Patents by Inventor Jong Woon Choi
Jong Woon 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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Patent number: 11967735Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.Type: GrantFiled: December 2, 2019Date of Patent: April 23, 2024Assignee: LG Energy Solution, Ltd.Inventors: Hyejin Kim, Doohan Yoon, Jaehun Yang, Junyeob Seong, Jong Woon Choi, Junkyu Park, Youngho Choi
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Publication number: 20240128123Abstract: A method for forming a semiconductor die, includes forming an interlayer dielectric layer on a substrate having a semiconductor die region, a seal-ring region, and a scribe line region, forming a metal pad and a test pad on the interlayer dielectric layer, forming a passivation dielectric layer on the interlayer dielectric layer, the metal pad, and the test pad, first etching the passivation dielectric layer and the interlayer dielectric layer existing between the seal-ring region and the scribe line region to a predetermined depth using a plasma etching process, second etching the passivation dielectric layer to expose the metal pad and the test pad, forming a bump on the metal pad, and dicing the substrate while removing the scribe line region by mechanical sawing.Type: ApplicationFiled: December 18, 2023Publication date: April 18, 2024Applicant: MagnaChip Semiconductor, Ltd.Inventors: Jin Won JEONG, Jang Hee LEE, Young Hun JUN, Jong Woon LEE, Jae Sik CHOI
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Patent number: 11721874Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other, and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.Type: GrantFiled: July 23, 2019Date of Patent: August 8, 2023Inventors: Doo Han Yoon, Jong Woon Choi, Jae Hun Yang
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Publication number: 20220393309Abstract: Disclosed herein is a high-voltage battery module including a bridge bus bar configured to be exposed to the outside in order to reduce a danger of accident due to electric shock when handing the high-voltage battery module, wherein a cell assembly is temporarily electrically open-circuited and the bridge bus bar is connected only when the battery module is used. It is possible to remove dangerous factors that may injure the human body during manufacture and transportation of the high-voltage battery module and to use the high-voltage battery module in the state in which restrictions are minimized.Type: ApplicationFiled: October 14, 2020Publication date: December 8, 2022Applicant: LG Energy Solution, Ltd.Inventor: Jong Woon Choi
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Publication number: 20210280949Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.Type: ApplicationFiled: December 2, 2019Publication date: September 9, 2021Applicant: LG Chem, Ltd.Inventors: Hyejin Kim, Doohan Yoon, Jaehun Yang, Junyeob Seong, Jong Woon Choi, Junkyu Park, Youngho Choi
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Publication number: 20210091350Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.Type: ApplicationFiled: July 23, 2019Publication date: March 25, 2021Applicant: LG Chem, Ltd.Inventors: Doo Han Yoon, Jong Woon Choi, Jae Hun Yang
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Patent number: 10622610Abstract: Provided is a cell module assembly including: a plurality of cell modules arranged at a predetermined interval; and a pack structure including a pack tray that supports the plurality of cell modules and in which a passage is formed, wherein at least one first venting hole is formed in each of the plurality of cell modules, and a second venting hole matched to the at least one first venting hole and communicating with the passage is formed in the pack tray.Type: GrantFiled: July 7, 2017Date of Patent: April 14, 2020Assignee: LG Chem, Ltd.Inventors: Sung-Won Seo, Jeong-O Mun, Jong-Ha Jeong, Jong-Woon Choi
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Patent number: 10566589Abstract: Disclosed is a battery module, which may stably maintain a secondary battery stack and have less damage to an electrode lead due to external vibration, and a battery pack including the battery module. The battery module comprises a plurality of pouch-type secondary batteries respectively configured to accommodate an electrode assembly in a pouch thereof so that an electrode lead connected to an electrode tab of the electrode assembly is drawn through a terrace portion of the pouch, and a fixing member interposed at least partially between the secondary batteries and adhered and fixed to the terrace portion to maintain the secondary batteries in a stacked state.Type: GrantFiled: June 28, 2016Date of Patent: February 18, 2020Assignee: LG CHEM, LTD.Inventors: Jong-Woon Choi, Hang-June Choi, Jeong-O Mun
