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Dong Wook
Dong Wook Choi, Jincheon-Gun KR
| Patent application number | Description | Published |
|---|---|---|
| 20110197863 | EXHAUST GAS RECIRCULATION VALVE IN VEHICLE - An exhaust gas recirculation valve in a vehicle has two valves that are controlled individually by using one driving source. The exhaust gas recirculation valve enables secure operation of a vehicle even if the driving source is out of order. The exhaust gas recirculation EGR valve includes a driving unit having a driving motor for rotating a motor shaft and an interlocking unit for receiving rotational force from the motor shaft. A rod portion moves upon reception of the rotational force. A valve unit at an end portion of the rod portion controls a flow rate of the exhaust gas. A valve housing is coupled to the driving unit as one unit and has an EGR port and a bypass port. The interlocking unit includes a valve return member for rotating the motor shaft forcibly to make the valve unit to move to an initial position. | 08-18-2011 |
Dong Wook Jang, Gimpo-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110121821 | MAGNETIC CORE FOR ELECTRIC CURRENT SENSORS - Provided is a magnetic core having an appropriate range of permeability and a high magnetic flux density, thereby being configured to have a small phase difference and a small size. The magnetic core can be use for electric current sensors. The magnetic core is made of an amorphous alloy having a composition represented by the general formula: Fe | 05-26-2011 |
Dong Wook Jung, Yeosu-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090240002 | Impact Modifier, Method for Preparing the Same and Scratch Resistant Methacrylate Resin Composition Using the Same - Disclosed herein is an impact modifier formed by graft polymerizing about 45 to about 70% by weight of a rubber polymer with about 30 to about 55% by weight of a methacrylate-based monomer, wherein said rubber polymer is prepared by polymerizing about 0.1 to about 1 part by weight of an antioxidant with about 100 parts by weight of a monomer mixture comprising about 30 to about 45% by weight of a diene-based monomer and about 55 to about 70% by weight of alkyl acrylate. The methacrylate-based resin composition of the present invention using the aforementioned impact modifier may have improved transparency, impact resistance and a good appearance. | 09-24-2009 |
Dong Wook Kang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100197685 | NOVEL BENZOFURAN TYPE DERIVATIVES, A COMPOSITION COMPRISING THE SAME FOR TREATING OR PREVENTING COGNITIVE DYSFUNCTION AND THE USE THEREOF - The present invention relates to the novel benzofuran derivatives, the preparation thereof and the composition comprising the same. The benzofuran derivatives of the present invention showed potent inhibiting activity of beta-amyloid aggregation and cell cytotoxicity resulting in stimulating the proliferation of neuronal cells as well as recovering activity of memory learning injury caused by neuronal cell injury using transformed animal model with beta-amyloid precursor gene, therefore the compounds can be useful in treating or preventing cognitive function disorder. | 08-05-2010 |
Dong Wook Kang, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090158297 | SYSTEM AND METHOD OF DYNAMICALLY LOADING AND EXECUTING MODULE DEVICES USING INTER-CORE-COMMUNICATION CHANNEL IN MULTICORE SYSTEM ENVIRONMENT - Provided are a system and method for allocating a specific job or application to a specific slave core by using an inter-core-communication (ICC) channel and executing the job or application in a multicore system environment including the master core and a plurality of slave cores. The method of a master core, includes: initializing message transmission times; generating an event for processing a instruction received from an application program and generating a channel event message from the event; checking a process for transmitting the generated channel event message, and if a channel event message queue corresponding to an event transmitting request is not “FULL” of a previously-stored channel event message, transmitting the channel event message to a specific slave core to request for storing the channel event message; and returning a response of processing status to the request for storing the channel event message to the application program. | 06-18-2009 |
| 20120096333 | DATA INPUT AND OUTPUT METHOD OF NAND FLASH MEMORY AND EMBEDDED SYSTEM USING THE SAME - A data input method of a NAND flash memory includes: determining whether a size of a writing-requested data is less than a reference value; calculating an error correction code (ECC) for the data using a software ECC method when the data size is less than the reference value; and writing the data and the ECC to a data region of the NAND flash memory. A data output method of the NAND flash memory includes: determining whether a size of a reading-requested data is less than a reference value; reading the data and an error correction code (ECC) from the NAND flash memory; calculating an ECC for the read data using a software ECC method when the data size is less than the reference value; and performing an error detection and correction by comparing the calculated ECC and the read ECC. | 04-19-2012 |
