Patents by Inventor Seung Jae HWANG
Seung Jae HWANG 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: 20240145935Abstract: An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.Type: ApplicationFiled: October 31, 2022Publication date: May 2, 2024Inventors: Byung Chul PARK, Seung Ho KIM, Kun Sup KWON, Jong Wan HEO, Sung Jae LEE, Ki Min HWANG
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Patent number: 11805625Abstract: An insulating heat dissipation coating composition including a coating layer-forming component including a subject resin, and an insulating heat dissipation filler. Therefore, the coating composition may have excellent thermal conductivity and excellent thermal emissivity, and therefore an insulating heat dissipation coating layer which exhibits excellent heat dissipation performance and has insulating property may be formed. In addition, the heat dissipation coating layer formed thereby has a very excellent adhesive strength to a surface to be coated so as to significantly prevent peeling of the coating layer during use, and to maintain durability of the coating layer even against a physical or chemical stimulus such as external heat, organic solvent, moisture or shock, which is generated after the coating layer is formed.Type: GrantFiled: May 24, 2017Date of Patent: October 31, 2023Assignee: AMOGREENTECH CO., LTD.Inventors: Moon Hoe Kim, Seung Jae Hwang, Moon Young Hwang
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Patent number: 11688542Abstract: A wireless power transmission device for a vehicle is provided. A wireless power transmission device for a vehicle includes: a wireless power transmission module including at least one wireless power transmission antenna for transmitting wireless power, and a magnetic field shielding sheet arranged on one surface of the wireless power transmission antenna; a radiation case having one side to which the wireless power transmission module is coupled, having at least one circuit board embedded therein so as to drive the wireless power transmission module, and radiating heat generated by a heat source; a radiation plate arranged between the wireless power transmission module and the radiation case, and dispersing heat generated in the wireless power transmission antenna; an insulating layer arranged on one surface of the radiation plate so as to block thermal transferring between the radiation case and the radiation plate; and a cover detachably coupled to the radiation case.Type: GrantFiled: July 12, 2018Date of Patent: June 27, 2023Assignee: AMOGREENTECH CO.. LTD.Inventor: Seung Jae Hwang
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Patent number: 11476513Abstract: Provided is a heat-dissipating elastic body composition. The heat-dissipating elastic body composition according to an exemplary embodiment of the present invention includes an elastic matrix-forming component including a base resin and a vulcanizing agent, and a heat-dissipating filler. Accordingly, the heat-dissipating elastic body may protect a heating element from a physical stimulus such as a vibration or impact transmitted from the outside to a heat dissipater, and rapidly transduce and radiate heat generated in the heating element. In addition, the heat-dissipating elastic body may minimize vibrations caused by a physical stimulus applied from the outside and a noise thereby by minimizing a gap between a heating element and an exterior material, a heat dissipating element or the like, which is adjacent thereto/in close contact therewith.Type: GrantFiled: November 28, 2017Date of Patent: October 18, 2022Assignee: AMOGREENTECH CO., LTD.Inventors: Hwan Ku Lee, Seung Jae Hwang, Beom Jun Kim, Moon Young Hwang
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Patent number: 11420572Abstract: Provided is a power relay assembly. The power relay assembly comprises: a support plate having at least one electrical element mounted on one surface thereof and including a plastic material having a heat dissipation property and insulation property; at least one bus bar electrically connected to the electrical element; and an electromagnetic wave shielding unit for shielding electromagnetic waves generated from the electrical element.Type: GrantFiled: March 6, 2018Date of Patent: August 23, 2022Assignee: AMOGREENTECH CO., LTD.Inventors: Min-Ho Won, Seung Jae Hwang
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Patent number: 11322325Abstract: A power relay assembly is provided. A power relay assembly according to an exemplary embodiment of the present invention comprises: a support plate having at least one electric element mounted on one surface thereof and including a plastic material having heat dissipation and insulation properties; and at least one bus bar electrically connected to the electric element and partially embedded in the support plate. Due to these features, since heat generated from the bus bar and the electric element is dissipated to the outside through the support plate, it is possible to prevent performance deterioration due to heat and breakage of electronic components.Type: GrantFiled: December 14, 2017Date of Patent: May 3, 2022Assignee: Amogreentech Co., Ltd.Inventors: Min Ho Won, Seung Jae Hwang
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Publication number: 20220095486Abstract: A method of manufacturing a heat dissipation sheet including preparing a preliminary sheet including a matrix-forming component, a crosslinking agent, and a heat dissipation filler, and crosslinking the matrix-forming component included in the preliminary sheet and thus obtaining a heat dissipation sheet. The heat dissipation sheet manufactured has remarkably excellent heat dissipation properties because it contains a high content of heat dissipation filler. Due to the material properties of the matrix-forming component and the crosslinking of the matrix-forming component and the resulting matrix formation, the occurrence of cracking, shrinkage, pore formation, thickness change, and the like is minimized or prevented, and excellent flexibility can be attained. Moreover, since processability is improved through processes such as cooling when manufacturing the heat dissipation sheet, productivity is excellent, and the sheet can be suitable for mass production.Type: ApplicationFiled: January 3, 2020Publication date: March 24, 2022Applicant: AMOGREENTECH CO., LTD.Inventors: Seung Jae HWANG, Jin Hyoung LEE
