Patents by Inventor Chang Hyeon
Chang Hyeon 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).
-
Publication number: 20250149698Abstract: The present disclosure relates to a battery pack configured to accommodate a battery module including a cell stack in which a plurality of cells are stacked, including: a pack case including a base plate configured to support a lower portion of the battery module, a main partition wall coupled to a center portion of the base plate and formed to extend across the base plate, a side wall coupled along an edge of the base plate, and an auxiliary partition wall having both ends coupled to the main partition wall and the side wall, respectively; and a long bolt member coupled to the pack case by passing through the auxiliary partition wall such that the auxiliary partition wall is coupled to the main partition wall and the side wall.Type: ApplicationFiled: July 7, 2023Publication date: May 8, 2025Inventors: Chang Hyeon YANG, Jong Hwa CHOI, Jae Hyun LEE, Hyoung Suk LEE, Ju Hwan SHIN
-
Publication number: 20250149705Abstract: A battery pack includes a lower pack housing including a bottom plate and a side wall frame surrounding edges of the bottom plate; an upper lid coupled to an upper surface of the side wall frame while covering the lower pack housing; and a pack gasket installed between the upper surface of the side wall frame and the upper lid, in which a first protruding part blocking the inside of the battery pack and the pack gasket is provided along the upper surface of the side wall frame.Type: ApplicationFiled: October 30, 2023Publication date: May 8, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Nam Hoon HUR, Hyoung Suk LEE, Ju Hwan SHIN, Chang Hyeon YANG
-
Publication number: 20250149717Abstract: Discussed is a battery pack including a housing having a plate part, a plurality of battery devices on a first side of the plate part of the housing, a cover plate on a second side of the plate part of the housing, and a plurality of fastening members configured to fix the cover plate and the housing, in which each of the plurality of fastening members includes a head part and a shank, in which a diameter of the shank is less than a diameter of the head part, and the head part of each of the plurality of fastening members is in contact with the cover plate.Type: ApplicationFiled: December 1, 2023Publication date: May 8, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Nam Hoon HUR, Chang Hyeon YANG, Ju Hwan SHIN, Jun Yeob SEONG, Hyoung Suk LEE
-
Publication number: 20250139345Abstract: A machine-learning method for semiconductor process optimization may include inputting semiconductor-related parameters into each of first neural network models and outputting, based on the semiconductor-related parameters, a predicted figure of merit of a semiconductor device as a first output value from each of the first neural network models. After a semiconductor manufacturing process is performed with a semiconductor manufacturing parameter, electrical measurement parameter values may be measured using one or more measuring devices. The semiconductor-related parameters may include electrical measurement parameter values measured on one or more semiconductor devices. The method may also utilize a feedback loop between an output and an input of the first neural network models so that the electrical measurement parameter values can be updated based on an output value of the first neural network models. A second neural network model may also be used. A computing device and a system are also disclosed.Type: ApplicationFiled: August 23, 2024Publication date: May 1, 2025Applicants: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyun Chul CHOI, Chang Hyeon AN, Rock Hyun BAEK, Hyeok YUN
-
Publication number: 20250141035Abstract: A battery pack includes a cell stack including one or more battery cells, including a pack case. The pack case includes a base plate supporting a lower portion of the cell stack; a main wall extending across the base plate and coupled to a center portion of the base plate; a side wall having a hollow shape and including a gas venting path therein, and coupled along an edge of the base plate; and a plurality of supplementary wall having a front end coupled to the main wall, and a rear end coupled to the side walls. The supplementary wall includes a first partition member including a pair of ribs along a longitudinal direction of the supplementary wall, and a second partition member coupled to the first partition member. At least one of the first partition member and the second partition member includes a first hole between the ribs.Type: ApplicationFiled: June 1, 2023Publication date: May 1, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Chang Hyeon YANG, Bo Ra JEON, Dae Gil KIM, Hyoung Suk LEE, Ju Hwan SHIN
-
Publication number: 20250132340Abstract: The present disclosure relates to an electrochemical device that can simultaneously satisfy a high energy density of 400 Wh/kg or more, excellent lifespan characteristics, and stability. The electrochemical device according to the present disclosure includes a cathode; an anode including an anode current collector, or the anode current collector and lithium metal; and an electrolyte; wherein the cathode includes a cathode current collector; and a cathode active material layer formed on the cathode current collector, and including a porous binder scaffold and cathode active material particles.Type: ApplicationFiled: January 25, 2024Publication date: April 24, 2025Inventors: Chang-Kyoo Lee, Chang-Hyeon Kim, Keun-Ho Choi, Jung-Hwan KIM, Seok-Kyu Cho, Hyeong-Min Jo
-
