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Chang, Yongin-Si
Bum-Jin Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080290314 | COMPOSITION FOR MANUFACTURING BARRIER RIB, AND PLASMA DISPLAY PANEL MANUFACTURED BY THE SAME - The composition for a barrier rib of the present invention includes a metal oxide sol and a glass frit. The metal oxide sol includes a photoacid generator, and the difference between the average refractive index (N | 11-27-2008 |
| 20110269015 | CONDUCTIVE AGENT, POSITIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT, AND LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT - A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent. | 11-03-2011 |
| 20110281166 | ELECTRODE COMPOSITION, ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - An electrode composition containing a first conducting agent and a second conducting agent, an electrode for lithium secondary batteries, a method of manufacturing the electrode, and a lithium secondary battery including the electrode. The second conducting agent is an agglomerate formed of a conducting material and a fluorine-based polymer. | 11-17-2011 |
Byoungjo Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090128531 | Plasma display device and driving method thereof - A plasma display device and driving method generate a control signal based on an image signal from an external source and a mode signal from a mode input unit, and output a driving waveform based on the control signal, the driving waveform used to drive a plasma display panel of the plasma display device. The driving waveform may be changed from a parent waveform mode into a child waveform mode selected from a plurality of child waveform modes defining misdischarge prevention waveforms in accordance with the mode signal. | 05-21-2009 |
Chong-Hwan Jonathan Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110015377 | METHOD FOR PREPARING ANTIGEN EFFECTIVE FOR PREVENTING ANTHRAX INFECTION - The method of the present invention comprising successive column chromatography processes for the purification of an anthrax protective antigen can achieve an improved purity of the anthrax protective antigen product by effectively removing impurities (e.g., cellular residual proteins in the culture solution) without the loss of anthrax protective antigen. Therefore, the method of the present invention can be advantageously used for economically producing the anthrax protective antigen on a large scale. | 01-20-2011 |
Chung-Ryul Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090068961 | Apparatus and method for operating feedback channels in a wireless communication system - An apparatus and a method for allocating feedback channels in a wireless communication system are provided. The method includes determining a number of common feedback channels to be allocated commonly to one or more terminals using a capacity loss according to the feedback channel allocation; and generating feedback channel change information to change the number of the common feedback channels per terminal. | 03-12-2009 |
| 20090103569 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN A COMMUNICATION SYSTEM - A system and method for transmitting/receiving a signal in a communication system are provided, in which a transmitter determines to change a transmission time of a superframe header, when a structure of a superframe is changed, determines the transmission time of the superframe header according to a result of the determination to change the transmission time of the superframe header, transmits information about the determined transmission time to a receiver, and transmits the superframe header at the determined transmission time. | 04-23-2009 |
| 20090207887 | APPARATUS AND METHOD FOR TRANSMITTING FEEDBACK INFORMATION IN BROADBAND WIRELESS ACCESS SYSTEM - An apparatus and method for transmitting feedback information are provided. In a method of operating a transmitter for transmitting feedback information in a broadband wireless access system, the method includes estimating a channel of a second path on the basis of information of a received downlink frame, obtaining a channel representative value corresponding to the estimated channel of the second path, modulating the channel representative value by spreading the channel representative value to a sounding symbol to be transmitted, and transmitting the modulated sounding symbol through a first path. | 08-20-2009 |
| 20090245096 | Apparatus and method for supporting hybrid automatic repeat request in a broadband wireless communication system - A broadband wireless communication system using a plurality of Frequency Allocations (FAs) is provided. A method for packet transmission of a packet of a transmitting end includes dividing one encoded packet into a plurality of parts, mapping a plurality the plurality of parts of the packet to the FAs through the plurality of different FAs transmission, when a re-transmission request is received, re-mapping the plurality of parts of the packet to the FAs such that at least one of the at least one of the plurality of parts is re-mapped to an FA that is different than an FA previously mapped thereto. Retransmitting the encoded packet by at least one of a number of subunits. | 10-01-2009 |
