Patents by Inventor Seong Won Choi
Seong Won 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: 11978870Abstract: The present invention relates to a method for manufacturing a secondary battery and a pre-degassing device for manufacturing a secondary battery.Type: GrantFiled: December 3, 2020Date of Patent: May 7, 2024Assignee: LG Energy Solution, Ltd.Inventors: Seong Won Choi, Su Taek Jung, Soon Kwan Kwon, Tae Jong Kim
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Publication number: 20240145939Abstract: A dual polarization antenna is disclosed in at least one embodiment of the present disclosure, including a base substrate, a power feeding unit supported on the base substrate, and a radiating plate supported on the power feeding unit, the power feeding unit includes a first feeding substrate and a second feeding substrate arranged to cross each other on the base substrate, the first feeding substrate includes a first feed line configured to supply a first reference phase signal to a first point on the radiating plate and to supply a first reverse phase signal having a reverse phase relative to the first reference phase signal, to a second point on the radiating plate, the second feeding substrate includes a second feed line configured to supply a second reference phase signal to a third point on the radiating plate and to supply a second reverse phase signal having a reverse phase relative to the second reference phase signal, to a fourth point on the radiating plate, and wherein the first feeding substrateType: ApplicationFiled: December 15, 2023Publication date: May 2, 2024Applicant: KMW INC.Inventors: Sung Hwan SO, Oh Seog CHOI, Seong Man KANG, Yong Won SEO, Myung Hwa KIM, Su Yong LEE
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Publication number: 20240145913Abstract: The present disclosure relates to a phase shifter and a communication device including the same, and particularly, to a phase shifter including a base panel; a fixed substrate which is laminated and fixed on one side or another side on the base panel and has a plurality of circuit patterns printed on the top surface thereof; and a phase shift switching part provided with a plurality of movable substrates including movable strip terminal which are in contact with the plurality of circuit patterns of the fixed substrate, wherein the phase shift switching part is configured to reciprocate the plurality of movable substrates within a predetermined distance in a horizontal direction on the base panel to change the positions of contact points of the movable substrates with respect to the circuit patterns, wherein the phase shift switching part moves the plurality of movable substrates while elastically supporting the plurality of movable substrates toward the circuit patterns, thereby providing an advantage of maxiType: ApplicationFiled: January 7, 2024Publication date: May 2, 2024Applicant: KMW INC.Inventors: Sung Hwan SO, Oh Seog CHOI, Seong Man KANG, Hyoung Seok YANG, Yong Won SEO, Cha Gun GANG
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Publication number: 20240132021Abstract: An apparatus for controlling a discharge pressure of a fluid includes: a pump configured to suck the fluid through an inlet or to discharge the sucked fluid through an outlet; a distributor connected to the pump and to an injection nozzle provided by a sensor and configured to distribute the fluid discharged from the pump to the sensor; and a controller. The controller is configured to control the pump to operate selectively in accordance with detection of contamination of the sensor and to control operation of the distributor to be forcibly delayed during operation of the pump such that the fluid distributed to the sensor, when detected as being contaminated, is controlled to reach a selected required discharge pressure of different required discharge pressures selected in accordance with water amount information and a degree of contamination of the sensor.Type: ApplicationFiled: April 30, 2023Publication date: April 25, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DY AUTO CORPORATIONInventors: Young Joon Shin, Chan Mook Choi, Gyu Won Han, Jong Min Park, Jin Hee Lee, Jong Wook Lee, Min Wook Park, Seong Jun Kim, Hyeong Jun Kim, Sun Ju Kim
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Publication number: 20240120616Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.Type: ApplicationFiled: April 19, 2022Publication date: April 11, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
