposite side sealing portions of the battery cell are mounted to the frame member such that the opposite side sealing portions cover the opposite sides of the frame member, and a sheathing film is applied to the outer surface of the frame member, to which the battery cell is mounted. | 08-19-2010 |
20100279161 | STACK AND FOLDING-TYPED ELECTRODE ASSEMBLY AND METHOD FOR PREPARATION OF THE SAME - Disclosed herein is a method of locating a plurality of pull cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the pull cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an n stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet. | 11-04-2010 |
20140154565 | ELECTRODE ASSEMBLY, FABRICATING METHOD OF THE ELECTRODE ASSEMBLY AND ELECTROCHEMICAL CELL CONTAINING THE ELECTRODE ASSEMBLY - A fabricating method of a unit structure for accomplishing an electrode assembly formed by a stacking method, and an electrochemical cell including the same are disclosed. The fabricating method of the electrode assembly is characterized with fabricating the unit structure by conducting a first process of laminating and forming a bicell having a first electrode/separator/second electrode/separator/first electrode structure, and conducting a second process of laminating first separator/second electrode/second separator one by one on one of the first electrode among two of the first electrodes. | 06-05-2014 |
20140212751 | ELECTRODE ASSEMBLY, FABRICATING METHOD OF THE ELECTRODE ASSEMBLY AND ELECTROCHEMICAL CELL CONTAINING THE ELECTRODE ASSEMBLY - A fabricating method of a unit structure for accomplishing an electrode assembly formed by a stacking method, and an electrochemical cell including the same are disclosed. The fabricating method of the electrode assembly is characterized with fabricating the unit structure by conducting a first process of laminating and forming a bicell having a first electrode/separator/second electrode/separator/first electrode structure, conducting a second process of laminating a first separator on one of the first electrode among two of the first electrodes, and conducting a third process of laminating second separator/second electrode one by one on the other first electrode among the two of the first electrodes. | 07-31-2014 |
20140255778 | CATHODE INCLUDING INSULATION LAYER ON CATHODE TAB AND SECONDARY BATTERY INCLUDING THE CATHODE - Provided is a cathode including a cathode current collector, a cathode tab protruding from the cathode current collector, and an insulation layer coated with an insulating material on the cathode tab, and a secondary battery including the cathode. Since the cathode of the present invention includes an insulation layer on a cathode tab, the present invention may prevent an internal short circuit which may occur due to cell deformation or sharp edges of electrodes, which are formed during cutting of the electrodes in a preparation process of the battery, when the electrodes are stacked, or may prevent a physical short circuit between the cathode and the anode due to shrinkage of a separator in a high-temperature atmosphere. In a case where the cathode is used in a lithium secondary battery, safety and reliability in battery performance may be significantly improved. | 09-11-2014 |
20140272507 | ELECTRODE ASSEMBLY AND ELECTROCHEMICAL CELL INCLUDING THE SAME - An electrode assembly according to the present disclosure includes an electrode stack part formed by stacking at least one radical unit having a four-layered structure of a first electrode, a separator, a second electrode and a separator, and an electrode fixing part for wrapping and fixing the electrode stack part. The electrode assembly according to the present disclosure may be fabricated by means of a stacking process other than a folding process, and may accomplish accurate alignment and stable fixing. | 09-18-2014 |
20140363725 | ELECTRODE ASSEMBLY AND POLYMER SECONDARY BATTERY CELL INCLUDING THE SAME - An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed and has same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, and an auxiliary unit disposed on at least one among an uppermost part or a lowermost part of the cell stack part. The one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked, and each of the at least two kinds of radical units are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure. | 12-11-2014 |
20140370362 | ELECTRODE ASSEMBLY AND POLYMER SECONDARY BATTERY CELL INCLUDING THE SAME - An electrode assembly includes a cell stack part having a structure of steps obtained by stacking at least two groups of radical units having different sizes or having different geometric shapes according to the size or the geometric shapes. The radical unit has a combined structure into one body by alternately same number of electrodes and separators, and each step of the cell stack part has a structure in which one kind of radical units is disposed once or repeatedly, or a structure in which at least two kinds of radical units are disposed. The one kind of radical unit has a four-layered structure of first electrode, first separator, second electrode and second separator sequentially stacked or a repeating structure of the four-layered structure. Each of the at least two kinds of radical units are stacked by ones to form the four-layered structure or the repeating structure. | 12-18-2014 |
20150033527 | MEANDERING CORRECTION APPARATUS FOR ELECTRODE ASSEMBLY - Provided is a meandering correction apparatus for an electrode assembly. The meandering correction apparatus for the electrode assembly, which corrects a position of a second unit cell to align a first unit cell with the second unit cell in the electrode assembly in which the first and second unit cells having sizes different from each other are folded through a separator, includes a main body on which the electrode assembly is disposed, a movable jig unit disposed on one side of the main body to press one side surface of the electrode assembly, thereby moving the electrode assembly toward the other side of the main body, and a correction jig unit disposed on the other side of the main body to support the other side surface of the electrode assembly that moves by the movable jig unit, thereby correcting the position of the second unit cell. | 02-05-2015 |
20150061596 | GRIPPER ASSEMBLY FOR BATTERY CHARGING AND DISCHARGING - Provided is a gripper assembly for battery charging/discharging, which is electrically connected to a battery electrode to apply current during battery charging/discharging operation, the gripper assembly including a first electrode lead gripper including a first electrode gripper body disposed to correspond to a first electrode lead of the battery, and a first contact member coupled to one side of the first electrode gripper body and pressed to contact a surface of the first electrode lead and a second electrode lead gripper including a second electrode gripper body disposed to correspond to a second electrode lead of the battery, and a second contact member coupled to a side of the second electrode gripper body and attached to contact a surface of the second electrode lead. | 03-05-2015 |
20150064547 | ELECTRODE ASSEMBLY FOR POLYMER SECONDARY BATTERY CELL - The present invention relates to an electrode assembly, and more specifically to an electrode assembly for a polymer secondary battery cell, including a cell stack part defined by stacking at least one radical unit having a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are stacked in turn, wherein at least one of the first electrode and the second electrode has a size corresponding to 99.7% to 100% of a size of the first separator or the second separator and thus is aligned to be coincided with or close to an end of the first separator or the second separator. | 03-05-2015 |
20150086864 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly according to an embodiment of the present invention includes a first electrode plate having a fist electrode tab at an end of one side thereof, a second electrode plate having a second electrode tab, which is formed in a same direction as a longitudinal direction of the first electrode tab and is formed at a position not overlapping the first electrode tab, and a protrusion which is formed at a position overlapping the fist electrode tab, and a separator insulating the first electrode plate and the second electrode plate. Therefore, the electrode assembly according to the embodiment of the present invention and the secondary battery including the same may improve the stability of the secondary battery by preventing lithium ion accumulation in a separator. | 03-26-2015 |
Patent application number | Description | Published |
20090201997 | DIGITAL TELEVISION TRANSMISSION AND RECEIVING APPARATUS AND METHOD USING 1/4 RATE CODED ROBUST DATA - Provided is a Vestigial Side Band Digital Television (DTV) transmitter/receiver based on Advanced Television System Committee A/53. The invention provides DTV transmitter/receiver having a dual stream structure through generation of robust data which has a transmission rate a fourth as fast as that of normal data, and a method thereof. The DTV transmitter includes: input means for receiving digital video data stream including normal and robust data; encoding means for performing ¼ rate coding on the digital video data stream so that one bit can be transmitted through two symbols; and transmitting means for modulating/transmitting output signals of the encoding means. This invention can reduce SNR and satisfy TOV of robust data by performing additional FEC on robust data, transmitting/receiving ¼ rate coded robust data, which are capable of transmitting one-bit data for two symbols, and improving decoding ability of an equalizer and a trellis decoder of a DTV receiver. | 08-13-2009 |
20100135510 | APPARATUS FOR GENERATING AND PLAYING OBJECT BASED AUDIO CONTENTS - Disclosed is an object based audio contents generating/playing apparatus. The object based audio contents generating/playing apparatus may include an object audio signal obtaining unit to obtain a plurality of object audio signals by recording a plurality of sound source signals, a recording space information obtaining unit to obtain recording space information with respect to a recording space of the plurality of sound source signals, a sound source location information obtaining unit to obtain sound location information of the plurality of sound source signals, and an encoding unit to generate object based audio contents by encoding at least one of the plurality of object audio signals, the recording space information, and the sound source location information, thereby enabling the object based audio contents to be played using at least one of a WFS scheme and a multi-channel surround scheme regardless of a reproducing environment of the audience. | 06-03-2010 |
20100215044 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING OF THE OBJECT-BASED AUDIO CONTENTS - The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic. To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet. | 08-26-2010 |
20110064249 | METHOD FOR GENERATING AND PLAYING OBJECT-BASED AUDIO CONTENTS AND COMPUTER READABLE RECORDING MEDIUM FOR RECORDING DATA HAVING FILE FORMAT STRUCTURE FOR OBJECT-BASED AUDIO SERVICE - Provided are a method of generating and playing an object-based audio content that may effectively store preset information about an object-based audio content, and a computer-readable recording medium for storing data having a file format structure for an object-based audio service. The method of generating the object-based audio content may include: receiving a plurality of audio objects ( | 03-17-2011 |
20110112842 | METHOD AND APPARATUS FOR EDITING AUDIO OBJECT IN SPATIAL INFORMATION-BASED MULTI-OBJECT AUDIO CODING APPARATUS - Disclosed is an audio object editing apparatus of a multi-object audio coding apparatus. The audio object editing apparatus of the multi-object audio coding apparatus may include an object information extracting unit to receive an object bit stream and to extract object information from the object bit stream, a downmix processing unit to receive a downmix signal, and to control the downmix signal using object editing information and the object information, and a bit stream processing unit to edit the object information according to the object editing information, and to generate a controlled object bit stream based on the edited object information. | 05-12-2011 |
20110166867 | MULTI-OBJECT AUDIO ENCODING AND DECODING APPARATUS SUPPORTING POST DOWN-MIX SIGNAL - A multi-object audio encoding and decoding apparatus supporting a post downmix signal may be provided. The multi-object audio encoding apparatus may include: an object information extraction and downmix generation unit to generate object information and a downmix signal from input object signals; a parameter determination unit to determine a downmix information parameter using the extracted downmix signal and the post downmix signal; and a bitstream generation unit to combine the object information and the downmix information parameter, and to generate an object bitstream. | 07-07-2011 |
20110257981 | LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE - Disclosed is an LPC residual signal encoding/decoding apparatus of an MDCT based unified voice and audio encoding device. The LPC residual signal encoding apparatus analyzes a property of an input signal, selects an encoding method of an LPC filtered signal, and encode the LPC residual signal based on one of a real filterbank, a complex filterbank, and an algebraic code excited linear prediction (ACELP). | 10-20-2011 |
20130077631 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING OF THE OBJECT-BASED AUDIO CONTENTS - The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic. To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet. | 03-28-2013 |
20130101122 | APPARATUS FOR GENERATING AND PLAYING OBJECT BASED AUDIO CONTENTS - Disclosed is an object based audio contents generating/playing apparatus. The object based audio contents generating/playing apparatus may include an object audio signal obtaining unit to obtain a plurality of object audio signals by recording a plurality of sound source signals, a recording space information obtaining unit to obtain recording space information with respect to a recording space of the plurality of sound source signals, a sound source location information obtaining unit to obtain sound location information of the plurality of sound source signals, and an encoding unit to generate object based audio contents by encoding at least one of the plurality of object audio signals, the recording space information, and the sound source location information, thereby enabling the object based audio contents to be played using at least one of a WFS scheme and a multi-channel surround scheme regardless of a reproducing environment of the audience. | 04-25-2013 |
