Patents by Inventor Min-seuk Kim
Min-seuk Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220041927Abstract: The present invention relates to a sulfide phosphor including a parent body containing one or more selected from Ba, Li, and S, and Al and Ga as constituent elements, wherein one or more activators selected from Eu and Ce are employed to the parent body.Type: ApplicationFiled: December 2, 2020Publication date: February 10, 2022Inventors: Kee-sun SOHN, Min-seuk Kim
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Patent number: 11053438Abstract: The invention relates to a red phosphor with a narrow full width at half maximum, having improved decay time and resolving afterglow phenomenon. The fluoride-based phosphor according to the invention is characterized in including a host having a composition of the following [Formula 1] including rubidium (Rb), cesium (Cs), silicon (Si) and fluorine (F) as constituent elements, and manganese (Mn) which is solid solution treated in the host as an activator: Rb3-xCsxSiF7??[Formula 1] (where, 0<x<3).Type: GrantFiled: September 16, 2019Date of Patent: July 6, 2021Assignee: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Kee-sun Sohn, Min-seuk Kim
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Patent number: 10961450Abstract: The present invention relates to a metal fluoride red phosphor and an application of the phosphor as a light emitting element, the metal fluoride red phosphor having a tetragonal crystal structure of a novel composition, and emitting light in the red color wavelength by being excited by ultraviolet rays or a blue excitation source, thereby being usefully applicable to a light emitting element such as a light emitting diode, a laser diode, a surface emitting laser diode, an inorganic electroluminescence element, and an organic electroluminescence element.Type: GrantFiled: September 22, 2016Date of Patent: March 30, 2021Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Chang Hae Kim, Bo Geuk Bang, Kang Sik Choi, June Kyu Park, Min Seuk Kim, Kee Sun Sohn
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Publication number: 20200102493Abstract: The invention relates to a red phosphor with a narrow full width at half maximum, having improved decay time and resolving afterglow phenomenon.Type: ApplicationFiled: September 16, 2019Publication date: April 2, 2020Inventors: Kee-sun SOHN, Min-seuk Kim
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Publication number: 20180265780Abstract: The present invention relates to a metal fluoride red phosphor and an application of the phosphor as a light emitting element, the metal fluoride red phosphor having a tetragonal crystal structure of a novel composition, and emitting light in the red color wavelength by being excited by ultraviolet rays or a blue excitation source, thereby being usefully applicable to a light emitting element such as a light emitting diode, a laser diode, a surface emitting laser diode, an inorganic electroluminescence element, and an organic electroluminescence element.Type: ApplicationFiled: September 22, 2016Publication date: September 20, 2018Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Chang Hae KIM, Bo Geuk BANG, Kang Sik CHOI, June Kyu Park, Min Seuk KIM, Kee Sun SOHN
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Patent number: 9194019Abstract: The present disclosure provides an apparatus and a method for recovery of valuable metals. The apparatus includes an electrolytic chlorine producing bath, a dissolution bath disposed at a rear side of the electrolytic chlorine producing bath to perform leaching of a valuable metal content, a gas supplier connected to the dissolution bath to supply a carrier gas, a collection bath disposed at the rear side of the dissolution bath to collect a volatile material, a separation bath separating and purifying a leaching reactant generated in the dissolution bath, and chlorine and sodium hydroxide recirculation lines connecting the electrolytic chlorine producing bath, the dissolution bath and the separation bath. The apparatus permits recovery of valuable metals according to characteristics of the valuable metal, and the chlorine and sodium hydroxide recirculation lines of the apparatus provides optimized recovery rate and efficiency, thereby realizing economic feasibility.Type: GrantFiled: June 22, 2012Date of Patent: November 24, 2015Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCESInventors: Min-Seuk Kim, Jae-Chun Lee
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Publication number: 20120325675Abstract: The present disclosure provides an apparatus and a method for recovery of valuable metals. The apparatus includes an electrolytic chlorine producing bath, a dissolution bath disposed at a rear side of the electrolytic chlorine producing bath to perform leaching of a valuable metal content, a gas supplier connected to the dissolution bath to supply a carrier gas, a collection bath disposed at the rear side of the dissolution bath to collect a volatile material, a separation bath separating and purifying a leaching reactant generated in the dissolution bath, and chlorine and sodium hydroxide recirculation lines connecting the electrolytic chlorine producing bath, the dissolution bath and the separation bath. The apparatus permits recovery of valuable metals according to characteristics of the valuable metal, and the chlorine and sodium hydroxide recirculation lines of the apparatus provides optimized recovery rate and efficiency, thereby realizing economic feasibility.Type: ApplicationFiled: June 22, 2012Publication date: December 27, 2012Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCE SInventors: Min-Seuk KIM, Jae-Chun LEE