| 20110170442 | METHOD FOR ESTIMATING CARRIER-TO-NOISE RATIO AND BASE STATION APPARATUS USING THE SAME IN A WIRELESS ACCESS SYSTEM - A method and an apparatus for estimating a Carrier-to-Noise Ratio (CNR) at a Base Station (BS) in a wireless access system are provided. In the method, a preamble signal received from at least one neighbor BS is converted to a frequency response of a preamble sequence and Inverse Fast Fourier Transform (IFFT)-processing the preamble signal, an estimation period of the IFFT-processed preamble signal, corresponding to a Fast Fourier Transform (FFT) size, is divided into a predetermined number of blocks, carrier power values of the blocks are accumulated for a predetermined number of frames, an average of timing offsets of the frames corresponding to a position of a block having a maximum average of accumulated carrier values is determined to be a timing offset of the preamble signal, a carrier power value of the preamble signal is calculated using the timing offset, and a CNR of the preamble signal is estimated using the carrier power value. | 07-14-2011 |
| 20110177837 | Apparatus and method for controlling transmission power in wireless communication system - An apparatus and method controls transmission power by a Base Station (BS) of a wireless communication system by considering a path loss between the BS and a terminal and interference affecting adjacent cells. A receiver receives information about interference from adjacent BSs and a terminal. A calculator calculates transmission power of the terminal using the information about interference received from the adjacent BSs and the terminal. The information about interference received from the adjacent BSs comprises Noise & Interference (NI) values, and the information about interference received from the terminal includes a path loss value. | 07-21-2011 |
| 20110188388 | User equipment scheduling method in cellular uplink communication system and base station apparatus therefor - A method and an apparatus maximize the capacity of a wireless communication network by taking into consideration inter-cell interference coordination. A home cell's capacity sensitivity to interference is calculated. At least one neighbor cell's capacity sensitivity to interference is collected. And at least one UE located in the home cell is scheduled based on the home cell's capacity sensitivity and the neighbor cell's capacity sensitivity. Accordingly, it is possible to achieve power and allocation control to maximize the capacity of the overall network including neighbor cells increase the system capacity in a cellular system in which inter-cell interference is large, and adaptively perform a UE scheduling in real time to changing distribution of UEs because information on a change in the capacity of each cell is shared by periods. | 08-04-2011 |
| 20120039172 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN A MOBILE COMMUNICATION SYSTEM - Apparatuses and methods for transmitting and receiving signals in a mobile communication system are provided. A method for transmitting a signal by an evolved Node B (eNB) in a mobile communication system includes transmitting a same control channel signal to each of a plurality of Radio Units (RUs), and transmitting a different data channel signal to each of the plurality of RUs. A data channel signal transmitted to each of the plurality of RUs may be determined taking into account at least one of a location of a User Equipment (UE) that will receive the data channel signal, and load balancing. | 02-16-2012 |
Dong-Su Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080265770 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device having an evaporating getter unit and a display device utilizing the light emission device as a light source. The light emission device includes a vacuum vessel having first and second substrates facing each other and a sealing member, the first and second substrates having an active area and a non-active area, an electron emission unit located on the first substrate at the active area, a light emission unit located on the second substrate at the active area, a getter unit provided between the first and second substrates at the non-active area, and a barrier disposed between the getter unit and the active area. The barrier blocks diffusion of getter material toward the active area during the getter activating process and prevents (or reduces) a slip or a movement of the getter unit. | 10-30-2008 |
| 20100295440 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE INCLUDING SAME - A light emitting device capable of simplifying its manufacturing process and/or suppress vacuum leakage by improving its terminal structure and a display device having the same. The light emitting device includes a first substrate assembly, a second substrate assembly, and a sealing member for bonding the first substrate assembly with the second substrate assembly. The first substrate assembly includes a first substrate main body having recess portions, first electrodes within the recess portions, electron emission regions on the first electrodes, and second electrodes at a distance away from the electron emission regions and fixed to a surface of the first substrate assembly. Here, a first portion of the second electrode including a first end portion of the second electrode is exposed out of a region surrounded by the seal member and out of the seal member and is used as a terminal connected to an external circuit. | 11-25-2010 |
Hak Sun Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090174836 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a substrate; a pixel electrode disposed on the substrate and having a first subpixel electrode and a second subpixel electrode; and a common electrode facing the pixel electrode, wherein the first subpixel electrode has a pair of bent edges substantially parallel to each other, the second subpixel electrode has a pair of bent edges substantially parallel to each other, and the second subpixel electrode has a height greater than a height of the first subpixel electrode. | 07-09-2009 |
