Patents by Inventor Hyung-Ju Ahn
Hyung-Ju Ahn 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: 20230400764Abstract: A resist material is combined with a ligand containing four or more fluorine atoms and is represented by the following formula: [(R1M)iOjXk(OH)m] (OH)nR2p, wherein one of “R1” and “R2” is CaFbHc, CaFbHcNd, CaFbHcPd, CaFbHcSd, CaFbHcOd, CaFbHcNdSe, CaFbHcPdSe, CaFbHcNdOe, or CaFbHcPdOe, the other of “R1” and “R2” is CaHc, CaFbHc, CaFbHcNd, CaFbHcPd, CaFbHcSd, CaFbHcOd, CaFbHcNdSe, CaFbHcPdSe, CaFbHcNdOe, or CaFbHcPdOe, “a” and “c” are each independently an integer of 0 to 20, “b” is an integer of 4 to 30, “d” and “e” are each independently an integer of 0 to 5, “M” is one metal selected from a specified list, “i” is an integer from 1 to 12, “j” is an integer of 1 to 14, “X” is a halogen selected from a specified list, “k” and “m” are each independently an integer of 0 to 6, and “n” and “p” are each independently an integer of 0 to 2.Type: ApplicationFiled: March 10, 2023Publication date: December 14, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jin-Kyun Lee, Chawon Koh, Ye-Jin Ku, Tsunehiro Nishi, Hyunwoo Kim, Hyung-Ju Ahn
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Patent number: 9108521Abstract: A battery control apparatus includes an emergency charging unit including an external charging terminal for applying power to a main battery pack, a first voltage measurement unit for measuring the voltage of the external charging terminal, and an emergency charging switch for switching the connection between the external charging terminal and the main battery pack; an auxiliary battery connection unit including an auxiliary battery connection terminal for applying power to the vehicle through a contactor, a second voltage measurement unit for measuring the voltage of the auxiliary battery connection terminal, and an auxiliary battery switch for switching the connection between the auxiliary battery connection terminal and the contactor; and an emergency control unit for switching to an emergency charging mode or an auxiliary connection mode by turning on the emergency charging switch or the auxiliary battery switch during the voltage measurement of the first or second voltage measurement unit.Type: GrantFiled: September 4, 2013Date of Patent: August 18, 2015Assignee: LG Chem, Ltd.Inventors: Chang-Gi Jung, Hyung-Ju Ahn
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Patent number: 8895174Abstract: A cable-type secondary battery is provided. The cable-type secondary battery includes an electrode assembly and a covering capable of surrounding the electrode assembly. The electrode assembly includes a first polarity electrode, a second polarity electrode, and a separator or an electrolyte layer interposed between the two electrodes. Each of the electrodes has an elongated shape and a structure in which an electrode active material is applied to the surface of a current collector whose shape in cross section orthogonal to the lengthwise direction thereof is circular, elliptical or polygonal. The covering includes a thermally conductive cover member as an upper half part and a thermally insulating cover member as a lower half part. The upper half part and the lower half part are divided by a horizontal plane passing the center of the cross section orthogonal to the lengthwise direction of the cable-type secondary battery.Type: GrantFiled: August 14, 2013Date of Patent: November 25, 2014Assignee: LG Chem, Ltd.Inventors: Yo-Han Kwon, Je-Young Kim, Hyung-Ju Ahn
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Publication number: 20140002026Abstract: A battery control apparatus includes an emergency charging unit including an external charging terminal for applying power to a main battery pack, a first voltage measurement unit for measuring the voltage of the external charging terminal, and an emergency charging switch for switching the connection between the external charging terminal and the main battery pack; an auxiliary battery connection unit including an auxiliary battery connection terminal for applying power to the vehicle through a contactor, a second voltage measurement unit for measuring the voltage of the auxiliary battery connection terminal, and an auxiliary battery switch for switching the connection between the auxiliary battery connection terminal and the contactor; and an emergency control unit for switching to an emergency charging mode or an auxiliary connection mode by turning on the emergency charging switch or the auxiliary battery switch during the voltage measurement of the first or second voltage measurement unit.Type: ApplicationFiled: September 4, 2013Publication date: January 2, 2014Applicant: LG CHEM, LTD.Inventors: Chang-Gi JUNG, Hyung-Ju AHN
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Patent number: 8617258Abstract: Provided is a method for manufacturing a cable-type secondary battery including preparing an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, the electrode assembly including an inner current collector, an anode active material layer, a cathode active material layer, and an electrolyte layer interposed between the anode active material layer and the cathode active material layer, preparing a heat-shrinkable protection coating by forming a thin-film outer current collector on the inner surface of a heat-shrinkable tube, and inserting the electrode assembly into the heat-shrinkable protection coating and heating to shrink the heat-shrinkable protection coating such that the shrunken protection coating is closely adhered to the outer surface of the electrode assembly. The manufacturing method may eliminate the need of post-processing such as drying, thereby simplifying the method and carrying out the method in a continuous manner.Type: GrantFiled: February 24, 2012Date of Patent: December 31, 2013Assignee: LG Chem, Ltd.Inventors: Yo-Han Kwon, Je-Young Kim, Hyung-Ju Ahn
