Heechul
Heechul Choi, Buk-Gu KR
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20120172213 | ABSORBENT COMPRISING HYDROPHOBIC MESOPOROUS MATERIAL FOR REMOVAL OF HARMFUL PHARMACEUTICALS FROM AQUEOUS ENVIRONMENT - This invention relates to an absorbent including trimethylsilylated mesoporous silica SBA-15, and more particularly to an absorbent including trimethylsilylated mesoporous silica SBA-15, which can effectively remove 90% or more of the seven pharmaceuticals of carbamazepine, diclofenac, estrone, gemfibrozil, ibuprofen, ketoprofen, and trimethoprim which are present in high concentration. | 07-05-2012 |
20130095025 | GRANULAR MESOPOROUS SILICA AND PREPARATION METHOD THEREOF - Disclosed are granular mesoporous silica and a preparation method thereof. The preparation method includes preparing powdered silica containing a structure derivative to form mesopores; preparing a molded precursor including the powdered silica and an inorganic binder or an organic binder; preparing a granular molded article having a predetermined shape by extruding or injection-molding the molded precursor; and removing the structure derivative by calcinating the granular molded article. The granular mesoporous silica represents superior pore characteristics and is used as an adsorbent capable of effectively removing pollutants in water treatment and air pollution treatment. | 04-18-2013 |
20130096001 | PREPARATION METHOD FOR GRANULAR CARBON MESOPOROUS STRUCTURE - Disclosed is a preparation method for a granular carbon mesoporous structure. The preparation method includes the steps of preparing a powdered composite of silica-carbon precursor-pore forming agent by using a mixture including a silica precursor, a carbon precursor and a pore forming agent, preparing a molded precursor by mixing the composite with an organic additive, preparing a granular molded article by extruding or injection-molding the molded precursor, calcinating the molded article, and etching silica included in the calcinated molded article. | 04-18-2013 |
Heechul Chung, Seongnam KR
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20120288579 | USE OF LIGNAN COMPOUND FOR ANTI-WRINKLE TREATMENT - The present invention relates to a novel use of lignan compounds, which are isolated and purified from nutmeg or the aril of nutmeg for anti-wrinkle, and more particularly, the present invention relates to a novel use for anti-wrinkle of an extract of the nutmeg or an extract of the aril of the nutmeg, fragrin A, austobailignan 7, licarin E, and macelignan. The extracts and lignan compounds of the present invention have activities in suppressing collagen degradation enzyme-1 (MMP-1, matrix metalloprotei-nase-1) and formation of new collagen (type-1 procollagen), thereby having effect on inhibitng wrinkle caused by photoaging. Accordingly, the extracts and lignan compounds of the present invention may be useful for preventing or treating wrinkle caused by photoaging. | 11-15-2012 |
Heechul Jung, Seoul KR
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20110309713 | Spindle Motor - A spindle motor is provided, the motor including a bearing assembly including a bearing housing that further includes a housing body and a plurality of staircase sills formed at a periphery of the bearing housing, and a bearing disposed inside the bearing housing; a stator including a core that further includes core pieces formed with through holes at which each of the staircase sills is hitched, and a coil wound on the core; a rotation shaft inserted into a rotation shaft hole of the bearing; and a rotor including a yoke coupled to the rotation shaft and a magnet secured at an inner lateral surface of the yoke to face the core. | 12-22-2011 |
Heechul Lee, Yongin-City KR
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20120181923 | ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS - An organic electroluminescence display apparatus includes an organic light emitting layer disposed on a substrate, a thin film sealing layer on the organic light emitting layer, the thin film sealing layer being configured to seal the organic light emitting layer, a polarizer disposed on the thin film sealing layer, a touch screen panel disposed on the polarizer, and a window layer disposed on the touch screen panel. | 07-19-2012 |
Heechul Lim, Paju-Si KR
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20150160767 | ORGANIC ELECTROLUMINESCENT DEVICE HAVING TOUCH PANEL AND METHOD FOR FABRICATING THE SAME - Provided is an organic electroluminescent device (OLED) having a display area and a non-display area outside the display area that may include an OLED panel including a plurality of organic light-emitting diodes in a cell end line of the display area on an array substrate; and a touch panel on the OLED panel, the touch panel including a plurality of touch contact holes in the non-display area, wherein at least two of the plurality of touch contact holes that are immediately adjacent to the cell end line have substantially the same distance from the cell end line, and method for fabricating the same. | 06-11-2015 |
Heechul Yoo, Gunpo-Si KR
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20110300844 | METHOD FOR RESTRICTING COMMUNICATING SERVICE IN ROAMING IN MULTI MODE TERMINAL AND APPARATUS THEREFOR - A method for performing roaming in a dual mode terminal, which includes a first wireless communication module corresponding to a first communication network and a second wireless communication module corresponding to a second communication network, is disclosed. The method comprises acquiring a public land mobile network (PLMN) identifier by camping on the first communication network; determining whether connection to the first communication network is roaming by comparing roaming decision information included in the PLMN identifier with roaming decision information stored in the dual mode terminal; turning off the second wireless communication module if it is determined that connection to the first communication network is roaming; and transmitting and receiving a signal to and from the first communication network. | 12-08-2011 |