| 20100025689 | THIN FILM TRANSISITOR ARRAY PANEL AND MANUFACTURING TMETHOD THEREOF - A thin film transistor array panel according to an embodiment includes: a substrate; a plurality of gate line formed on the substrate; a plurality of first capacitor electrodes formed on the substrate and separated from the gate lines; a plurality of data line intersecting the gate lines; a plurality of thin film transistor connected to the gate lines and the data lines; a plurality of second capacitor electrodes disposed on the first electrode; a plurality of interconnections connected to the second capacitor electrodes and the thin film transistor and disposed symmetrical to the data lines; and a plurality of pixel electrode, each pixel electrode including a first subpixel electrode connected to one of the thin film transistors and a second subpixel electrode connected to one of the first capacitor electrodes. | 02-04-2010 |
| 20100097556 | DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS INCLUDING THE SAME - A display panel is provided. The display panel includes a substrate and a pixel electrode disposed on the substrate and having a pair of first primary edges facing each other and a pair of second primary edges connected to the first primary edges and facing each other, wherein the second primary edges include a plurality of protrusions of the pixel electrode having the shape of sawteeth. | 04-22-2010 |
| 20100118247 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a substrate, a pixel electrode disposed on the substrate and including a first subpixel electrode and a second subpixel electrode, and a common electrode facing the pixel electrode. The first subpixel electrode comprises a first edge, a second edge disposed opposite the first edge, and two first oblique edges substantially parallel to each other, the first oblique edges making an oblique angle with the first edge and the second edge and meeting the first edge. The second subpixel electrode comprises a first edge, a second edge disposed opposite the first edge, and two first oblique edges substantially parallel to or substantially perpendicular to the first oblique edges of the first subpixel electrode, the first oblique edges of the second subpixel electrode meeting the first edge of the second subpixel electrode. The first edge of the first subpixel electrode is adjacent to the first edge of the second subpixel electrode, and a length of the first edge of the first subpixel electrode is different from a length of the first edge of the second subpixel electrode. The first oblique edges of the first subpixel electrode are offset from the first oblique edges of the second subpixel electrode. | 05-13-2010 |
| 20110007059 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display (“LCD”) includes a plurality of gate lines, a plurality of data lines intersecting the gate lines, a plurality of switching elements connected to the gate lines and the data lines, a plurality of storage electrodes, a plurality of storage electrode lines connected to the storage electrodes, a plurality of pixel electrodes connected to the switching elements and overlapping the storage electrodes, a gate driver generating gate signals having a gate-on voltage and a gate-off voltage to apply to the gate lines, a data driver generating data voltages corresponding to externally applied image signals to apply to the data lines, and a storage electrode driver generating storage electrode signals having a reference voltage, a high voltage larger than the reference voltage, and a low voltage smaller than the reference voltage to apply to the storage electrode lines. Each storage electrode signal changes a level thereof when the gate-on voltage is applied to the gate lines and changes a level thereof when a predetermined time elapses after the gate-off voltage is applied to the gate lines. | 01-13-2011 |
| 20110012941 | LIQUID CRYSTAL DISPLAY PANEL, METHOD FOR DRIVING THE SAME, AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME - The disclosure describes a liquid crystal display panel including a plurality of sub-pixels, a plurality of thin film transistors, a plurality of data lines, and a plurality of gate lines. Each of the sub-pixels has first and second gray scale regions which are split up and down and have different areas, first and second gray scale regions of one sub-pixel having a staggered arrangement with respect to those of an adjacent sub-pixel. Thin film transistors are connected to first and second gray scale regions so that first gray scale regions are driven when one of gate lines is driven and the second gray scale regions are driven when another gate line is driven. | 01-20-2011 |
Hui Kyoung Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080261899 | AGENT FOR CONTROLLING Bcl-2 EXPRESSION COMPRISING GINSENOSIDE F1 AS AN ACTIVE COMPONENT - The present invention relates to an agent for controlling Bcl-2 expression comprising ginsenoside F1 (20-O-β-D-glucopyranosyl-20(S)-protopanaxatriol) represented by the following formula 1 as an active component. | 10-23-2008 |
| 20090062217 | Promoter For The Production Of Hyaluronic Acid Containing Ginsenoside Compound K - There are provided a promoter containing ginsenoside compound K for the production of hyaluronic acid, and more particularly, a new efficacy of 20-O-β-D-glucopyranosyl-20(S)-protopanaxadiol (compound K), a chief metabolite of ginseng saponin, to increase the expression of hyaluronic acid synthase gene in human cell and thereby to promote the production of hyaluronic acid, and an anti-aging agent containing the promoter for the production of hyaluronic acid as an effective ingredient. | 03-05-2009 |