Publication number: 20250021590Abstract: The invention relates to a method and a system for improving performance of text summarization and has an object of improving performance of a technique for generating a summary from a given paragraph. According to the invention to achieve the object, a method for improving performance of text summarization includes: calculating a first likelihood of each of a plurality of nodes included in a graph corresponding to a natural language-based context; calculating a second likelihood of each of the plurality of nodes by assigning a weight to a first likelihood of a node corresponding to a keyword not presenting in the context among a plurality of keywords corresponding to each of the plurality of nodes; calculating a third likelihood of each of all paths present in the graph based on the second likelihood of each of the plurality of nodes; and generating a summary for the context based on a path having the highest third likelihood among the paths.Type: ApplicationFiled: September 27, 2024Publication date: January 16, 2025Applicant: 42Maru Inc.Inventors: Dong Hwan KIM, Han Su KIM, Woo Tae JEONG, Seung Hyeon LEE, Chang Hyeon LIM
-
Publication number: 20240429513Abstract: A pack case includes a base plate supporting a lower part of the battery modules, and side walls coupled to along the edge of the base plate and side walls coupled to the base plate to separate a space in which the battery modules are accommodated; top cover coupled the pack case to cover a battery module accommodated in the pack case; and a reinforcement beam inserted into at least one of the side walls and separation walls. The reinforcement beam includes at least two side-by-side reinforcement members in the form of columns having a plurality of ribs protruding and formed, and provides a battery pack.Type: ApplicationFiled: June 29, 2023Publication date: December 26, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Chang Hyeon YANG, Hyoung Suk LEE, Ju Hwan SHIN, Bo Ra JEON, Ki Young KIM
-
Publication number: 20240380066Abstract: A battery pack includes a pack case in which a cell stack assembly is mounted; and a supplementary partition wall coupled to the pack case to compartmentalize a space inside the pack case; wherein the pack case includes: a base plate supporting a lower part of the mounted cell stack assembly; and a side wall of hollow structure coupled to the base plate to support a side part of the cell stack assembly, and including a gas venting path internally; and wherein the supplementary partition wall is coupled to the base plate and side wall of the pack case, and includes a gas flow path internally in connection with the gas venting path of the side wall.Type: ApplicationFiled: June 1, 2023Publication date: November 14, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Chang Hyeon YANG, Ju Hwan SHIN, Jae Hyun LEE
-
Publication number: 20240371886Abstract: A semiconductor device is provided. The semiconductor device comprises a substrate including a first region, a second region, and a connecting region placed between the first region and the second region, a plurality of first multi-channel active patterns placed in the first region of the substrate, a plurality of second multi-channel active patterns placed in the second region of the substrate, a first connecting fin type pattern which is placed in the connecting region of the substrate and extends from the first region to the second region in a first direction, and a field insulating film which is placed on the substrate and covers an upper surface of the first connecting fin type pattern, wherein a width of the first connecting fin type pattern in a second direction decreases and then increases as it goes away from the first region, and the first direction is perpendicular to the second direction.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Inventors: Myoung-Ho KANG, Yong-Ah KIM, Dong Hyo PARK, Seong-Yul PARK, Chang Hyeon LEE
-
Publication number: 20240370938Abstract: A method for calculating insurance premiums for pets using at least one Internet of Things (IoT) device employed in the life of pets according to an embodiment of the present disclosure may include, collecting basic information of the pet, collecting maintenance information about maintenance of the at least one IoT device by a pet owner and usage information about usage of the at least one IoT device by the pet, calculating a level of conscientiousness of the pet owner based on the maintenance information, calculating a level of health of the pet based on the usage information, and determining the insurance rate for the pet based on the level of conscientiousness of the pet owner and the level of health of the pet.Type: ApplicationFiled: July 16, 2024Publication date: November 7, 2024Applicant: PurrSong, Inc.Inventors: Tae Gu NOH, Chang Hyeon BAK
-
Publication number: 20240363951Abstract: A pack case includes a base plate, a side plate coupled along a perimeter of the base plate to define an accommodation space therein; a lower cross beam coupled to the base plate to transversely divide the accommodation space; and an upper cross beam coupled to the lower cross beam.Type: ApplicationFiled: July 25, 2023Publication date: October 31, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Nam Hoon HUR, Hyoung Suk LEE, Ju Hwan SHIN, Chang Hyeon YANG
-
Patent number: 12130851Abstract: The invention relates to a method and a system for improving performance of text summarization and has an object of improving performance of a technique for generating a summary from a given paragraph. According to the invention to achieve the object, a method for improving performance of text summarization includes: an a step of generating an embedding vector by vectorizing a natural language-based context; a b step of generating a graph using the embedding vector and calculating a first likelihood of each of at least one node included in the graph; a c step of generating a second likelihood by assigning a weight to the first likelihood according to a result of comparing at least one node included in the graph with the context; and a d step of calculating a third likelihood for all candidate paths present in the graph based on the second likelihood, selecting a path having a highest third likelihood, and generating a summary based on the path.Type: GrantFiled: June 14, 2023Date of Patent: October 29, 2024Assignee: 42Maru Inc.Inventors: Dong Hwan Kim, Han Su Kim, Woo Tae Jeong, Seung Hyeon Lee, Chang Hyeon Lim
