Patents by Inventor Yong-Seok Choi
Yong-Seok Choi 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: 20240079721Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
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Patent number: 11923562Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.Type: GrantFiled: November 1, 2022Date of Patent: March 5, 2024Assignee: LG Energy Solution, Ltd.Inventors: Sung-Won Seo, Dong Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
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Patent number: 11923523Abstract: A battery module for improving heat balance of a cell assembly provided in the battery module includes a cell assembly having at least three battery cells stacked along a stacking axis such that at least one battery cell located at an interior position within the cell assembly along the stacking axis has a greater thickness along the stacking axis than a battery cell located at an outer side of the cell assembly. A module housing includes at least one sidewall and is configured to accommodate the cell assembly in an inner space defined by the sidewall.Type: GrantFiled: February 19, 2019Date of Patent: March 5, 2024Assignee: LG Energy Solution, Ltd.Inventors: Jee-Soon Choi, Jin-Hak Kong, Yong-Seok Choi
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Patent number: 11870094Abstract: A battery module has a reduced risk of secondary fire or explosion. The battery module includes at least two cell assemblies including a plurality of secondary batteries, a module housing having a gas passage on at least one of left side or right side of the cell assembly for circulation of gas generated from the cell assembly, and a flame retardant plate including a body interposed between the at least two cell assemblies, and a flame barrier extending in a left-right direction from at least one of left end or right end of the body and disposed in part of the gas passage.Type: GrantFiled: June 23, 2020Date of Patent: January 9, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Eun-Gyu Shin, Jeong-O Mun, Jae-Min Yoo, Yoon-Koo Lee, Yong-Seok Choi, Jee-Soon Choi
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Publication number: 20230420764Abstract: An all-solid-state battery system is disclosed, the system comprising an all-solid-state battery comprising a plurality of cells arranged in a closed inner space of a pressurization chamber and a pressurizing fluid filled in the closed inner space of the pressurization chamber, a state detector configured to detect state information of the all-solid-state battery, a controller configured to output a control signal configured for controlling a pressure applied to the plurality of cells by the pressurizing fluid in the inner space of the pressurization chamber based on the state information of the all-solid-state battery detected by the state detector, and a pressurizing device configured to control the pressure applied to the plurality of cells by the pressurizing fluid according to the control signal outputted by the controller.Type: ApplicationFiled: November 28, 2022Publication date: December 28, 2023Inventors: Min Sun Kim, Yong Guk Gwon, Ga Young Choi, Yong Seok Choi, Jae Ho Shin
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Publication number: 20230395015Abstract: A display may have a display panel with an array of pixels formed from light-emitting diodes. Optical films that help collimate and homogenize light from the light-emitting diode pixels may overlap the light-emitting diodes. A transparent cover may overlap the display. The transparent cover may have an outer surface and an opposing inner surface, which may have areas of compound surface curvature. Louvers that serve to reduce off-axis solar light reflections while allowing light from the display panel to be emitted may be formed from molded polymer supported by a transparent cover layer in the cover. A diffuser may be formed by embedding light-scattering particles in a polymer layer covering the louvers and/or by forming light-scattering surface structures such as ridges and/or other texture on the surface of the polymer layer. Electrically adjustable light modulator layers and electrically adjustable louvers may be used in the display.Type: ApplicationFiled: March 30, 2023Publication date: December 7, 2023Inventors: Clarisse Mazuir, Brian P Graves, Yong Seok Choi, Xiaofeng Tang, Syed Tauseen Aqeel Shah, Tao Zhan, Rong Liu, Yu P Sun
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Publication number: 20230395839Abstract: An all-solid-state battery, in which a cathode part and an anode part are coupled in a state of being folded in a zigzag form, is disclosed. The cathode part has a shape folded in a zigzag form such that the cathode part is divided into unit areas each corresponding to an area of a unit cathode. The anode part has a shape folded in a zigzag form such that the anode part is divided into unit areas each corresponding to an area of a unit anode. A protrusion portion of the cathode part may be inserted into a recessed portion of the anode part, and a protrusion portion of the anode part may be inserted into a recessed portion of the cathode part.Type: ApplicationFiled: December 13, 2022Publication date: December 7, 2023Inventors: Yong Seok Choi, Yong Guk Gwon, Jae Ho Shin, Ga Young Choi, Ju Min Kim, Min Sun Kim
