Patents by Inventor Sun-Ho Lee
Sun-Ho Lee 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: 20200384573Abstract: A GDL cutting system of a fuel cell includes: a laser-cutting device that forms a gas diffusion layer by radiating a laser on the surface of a GDL fabric panel moving on a conveyer; an adsorbing-conveying device that adsorbs and conveys at least two gas diffusion layers cut by the laser-cutting device; a first vision sensor that senses an upper side of the gas diffusion layers cut by the laser-cutting device; and a second vision sensor that senses a lower side of the gas diffusion layers adsorbed and conveyed by the adsorbing-conveying device.Type: ApplicationFiled: August 24, 2020Publication date: December 10, 2020Inventors: Sunha HWANG, Sun Ho LEE
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Patent number: 10786867Abstract: A GDL cutting system of a fuel cell includes: a laser-cutting device that forms a gas diffusion layer by radiating a laser on the surface of a GDL fabric panel moving on a conveyer; an adsorbing-conveying device that adsorbs and conveys at least two gas diffusion layers cut by the laser-cutting device; a first vision sensor that senses an upper side of the gas diffusion layers cut by the laser-cutting device; and a second vision sensor that senses a lower side of the gas diffusion layers adsorbed and conveyed by the adsorbing-conveying device.Type: GrantFiled: September 8, 2016Date of Patent: September 29, 2020Assignee: KIA MOTORS CORPORATIONInventors: Sunha Hwang, Sun Ho Lee
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Publication number: 20200266459Abstract: A method of setting a cutting time of a gasket during manufacture of a membrane electrode assembly (MEA) is provided. The method includes: moving a reaction sheet, in which electrode layers are formed on an electrolyte membrane with a predetermined interval; photographing a boundary area between the electrolyte membrane and the electrode layer in the moving reaction sheet by using a fixed vision; setting a front end reference line and a rear end reference line between a front-most end and a rear-most end in the boundary area; calculating a trigger reference line between the front end reference line and the rear end reference line, except for a front portion of the front end reference line and a rear portion of the rear end reference line; and calculating a cutting time of a gasket based on the trigger reference line.Type: ApplicationFiled: May 7, 2020Publication date: August 20, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sun Ho LEE, Sunha HWANG
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Patent number: 10741862Abstract: A device for manufacturing a fuel cell component is provided. The device includes a movement device configured to load a gas diffusion layer from a magazine when the gas diffusion layer is loaded to an inlet of a conveyor and unload the gas diffusion layer from an outlet side of the conveyor. An adhesive layer forming device that is disposed over the conveyor forms an adhesive layer in an edge region of the gas diffusion layer. A drying device is configured to dry the adhesive layer formed in the gas diffusion layer. An inspection vision is configured to detect an image of the gas diffusion layer that the adhesive layer is formed. Additionally, a controller operates the movement device, the adhesive layer forming device, and the drying device and configured to use the image to determine a shape of the adhesive layer formed in the gas diffusion layer.Type: GrantFiled: April 9, 2019Date of Patent: August 11, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Young Gun Kim, Sun Ho Lee
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Patent number: 10686201Abstract: A method of setting a cutting time of a gasket during manufacture of a membrane electrode assembly (MEA) is provided. The method includes: moving a reaction sheet, in which electrode layers are formed on an electrolyte membrane with a predetermined interval; photographing a boundary area between the electrolyte membrane and the electrode layer in the moving reaction sheet by using a fixed vision; setting a front end reference line and a rear end reference line between a front-most end and a rear-most end in the boundary area; calculating a trigger reference line between the front end reference line and the rear end reference line, except for a front portion of the front end reference line and a rear portion of the rear end reference line; and calculating a cutting time of a gasket based on the trigger reference line.Type: GrantFiled: November 29, 2017Date of Patent: June 16, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sun Ho Lee, Sunha Hwang
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Publication number: 20200166808Abstract: An optical member includes a first film; a second film disposed to face the first film in a thickness direction; and a plurality of wavelength conversion members disposed between the first and second films and arranged in a direction perpendicular to the thickness direction, where each of the wavelength conversion members has flat surfaces. Flat surfaces of at least two of the wavelength conversion members are not parallel to each other.Type: ApplicationFiled: November 22, 2019Publication date: May 28, 2020Inventors: Sun Ho LEE, Hyun Jin MAENG
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Patent number: 10515385Abstract: Disclosed are a stamper, a terminal and an operation method thereof. The stamper includes: a transmission part configured to transmit a beacon signal related to stamp saving to a terminal; a contact tip contacting the terminal; and a control part configured to include a bit value in the beacon signal, wherein the bit value is generated to indicate contact of the contact tip with the terminal.Type: GrantFiled: November 11, 2016Date of Patent: December 24, 2019Assignee: SK TELECOM CO., LTD.Inventors: Sun Ho Lee, Soo Woong Woo, Jae Hun Choi, Yang Hoon Shin