Dong Wook Lee, Yongin-Gyunggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090167474 | TRANSFORMER IMPROVED IN LEAKAGE INDUCTANCE - There is provided a transformer improved in leakage inductance including: a core having first, second and third legs electromagnetically coupled to one another; a primary winding formed of a conductor having one end and another end receiving power from the outside and dividedly wound around the first, second and third legs; and a secondary winding wound around at least one of the first, second and third legs and receiving induced power by electromagnetic induction with the primary winding. | 07-02-2009 |
Dong Wook Lee, Yongin-Si KE
| Patent application number | Description | Published |
|---|---|---|
| 20090231884 | SWITCHING POWER SUPPLY DEVICE USING CURRENT SHARING TRANSFORMER - In accordance with the present invention, the switching power supply device using a current sharing transformer includes an inverter switching unit for switching an input voltage; a share inductor for classification connected to the inverter switching unit for distributing a current applied by the inverter switching unit; first and second transformers of which each primary side connected to the share inductor for classification is connected in parallel to each other; and a rectifying unit connected to secondary sides of the first and second transformers. | 09-17-2009 |
Dong Wook Lee, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100254302 | METHOD OF ROUTING PATH IN WIRELESS SENSOR NETWORKS BASED ON CLUSTERS - A routing method for a cluster-based wireless sensor network is provided for improving lifespan of the network and reducing network traffic. A routing method is proposed for a wireless sensor network having a sensor field defined by a plurality of clusters each including a plurality of sensor nodes and a header node, one of the cluster is a head cluster including a sink node. The routing method includes announcing, at least one sensor node which is the sensor node detected an event, the event; requesting, at the sink node, the source node to transmit data required for ubiquitous services; and transmitting, at the at least one source node, data to the sink node. Announcing the event includes relaying, at the at least one source node, a data announcement packet from a source cluster to which the source node belongs to a destination cluster which is arranged along an ith second direction axis through the header nodes of the clusters arranged along a first direction axis of the source cluster. The routing method of the present invention reduces the transmission amounts of data request and data packets, thereby conserving the energy and bandwidth, resulting in improvement of network life time. | 10-07-2010 |
| 20110137846 | UBIQUITOUS MONITORING SYSTEM CAPABLE OF PERFORMING INTEGRAL MONITORING FOR SMART OBJECTS - There is provided a ubiquitous monitoring system comprising a plurality of sensing nodes; one or more monitoring agents receiving and transmitting sensing data of the sensing nodes; a monitoring module receiving the sensing data from the one or more monitoring agents and managing the sensing data for each type and time; an analysis module deducing one of function information, performance information, and status information for each of smart objects in a ubiquitous space, based on the sensing data, deducing one of function information, performance information, and status information of a ubiquitous service performed by coupled smart objects, and transmitting a result of deduction; and a monitoring viewer displaying the result of deduction to a user. | 06-09-2011 |
Dong Wook Lim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100316741 | COMPOSITION COMPRISING THE EXTRACT OF CRUDE DRUG COMPLEX FOR STIMULATING BONE GROWTH - The present invention relates to a composition for stimulating bone growth containing the extract of crude drug complex as an active ingredient. The extract of crude drug complex comprising Dipsaci radix, Astragalus membranaceus and Acanthopanax senticosus of the present invention stimulates bone growth, so that it can be effectively used for the composition and health food for stimulating bone growth. | 12-16-2010 |
Dong Wook Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110176085 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit may include a light emitting part to emit light, an optical engine in which light provided from the light emitting part propagates, and a light guide plate in which light provided from the optical engine propagates. Light dispersion members may be provided on a surface of the optical engine from which light is emitted to the light guide plate. | 07-21-2011 |