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Patent number: 10530020Abstract: Provided is a cartridge suitable for sensing a voltage of a battery cell through a center region and an edge, wherein two battery cells are provided in an upper portion and a lower portion so as to increase energy density, and a battery module including the cartridge. The cartridge includes: a mount frame including a pair of through windows provided sequentially in a length direction, and a lower sliding board, a lead mounting board, and an upper sliding board sequentially provided in a width direction between the pair of through windows; and cooling fins respectively covering the pair of through windows, wherein the lower sliding board and the upper sliding board are respectively provided on left and right of the lead mounting board to diagonally face each other.Type: GrantFiled: June 13, 2016Date of Patent: January 7, 2020Assignee: LG CHEM, LTD.Inventors: Jeong-Seop Lee, Jong-Woon Choi, Sun-Mo An, Seung-Hun Jung
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Patent number: 10396334Abstract: Disclosed are a battery module and a battery pack including the same, in which laser welding can be used for coupling three or more electrode leads to a single bus bar, thereby enhancing adhesion and improving the ease of a manufacturing process. The battery module includes: a plurality of secondary batteries, each including an electrode assembly, a case and an electrode lead; and a terminal bus bar having a plate-like coupling unit, wherein electrode leads of the same polarity provided in the three or more secondary batteries are coupled to the coupling unit, two or more electrode leads stacked to each other are in contact with one end of the coupling unit, and the other one or more electrode leads are in contact with the other end of the coupling unit.Type: GrantFiled: March 6, 2015Date of Patent: August 27, 2019Assignee: LG CHEM, LTD.Inventors: Jong-Woon Choi, Dal-Mo Kang, Jun-Yeob Seong
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Patent number: 10381679Abstract: Disclosed is a battery module array including battery modules, which may have improved space utilization. The battery module array includes a plurality of battery modules, each having two secondary battery cells, a module frame and a cooling fin. If the battery module array is configured using the above battery modules, space utilization may be improved.Type: GrantFiled: April 1, 2015Date of Patent: August 13, 2019Assignee: LG CHEM, LTD.Inventors: Jong-Woon Choi, Jeong-O Mun, Dal-Mo Kang
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Patent number: 10374200Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case includes a PCB receiving part open outward at one side thereof and at least one fixing part to mount the module case to the sealed surplus part of the battery cell, and the PCM is loadedType: GrantFiled: April 29, 2014Date of Patent: August 6, 2019Assignee: LG CHEM, LTD.Inventors: Mi Geum Choi, Dong Cheol Lee, Jong Woon Choi
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Patent number: 10320036Abstract: Disclosed herein is a voltage sensing assembly including sensing bus bars connected to series connection portions of battery cells for sensing the voltage of the battery cells, a printed circuit board (PCB), to the upper part of which the sensing bus bars are and to the lower part of which a connector is coupled, the connector mounted on the PCB, an insulative mounting member including a receiving part having a shape corresponding to the shape of the PCB such that the PCB is mounted in the receiving part, the receiving part being provided at one side thereof with openings, through which the sensing bus bars extend, and an insulation sheet attached to the front surface of the PCB.Type: GrantFiled: September 26, 2014Date of Patent: June 11, 2019Assignee: LG CHEM, LTD.Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom
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Publication number: 20180358593Abstract: Provided is a cell module assembly including: a plurality of cell modules arranged at a predetermined interval; and a pack structure including a pack tray that supports the plurality of cell modules and in which a passage is formed, wherein at least one first venting hole is formed in each of the plurality of cell modules, and a second venting hole matched to the at least one first venting hole and communicating with the passage is formed in the pack tray.Type: ApplicationFiled: July 7, 2017Publication date: December 13, 2018Applicant: LG Chem, Ltd.Inventors: Sung-Won Seo, Jeong-O Mun, Jong-Ha Jeong, Jong-Woon Choi