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Patent number: 11276536Abstract: A power relay assembly is provided. A power relay assembly according to an exemplary embodiment of the present invention comprises: an upper case having at least one electric element mounted on one surface thereof; a lower case coupled to the upper case; and at least one bus bar electrically connected to the electric element, disposed between the upper case and the lower case, and including a bottom portion that is in surface contact with at least one of the upper case and the lower case, wherein at least one side of the bottom portion contacts a portion made of a plastic material having heat dissipation and insulation properties in the upper case and the lower case.Type: GrantFiled: December 15, 2017Date of Patent: March 15, 2022Assignee: AMOGREENTECH CO., LTD.Inventors: Min Ho Won, Seung Jae Hwang
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Patent number: 11258309Abstract: Provided is a wireless power transmission device. A wireless power transmission device includes: at least one antenna for wireless power transmission disposed on one side of a magnetic shielding sheet; a support plate having at least one receiving groove formed therein for receiving the antenna for wireless power transmission; and an antenna for wireless communication disposed along a side portion of the support plate.Type: GrantFiled: September 12, 2018Date of Patent: February 22, 2022Assignee: AMOSENSE CO., LTDInventor: Seung Jae Hwang
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Patent number: 11250986Abstract: A coil component having a magnetic core, a bobbin accommodating the magnetic core, and at least one pair of coils wound around the outer part of the bobbin. The bobbin is implemented as a heat radiating member comprising: a polymer matrix; and graphite-nano metal composites which are provided in a plurality, are dispersed on the polymer matrix, and have nano-metal particles bonded to the surface of graphite. Accordingly, the heat generated from a coil component due to an applied current can most quickly and efficiently be conducted and radiated outside, and thus degrading of common-mode-noise rejection function is prevented and a differential signal can substantially be passed without attenuation. In addition, in spite of the heat generated from the coil component or external physical and chemical stimulation, heat radiating properties can last for a long time.Type: GrantFiled: May 24, 2017Date of Patent: February 15, 2022Assignee: Amogreentech Co., Ltd.Inventors: Seung Jae Hwang, Moon Hoe Kim, Moon Young Hwang
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Publication number: 20220013836Abstract: A pouch type battery cartridge is provided. A pouch type battery cartridge according to an exemplary embodiment of the present invention comprises: a cartridge body having an accommodating space, of which both sides are opened, so as to accommodate at least one pouch type battery, and including a first guide member facing a side surface of the pouch type battery accommodated in the accommodation space; a heat dissipation plate coupled to the cartridge body so as to cover one opened side of the accommodating space; and a pair of busbars coupled to one side of the cartridge body so as to be connected to a terminal of the pouch type battery.Type: ApplicationFiled: November 22, 2019Publication date: January 13, 2022Applicant: AMOGREENTECH CO., LTD.Inventor: Seung Jae HWANG
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Patent number: 11177518Abstract: Provided is a heat dissipation cartridge, and a battery pack for an electric vehicle using the heat dissipation cartridge. The heat dissipation cartridge comprises a frame structure including a receiving through-hole formed in a central region so as to receive a pair of batteries and a seating part formed on a side wall of the receiving through-hole for seating the pair of batteries, wherein the frame structure is formed of heat-dissipating plastic and in which an aluminum frame is insert injection-molded.Type: GrantFiled: March 29, 2017Date of Patent: November 16, 2021Assignee: AMOGREENTECH CO., LTD.Inventor: Seung Jae Hwang
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Publication number: 20210284850Abstract: An insulating heat-radiating coating composition including a coating layer-forming component including a main resin; and an insulating heat-radiating filler, which not only is capable of exhibiting excellent heat-radiating performance due to excellent thermal conductivity and heat radiation but also forms an insulating heat-radiating coating layer having a heat-insulating property. In addition, an insulating heat-radiating coating layer formed using the insulating heat-radiating coating composition has excellent adhesiveness to a surface to be coated, thereby remarkably preventing the peeling of an insulating heat-radiating coating layer during use and maintaining the durability of the insulating heat-radiating coating layer against physical and chemical stimuli such as external heat, organic solvents, moisture, and impact after formation of the insulating heat-radiating coating layer.Type: ApplicationFiled: January 3, 2018Publication date: September 16, 2021Applicants: AMOSENSE CO.,LTD, AMOGREENTECH CO., LTD.Inventors: Hwan Ku LEE, Seung Jae HWANG, Beom Jun KIM, Moon Young HWANG
