Hyuk Jun
Hyuk Jun Kim, Daejeon KR
Patent application number | Description | Published |
---|---|---|
20120171392 | Optical Films with Controlled Surface Morphology and the Method of Manufacturing the Same - Provided are an optical film for use in flat panel display (FPD) devices, and a method for manufacturing the same. Particularly, there is provided a method for imparting surface roughness to an optical film, which includes forming dented craters having a radius of curvature of 10 nm-100 μm on the surface of an optical film obtained by a solution casting process and forming a plateau between one crater and another crater. There is also provided an optical film obtained by the same method. | 07-05-2012 |
20120276240 | CASTING BELT FOR PRODUCING TRANSCENDENTAL WIDE WIDTH FILM - The present invention relates to a casting belt used for manufacturing an optical film by means of a solvent casting process, in more detail, a casting belt for producing a transcendental wide width film which is used to produce a film in a gel state by casting a dope when manufacturing a film that is used for a polarizer of liquid crystal displays or optical compensation films. | 11-01-2012 |
20130234083 | Cellulose Acylate Film - Provided are a cellulose acylate film used for optical compensation and additives used therefor and, more particularly, is a cellulose acylate film with mechanical physical properties, in particular, very improved modulus affecting film durability. | 09-12-2013 |
20130314790 | PATTERNED RETARDER PLATE AND MANUFACTURING METHOD THEREOF - Provided is a method for manufacturing a patterned retarder plate including a liquid crystal sheet on which a retarding pattern with a λ/4 wavelength by forming a patterned align layer on a photo align layer by performing an align process once. The method for manufacturing a retarder plate according to the exemplary embodiments of the present invention can implement the photoalign through a single process during the photoalign process using the mask, thereby reducing the defect rate due to the existing method and reducing the process costs. | 11-28-2013 |
20140186485 | CASTING BELT FOR PRODUCING TRANSCENDENTAL WIDE WIDTH FILM - Disclosed is a casting belt used for manufacturing an optical film by means of a solvent casting process, in more detail, a casting belt for producing a transcendental wide width film which is used to produce a film in a gel state by casting a dope when manufacturing a film that is used for a polarizer of liquid crystal displays or optical compensation films. | 07-03-2014 |
20140238269 | Optical Film - Disclosed is an optical film, and more particularly, an optical film having excellent mechanical physical properties and low vapor permeability. | 08-28-2014 |
20150053113 | Cellulose Acetate Film - Provided is a cellulose acetate film used for optical compensation and, in particular, a cellulose acetate film having a low retardation value R | 02-26-2015 |
20150068427 | Optical Film - Provided is an optical film used for the optical compensation, in which additives are added to thereby have a good stability at high temperature and high humidity, a higher chromaticity, a higher Haze and a higher moisture resistance, as well as a small thickness direction retardation (Rth). | 03-12-2015 |
Hyuk Jun Lee, Gyeonggi-Do KR
Patent application number | Description | Published |
---|---|---|
20130037174 | METHOD FOR NITRIDING SURFACE OF ALUMINUM OR ALUMINUM ALLOY BY COLD SPRAY METHOD - Provided is a method of nitriding a surface of aluminum or aluminum alloy by cold spraying. That is, a surface of aluminum or aluminum alloy is coated by cold spraying, and then a heat treatment is performed thereon at low temperature for a short time period. Accordingly, the method is suitable for nitriding a surface of Al and Al alloy, which is very difficult to be nitrided, at low production costs. The method includes removing a foreign material from a surface of a mother substrate comprising Al or Al alloy; cold spraying 15 to 50 wt % of a catalyst powder and 50 to 85 wt % of a coating agent powder on the surface of the mother substrate to form a coating layer; and heat treating the coating layer at a temperature of 450 to 630° C. in a nitrogen atmosphere for 2 to 24 hours. | 02-14-2013 |
20130115378 | PRE-TREATMENT APPARATUS AND METHOD FOR IMPROVING ADHESION OF THIN FILM - Provided are a pre-treatment apparatus and method for improving an adhesion of a thin film The pre-treatment apparatus includes: a gas compressor that compresses gas supplied from the outside and contained, and supplies a process gas that is compressed; a powder feeder for supplying a coating powder including a single metal or alloy supplied from the outside and contained; and a spray nozzle through which the process gas supplied from the gas compressor and the coating powder supplied from the powder feeder are cold sprayed on a surface of a base metal on which a thin film is to be deposited so as to form a porous metal coating layer on the surface of the base metal. The pre-treatment method includes: preparing a base metal including a single metal or alloy; preparing a coating powder including powder of one or more single metals or an alloy thereof; forming a porous metal coating layer on a surface of the base metal, on which a thin film is to be deposited, by cold-spraying the coating powder and a process gas to the surface of the base metal; and depositing the thin film on the coating layer, wherein the thin film includes metal. | 05-09-2013 |
Hyuk Jun Lee, Yongin-Si KR
Patent application number | Description | Published |
---|---|---|
20130040775 | GEAR TRAIN OF MULTI-STEP TRANSMISSION FOR VEHICLE - Disclosed herein is a gear train of a multi-step transmission for a vehicle, which can shift gears among nine forward speeds and one reverse speed. The gear train realizes a desired level of multi-step change gear ratios and has a reduced number of sets of planetary gears to reduce the volume and length of the transmission, thus realizing a compact structure, thereby facilitating the installation of the transmission in the vehicle. | 02-14-2013 |