20150081286 | LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE - Disclosed is an LPC residual signal encoding/decoding apparatus of an MDCT based unified voice and audio encoding device. The LPC residual signal encoding apparatus analyzes a property of an input signal, selects an encoding method of an LPC filtered signal, and encode the LPC residual signal based on one of a real filterbank, a complex filterbank, and an algebraic code excited linear prediction (ACELP). | 03-19-2015 |
Patent application number | Description | Published |
20100201885 | ENCODER OF E-8VSB FORWARD ERROR CORRECTION FOR DIGITAL TELEVISION SYSTEM OF ATSC - Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal. | 08-12-2010 |
20120257012 | METHOD AND APPARATUS FOR 3-DIMENSIONAL IMAGE DISPLAY - A display method and a display apparatus of a 3D image are provided. The display method includes: receiving an image stream; determining a viewing mode of the image stream; determining whether or not a screen of a display apparatus is adjusted according to the determined viewing mode; and adjusting the screen of the display apparatus in the case in which it is determined in the determining of whether or not the screen of the display apparatus is adjusted that the screen is adjusted, wherein the viewing mode of the image stream includes a 2D image viewing mode and a 3D image viewing mode. | 10-11-2012 |
20130058585 | APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME - The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal. | 03-07-2013 |
20130077698 | ENCODER OF E-8VSB FORWARD ERROR CORRECTION FOR DIGITAL TELEVISION SYSTEM OF ATSC - Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal. | 03-28-2013 |
20130108184 | METHOD AND APPARATUS FOR ENCODING IMAGES USING TEMPLATE MATCHING AND METHOD AND APPARATUS FOR DECODING IMAGES | 05-02-2013 |
20130136172 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS - The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units. | 05-30-2013 |
20130177078 | APPARATUS AND METHOD FOR ENCODING/DECODING VIDEO USING ADAPTIVE PREDICTION BLOCK FILTERING - Provided are a method and apparatus for encoding/decoding video. The method and apparatus of the present invention involve generating a first prediction block for a block to be decoded, calculating a filter coefficient on the basis of the block adjacent to the first prediction block, and performing filtering on the first prediction block using the filter coefficient so as to generate a second prediction block if information relating to the performance of filtering indicates that filtering should be performed. According to the present invention, accuracy in video prediction and encoding performance are improved. | 07-11-2013 |
20130182768 | METHOD AND APPARATUS FOR ENCODING / DECODING VIDEO USING ERROR COMPENSATION - According to the present invention, a method for decoding a video in a skip mode comprises the steps of: deriving a pixel value of an estimation block for a current block; deriving an error compensation value for the current block; and deriving a pixel value of a final prediction block using the pixel value of the prediction block and the error compensation value. According to the present invention, the amount of transmitted information is minimized, and the efficiency of video encoding/decoding is improved. | 07-18-2013 |
20130182779 | METHOD AND APPARATUS FOR VIDEO-ENCODING/DECODING USING FILTER INFORMATION PREDICTION - Provided is a scalable video-decoding method based on multiple layers. The scalable video-decoding method according to the present invention comprises: a step of predicting first filter information of a video to be filtered using the information contained in an object layer and/or information contained in another layer, and generating second filter information in accordance with the prediction; and a step of filtering the video to be filtered using the second filter information. According to the present invention, the amount of information being transmitted is reduced, and video compression performance is improved. | 07-18-2013 |
20130188731 | METHOD FOR ENCODING/DECODING BLOCK INFORMATION USING QUAD TREE, AND DEVICE FOR USING SAME - Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit. | 07-25-2013 |
20130188740 | METHOD AND APPARATUS FOR ENTROPY ENCODING/DECODING - Provided is an entropy decoding method. The entropy decoding method according to the present invention comprises the steps of: drawing context information about a symbol to be decoded using at least either context information about corresponding layer or context information about other layers; and performing entropy decoding on the symbol using the drawn context information. According to the present invention, image compression efficiency can be enhanced. | 07-25-2013 |
20130188884 | METHOD FOR ENCODING AND DECODING IMAGES AND APPARATUS FOR ENCODING AND DECODING USING SAME - The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks. | 07-25-2013 |
20130294607 | BROADCAST TRANSMITTING APPARATUS AND BROADCAST TRANSMITTING METHOD FOR PROVIDING AN OBJECT-BASED AUDIO, AND BROADCAST PLAYBACK APPARATUS AND BROADCAST PLAYBACK METHOD - A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a multichannel audio signal are provided. The broadcast transmitting apparatus may generate audio identification information used to determine whether the multichannel audio signal is an object-based audio signal. When the multichannel audio signal is determined to be the object-based audio signal, based on the audio identification information, the broadcast playback apparatus may control and output the multichannel audio signal for each channel. | 11-07-2013 |
20140029668 | APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME - The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal. | 01-30-2014 |
20140037001 | METHOD AND DEVICE FOR DETERMINING REFERENCE UNIT - An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved. | 02-06-2014 |
Patent application number | Description | Published |
20090080516 | METHOD OF ENCODING AND DECODING TEXTURE COORDINATES IN THREE-DIMENSIONAL MESH INFORMATION FOR EFFECTIVE TEXTURE MAPPING - Provided is a method of encoding and decoding texture coordinates of 3D mesh information. The method of encoding texture coordinates in 3D mesh information includes the steps of: setting an adaptive quantization step size used for quantizing the texture coordinates; quantizing the texture coordinates using the adaptive quantization step size; and encoding the quantized texture coordinates. | 03-26-2009 |
20090213443 | Apparatus and method for encoding or/and decoding digital hologram - Provided is an apparatus for encoding and/or decoding a digital hologram. The apparatus for encoding a digital hologram includes: a segmentation unit for dividing a digital hologram inputted from an external device into a plurality of blocks; an orthogonal transforming unit for orthogonally transforming each of the divided blocks; a quantization unit for quantizing information of each of the transformed blocks; a scanning unit for scanning each of the quantized blocks to transform the plurality of the quantized blocks to single moving image sequence; and a moving image encoding unit for encoding the single moving image sequence configuring a digital hologram to compress the signal moving image sequence. | 08-27-2009 |
20110167317 | APPARATUS FOR ADAPTABLE/VARIABLE TYPE MODULATION AND DEMODULATION IN DIGITAL TX/RX SYSTEM - Disclosed is an adaptable/variable type modulation/demodulation apparatus. A physical layer transmission apparatus for adaptable/variable type modulation, the transmission apparatus including a classification unit to classify a bit stream according to a standard that is determined in advance after receiving the bit stream, an uncoded bit group unit to group the bit stream not to be LDPC-coded by a predetermined number of bits, an LDPC encoder to perform LDPC-coding of the bit stream, a coded bit group unit to group the coded bit stream by the predetermined number of bits, a quadrature amplitude modulation (QAM) unit to select a symbol coset using the coded bit groups; and a convolutional interleaver to perform convolutional interleaving of the symbol. | 07-07-2011 |
20120094696 | SYSTEM AND METHOD FOR TRACKING LOCATION OF MOBILE TERMINAL USING TV - The present invention relates to a system and a method for tracking a location of a mobile terminal, and more particularly, to a system and a method for tracking a location of a mobile terminal using a TV connected to the Internet. The system for tracking a location of a mobile terminal according to an exemplary embodiment of the present invention includes: a TV connected to the Internet; and at least one mobile terminal acquiring its own location information, wherein the mobile terminal transmits its own location information to the TV in a peer-to-peer communication scheme, and the TV receives the location information to display the received location information on a screen. | 04-19-2012 |
20120140017 | VIDEO DISPLAYING APPARATUS AND CONTROLLING METHOD THEREOF - Disclosed is a video displaying apparatus including: a projector screen; at least one camera disposed at a predetermined position of the projector screen to acquire a user's video; a communication unit receiving the other party's video from the other video terminal and transmitting the user's video acquired through at least one camera to the other video terminal; and a projector outputting the other party's video so that the other party's video received from the communication unit is displayed on the projector screen. | 06-07-2012 |
20120146904 | APPARATUS AND METHOD FOR CONTROLLING PROJECTION IMAGE - Disclosed are an apparatus and a method related with a user interface that allows a user to easily use services provided by equipment when output images of video equipment are projected onto an external screen by a projector. According to exemplary embodiments of the present invention, a human body may be used as a pointer to form a shadow, and the shadow may be analyzed to control the projection image. Therefore, the projection image can be controlled without using an interface device, which can provide an easy and intuitive user interface to a user. | 06-14-2012 |
20120159540 | SYSTEM AND METHOD FOR PROVIDING PERSONALIZED CONTENT - A personalized content server selects content that is personalized for a user based on watching information and mobile terminal information about the user from among pieces of content associated with broadcasting content being watched by the user through a broadcasting terminal, and transmits the selected personalized content to the mobile terminal of the user through the broadcasting terminal. | 06-21-2012 |
20120159557 | APPARATUS AND METHOD FOR CONTROLLING CONTENTS TRANSMISSION - An apparatus for controlling contents transmission transmits contents received at a TV to at least one user terminal requesting a service. The apparatus selects at least one connection of a target terminal using user profile information of the target terminal and service profile information, coding the contents based on a coding scheme suitable for the selected connection, and transmits the coded contents to the target terminal. | 06-21-2012 |
20120164938 | SYSTEM AND METHOD FOR PROVIDING AUGMENTED REALITY CONTENTS BASED ON BROADCASTING - Disclosed is a method of providing broadcasting-based augmented reality contents. The method includes judging whether received broadcasting contents include augmented reality associated information; requesting an augmented reality service based on the augmented reality associated information; and providing augmented reality contents according to the request. | 06-28-2012 |
20120224623 | METHOD AND APPARATUS FOR ENCODING AND DECODING MULTI-VIEW VIDEO USING IMAGE STITCHING - Provided is a method and apparatus for encoding and decoding multi-view video data. The encoding method includes: decomposing each view image of the multi-view video into an overlapped region and a non-overlapped region, the overlapped region being overlapped with other view image and the non-overlapped region not being overlapped with other view image; generating a stitched image by combining the non-overlapped region of each view image and a middle view image; encoding the stitched image using a first encoding algorithm; and encoding the overlapped region of each view image, using a second encoding algorithm. Further, the decomposing step includes the steps of estimating disparity information for each view image, based on a predetermined view image; and decomposing each view image into said overlapped region and said non-overlapped region using the estimated disparity information. | 09-06-2012 |
20120232990 | APPARATUS FOR PROVIDING PERSONALIZED RELATED ADVERTISEMENT, MOBILE TERMINAL FOR PLAYING RELATED ADVERTISEMENT, AND METHOD FOR PROVIDING PERSONALIZED RELATED ADVERTISEMENT - Disclosed is an apparatus for providing personalized related advertisements including: a communication unit for receiving ID information required for searching for advertisements related to a broadcast advertisement and for transmitting converted related advertisements to a mobile terminal; a search unit for searching for the related advertisements by means of the ID information; and a conversion unit for converting the searched related advertisements to a format to be played in the mobile terminal. | 09-13-2012 |
20120254307 | METHOD AND APPARATUS FOR PROVIDING TIME MACHINE SERVICE BASED ON SOCIAL NETWORK SERVICE - Disclosed are a method for providing a time machine service based on an SNS (social network service), including: extracting keywords based on SNS information input by SNS users and collecting rich contents relating to the SNS information based on the keywords; dividing points of past, present, and future, based on a predetermined present time period and classifying the rich contents into any one of past information, present information, and future information, based on the division result; and providing the classified rich contents to the SNS users. | 10-04-2012 |
20120257015 | APPARATUS AND METHOD FOR 3D BROADCASTING SERVICE IN BROADCASTING SYSTEM COMBINED WITH MOBILE BROADCASTING - Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image. | 10-11-2012 |
20130007128 | APPARATUS AND METHOD FOR PROVIDING REALISTIC REMOTE EXPLORATION SERVICE BASED ON OPEN SOCIAL NETWORK SERVICE - Discloses is an apparatus and method for providing a remote exploration service based on an open social network service (SNS). The apparatus for providing a remote exploration service may recommend an explorer terminal to a user terminal based on recommendation information of the user terminal, and transmit direction of movement data to the explorer terminal so that a remote exploration may be conducted along an exploration route designated by the user terminal. | 01-03-2013 |
