Patents by Inventor Byoung-Suhk Kim
Byoung-Suhk 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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Patent number: 10983403Abstract: A flexible liquid crystal film using a fiber-based foldable transparent electrode and a method of fabricating the same are provided. A flexible liquid crystal film using a fiber-based foldable transparent electrode according to an exemplary embodiment of the present disclosure, the flexible liquid crystal film includes: a pair of fiber-based foldable transparent electrodes in which a nanofiber transparent thin film formed of a polymer and a Nylon-6 nanofiber is coated with a silver (Ag) nanowire; and a dispersed liquid crystal formed by being cured between the pair of fiber-based foldable transparent electrodes.Type: GrantFiled: March 21, 2019Date of Patent: April 20, 2021Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITYInventors: Seung Hee Lee, Byoung Suhk Kim, In Chul Kim, Tae Hyung Kim, Chae-Song Kwak
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Patent number: 10910124Abstract: A foldable transparent electrode based on fiber and a manufacturing method thereof are provided. The manufacturing method of a foldable transparent electrode based on fiber according to the exemplary embodiment includes: coating a nylon-6 nanofiber nonwoven fabric with a polymer to prepare a nylon-6 nanofiber transparent thin film, and spin coating the nylon-6 nanofiber transparent thin film with a silver nanowire solution.Type: GrantFiled: November 24, 2017Date of Patent: February 2, 2021Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITYInventors: Byoung Suhk Kim, Seung Hee Lee, In Chul Kim
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Patent number: 10734168Abstract: Provided is a cellulose thin film electrode comprising a silver nano dendrite and a method of manufacturing the same. The method of manufacturing a cellulose thin film electrode comprising a silver nano dendrite comprises: forming the cellulose thin film electrode comprising a silver nano dendrite by soaking a reaction metal to which a thin film comprising silver nitrate and cellulose acetate is attached, in a reaction solution; and separating the cellulose thin film electrode from the reaction metal and then removing the reaction metal from the reaction solution.Type: GrantFiled: July 15, 2016Date of Patent: August 4, 2020Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITYInventors: Byoung Suhk Kim, Hak Yong Kim, Tae Hoon Ko, Ji Young Park
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Publication number: 20200243212Abstract: A foldable transparent electrode based on fiber and a manufacturing method thereof are provided. The manufacturing method of a foldable transparent electrode based on fiber according to the exemplary embodiment includes: coating a nylon-6 nanofiber nonwoven fabric with a polymer to prepare a nylon-6 nanofiber transparent thin film, and spin coating the nylon-6 nanofiber transparent thin film with a silver nanowire solution.Type: ApplicationFiled: November 24, 2017Publication date: July 30, 2020Inventors: Byoung Suhk KIM, Seung Hee LEE, In Chul KIM
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Publication number: 20190302508Abstract: A flexible liquid crystal film using a fiber-based foldable transparent electrode and a method of fabricating the same are provided. A flexible liquid crystal film using a fiber-based foldable transparent electrode according to an exemplary embodiment of the present disclosure, the flexible liquid crystal film includes: a pair of fiber-based foldable transparent electrodes in which a nanofiber transparent thin film formed of a polymer and a Nylon-6 nanofiber is coated with a silver (Ag) nanowire; and a dispersed liquid crystal formed by being cured between the pair of fiber-based foldable transparent electrodes.Type: ApplicationFiled: March 21, 2019Publication date: October 3, 2019Inventors: Seung Hee Lee, Byoung Suhk Kim, In Chul Kim, Tae Hyung Kim, Chae-Song Kwak
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Publication number: 20180211795Abstract: Provided is a cellulose thin film electrode comprising a silver nano dendrite and a method of manufacturing the same. The method of manufacturing a cellulose thin film electrode comprising a silver nano dendrite comprises: forming the cellulose thin film electrode comprising a silver nano dendrite by soaking a reaction metal to which a thin film comprising silver nitrate and cellulose acetate is attached, in a reaction solution; and separating the cellulose thin film electrode from the reaction metal and then removing the reaction metal from the reaction solution.Type: ApplicationFiled: July 15, 2016Publication date: July 26, 2018Applicant: Industrial Cooperation Foundation Chonbuk National UniversityInventors: Byoung Suhk KIM, Hak Yong KIM, Tae Hoon KO, Ji Young PARK
