Patents by Inventor Young-Hwan Cho
Young-Hwan Cho 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: 11984233Abstract: A method for decommissioning a heavy water reactor facility includes: removing the plurality of guide tubes from a plurality of through-holes; installing a plurality of shielding stoppers in the plurality of through-holes; removing the shielding stopper installed in one through-hole of the plurality of through-holes, and inserting a cutting device into a lower portion of the reactivity mechanism deck through the one through-hole to cut a connection portion between the reactivity mechanism deck and the calandria vault by using the cutting device; and separating the reactivity mechanism deck from the calandria vault.Type: GrantFiled: July 3, 2019Date of Patent: May 14, 2024Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Seok-Ju Hwang, Young Hwan Hwang, Hang-Rae Cho, Cheon-Woo Kim
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Publication number: 20240145790Abstract: A button-type secondary battery includes a lower can having a bottom surface; an upper can having a top, the upper can and the lower can being coupled to define a space therein; an electrolyte in the space; an electrode assembly in the space and including a negative electrode, a separator, and a positive electrode wound together; a gasket between the upper can and the lower can to electrically insulate the upper and lower cans; a top insulator that is electrically insulating and covering a top surface of the electrode assembly; and a bottom insulator that is electrically insulating and covering a bottom surface of the electrode assembly. The top and bottom insulators are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one of the top insulator and the bottom insulator are coated with a protective layer to prevent thermal shrinkage from occurring.Type: ApplicationFiled: October 14, 2022Publication date: May 2, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Yeong Hun JUNG, Young Ji TAE, Joo Hwan SUNG, Min Su CHO, Geun Young PARK, Min Gyu KIM, Min Seon KIM, Sang Hak CHAE, Min Young JU
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Publication number: 20240131943Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.Type: ApplicationFiled: February 6, 2023Publication date: April 25, 2024Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240128554Abstract: A button type secondary battery includes a wound electrode assembly; a lower can with the electrode assembly and an electrolyte in the lower can; a top plate to close the lower can; a positive electrode terminal coupled to the top plate through a gasket to be electrically insulated from the top plate with a portion of the positive electrode terminal passing through a hole in the top plate to be bonded to a positive electrode tab; a top insulator covering a top surface of the electrode assembly; and a bottom insulator covering a bottom surface of the electrode assembly. The top insulator and the bottom insulator are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one or more of the top insulator and the bottom insulator are coated with a protective layer configured to prevent thermal shrinkage from occurring.Type: ApplicationFiled: October 14, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Yeong Hun JUNG, Young Ji TAE, Joo Hwan SUNG, Min Su CHO, Geun Young PARK, Min Gyu KIM, Min Seon KIM, Sang Hak CHAE, Min Young JU
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Publication number: 20240123851Abstract: A electric vehicle cable mounting system includes a driving unit including a rotary disc and allowing a charging cable to be released from a side in accordance with a rotation motion of a rotary disc, a guide unit provided behind the driving unit and allowing the driving unit to move in a vertical direction in accordance with a rotation motion of the rotary disc, and a controller controlling the driving unit and the guide unit such that the charging cable is automatically released in an electric vehicle charge mode and is automatically returned in an electric vehicle charge standby mode.Type: ApplicationFiled: March 6, 2023Publication date: April 18, 2024Inventors: Woo Hyung Lee, Seung Tack Hong, Ho Choi, Young Tae Choi, Hyun Gu Lee, Su Hwan Cho
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Patent number: 11963439Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.Type: GrantFiled: August 24, 2022Date of Patent: April 16, 2024Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
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Patent number: 11936409Abstract: A transmitter and a receiver are provided. The transmitter includes a processing unit configured to receive a clock signal and a data signal, set a value of a consecutive identical digit (CID) value related to the data signal and generate a modulation signal during a unit interval (UI) based on the data signal and the CID value, and a transmitter driver configured to output output signals having different voltage levels during the unit interval by receiving the modulation signal.Type: GrantFiled: March 1, 2022Date of Patent: March 19, 2024Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business FoundationInventors: Chulwoo Kim, Jonghyuck Choi, Seungwoo Park, Hyun Woo Cho, Tae-Jin Kim, Jae Suk Yu, Kil Hoon Lee, Young Hwan Chang