20130094359 | APPARATUS AND METHOD FOR CONTROLLING QUALITY OF SERVICE OF WIRELESS NETWORK - An apparatus and method for controlling quality of service (QoS) of a content provided to a mobile terminal in a wireless network are provided. The QoS control apparatus may include a content node search unit to search for a content node having optimized QoS for a mobile terminal when receiving a content request signal from the mobile terminal, and an information providing unit to provide information on the content node to the mobile terminal. | 04-18-2013 |
20140139661 | METHOD AND APPARATUS FOR ACQUIRING AND TRANSMITTING DYNAMIC VIDEOS - The present invention relates to a method and apparatus for acquiring and transmitting dynamic videos which reflect the position and motion information of a video acquiring device. The video acquiring device comprises an AV acquiring module which photographs an object to acquire videos of the object, a location information acquiring module which acquires the location information of the video acquiring device or the user of the video acquiring device, a motion information acquiring module which acquires the motion information of the video acquiring device or the user of the video acquiring device, a multiplexing module which generates multiplexed signal by multiplexing the video, location information and motion information, and a wireless communication module which transmits the multiplexed signal to a mobile terminal equipped with wireless communication device via wired or wireless communication. | 05-22-2014 |
20140351054 | ADVERTISEMENT APPARATUS AND ADVERTISEMENT SERVICE PROVIDING METHOD BASED ON LOCATION BASED SERVICE AND BROADCASTING - There are provided an advertisement device combining an LBS (Location Based Service) with broadcast and a method of providing an advertisement service using the same. The advertisement device comprises a location information obtaining unit configured to obtain location information of a vehicle, a broadcast signal receiving unit configured to receive a broadcast signal including advertisement information through a broadcast network, an advertisement information storing unit configured to store the advertisement information included in the broadcast signal, and a controller configured to enable the advertisement information corresponding to the location information to be displayed through a displaying device installed inside or outside the vehicle. | 11-27-2014 |
Patent application number | Description | Published |
20090197624 | APPARATUS AND METHOD FOR RELAYING BETWEEN BASE STATION AND MOBILE STATION, AND METHOD FOR RECEIVING CONTROL INFORMATION - When an event associated with a mobile station occurs, a relay station requests a base station to allocate a dedicated control channel required for transmitting control information on the mobile station to the base station. Next, when the control information on the mobile station is generated, the relay station transmits the control information to the base station through the dedicated control channel. Accordingly, since the base station allocates the dedicated control channel to the relay station in advance before the control information is generated in the relay station, the relay station can transmit the control information to the base station with a minimum of time delay. | 08-06-2009 |
20100265936 | METHOD AND DEVICE FOR ACQUIRING SYNCHRONIZATION BETWEEN NODES AND METHOD FOR ORGANIZING MULTIPLE PHYSICAL CHANNELS - A method for acquiring synchronization between nodes and configuring multiple physical channels in order to improve performance in the ad-hoc/mesh network is disclosed. | 10-21-2010 |
20110149910 | METHOD FOR COMMUNICATION CHANNEL CONTROL - A base station designates an identification symbol section in each communication frame in order to identify a plurality of transceivers, transmits a predetermined transceiver identification signal through subcarriers granted to the plurality of transceivers by granting a combination of subcarriers to be used in an identification symbol section to each of the plurality of transceivers, generates and stores terminal connection information for each of the plurality of transceivers by receiving information on evaluation of reception quality for the transceiver from the terminal and using the received information, and allocates a communication resource so as to use the subcarrier of the transceiver connected with the terminal for communicating with the terminal. | 06-23-2011 |
20110206033 | COMMUNICATION METHOD BETWEEN WIRELESS NODES - In a wireless communication system, when a transmission node has data to be transmitted to a reception node, it checks an acknowledgement slot of the current communication frame and transmits information regarding a reception available acknowledgement slot to the reception node through a request-to-send (RTS) slot in the current communication frame, and the reception node transmits information regarding the data slot available for receiving among at least one data slot corresponding to the reception available acknowledgement slot to the transmission node through a clear-to-send (CTS) slot corresponding to the data request slot in the current communication frame. Thereafter, the transmission node transmits data to the reception node through a reservation data slot of the subsequent communication frame until the message transmission fails or finishes. | 08-25-2011 |
20120155370 | METHOD FOR SUPPORTING TIME SYNCHRONIZATION RELAYING TO NEIGHBORING NODES IN WIRELESS NETWORK - Under a wireless communication environment in which nodes sharing a time reference communicate information with a frame having a predetermined structure, when a node that has failed to acquire synchronization, a protocol in which neighboring nodes relays synchronization to the synchronization acquisition failed node by using a preamble defined in the frame is provided. | 06-21-2012 |
20120163257 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING IN MOBILE WIRELESS NETWORK - In a mobile wireless network system including a plurality of nodes communicating with each other, a node attempting to transmit data finds useable resources through performing carrier sensing on packet data unit (PDU) slots and transmits data through the found resources. A node attempting to receive data finds useable resource through performing carrier sensing on acknowledge (ACK) slots and receives data through the found resources. | 06-28-2012 |
20120163316 | METHOD AND APPARATUS FOR ALLOCATING RESOURCE IN MOBILE WIRELESS NETWORK - In a mobile wireless network system including a plurality of nodes, available resources of a transmitting node and available resources of a receiving node are searched for. Commonly overlapped allocatable resources among available resources of a transmitting node and available resources of a receiving node are searched for, areas corresponding to the calculated allocation resource number according to an allocation condition that is set in the allocatable resource area are selected, and the areas are allocated to the transmitting node or the receiving node. | 06-28-2012 |
20120188924 | METHOD FOR CONTROLLING POWER IN WIRELESS AD-HOC NETWORK - A node in a wireless network system determines transmission power by performing transmission power control only on a plurality of data subcarriers, other than a plurality of pilot subcarriers, of a PDU slot or ACK slot to be transmitted, and then transmits the data subcarriers of the PDU slot or ACK slot at the determined transmission power and transmits the pilot subcarriers of the PDU slot or ACK slot at a fixed power level. Accordingly, neighboring nodes determine whether or not a channel of the PDU slot or ACK slot is sensed by using the pilot subcarriers of the PDU slot or ACK slot. | 07-26-2012 |
20130250839 | METHOD AND DEVICE FOR ACQUIRING SYNCHRONIZATION BETWEEN NODES AND METHOD FOR ORGANIZING MULTIPLE PHYSICAL CHANNELS - A method for acquiring synchronization between nodes and configuring multiple physical channels in order to improve performance in the ad-hoc/mesh network is disclosed. | 09-26-2013 |
Patent application number | Description | Published |
20100036145 | MORE ADVANCED PREPARATION METHOD OF ORGANIC-TRANSITION METAL HYDRIDE COMPLEXES CONTAINING ARYL GROUP OR ALKYL GROUP AS HYDROGEN STORAGE MATERIALS - The present invention relates to a more advanced preparation method of organic-transition metal hydride as a hydrogen storage material, precisely a more advanced preparation method of organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reverse storage of massive amount of hydrogen. | 02-11-2010 |
20110201834 | Scaffold Materials-Transition Metal Hydride Complexes, Intermediates Therefor and Method for Preparing the Same - The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M | 08-18-2011 |
20130123527 | MORE ADVANCED PREPARATION METHOD OF ORGANIC-TRANSITION METAL HYDRIDE COMPLEXES CONTAINING ARYL GROUP OR ALKYL GROUP AS HYDROGEN STORAGE MATERIALS - The present invention relates to a more advanced preparation method of organic-transition metal hydride as a hydrogen storage material, precisely a more advanced preparation method of organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reverse storage of massive amount of hydrogen. | 05-16-2013 |
20140014173 | Solar Cell and Method for Manufacturing the Same - Provided are a solar cell and a method for manufacturing the same, and more particularly, a solar cell for forming a selective emitter structure and a surface texture using dry plasma etching at the same time, and a method for manufacturing the same. The solar cell includes a silicon semiconductor substrate; an emitter doping layer having a surface, which is textured by a texturing process on an upper portion of the silicon semiconductor substrate and selectively doped; an anti-reflective film layer formed on a front of the substrate; a front electrode accessing to the emitter doping layer by penetrating the anti-reflective film layer; and a rear electrode accessing to a rear of the silicon semiconductor substrate. | 01-16-2014 |
20140017847 | METHOD FOR MANUFACTURING SOLAR CELL - Provided is a method of manufacturing a solar cell, wherein a solar cell is manufactured by combining a damage removal etching process, a texturing process and an edge isolation process. The method is advantageous in that RIE and DRE are conducted, and then DRE/PSG and/or an edge isolation removal process are simultaneously conducted, so that the movement of a substrate (that is, a wafer) is minimized, thereby reducing the damage rate of the substrate. | 01-16-2014 |
20140356535 | METHOD FOR MANUFACTURING POLYSILICON - The present invention relates to a method for manufacturing polysilicon. According to the present invention, meltdown can be prevented during the growth of silicon rod, and a polycrystalline silicon rod having a larger diameter can be shortly manufactured with a minimal consumption of energy. | 12-04-2014 |
Patent application number | Description | Published |
20100133551 | HIGH-SPEED OPTICAL INTERCONNECTION DEVICE - Provided is a high-speed optical interconnection device. The high-speed optical interconnection device includes a first semiconductor chip, light emitters, optical detectors, and a second semiconductor chip, which are disposed on a silicon-on-insulator (SOI) substrate. The light emitters receive electrical signals from the first semiconductor chip to output optical signals. The optical detectors detect the optical signals to convert the optical signals into electrical signals. The second semiconductor chip receives the electrical signals converted by the optical detectors. | 06-03-2010 |
20110037521 | POWER AMPLIFIER HAVING DEPLETION MODE HIGH ELECTRON MOBILITY TRANSISTOR - Provided is a power amplifier including: a depletion mode high electron mobility transistor (D-mode HEMT) configured to amplify a signal inputted to a gate terminal and output the amplified signal through a drain terminal; an input matching circuit configured to serially ground the gate terminal; and a DC bias circuit connected between the drain terminal and a ground. Through the foregoing configuration, the HEMT may be biased only by a single DC bias circuit without any biasing means to provide a negative voltage. Also, superior matching characteristic may be provided in various operation frequency bands through a shunt inductor and a choke inductor. | 02-17-2011 |
20110057237 | SEMICONDUCTOR DEVICES AND METHODS OF FORMING THEREOF - Provided is a semiconductor device. The semiconductor device includes: a substrate; an active layer on the substrate; a capping layer on the active layer; source/drain electrodes on the capping layer; a gate electrode on the active layer; and a first void region on a first sidewall of the gate electrode and a second void region on a second sidewall facing the first sidewall. | 03-10-2011 |
20110143505 | METHOD FOR FABRICATING FIELD EFFECT TRANSISTOR - Provided is a method for fabricating a field effect transistor. In the method, an active layer and a capping layer are formed on a substrate. A source electrode and a drain electrode is formed on the capping layer. A dielectric interlayer is formed on the substrate, and resist layers having first and second openings with asymmetrical depths are formed on the dielectric interlayer between the source electrode and the drain electrode. The first opening exposes the dielectric interlayer, and the second opening exposes the lowermost of the resist layers. The dielectric interlayer in the bottom of the first opening and the lowermost resist layer under the second opening are simultaneously removed to expose the capping layer to the first opening and expose the dielectric interlayer to the second opening. The capping layer of the first opening is removed to expose the active layer. A metal layer is deposited on the substrate to simultaneously form a gate electrode and a field plate in the first opening and the second opening. The resist layers are removed to lift off the metal layer on the resist layers. | 06-16-2011 |
20120142148 | METHOD OF MANUFACTURING HIGH FREQUENCY DEVICE STRUCTURE - Provided are a method of manufacturing a normally-off mode high frequency device structure and a method of simultaneously manufacturing a normally-on mode high frequency device structure and a normally-off mode high frequency device structure on a single substrate. | 06-07-2012 |
20120146107 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed are a semiconductor device and a method of manufacturing the same. In the semiconductor device according to an exemplary embodiment of the present disclosure, at the time of forming a source electrode, a drain electrode, a field plate electrode, and a gate electrode on a substrate having a heterojunction structure such as AlGaN/GaN, the field plate electrode made of the same metal as the gate electrode is formed on the side surface of a second support part positioned below a head part of the gate electrode so as to prevent the gate electrode from collapsing and improve high-frequency and high-voltage characteristic of the semiconductor device. | 06-14-2012 |
