Patents by Inventor Tae-Su Kim
Tae-Su Kim 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: 20230405728Abstract: A notching apparatus relates to a notching apparatus for notching an electrode sheet used in a secondary battery, the notching apparatus including: an ablation laser source unit configured to radiate ablation laser that performs an ablation operation on the electrode sheet; a notching laser source unit configured to radiate notching laser, wherein the notching laser is emitted to the place, in which the ablation operation has been performed by the ablation laser, to notch the electrode sheet; and an integral scanner unit to which the ablation laser radiated from the ablation laser source unit and the notching laser radiated from the notching laser source unit are incident. The integral scanner unit allows the ablation laser and the notching laser to be emitted to positions adjacent to each other on the electrode sheet.Type: ApplicationFiled: December 10, 2021Publication date: December 21, 2023Applicant: LG Energy Solution, Ltd.Inventors: Hyuk Soo Lee, Tae Su Kim, Myoung Jin Ko, Hyo Jin Lee, Sung Jun Jo, Gil Woo Kim, Jung Hyun Park, Byung Hee Lee
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Publication number: 20230378417Abstract: It is preferred that the foreign material removal device for notching a secondary battery according to one example of the present invention comprises: a foreign material confirmation part provided so that in a transport path of an electrode film through a notching process, the upper and lower surfaces of the notched electrode pattern are photographed, and a position of a foreign material present in the electrode pattern is calculated based on the photographed image; and a foreign material removal process part provided so that air is sprayed to the position of the foreign material and a vacuum pressure is applied thereto according to the foreign material position information calculated by the foreign material confirmation part.Type: ApplicationFiled: April 1, 2022Publication date: November 23, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jung Hyun Park, Tae Su Kim, Seo Jun Lee, Hyo Jin Lee, Gil Woo Kim, Hyuk Soo Lee, Byung Hee Lee
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Publication number: 20230378425Abstract: A method for manufacturing an electrode includes the steps of (a) laminating an active material layer on the surface of the current collector; and (b) removing a portion of the active material layer by irradiating a laser beam on the surface of the active material layer. Before irradiating the active material layer with a laser beam in step (b), a process of supplying moisture to the active material layer is performed. A system for manufacturing an electrode according to the above method is also provided.Type: ApplicationFiled: July 18, 2022Publication date: November 23, 2023Applicant: LG Energy Solution, Ltd.Inventors: Seo Jun Lee, Hyojin Lee, Tae Su Kim, Hyuk Soo Lee, Jung Hyun Park
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Publication number: 20230358688Abstract: A debris detection apparatus and a debris detection method, capable of easily detecting a metal debris existing on the surface of an inspection target by emitting electromagnetic waves having a wavelength in a far-infrared band toward the inspection target during a battery manufacturing process and then analyzing the characteristics of reflected waves from the surface of the inspection target through a thermal image recorder.Type: ApplicationFiled: July 30, 2021Publication date: November 9, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jeong Ho Park, Eun Ho Oh, Tae Su Kim
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Publication number: 20230318007Abstract: A lamination apparatus for a secondary battery comprises a lamination device and a cutting device. The supply unit supplies electrodes disposed on a separation sheet and a bonding unit which bonds the separation sheet and electrodes to manufacture a radical unit sheet. The cutting device cuts the separation sheet of the radical unit sheet to manufacture a radical unit constituted of a separator and the electrodes. The cutting device comprises a transfer conveyor, which transfers the radical unit sheet, a laser cutting unit, which irradiates a laser onto and thereby cuts the separation sheet of the radical unit sheet to manufacture the radical unit, a discharge conveyor, which transfers the radical unit cut by the laser cutting unit, and an adjusting unit which adjusts a speed for cutting the separation sheet passing through the laser cutting unit depending on a spaced distance between the transfer conveyor and the discharge conveyor.Type: ApplicationFiled: January 11, 2022Publication date: October 5, 2023Applicant: LG Energy Solution. Ltd.Inventors: Seo Jun Lee, Tae Su Kim, Hyuk Soo Lee, Jung Hyun Park
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Patent number: 11754149Abstract: Provided are an electric vehicle transmission including an improved one-way clutch. An electric vehicle transmission includes a sun gear unit connected to a transmission motor, a plurality of planetary gear units connected to the sun gear unit, and a ring gear unit connected to the planetary gear units, and further includes a cage unit arranged to surround the plurality of planetary gear units at an inner side thereof, a housing unit arranged at an outer side of the cage unit and having a hollow therein, at least one guide unit arranged between the cage unit and the housing unit, and an adjustment unit configured to adjust a position of the cage unit with respect to the housing unit.Type: GrantFiled: September 7, 2022Date of Patent: September 12, 2023Assignee: NEOOTO CO., LTD.Inventors: Se Hoon Oh, Won Hyeong Jeong, Jae Oh Han, Tae Su Kim, Jong Seok Lee, Han Su Jeon, Duk Soon Choi, Sun Hyun Kim
