Patents by Inventor Yooseok Kwon
Yooseok Kwon 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: 11947401Abstract: A system on chip includes a core configured to maintain a clock gating state; a plurality of header switch circuits configured to deliver a supply voltage, which is reduced from an external supply voltage, to the core in response to a plurality of control signals; and a voltage regulator configured to monitor the supply voltage, change logic levels of the plurality of control signals according to a difference level corresponding to a difference between the supply voltage and a preset target voltage, and output the plurality of control signals of which the logic levels have been changed to the plurality of header switch circuits.Type: GrantFiled: December 22, 2021Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaegon Lee, Yohan Kwon, Sangho Kim, Seki Kim, Joonseok Kim, Yooseok Shon, Dooseok Yoon, Iksu Lee, Jongpil Lee, Hyongmin Lee, Wookyeong Jeong
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Publication number: 20230403765Abstract: Discussed is a surface type heating element including a surface type heating element layer including NiCr alloy powders, necks between powder particles of the NiCr alloy powders, and passivation oxide layers formed on a surface of the NiCr alloy powders.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicant: LG ELECTRONICS INC.Inventor: Yooseok KWON
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Patent number: 11832358Abstract: Discussed are a surface type heating element which generates heat using electricity and a method of manufacturing the surface type heating element. The surface type heating element includes a NiCr alloy and has an oxygen content of 1 to 4 wt %, so that it can be used even at a high operating temperature of 400° C. or more, suppresses the elution of the material itself, has high fracture toughness, a low coefficient of thermal expansion, and heat resistance, and furthermore, ensures conductivity by having improved adhesive strength with respect to at least one of a substrate and an insulating layer, and controlled electrical resistivity.Type: GrantFiled: June 11, 2020Date of Patent: November 28, 2023Assignee: LG ELECTRONICS INC.Inventor: Yooseok Kwon
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Publication number: 20230263337Abstract: An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate, in which the plane heating element includes a pattern portion including a start point and an end point; and an electrode portion connected to the start point and the end point of the pattern portion, and a thickness of the electrode portion is thicker than a thickness of the pattern portion.Type: ApplicationFiled: May 1, 2023Publication date: August 24, 2023Inventors: Misun Song, Yooseok Kwon
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Patent number: 11672376Abstract: An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate, in which the plane heating element includes a pattern portion including a start point and an end point; and an electrode portion connected to the start point and the end point of the pattern portion, and a thickness of the electrode portion is thicker than a thickness of the pattern portion.Type: GrantFiled: August 21, 2019Date of Patent: June 13, 2023Assignee: LG ELECTRONICS INC.Inventors: Misun Song, Yooseok Kwon
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Publication number: 20230091715Abstract: Disclosed is a method for producing transition metal oxide fine particles having a size smaller than several micrometers (?m), and more preferably, having a size of several hundred nanometers (nm). To this end, the method for producing transition metal oxide fine particles of the present invention comprises dissolving a transition metal oxide in a strongly basic aqueous solution, and titrating same with a strongly acidic aqueous solution, thereby precipitating transition metal oxide fine particles.Type: ApplicationFiled: November 6, 2020Publication date: March 23, 2023Inventors: Seojin LEE, Yooseok KWON, Sanghyun HONG
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Publication number: 20220357042Abstract: An electric heater includes a substrate; and a first plane heating element disposed on one surface of the substrate, in which the first plane heating element includes a first track; a second track spaced apart from the first track; and a third track spaced apart from the second track. At least a portion of the second track is located between the first track and the third track, and the first track and the second track are connected by a first bridge, where the first bridge includes a first outer protrusion protruding toward the third track. The third track is formed with a curved portion which protrudes in an outward direction, and the first outer protrusion faces an inside of the curved portion in the outward direction and is spaced apart from the curved portion.Type: ApplicationFiled: July 26, 2022Publication date: November 10, 2022Inventors: Misun SONG, Yooseok KWON