20120153361 | FIELD-EFFECT TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed are a field-effect transistor and a manufacturing method thereof. The disclosed field-effect transistor includes: a semiconductor substrate; a source ohmic metal layer formed on one side of the semiconductor substrate; a drain ohmic metal layer formed on another side of the semiconductor substrate; a gate electrode formed between the source ohmic metal layer and the drain ohmic metal layer, on an upper portion of the semiconductor substrate; an insulating film formed on the semiconductor substrate's upper portion including the source ohmic metal layer, the drain ohmic metal layer and the gate electrode; and a plurality of field electrodes formed on an upper portion of the insulating film, wherein the insulating film below the respective field electrodes has different thicknesses. | 06-21-2012 |
20140035044 | FIELD-EFFECT TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed are a field-effect transistor and a manufacturing method thereof. The disclosed field-effect transistor includes: a semiconductor substrate; a source ohmic metal layer formed on one side of the semiconductor substrate; a drain ohmic metal layer formed on another side of the semiconductor substrate; a gate electrode formed between the source ohmic metal layer and the drain ohmic metal layer, on an upper portion of the semiconductor substrate; an insulating film formed on the semiconductor substrate's upper portion including the source ohmic metal layer, the drain ohmic metal layer and the gate electrode; and a plurality of field electrodes formed on an upper portion of the insulating film, wherein the insulating film below the respective field electrodes has different thicknesses. | 02-06-2014 |
20140103539 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor device may include a substrate having a lower via-hole, an epitaxial layer having an opening exposing a top surface of the substrate, a semiconductor chip disposed on the top surface of the substrate and including first, second, and third electrodes, an upper metal layer connected to the first electrode, a supporting substrate disposed on the upper metal layer and having an upper via-hole, an upper pad disposed on the substrate and extending into the upper via-hole, a lower pad connected to the second electrode in the opening, and a lower metal layer covering a bottom surface of the substrate and connected to the lower pad through the lower via-hole. | 04-17-2014 |
20140159049 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a semiconductor device includes forming devices including source, drain and gate electrodes on a front surface of a substrate including a bulk silicon, a buried oxide layer, an active silicon, a gallium nitride layer, and an aluminum-gallium nitride layer sequentially stacked, etching a back surface of the substrate to form a via-hole penetrating the substrate and exposing a bottom surface of the source electrode, conformally forming a ground interconnection on the back surface of the substrate having the via-hole, forming a protecting layer on the front surface of the substrate, and cutting the substrate to separate the devices from each other. | 06-12-2014 |
20140159115 | TRANSISTOR AND METHOD OF FABRICATING THE SAME - A high electron mobility transistor includes a T-type gate electrode disposed on a substrate between source and drain electrodes and insulating layers disposed between the substrate and the T-type gate electrode. The insulating layers include first, second, and third insulating layers. The third insulating layer is disposed between the substrate and a head portion of the T-type gate electrode such that a portion of the third insulating layer is in contact with a foot portion of the T-type gate electrode. The second insulating layer is disposed between the substrate and the head portion of the T-type gate electrode to be in contact with the third insulating layer. The first insulating layer and another portion of the third insulating layer are sequentially stacked between the substrate and the head portion of the T-type gate electrode to be in contact with the second insulating layer. | 06-12-2014 |
20140166615 | MOLD STRUCTURE AND METHOD OF IMPRINT LITHOGRAPHY USING THE SAME - Mold structures for imprint lithography are provided. Mold chip patterns including patterns for nano structures are disposed on a mold substrate. A trench region is provided between the mold chip patterns. Protrusion portions protrude from a bottom surface of the trench region. The protrusion portions extend along the trench region in a plan view. | 06-19-2014 |
20140167070 | ELECTRONIC CHIP AND METHOD OF FABRICATING THE SAME - Provided are an electronic chip and a method of fabricating the same. The semiconductor chip may include a substrate, an active device integrated on the substrate, a lower interlayered insulating layer covering the resulting structure provided with the active device, a passive device provided on the lower interlayered insulating layer, an upper interlayered insulating layer covering the resulting structure provided with the passive device, and a ground electrode provided on the upper interlayered insulating layer. The upper interlayered insulating layer may be formed of a material, whose dielectric constant may be higher than that of the lower interlayered insulating layer. | 06-19-2014 |
20140167111 | TRANSISTOR AND METHOD OF FABRICATING THE SAME - A field effect transistor includes an active layer and a capping layer sequentially stacked on a substrate, and a gate electrode penetrating the capping layer and being adjacent to the active layer. The gate electrode includes a foot portion adjacent to the active layer and a head portion having a width greater than a width of the foot portion. The foot portion of an end part of the gate electrode has a width less than a width of the head portion of another part of the gate electrode and greater than a width of the foot portion of the another part of the gate electrode. The foot portion of the end part of the gate electrode further penetrates the active layer so as to be adjacent to the substrate. | 06-19-2014 |
Patent application number | Description | Published |
20080251858 | FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - A field effect transistor having a T- or Γ-shaped fine gate electrode of which a head portion is wider than a foot portion, and a method for manufacturing the field effect transistor, are provided. A void is formed between the head portion of the gate electrode and a semiconductor substrate using an insulating layer having a multi-layer structure with different etch rates. Since parasitic capacitance between the gate electrode and the semiconductor substrate is reduced by the void, the head portion of the gate electrode can be made large so that gate resistance can be reduced. In addition, since the height of the gate electrode can be adjusted by adjusting the thickness of the insulating layer, device performance as well as process uniformity and repeatability can be improved. | 10-16-2008 |
20090146184 | SEMICONDUCTOR DEVICE WITH T-GATE ELECTRODE AND METHOD FOR FABRICATING THE SAME - Provided are a semiconductor device with a T-gate electrode capable of improving stability and a high frequency characteristic of the semiconductor device by reducing source resistance, parasitic capacitance, and gate resistance and a method of fabricating the same. In the semiconductor device, in order to form source and drain electrodes and the T-gate electrode on a substrate, first and second protective layers constructed with silicon oxide layers or silicon nitride layers are formed on sides of a supporting part under a head part of the T-gate electrode, and the second protective layer constructed with a silicon oxide layer or silicon nitride layer is formed on sides of the source and drain electrodes. Accordingly, it is possible to protect an activated region of the semiconductor device and reduce gate-drain parasitic capacitance and gate-source parasitic capacitance. | 06-11-2009 |
20090146724 | SWITCHING CIRCUIT FOR MILLIMETER WAVEBAND CONTROL CIRCUIT - Provided is a switching circuit for a millimeter waveband control circuit. The switching circuit for a millimeter waveband control circuit includes a switching cell disposed on a signal port path to match an interested frequency and including at least one transistor coupled vertically to an input/output transmission line and a plurality of ground via holes disposed symmetrically in an upper portion and a lower portion of the input/output transmission line; capacitors for stabilizing a bias of the switching cell; and bias pads coupled in parallel to the capacitor to control the switching cell. Therefore, the switching circuit may be useful to improve its isolation by simplifying its design and layout through the use of symmetrical structure of optimized switching cells without the separate use of different switch elements, and also to reduce its manufacturing cost through the improved yield of the manufacturing process and the enhanced integration since it is possible to reduce a chip size of an integrated circuit in addition to its low insertion loss. | 06-11-2009 |
20090170250 | TRANSISTOR OF SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a transistor of a semiconductor device and method of fabricating the same. The transistor includes: an epitaxy substrate disposed on a semi-insulating substrate and having a buffer layer, a first Si planar doping layer, a first conductive layer, a second Si planar doping layer, and a second conductive layer, which are sequentially stacked, the second Si planar doping layer having a doping concentration different from that of the first Si planar doping layer; a source electrode and a drain electrode diffusing into the first Si planar doping layer to a predetermined depth and disposed on both sides of the second conductive layer to form an ohmic contact; and a gate electrode disposed on the second conductive layer between the source and drain electrodes and being in contact with the second conductive layer. In this structure, both isolation and switching speed of the transistor can be increased. Also, the maximum voltage limit applied to the transistor is increased due to increases in gate turn-on voltage and threshold voltage and a reduction in parallel conduction element. As a result, the power handling capability of the transistor can be improved, thus improving a high-power low-distortion characteristic and an isolation characteristic. | 07-02-2009 |
20110143507 | TRANSISTOR OF SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a transistor of a semiconductor device and a method of fabricating the same. The transistor of a semiconductor device includes an epitaxial substrate having a buffer layer, a first silicon (Si) planar doped layer, a first conductive layer, a second Si planar doped layer having a different dopant concentration from the first Si planar doped layer, and a second conductive layer, which are sequentially formed on a semi-insulating substrate; a source electrode and a drain electrode formed on both sides of the second conductive layer to penetrate the first Si planar doped layer to a predetermined depth to form an ohmic contact; and a gate electrode formed on the second conductive layer between the source electrode and the drain electrode to form a contact with the second conductive layer, wherein the gate electrode, the source electrode and the drain electrode are electrically insulated by an insulating layer, and a predetermined part of an upper part of the gate electrode is formed to overlap at least one of the source electrode and the drain electrode. Therefore, a maximum voltage that can be applied to the switching device is increased due to increases of a gate turn-on voltage and a breakdown voltage, and decrease of a parallel conduction component. As a result of this improved power handling capability, high-power and low-distortion characteristics and high isolation can be expected from the switching device. | 06-16-2011 |
20130020649 | NITRIDE ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a nitride electronic device and a method for manufacturing the same, and particularly, to a nitride electronic device and a method for manufacturing the same that can implement various types of nitride integrated structures on the same substrate through a regrowth technology (epitaxially lateral over-growth: ELOG) of a semi-insulating gallium nitride (GaN) layer used in a III-nitride semiconductor electronic device including Group III elements such as gallium (Ga), aluminum (Al) and indium (In) and nitrogen. | 01-24-2013 |
20130069127 | FIELD EFFECT TRANSISTOR AND FABRICATION METHOD THEREOF - A method for fabricating a field effect transistor according to an exemplary embodiment of the present disclosure includes: forming an active layer, a cap layer, an ohmic metal layer and an insulating layer on a substrate; forming multilayered photoresists on the insulating layer; patterning the multilayered photoresists to form a photoresist pattern including a first opening for gate electrode and a second opening for field electrode; etching the insulating layer by using the photoresist pattern as an etching mask so that the insulating layer in the first opening is etched more deeply and the cap layer is exposed through the first opening; etching the cap layer exposed by etching the insulating layer through the first opening to form a gate recess region; and depositing a metal on the gate recess region and the etched insulating layer to form a gate-field electrode layer. | 03-21-2013 |
20130069173 | POWER SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - Disclosed are a power semiconductor device and a method of fabricating the same which can increase a breakdown voltage of the device through a field plate formed between a gate electrode and a drain electrode and achieve an easier manufacturing process at the same time. The power semiconductor device according to an exemplary embodiment of the present disclosure includes a source electrode and a drain electrode formed on a substrate; a dielectric layer formed between the source electrode and the drain electrode to have a lower height than heights of the two electrodes and including an etched part exposing the substrate; a gate electrode formed on the etched part; a field plate formed on the dielectric layer between the gate electrode and the drain electrode; | 03-21-2013 |