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Publication number: 20240088520Abstract: Discussed is a method for manufacturing an electrode assembly and an electrode assembly manufactured therethrough, and the method includes a corona treatment process of performing corona discharge treatment on opposite edges of a separator in a direction perpendicular to a progress direction for manufacturing the electrode assembly, a lamination process of alternately laminating an electrode and the corona-treated separator, and a bonding process of pressing the electrode and the corona-treated separator, which are laminated, to bond the electrode to the corona-treated separator, wherein, in the corona treatment process, corona is locally discharged to the opposite edges of the separator to form a corona-treated section and a corona-untreated section on the opposite edges of the separator.Type: ApplicationFiled: October 14, 2020Publication date: March 14, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Soon Kwan KWON, Seong Won CHOI, Su Taek JUNG
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Publication number: 20240039027Abstract: A method of manufacturing a unit cell having a negative electrode, a separator, and a positive electrode are stacked and placed between guide rollers. One of the positive electrode and the negative electrode. The separator is coated with a binder, and the separator is dipped in a solvent to soften a cured binder before the separator is put between the guide rollers. An apparatus for manufacturing a unit cell includes a reservoir in which at least two or more transfer rollers that rotate while the separator passes therethrough are mounted, and a solvent is stored at a predetermined level; and a chamber into which the separator passing through a reservoir is put together with the positive electrode and the negative electrode. Guide rollers are disposed so that the negative electrode and the positive electrode move to both surfaces of the separator, respectively.Type: ApplicationFiled: July 10, 2020Publication date: February 1, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Byeong Kyu LEE, Su Taek JUNG, Soon Kwan KWON, Hyun Kyung SHIN, Won Nyeon KIM, Seong Won CHOI
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Publication number: 20240014512Abstract: A method for manufacturing a secondary battery includes: assembling an electrode assembly having a plurality of electrodes separated by at least one separator positioned between each of the electrodes; sealing the electrode assembly and an electrolyte solution in a battery case; and dissolving at least a portion of an adhesive into the electrolyte solution such that a mark from the adhesive is left on the separator. The step of assembling the electrode assembly includes adhering a first one of the plurality of electrodes to the at least one separator with the adhesive positioned between the first electrode and the separator. A secondary battery manufactured by such method is also provided.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Applicant: LG Energy Solution, Ltd.Inventors: Seong Won Choi, Kyoung Won Kang, Su Taek Jung, Yong Jun Lee, Soon Kwan Kwon
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Publication number: 20230369630Abstract: An apparatus for preparing a unit cell is provided. The apparatus includes a center electrode reel from which a center electrode sheet is unwound, wherein the center electrode sheet is configured to form a plurality of center electrodes, separator reels from which separator sheets to be stacked with the center electrodes are unwound, a laminator configured to laminate a stack which is formed by stacking the plurality of center electrodes with the separator sheets while the plurality of center electrodes are spaced apart from each other and disposed in a row in a longitudinal direction of the separator sheets, a first nozzle configured to apply an adhesive to an upper surface of the separator sheet disposed on an uppermost layer of the laminated stack, and an upper electrode reel from which an upper electrode sheet is unwound.Type: ApplicationFiled: March 25, 2021Publication date: November 16, 2023Applicant: LG Energy Solution, Ltd.Inventors: Soon Kwan Kwon, Su Taek Jung, Sang Ho Bae, Byeong Kyu Lee, Tai Jin Jung, Seong Won Choi, Ju Hyeon Cho, Yong Jun Lee
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Publication number: 20230341101Abstract: A lamp for a vehicle includes a first beam pattern formation part configured to emit first light for a first beam pattern and a lens configured to form the first beam pattern by transmitting the first light. The first beam pattern formation part includes a first light source that emits the first light; and a shield configured to block a portion of the first light that is emitted from the first light source toward the lens. The lens includes a spread lens that concentrates incident light to a focal line having a linear shape and a spot lens that concentrates incident light to a point.Type: ApplicationFiled: April 21, 2023Publication date: October 26, 2023Inventors: Jun Tae KIM, Ki Beom PARK, Seong Won CHOI, Yong Suk PARK, Seok Hyun LEE