| 20110097356 | ANTI-INFLAMMATORY AND ANTIOXIDANT COSMETIC COMPOSITION CONTAINING GREEN TEA POLYSACCHARIDE AND TRICHOLOMA MATSUTAKE EXTRACT - Disclosed herein is a cosmetic composition which can inhibit skin aging resulting from external harmful environmental factors such as UV light and environmental pollution, which promote aging. More specifically, disclosed is a cosmetic composition, which contains green tea polysaccharide and | 04-28-2011 |
| 20120100087 | WHITENING COSMETIC COMPOSITION CONTAINING GREEN TEA EXTRACT - The present invention relates to a whitening cosmetic composition containing a green tea extract and, more particularly, to a whitening cosmetic composition containing a green tea extract that is prepared from green tea leaves by hot water extraction and liquid culture with | 04-26-2012 |
Ih Soop Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080242730 | Hydroxamic Acid Derivatives and the Preparation Method Thereof - The present invention provides hydroxamic acid derivatives represented by the formula, having antioxidation, collagen biosynthesis promotion and skin pore contraction effects, and a method for preparation thereof. Further, the present invention provides skin-care external compositions for preventing skin aging, containing said hydroxamic acid derivatives represented by the formula as an active ingredient. | 10-02-2008 |
Jae Hong Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110074482 | OSCILLATION SIGNAL GENERATOR FOR COMPENSATING FOR I/Q MISMATCH AND COMMUNICATION SYSTEM INCLUDING THE SAME - An oscillation signal generator for compensating for an in-phase (I)/quadrature-phase (Q) mismatch and a communication system including the same are provided. The oscillation signal generator includes a first latch configured to generate an I oscillation signal, a second latch that is cross-coupled with the first latch and generates a Q oscillation signal, and a phase compensator connected to at least one of the first latch or the second latch. The phase compensator complementarily adjusts bias currents of the first and second I differential transistor pairs of the first latch and/or complementarily adjusts bias currents of the first and second Q differential transistor pairs of the second latch. Accordingly, the I/Q mismatch is compensated for without an additional device, so that the phase match between an I signal and a Q signal is improved in the communication system. | 03-31-2011 |
Ji-Eun Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110271954 | SOLAR CONCENTRATOR - A solar concentrator comprises an incidence surface, a first reflective curved surface corresponding to the incidence surface, a second reflective curved surface disposed in a center part of the incidence surface, and a concentrating part disposed in a center part of the first reflective curved surface and corresponding to the second reflective curved surface, wherein the incidence surface, the first reflective curved surface, the second reflective curved surface, and the concentrator include a substantially same material from each other. | 11-10-2011 |
| 20120080084 | SUBSTRATE, SOLAR CELL INCLUDING THE SUBSTRATE, AND METHOD OF MANUFACTURING THE SAME - A substrate includes a semiconductor layer, a plurality of dielectric layers disposed on one side of the semiconductor layer and separated from each other and a photoactive layer disposed between the dielectric layers and including a compound of a Group III element and a Group V element. Also disclosed are a solar cell including the same and a manufacturing method thereof. | 04-05-2012 |
Jinhwan Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120021278 | TERMINAL OF RECHARGEABLE BATTERY AND METHOD OF MANUFACTURING THE SAME - A rechargeable battery including a case; a cap plate on the case; a terminal post protruding from the cap plate; a terminal plate coupled to the terminal post, wherein the terminal plate includes a body having an opening; and a conductor within the opening and coupled to the body, wherein the conductor substantially surrounds a circumference of the terminal post. | 01-26-2012 |
Jin-Hwan Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120094160 | RECHARGEABLE BATTERY AND MANUFACTURING METHOD OF THE SAME - A rechargeable battery having an electrode assembly formed by depositing/spiral-winding an positive electrode and a negative electrode on respective surfaces of a separator; a can including a pipe having a side seam portion to enclose the electrode assembly and a bottom plate bonded to a first opening of the pipe by a bottom seam portion to close and seal the first opening and facing an end portion of the electrode assembly; and a cap assembly bonded to a second opening of the pipe formed at the other side of the bottom plate to close and seal the second opening. | 04-19-2012 |
Ji-Soo Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100207800 | Analog-to-Digital Conversion Method Using RC Time Constant Calibrator and Analog-to-Digital Converter Therefor - An analog-to-digital conversion method using an RC time constant calibrator is provided. The method includes the operations of comparing a crossing time point at which a first reference signal and a second reference signal cross each other with a target time point and calibrating an RC time constant according to a result of the comparison. A length of time until the crossing time point at which a first analog signal and a second analog signal cross each other is counted based on a calibrated RC time constant. The counted value is output. | 08-19-2010 |