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Publication number: 20230261336Abstract: A welding method includes pressing multiple objects together by a jig and irradiating the objects with laser to form multiple welded spots. The welded spots may include multiple first welded spots formed in a first direction and multiple second welded spots formed in the first direction and misaligned with the first welded spots in a second direction which is perpendicular to the first direction. A gap between the center of each of the first welded spots and the center of each of the second welded spots in the second direction. Another gap between the first welded spots in the first direction. And a gap between the second welded spots in the first direction may be greater than or equal to the radius of the second welded spot and less than or equal to a value of about 1 mm plus a diameter of the second welded spot.Type: ApplicationFiled: February 10, 2023Publication date: August 17, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jung Hyun Park, Tae Su Kim, Dong Hyeuk Park, Seo Jun Lee, Gil Woo Kim, Hyuk Soo Lee, Ki Beom Na
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Patent number: 11718738Abstract: The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, and particularly a small amount of vinylidene among the unsaturated functional groups, thereby showing excellent physical properties.Type: GrantFiled: May 3, 2019Date of Patent: August 8, 2023Inventors: Jung Ho Jun, Eun Jung Lee, Jin Sam Gong, Rae Keun Gwak, Tae Su Kim
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Publication number: 20230077011Abstract: Provided are an electric vehicle transmission including an improved one-way clutch. An electric vehicle transmission includes a sun gear unit connected to a transmission motor, a plurality of planetary gear units connected to the sun gear unit, and a ring gear unit connected to the planetary gear units, and further includes a cage unit arranged to surround the plurality of planetary gear units at an inner side thereof, a housing unit arranged at an outer side of the cage unit and having a hollow therein, at least one guide unit arranged between the cage unit and the housing unit, and an adjustment unit configured to adjust a position of the cage unit with respect to the housing unit.Type: ApplicationFiled: September 7, 2022Publication date: March 9, 2023Applicant: NEOOTO CO., LTD.Inventors: Se Hoon OH, Won Hyeong JEONG, Jae Oh HAN, Tae Su KIM, Jong Seok LEE, Han Su JEON, Duk Soon CHOI, Sun Hyun KIM
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Patent number: 11548424Abstract: A power leg rest for a vehicle includes a pair of fixed plates; a main pipe connected to between internal surfaces of the fixed plates; a tilt motor tiltably mounted to the main pipe; a pair of main links fastened to external surfaces of the fixed plates by respective first hinge pins; a support pipe connected to between front end portions of the main links; a lead nut bracket coupled to a lead screw and movable forwards and backwards and hingedly fastened to the support pipe; a pair of leg rest links mounted on both sides of a leg rest frame; and a pair of driving links, each being hingedly fastened to corresponding ones of the leg rest links, the main links, and the fixed plates, operating in linkage with the main link, and folding or unfolding the pair of leg rest links.Type: GrantFiled: January 8, 2021Date of Patent: January 10, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, DAS CO., LTDInventors: Tae Su Kim, Soo Hyun Moon, Hyun Kyu Moon, Sang Hwi Yoon, Du Go Jung, Hyun Ko, Won Jin Choi, Young Joon Kim
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Patent number: 11505725Abstract: The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, uniform crystallinity, thereby showing excellent physical properties.Type: GrantFiled: May 3, 2019Date of Patent: November 22, 2022Inventors: Rae Keun Gwak, Eun Jung Lee, Jin Sam Gong, Jung Ho Jun, Tae Su Kim
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Publication number: 20220325018Abstract: The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)?T(50)?50 and T(95)?T(90)?10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.Type: ApplicationFiled: September 28, 2020Publication date: October 13, 2022Applicant: LG Chem, Ltd.Inventors: Sang Eun Park, Eun Jung Lee, In Sung Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Publication number: 20220315747Abstract: The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a melting temperature when measured by differential scanning calorimetry (DSC) is from 20° C. to 70° C., and (3) a high temperature melting peak is confirmed at 75° C. to 150° C. when measured by a differential scanning calorimetry precise measurement method (SSA), and a total enthalpy of fusion ?H(75) of a corresponding region is 1.0 J/g or more. The polypropylene-based composite of the present invention may show excellent impact strength.Type: ApplicationFiled: September 28, 2020Publication date: October 6, 2022Applicant: LG Chem, Ltd.Inventors: In Sung Park, Eun Jung Lee, Sang Eun Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Publication number: 20220306780Abstract: An olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a melting temperature when measured by differential scanning calorimetry (DSC) is 20° C. to 70° C., and (3) a high temperature melting peak is confirmed at 75° C. to 150° C. when measured by a differential scanning calorimetry precise measurement method (SSA), and a total enthalpy of fusion ?H(75) of a corresponding region is 1.0 J/g or more. The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.Type: ApplicationFiled: September 28, 2020Publication date: September 29, 2022Applicant: LG Chem, Ltd.Inventors: Tae Su Kim, In Sung Park, Sang Eun Park, Eun Jung Lee, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Publication number: 20220227981Abstract: The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)-T(50)?50 and T(95)-T(90)?10 are satisfied, wherein T(50), T(90) and T(95) are temperatures at which 50%, 90%, and 95% are melted, respectively, when fractionating a temperature-heat capacity curve from measurement results by the differential scanning calorimetry precise measurement method (SSA). The polypropylene-based composite of the present invention may show excellent impact strength.Type: ApplicationFiled: September 28, 2020Publication date: July 21, 2022Applicant: LG Chem, Ltd.Inventors: Sang Eun Park, Eun Jung Lee, In Sung Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Patent number: 11394243Abstract: A detachable seat wireless power transfer and communication system includes: a seat assembly including a seat receiver configured to receive power wirelessly and a seat controller to control the seat receiver; a vehicle assembly spaced apart from the seat assembly at a lower end of the seat assembly; a front hook spaced apart from the seat assembly at a lower end of a front portion of the seat assembly in a length direction to fix a first end of the seat assembly to a vehicle body; a rear latch spaced apart from the seat assembly at a lower end of a rear portion of the seat assembly in the length direction to fix a second end of the seat assembly to the vehicle body; and a front hook switch spaced apart from the vehicle assembly. The vehicle assembly includes a vehicle transmitter configured to wirelessly transmit the power to the seat assembly, and a vehicle controller configured to control the vehicle transmitter.Type: GrantFiled: September 29, 2020Date of Patent: July 19, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Dae Won San Up Co., Ltd., Amosense Co., Ltd.Inventors: Tae Su Kim, Bo Hyeon Han, Dong Hwi Kim, Won San Na, Jae Myung Hur, Jong Ho Lim
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Publication number: 20220185920Abstract: The present invention relates to a polypropylene-based composite material having improved physical properties including impact strength at low temperature and at room temperature, flexural strength, flexural modulus, etc., and a method for preparing the same.Type: ApplicationFiled: August 27, 2020Publication date: June 16, 2022Applicant: LG Chem, Ltd.Inventors: Sang Eun Park, In Sung Park, Eun Jung Lee, Hyun Jin Ju, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Publication number: 20220049030Abstract: An olefin-based polymer and method of making the same is disclosed herein. In some embodiments, the olefin-based polymer has multiple crystallinity and satisfies the following: (1) two or more peaks in a temperature range of ?20° C. to 120° C. when measured by cross-fractionation chromatography (CFC), and T(90)?T(50)<8.0° C., (2) a soluble fraction (SF) of 1 wt % or less at ?20° C. in CFC, (3) 15° C.<elution temperature (Te)<50° C., and Te has a linear correlation with a density (d) of the polymer, and satisfies the following Equation 1, Te=1,220×d?A, wherein 1,031?A?1,039. The olefin-based polymer according to the present invention is an olefin-based polymer having relatively increased the ratio of high crystal regions, and exhibits excellent mechanical properties such as improved tensile strength, tear strength, and flexural modulus.Type: ApplicationFiled: February 20, 2020Publication date: February 17, 2022Applicant: LG Chem, Ltd.Inventors: Sang Eun Park, Eun Jung Lee, Hyun Jin Ju, In Sung Park, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak, Choong Hoon Lee, Tae Su Kim
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Publication number: 20220049033Abstract: The present invention relates to an olefin-based copolymer of which soluble fraction at a low temperature has a high weight average molecular weight, and which has high flowability and improved physical properties of hardness, flexural strength, tearing strength, etc., and a method for preparing the same.Type: ApplicationFiled: November 15, 2019Publication date: February 17, 2022Applicant: LG Chem, Ltd.Inventors: In Sung Park, Sang Eun Park, Eun Jung Lee, Hyun Jin Ju, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
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Publication number: 20220048422Abstract: A power leg rest for a vehicle includes a pair of fixed plates; a main pipe connected to between internal surfaces of the fixed plates; a tilt motor tiltably mounted to the main pipe; a pair of main links fastened to external surfaces of the fixed plates by respective first hinge pins; a support pipe connected to between front end portions of the main links; a lead nut bracket coupled to a lead screw and movable forwards and backwards and hingedly fastened to the support pipe; a pair of leg rest links mounted on both sides of a leg rest frame; and a pair of driving links, each being hingedly fastened to corresponding ones of the leg rest links, the main links, and the fixed plates, operating in linkage with the main link, and folding or unfolding the pair of leg rest links.Type: ApplicationFiled: January 8, 2021Publication date: February 17, 2022Applicants: Hyundai Motor Company, Kia Motors Corporation, DAS CO., LTDInventors: Tae Su KIM, Soo Hyun MOON, Hyun Kyu MOON, Sang Hwi YOON, Du Go JUNG, Hyun KO, Won Jin CHOI, Young Joon KIM