20130146944 | SEMICONDUCTOR DEVICE INCLUDING STEPPED GATE ELECTRODE AND FABRICATION METHOD THEREOF - Disclosed are a semiconductor device including a stepped gate electrode and a method of fabricating the semiconductor device. The semiconductor device according to an exemplary embodiment of the present disclosure includes: a semiconductor substrate having a structure including a plurality of epitaxial layers and including an under-cut region formed in a part of a Schottky layer in an upper most part thereof; a cap layer, a first nitride layer and a second nitride layer sequentially formed on the semiconductor substrate to form a stepped gate insulating layer pattern; and a stepped gate electrode formed by depositing a heat-resistant metal through the gate insulating layer pattern, wherein the under-cut region includes an air-cavity formed between the gate electrode and the Schottky layer. | 06-13-2013 |
20130187197 | HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed is a manufacturing method of a high electron mobility transistor. The method includes: forming a source electrode and a drain electrode on a substrate; forming a first insulating film having a first opening on an entire surface of the substrate, the first opening exposing a part of the substrate; forming a second insulating film having a second opening within the first opening, the second opening exposing a part of the substrate; forming a third insulating film having a third opening within the second opening, the third opening exposing a part of the substrate; etching a part of the first insulating film, the second insulating film and the third insulating film so as to expose the source electrode and the drain electrode; and forming a T-gate electrode on a support structure including the first insulating film, the second insulating film and the third insulating film. | 07-25-2013 |
20130292689 | WAFER LEVEL PACKAGED GAN POWER SEMICONDUCTOR DEVICE AND THE MANUFACTURING METHOD THEREOF - Disclosed are a GaN (gallium nitride) compound power semiconductor device and a manufacturing method thereof. The gallium nitride compound power semiconductor device includes: a gallium nitride compound element formed by being grown on a wafer; a contact pad including a source, a drain, and a gate connecting with the gallium nitride compound element; a module substrate to which the nitride gallium compound element is flip-chip bonded; a bonding pad formed on the module substrate; and a bump formed on the bonding pad of the module substrate so that the contact pad and the bonding pad are flip-chip bonded. By this configuration, it is possible to reduce the process costs by forming the bump on the substrate based on the wafer level, rapidly emit the heat generated from an AlGaN HEMT device by forming the sub source contact pad and the sub drain contact pad of the substrate in the active region, and efficiently emit the heat generated from the AlGaN HEMT device by forming a via hole on the substrate and filling the via hole with the conductive metal. | 11-07-2013 |
20140017885 | METHOD OF MANUFACTURING FIELD EFFECT TYPE COMPOUND SEMICONDUCTOR DEVICE - Disclosed is a method of manufacturing a field effect type compound semiconductor device in which leakage current of a device is decreased and breakdown voltage is enhanced. The method of manufacturing a field effect type compound semiconductor device includes: stacking an active layer and an ohmic layer on a substrate and forming a first oxide layer on the ohmic layer; forming a mesa region in predetermined regions of the first oxide layer, the ohmic layer, and the active layer; planarizing the mesa region after forming a nitride layer by evaporating a nitride on the mesa region; forming an ohmic electrode on the first oxide layer; forming a minute gate resist pattern after forming a second oxide layer on a semiconductor substrate in which the ohmic electrode is formed and forming a minute gate pattern having a under-cut shaped profile by dry-etching the first oxide layer, the nitride layer, and the second oxide layer; forming a gate recess region by forming a head pattern of a gamma gate electrode on the semiconductor substrate; and forming the gamma gate electrode by evaporating refractory metal on the semiconductor substrate in which the gate recess region is formed. | 01-16-2014 |
20140213045 | NITRIDE ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a nitride electronic device and a method for manufacturing the same, and particularly, to a nitride electronic device and a method for manufacturing the same that can implement various types of nitride integrated structures on the same substrate through a regrowth technology (epitaxially lateral over-growth: ELOG) of a semi-insulating gallium nitride (GaN) layer used in a III-nitride semiconductor electronic device including Group III elements such as gallium (Ga), aluminum (Al) and indium (In) and nitrogen. | 07-31-2014 |
20140363937 | POWER SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - Disclosed are a power semiconductor device and a method of fabricating the same which can increase a breakdown voltage of the device through a field plate formed between a gate electrode and a drain electrode and achieve an easier manufacturing process at the same time. The power semiconductor device according to an exemplary embodiment of the present disclosure includes a source electrode and a drain electrode formed on a substrate; a dielectric layer formed between the source electrode and the drain electrode to have a lower height than heights of the two electrodes and including an etched part exposing the substrate; a gate electrode formed on the etched part; a field plate formed on the dielectric layer between the gate electrode and the drain electrode; and a metal configured to connect the field plate and the source electrode. | 12-11-2014 |
20150087142 | HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed is a manufacturing method of a high electron mobility transistor. The method includes: forming a source electrode and a drain electrode on a substrate; forming a first insulating film having a first opening on an entire surface of the substrate, the first opening exposing a part of the substrate; forming a second insulating film having a second opening within the first opening, the second opening exposing a part of the substrate; forming a third insulating film having a third opening within the second opening, the third opening exposing a part of the substrate; etching a part of the first insulating film, the second insulating film and the third insulating film so as to expose the source electrode and the drain electrode; and forming a T-gate electrode on a support structure including the first insulating film, the second insulating film and the third insulating film. | 03-26-2015 |
Patent application number | Description | Published |
20090298829 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient. | 12-03-2009 |
20100120783 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient. | 05-13-2010 |
20110224219 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient. | 09-15-2011 |
20110237795 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient. | 09-29-2011 |
20110245500 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient. | 10-06-2011 |
Patent application number | Description | Published |
20100162397 | APPARATUS AND METHOD FOR PROTECTING ASSET IN COMPUTER SYSTEM - Provided are an apparatus and method using spatial and temporal quarantine expansion to prevent important information from being leaked due to attacks such as viruses, hacking, and the like. The apparatus includes a state change unit for changing a state of at least one of a memory, a register, and a port in the computer system; a state calculation unit for calculating information on the changed state of the computer system; a security-threat-element elimination unit for eliminating security threat elements from the computer system; a communication unit for transmitting the state information calculated by the state calculation unit to the quarantine station, or receiving control information for controlling the computer system based on the state information, from the quarantine station; and a security execution unit for receiving security information from the quarantine station to execute a specific program when the computer system is faultless, wherein the state information and the control information are transmitted or received until the computer system is faultless repeatedly. | 06-24-2010 |
20130136260 | WCDMA 3G VOICE COMMUNICATION PROTECTION METHOD AND TERMINAL USING THE SAME - A WCDMA 3G voice communication protection method and a terminal using the method are provided. The method is performed by a terminal operating in conjunction with an S-USIM for voice communication protection. When a calling terminal connects a voice communication channel to a called terminal, secure voice communication is prepared for by collecting information about relevant voice communication. At the calling terminal, synchronous data is set by exchanging the voice communication information with the called terminal, and a secure synchronization procedure is performed based on the set synchronous data. At each of S-USIMs that operate in conjunction with the calling and called terminals, a session key for secure voice communication is generated based on the synchronous data. Secure communication is performed by encrypting and transmitting voice-coded data to be transmitted based on the session key, and decrypting and reproducing received voice-coded data based on the session key. | 05-30-2013 |
20130156192 | MOBILE COMMUNICATION TERMINAL AND METHOD - A mobile communication terminal used in wideband code division multiple access (WCDMA) 3G mobile communication includes: a communication terminal unit configured to receive a short text message from a user and transmit encrypted data generated by encrypting the short text message; and a secure-universal subscriber identity module (S-USIM) unit configured to generate a session key for encrypting the short text message, when receiving a request to encrypt the short text message from a communication terminal unit. | 06-20-2013 |
Patent application number | Description | Published |
20080305168 | In-Situ Melting and Gelling Tablet Composition For Oral Care - Disclosed herein is an oral care composition that provides pleasant cooling sensation and easy delivery of an oral care active ingredient. The tablet-type oral care composition of the present invention is prepared by compressing porous plastic granules at a pressure of 500 kg/cm2 or less and undergoes in situ melting and gelling by saliva or water in the buccal cavity, or by chewing. Upon direct administration of the composition to the buccal cavity, the composition undergoes melting and gelling by water or saliva, or by chewing action, and works to maintain oral health via gargling or mouth washing. Therefore, the formulation of the present invention advantageously reduces inconvenience of conventional liquid or ointment-like oral care products and also provides easy portability. | 12-11-2008 |
20130117949 | ELECTRIC TOOTHBRUSH WITH EXCELLENT VIBRATION EFFICIENCY - The present disclosure relates to an electric toothbrush, and more particularly, to an electric toothbrush, which has excellent vibration efficiency since vibrations of the vibration motor are directly transferred to the bristle holder, saves the battery power, reduces a size of the toothbrush, decreases the thickness of the head portion, allows the vibration motor to be stably fixed in a fixing groove formed at the upper surface of the head portion, and reduces noise. | 05-16-2013 |
20130198987 | INTERDENTAL CLEANING MEMBER AND MANUFACTURING METHOD THEREOF - The present disclosure relates to an interdental cleaning member and a manufacturing method thereof, and more particularly, to an interdental cleaning member and a manufacturing method thereof, which may easily remove food residues between teeth without damaging the gums. | 08-08-2013 |
Patent application number | Description | Published |
20090325043 | MIDDLE OR LARGE-SIZED BATTERY MODULE - Disclosed herein is a middle- or large-sized battery module comprising a plurality of stacked unit cells, each unit module including two or more plate-shaped battery cells electrically connected with each other, each battery cell having electrode terminals formed at opposite sides thereof. The battery module is manufactured by connecting electrode terminals of a pair of unit modules by welding, mounting a sensing unit, including a sensing member, to the welding part and bending the welding part such that the unit modules are stacked, and repeatedly performing the above processes until all the unit cells are stacked. | 12-31-2009 |
20100092848 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY IN COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, and the battery pack case is further provided with beads formed in a concavo-convex shape for improving the structural stability of the battery pack case against an external force, the beads being constructed in a structure in which the beads do not disturb the flow of the coolant from the coolant inlet port along the advancing direction of a fluid in a flow space defined between the coolant inlet port and the battery module. | 04-15-2010 |
20100203376 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY IN COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, and the battery pack case is further provided with a flow space (‘inlet duct’) extending from the coolant inlet port to the battery module and another flow space (Outlet duct’) extending from the battery module to the coolant outlet port, the inlet duct having a vertical sectional area less than that of the outlet duct. | 08-12-2010 |
20110171512 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, and the battery pack case is further provided with beads formed in a concavo-convex shape for improving the structural stability of the battery pack case against an external force, the beads being constructed in an outwardly-protruding structure to allow the coolant to be uniformly introduced into the battery module from the coolant inlet port in the advancing direction of a fluid in a flow space (“inlet duct”) defined between the coolant inlet port and the battery module. | 07-14-2011 |
20110262791 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, the battery pack case is further provided with a flow space (‘inlet duct’) extending from the coolant inlet port to the battery module and another flow space (‘outlet duct’) extending from the battery module to the coolant outlet port, and one or more guide members are disposed in the inlet duct for guiding the flow of the coolant in the direction parallel to the stacking direction of the battery cells. | 10-27-2011 |
20120237806 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY IN COOLANT FLUX - A middle- or large-sized battery pack case is provided in which a battery module having a plurality of stacked battery cells is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells. The battery pack case includes beads formed in a concavo-convex shape for improving the structural stability of the battery pack case against an external force, the beads being constructed in a structure in which the beads do not disturb the flow of the coolant from the coolant inlet port along the advancing direction of a fluid in a flow space defined between the coolant inlet port and the battery module. | 09-20-2012 |