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Patent number: 10511595Abstract: Disclosed are a stamper, a terminal and an operation method thereof. In performing stamp saving related to a store for a user by utilizing an electronic stamp and an application installed in the terminal, by limiting an irradiation angle of a beacon signal irradiated from the stamper and additionally applying authentication information, it is possible to prevent malicious and illegal use of stamps.Type: GrantFiled: November 15, 2016Date of Patent: December 17, 2019Assignee: SK TELECOM CO., LTD.Inventors: Sun Ho Lee, Soo Woong Woo, Jae Hun Choi
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Patent number: 10418642Abstract: A device for bonding fuel cell parts may include a die, which forms vacuum suction holes, a lower hot press, respectively installed on both edges of a lower die to be movable in a vertical direction an upper die, installed to be movable in a vertical direction from the upper side of the lower die, a vacuum attachment member, which constitutes the same plane with the lower surface of the upper die, forms vacuum suction holes on the lower surface, and is installed on the upper die to be movable in a vertical direction while corresponding to the upper surface of the lower die between the lower hot press, and an upper hot press, respectively installed between both edges of the upper die to be movable in a vertical direction while corresponding to the lower hot press and constituting the same plane with the lower surface of the upper die.Type: GrantFiled: July 18, 2017Date of Patent: September 17, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Young Gun Kim, Sun Ho Lee
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Publication number: 20190267654Abstract: A device for manufacturing a fuel cell component is provided. The device includes a movement device configured to load a gas diffusion layer from a magazine when the gas diffusion layer is loaded to an inlet of a conveyor and unload the gas diffusion layer from an outlet side of the conveyor. An adhesive layer forming device that is disposed over the conveyor forms an adhesive layer in an edge region of the gas diffusion layer. A drying device is configured to dry the adhesive layer formed in the gas diffusion layer. An inspection vision is configured to detect an image of the gas diffusion layer that the adhesive layer is formed. Additionally, a controller operates the movement device, the adhesive layer forming device, and the drying device and configured to use the image to determine a shape of the adhesive layer formed in the gas diffusion layer.Type: ApplicationFiled: April 9, 2019Publication date: August 29, 2019Inventors: Young Gun Kim, Sun Ho Lee
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Publication number: 20190267656Abstract: A manufacturing device of a fuel cell component includes an MEA unwinder on which a fabric panel is rolled. An MEA including an electrolyte membrane and an electrode is disposed on a protective film. The manufacturing device further includes a first hot roller disposed to press an upper sub-gasket supplied to a surface of an edge of the MEA from an upper sub-gasket unwinder, a protective film winder disposed behind the first hot roller and disposed to separate the protective film from the fabric panel, a second hot roller disposed to press the lower sub-gasket supplied to another surface of the edge of the MEA from the lower sub-gasket unwinder, and an MEA winder winding the MEA to which the upper sub-gasket and the lower sub-gasket are attached, in a roll shape.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventor: Sun Ho Lee
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Patent number: 10371975Abstract: A backlight unit includes a light guide plate including a first incident surface; a light source module including a first sub-light source module overlapping the first incident surface of the light guide plate in a first direction, where the first sub-light source module provides light to the first incident surface; and a distance adjusting member including a first sub-distance adjusting member overlapping the first incident surface of the light guide plate in the first direction and disposed at a first side of the first sub-light source module and a second sub-distance adjusting member disposed at a second side of the first sub-light source module, which is opposite to the first side of the first sub-light source module. The first sub-distance adjusting member and the second sub-distance adjusting member may move the light guide plate in the first direction.Type: GrantFiled: November 7, 2017Date of Patent: August 6, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun Ho Lee, Hyun Chul Jeong, Yoon Ki Hong
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Patent number: 10333165Abstract: A system for adsorbing a thin film sheet includes a main frame and first and second auxiliary frames connected to respective ends of the main frame. At least one of the first and second auxiliary frames is movably connected to the main frame to increase or decrease a distance between the first and second auxiliary frames. Adsorbing parts are disposed under the first and second auxiliary frames, respectively, to draw or inject air and to adsorb both sides of the thin film sheet. A tension adjusting part adjusts a location of the at least one of the first and second auxiliary frames to adjust a tension applied to the thin film sheet.Type: GrantFiled: October 18, 2018Date of Patent: June 25, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Sun Ho Lee
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Patent number: 10320022Abstract: A manufacturing device of a fuel cell component includes an MEA unwinder on which a fabric panel is rolled. An MEA including an electrolyte membrane and an electrode is disposed on a protective film. The manufacturing device further includes a first hot roller disposed to press an upper sub-gasket supplied to a surface of an edge of the MEA from an upper sub-gasket unwinder, a protective film winder disposed behind the first hot roller and disposed to separate the protective film from the fabric panel, a second hot roller disposed to press the lower sub-gasket supplied to another surface of the edge of the MEA from the lower sub-gasket unwinder, and an MEA winder winding the MEA to which the upper sub-gasket and the lower sub-gasket are attached, in a roll shape.Type: GrantFiled: November 30, 2016Date of Patent: June 11, 2019Assignee: Hyundai Motor CompanyInventor: Sun Ho Lee
