Patents by Inventor In-su Choi

In-su 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).

  • Publication number: 20230207935
    Abstract: The present invention relates to a pouch-shaped battery sealing apparatus including a position adjustment unit capable of adjusting relative positions of an electrode lead and an insulative film before sealing during a process of applying heat and pressure to an outer periphery of a battery case made of a laminate sheet to seal the outer periphery of the battery case when a pouch-shaped battery is manufactured and a pouch-shaped battery sealing method using the same.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 29, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae Ho Lee, Yong Su Choi, Sang Hun Kim
  • Publication number: 20230207856
    Abstract: The present invention relates to a pouch-shaped battery sealing apparatus including a stopper capable of adjusting a thickness after sealing in a process of sealing the outer edge of a battery case made of a laminate sheet by applying heat and pressure thereto when a pouch-shaped battery is manufactured and a pouch-shaped battery sealing method using the same.
    Type: Application
    Filed: November 3, 2021
    Publication date: June 29, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jae Ho Lee, Yong Su Choi, Sang Hun Kim
  • Publication number: 20230151465
    Abstract: Proposed is a Fe-based alloy and a filler metal including the same. The Fe-based alloy contains 15% to 25% by weight of nickel (Ni), 0.5% to 3% by weight of manganese (Mn), 2% to 8% by weight of cobalt (Co), 0.1% to 0.5% by weight of carbon (C), and the balance iron (Fe) and unavoidable impurities.
    Type: Application
    Filed: December 1, 2021
    Publication date: May 18, 2023
    Inventors: Hyo Yun JUNG, Kwang Su CHOI, Ji Yong HWANG
  • Publication number: 20230155191
    Abstract: A battery cell evaluation method is provided. The method includes molding a pouch film to form a receiving part to which an electrode assembly is mounted, providing an impact to at least one of corners of the receiving part, storing the pouch film inside a second container together with a first container configured to contain an electrolytic solution, and detecting presence or absence of peeling of an outer layer of the pouch film.
    Type: Application
    Filed: October 22, 2021
    Publication date: May 18, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Na Yoon Kim, Yong Su Choi, Hyungkyun Yu
  • Patent number: 11631443
    Abstract: A semiconductor device including a memory device which has improved reliability is provided. The semiconductor device comprises at least one data pin configured to transfer a data signal, at least one command address pin configured to transfer a command and an address, at least one serial pin configured to transfer a serial data signal, and processing circuitry connected to the at least one data pin and the at least one serial pin. The processing circuitry is configured to receive the data signal from outside through the at least one data pin, and the processing circuitry is configured to output the serial data signal through the at least one serial pin in response to the received data signal.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: April 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Jun Yu, Nam Hyung Kim, Do-Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Chang Min Lee, Il Gyu Jung, In Su Choi
  • Patent number: 11609361
    Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 21, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Shin Yang, Tae Su Choi, Sot Eum Seo, Ju Sung Park
  • Publication number: 20230082574
    Abstract: An electrode lead for achieving the above object is provided. The electrode lead includes a first electrode lead having one end connected to an electrode tab protruding from one side of an electrode assembly, a second electrode lead having one end connected to the other end of the first electrode lead and the other end protruding to the outside of a battery case accommodating the electrode assembly, and a connection part configured to connect the first electrode lead to the second electrode lead, wherein the connection part is formed by a cured adhesive applied between the first electrode lead and the second electrode lead. The adhesive is formed by a mixture of a conductor and a solvent. The solvent is formed by a mixture of a polymer and a diluent. The solvent contains 5 wt % to 15 wt % of the diluent.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sang Hun Kim, Hyun Tae Kim, Yong Su Choi, Hyung Kyun Yu, Min Hyeong Kang, Il Gyu Byen, Seong Heon Jeong, Chung Ki Cho
  • Patent number: 11588170
    Abstract: Disclosed are a secondary battery and a method for manufacturing the same. According to the present invention, since an external protrusion protruding from the outside of an exterior constituting a body of the secondary battery as a component through which a secondary battery according to a related art is electrically connected to external electric equipment is removed, the secondary battery may be reduced in volume under the same capacity.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 21, 2023
    Inventors: Sang Hun Kim, Yong Su Choi, Hyung Kyun Yu, Soo Ji Hwang, Na Yoon Kim, Yong Kim
  • Patent number: 11581600