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Publication number: 20230378405Abstract: A system may have an external display that presents content to viewers outside of the system. The external display may have a display panel with an array of pixels formed from light-emitting diodes. Optical films that help collimate and homogenize light from the light-emitting diode pixels may overlap the light-emitting diodes. A transparent cover may overlap the display. The transparent cover may have an outer surface and an opposing inner surface. The outer surface and inner surface may be planar or may have a curved cross-sectional profile. An optical louver layer or other solar rejection layer may be interposed between the inner surface of the transparent cover and the display panel. The louver layer may have a series of elongated parallel louvers formed from an opaque polymer or other material. The louvers may be configured to block sunlight reflections while allowing images on the display panel to be viewed.Type: ApplicationFiled: March 10, 2023Publication date: November 23, 2023Inventors: Yu P Sun, Jun Qi, Rong Liu, Ziruo Hong, Victor H Yin, Tao Zhan, Yong Seok Choi
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Publication number: 20230352723Abstract: A system and a method for estimating pressure distribution of a battery cell evaluate distribution of pressure applied to the battery cell due to applied loads during the pressure test of the battery cell. The method includes disposing the battery cell in a pressing apparatus and pressing the battery cell, measuring strains by strain sensors provided in the pressing apparatus, and estimating a pressure distribution applied to the battery cell based on the strains.Type: ApplicationFiled: December 12, 2022Publication date: November 2, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Yong Seok Choi, Soon Chul Byun, Byeng Dong Youn, Won Gon Kim, Hwa Yong Jeong
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Patent number: 11792728Abstract: A method and an apparatus for selecting a core network in a mobile communication system are disclosed. According to some aspects of the present disclosure, a method and apparatus are provided for selecting a core network which is appropriate to the type of user's subscribed service in a mobile communication system, without the need for re-routing.Type: GrantFiled: January 26, 2022Date of Patent: October 17, 2023Assignee: SK TELECOM CO., LTD.Inventors: Sangsoo Jeong, Jonghan Park, Yong-seok Choi
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Publication number: 20230293378Abstract: A wearable suit configured to assist muscular strength of a user, the wearable suit comprising: a body unit; a fixing unit configured to fix the body unit to an upper body of the user; an arm coupling unit coupled to at least a portion of an arm of the user; and an arm connecting unit configured to connect the body unit and the arm coupling unit to each other. The body unit comprises a housing defining an accommodating space therein; and a muscular strength assistance unit disposed inside the housing and comprising at least a portion comprised of a shape memory alloy material.Type: ApplicationFiled: April 29, 2022Publication date: September 21, 2023Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Young Min KIM, Yong Seok CHOI, Soong Do LEE, Lae Hoon JEONG
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Publication number: 20230293379Abstract: A wearable suit and control method thereof is disclosed herein. According to an embodiment of the present disclosure, a method of controlling a wearable suit including a muscular strength assistance unit, at least a portion of which is made of a shape memory alloy material, is provided, the method including: a heating process of heating the muscular strength assistance unit to provide auxiliary force to a user of the wearable suit; and a cooling process of cooling the muscular strength assistance unit to reduce the auxiliary force, wherein the cooling process is a process of cooling the muscular strength assistance unit based on an operating time of the user.Type: ApplicationFiled: December 1, 2022Publication date: September 21, 2023Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Young Min KIM, Yong Seok CHOI, Soong Do LEE, Lae Hoon JEONG
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Publication number: 20230282915Abstract: The present disclosure relates to a battery module with reduced manufacturing cost and a battery pack comprising the same. To achieve the above-described object, the battery module according to the present disclosure includes a cell assembly including a plurality of secondary batteries, and a module housing in which the cell assembly is received, wherein the module housing includes at least two frames capable of changing a length of the module housing according to a size of the cell assembly.Type: ApplicationFiled: April 29, 2021Publication date: September 7, 2023Applicant: LG Energy Solution, Ltd.Inventors: Sang-Woo Ryu, Jee-Soon Choi, Yong-Seok Choi
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Publication number: 20230268610Abstract: A battery module includes a cell assembly including a plurality of battery cells, a lower case having an open upper portion and including an accommodating space, an upper case coupled to the lower case and including a connection hole to communicate with the accommodating space, an upper cover coupled to the upper case, forming a buffering space between the upper cover and the upper case by being spaced apart from the upper case, and including a discharge hole perforated such that the buffering space communicates with the outside, a partition member located in the buffering space to form a movement path extending from the connection hole to the discharge hole, and a coupling member located on the movement path, configured to be coupled to the partition member, and including a movement space formed by perforating a body of the coupling member.Type: ApplicationFiled: November 22, 2021Publication date: August 24, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sang-Woo RYU, Yong-Seok CHOI