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Publication number: 20130344368Abstract: A cable-type secondary battery is provided. The cable-type secondary battery includes an electrode assembly and a covering capable of surrounding the electrode assembly. The electrode assembly includes a first polarity electrode, a second polarity electrode, and a separator or an electrolyte layer interposed between the two electrodes. Each of the electrodes has an elongated shape and a structure in which an electrode active material is applied to the surface of a current collector whose shape in cross section orthogonal to the lengthwise direction thereof is circular, elliptical or polygonal. The covering includes a thermally conductive cover member as an upper half part and a thermally insulating cover member as a lower half part. The upper half part and the lower half part are divided by a horizontal plane passing the center of the cross section orthogonal to the lengthwise direction of the cable-type secondary battery.Type: ApplicationFiled: August 14, 2013Publication date: December 26, 2013Applicant: LG CHEM, LTD.Inventors: Yo-Han Kwon, Je-Young Kim, Hyung-Ju Ahn
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Patent number: 8552686Abstract: A battery control apparatus includes an emergency charging unit including an external charging terminal for applying power to a main battery pack, a first voltage measurement unit for measuring the voltage of the external charging terminal, and an emergency charging switch for switching the connection between the external charging terminal and the main battery pack; an auxiliary battery connection unit including an auxiliary battery connection terminal for applying power to the vehicle through a contactor, a second voltage measurement unit for measuring the voltage of the auxiliary battery connection terminal, and an auxiliary battery switch for switching the connection between the auxiliary battery connection terminal and the contactor; and an emergency control unit for switching to an emergency charging mode or an auxiliary connection mode by turning on the emergency charging switch or the auxiliary battery switch during the voltage measurement of the first or second voltage measurement unit.Type: GrantFiled: July 3, 2012Date of Patent: October 8, 2013Assignee: LG Chem, Ltd.Inventors: Chang-Gi Jung, Hyung-Ju Ahn
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Publication number: 20120268068Abstract: A battery control apparatus includes an emergency charging unit including an external charging terminal for applying power to a main battery pack, a first voltage measurement unit for measuring the voltage of the external charging terminal, and an emergency charging switch for switching the connection between the external charging terminal and the main battery pack; an auxiliary battery connection unit including an auxiliary battery connection terminal for applying power to the vehicle through a contactor, a second voltage measurement unit for measuring the voltage of the auxiliary battery connection terminal, and an auxiliary battery switch for switching the connection between the auxiliary battery connection terminal and the contactor; and an emergency control unit for switching to an emergency charging mode or an auxiliary connection mode by turning on the emergency charging switch or the auxiliary battery switch during the voltage measurement of the first or second voltage measurement unit.Type: ApplicationFiled: July 3, 2012Publication date: October 25, 2012Inventors: Chang-Gi JUNG, Hyung-Ju AHN
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Publication number: 20120156554Abstract: Provided is a method for manufacturing a cable-type secondary battery including preparing an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, the electrode assembly including an inner current collector, an anode active material layer, a cathode active material layer, and an electrolyte layer interposed between the anode active material layer and the cathode active material layer, preparing a heat-shrinkable protection coating by forming a thin-film outer current collector on the inner surface of a heat-shrinkable tube, and inserting the electrode assembly into the heat-shrinkable protection coating and heating to shrink the heat-shrinkable protection coating such that the shrunken protection coating is closely adhered to the outer surface of the electrode assembly. The manufacturing method may eliminate the need of post-processing such as drying, thereby simplifying the method and carrying out the method in a continuous manner.Type: ApplicationFiled: February 24, 2012Publication date: June 21, 2012Applicant: LG CHEM, LTD.Inventors: Yo-Han Kwon, Je-Young Kim, Hyung-Ju Ahn
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Patent number: 7630025Abstract: The present invention provides an anistropic diffusion sheet, which comprises an isotropic diffusion layer for isotropically diffusing the light incident from the light source portion by internal light scattering; and a plurality of reflectors which is disposed at an interval on the upper surface of the isotropic diffusion layer, so as to reflect the light isotropically diffused by the isotropic diffusion layer to the display panel, wherein the light, emitted from the light source portion and then becomes incident to the isotropic diffusion layer, is isotropically diffused through the isotropic diffusion layer, the light isotropically illuminated by the isoptropic diffusion layer is the reflected by the plurality of reflector to be anisotropically diffuse, and this anisotropically diffused light becomes incident to the liquid crystal display panel.Type: GrantFiled: February 20, 2007Date of Patent: December 8, 2009Assignee: LG Chem, Ltd.Inventors: Kwang-Seung Park, Kyung-Mo Kim, Jang-Hoon Lee, Hyung-Ju Ahn, Sang-Choll Han
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Publication number: 20090009687Abstract: The present invention provides an anistropic diffusion sheet, which comprises: an isotropic diffusion layer for isotropically diffusing the light incident from the light source portion by internal light scattering; and a plurality of reflectors which is disposed at an interval on the upper surface of the isotropic diffusion layer, so as to reflect the light isotropically diffused by the isotropic diffusion layer t the display panel, wherein the , emitted from the light source portion and then becomes incident to the isotropic diffusion layer, is isotropically diffused through the isotropic diffusion layer, the light isotropically illuminated by the isoptropic diffusion layer is the reflected by the plurality of reflector to be anisotropically diffuse, and this anisotropically diffused light becomes incident to the liquid crystal display panel.Type: ApplicationFiled: February 20, 2007Publication date: January 8, 2009Inventors: Kwang-Seung Park, Kyung-Mo Kim, Jang-Hoon Lee, Hyung-Ju Ahn, Sang-Choll Han