Joon-Kee Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080247726 | VIDEO EDITOR AND METHOD OF EDITING VIDEOS - Disclosed are a method and apparatus for processing and uploading a video file The method of processing the video file comprises: providing an image editor comprising an integrated user interface, which comprises a preview monitor and an editing board, wherein a plurality of thumbnail images of a plurality of videos are displayed on the editing board; displaying a selected one of the plurality of videos or a still frame of the selected video on the preview monitor in response to a user's selection of the video and the user's command for playing the selected video; and editing the selected video so as to provide an edited version of the selected video in response to the user's editing command while or after displaying the selected video on the preview monitor. | 10-09-2008 |
| 20080250321 | METHOD AND SOFTWARE FOR CREATING AN IMAGE FILE INCLUDING MULTIPLE STILL IMAGES AND SPECIAL EFFECTS - Disclosed is a method of creating a pleasure image file comprising a plurality of images. The method comprises providing a plurality of still image files for use in creating a pleasure image file comprising a plurality of still images from the plurality of still image files and receiving an input indicative of a sequence for displaying the plurality of still images when playing the pleasure image file. Incorporating some effects for each still image in creating the image file comprises assigning a period during which each still image is to be displayed on a screen, adding a display special effect to be used while displaying the at least one still image, and creating the pleasure image file configured to display the plurality of still images on a screen in accordance with the sequence each for the assigned period, wherein the at least one still image is to be displayed with the display special effect. | 10-09-2008 |
Ki-Hwan Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100260712 | USE OF HUMAN ANTIBODY CAPABLE OF NEUTRALIZING HEPATITIS B VIRUS FOR THE PREVENTION OR TREATMENT OF HEPATITIS B VIRUS INFECTION - The present invention provides a use of a human antibody against a hepatitis B virus (HBV) surface antigen (HBsAg). The antibody exhibits an excellent HBV neutralizing ability, and thus, is useful for the prevention or treatment of the HBV infection or a disease caused thereby. | 10-14-2010 |
Kye Eon Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090039959 | Differential amplifier, method for amplifying signals of differential amplifier, and display driving device having differential amplifier - A differential amplifier includes input, output, current summing, and switch circuits. The input circuit generates first and second differential currents in response to a voltage difference between differential input signals. The output circuit includes a first and second transistors connected between a first voltage rail and output port and the output port and second voltage rail, respectively. The current summing circuit includes a first control node outputting a first control voltage to control a current in the first transistor and a second control node outputting a second control voltage to control a current in the second transistor, in response to the first and second differential currents, respectively. The switch circuit connects the first transistor gate to one of the first control node and the first voltage rail and the second transistor gate to one of the second control node and the second voltage rail, in response to a control signal. | 02-12-2009 |
Kyung-Hun Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100262397 | MULTIPLY APPARATUS FOR SEMICONDUCTOR TEST PATTERN SIGNAL - An apparatus for multiplying a semiconductor test pattern signal is disclosed. The multiplying apparatus firstly encodes a plurality of pattern signals to have different pattern types, and multiplies the encoded pattern signals according to an exclusive-OR (XOR) scheme in order to generate a single pattern signal, thereby recognizing a relationship between a pattern signal before the multiplication and the other pattern signal after the multiplication. A pattern-signal segmenting/outputting unit segments a semiconductor test pattern signal into a plurality of pattern signals, and simultaneously outputs the segmented pattern signals. A pattern-signal restoring/multiplying unit restores the segmented pattern signals received from the pattern-signal segmenting/outputting unit to the semiconductor test pattern signal, outputs the restored result to a driver which records a test pattern in an objective semiconductor to be tested, and multiplies the signal outputted to the driver by a predetermined frequency band rather than a frequency band of the segmented signals. | 10-14-2010 |
| 20110018572 | SEMICONDUCTOR DEVICE TEST SYSTEM - A semiconductor device test system is disclosed. The semiconductor device test system extends driver- and comparator-functions acting as important functions of a test header to an external part (e.g., a HIFIX board) of the test header, such that it can double the productivity of a test without upgrading the test header. The semiconductor device test system includes a test header for testing a semiconductor device by a test controller, and a HIFIX board for establishing an electrical connection between the semiconductor device and the test header, and including a Device Under Test (DUT) test unit which processes a read signal generated from the semiconductor device by making one pair with a driver of the test header and transmits the processed read signal to the test header. | 01-27-2011 |
Mi Youn Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110001091 | PHOSPHOR, METHOD FOR MANUFACTURING THE SAME, AND LIGHT EMITTING DIODE - A phosphor is formed with a glass coating layer on a surface of a phosphor grain to have improved moisture and/or thermal stability. A method for manufacturing the phosphor comprises preparing phosphor gains excitable by light, and forming a glass coating layer on a surface of each phosphor grain. The glass coating layer may be formed by mixing the phosphor grains with a glass composition; heat-treating a mixture of the phosphor grains and the glass composition to make the glass composition melt and surround the phosphor grains; and cooling and breaking the heat-treated mixture to provide phosphors, each comprising the phosphor grain having the glass coating layer formed on a surface of the phosphor grain. | 01-06-2011 |