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Patent number: 11435088Abstract: An electric heater includes a substrate; and a first plane heating element disposed on one surface of the substrate, in which the first plane heating element includes a first track; a second track spaced apart from the first track; and a third track spaced apart from the second track. At least a portion of the second track is located between the first track and the third track, and the first track and the second track are connected by a first bridge, where the first bridge includes a first outer protrusion protruding toward the third track. The third track is formed with a curved portion which protrudes in an outward direction, and the first outer protrusion faces an inside of the curved portion in the outward direction and is spaced apart from the curved portion.Type: GrantFiled: August 21, 2019Date of Patent: September 6, 2022Assignee: LG ELECTRONICS INC.Inventors: Misun Song, Yooseok Kwon
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Patent number: 11420258Abstract: The present invention provides a method for the manufacture of transition metal oxide fine particles, the method comprising the steps of: heating a strong-alkaline aqueous solution while stirring same; adding to and dissolving in the heated strong-alkaline aqueous solution a transition metal oxide; adding a strong-acid aqueous solution to the strong alkaline aqueous solution in which the transition metal oxide is dissolved, while stirring same, thereby re-dissolving a solid generated at the interface between the strong-alkaline aqueous solution and the strong-acid aqueous solution; adjusting the pH of the mixed aqueous solution resulting from mixing the strong-alkaline aqueous solution and the strong acid aqueous solution, through adjustment of the adding rate and amount of the strong-acid aqueous solution, to precipitate transition metal oxide fine particles; and separating the transition metal oxide fine particles from the mixed aqueous solution and sequentially washing, drying, and thermally treating the sType: GrantFiled: May 10, 2019Date of Patent: August 23, 2022Assignee: LG ELECTRONICS INC.Inventors: Sanghyun Hong, Jihyun Kim, Seojin Lee, Sangeun Shim, Jiyoung Jung, Sosan Hwang, Yooseok Kwon
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Publication number: 20210229179Abstract: The present invention provides a method for the manufacture of transition metal oxide fine particles, the method comprising the steps of: heating a strong-alkaline aqueous solution while stirring same; adding to and dissolving in the heated strong-alkaline aqueous solution a transition metal oxide; adding a strong-acid aqueous solution to the strong alkaline aqueous solution in which the transition metal oxide is dissolved, while stirring same, thereby re-dissolving a solid generated at the interface between the strong-alkaline aqueous solution and the strong-acid aqueous solution; adjusting the pH of the mixed aqueous solution resulting from mixing the strong-alkaline aqueous solution and the strong acid aqueous solution, through adjustment of the adding rate and amount of the strong-acid aqueous solution, to precipitate transition metal oxide fine particles; and separating the transition metal oxide fine particles from the mixed aqueous solution and sequentially washing, drying, and thermally treating the sType: ApplicationFiled: May 10, 2019Publication date: July 29, 2021Inventors: Sanghyun HONG, Jihyun KIM, Seojin LEE, Sangeun SHIM, Jiyoung JUNG, Sosan HWANG, Yooseok KWON
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Publication number: 20200396802Abstract: Discussed are a surface type heating element which generates heat using electricity and a method of manufacturing the surface type heating element. The surface type heating element includes a NiCr alloy and has an oxygen content of 1 to 4 wt %, so that it can be used even at a high operating temperature of 400° C. or more, suppresses the elution of the material itself, has high fracture toughness, a low coefficient of thermal expansion, and heat resistance, and furthermore, ensures conductivity by having improved adhesive strength with respect to at least one of a substrate and an insulating layer, and controlled electrical resistivity.Type: ApplicationFiled: June 11, 2020Publication date: December 17, 2020Applicant: LG ELECTRONICS INC.Inventor: Yooseok KWON
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Publication number: 20200060468Abstract: An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate, in which the plane heating element includes a pattern portion including a start point and an end point; and an electrode portion connected to the start point and the end point of the pattern portion, and a thickness of the electrode portion is thicker than a thickness of the pattern portion.Type: ApplicationFiled: August 21, 2019Publication date: February 27, 2020Inventors: Misun Song, Yooseok Kwon
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Publication number: 20200063974Abstract: An electric heater includes a substrate; and a first plane heating element disposed on one surface of the substrate, in which the first plane heating element includes a first track; a second track spaced apart from the first track; and a third track spaced apart from the second track. At least a portion of the second track is located between the first track and the third track, and the first track and the second track are connected by a first bridge, where the first bridge includes a first outer protrusion protruding toward the third track. The third track is formed with a curved portion which protrudes in an outward direction, and the first outer protrusion faces an inside of the curved portion in the outward direction and is spaced apart from the curved portion.Type: ApplicationFiled: August 21, 2019Publication date: February 27, 2020Inventors: Misun Song, Yooseok Kwon