Patent application number | Description | Published |
20100303462 | OPTICAL DETECTION DEVICE IN WDM-PON AND METHOD FOR SAME - A optical detection apparatus includes: an optical splitting unit configured to split a seed lightwave and split upward signal light generated by an optical network unit, based on the seed lightwave; a first control unit configured to control polarizations of the split seed lightwaves based on a first electrical signal; a second control unit configured to control phases of the split seed lightwaves based on a second electrical signal; an optical coupling and signal conversion unit configured to couple the seed lightwaves, of which the polarization and phase are controlled, and the split upward signal lights, convert the coupled optical signals into the first and second electrical signals, and transfer the first and second electrical signals to the first and second control units, respectively; and a signal detection unit. | 12-02-2010 |
20120114238 | METHOD OF PERFORMING ADAPTIVE CONTRAST ENHANCEMENT USING HYPERLOIC TANGENT CURVE AND IMAGE HISTOGRAM - Disclosed is a method of performing contrast enhancement for an image. A mean luminance value is calculated with respect to an image that is read, the type of the image is determined based on the mean luminance value, a contrast reference curve is created by using a hyperbolic tangential function curve according to the type of the image, and the contrast of the image is enhanced by using the contrast reference curve. | 05-10-2012 |
20120114267 | METHOD OF ENHANCING CONTRAST USING BEZIER CURVE - Disclosed is a method of enhancing contrast of an image by using a Bezier curve. Histogram distribution is calculated based on an image that has been photographed or read out from a storage medium, the type of the image is determined according to the contrast state of the image, the movement directions of control points of a 3-D Bezier curve is determined according to the type of the image, and the movement distances of the control points of the 3-D Bezier curve are calculated based on the number of luminance values of the histogram distribution. Two control points of the 3-D Bezier curve are moved based on the movement directions and the movement distances of the control points, and the 3-D Bezier curve is created by using the two moved control points and two fixed control points. The contrast of the image is enhanced by applying the Bezier curve. | 05-10-2012 |
20120159428 | METHOD OF DETERMINING MULTIMEDIA ARCHITECTURAL PATTERN, AND APPARATUS AND METHOD FOR TRANSFORMING SINGLE-CORE BASED ARCHITECTURE TO MULTI-CORE BASED ARCHITECTURE - A method and apparatus for authoring an architecture for transforming a single-core based embedded software application to a multi-core based embedded software application, and a method of determining an architectural pattern in a multimedia system. It is possible to perform an architecture authoring operation by using an architectural decision supporter, without prior knowledge and accumulated knowledge regarding a software architecture. Additionally, it is possible to prevent an error from occurring during authoring of an architecture, by using a concurrency-related software architectural pattern that is already evaluated. Thus, it is possible to improve overall quality of software, and to reduce a development time. | 06-21-2012 |
20120328193 | METHOD FOR ENHANCING IMAGE EDGE - Disclosed is a method for enhancing an image edge. An edge filter is applied to a photographed image, and the determination is performed with respect to whether pixels having edge possibility are noise or form an edge. The determination for the noise and the edge is performed once more with respect to pixels having vagueness for the noise and the edge by using a 3×3 mask. An edge enhancement process is performed through a simple algorithm. | 12-27-2012 |
20130002912 | METHOD OF CALCULATING LENS SHADING COMPENSATION FACTOR AND METHOD AND APPARATUS FOR COMPENSATING FOR LENS SHADING BY USING THE METHOD - Provided is a method of calculating a compensation factor to compensate for lens shading due to the characteristics of an image capturing device, which requires a small amount of memory. A reference image is captured, and a compensation factor is calculated using the characteristics of a lens shading pattern of the captured reference image. A distribution of pixel values is approximated using an exponential spline function, and a compensation factor is calculated using the approximated distribution. In addition, a method and an apparatus for compensating for lens shading by using a calculated compensation factor are provided. | 01-03-2013 |
20130002941 | METHOD OF CONTROLLING ADAPTIVE AUTO EXPOSURE BASED ON ADAPTIVE REGION WEIGHT - Provided is a method of controlling adaptive auto exposure. In the method, a digital photograph captured from an object and a background is divided into an object region where the object is mainly located and a background region where the background is mainly located. Average luminances of the object and background regions are calculated, and a luminance difference between the average luminances of the object and background regions is calculated. If the luminance difference is within a predetermined range, an average luminance of the entire photograph is calculated by applying a weight to the average luminance of the object region, and exposure is controlled based on the calculated average luminance of the entire photograph so as to emphasize the object region. | 01-03-2013 |