| 20110012507 | PHOSPHOR, METHOD FOR MANUFACTURING THE SAME, AND LIGHT EMITTING DIODE - A phosphor is formed with a glass coating layer on a surface of a phosphor grain to have improved moisture and/or thermal stability. A method for manufacturing the phosphor comprises preparing phosphor gains excitable by light, and forming a glass coating layer on a surface of each phosphor grain. The glass coating layer may be formed by mixing the phosphor grains with a glass composition; heat-treating a mixture of the phosphor grains and the glass composition to make the glass composition melt and surround the phosphor grains; and cooling and breaking the heat-treated mixture to provide phosphors, each comprising the phosphor grain having the glass coating layer formed on a surface of the phosphor grain. | 01-20-2011 |
One-Moon Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110171882 | CHEMICAL-MECHANICAL POLISHING APPARATUS FOR MANUFACTURING SEMICONDUCTOR DEVICES - A chemical-mechanical polishing (CMP) apparatus for manufacturing a semiconductor device. The apparatus includes: a spin chuck for supporting and rotating a semiconductor wafer; a polisher comprising a polishing pad for planarizing a surface of the semiconductor wafer, the polisher moving along the surface of the semiconductor wafer by a polishing arm; and a polisher supporting device for supporting the polisher and maintaining the polisher in a horizontal state, while polishing an edge part of the surface of the semiconductor wafer, in order to improve polishing uniformity of a center part and the edge part of the semiconductor wafer. Accordingly, polishing uniformity of the center part and edge part of the semiconductor wafer may be improved, and a height of the polisher supporting device may be optimized according to a polishing degree. Also, the polisher may be easily supported, wear and tear of the support head may be minimized, and the support head may function as a conditioner. | 07-14-2011 |
| 20110217910 | CHEMICAL MECHANICAL POLISHING APPARATUS - A chemical mechanical polishing apparatus includes a platen having a first region configured to support a wafer, and a second region disposed outside the first region. The chemical mechanical polishing apparatus further includes a polishing pad disposed on the platen, a pad head to which the polishing pad is attached, a slurry supply configured to supply a slurry onto the wafer, and an injection port disposing on the second region of the platen. The injection port is configured to inject a predetermined gas to an edge of a bottom surface of the wafer and toward the outside of the wafer. | 09-08-2011 |
| 20110217911 | POLISHING PAD FOR CHEMICAL MECHANICAL POLISHING PROCESS AND CHEMICAL MECHANICAL POLISHING APPARATUS INCLUDING THE SAME - A chemical mechanical polishing apparatus includes a platen configured to support and rotate a wafer, and a polishing pad facing the platen. The polishing pad includes a body having a groove with a rotational symmetric pattern. | 09-08-2011 |
Seok Gyun Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090123835 | Lithium Ion Secondary Battery - Electrode assemblies easily impregnated with an electrolyte are provided. A sealing tape attached to the outer circumference of the electrode assembly comprises a material having an affinity for the electrolyte. Alternatively, the entire sealing tape or a portion of the tape is coated with the material. In another alternative, the surface of the sealing tape is rough, thereby improving wetting of the tape by the electrolyte and diffusion of the electrolyte into the tape. In another embodiment, first and second insulating plates comprise a material having an affinity for the electrolyte. In another alternative, the insulating plates comprise a mixture of a material having an affinity for the electrolyte and polypropylene or polyethylene. Alternatively, the surfaces of the insulating plates are coated with the material or with a surfactant that reduces the surface tension of the electrolyte. | 05-14-2009 |
| 20090130544 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY HAVING FUNCTIONAL CENTER PIN - A lithium ion secondary battery including an electrode assembly, a center pin positioned within the electrode assembly, a variable-length member coupled to the center pin, the variable-length member adapted to increase in length when an interior temperature of the center pin reaches a critical temperature, a can containing the electrode assembly, the center pin, and the variable-length member, and a cap assembly coupled to the can, the cap assembly having safety means fracturable in response to the variable-length member being increased in length. | 05-21-2009 |
| 20090246605 | Lithium Rechargeable Battery - Lithium rechargeable batteries having functional center pins are provided. A lithium rechargeable battery has a center pin whose top and bottom ends are blocked by a thermal cut-off composition to reduce the void volume inside a bare cell during initial overcharge. The thermal cut-off composition melts at a temperature within a specific temperature range, e.g. between about 80 and about 250° C. This prevents the battery from exploding and igniting. Thus, the inventive lithium rechargeable batteries have improved thermal stability. | 10-01-2009 |