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Patent number: 11104108Abstract: A heat dissipating coating composition is provided. A heat dissipating coating composition according to an embodiment of the present disclosure includes a coating layer forming component including a main resin. The heat dissipating coating composition also includes a carbon-based filler including 8 to 72 parts by weight with respect to 100 parts by weight of the main resin and a physical property enhancing component for improving heat dissipating and adhering properties. Accordingly, a heat dissipating coating layer having excellent heat dissipating performance can be realized by having not only good heat conductivity but also good heat radiation.Type: GrantFiled: April 8, 2016Date of Patent: August 31, 2021Assignee: AMOGREENTECH CO., LTD.Inventors: Seung Jae Hwang, Moon Hoe Kim, Moon Young Hwang
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Patent number: 10998607Abstract: A heat dissipating sheet having an antenna function, and a portable terminal including the same are provided. The heat dissipating sheet, having an antenna function, according to one embodiment of the present disclosure comprises: an antenna part formed into an antenna pattern having a predetermined line width; and a heat dissipating part disposed on the same plane as the antenna part, and dissipating heat transferred from a heat source or distributing locally concentrated heat, wherein the antenna part and the heat dissipating part are directly attached to an inner surface of a rear case or a back cover of a portable terminal body through a medium of an adhesive member.Type: GrantFiled: July 8, 2016Date of Patent: May 4, 2021Assignee: AMOGREENTECH CO., LTD.Inventors: Seung Jae Hwang, Beom-Jin Kim, Min-Ho Won
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Patent number: 10931152Abstract: Disclosed is a method of manufacturing a magnetic field shielding sheet. The method of manufacturing a magnetic field shielding sheet formed as a plurality of divided pieces includes preparing a magnetic sheet formed of a magnetic material and having a first area and punching the magnetic sheet to form a shielding sheet using a mold such that the shielding sheet having a second area which is narrower than the first area is separated from the magnetic sheet, wherein the punching of the magnetic sheet to form the shielding sheet includes forming at least one linear slit in an inner region of the second area using the mold such that the shielding sheet is divided into a plurality of pieces while the shielding sheet is separated from the magnetic sheet to have the second area.Type: GrantFiled: December 19, 2018Date of Patent: February 23, 2021Assignee: AMOSENSE CO., LTD.Inventors: Seung Jae Hwang, Kil Jae Jang
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Patent number: 10912226Abstract: A wireless charging transmitter module may include a plurality of coil devices, a magnetic field shielding sheet to cover one side of the plurality of coil devices, and a heat dissipation plate to cover the magnetic shielding sheet, so that heat may be more efficiently dissipated through the heat dissipation plate.Type: GrantFiled: November 17, 2017Date of Patent: February 2, 2021Assignees: Hyundai Motor Company, Kia Motors Corporation, AMOTECH CO., LTD.Inventors: Kyoungchun Kweon, Hwi Chul Shin, Seung Jae Hwang, Jong Eun Kim
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Patent number: 10881029Abstract: Provided is a power relay assembly. A power relay assembly according to an exemplary embodiment of the present invention comprises: a support plate equipped with at least one electrical element on one surface thereof and comprising a plastic material having heat dissipation and insulation properties; and at least one bus bar which comprises a contact part which is electrically connected to the electrical element and directly contacts one surface of the support plate, wherein the contact part of the bus bar is fixed to one surface of the support plate.Type: GrantFiled: June 11, 2018Date of Patent: December 29, 2020Inventors: Min Ho Won, Seung Jae Hwang
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Patent number: 10840484Abstract: Provided are a heat-radiation module and a battery pack for an electric vehicle using the same. The heat-radiation module includes a vapor chamber contacting a heat generation device to uniformly collect heat generated from the heat generation device; a heat sink for diffusing and discharging the heat collected by the vapor chamber; and a heat exchanger for cooling the heat discharged from the heat sink.Type: GrantFiled: March 29, 2017Date of Patent: November 17, 2020Assignee: AMOGREENTECH CO., LTD.Inventor: Seung Jae Hwang
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Patent number: 10832849Abstract: A wireless power transmission device for a vehicle is provided. The wireless power transmission device according to an exemplary embodiment of the present invention comprises: a wireless power transmission module comprising at least one flat coil for transmitting wireless power and a magnetic field shielding sheet arranged on one surface of the flat coil; a heat radiating case for radiating heat generated by a heat source, with the wireless power transmission module being coupled to one side thereof and at least one circuit board for driving the wireless power transmission module being embedded therein; a heat radiating coating layer applied to the outer surface of the heat radiating case; and a cover detachably coupled to the heat-radiating case. The wireless power transmission device for the vehicle described above may be installed or embedded within a vehicle for using in charging the main battery of a portable terminal.Type: GrantFiled: May 18, 2017Date of Patent: November 10, 2020Assignee: Amogreentech Co., Ltd.Inventor: Seung Jae Hwang