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Patent number: 11925920Abstract: The present invention relates to a catalyst for hydrogenation of an aromatic compound, which is capable of greatly reducing the inactivation of a catalyst by using a support including a magnesium-based spinel structure, and a preparation method therefor.Type: GrantFiled: October 16, 2018Date of Patent: March 12, 2024Assignee: HANWHA CHEMICAL CORPORATIONInventors: Eung Gyu Kim, Won Yong Kim, Jeong Hwan Chun, Young Jin Cho, Joung Woo Han, Hyo Suk Kim, Wan Jae Myeong, Ki Taeg Jung
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Publication number: 20240067521Abstract: This invention relates to a method for producing chlorine in a high yield through a hydrogen chloride oxidation reaction and more specifically, this invention is characterized in that chlorine is produced in a high yield by subjecting hydrogen chloride to an oxidation reaction in a mixed gas containing carbon oxide.Type: ApplicationFiled: December 27, 2021Publication date: February 29, 2024Inventors: Jeong Hwan CHUN, Young Jin CHO, Seong Ho YUN
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Patent number: 11912916Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having lower operating voltage, higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.Type: GrantFiled: July 1, 2019Date of Patent: February 27, 2024Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Hyun Kim, Ji-Song Jun, Jeong-Hwan Jeon, Yeon-Gun Lee, Seon-Jin Hwang, Young-Jun Cho
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Patent number: 11916123Abstract: An integrated circuit device includes a substrate having source and drain recesses therein that are lined with respective silicon-germanium liners and filled with doped semiconductor source and drain regions. A stacked plurality of semiconductor channel layers are provided, which are separated vertically from each other within the substrate by corresponding buried insulated gate electrode regions that extend laterally between the silicon-germanium liners. An insulated gate electrode is provided on an uppermost one of the plurality of semiconductor channel layers. The silicon-germanium liners may be doped with carbon.Type: GrantFiled: July 22, 2021Date of Patent: February 27, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Young Dae Cho, Ki Hwan Kim, Sung Uk Jang, Su Jin Jung
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Patent number: 10514835Abstract: The present disclosure relates to a method of shifting content on a display of an electronic device. In one embodiment, the method includes displaying the content, setting a first coordinate value for a touch as a reference point, setting at least one shift direction determination area based on the reference point, identifying a second coordinate value for the touch, setting the direction in which the content is to be shifted based on the shift direction determination area and the second coordinate value, and shifting the content in the set shift direction. Other embodiments are possible.Type: GrantFiled: July 27, 2016Date of Patent: December 24, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Junbong Eom, Young-Hwan Cho
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Publication number: 20170031569Abstract: The present disclosure relates to a method of shifting content on a display of an electronic device. In one embodiment, the method includes displaying the content, setting a first coordinate value for a touch as a reference point, setting at least one shift direction determination area based on the reference point, identifying a second coordinate value for the touch, setting the direction in which the content is to be shifted based on the shift direction determination area and the second coordinate value, and shifting the content in the set shift direction. Other embodiments are possible.Type: ApplicationFiled: July 27, 2016Publication date: February 2, 2017Inventors: Junbong Eom, Young-Hwan Cho
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Publication number: 20150050816Abstract: A method of preparing a silicon thin film, silicon thin film prepared using the method, and an electronic device including the silicon thin film are provided. The method includes applying an oxidized silicon element solution to a substrate and sintering the silicon oxide film to prepare a compact silicon oxide thin film, electrochemically reducing the silicon oxide thin film to form a porous silicon film, and re-sintering the porous silicon film. Therefore, the silicon thin film used in semiconductors, solar cells, secondary batteries and the like can be easily prepared at a low cost with a smaller number of processes than the conventional methods, and thus price competitiveness of products can be enhanced.Type: ApplicationFiled: August 19, 2014Publication date: February 19, 2015Inventors: Sang Eun Bae, Jong-Yun Kim, Jei-Won Yeon, Tae-Hong Park, Kyuseok Song, Dae Hyeon Kim, Young Hwan Cho, Yong Joon Park, Yeong-Keong Ha
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Patent number: 8493561Abstract: A device for on-site measurement of concentration of uranium in high temperature molten salts is provided. More particularly, this device can be directly applied to a pyroprocess for reusing spent nuclear fuel and determine concentration of uranium 3+ and 4+ chemical species using ultraviolet-visible light absorption spectrometry. The device includes first and second optical waveguides submerged in molten salts including uranium through a port formed at an upper side of a pyrochemical process apparatus; a lengthwise driver installed at the port to be operated to adjust a distance between the optical waveguides; a light source for supplying light to the second optical waveguide as any one of the optical waveguides; and a spectrometer connected to the first optical waveguide as the other one of the optical waveguides to analyze the light emitted from the second optical waveguide and introduced through the first optical waveguide via the molten salts.Type: GrantFiled: December 23, 2010Date of Patent: July 23, 2013Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Yong Joon Park, Sang Eun Bae, Young-Hwan Cho, Kyuseok Song