20140178734 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, the battery pack case is further provided with a flow space (‘inlet duct’) extending from the coolant inlet port to the battery module and another flow space (‘outlet duct’) extending from the battery module to the coolant outlet port, and one or more guide members are disposed in the inlet duct for guiding the flow of the coolant in the direction parallel to the stacking direction of the battery cells. | 06-26-2014 |
Patent application number | Description | Published |
20090285920 | NATURAL ANTIBIOTICS CONTAINING A FERMENTATION PRODUCT OF GARLIC BY LACTOBACILLI - The present invention relates to an antibacterial composition including a fermented garlic solution that is fermented by lactic acid bacteria. More specifically, it provides an antibacterial substance active against gram-positive and gram-negative bacteria, yeast, and antibiotic-resistant bacteria. An antibacterial composition according to the present invention that includes a fermented garlic solution that is fermented by lactic acid bacteria as an active ingredient controls the growth of bacteria or fungi, and is thereby able to prevent and treat infections thereof. | 11-19-2009 |
20100143514 | ANTIVIRAL AGENTS CONTAINING A FERMENTATION PRODUCT OF GARLIC BY LACTIC ACID BACTERIA - An antiviral substance including a fermentation product of garlic that is fermented by lactic acid bacteria is provided. More specifically, an antiviral agent including a fermentation product of garlic, that is fermented by lactic acid bacteria, as an active ingredient is provided. The antiviral agent including a fermentation product of garlic fermented by lactic acid bacteria is useful as a preventing or treating agent of viral infection by inhibiting viruses. | 06-10-2010 |
20100159038 | NATURAL ANTIBIOTICS CONTAINING A FERMENTATION PRODUCT OF GARLIC BY LACTOBACILLI - The present invention relates to an antibacterial composition including a fermented garlic solution that is fermented by lactic acid bacteria. More specifically, it provides an antibacterial substance active against gram-positive and gram-negative bacteria, yeast, and antibiotic-resistant bacteria. An antibacterial composition according to the present invention that includes a fermented garlic solution that is fermented by lactic acid bacteria as an active ingredient controls the growth of bacteria or fungi, and is thereby able to prevent and treat infections thereof. | 06-24-2010 |
20100159039 | ANTIVIRAL AGENTS CONTAINING A FERMENTATION PRODUCT OF GARLIC BY LACTIC ACID BACTERIA - An antiviral substance including a fermentation product of garlic that is fermented by lactic acid bacteria is provided. More specifically, an antiviral agent including a fermentation product of garlic, that is fermented by lactic acid bacteria, as an active ingredient is provided. The antiviral agent including a fermentation product of garlic fermented by lactic acid bacteria is useful as a preventing or treating agent of viral infection by inhibiting viruses. | 06-24-2010 |
20130116297 | NOVEL FUSARISETIN COMPOUNDS, AND USE THEREOF - The present invention relates to novel fusarisetin compounds separated from | 05-09-2013 |
Patent application number | Description | Published |
20080267227 | Gain-clamped optical amplifier using double-clad fiber - Provided is a gain-clamped optical amplifier amplifying light without bandwidth loss of an incident optical signal, and the gain-clamped optical amplifier using a double-clad fiber comprises: an optical fiber including a core doped with a gain material for amplifying an optical signal, a primary clad adjacent to the outside of the core and having a lower refractive index than the core, and a secondary clad adjacent to the outside of the primary clad and having a lower refractive index than the primary clad; a light emitting element emitting a pump light for population inversion of the gain material; and a cavity unit producing laser oscillation by resonating spontaneous emission light emitted from the gain material population-inverted by the pump light. | 10-30-2008 |
20090147350 | AMPLIFIED SPONTANEOUS EMISSION REFLECTOR-BASED GAIN-CLAMPED FIBER AMPLIFIER - Provided is an all-optical gain-clamped fiber amplifier, comprising transmission and isolation means for periodically transmitting an optical signal or reflecting amplified spontaneous emission (ASE) back to a gain medium. The transmission and isolation means can be embodied by an optical interleaver or a number of optical fiber Bragg gratings. Accordingly, an optical signal can be amplified across the entire C-band, and an ASE reflector-based gain-clamped fiber amplifier having a wider dynamic range than conventional amplifiers can be implemented. | 06-11-2009 |
20110141758 | OPTICAL COUPLER AND ACTIVE OPTICAL MODULE COMPRISING THE SAME - Provided are an optical coupler, which can improve miniaturization and integration, and an active optical module comprising the same. The optical coupler comprises a hollow optical block having a through hole formed to pass an optical fiber therethrough. The hollow optical block comprises at least one incidence plane, at least one internal reflection plane, and at least one tapering region. The incidence plane is disposed at the bottom of the hollow optical block, which is parallel to the through hole, to incident-transmit light. The internal reflection plane is disposed at the top of the hollow optical block, which is opposite to the incidence plane, to reflect the light, which is received from the incidence plane, into the hollow optical block. The tapering region is configured to concentrate the light on the optical fiber in the through hole. The tapering region is formed such that the outer diameter of the hollow optical block decreases away from the internal reflection plane and the incidence plane. | 06-16-2011 |
20110261580 | OPTICAL FIBER COUPLER, METHOD OF MANUFACTURING THE SAME, AND ACTIVE OPTICAL MODULE - Provided are an optical fiber coupler, a method of manufacturing the same, and an active optical module. The optical fiber coupler comprises a first core, a first optical fiber, and a plurality of second optical fibers. The first optical fiber comprises a first cladding surrounding a first core. The plurality of second optical fibers have a tapering region of a cylindrical shape and surround the first cladding of the first optical fiber. Here, the first core has the same diameter within the tapering region. | 10-27-2011 |
20120213235 | OPTICAL COUPLERS AND ACTIVE OPTICAL MODULES USING THE SAME - Provided are an optical coupler and an active optical module including the same. The optical coupler includes at least one first optical fiber, a second optical fiber, and a hollow optical block. The at least one first optical fiber transfers pump light. The second optical fiber includes a cladding with a facet enlarged from a first outer diameter to a second outer diameter, and passes the pump light which is transferred through the first optical fiber. The hollow optical block includes a through hole, an incident surface, and a coupling surface. The through hole passes the cladding with the first outer diameter. The incident surface is connected to the first optical fiber at a side end of the through hole. The coupling surface is joined to the facet of the second optical fiber at the other side end of the through hole facing the incident surface. | 08-23-2012 |
20140027727 | ORGANIC LIGHT EMITTING DEVICES AND METHODS OF FABRICATING THE SAME - Disclosed are organic light emitting devices and methods of fabricating the same. The organic light emitting device may include light scattering parts having irregular island-shapes irregularly arranged. The organic light emitting device may further include a planarization layer, a first electrode, an organic light emitting layer, a second electrode, and an encapsulation layer. The light scattering parts may be formed using an organic solution having a low refractive index to improve light extraction efficiency of the organic light emitting device. Additionally, the light scattering parts of the irregular island-shapes may improve the light extraction efficiency of lights of all wavelengths, so as to be applied to an organic white light emitting device. The light scattering parts of the irregular island-shapes may be formed using the organic solution by a dewetting phenomenon. The light scattering parts may be formed at a temperature of about 250 degrees Celsius or less. | 01-30-2014 |
20140029267 | CHEMICAL COMPOUND BEING USED FOR FORMING A RANDOM WRINKLE STRUCTURE, COMPOSITION CONTAINING THE COMPOUND, FILM HAVING THE STRUCTURE, METHOD OF FORMING THE FILM, AND OLED COMPRISING THE FILM - Provided are a random wrinkle structure-formable compound, a composition including the same, a film including a random wrinkle structure, a method of forming the film, and an organic light emitting device including the film. A compound according to the present invention is coated and then, a film having a surface structure of random wrinkles may be simply formed through simple ultraviolet (UV) curing or thermosetting. When the film thus formed is used in an organic light emitting device, light generated from the organic light emitting device is scattered on surfaces of the random wrinkles to prevent light guide or total reflection, and thus, light is extracted to the outside. That is, a random structure disposed at the outside of the device performs a light extraction function and consequently, light efficiency of the organic light emitting device may be increased. | 01-30-2014 |
20140030830 | METHOD OF FABRICATING ORGANIC LIGHT EMITTING DEVICE - Provided is a method of fabricating an organic light emitting device that may form a light scattering layer having an irregular random structure at a low temperature. The method includes providing a substrate coated with a precursor layer; sequentially forming a metal layer and an organic layer on the precursor layer; performing a heat treatment of the organic layer to form an organic mask from the organic layer; patterning the metal layer by using the organic mask to form a metal mask; patterning the precursor layer by using the metal mask to form a light scattering layer having an irregular random structure; removing the metal mask and the organic mask; and sequentially stacking a planarization layer, a first electrode, an organic light emitting layer, a second electrode, and a passivation layer on the light scattering layer. | 01-30-2014 |
20140077170 | HYBRID LIGHT EMITTING DEVICE - Provided is a hybrid light emitting device. The hybrid light emitting device may include the first light emitting part on the substrate, the capping layer, and the second light emitting part. The first light emitting part may emit light having a first wavelength, and the first light emitting part may include a first electrode, an organic emitting layer, and a second electrode sequentially disposed. A second light emitting part may generate light having a second wavelength. A capping layer may be disposed between the organic emitting layer and the second light emitting part. The capping layer may reflect light having the first wavelength and transmit light having the second wavelength. | 03-20-2014 |
20140158997 | DUAL-MODE PIXEL INCLUDING EMISSIVE AND REFLECTIVE DEVICES AND DUAL-MODE DISPLAY WITH THE SAME - Provided is a dual-mode display including a substrate, and a plurality of sub pixels on the substrate. Each of the sub pixels may include an emissive device, a reflective optical filter provided on a surface of the emissive device, and an optical shutter provided on other surface of the emissive device. | 06-12-2014 |
20150068252 | OPTICAL FIBER DRAWING APPARATUS HAVING SIMPLE STRUCTURE AND OPTICAL FIBER DRAWING METHOD USING THE SAME - Provided is an optical fiber drawing apparatus and optical fiber drawing method using the same. The apparatus may include a crucible accommodating core and clad sources and having a bottom hole through which the core and clad sources pass, and a plug disposed under the crucible, the plug passing through the bottom hole. The plug may include a bottom plug disposed under the crucible to close the bottom hole, and a first upper plug disposed on the bottom plug to pass through the bottom hole. | 03-12-2015 |
Patent application number | Description | Published |
20110046277 | PHOTOSENSITIVE POLYIMIDE AND PHOTOSENSITIVE RESIN COMPOSITION COMPRISING THE SAME - The present invention relates to polyimide or precursor thereof represented by Chemical Formula 1 or 2 and a photosensitive resin composition including the same. The polyimide or precursor thereof are fabricated using diamine comprising polyalkyleneoxide. The photosensitive resin composition of the present invention has excellent light transmissivity, an excellent resolution, and excellent photo sensitivity and image forming performance. Further, the photosensitive resin composition has high adhesiveness with substrates, such as a silicon film, a silicon oxide film, and a metal film. In particular, an excellent film without failure, such as crack, can be formed. | 02-24-2011 |
20110117332 | ACRYLATE RESIN, PHOTORESIST COMPOSITION COMPRISING THE SAME, AND PHOTORESIST PATTERN - Disclosed are an acrylate resin included in a chemically amplified photoresist composition for forming a thick film, a chemically amplified photoresist composition including the same, and a photoresist pattern fabricated therefrom. The photoresist composition including the acrylate resin can achieve an improvement of sensitivity without damaging major characteristics such as compatibility (dispersion stability), spreading characteristics, developing characteristics, and resolution. In addition, a thick resist pattern can be formed with such a composition, and the pattern can have excellent sensitivity, developing characteristics, pattern characteristics, crack resistance, and plating resistance. | 05-19-2011 |
20110223538 | PHOTOSENSITIVE ORGANIC INSULATOR COMPOSITION FOR OLED DEVICE - Polyimide or a precursor thereof represented by Chemical Formula 1 or 2 and a photosensitive organic insulator composition having the same are disclosed. The polyimide or the precursor thereof is prepared from diamine including polyalkyleneoxide. The use of the photosensitive organic insulator composition can allow for low temperature curing and shorten a curing time, form a low taper angle, and implement a high sensitivity and high residual film. Also, since the photosensitive organic insulator composition, as a positive photosensitive composition, has excellent solubility with respect to an alkali solution of an exposed portion, the generation of impurity can be minimized. | 09-15-2011 |