| 20110176087 | BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - Disclosed are a backlight unit and a display device using the same. The backlight unit includes a light guide plate, a light emitting module provided on at least one lateral surface of the light guide plate to supply light to the light guide plate, and a bottom cover to contain the light guide plate and the light emitting module. The light emitting module includes a substrate including a plurality of through holes and a plurality of light emitting devices which are inserted into the through holes and spaced apart from the light guide plate at a first distance. | 07-21-2011 |
| 20110194273 | LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND BACKLIGHT UNIT - Disclosed are a light emitting device, a method of manufacturing the same, and a backlight unit. The light emitting device includes a body including a cavity to open an upper portion, in which the cavity has a sidewall inclined at a first angle with respect to a bottom surface of the cavity, first and second electrodes formed in the body, in which at least portions of the first and second electrodes are formed along the sidewall of the cavity, a light emitting chip over the first electrode, the second electrode, and the bottom surface of the cavity, at least one wire having one end bonded to a top surface of the light emitting chip and an opposite end bonded to a portion of the first and second electrodes over the sidewall of the cavity, and a molding member formed in the cavity to seal the light emitting chip. | 08-11-2011 |
| 20110199288 | IMAGE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - Disclosed are an image display apparatus and a method of manufacturing the same. The image display apparatus includes a display panel displaying an image, a light supplying sheet provided under the display panel and supplying light to the display panel, an attaching unit attaching the light supplying sheet on the display panel, and a reflective layer under the light supplying sheet. The light supplying sheet includes a support member, a transparent conductive layer on the support member, and a plurality of light emitting devices on the transparent conductive layer. | 08-18-2011 |
Dong Wook Shin, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100120042 | METHOD OF SCREENING MATERIAL FOR IMPROVING SKIN FUNCTIONS - A method of screening a material for improving skin functions includes: (a) treating a skin cell with a candidate material; (b) detecting a change in a relative expression level of membrane-associated protein 17 (MAP17) gene; and (c) selecting a candidate material inducing the change in the expression level of the gene as a material for improving skin functions. That is to say, a material for improving skin functions is screened using MAP17 gene as a marker, on the basis of the change in the expression level of the MAP17 gene. A material for improving skin functions, which is useful in improving skin barrier function, promoting skin moisturization, preventing skin aging, or ameliorating skin troubles, may be effectively screened. | 05-13-2010 |
| 20110212455 | METHOD OF SCREENING MATERIAL FOR IMPROVING SKIN FUNCTIONS - A method of screening a material for improving skin functions includes: (a) treating a skin cell with a candidate material; (b) detecting a change in a relative expression level of membrane-associated protein 17 (MAP17) gene; and (c) selecting a candidate material inducing the change in the expression level of the gene as a material for improving skin functions. | 09-01-2011 |
| 20110224291 | SKIN EXTERNAL COMPOSITION FOR INHIBITING EPIDERMAL HYPERPROLIFERATION AND ALLEVIATING INFLAMMATORY SKIN DISEASES CONTAINING ORTHODIHYDROXYISOFLAVONE DERIVATIVES - Disclosed herein is a skin external composition for inhibiting epidermal hyperproliferation and alleviating inflammatory skin diseases, which contains ortho-dihydroxyisoflavone derivatives as an active ingredient. Specifically, the skin external external composition contains the ortho-dihydroxyisoflavone derivatives, 4′,6,7-trihydroxyisoflavone, 3′,4′,7-trihydroxyisoflavone or a mixture thereof, and thus increases the expression of DKK3 protein and FZD1 protein, which appropriately control Wnt signaling, thereby inhibiting epidermal hyperproliferation and alleviating inflammatory skin diseases caused by epidermal hyperproliferation. | 09-15-2011 |
Dong Wook Yang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090273298 | Field emission apparatus and driving method thereof - The present invention relates to a field emission apparatus and a method of driving the field emission apparatus, which has a three-pole structure of dual emitters formed on both first and second electrodes of a rear substrate in order to obviate a distinction between a gate and a cathode, thus enabling dual field emission. In such a field emission apparatus, a ground is formed between an anode and a point of the first and second electrodes of the rear substrate, and a square wave is applied thereto in order to alternately generate field emission in the first and second electrodes, thus increasing a light-emitting area and emission efficiency, decreasing a driving voltage and consumption power, saving the manufacturing cost and manufacturing time, and accomplishing a longer lifespan. | 11-05-2009 |