20130170008 | ELECTROWETTING DISPLAY DEVICE HAVING BANKS OF DIFFERENT HYDROPHILICITIES AND METHOD FOR MANUFACTURING THE SAME - Disclosed is an electrowetting display device including a plurality pixels. Each pixel includes a pixel electrode, a hydrophobic layer, a hydrophobic fluid, and a bank adapted to limit the range of movement of the hydrophobic fluid. The bank has a hydrophobic bank surface and a hydrophilic bank surface, which face each other. The hydrophobic fluid is moved from the hydrophilic bank surface towards the hydrophobic bank surface by the application of a voltage to the pixel electrode. | 07-04-2013 |
20140191238 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel includes a gate line elongated in an extension direction and including a gate and dummy gate electrode extended therefrom; and a source electrode, and a single drain member including a drain electrode at a first end thereof and a dummy drain electrode at an opposing second end thereof. The drain electrode faces the source electrode with respect to the gate electrode, and the dummy drain electrode overlaps the dummy gate electrode. The drain and dummy drain electrode respectively include a plurality of first and second regions each having a predetermined width in the extension direction. A second region includes an edge which forms an angle from about 0 degrees to about 90 degrees with the extension direction, and a planar area of at least one of the plurality of second regions is different from that of remaining second regions. | 07-10-2014 |
20140361272 | LIGHT EMITTING ELEMENT, ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - A light emitting element includes: a first electrode, a hole injection layer disposed on the first electrode; a hole transport layer disposed on the hole injection layer; a light emitting layer disposed on the hole transport layer, where the light emitting layer includes a light emission host and a light emission dopant; an electron transport layer disposed on the light emitting layer; an electron injection layer disposed on the electron transport layer; and a second electrode disposed on the electron injection layer. | 12-11-2014 |
Patent application number | Description | Published |
20080241538 | Filament Bundle Type Nano Fiber and Manufacturing Method Thereof - A filament type nano-sized long fiber and a method of producing the same are disclosed. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced by dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of a conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application. | 10-02-2008 |
20090117380 | Filament Bundle Type Nano Fiber and Manufacturing Method Thereof - A filament type nano-sized long fiber and a method of producing the same. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced by dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of a conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application. | 05-07-2009 |
20100021732 | FILAMENT BUNDLE TYPE NANO FIBER AND MANUFACTURING METHOD THEREOF - A filament type nano-sized lone fiber and a method of producing the same are disclosed. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application. | 01-28-2010 |
20100130646 | METHOD FOR MANUFACTURING EPOXY NANOCOMPOSITE MATERIAL CONTAINING VAPOR-GROWN CARBON NANOFIBERS AND ITS PRODUCTS THEREBY - Disclosed is a method for producing an epoxy nanocomposite material containing vapor-grown carbon nanofibers and an epoxy nanocomposite material produced thereby. The method comprises physically mixing 0.1-5.0 parts by weight of vapor-grown carbon nanofibers as reinforcing materials with 100 parts by weight of an epoxy matrix resin to disperse the carbon nanofibers in the epoxy matrix resin, adding a curing agent to the mixture, and curing the mixture. According to the disclosed method, the vapor-grown carbon nanofibers are physically mixed with an epoxy matrix resin without using any solvent. Thus, the vapor-grown carbon nanofibers are sufficiently dispersed in the epoxy matrix resin compared to the case of using a solvent. Therefore, it is possible to produce an epoxy nanocomposite material having excellent mechanical strength and low friction/wear properties at room temperature and excellent thermal properties even at high temperature. Also, the vapor-grown carbon nanofibers are cost-effective and, at the same time, used in an amount smaller than the amount of carbon nanotubes used to improve the physical properties of epoxy resin in the prior art, thus effectively reducing the production cost of the nanocomposite material. | 05-27-2010 |
Patent application number | Description | Published |