Hyuk Jun Oh, Seoul KR
Patent application number | Description | Published |
---|---|---|
20090154540 | METHOD AND APPARATUS FOR ESTIMATING CHANNEL IN MOBILE COMMUNICATION NETWORK - The present invention relates to a method and apparatus for estimating a channel in a mobile communication network. In particular, the present invention relates to a method of estimating a channel under a channel environment where interference between neighboring base stations exists in a mobile communication network using an orthogonal frequency division multiplexing (OFDM) method. In order to estimate a channel, one cluster is divided into two sub-clusters, and pilot sub-carrier signals included in at least one sub-cluster in an OFDM symbol direction are used. Therefore, it is possible to further improve performance as compared to a method of estimating a channel by using pilot sub-carriers included in one cluster. | 06-18-2009 |
20150181598 | METHOD OF TRANSMITTING SIGNAL, AND APPARATUS FOR PERFORMING THE SAME - A signal transmission method and apparatus are provided. A signal transmission apparatus may include a time hopping apparatus configured to calculate a difference between values of time hopping patterns corresponding to adjacent symbol transmission periods, and to determine, based on the calculated difference, whether a position of a time hopping pattern corresponding to one of the adjacent symbol transmission periods is to be adjusted, and a transmitter configured to transmit a signal in the adjacent symbol transmission periods based on a determination result obtained by the time hopping apparatus. Additionally, a related signal reception apparatus is provided. | 06-25-2015 |
Hyuk-Jun Jung, Shiheung-Si KR
Patent application number | Description | Published |
---|---|---|
20150175646 | SOLID FORMS OF AN ANTIVIRAL COMPOUND - Crystalline solid forms of the anti-HCV compound (S)-isopropyl 2-((S)-(((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(phenoxy)phosphorylamino)propanoate (Compound I) are described | 06-25-2015 |
Hyuk-Jun Jung, Gyeonggi-Do KR
Patent application number | Description | Published |
---|---|---|
20130007301 | USER EQUIPMENT CONNECTABLE TO AN EXTERNAL DEVICE - Provided are user equipment connectable to an external device and a method for establishing a connection between user equipment including second constituent elements and an external device including first constituent elements and controlling the external device. The method may include sensing the connection to the external device, obtaining first constituent element information from the external device through the connection, wherein the first constituent element information includes information on first constituent elements of the external device, selecting target constituent elements to control from the first constituent elements of the external device based on the obtained first constituent element information, reconfiguring a control path for controlling the selected target constituent elements of the external device, and controlling the selected target constituent elements of the external device through the reconfigured control path. | 01-03-2013 |
Hyuk-Jun Kwon, Seoul KR
Patent application number | Description | Published |
---|---|---|
20110317236 | Reflective Display Device - A reflective display device including: a substrate; a reflective layer on the substrate and configured to reflect light incident on the reflective layer; a color filter layer on the reflective layer; and an optical shutter layer on the color filter layer. Each pixel of a plurality of pixels of the reflective display device includes a plurality of sub-pixels and each sub-pixel includes the substrate, the reflective layer, the color filter layer, and the optical shutter layer, and for each pixel, the color filter layer includes a plurality of color filter elements corresponding to colors respectively obtained by the plurality of sub-pixels. At least one of the plurality of color filter elements includes a composite color area including a plurality of white areas configured to let white light pass through them such that the white light is directly reflected by the reflective layer and the plurality of white areas are discontinuously distributed in at least a portion of the composite color area through which light of the obtained colors passes. | 12-29-2011 |
20120037928 | ANTI-REFLECTION FILM AND FOLDABLE DISPLAY DEVICE EMPLOYING THE SAME - A anti-reflection film includes a light phase delay film which changes a phase of incident light, a polarizing film on the light phase delay film and transmitting light with a polarization component in a particular direction, and a protective film on the polarizing film and protecting the polarizing film. All of the polarizing film, the light phase delay film, and the protective film include flexible materials. | 02-16-2012 |
20120147599 | FOLDABLE DISPLAY APPARATUS - A foldable display apparatus includes a bendable display panel which folds with respect to a folding axis. The display panel includes a plurality of display devices and a window layer. Each of the display devices includes a plurality of pixels each including a plurality of color elements having different colors from each other. A plurality of color elements of a same color is linearly arranged in a direct line direction which is non-parallel to the folding axis. The window layer includes a soft material part including a soft material in a folding part of the display panel, and a protective window part other than the soft material part. The protective window part protects the display part of the plurality of display devices. | 06-14-2012 |