Dong-Wook Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090206378 | PHOTO SENSOR AND FLAT PANEL DISPLAY USING THE SAME - A photo sensor in a flat panel display includes a first transistor having first, second, and gate electrodes respectively coupled to first, second, and third nodes; a second transistor having first, second, and gate electrodes, respectively coupled to a fourth node, the first node, and a first control signal line; a third transistor having first, second, and gate electrodes, respectively coupled to the second node, the third node, and the first control signal line; a fourth transistor having first, second, and gate electrodes, respectively coupled to a reset power line, the third node, and a reset signal line; a fifth transistor having first, second, and gate electrodes, respectively coupled to a first power source, the first node, and a second control signal line; a sixth transistor having first, second, and gate electrodes, respectively coupled to the second node, output line, and the second control signal line; and a seventh transistor. | 08-20-2009 |
| 20100141645 | Organic light emitting display device and method of driving the same - An organic light emitting display device capable of driving transistor threshold voltage compensation, including: pixels positioned in the intersections of scan lines and data lines, wherein each pixel comprises: a first transistor and a fourth transistor, connected at a common node, disposed between an anode of an OLED and a first power supply; a cathode of the OLED connected to a second power supply; a second transistor connected between a gate of the first transistor and a data line, and turned on when a scan signal is supplied to a scan line; a third transistor connected between the common node and the data line, and turned on when a scan signal is supplied to the scan line; a first capacitor connected between the gate of the first transistor and the anode of the OLED; and a second capacitor connected between the anode of the OLED and a predetermined voltage source. | 06-10-2010 |
Dong-Wook Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100309233 | PIXEL CIRCUIT FOR ORGANIC LIGHT EMITTING DIODE (OLED) PANEL, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF DRIVING OLED PANEL USING THE SAME - Disclosed herein is a pixel circuit for an OLED panel, a display device having the pixel circuit and a method of driving the OLED panel. The pixel circuit for an OLED panel includes a switching element driven by a scan signal input through a corresponding one of scan lines sequentially selected from among a plurality of scan lines, and configured to transfer drive current based on luminance data input through a corresponding one of a plurality of data lines. An OLED emits light using the drive current transferred by the switching element. The OLED has an anode connected to a source terminal of the transistor and a cathode connected to a common electrode. Accordingly, problems such as the imbalance and deterioration of luminance attributable to the sequential driving of scan lines can be solved, and the complexity of circuits of a conventional AMOLED panel can be solved. | 12-09-2010 |
Dong-Wook Jang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110283914 | VACUUM DIVISION MANAGEMENT SYSTEM OF TUBE RAILWAY SYSTEM AND VACUUM BARRIER FILM DEVICE - Provided is a tube railway system that minimizes noise and air resistance using a sealed evacuated tube as a passage for a tube railway., thereby allowing a train to run at a very high speed. More particularly, provided is a vacuum division management system and vacuum blocking screen device for a tube railway system required to maintain vacuum (1/3 to 1/1000 of atmospheric pressure), in which the vacuum blocking screen device serves to rapidly block a passage for a tube railway with an operation signal, is installed in every fixed section or in some designated sections of the tube railway, and is driven in a specific section where problems with maintenance of the vacuum occur, where the vacuum is intentionally released, for instance, due to maintenance, or where a train is urgently stopped, thereby allowing the specific section to be isolated from the other sections and to be managed with a degree of vacuum different from those of the other sections. | 11-24-2011 |