    Abstract: A venting device for insertion into a sealing part of a pouch of a secondary battery includes: a housing configured to be inserted between two surfaces of the sealing part so as to be sealed together with the sealing part; a sheet disposed in the housing and defining a passage through which an inside and an outside of the pouch are configured to communicate with each other; a plate spring configured to open and close the passage according to an internal pressure of the pouch and made of a metal having elasticity; and a ball disposed between the sheet and the plate spring so as to contact or be spaced apart from the sheet at an outlet-side of the passage, thereby opening and closing the passage, wherein the ball has a hemispherical shape to be attached to an inner surface of the plate spring.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: February 14, 2023
    Inventors: Jae Ho Lee, Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu, Na Yoon Kim
  • Patent number: 11580896
    Abstract: An electroluminescence display apparatus includes a display panel including a first pixel and a second pixel, a first current integrator connected to the first pixel through a first sensing channel to sense a first current from the first pixel to generate a first output voltage, a second current integrator connected to the second pixel through a second sensing channel to sense a second current from the second pixel to generate a second output voltage, and a sampling capacitor connected to an output terminal of the first current integrator at one electrode thereof and connected to an output terminal of the second current integrator at the other electrode thereof, thereby sampling the first output voltage and the second output voltage.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 14, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Myung Gi Lim, Tae Young Lee, Ji Su Choi
  • Patent number: 11568826
    Abstract: An electroluminescence display apparatus includes a pixel including a driving element generating a driving current, a data line connected to the pixel to transfer a data voltage needed for generating the driving current, a reference voltage line connected to the pixel to transfer a first reference voltage and/or a second reference voltage needed for generating the driving current, and a driving & sensing circuit configured to perform an integral on the driving current input through the reference voltage line, output an integral result to the data line, decrease a voltage of the data line from the data voltage to an off voltage for turning off the driving element, and detect an off voltage of the driving element from the data line.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: January 31, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Ji Su Choi, Myung Gi Lim, Kyung Hyun Lim
  • Patent number: 11557810
    Abstract: The present invention relates to a battery cell. The battery cell comprises: an electrode assembly provided with an electrode tab; a case which accommodates the electrode assembly and of which at least a portion of an edge is sealed to provide a sealing surface; an electrode lead coupled to the electrode tab and led out of the case; a lead film disposed on each of top and bottom surfaces of the lead electrode disposed on the sealing surface of the case and coupled together with the sealing surface; and a main gas discharge tube disposed in the case and having one end buried in the lead film.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: January 17, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Cho Long Kim, Yong Su Choi, Sang Hun Kim, Sang Suk Jung, Won Pill Hwang, Yong Kim
  • Patent number: 11545707
    Abstract: Disclosed herein is a pouch-shaped battery case configured to receive an electrode assembly having a separator interposed between positive and negative electrodes, together with an electrolytic solution, the pouch-shaped battery case including an outer coating layer defining an outer surface of the battery case and configured to protect the electrode assembly from an outside of the battery case, the outer coating layer made of a polymer resin, a metal barrier layer located between the outer coating layer and an inner surface of the battery case, the metal barrier layer having high moisture-blocking efficiency and high thermal conductivity, and an inner sealant layer located between the metal barrier layer and an inner surface of the battery case, the inner sealant layer made of a polymer resin that has high thermal fusibility, the metal barrier layer includes a first metal that has high formability and a second metal that has high rigidity.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: January 3, 2023
    Inventors: Sang Hun Kim, Yong Kim, Yong Su Choi, Hyung Kyun Yu, Soo Ji Hwang, Na Yoon Kim, Min Hyeong Kang
  • Publication number: 20220416289
    Abstract: To solve the above problem, a method for manufacturing an electrode lead according to an embodiment of the present invention includes: a step of manufacturing each of a first electrode lead and a second electrode lead by cutting a metal plate; a step of applying an adhesive to at least one of one end of the first electrode lead or the other end of the second electrode lead; a step of forming a lead stack by bonding the one end of the first electrode lead and the other end of the second electrode lead to each other; a step of placing the lead stack on a die; and a step of applying heat and pressure to a connection portion of the lead stack, in which the first electrode lead and the second electrode lead are connected to each other, by using a pressing device.