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Publication number: 20120026495Abstract: A device for on-site measurement of concentration of uranium in high temperature molten salts is provided. More particularly, to a device for on-site measurement of concentration of uranium in high temperature molten salts that can be directly applied to a pyroprocess for reusing spent nuclear fuel and determine concentration of uranium 3+ and 4+ chemical species using ultraviolet-visible light absorption spectrometry.Type: ApplicationFiled: December 23, 2010Publication date: February 2, 2012Applicants: KOREA HYDRO & NUCLEAR POWER CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Yong Joon Park, Sang Eun Bae, Young-Hwan Cho, Kyuseok Song
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Patent number: 7390392Abstract: Disclosed is a method of in-situ monitoring a reduction process of uranium oxides by lithium metal, wherein a conversion yield of uranium metal from uranium oxides upon production of uranium metal through a reaction of uranium oxides (UOx, x?3) with lithium metal in the presence of a high-temperature molten salt is measured according to an electrochemical analysis based on an oxidation of an oxygen ion and a reduction of a lithium ion dissociated from lithium oxide obtained as a by-product of the reaction, by use of a measuring device composed of a potentiostat/galvanostat and a reactor provided with an anode and a cathode. The in-situ monitoring method of the current invention is advantageous in terms of fast and simplified measuring techniques, by directly measuring the reduction process of uranium oxides at the anode and cathode connected to the potentiostat/galvanostat in the presence of the high-temperature molten salt.Type: GrantFiled: June 7, 2004Date of Patent: June 24, 2008Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: In-Kyu Choi, Young-Hwan Cho, Jei-Won Yeon, Won-ho Kim, Taek-Jin Kim
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Publication number: 20060285052Abstract: The present invention relates to a liquid crystal display. The relation of ? (permittivity)ยท? (resistivity) between a liquid crystal layer, an aligning layer or an overcoat for preventing poor images is established. An LCD according to the present invention includes a first panel including a plurality of devices thereon and an aligning layer formed on the entire surface thereof, a second panel opposite to the first panel and including an overcoat and an aligning layer sequentially formed on the entire surface thereof, and a liquid crystal layer interposed between the first panel and the second panel. It is preferable that the aligning layer, the liquid crystal layer and the overcoat satisfy the relation ?? lc + al ?? oc ? 10 2 .Type: ApplicationFiled: June 2, 2006Publication date: December 21, 2006Inventors: Cheol-Soo Jung, Keon-Kook Han, Young-Kuil Joo, Ji-Yong Ko, Young-Hwan Cho, Kyoung-Woo Min
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Publication number: 20060017874Abstract: The present invention relates to a liquid crystal display. The relation of ? (permittivity) .sg(r) (resistivity) between a liquid crystal layer, an aligning layer or an overcoat for preventing poor images is established. An LCD according to the present invention includes a first panel including a plurality of devices thereon and an aligning layer formed on the entire surface thereof, a second panel opposite to the first panel and including an overcoat and an aligning layer sequentially formed on the entire surface thereof, and a liquid crystal layer interposed between the first panel and the second panel. It is preferable that the aligning layer, the liquid crystal layer and the overcoat satisfy the relation (a).Type: ApplicationFiled: July 14, 2005Publication date: January 26, 2006Inventors: Cheol-Soo Jung, Keon-Kook Han, Young-Kuil Joo, Ji-Yong Ko, Young-Hwan Cho, Kyoung-Woo Min
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Patent number: 6927827Abstract: The present invention relates to a liquid crystal display. The relation of ? (permittivity). sg(r) (resistivity) between a liquid crystal layer, an aligning layer or an overcoat for preventing poor images is established. An LCD according to the present invention includes a first panel including a plurality of devices thereon and an aligning layer formed on the entire surface thereof, a second panel opposite to the first panel and including an overcoat and an aligning layer sequentially formed on the entire surface thereof, and a liquid crystal layer interposed between the first pane) and the second panel. It is preferable that the aligning layer, the liquid crystal layer and the overcoat satisfy the relation (a).Type: GrantFiled: August 6, 2002Date of Patent: August 9, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol-Soo Jung, Keon-Kook Han, Young-Kuil Joo, Ji-Young Ko, Young-Hwan Cho, Kyoung-Woo Min