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Patent number: 9177729Abstract: The present invention provides a separator and a method for manufacturing the separator. The separator includes a first nanofiber layer (20) which has a lattice shape when viewed from a plan view, a second nanofiber layer (30) which is provided on a first surface of the first nanofiber layer (20) and is thinner than the first nanofiber layer, and a third nanofiber layer (40) which is provided on a second surface of the first nanofiber layer and is thinner than the first nanofiber layer. The thickness of the first nanofiber layer ranges from 7 ?m to 30 ?m. The thickness of each of the second and third nanofiber layers ranges from 1 ?m to 5 ?m. The present invention can provide a separator which has high insulation, high dendrite resistance, high ion conductivity and high mechanical strength.Type: GrantFiled: February 6, 2012Date of Patent: November 3, 2015Assignees: TOPTEC COMPANY LIMITED, SHINSHU UNIVERSITYInventors: Ick-soo Kim, Byoung-Suhk Kim, Kei Watanabe, Naotaka Kimura, Kyu-oh Kim, Jae-hwan Lee
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Publication number: 20140004405Abstract: The present invention provides a separator and a method for manufacturing the separator. The separator includes a first nanofiber layer (20) which has a lattice shape when viewed from a plan view, a second nanofiber layer (30) which is provided on a first surface of the first nanofiber layer (20) and is thinner than the first nanofiber layer, and a third nanofiber layer (40) which is provided on a second surface of the first nanofiber layer and is thinner than the first nanofiber layer. The thickness of the first nanofiber layer ranges from 7 ?m to 30 ?m. The thickness of each of the second and third nanofiber layers ranges from 1 ?m to 5 ?m. The present invention can provide a separator which has high insulation, high dendrite resistance, high ion conductivity and high mechanical strength.Type: ApplicationFiled: February 6, 2012Publication date: January 2, 2014Applicants: TOPTEC COMPANY LIMITED, SHINSHU UNIVERSITYInventors: Ick-soo Kim, Byoung-Suhk Kim, Kei Watanabe, Naotaka Kimura, Kyu-oh Kim, Jae-hwan Lee
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Patent number: 8333947Abstract: A method for manufacturing carbon nanotubes includes the steps of: preparing metal-containing-nanofibers which include nanofibers made of organic polymer and metal which possesses a catalytic function in forming carbon nanotubes; and forming carbon nanotubes which contain metal therein by using the nanofibers as a carbon source, wherein the carbon nanotubes are formed by putting the metal-containing-nanofibers into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal-containing-nanofibers using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel.Type: GrantFiled: August 3, 2009Date of Patent: December 18, 2012Assignee: Shinshu UniversityInventors: Kazuchika Ohta, Ick-Soo Kim, Byoung-Suhk Kim, Jongchul Park
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Patent number: 8202504Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing a metal complex which contains at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes which contain metal therein by using the organic compound as a carbon source, wherein the carbon nanotubes are formed by putting the metal complex into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal complex using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel. As the metal complex used in a method for manufacturing carbon nanotubes of the present invention, nickel stearate or nickel benzoate can be named, for example. According to the method for manufacturing carbon nanotubes of the present invention, it is possible to manufacture carbon nanotubes using an inexpensive heating device within a short time.Type: GrantFiled: August 3, 2009Date of Patent: June 19, 2012Assignee: Shinshu UniversityInventors: Kazuchika Ohta, Ick-Soo Kim, Byoung-Suhk Kim, Jongchul Park
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Publication number: 20120148739Abstract: A method for manufacturing metal nanostructure which can manufacture a metal nanostructure which has the structure and properties different from the structure and properties of a conventional material and can be properly used in various applications is provided. The method for manufacturing metal nanostructure includes the steps of: preparing metal-coated organic nanofibers in which surfaces of the organic nanofibers are coated with metal; and preparing a metal nanostructure having the structure where the organic nanofibers are used as a template by removing organic components from the metal-coated organic nanofibers by heating the metal-coated organic nanofibers at a temperature ranging from 250° C. to 600° C.Type: ApplicationFiled: December 9, 2010Publication date: June 14, 2012Applicants: SHINSHU UNIVERSITY, TOPTEC CO., LTD.Inventors: Ick Soo KIM, Jae Hwan LEE, Byoung-Suhk KIM, Kei WATANABE, Naotaka KIMURA, Hae-Rim KIM, Hyun-Sik BANG