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Patent number: 10074832Abstract: Disclosed herein is a method of manufacturing a battery cell having a structure in which an electrode assembly including a positive electrode, a separator, and a negative electrode is mounted in a battery case, and the battery case is sealed by thermal welding, the method including (a) mounting the electrode assembly in a receiving part of the battery case and forming sealed portions at an outer edge of the receiving part by thermal welding, (b) perpendicularly bending the sealed portions and bringing the bent sealed portions into contact with an outer side wall of the receiving part, (c) mounting and fixing the battery case processed at step (b) in a jig provided with a depressed part having a size corresponding to that of the battery case, and (d) injecting a curable material into a space defined between the outer side wall of the receiving part of the battery case and an inner side wall of the depressed part of the jig and curing the injected curable material.Type: GrantFiled: April 18, 2014Date of Patent: September 11, 2018Assignee: LG CHEM, LTD.Inventors: Eun Pyo Hong, Jong Woon Choi, Hyung Ku Yun
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Battery cell having connecting protrusion for voltage sensing and battery module comprising the same
Patent number: 10069178Abstract: Disclosed herein is a battery cell including a battery cell body having an electrode assembly mounted in a cell case, an electrode terminal protruding from at least one end of the battery cell body, and a connection protrusion for voltage sensing formed integrally with the electrode terminal.Type: GrantFiled: August 18, 2014Date of Patent: September 4, 2018Assignee: LG CHEM, LTD.Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom -
Publication number: 20180145294Abstract: Disclosed is a battery module, which may stably maintain a secondary battery stack and have less damage to an electrode lead due to external vibration, and a battery pack including the battery module. The battery module comprises a plurality of pouch-type secondary batteries respectively configured to accommodate an electrode assembly in a pouch thereof so that an electrode lead connected to an electrode tab of the electrode assembly is drawn through a terrace portion of the pouch, and a fixing member interposed at least partially between the secondary batteries and adhered and fixed to the terrace portion to maintain the secondary batteries in a stacked state.Type: ApplicationFiled: June 28, 2016Publication date: May 24, 2018Applicant: LG CHEM, LTD.Inventors: Jong-Woon CHOI, Hang-June CHOI, Jeong-O MUN
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Patent number: 9978998Abstract: Disclosed is a battery module array which has high space utilization and is easy to fabricate. The battery module array includes a plurality of battery modules, end plates, tension bars, a front sensing unit, a rear sensing unit, an under-base bar, a front cover, and a rear cover.Type: GrantFiled: April 1, 2015Date of Patent: May 22, 2018Assignee: LG CHEM, LTD.Inventors: Jong Woon Choi, Dal-Mo Kang
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Patent number: 9905835Abstract: Disclosed is a secondary battery pack including a battery cell having an anode and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, the board is coupled to the anode terminal and the cathode terminal of the battery cell via the anode terminal connection part and the cathode terminal connection part and is mounted to the sealed surplus portion of the battery cell, and the secondary battery pack further includes a frame mounted to the PCM and the battery cell so as to surround the PCM and the battery cell.Type: GrantFiled: September 20, 2013Date of Patent: February 27, 2018Assignee: LG Chem, Ltd.Inventors: Jong Woon Choi, Seog Jin Yoon, Youngjoo Cha
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Publication number: 20180048033Abstract: Provided is a cartridge suitable for sensing a voltage of a battery cell through a center region and an edge, wherein two battery cells are provided in an upper portion and a lower portion so as to increase energy density, and a battery module including the cartridge. The cartridge includes: a mount frame including a pair of through windows provided sequentially in a length direction, and a lower sliding board, a lead mounting board, and an upper sliding board sequentially provided in a width direction between the pair of through windows; and cooling fins respectively covering the pair of through windows, wherein the lower sliding board and the upper sliding board are respectively provided on left and right of the lead mounting board to diagonally face each other.Type: ApplicationFiled: June 13, 2016Publication date: February 15, 2018Applicant: LG CHEM, LTD.Inventors: Jeong-Seop LEE, Jong-Woon CHOI, Sun-Mo AN, Seung-Hun JUNG