20140093788 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly. | 04-03-2014 |
20140093789 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly. | 04-03-2014 |
20140186722 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are a non-aqueous electrolyte solution including propylene carbonate (PC) and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, capacity characteristics, and swelling characteristics. | 07-03-2014 |
20140272605 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution which includes a lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and an additive including a vinylene carbonate-based compound and a sultone-based compound, and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and capacity characteristics. | 09-18-2014 |
20150017530 | ELECTRODE WITH ENHANCED CYCLE LIFE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to an electrode for a secondary battery including an electrode current collector, an electrode active material combination layer formed on one or both sides of the electrode current collector, and a polyurethane-based coating layer formed on the electrode active material combination layer, and a lithium secondary battery including the same. | 01-15-2015 |
20150079467 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode for secondary batteries and a secondary battery including the same. The anode includes an anode mixture including an anode active material, coated on a current collector, wherein the anode active material includes lithium titanium oxide (LTO) particles provided on surfaces thereof with a cross-linked polymer coating layer, wherein the LTO particles with the cross-linked polymer coating layer formed thereon retain a porous structure formed therebetween, and a cross-linked polymer of the coating layer is a phosphate-based compound. | 03-19-2015 |
20150079480 | SECONDARY BATTERY INCLUDING ELECTROLYTE ADDITIVE - Disclosed is a secondary battery including an electrode assembly, which includes a cathode, an anode and a separator interposed therebetween, and an electrolyte, wherein the anode includes lithium titanium oxide (LTO) as an anode active material and the electrolyte contains a phosphate-based compound as an additive. | 03-19-2015 |
20150086880 | LITHIUM SECONDARY BATTERY HAVING IMPROVED LIFESPAN CHARACTERISTICS - Disclosed is a lithium secondary battery having improved lifespan characteristics. More particularly, a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and anode, and an electrolyte, wherein the anode comprises lithium titanium oxide (LTO) as an anode active material, the electrolyte comprises a lithium salt; a non-aqueous-based solvent; and (a) a phosphate compound which can prevent gas generation during high-temperature storage, (b) a sulfonate compound which can reduce discharge resistance by forming a low-resistance SEI layer, or a mixture of the compound (a) and the compound (b), is disclosed. | 03-26-2015 |
Patent application number | Description | Published |
20090148542 | Composition comprising an extract of tiarella polyphylla and tiarellic acid isolated therefrom having antiinflammatory, antiallergic and antiasthmatic activity - The present invention relates to a composition comprising an extract of | 06-11-2009 |
20090324750 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 12-31-2009 |
20120183632 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 07-19-2012 |
20120184499 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 07-19-2012 |
20130108652 | ASTHMA DIAGNOSIS USING THE NEUROPILIN-1 GENE, AND METHOD FOR SCREENING FOR A THERAPEUTIC AGENT FOR ASTHMA | 05-02-2013 |
20130164395 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING INFLAMMATORY DISEASES, ALLERGIC DISEASES OR ASTHMA, CONTAINING DIOSPYROS BLANCOI A. DC. EXTRACT AS ACTIVE INGREDIENT - Disclosed is a pharmaceutical composition for the prophylaxis and therapy of inflammatory diseases, allergic diseases, or asthma, comprising a velvet apple ( | 06-27-2013 |
20130244959 | Composition Containing Styraxlignolide A or the Aglycone Thereof as an Active Ingredient for Preventing or Treating Asthma - The present invention relates to a pharmaceutical composition for preventing or treating asthma, the composition containing styraxlignolide A or an aglycone thereof as an active ingredient. More particularly, styraxlignolide A compound is one separated from stems and barks of | 09-19-2013 |
20140072664 | DAPHNE GENKWA EXTRACTS, AND PHARMACEUTICAL COMPOSITION CONTAINING FRACTIONS OF THE EXTRACTS OR COMPOUNDS SEPARATED FROM THE EXTRACTS AS ACTIVE INGREDIENTS FOR PREVENTING OR TREATING ATOPIC DERMATITIS - The present invention relates to a pharmaceutical composition for the prevention or treatment of atopy comprising the extract of | 03-13-2014 |
20140364492 | PHORBOL TYPE DITERPENE COMPOUND, PHARMACEUTICAL COMPOSITION FOR TREATMENT OR PREVENTION OF VIRAL INFECTIOUS DISEASES INCLUDING SAME - The present invention relates to a diterpene compound derived from | 12-11-2014 |
20140370126 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING INFLAMMATORY DISEASES OR ASTHMA, CONTAINING LAGERSTROEMIA OVALIFOLIA EXTRACT OR FRACTION THEREOF AS ACTIVE INGREDIENT - The present invention relates to a pharmaceutical composition for preventing or treating inflammatory diseases or asthma comprising a | 12-18-2014 |
20140371311 | INGENANE-TYPE DITERPENE COMPOUND, AND PHARMACEUTICAL COMPOSITION FOR TREATING OR PREVENTING VIRAL INFECTIOUS DISEASES CONTAINING SAME - The present invention relates to an injenane-type diterpene compound derived from | 12-18-2014 |
Patent application number | Description | Published |
20090135244 | METHOD FOR CAPTURING CONVERGENT-TYPE MULTI-VIEW IMAGE - Provided is a method for convergent type three-dimensional (3D) multi-viewpoint image acquisition. The method for acquiring a multi-viewpoint image in an image acquisition apparatus comprises the steps of: converting the image acquisition apparatus to a multi-viewpoint image photographing mode; if converted to the multi-viewpoint image photographing mode in the converting step, providing a plurality of geometric shapes to set a position of an object to be photographed within a screen and selecting a desired shape of the geometric shapes in response to an inputted shape selection signal; if the desired geometric shape is selected in the shape providing step, adjusting a position and a size of the selected geometric shape in response to a shape adjustment signal; and photographing a whole image having the object that places within the adjusted geometric shape in the adjusting step. | 05-28-2009 |
20120127266 | METHOD AND APPARATUS FOR PROVIDING STEREOSCOPIC 3D BROADCASTING SERVICE COMPATIBLE WITH HD BROADCASTING SERVICE - A method and apparatus for providing a broadcasting service are provided. The broadcasting service may be classified based on a broadcasting service type, such as a frame-compatible service, and a service-compatible service. Additionally, a descriptor may be generated based on the broadcasting service type, and a compatibility between a stereoscopic three-dimensional (3D) broadcasting service and a single stream-based broadcasting service may be provided. | 05-24-2012 |
20140146178 | IMAGE PROCESSING APPARATUS AND METHOD USING SMART GLASS - An image processing apparatus using a smart glass is provided, the image processing apparatus including an extractor to extract a first target to be observed by a user from a first image received from the smart glass and generate a second image using the extracted first target, an information collector to collect information related to the first target, and an image generator to reconstruct a third image using at least one of the second image and the information related to the first target, based on user settings. | 05-29-2014 |
20140223506 | METHOD AND APPARATUS FOR DETERMINING BASE PCR IN MULTIPLE IMAGES FOR BROADCASTING SERVICE BASED ON MULTIPLE IMAGES - There is disclosed a method of synchronizing a first image and a second image forming multiple images in broadcasting service based on the multiple images. The method includes receiving a stream regarding the first stream and a stream regarding the second stream through a plurality of channels, obtaining the first image and the second image by decoding the stream regarding the first stream and the stream regarding the second stream and obtaining a base Program Clock Reference (PCR) descriptor in at least one of the stream regarding the first stream and the stream regarding the second stream, selecting a base stream based on the base PCR descriptor and determining a base PCR based on the base PCR descriptor, and synchronizing the first image and the second image based on the base PCR. | 08-07-2014 |
20150026242 | APPARATUS AND METHOD FOR PROVIDING CONTENT - A method of receiving content in a client is provided. The method may include receiving, from a server, a spatial set identifier (ID) corresponding to a tile group including at least one tile, sending, to the server, a request for first content corresponding to metadata, and receiving, from the server, the first content corresponding to the request. | 01-22-2015 |
Patent application number | Description | Published |
20100140706 | METHOD OF MANUFACTURING THIN FILM TRANSISTOR AND THIN FILM TRANSISTOR SUBSTRATE - Provided is a method of manufacturing a thin film transistor that can improve self-alignment. In this method, a semiconductor layer comprising a first doped region, a second doped region and a channel region is formed on a sacrificial layer on a first substrate. Next, the semiconductor layer is separated from the first substrate and is then coupled on a second substrate. Next, a dielectric layer is formed on the second substrate and the semiconductor layer, and a first photoresist layer is formed on the dielectric layer. Thereafter, the first photoresist layer is exposed to light from a rear surface of the second substrate by using the first doped region and the second doped region as a mask, to form a first mask pattern. Next, a gate electrode overlapping the channel region is formed on the dielectric layer by using the first mask pattern as a mask, and a source electrode and a drain electrode connected to the first doped region and the second doped region, respectively are formed to complete a thin film transistor. | 06-10-2010 |
20100141411 | TOUCH SCREEN AND METHOD OF OPERATING THE SAME - Provided are a touch screen and a method of operating the same. The touch screen includes a detecting part, a control part, and a tactile feedback part. The detecting part detects object's approach or contact. The control part receives a signal of the detecting part to output a feedback signal. The tactile feedback part receives the feedback signal of the control part to provide a tactile feedback to a contact position using a magnetic force. The tactile feedback uses the magnetic force of a magnetic dipole. | 06-10-2010 |
20110143034 | METHOD FOR DEPOSITING GRAPHENE FILM - Provided is a method of depositing a graphene film. In the method includes supplying a gaseous-phase graphene source to a substrate, forming an adsorbed layer on the substrate by the graphene source, and activating the adsorbed layer by heating the adsorbed layer. Therefore, a uniform graphene film having a large area can be formed. | 06-16-2011 |
20110143614 | PLASTIC SUBSTRATES AND METHODS OF FABRICATING THE SAME - Provided is a plastic substrate. The plastic substrate includes a carbon nanotube thin film having a matrix type mesh shape, and a plastic thin film support configured to at least fill spaces of the matrix type mesh shape and cover one side of the carbon nanotube thin film. The plastic substrate may have a low coefficient of thermal expansion and be flexible and conductive. | 06-16-2011 |
20120154899 | METHODS OF OPERATING A DISPLAY DEVICE - Provided are methods of operating display devices. The method includes applying a first electric field to a capsule including first particles having a first color and second particles having a second color to move the first and second particles into a first region of the capsule; and applying a second electric field to the capsule to move the second particles into a second region of the capsule different from the first region and to leave the first particles in the first region of the capsule. | 06-21-2012 |
20120161234 | METHOD OF MANUFACTURING THIN FILM TRANSISTOR AND THIN FILM TRANSISTOR SUBSTRATE - A thin film transistor substrate. The thin film transistor substrate includes a substrate, an adhesive layer on the substrate, and a semiconductor layer having a first doped region, a second doped region and a channel region on the adhesive layer. The thin film transistor substrate further includes a first dielectric layer on the semiconductor layer, a gate electrode overlapping the channel region, a second dielectric layer on the first dielectric layer and the gate electrode, a source electrode disposed on the second insulating layer, and a drain electrode spaced apart from the source electrode on the source electrode. The channel region is disposed between the first doped region and the second doped region, and has a transmittance higher than those of the first doped region and the second doped region. | 06-28-2012 |
20130081570 | MICRO BALLPOINT PEN AND PRINTING APPARATUS - Provided are a micro ballpoint pen enabling to print directly straight, oblique, curved, dashed, broken and wavy lines and a printing apparatus including the same. The micro ballpoint pen may include a tip body including a caulking portion, at least one inner protrusion, and at least one expansible or shrinkable elastic portion, a ball provided between the caulking portion and the inner protrusion, the ball contacting and rolling on a target printing object to eject ink onto the target printing object, a supporting bar pressing the ball toward the caulking portion to form an ink outflowing channel between the caulking portion and the ball, and a control part expanding or shrinking the elastic portion to control the ink outflowing channel. | 04-04-2013 |
20130119468 | THIN FILM TRANSISTOR AND METHOD OF FABRICATING THE SAME - A thin-film transistor may include a drain electrode, a source electrode, an active layer, a gate electrode, and a gate insulating layer. In a vertical sectional view, the gate insulating layer may be disposed between the active layer and the gate electrode to include a first inorganic layer, an organic layer, and a second inorganic layer sequentially stacked. According to a method of fabricating the thin-film transistor, the gate insulating layer may be formed between the steps of forming the active layer and the second electrode layer or between the steps of forming the first electrode layer and the second electrode layer. | 05-16-2013 |