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Patent number: 8192714Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes by using the organic compound as a carbon source, wherein the metal and the organic compound are put into a heating vessel having a substance capable of converting electromagnetic energy into heat, and the organic compound is brought into contact with the metal in a state where the inside of the heating vessel is heated at a temperature of 600° C. to 900° C. by applying the electromagnetic energy to the heating vessel so as to form the carbon nanotubes.Type: GrantFiled: August 3, 2009Date of Patent: June 5, 2012Assignee: Shinshu UniversityInventors: Kazuchika Ohta, Ick-Soo Kim, Byoung-Suhk Kim, Jongchul Park
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Publication number: 20100296996Abstract: A method for manufacturing carbon nanotubes includes the steps of: preparing metal-containing-nanofibers which include nanofibers made of organic polymer and metal which possesses a catalytic function in forming carbon nanotubes; and forming carbon nanotubes which contain metal therein by using the nanofibers as a carbon source, wherein the carbon nanotubes are formed by putting the metal-containing-nanofibers into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal-containing-nanofibers using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel.Type: ApplicationFiled: August 3, 2009Publication date: November 25, 2010Applicants: SHINSHU UNIVERSITY, FINETEX ENE, INC.Inventors: Kazuchika OHTA, Ick-Soo KIM, Byoung-Suhk KIM, Jongchul PARK
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Publication number: 20100196247Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes by using the organic compound as a carbon source, wherein the metal and the organic compound are put into a heating vessel having a substance capable of converting electromagnetic energy into heat, and the organic compound is brought into contact with the metal in a state where the inside of the heating vessel is heated at a temperature of 600° C. to 900° C. by applying the electromagnetic energy to the heating vessel so as to form the carbon nanotubes.Type: ApplicationFiled: August 3, 2009Publication date: August 5, 2010Applicants: SHINSHU UNIVERSITY, FINETEX ENE, INC.Inventors: Kazuchika OHTA, Ick-Soo KIM, Byoung-Suhk KIM, Jongchul PARK
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Publication number: 20100196248Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing a metal complex which contains at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes which contain metal therein by using the organic compound as a carbon source, wherein the carbon nanotubes are formed by putting the metal complex into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal complex using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel. As the metal complex used in a method for manufacturing carbon nanotubes of the present invention, nickel stearate or nickel benzoate can be named, for example. According to the method for manufacturing carbon nanotubes of the present invention, it is possible to manufacture carbon nanotubes using an inexpensive heating device within a short time.Type: ApplicationFiled: August 3, 2009Publication date: August 5, 2010Applicants: SHINSHU UNIVERSITY, FINETEX ENE, INC.Inventors: Kazuchika OHTA, Ick-Soo KIM, Byoung-Suhk KIM, Jongchul PARK
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Patent number: 7067606Abstract: Amphiphilic telechelics incorporating polyhedraloligosilsesquioxane (POSS) synthesized by direct urethane linkage between the diol end groups of polyethylene glycol (PEG) homopolymers and the monoisocyanate group of POSS macromers. The hydrophobicity of the amphiphilic telechelics can be varied by using PEG homopolymers of increasing MW, providing for control over molecular architecture by hydrophilic/hydrophobic balance. Methods for synthesizing the amphiphilic telechelics and their use as surfactants, thickening agents, additives to plastic such as PMMA?(Plexiglass), epoxyadhesives for improving their properties are also disclosed.Type: GrantFiled: July 16, 2003Date of Patent: June 27, 2006Assignee: University of ConnecticutInventors: Patrick T. Mather, Byoung-Suhk Kim, Qing Ge, Changdeng Liu
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Publication number: 20040024098Abstract: Amphiphilic telechelics incorporating polyhedraloligosilsesquioxane (POSS) synthesized by direct urethane linkage between the diol end groups of polyethylene glycol (PEG) homopolymers and the monoisocyanate group of POSS macromers. The hydrophobicity of the amphiphilic telechelics can be varied by using PEG homopolymers of increasing MW, providing for control over molecular architecture by hydrophilic/hydrophobic balance. Methods for synthesizing the amphiphilic telechelics and their use as surfactants, thickening agents, additives to plastic such as PMMA′(Plexiglass), epoxyadhesives for improving their properties are also disclosed.Type: ApplicationFiled: July 16, 2003Publication date: February 5, 2004Inventors: Patrick T. Mather, Byoung-Suhk Kim, Qing Ge, Changdeng Liu