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Patent number: 11799173Abstract: A method for manufacturing a secondary battery includes: assembling an electrode assembly having a plurality of electrodes separated by at least one separator positioned between each of the electrodes; sealing the electrode assembly and an electrolyte solution in a battery case; and dissolving at least a portion of an adhesive into the electrolyte solution such that a mark from the adhesive is left on the separator. The step of assembling the electrode assembly includes adhering a first one of the plurality of electrodes to the at least one separator with the adhesive positioned between the first electrode and the separator. A secondary battery manufactured by such method is also provided.Type: GrantFiled: September 17, 2021Date of Patent: October 24, 2023Inventors: Seong Won Choi, Kyoung Won Kang, Su Taek Jung, Yong Jun Lee, Soon Kwan Kwon
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Publication number: 20230187600Abstract: The present invention provides an adhesive layer coating unit configured to continuously apply an adhesive layer having a first width in a longitudinal direction of a first separator. The adhesive layer coating unit comprises: a transfer roller configured to support a bottom surface of the first separator and transfer the first separator; a discharge roller configured to transfer the first separator, which has passed through the transfer roller, in conjunction with the transfer roller while supporting a top surface of the first separator, wherein a coating groove having the first width and a closed curve shape is formed in a circumferential surface of the discharge roller; and a coating member configured to inject an adhesive into a space between the discharge roller and the top surface of the first separator which has passed through the transfer roller.Type: ApplicationFiled: August 18, 2021Publication date: June 15, 2023Applicant: LG Energy Solution, Ltd.Inventors: Hyeok Jeong, Seong Won Choi, Yong Jun Lee, Su Taek Jung
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Publication number: 20230170514Abstract: In order to the aforementioned issue, a unit cell manufacturing apparatus according to an embodiment of the present invention includes: an electrode reel from which an electrode sheet, which is to be a plurality of electrodes, is unwound; a separator reel from which a separator sheet to be stacked with the electrodes is unwound; and in a stack which is formed by stacking the plurality of electrodes with the separator sheet while the plurality of electrodes are spaced apart from each other and disposed in a row in the longitudinal direction of the separator sheet, a sealer which is disposed between the plurality of electrodes and applies heat and pressure to at least one of the corners of the electrodes or the edges of the electrodes.Type: ApplicationFiled: March 18, 2021Publication date: June 1, 2023Applicant: LG Energy Solution, Ltd.Inventors: Soon Kwan Kwon, Su Taek Jung, Byeong Kyu Lee, Tai Jin Jung, Seong Won Choi, Ju Hyeon Cho
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Publication number: 20230142362Abstract: An apparatus for preparing a cell is provided. The apparatus includes an electrode reel from which an electrode sheet is unwound, wherein the electrode sheet is configured to form a plurality of electrodes, a separator reel from which a separator sheet is unwound, wherein the separator sheet is configured to stack with the electrode while covering the electrode by being folded when the electrode is stably placed, a table having an upper surface on which the electrode and the separator sheet are stably placed, and a nozzle configured to apply an adhesive to at least a portion of a region of the separator sheet stably placed on the table.Type: ApplicationFiled: March 25, 2021Publication date: May 11, 2023Applicant: LG Energy Solution, Ltd.Inventors: Tai Jin Jung, Su Taek Jung, Soon Kwan Kwon, Sang Ho Bae, Seong Won Choi, Yong Jun Lee
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Publication number: 20230126524Abstract: An apparatus for preparing a unit cell is provided. The apparatus includes a lower separator reel from which a lower separator sheet is unwound, a first nozzle configured to apply an adhesive to at least a portion of one surface facing upward of the unwound lower separator sheet, an upper separator reel from which an upper separator sheet is unwound, a second nozzle configured to apply an adhesive to at least a portion of one surface facing upward of the unwound upper separator sheet, and a first nip roll configured to turn opposite surfaces of the upper separator sheet upside down so that the one surface of the upper separator sheet to which the adhesive has been applied is directed downward and adheres to an upper surface of a first electrode stably placed on the one surface of the lower separator sheet.Type: ApplicationFiled: March 25, 2021Publication date: April 27, 2023Applicant: LG Energy Solution, Ltd.Inventors: Tai Jin Jung, Su Taek Jung, Soon Kwan Kwon, Sang Ho Bae, Seong Won Choi, Yong Jun Lee