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Patent number: 8268232Abstract: Provided is an apparatus for dissolving noble metals. A pH adjusting unit controls pH of liquid inside a dissolution reactor in such a manner that a chlorine compound is produced. The noble metal in a noble metal-containing sample introduced into the dissolution reactor is dissolved by the chlorine compound, and the liquid evaporated from an inorganic material extraction unit is recycled to the dissolution reactor.Type: GrantFiled: June 23, 2009Date of Patent: September 18, 2012Assignee: Korea Institute of Geoscience and Mineral Resources (KIGAM)Inventors: Min Seuk Kim, Jong Gwan Ahn
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Publication number: 20090315232Abstract: Provided is an apparatus for dissolving noble metals, including: a sealed dissolution reactor provided with agitators; a sealed electrolysis type chlorine producing unit for supplying chlorine gas produced via electrolysis to the dissolution reactor; a pH adjusting unit for controlling and maintaining pH of the liquid inside the dissolution reactor to convert the chlorine gas supplied to the dissolution reactor into a chlorine compound; and an inorganic material extraction unit for extracting inorganic materials from the liquid received from the dissolution reactor via heating/evaporation, wherein the pH adjusting unit controls pH of the liquid inside the dissolution reactor in such a manner that the chlorine compound is produced, the noble metal in a noble metal-containing sample introduced into the dissolution reactor is dissolved by the chlorine compound, and the liquid evaporated from the inorganic material extraction unit is recycled to the dissolution reactor.Type: ApplicationFiled: June 23, 2009Publication date: December 24, 2009Applicant: Korea Institute of Geoscience and Mineral Resources (KIGAM)Inventors: Min Seuk Kim, Jong Gwan Ahn
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Patent number: 7361431Abstract: Disclosed is a cathode electrode having a cathode active material layer stacked on a current collector. The cathode active material layer includes a porous conductive material having a surface coated with sulfur and/or a sulfur-containing organic compound and/or pores filled with sulfur and/or a sulfur-containing organic compound. A lithium secondary battery employing the cathode electrode also is disclosed. The cathode electrode is structurally stable during charging and discharging since the structure of the cathode active material layer can be maintained even at the phase transition of sulfur during charging and discharging.Type: GrantFiled: June 19, 2002Date of Patent: April 22, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Min-seuk Kim, Duck-young Yoo, Jae-young Choi, Jong-ki Lee
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Patent number: 7303839Abstract: Disclosed is a negative electrode for a lithium sulfur battery. The negative electrode includes a lithium metal, a pre-treatment layer, and a protection layer for the lithium metal. The pre-treatment layer has a thickness of 50 to 5000 ? and includes a lithium ion conductive material with an ionic conductivity of at least 1×10?10 S/cm.Type: GrantFiled: October 17, 2003Date of Patent: December 4, 2007Assignee: Samsung SDI Co., Ltd.Inventors: Jong-Ki Lee, Jea-Woan Lee, Chung-Kun Cho, Sang-Mock Lee, Min-Seuk Kim
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Publication number: 20060219571Abstract: The present invention relates to a precious metal leaching method by electrogenerated chlorine and its apparatus, more precisely, the electroleaching apparatus is composed of two reaction chambers at both sides (right and left) which is divided by central separation membrane; one of the reaction chamber is leaching chamber equipped with chlorine leaching-stable electrode for the electrogeneration of chlorine and stirrer for solution stirring and the other reaction chamber is reduction chamber equipped with electrode used for electrolytic recovery of some parts or entire compounds of leached precious metal, and the apparatus can additionally include separator/purifier for quick recovery of targeted precious metal, if necessary. The present invention provides a very simple leaching method and an apparatus thereof which has high leaching efficiency and enables the recovery of leached precious metal.Type: ApplicationFiled: March 28, 2006Publication date: October 5, 2006Applicant: Korea Institute of Geoscience and Mineral ResourcesInventors: Min-Seuk Kim, Jae-Chun Lee, Jin-Ki Jeong