20080268783 | CHANNEL ESTIMATOR AND METHOD FOR CHANGING IIR FILTER COEFFICIENT DEPENDING ON MOVING SPEED OF MOBILE COMMUNICATION TERMINAL - Disclosed is a channel estimator and a method for changing a coefficient of an IIR filter depending on a moving speed of a mobile communication terminal. In the channel estimator, a coefficient changing unit receives I and Q signals from a current base station, and selects a coefficient of the IIR filter optimized depending on the moving speed of the current mobile communication terminal. The coefficient changing unit sets the selected coefficient of the IIR filter to the IIR filter of the channel estimator. Accordingly, it is possible to prevent the performance degradation of the channel estimator caused by the speed of the mobile communication terminal. | 10-30-2008 |
20090037385 | APPARATUS AND METHOD FOR TRANSMITTING CONTENTS BETWEEN PORTABLE TERMINALS - An apparatus and method for transmitting one or more contents through a short-range communication is provided. The apparatus includes a content-requesting terminal and a content-providing terminal. The content-requesting terminal requests a list of contents available for transmission to the content-providing terminal, receives the content list from the content-providing terminal, selects one or more contents from the content list, and receives the selected one or more contents from the content-providing terminal. The content-providing portable terminal receives a request for transmitting one or more contents selected from the content list from the content-requesting terminal, and transmits the requested one or more contents to the content-requesting terminal. | 02-05-2009 |
20090125978 | APPARATUS AND METHOD FOR MANAGING CONTENTS RIGHT OBJECT IN MOBILE COMMUNICATION TERMINAL - An apparatus and method for managing a contents right object in a mobile communication terminal are provided. In the method, when a system update event occurs, a valid right object of contents in the mobile communication terminal is encoded and the encoded right object is transmitted to a server. A system update is executed and then the server is requested to transmit the encoded right object. The encoded right object is received from the server and the received right object is decoded. | 05-14-2009 |
20090218934 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device comprising: a first electrode; a second electrode; an emissive layer; a first hole injecting layer disposed between the first electrode and the emissive layer; a second hole injecting layer disposed between the first electrode and the emissive layer; and an electron transporting layer disposed between the emissive layer and the second electrode, wherein the first hole injecting layer comprises a metal fluoride, the second hole injecting layer comprises molybdenum oxide, and the electron transporting layer comprises a metal compound represented by Formula 1 below: | 09-03-2009 |
20150020190 | METHOD FOR DISPLAYING CONTENTS AND ELECTRONIC DEVICE THEREOF - An electronic device is provided. The electronic device includes an output module, a sensing module, and a processor. The output module is configured to output contents. The sensing module is configured to obtain at least one of user information and environment information. The processor is configured to control an operation of the electronic device in response to at least one of the user information and the environment information depending on an attribute of the contents. | 01-15-2015 |
Patent application number | Description | Published |
20120174823 | COMPOSITION FOR COATING FILM TO PREVENT CONSPICUOUS FINGERPRINTS, COATING FILM TO PREVENT CONSPICUOUS FINGERPRINTS USING THE COMPOSITION, AND ARTICLE HAVING THE COATING FILM - A coating film to prevent a conspicuous fingerprint has a water contact angle of no less than 60° so that most of water contained in fingerprints on the coating film evaporates without forming a layer adsorbed on the coating film. Further, the coating film has lipophilicity and has a diiodomethane contact angle of no more than 45° so that the coating film exhibits enhanced affinity to fingerprints, which primarily contain oily components. | 07-12-2012 |
20130025503 | ANTI-FINGERPRINT COATING COMPOSITION AND FILM USING THE SAME - Disclosed herein is an anti-fingerprint coating composition, a coating composition for forming thin films that prevents fingerprints adhered to displays or touch panels from being remarkably visible and exhibits superior durability and slip properties, and a method for preparing the same. | 01-31-2013 |
20140370306 | ANTI-BACTERIAL AND ANTI-FINGERPRINT COATING COMPOSITION, FILM COMPRISING THE SAME, METHOD OF COATING THE SAME AND ARTICLE COATED WITH THE SAME - Disclosed is an anti-bacterial and anti-fingerprint coating composition for forming a multi-functional coating layer having both anti-bacterial functions and anti-fingerprint functions on surfaces of touchscreens provided in portable terminals such as cellular phones, of panels or the like, provided in display devices such as liquid crystal displays (LCDs) or plasma display panels (PDPs), by a dry deposition method. | 12-18-2014 |