Dong-Wook Jung, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120131492 | APPARATUS AND METHOD FOR PROVIDING ELECTRONIC BOOK FUNCTION IN PORTABLE TERMINAL - An apparatus and method for providing an electronic book (e-book) function in a portable terminal are provided. The apparatus includes a controller for loading an e-book, and a scrap processor for applying a specific effect to a partial region of a text of the loaded e-book and, if a user's input to the region to which the specific effect is applied is sensed, for generating the applied effect. | 05-24-2012 |
Dong-Wook Kang, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080209008 | Method and apparatus for processing remote control key data in home network device - Provided are a method and apparatus for receiving remote control key data in a home network and requesting a server to perform an operation corresponding to the remote control key data. The method includes converting the remote control key data to a code which can be referred to in a web document received from the server, determining an operation corresponding to the code by referring to the web document, and requesting the server to perform the determined operation. Accordingly, even when an item corresponding to a function supported by the server is not displayed on a menu screen, a user receiving a service from the server using a client device in the home network can use the function by instinctively pressing a remote control key corresponding to the function. | 08-28-2008 |
| 20090241146 | THREE-DIMENSIONAL ELECTRONIC PROGRAMMING GUIDE PROVIDING APPARATUS AND METHOD - An electronic programming guide (EPG) providing apparatus and method, in which an EPG is configured as a 3D form to facilitate a search for broadcasting program information included in the EPG. The EPG providing apparatus includes an EPG screen configuring unit and a control unit. The EPG screen configuring unit configures an EPG screen such that broadcasting program information is displayed on at least three faces of a 3D polyhedron. The control unit controls the EPG screen configuring unit to configure the BPG screen such that broadcasting program information corresponding to another broadcasting time zone or another broadcasting channel is displayed on the EPG screen based on a user input signal requesting a search for the broadcasting program information corresponding to another broadcasting time zone or another broadcasting channel. | 09-24-2009 |
Dong-Wook Park, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100110050 | Organic light emitting display device - An organic light emitting display device comprising: a data driver supplying data signals to data output lines; a scan driver supplying scan signals sequentially to scan output lines; a light emitting control line driver supplying light emitting control signals to light emitting control output lines; and a pixel unit including a plurality of pixels connected to the output lines of each driver, at least one driver having a buffer circuit disposed at each output line. Each buffer circuit comprises a transistor having a gate layer, source and drain layers and a metal layer for shielding Electro-Static Discharge (ESD), wherein the metal layer is formed over the gate layer when the gate layer is overlapped by one of the source or a drain electrodes, or the metal layer is formed to not overlap the gate layer when the gate layer is not overlapped by the source or a drain electrodes. | 05-06-2010 |
Dong-Wook Seo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080249874 | Ubiquitous Music and Multimedia Service System and the Method Thereof - The characteristics of this invention consist of the following stages: the consumer connects to wire or wireless internet, mobile communication network, or digital broadcasting network through his/her terminal device; the consumer searches for and selects music and multimedia data; the consumer appoints the output device for the selected music and multimedia data; the music or multimedia data is played by the above selected output device; and the consumer and related business end settles the charges. | 10-09-2008 |
Dong-Wook Seo, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100002531 | Multi-Port Memory Devices Having Clipping Circuits Therein that Inhibit Data Errors During Overlapping Write and Read Operations - An integrated circuit device includes a memory array having a multi-port memory cell (e.g., dual-port SRAM cell) therein. This multi-port memory cell includes at least first and second read/write ports, which may be provided by respective access transistors (e.g., N-type MOS transistors) that are responsive to word line signals. The first and second read/write ports are electrically coupled to the first and second bit lines, respectively. A first clipping circuit is also provided. The first clipping circuit is responsive to a first write control signal. The first clipping circuit is configured to bias the first bit line with a read blocking voltage during a first “overlapping” operation to write data from the second bit line into the multi-port memory cell concurrently with reading data from the multi-port memory cell onto the first bit line. | 01-07-2010 |