-
Patent number: 12128248Abstract: An optical probe includes a light source configured to generate an optical signal, a plurality of waveguides configured to guide the optical signal to a target, a plurality of electrodes configured to record an electrical signal generated by the target, and a modulator configured to transmit the optical signal of the light source to at least one target waveguide from among the plurality of waveguides.Type: GrantFiled: October 6, 2021Date of Patent: October 29, 2024Assignee: Ewha University—Industry Collaboration FoundationInventors: Chang-Hyeon Ji, Sang Beom Jun
-
Publication number: 20240356003Abstract: The present invention relates to a slurry for fabricating an electrode, an electrode, and an electrochemical cell including same. The slurry for fabricating an electrode according to the present invention includes: an electrode material; an organic binder; and two or more solvents having different solubility parameters. The electrode fabricated using the slurry for fabricating an electrode according to the present invention may have a structure in which electrode materials are dispersed and bound to a porous matrix in a network configuration.Type: ApplicationFiled: December 7, 2022Publication date: October 24, 2024Inventors: Keun Ho Choi, Jung Hwan Kim, Geon Hee Lee, Hyeong Min Jo, Chang Hyeon Kim, Chang Kyoo Lee
-
Publication number: 20240322322Abstract: A battery pack includes a pack case that includes external terminals formed on one side and contains a plurality of battery modules inside; a protective frame that extends across the pack case and defines the module area; a busbar that electrically connects the battery modules and the external terminals of the pack case; and a battery management unit located on the other side opposite to the pack case from where the external terminals are formed. The protective frame includes slots extending along the length direction of the protective frame, the module area is compartmentalized by the protective frame and includes a first battery part formed on one side of the protective frame and a second battery part formed on the opposite side of the protective frame, the busbar is inserted and secured within the slots of the protective frame, and the protective frame surrounds its sides.Type: ApplicationFiled: June 1, 2023Publication date: September 26, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Chang Hyeon YANG, Ju Hwan SHIN
-
Publication number: 20240313328Abstract: The disclosed technology relates to a battery pack. In an example, the battery pack includes: a pair of base plates, a center frame between the pair of base plates and connected to each of the base plates at both sides in a longitudinal direction, a pair of side frames each connected to an outer side surface of each of the base plates in the longitudinal direction, and a plurality of battery modules on the pair of base plates in a pack space between the center frame and the side frame, wherein each of the plurality of battery modules includes a pair of module frames and accommodates a plurality of battery cells, and wherein the plurality of battery modules are accommodated in the pack space such that the module frames are disposed in a direction crossing the center frame and the side frame.Type: ApplicationFiled: May 15, 2023Publication date: September 19, 2024Inventors: Ju Hwan SHIN, Byung Do JANG, Ki Young KIM, Hyoung Suk LEE, Chang Hyeon YANG
-
Patent number: 12068327Abstract: A semiconductor device is provided. The semiconductor device comprises a substrate including a first region, a second region, and a connecting region placed between the first region and the second region, a plurality of first multi-channel active patterns placed in the first region of the substrate, a plurality of second multi-channel active patterns placed in the second region of the substrate, a first connecting fin type pattern which is placed in the connecting region of the substrate and extends from the first region to the second region in a first direction, and a field insulating film which is placed on the substrate and covers an upper surface of the first connecting fin type pattern, wherein a width of the first connecting fin type pattern in a second direction decreases and then increases as it goes away from the first region, and the first direction is perpendicular to the second direction.Type: GrantFiled: November 10, 2021Date of Patent: August 20, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myoung-Ho Kang, Yong-Ah Kim, Dong Hyo Park, Seong-Yul Park, Chang Hyeon Lee
-
Publication number: 20240267234Abstract: Provided are a method and apparatus for performing authentication on a vehicle on-demand service. A method by which an integrated communication control unit performs authentication on a vehicle on-demand service, includes: storing, in a service authentication server, a first option value related to a vehicle service, received from a tool in factory (TIF) device; obtaining or generating a private root private key and a private root certificate; generating a device certificate and a device private key signed with the private root private key for each performance controller; generating a service token for the first option value by using the private root certificate and the private root private key; and transmitting the generated service token, the private root certificate, and the device private key for each performance controller.Type: ApplicationFiled: January 31, 2024Publication date: August 8, 2024Inventors: Chang Hyeon SONG, Sung Jun Kim, Sung Yong Lee, Dae Joon Kim
-
Patent number: D1067551Type: GrantFiled: June 29, 2022Date of Patent: March 18, 2025Assignee: PurrSong, Inc.Inventors: Tae Gu Noh, Young Kyun Koh, Chang Hyeon Bak