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Patent number: 11735733Abstract: A composite negative electrode for an all-solid-state battery is provided. The composite negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes unit cells arranged with a gap therebetween, and wherein the unit cells include a solid electrolyte and a carbon material dispersed in the solid electrolyte.Type: GrantFiled: June 30, 2020Date of Patent: August 22, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Min Lim, Yong Seok Choi
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Publication number: 20230251518Abstract: A system may have a display that includes a plurality of light sources such as light-emitting diodes. The display may be an exterior display that is routinely operated in daytime conditions where ambient light levels are very high. To increase contrast in an exterior display, the display may include a sunlight blocking element. A static sunlight blocking element may include a louver film with asymmetric light blocking portions. The system may include an ambient light sensor that is configured to determine ambient light levels. Based on the detected ambient light level, control circuitry in the system may adjust one or more adjustable components in the display. The display may include an adjustable diffuser that has at least two states with different haze levels. The display may include an adjustable tint layer that has at least two states with different transmission levels.Type: ApplicationFiled: December 16, 2022Publication date: August 10, 2023Inventors: Tao Zhan, Yu P Sun, Rong Liu, Yong Seok Choi, Joshua A Spechler, Jun Qi, Victor H Yin
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Publication number: 20230231090Abstract: A system may have an exterior display. The exterior display may display symbols that correspond to intended actions for the system or instructions for nearby viewers. The exterior display may include an array of light-emitting diodes, a collimator, a one-way filter to prevent sunlight from washing out the display, and a cover layer. The one-way filter may include a microlens array and a masking layer. The collimator is configured to collimate light from the array of light-emitting diodes and provide the collimated light to the one-way filter. The microlens array receives the collimated light and focuses the collimated light through a plurality of holes in the masking layer. In this way, the majority of display light is passed through the one-way filter towards a viewer. However, the majority of ambient sunlight is blocked by the masking layer, thus preserving a high contrast for the exterior display even in bright sunlight.Type: ApplicationFiled: December 22, 2022Publication date: July 20, 2023Inventors: Xiaofeng Tang, Bryce E Wallis, Christopher P Child, Clarisse Mazuir, Kurt R Stiehl, Rong Liu, Yong Seok Choi, Yu P Sun
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Publication number: 20230231244Abstract: A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.Type: ApplicationFiled: March 22, 2023Publication date: July 20, 2023Applicant: LG Energy Solution, Ltd.Inventors: Hyun-Young Cho, Yong-Il Kim, Yong-Seok Choi
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Publication number: 20230215983Abstract: A method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.Type: ApplicationFiled: January 6, 2023Publication date: July 6, 2023Applicant: Samsung Display Co., LTD.Inventors: Mi Hyang SHEEN, Yun Hyuk KO, Dong Uk KIM, Na Ri AHN, Chang Hee LEE, Do Hyung KIM, Ran KIM, In Pyo KIM, Ki Young YEON, Je Won YOO, Joo Hee LEE, Sang Ho JEON, Jung Woon JUNG, Chan Woo JOO, Jin Young CHOI, Na Mi HONG, Jong Il KIM, Jin Ho BYUN, Sang Ho OH, Jae Kwang LEE, Yong Seok CHOI, Jong Hoon HA
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Publication number: 20230209959Abstract: A display device includes: a substrate including a first emission area, a second emission area, and a third emission area; a first wavelength conversion pattern overlapping the first emission area; a second wavelength conversion pattern overlapping the second emission area; and a light-transmitting pattern overlapping the third emission area, wherein the first wavelength conversion pattern includes first wavelength shifters configured to convert a first light into a second light, and first scatterers, the second wavelength conversion pattern includes second wavelength shifters configured to convert the first light into a third light, and second scatterers, and a ratio between a concentration of the first wavelength shifters and a concentration of the second wavelength shifters is 1:1.1 to 1:1.3.Type: ApplicationFiled: September 21, 2022Publication date: June 29, 2023Inventors: Young Soo KWON, Sun Young KWON, Min Seok KIM, Bu Yong KIM, Song Yi KIM, Soo Dong KIM, Su Jin KIM, Jin Won KIM, Da Hye PARK, Dong Gyu BAECK, Hye Jin PAEK, Tae Young SONG, Keun Chan OH, Won Gap YOON, Ki Heon LEE, Myung Jin LEE, Hyeok Jin LEE, Woo Man JI, Ho Yeon JI, Yong Seok CHOI