    Type: Application
    Filed: October 27, 2020
    Publication date: December 29, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Hyeong Kang, Seong Heon Jeong, Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu, Hyun Tae Kim, Il Gyu Byen, Chung Ki Cho
  • Patent number: 11539098
    Abstract: To solve the above problem, a venting device inserted into a sealing part of a pouch of a secondary battery according to the present invention includes: a housing inserted between confronting surfaces of the sealing part and sealed together with the sealing part; an element made of a metal and disposed in the housing and through which a passage is defined providing gas communication between an inside and an outside of the pouch; and a ball disposed at an outlet-side of the passage, the ball configured to open and close the passage, wherein, in the element, an edge of an inner circumference of a surface of the outlet-side of the passage is chamfered or filleted so as to face the ball, and the element includes: a surface treatment layer formed on the chamfered or filleted surface; and a layer made of a polymer and fused to the surface treatment layer.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: December 27, 2022
    Inventors: Na Yoon Kim, Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu, Soo Ji Hwang
  • Patent number: 11531585
    Abstract: A memory module includes a memory device configured to receive a first refresh command from a host, and perform a refresh operation in response to the first refresh command during a refresh time, and a computing unit configured to detect the first refresh command provided from the host to the memory device, and write a first error pattern at a first address of the memory device during the refresh time.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deok Ho Seo, Nam Hyung Kim, Dae-Jeong Kim, Do-Han Kim, Min Su Kim, Won Jae Shin, Yong Jun Yu, Chang Min Lee, Il Gyu Jung, In Su Choi
  • Publication number: 20220393316
    Abstract: Disclosed herein is a method for manufacturing an electrode lead. The method may include manufacturing each of a first electrode lead and a second electrode lead, bonding the first electrode lead to the second electrode lead form a connection part. Manufacturing the first electrode lead may include unwinding a first metal plate from a first metal reel, attaching a first tape to perform masking on a first connection area to form the connection part, plating and surface treating on the first metal plate, and removing the first tape. Manufacturing the second electrode lead may include unwinding a second metal plate from a second metal reel, attaching a second tape to perform masking on a second connection area to form the connection part, plating and surface treating the second metal plate, and removing the second tape.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 8, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Hyeong Kang, Yong Su Choi, Sang Hun Kim
  • Publication number: 20220383826
    Abstract: An electroluminescence display apparatus includes a pixel including a driving element generating a driving current, a data line connected to the pixel to transfer a data voltage needed for generating the driving current, a reference voltage line connected to the pixel to transfer a first reference voltage and/or a second reference voltage needed for generating the driving current, and a driving & sensing circuit configured to perform an integral on the driving current input through the reference voltage line, output an integral result to the data line, decrease a voltage of the data line from the data voltage to an off voltage for turning off the driving element, and detect an off voltage of the driving element from the data line.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 1, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Ji Su CHOI, Myung Gi LIM, Kyung Hyun LIM
  • Patent number: D974342
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Young Lee, Hyok-Su Choi, Chung-Ha Kim, Jong-Bo Jung, Min-Young Park
  • Patent number: D989015
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Diana Minsun Kang, Jae-Neung Lee, Chul-Yong Cho, Su-An Choi, Tae-Hun Kim