Patents by Inventor Sang Hyun Bang
Sang Hyun Bang 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: 20240153831Abstract: An apparatus and method for measuring air currents on the surface of a substrate, which can accurately measure the magnitude and direction of air currents on the surface of a wafer with wafer-type air current measurement sensors, are provided. The apparatus includes: a first air current measurement module measuring a magnitude of air currents on a surface of a first substrate, which is processed in accordance with a semiconductor manufacturing process; a second air current measurement module measuring a movement direction of the air currents; and a power module supplying power to the first and second air current measurement modules, wherein the first air current measurement module, the second air current measurement module, and the power module are mounted on a second substrate, which has the same shape as the first substrate.Type: ApplicationFiled: October 19, 2023Publication date: May 9, 2024Inventors: Yong Jun SEO, Su Jin CHAE, Sang Hyun SON, Sang Min HA, Young Sik BANG, Jeong Mo HWANG, Dong Ok AHN
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Patent number: 11917871Abstract: A display device includes: a base layer including a display area (DA) and a non-DA; a circuit element layer on the base layer and including: a power supply electrode (PSE) overlapping the non-DA, circuit elements, and a shielding electrode connected to the PSE and overlapping some of the circuit elements; a display element layer on the circuit element layer and including: a light emitting element including a first electrode, a light emitting unit, and a second electrode, and a connection electrode connecting the second electrode to the PSE and including first through-holes; a thin film encapsulation layer (TFEL) on the display element layer and including an organic layer overlapping the DA; and an input sensing layer on the TFEL and including sensing electrodes and sensing signal lines connected to the sensing electrodes. The sensing signal lines overlap the connection electrode. Some of the first through-holes overlap the shielding electrode.Type: GrantFiled: February 17, 2023Date of Patent: February 27, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ki Ho Bang, Seong Ryong Lee, Sang Hyun Jun
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Patent number: 11781622Abstract: A chain tensioner transmits power of a crankshaft provided in an engine to peripheral auxiliary devices and guides a chain belt that transfers engine oil. The chain tensioner includes a body portion that tensions the chain belt through a pivot, the upper surface of the body portion includes an oil guiding rib that collects the engine oil scattered from the chain belt to the upper part, one surface of the body portion in contact with the upper surface includes a pivot journal, and one surface of the body portion includes a first oil flow path that guides the engine oil to flow down to the pivot journal.Type: GrantFiled: June 8, 2022Date of Patent: October 10, 2023Assignees: Hyundai Motor Company, Kia CorporationInventor: Sang Hyun Bang
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Publication number: 20220412452Abstract: A chain tensioner transmits power of a crankshaft provided in an engine to peripheral auxiliary devices and guides a chain belt that transfers engine oil. The chain tensioner includes a body portion that tensions the chain belt through a pivot, the upper surface of the body portion includes an oil guiding rib that collects the engine oil scattered from the chain belt to the upper part, one surface of the body portion in contact with the upper surface includes a pivot journal, and one surface of the body portion includes a first oil flow path that guides the engine oil to flow down to the pivot journal.Type: ApplicationFiled: June 8, 2022Publication date: December 29, 2022Applicants: Hyundai Motor Company, Kia CorporationInventor: Sang Hyun Bang
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Patent number: 10415438Abstract: An oil drain preventing device for a continuously variable valve timing apparatus includes: an advance angle oil passage connected to a continuously variable valve timing (CVVT) journal from an an oil control valve (OCV) groove to which an oil control valve (OCV) is mounted to supply an oil supplied from a hydraulic pump to a continuously variable valve timing (CVVT) apparatus; a retard angle oil passage connected to the CVVT journal from the OCV groove; and a valve unit mounted to the advance angle oil passage and the retard angle oil passage between the oil control valve and the CVVT journal for preventing the oil supplied to the continuously variable valve timing apparatus from being drained by selectively opening/closing the advance angle oil passage and the retard angle oil passage according to a starting ON or a starting OFF of the engine.Type: GrantFiled: December 7, 2017Date of Patent: September 17, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Sang Hyun Bang
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Publication number: 20190072008Abstract: An oil drain preventing device for a continuously variable valve timing apparatus includes: an advance angle oil passage connected to a continuously variable valve timing (CVVT) journal from an an oil control valve (OCV) groove to which an oil control valve (OCV) is mounted to supply an oil supplied from a hydraulic pump to a continuously variable valve timing (CVVT) apparatus; a retard angle oil passage connected to the CVVT journal from the OCV groove; and a valve unit mounted to the advance angle oil passage and the retard angle oil passage between the oil control valve and the CVVT journal for preventing the oil supplied to the continuously variable valve timing apparatus from being drained by selectively opening/closing the advance angle oil passage and the retard angle oil passage according to a starting ON or a starting OFF of the engine.Type: ApplicationFiled: December 7, 2017Publication date: March 7, 2019Inventor: Sang Hyun Bang
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Patent number: 8079333Abstract: A slide type continuous variable valve lift (CVVL) device includes a swing arm rotating to press a valve; a cam lobe; a roller transmitting a driving force of the cam lobe to the swing arm; and a guide guiding the roller to move along a predetermined path. The CVVL device generally can minimize the number of places where sliding friction between respective parts may occur to minimize power loss and enable more precise operation control, reduce the number of parts to enhance the overall robustness of the device, and advance the time of maximum valve opening to improve the fuel efficiency of an engine.Type: GrantFiled: December 22, 2008Date of Patent: December 20, 2011Assignee: Hyundai Motor CompanyInventors: Byoung Young Choi, Dong Heon Park, Sang Hyun Bang
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Patent number: 7793627Abstract: A variable valve lift apparatus includes a lift body that contacts a cam and a valve. The lift body has a first hole for receiving hydraulic pressure and a second hole for exhausting the hydraulic pressure. A spring is provided in the lift body. A hydraulic pressure supplying portion supplies the hydraulic pressure to the first hole, and a hydraulic pressure exhausting portion receives the hydraulic pressure from the second hole.Type: GrantFiled: December 28, 2007Date of Patent: September 14, 2010Assignee: Hyundai Motor CompanyInventor: Sang Hyun Bang
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Publication number: 20100018484Abstract: A slide type continuous variable valve lift (CVVL) device includes a swing arm rotating to press a valve; a cam lobe; a roller transmitting a driving force of the cam lobe to the swing arm; and a guide guiding the roller to move along a predetermined path. The CVVL device generally can minimize the number of places where sliding friction between respective parts may occur to minimize power loss and enable more precise operation control, reduce the number of parts to enhance the overall robustness of the device, and advance the time of maximum valve opening to improve the fuel efficiency of an engine.Type: ApplicationFiled: December 22, 2008Publication date: January 28, 2010Applicant: HYUNDAI MOTOR COMPANYInventors: Byoung Young CHOI, Dong Heon Park, Sang Hyun Bang
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Publication number: 20090126661Abstract: A variable valve lift apparatus includes a lift body that contacts a cam and a valve. The lift body has a first hole for receiving hydraulic pressure and a second hole for exhausting the hydraulic pressure. A spring is provided in the lift body. A hydraulic pressure supplying portion supplies the hydraulic pressure to the first hole, and a hydraulic pressure exhausting portion receives the hydraulic pressure from the second hole.Type: ApplicationFiled: December 28, 2007Publication date: May 21, 2009Inventor: Sang Hyun Bang