| 20110091748 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY - A cylindrical lithium ion secondary battery includes an electrode assembly; a center pin positioned within the electrode assembly and having upper and lower ends that are closed; a can containing the electrode assembly and the center pin; and a cap assembly coupled to the top of the can. The center pin can include a body extending a predetermined length with its upper and lower end open and at least one closure member adapted to close the upper and lower ends of the body and to melt or fracture at a predetermined temperature. The center pin body may also or alternatively include a circuit member positioned inside the center pin and adapted to be short-circuited in the case of overcharging and to consume current. | 04-21-2011 |
Seok-Rak Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080299440 | FUEL CELL STACK - A planar fuel cell stack, having generators that generate electricity by an electrochemical reaction of a fuel and an oxidizing agent, the generators arranged on a same plane. A beading unit and a protruding portion are formed on a fastening plate and a separator so as to improve structural stiffness thereof. Accordingly, the constituent elements of the stack are fastened with a substantially uniform conjoining pressure compared to a conventional planar stack, and the thickness of the stack of the present invention can be thinner than that of the conventional planar stack. | 12-04-2008 |
Seung-Wook Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120098412 | Display devices and methods of manufacturing display devices - A display device includes a first optical resonance layer on a substrate, a switching structure on the first optical resonance layer, a first electrode on the switching structure, a light emitting structure on the first electrode, and a second electrode on the emitting structure. The switching structure may include a switching device and an optical distance controlling insulation layer covering the switching device. A first optical resonance distance for an optical resonance of the light may be provided between an upper face of the first optical resonance layer and a bottom face of the second electrode. | 04-26-2012 |
Shajoung Chang, Yongin-Si KR
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|---|---|---|
| 20110008424 | Sustained Release Solid Formulations and Methods of Manufacturing the Same - Disclosed are a sustained release solid formulation comprising a drug, for example, oxycodone or its pharmaceutically acceptable salt, in a water-insoluble matrix, which comprises a wax type excipient and copovidone, and thus, has increased compressibility and fluidity and reduced adhesiveness, and a method of preparing the same. | 01-13-2011 |
Sug Dae Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100295275 | Airbag Door Connecting Structure of Passenger Seat in Vehicle - An airbag door connecting structure of a passenger seat of a vehicle may include a crash pad formed with interior finishing material of a dash board extending over a front surface of a passenger seat; a housing disposed to a lower portion of the crash pad, wherein a space is defined between the housing and the crash pad in which a passenger airbag (PAB) is installed; a chute coupled to the crash pad by vibration welding outside the housing and couples the housing to the crash pad; and an airbag door disposed in the chute and covering the space of the housing, the airbag door having a hinge portion which is bent inwards so as to elastically rotate about a coupling portion of the hinge portion outwards by the passenger airbag in a crash accident of the vehicle, wherein the coupling portion is coupled to the housing and to the chute. | 11-25-2010 |
Tae-Jung Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090021165 | PLASMA DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A plasma display panel is provided having a first substrate and a second substrate facing the first substrate with an interval therebetween. An address electrode extends in a first direction on the first substrate. A dielectric layer is on the first substrate covering the address electrode. One or more barrier ribs are on the dielectric layer to define a discharge cell in relation to the address electrode. A phosphor layer is in the discharge cell. A first electrode and a second electrode extend in a second direction on the second substrate corresponding to the discharge cell. The second direction crosses the first direction. The dielectric layer includes a flat surface facing the discharge cell. | 01-22-2009 |
Won-Tae Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120046494 | METHOD OF PREPARING AN ALKYLAMINE DERIVATIVE - The present invention provides a method of preparing an alkylamine derivates which hardly generates impurities and enables mass production with high purity. | 02-23-2012 |
Wootae Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110283166 | STORAGE DEVICE HAVING A NON-VOLATILE MEMORY DEVICE AND COPY-BACK METHOD THEREOF - A storage device includes a non-volatile memory device outputting read data from a source area and a memory controller configured to execute an ECC operation on a plurality of vectors in the read data and to write the error-corrected read data into target area of the non-volatile memory device. The memory controller declares that a vector corresponding to a clean area is decoding pass without using a flag bit among the plurality of vectors during the error correction operation. | 11-17-2011 |