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Publication number: 20190051918Abstract: A system for adsorbing a thin film sheet includes a main frame and first and second auxiliary frames connected to respective ends of the main frame. At least one of the first and second auxiliary frames is movably connected to the main frame to increase or decrease a distance between the first and second auxiliary frames. Adsorbing parts are disposed under the first and second auxiliary frames, respectively, to draw or inject air and to adsorb both sides of the thin film sheet. A tension adjusting part adjusts a location of the at least one of the first and second auxiliary frames to adjust a tension applied to the thin film sheet.Type: ApplicationFiled: October 18, 2018Publication date: February 14, 2019Inventor: Sun Ho LEE
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Patent number: 10135083Abstract: A system for adsorbing a thin film sheet includes a main frame and first and second auxiliary frames connected to respective ends of the main frame. At least one of the first and second auxiliary frames is movably connected to the main frame to increase or decrease a distance between the first and second auxiliary frames. Adsorbing parts are disposed under the first and second auxiliary frames, respectively, to draw or inject air and to adsorb both sides of the thin film sheet. A tension adjusting part adjusts a location of the at least one of the first and second auxiliary frames to adjust a tension applied to the thin film sheet.Type: GrantFiled: October 28, 2015Date of Patent: November 20, 2018Assignee: HYUNDAI MOTOR COMPANYInventor: Sun Ho Lee
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Publication number: 20180166701Abstract: A device for bonding fuel cell parts may include a die, which forms vacuum suction holes, a lower hot press, respectively installed on both edges of a lower die to be movable in a vertical direction an upper die, installed to be movable in a vertical direction from the upper side of the lower die, a vacuum attachment member, which constitutes the same plane with the lower surface of the upper die, forms vacuum suction holes on the lower surface, and is installed on the upper die to be movable in a vertical direction while corresponding to the upper surface of the lower die between the lower hot press, and an upper hot press, respectively installed between both edges of the upper die to be movable in a vertical direction while corresponding to the lower hot press and constituting the same plane with the lower surface of the upper die.Type: ApplicationFiled: July 18, 2017Publication date: June 14, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Young Gun KIM, Sun Ho Lee
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Publication number: 20180166709Abstract: A method of setting a cutting time of a gasket during manufacture of a membrane electrode assembly (MEA) is provided. The method includes: moving a reaction sheet, in which electrode layers are formed on an electrolyte membrane with a predetermined interval; photographing a boundary area between the electrolyte membrane and the electrode layer in the moving reaction sheet by using a fixed vision; setting a front end reference line and a rear end reference line between a front-most end and a rear-most end in the boundary area; calculating a trigger reference line between the front end reference line and the rear end reference line, except for a front portion of the front end reference line and a rear portion of the rear end reference line; and calculating a cutting time of a gasket based on the trigger reference line.Type: ApplicationFiled: November 29, 2017Publication date: June 14, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sun Ho LEE, Sunha HWANG
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Publication number: 20180129095Abstract: A backlight unit includes a light guide plate including a first incident surface; a light source module including a first sub-light source module overlapping the first incident surface of the light guide plate in a first direction, where the first sub-light source module provides light to the first incident surface; and a distance adjusting member including a first sub-distance adjusting member overlapping the first incident surface of the light guide plate in the first direction and disposed at a first side of the first sub-light source module and a second sub-distance adjusting member disposed at a second side of the first sub-light source module, which is opposite to the first side of the first sub-light source module. The first sub-distance adjusting member and the second sub-distance adjusting member may move the light guide plate in the first direction.Type: ApplicationFiled: November 7, 2017Publication date: May 10, 2018Inventors: Sun Ho LEE, Hyun Chul JEONG, Yoon Ki HONG
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Publication number: 20180076470Abstract: An apparatus for manufacturing a membrane-electrode assembly for a fuel cell is provided. The apparatus includes a sub-gasket feeding unit that forms first electrode windows, unrolls a first sub-gasket sheet, and supplies the sheet to a transfer line. An electrode membrane loading unit installed over the transfer line forms electrode catalyst layers on both faces of an electrolyte membrane, collects the electrode membrane sheet cut, and loads the sheets onto first electrode windows. A sub-gasket loading unit installed over the transfer line forms second electrode windows, collects a second sub-gasket sheet, and loads the sheets on the electrode membrane sheet. MEA bonding units installed on the transfer line bond the first sub-gasket sheet, the electrode membrane sheet, and the second sub-gasket sheet mutually stacked while passing the first sub-gasket sheet, the electrode membrane sheet, and the second sub-gasket sheet between a pair of hot rollers along the transfer line.Type: ApplicationFiled: November 20, 2017Publication date: March 15, 2018Inventor: Sun Ho Lee