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Patent number: 6908706Abstract: Provided is a cathode electrode including a current collector, and a cathode electrode active material layer laminated on the current collector, a method of making the cathode electrode, and a battery including the cathode electrode. The cathode electrode active material includes particles having a core-shell structure with a sulfur-containing active material core, a conductor coating disposed on a surface of the active material core, and a binder coating disposed on the conductor coating. A high-performance lithium sulfur battery can be manufactured using the cathode electrode, since sufficient bondability can be attained with only a small amount of a binder.Type: GrantFiled: September 30, 2002Date of Patent: June 21, 2005Assignee: Samsung SDI Co., Ltd.Inventors: Jae-young Choi, Duck-young Yoo, Jong-ki Lee, Min-seuk Kim
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Patent number: 6808696Abstract: A method of preparing nanosized spherical vanadium oxide particles, comprising preparing a vanadium ion-containing aqueous solution by dissolving a vanadium ion-containing material; adding at least one solvent selected from a non-protonic, polar organic solvent and a glycol solvent to the vanadium ion-containing aqueous solution and mixing the same; and aging the mixture.Type: GrantFiled: March 27, 2002Date of Patent: October 26, 2004Assignee: Samsung SDI Co., Ltd.Inventors: Jae-young Choi, Do-young Seung, Duck-young Yoo, Min-seuk Kim
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Publication number: 20040137330Abstract: Disclosed is a negative electrode for a lithium sulfur battery. The negative electrode includes a lithium metal, a pre-treatment layer, and a protection layer for the lithium metal. The pre-treatment layer has a thickness of 50 to 5000 Å and includes a lithium ion conductive material with an ionic conductivity of at least 1×10−10 S/cm.Type: ApplicationFiled: October 17, 2003Publication date: July 15, 2004Inventors: Jong-Ki Lee, Jea-Woan Lee, Chung-Kun Cho, Sang-Mock Lee, Min-Seuk Kim
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Publication number: 20040072066Abstract: Provided is a lithium metal anode having a lithium metal layer and a porous polymer film integrated with a surface of the lithium metal layer. The lithium metal anode further includes a current collector attached to the surface of the lithium metal layer opposite the porous polymer film. The lithium metal anode further includes a protective coating layer between the porous polymer film and the lithium metal layer, the protective coating layer having lithium ionic conductivity and impermeable to an electrolyte.Type: ApplicationFiled: March 18, 2003Publication date: April 15, 2004Applicant: Samsung SDI Co., Ltd.Inventors: Chung-kun Cho, Sang-mock Lee, Jong-ki Lee, Min-seuk Kim
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Publication number: 20030113624Abstract: Disclosed is a cathode electrode having a cathode active material layer stacked on a current collector. The cathode active material layer includes a porous conductive material having a surface coated with sulfur and/or a sulfur-containing organic compound and/or pores filled with sulfur and/or a sulfur-containing organic compound. A lithium secondary battery employing the cathode electrode also is disclosed. The cathode electrode is structurally stable during charging and discharging since the structure of the cathode active material layer can be maintained even at the phase transition of sulfur during charging and discharging.Type: ApplicationFiled: June 19, 2002Publication date: June 19, 2003Applicant: Samsung SDI Co., Ltd.Inventors: Min-seuk Kim, Duck-young Yoo, Jae-young Choi, Jong-ki Lee
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Publication number: 20030113627Abstract: Provided is a cathode electrode including a current collector, and a cathode electrode active material layer laminated on the current collector, a method of making the cathode electrode, and a battery including the cathode electrode. The cathode electrode active material includes particles having a core-shell structure with a sulfur-containing active material core, a conductor coating disposed on a surface of the active material core, and a binder coating disposed on the conductor coating. A high-performance lithium sulfur battery can be manufactured using the cathode electrode, since sufficient bondability can be attained with only a small amount of a binder.Type: ApplicationFiled: September 30, 2002Publication date: June 19, 2003Inventors: Jae-Young Choi, Duck-Young Yoo, Jong-Ki Lee, Min-Seuk Kim
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Publication number: 20020192147Abstract: A method of preparing nanosized spherical vanadium oxide particles, comprising preparing a vanadium ion-containing aqueous solution by dissolving a vanadium ion-containing material; adding at least one solvent selected from a non-protonic, polar organic solvent and a glycol solvent to the vanadium ion-containing aqueous solution and mixing the same; and aging the mixture.Type: ApplicationFiled: March 27, 2002Publication date: December 19, 2002Inventors: Jai-Young Choi, Do-Young Seung, Duck-Young Yoo, Min-Seuk Kim