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Publication number: 20230110500Abstract: An electrode assembly includes a plurality of electrodes and a connection component. The electrodes are arranged in a stack along a stacking dimension with a respective separator portion positioned between each of the electrodes. Each of the electrodes has an outer perimeter within a plane extending transverse to the stacking dimension, and the separator portions each have a respective overhanging portion protruding outwardly in a lateral dimension beyond the outer perimeters of adjacent ones of the electrodes, where the lateral dimension is oriented transverse to the stacking dimension. The connection component extends between and connects at least two adjacent overhanging portions of the separator portions. The connection component comprises a network of strands of material, a plurality of which cross over other strands so as to define respective crossing locations. A region of the connection component includes multiple crossing locations spaced apart from one another in the stacking dimension.Type: ApplicationFiled: September 26, 2022Publication date: April 13, 2023Applicant: LG Energy Solution, Ltd.Inventors: Seong Won Choi, Su Taek Jung, Hyeok Jeong, Soon Kwan Kwon, Sangho Bae, Yong Jun Lee
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Publication number: 20230053218Abstract: The present invention relates an apparatus for sealing a secondary battery, which seals a pouch. The apparatus for sealing the secondary battery comprises: a support block configured to support a bottom surface of one-side sealing part of the pouch; a sealing member comprising a sealing roller that moves in a longitudinal direction of the one-side sealing part in a state of pressing a top surface of the one-side sealing part supported on the support block to seal the one-side sealing part supported on the support block; and a straightening member configured to flatten a surface of the one-side sealing part on which the sealing roller passes.Type: ApplicationFiled: March 9, 2021Publication date: February 16, 2023Applicant: LG Energy Solution, Ltd.Inventors: Seong Won Choi, Su Taek Jung, Soon Kwan Kwon
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Publication number: 20230034788Abstract: A system and method for transferring an electrode substrate, including a process of pressing an electrode substrate, supplied from a winding roll, in a direction opposite to a winding direction, by using a bending mitigation roller. According to the present system and method, it is possible to resolve a bending phenomenon of an electrode substrate supplied from a winding roll and significantly reduce product defects while not lowering the process efficiency.Type: ApplicationFiled: January 20, 2021Publication date: February 2, 2023Applicant: LG Energy Solution, Ltd.Inventors: Byeong Kyu Lee, Soon Kwan Kwon, Seong Won Choi, Su Taek Jung, Tai Jin Jung, Ju Hyeon Cho
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Publication number: 20230028907Abstract: The present invention relates to a method for manufacturing a secondary battery and a pre-degassing device for manufacturing a secondary battery.Type: ApplicationFiled: December 3, 2020Publication date: January 26, 2023Applicant: LG Energy Solution, Ltd.Inventors: Seong Won Choi, Su Taek Jung, Soon Kwan Kwon, Tae Jong Kim
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Publication number: 20220416363Abstract: A unit cell includes a separator and an electrode, which are alternately laminated by a predetermined number. The unit cell is configured such that: the unit cell is laminated in the order of a lower separator, any one electrode of an anode or a cathode, an upper separator, and the other one electrode of the anode or the cathode, wherein at least one surface of the electrode and the separator is applied with an adhesive to adhere the electrode and the separator or the lower separator and the upper separator. The adhesive contains an adhesive composition comprising a copolymer and a rosin ester-based additive, the copolymer contains 60.1 to 79.9% by weight of two or more kinds of alkyl (meth)acrylate-based repeating units (A), and 20.1 to 39.9% by weight of (meth)acrylate-based repeating unit (B) having a hydroxyl group at its end.Type: ApplicationFiled: May 23, 2022Publication date: December 29, 2022Applicant: LG Energy Solution, Ltd.Inventors: Hyeok Jeong, Seong Won Choi, Yong Jun Lee, Su Taek Jung, Soon Kwan Kwon, Sangho Bae, Minwook Kim