20130141398 | DEVICE FOR MEASURING WRITING PRESSURE OF ELECTRONIC PEN - A device for measuring a writing pressure of electronic pen using a change of capacitance is disclosed. The device for measuring a writing pressure of electronic pen may include first and second fixed plates; a moving plate which constitutes a capacitive sensor together with the first and second fixed plates and moves between the first and second fixed plates according to a change of writing pressure; a tip which adheres to the moving plate to generate a writing pressure; and an elastic body restoring the moving plate to an original location when the moving plate moves from between the first and second fixed plates in a first direction. | 06-06-2013 |
20140084283 | THIN FILM TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - Provided are a thin film transistor and a method for manufacturing the same. The thin film transistor manufacturing method includes forming a gate electrode on a substrate, forming an active layer that is adjacent to the gate electrode and includes an oxide semiconductor, forming an oxygen providing layer on the active layer, forming a gate dielectric between the gate electrode and the active layer, forming source and drain electrodes coupled to the active layer, forming a planarizing layer covering the gate electrode and the gate dielectric, forming a hole exposing the active layer, and performing a heat treatment process onto the planarizing layer in an atmosphere of oxygen. | 03-27-2014 |
20140086289 | RADIO COMMUNICATION ANTENNA AND RADIO COMMUNICATION DEVICE - The present invention relates to a radio communication antenna and a radio communication device including the same. The radio communication antenna of the present invention includes first conductive wires extending in opposite directions with respect to a first direction on a substrate to form a dipole antenna, second conductive wires separated from the first conductive wires to be parallel with the first conductive wires, and stubs connected between the first conductive wires and the second conductive wires in a second direction intersecting with the first direction. | 03-27-2014 |
20140104676 | METHOD OF FABRICATING DISPLAY APPARATUS AND DISPLAY APPARATUS FABRICATED THEREBY - A method of fabricating a display apparatus includes forming a lower electrode on a lower substrate, forming a partition structure and an ink-injection tube connected to one end of the partition structure, the partition structure including first partitions, and second partitions, and cell regions defined by the first and second partitions, covering the partition structure with an upper electrode, and injecting an electronic ink through the ink-injection tube to fill the cell regions of the partition structure. | 04-17-2014 |
20140145160 | METHODS OF FORMING AN ORGANIC SCATTERING LAYER, AN ORGANIC LIGHT EMITTING DIODE WITH THE SCATTERING LAYER, AND A METHOD OF FABRICATING THE ORGANIC LIGHT EMITTING DIODE - Provided is a method of fabricating an organic scattering layer. The method may include providing a deposition apparatus with a reaction chamber and a source chamber, loading a substrate in the reaction chamber, supplying carrier gas into the source chamber that may be configured to supply an evaporated organic source material into the reaction chamber, a temperature of the carrier gas ranging from 25° C. to 50° C., and spraying the carrier gas and the evaporated organic source material into the reaction chamber through a showerhead to deposit an organic scattering layer on the substrate, the organic scattering layer including organic particles, which may be provided in a molecularized form of the evaporated organic source material, and thereby having an uneven surface. | 05-29-2014 |
20140161976 | METHOD OF FORMING CORE-SHELL NANO PARTICLE FOR METAL INK - Disclosed are methods of forming a core-shell nano particle for a metal ink. The method includes forming a metal oxide nano particle core, and forming a metal shell on a surface of the metal oxide nano particle core to form a core-shell nano particle. | 06-12-2014 |
Patent application number | Description | Published |
20080223509 | ADHESIVE FILM AND METHOD OF FABRICATING FLEXIBLE DISPLAY USING THE SAME - An adhesive film and a method of fabricating a flexible display using the same are provided. The adhesive film includes: a support including a first surface disposed opposite to a flexible substrate for forming an image display element and a second surface disposed opposite to a support substrate for supporting the flexible substrate; a first adhesive material applied on the first surface of the support; and a second adhesive material applied on the second surface of the support and having a greater adhesive strength than the first adhesive material. The flexible substrate can be easily detached from the support substrate, so that the flexible display can be realized in various sizes and thicknesses using existing equipment without modification of mass-production equipment for realizing the flexible display. | 09-18-2008 |
20090188530 | METHOD OF CLEANING FLEXIBLE SUBSTRATE - Provided is a method of cleaning a flexible substrate. The method includes the steps of: preparing a flexible substrate and detaching an impurity adhered to both surfaces of the flexible substrate using rotating first rollers disposed on the both surfaces of the flexible substrate; and removing the impurity by transferring the impurity from the first roller to a second roller using the rotating second roller having a relatively higher adhesion than the first roller. | 07-30-2009 |
20090269703 | COLOR ELECTROPHORETIC DISPLAY AND METHOD OF MANUFACTURING THE SAME - Provided are a color electrophoretic display and a method of manufacturing the same. The color electrophoretic display includes: a plurality of lower electrodes arranged on a lower layer and disposed with a predetermined interval therebetween; a plurality of first to third photoresist chambers arranged on the plurality of lower electrodes; first to third electronic inks accommodated in the plurality of first to third photoresist chambers respectively, and discriminatively operating to an electric field to independently display red, green, and blue colors; and a plurality of upper electrodes disposed with a predetermined interval therebetween and facing the plurality of lower electrodes with the plurality of first to third photoresist chambers being held therebetween. | 10-29-2009 |
20100300360 | ORGANIC/INORGANIC THIN FILM DEPOSITION DEVICE AND DEPOSITION METHOD - Provided is a method for depositing an organic/inorganic thin film. The method includes: i) heating a source vessel containing an organic material and an inorganic material; ii) transferring a deposition gas to a process chamber; iii) distributing the deposition gas onto a substrate disposed in the process chamber; iv) purging the process chamber; v) heating an activating agent source vessel; vi) transferring a heat initiator gas phase to the process chamber; vii) distributing the heat initiator gas phase onto the organic or inorganic material monomer deposited on the substrate through the process chamber, and forming an organic/inorganic thin film; and viii) exhausting the heat initiator gas phase and purging the process chamber. Depositing the organic/inorganic thin film in a time-division manner, the thickness of the thin film can be accurately adjusted and the deposition can be uniformly performed when the thin film is deposited on a large-scale substrate. | 12-02-2010 |
20120001159 | INSULATING LAYER, ORGANIC THIN FILM TRANSISTOR USING THE INSULATING LAYER, AND METHOD OF FABRICATING THE ORGANIC THIN FILM TRANSISTOR - Provided is an insulating layer in which an inorganic material is added to an organic polymer to thereby improve the insulating properties, an organic thin film transistor using the insulating layer, and a method of fabricating the organic thin film transistor. An insulating layer for an organic thin film transistor including a vinyl polymer and an inorganic material is provided. Here, a weight ratio of the vinyl polymer to the inorganic material may be in the range of 1:0.0001 to 1:0.5. Accordingly, it is possible to fabricate a thin film at low temperature and, further, to fabricate an insulating layer having a high-dielectric constant, not affecting other layers formed in the previous processes during the formation of the insulating layer. | 01-05-2012 |
Patent application number | Description | Published |
20090112852 | USER MANUAL SUPPORTING METHOD AND APPARATUS USING ERROR PATTERN ANALYSIS - A user manual supporting method for use in an electronic appliance includes converting a series of operations performed by the user to operate the electronic appliance and converting the operations into a pattern of user operation sequence, and checking if an error is present in the pattern of user operation sequence to retrieve a pattern of erroneous operation sequence corresponding to the pattern of user operation sequence having the error. Thereafter, a manual content associated with the pattern of erroneous operation pattern is extracted and the extracted manual content is provided to the user. The manual content the manual content includes text and/or graphics information for notifying the user of a missing operation in the pattern of user operation sequence, or for guiding a normal operation against the pattern of erroneous operation sequence. | 04-30-2009 |
20110247050 | METHOD OF PAIRING TERMINALS WITH EACH OTHER AND TERMINAL FOR THE SAME - Provided is a method of pairing terminals with each other, and a terminal for the method. The method includes sensing a physical motion of a terminal caused by a user and outputting a sensing value, comparing a reception value received from an external terminal with the sensing value, and establishing a communication path with the external terminal according to the comparison result. | 10-06-2011 |
20120166926 | HYPERLINK DISPLAY METHOD BASED ON VISIT HISTORY ACCUMULATION - Provided is a hyperlink display method based on a visit history accumulation, which is capable of providing search convenience between web documents by providing a self-updating hyperlink through accumulation of a visit history. The hyperlink display method includes displaying a plurality of hyperlink included in a web document when the web document is selected, recording a weight value of a selected hyperlink when any one of the plurality of hyperlinks is selected, and displaying the weight value of the selected hyperlink on the web document. | 06-28-2012 |
20130198755 | APPARATUS AND METHOD FOR MANAGING RESOURCES IN CLUSTER COMPUTING ENVIRONMENT - Disclosed herein are a resource manager node and a resource management method. The resource manager node includes a resource management unit, a resource policy management unit, a shared resource capability management unit, a shared resource status monitoring unit, and a shared resource allocation unit. The resource management unit performs an operation necessary for resource allocation when a resource allocation request is received. The resource policy management unit determines a resource allocation policy based on the characteristic of the task, and generates resource allocation information. The shared resource capability management unit manages the topology of nodes, information about the capabilities of resources, and resource association information. The shared resource status monitoring unit monitors and manages information about the status of each node and the use of allocated resources. The shared resource allocation unit sends a resource allocation request to at least one of the plurality of nodes. | 08-01-2013 |
Patent application number | Description | Published |
20100075165 | LOW SURFACE GLOSS STYRENE RESIN COMPOSITION, AND LOW SURFACE GLOSS SHEET AND COMPOSITE ARTICLE THEREFROM - The present invention relates to a low surface gloss styrene resin composition. The composition of the present invention is composed of (A) 80-99.9 weight % of the basic resin comprising rubber-modified styrene resin and (B) 0.1-20 weight % of syndiotactic polystyrene, the matting agent. The composition also includes (C) hydrogenated styrene block copolymer comprising styrene block and butadiene rubber block as a compatibilizer by 0.1-20 weight % for the total weight of the low surface gloss styrene resin composed of (A) the basic resin and (B) the matting agent and additionally includes (D) a plasticizer by 0.1-30 weight %. The composition of the present invention has excellent weatherability and impact-resistance in addition to the low surface gloss properties, so that it can be applied in various products, particularly exterior products for structures such as sidings and window frames, etc. | 03-25-2010 |
20110124781 | POLYCARBONATE RESIN COMPOSITION WITH EXCELLENT FLAME RETARDANCY - A polycarbonate resin composition is provided. The composition comprises (A) 50 to 90% by weight of a polycarbonate resin, (B) 5 to 30% by weight of a polymethyl methacrylate resin, (C) 5 to 20% by weight of a phosphate compound, (D) 0.01 to 2% by weight of a metal sulfonate as an organic salt, and (E) 0.05 to 2% by weight of a fluorinated olefin. The composition is highly flame retardant and scratch resistant. | 05-26-2011 |
20110184102 | FLAME RETARDANT POLYCARBONATE RESIN COMPOSITION HAVING HIGH INFRARED TRANSMISSION - Provided is a thermoplastic polycarbonate resin composition. The resin composition contains (A) 83 to 93% by weight of a polycarbonate resin, (B) 6 to 17% by weight of aromatic phosphate, and (C) 0.08 to 0.3% by weight of fluoroolefin. The resin composition exhibits excellent infrared transmissivity and flame retardancy. | 07-28-2011 |
20140058024 | NON-HALOGEN FLAME RETARDANT AND HIGH RIGIDITY POLYCARBONATE RESIN COMPOSITION - A non-halogen flame retardant and high rigidity polycarbonate resin composition is disclosed. The non-halogen flame retardant and high rigidity polycarbonate resin composition has excellent flame retardancy and rigidity by overcoming a conventional problem such as poor rigidity occurred, upon adding a flame retardant agent in polycarbonate resin composition reinforced with a glass fiber having improved rigidity such as flexibility and surface smoothness etc., imposed by the use of the glass fiber. | 02-27-2014 |
20140114001 | GLASS FIBER-REINFORCED POLYCARBONATE FLAME-RETARDANT RESIN COMPOSITION - Disclosed is a glass fiber-reinforced polycarbonate flame-retardant resin composition which comprises (A) 50 to 75% by weight of polycarbonate having a melt index of 22 g/10 min or more (300° C., 1.2 kg), (B) 3 to 15% by weight of a rubber-modified styrene-based graft copolymer, (C) 3 to 10% by weight of a bulk copolymer of an aromatic vinyl compound and a vinyl cyan compound, (D) 1 to 10% by weight of an ethylene acrylate-based copolymer, (E) 10 to 25% by weight of glass fiber, and (F) 5 to 20% by weight of an aromatic phosphate ester-based compound, and thus advantageously exhibits superior flowability, flame retardancy, hardness, impact resistance and appearance qualities. | 04-24-2014 |