Woo Tae Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100281342 | MEMORY CONTROLLER AND MEMORY SYSTEM - A memory system is provided. The memory system includes a nonvolatile memory and a controller. The nonvolatile memory includes a memory cell array and a read/write circuit configured to perform a read/write operation in the memory cell array during a read operation. The controller is configured to receive the read data from the nonvolatile memory, perform an error detection and correction operation on the read data. Upon detecting an error in a received portion of the read data, the controller is further configured to halt further transmission of the read data from the nonvolatile memory, perform the error detection and correction operation on the received portion of the read data to correct the detected error. After correcting the detected error in the received portion of the read data, the controller is configured to resume transmission of the read data from the nonvolatile memory. | 11-04-2010 |
Woo-Young Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110105152 | MOBILE DEVICE AND SERVER EXCHANGING INFORMATION WITH MOBILE APPARATUS - A mobile device and a server are provided. The mobile device displays relevant information extracted based on location information and additional information. Accordingly, by linking regional information acquired through a personal device with a location based service, the user is provided with useful contents effectively and further is provided with a new experience. | 05-05-2011 |
Youngchurl Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080292966 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE SAME - An electrode assembly and a secondary battery including the same. The electrode assembly includes: a positive electrode plate including a positive electrode active material applied to a positive electrode collector; a negative electrode plate including a negative electrode active material applied to a negative electrode collector; a separator disposed between the positive electrode plate and the negative electrode plate; and a ceramic layer disposed on a portion of the positive or negative electrode plate, adjacent to an outer surface of the electrode assembly. The positive electrode plate, the negative electrode plate, ceramic layer, and the separator are wound together. The ceramic layer prevents a short-circuit between the positive electrode plate and the negative electrode plate, and extends along between about 40% and 90% of the length of the positive or negative electrode plate, from a winding end thereof. | 11-27-2008 |
| 20090092889 | LITHIUM SECONDARY BATTERY - Provided is a lithium secondary battery which is stable to penetration of a sharp object, which may occur by external impact. The lithium secondary battery comprises an electrode assembly which is formed by winding a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate; and a can for receiving the electrode assembly, wherein the separator is formed of a ceramic material, a polarity of the first electrode plate is opposite to that of the can, and the outermost part of the first electrode plate is disposed further outside than the outermost part of the second electrode plate. | 04-09-2009 |
Young-Jin Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100073266 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - The present invention provides a display device and a method of driving the same. The display device includes: a light-emitting device; a first capacitor connected between a first contact point and a second contact point; a driving transistor including an input terminal connected to a first voltage, an output terminal, and a control terminal connected to the second contact point; a first switching transistor controlled by a first control signal and connected between a data voltage and the first contact point; a second switching transistor controlled by a second control signal and connected between a second voltage and the first contact point; a third switching transistor controlled by a third control signal and connected between the second contact point and the second voltage; a fourth switching transistor controlled by the first control signal and connected between the second contact point and the output terminal of the driving transistor; and a fifth switching transistor controlled by the second control signal and connected between the light-emitting device and the output terminal of the driving transistor. | 03-25-2010 |
Youn Han Chang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090130544 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY HAVING FUNCTIONAL CENTER PIN - A lithium ion secondary battery including an electrode assembly, a center pin positioned within the electrode assembly, a variable-length member coupled to the center pin, the variable-length member adapted to increase in length when an interior temperature of the center pin reaches a critical temperature, a can containing the electrode assembly, the center pin, and the variable-length member, and a cap assembly coupled to the can, the cap assembly having safety means fracturable in response to the variable-length member being increased in length. | 05-21-2009 |
| 20110091748 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY - A cylindrical lithium ion secondary battery includes an electrode assembly; a center pin positioned within the electrode assembly and having upper and lower ends that are closed; a can containing the electrode assembly and the center pin; and a cap assembly coupled to the top of the can. The center pin can include a body extending a predetermined length with its upper and lower end open and at least one closure member adapted to close the upper and lower ends of the body and to melt or fracture at a predetermined temperature. The center pin body may also or alternatively include a circuit member positioned inside the center pin and adapted to be short-circuited in the case of overcharging and to consume current. | 04-21-2011 |