Choi, Seo-Gu
Bumgyu Choi, Seo-Gu KR
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20090169774 | Retardation film, and polarizing plate and liquid crystal display comprising the same - Disclosed are a retardation film including a polymer resin; and an optically anisotropic compound having a silicon group, and a polarizing plate including the retardation film. Also, disclosed is a liquid crystal display including the retardation film and/or the polarizing plate. | 07-02-2009 |
20100105816 | OPTICALLY ANISOTROPIC COMPOUND AND RESIN COMPOSITION COMPRISING THE SAME - Disclosed is a silicon containing compound represented by Formula 1 which has high optical anisotropy and high compatibility with a polymer resin. Also, a resin composition including the compound and a polymer resin, and an optical member including the resin composition are disclosed. Since the silicon containing compound represented by Formula 1 has high compatibility with a polymer resin and high optical anisotropy, in the case of an optical member obtained by using a polymer resin composition including the silicon containing compound, there is no phase separation, and it is possible to achieve a required optical characteristic with only a small amount thereof. | 04-29-2010 |
20100118232 | POLYMERIZABLE LIQUID CRYSTAL COMPOSITION AND OPTICAL FILM AND DEVICE USING THE SAME - Disclosed is a polymerizable liquid crystal composition which is applicable on a supporting substrate, such as a transparent plastic film for optical use, or glass, etc., and has a homeotropic alignment. Also, disclosed is an optical film obtained by aligning and fixing the polymerizable composition on a substrate. | 05-13-2010 |
Hyun Jin Choi, Seo-Gu KR
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20150266780 | METHOD FOR MANUFACTURING CERAMIC FILTER - A method of manufacturing a ceramic filter for hot gas filtration, and, more particularly, to a method of manufacturing a ceramic filter for hot gas filtration through a drying process. The ceramic filter manufactured by the method is advantageous in that the pore size thereof can be easily adjusted, and the filtering area thereof can be maximized, thus improving the performance thereof. Consequently, the method of manufacturing a ceramic filter can be usefully used in the filter-related industry because a high-performance ceramic filter can be manufactured at a low cost and at low energy. | 09-24-2015 |
Jae-Eul Choi, Seo-Gu KR
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20150216919 | METHOD FOR PRODUCING ROASTED RED GINSENG AND ROASTED RED GINSENG PRODUCED BY SAME - The present invention relates to a method for producing roasted red ginseng, having increased contents of a specific ginsenoside and sugar as compared with unroasted ginseng, which comprises the steps of: primarily roasting a fresh ginseng at 120-230° C. for 20-40 minutes by introducing the fresh ginseng into an oven; and secondarily roasting the primarily roasted red ginseng at 150-250° C. for 20-40 minutes under the pressure of 0.01-0.1 kgf/cm | 08-06-2015 |
Jung-Woo Choi, Seo-Gu KR
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20130089220 | SOUND REPRODUCING APPARTUS - A sound reproducing apparatus is provided to include a controller configured to receive first and second sound source signals, to control magnitudes and phases of the received first and second sound source signals to be heard as if sound is reproduced at a pre-determined position within a listening space, and to output first and second control sound source signals; a first speaker configured to receive the first control sound source signal and to reproduce sound; and a second speaker configured to receive the second control sound source signal and to reproduce sound, wherein the pre-determined position is distant from a listener. | 04-11-2013 |
20130089221 | SOUND REPRODUCING APPARATUS - A sound reproducing apparatus is provided to include a control device configured to receive first and second sound source signals, controls magnitudes and phases of the received first and second sound source signals to be heard as if sound is reproduced at a pre-determined position within a listening space, and to output first and second controlled sound source signals; a first speaker configured to receive the first controlled sound source signal and to reproduce sound; a second speaker configured to receive the second controlled sound source signal and to reproduce sound; and an input device with which a user can draw the listening space and mark the pre-determined position and the user's position in the drawn listening space, wherein the pre-determined position is distant from the user, wherein the input device is made of a touch panel and the user can draw the listening space with his/her finger or a pen and mark the pre-determined position and the user's position through the touch panel, and wherein the control device controls the magnitudes and phases of the first and second sound source signals to be heard as if sound is reproduced at an actual pre-determined position within the listening space corresponding to the pre-determined position marked on the input device, and outputs the first and second controlled sound source signals. | 04-11-2013 |
Seong Ho Choi, Seo-Gu KR
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20140193741 | POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE SAME - Disclosed are a polymer electrolyte membrane for fuel cells and a membrane electrode assembly and fuel cell including the same. The polymer electrolyte membrane includes a fluorine-based cation exchange resin having proton conductivity and fibrous nanoparticles having a hydrophilic group. By using the fluorine-based cation exchange resin having proton conductivity and the fibrous nanoparticles having a hydrophilic group in combination, performance of a fuel cell including the polymer electrolyte membrane is not deteriorated and the polymer electrolyte membrane prevents gases from permeating thereinto and has enhanced durability for extended use. A fuel cell including the above-described polymer electrolyte membrane is provided. | 07-10-2014 |
Weon Jung Choi, Seo-Gu KR
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20120315494 | Polyamic Acid Resin Composition, Method for Preparing the Same and Polyimide Metal Clad Laminate Using the Same - There is provided a polyamic acid resin composition, a method for preparing the same and a polyimide metal clad laminate using the same, in which the polyamic acid resin composition includes an epoxy compound represented by Chemical Formula 1 is defined in specification. | 12-13-2012 |
Won-Jong Choi, Seo-Gu KR
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20140028921 | METHOD AND MOBILE TERMINAL FOR DISPLAYING INFORMATION, METHOD AND DISPLAY DEVICE FOR PROVIDING INFORMATION, AND METHOD AND MOBILE TERMINAL FOR GENERATING CONTROL SIGNAL - A method in which a mobile terminal displays information is provided. The method includes: transmitting, to an external display device, a first signal for selecting an object displayed on the external display device based on a first input of a user through the mobile terminal; transmitting, to the external display device, a second signal for requesting additional information corresponding to the selected object based on a second input of the user through the mobile terminal; and displaying, on a screen of the mobile terminal, the additional information received from the external display device. | 01-30-2014 |
Yang Suk Choi, Seo-Gu KR
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20120238682 | CLAY-REINFORCED POLY(LACTIC ACID)-POLYOLEFIN ALLOY COMPOSITION - The present invention relates to a clay-reinforced poly(lactic acid)-polyolefin alloy composition comprising 5-50 wt % of a clay-reinforced poly(lactic acid) resin, 40-90 wt % of a polyolefin, and 5-20 wt % of a compatibiliser. A clay-poly(lactic acid) nanocomposite according to the present invention is used with a polyolefin resin to enable the easy distribution of the clay-poly(lactic acid) nanocomposite into microstructure in the polyolefin resin, thereby showing excellent gas and moisture barrier characteristics, so that the composition is suitable for a molded product requiring barrier properties such as a sheet and a film for food packaging, a fuel tank and a portable fuel tank. | 09-20-2012 |