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).

  • Patent number: 11898029
    Abstract: Provided is a thermoplastic resin composition which includes: a base resin including, in a weight ratio of 70:30 to 90:10, a first copolymer formed by graft polymerization of a diene-based rubber polymer having an average particle diameter of 50 to 200 nm with a first monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer and a second copolymer which is a copolymer of a second monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer; and a plasticizer.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 13, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Roo Da Lee, Jeong Su Choi, Won Seok Lee, Sang Hoo Park, Jong Ju Lee
  • Publication number: 20240036461
    Abstract: The pellicle has a pellicle portion that allows transmission of EUV exposure light. The pellicle portion comprises a heat radiation layer for radiating heat generated by irradiation of EUV exposure light. The heat radiation layer comprises metal and silicon, and the metal content of the heat radiation layer is greater than the silicon content. This ensures a high transmittance of 90% or more, while improving the heat radiation performance of the pellicle portion, so that it can be applied to EUV exposure light powers of 600 W or more.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 1, 2024
    Applicant: S&S TECH Co., Ltd.
    Inventors: Ju-Hee HONG, Chul-Kyun PARK, Mun-Su CHOI, Dong-Hoi KIM
  • Patent number: 11881591
    Abstract: A venting device inserted into a sealing part of a pouch of a secondary battery according to an embodiment of the present invention includes: a housing inserted between confronting surfaces of the sealing part so as to be sealed together with the sealing part, the housing being made from a metal plate; a gasket made of a polymer 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 plate spring made of a metal, the plate spring being disposed in the housing and assembled with the gasket, the plate spring being configured to open and close the passage in response to a change in an internal pressure of the pouch, wherein the housing includes a crimping part crimped together with the gasket on an upper end of the housing.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: January 23, 2024
    Inventors: Yong Su Choi, Sang Hun Kim, Na Yoon Kim, Hyung Kyun Yu
  • Patent number: 11866811
    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: Grant
    Filed: December 1, 2021
    Date of Patent: January 9, 2024
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Hyo Yun Jung, Kwang Su Choi, Ji Yong Hwang
  • Publication number: 20240006812
    Abstract: A connector assembly has a movable plate for protecting terminals and maintaining alignment in a first connector. The connector assembly includes a first connector having a coupling space formed therein and having a plurality of first terminals disposed in the coupling space, a moving plate movably installed in the coupling space and having a terminal hole through which the first terminal passes, and a second connector coupled to one side of the first connector and moving the moving plate in the coupling space. A step portion is formed on the inner surface of the first connector. A hinge portion is formed on a side surface of the moving plate to rotate at a predetermined angle, and an end of the hinge portion can be locked or released from the step portion.
    Type: Application
    Filed: March 31, 2023
    Publication date: January 4, 2024
    Inventors: Sang Ho Bae, Young Il Park, Dong Hoon Lee, Young Joo Yun, Jin Su Choi
  • Publication number: 20230416917
    Abstract: The present invention disclosed herein relates to a substrate processing apparatus, and more particularly, to a substrate processing apparatus capable of performing substrate processing such as deposition, etching, and heat processing on a plurality of substrates. The present invention discloses a substrate processing apparatus including a reaction tube having a processing space, in which a plurality of substrates are accommodated to perform substrate processing, a nozzle installation part protruding outward from a portion of a side surface of the reaction tube to provide a portion of an outer surface of the reaction tube, and a plurality of gas injection nozzles disposed along a circumference of each of the substrate in a direction perpendicular to the nozzle installation part to inject a process gas into the reaction tube, wherein the nozzle installation part comprises a plurality of insertion parts corresponding to the gas injection nozzles.
    Type: Application
    Filed: December 14, 2022
    Publication date: December 28, 2023
    Applicant: WONIK IPS CO., LTD.
    Inventors: Kee Jun KIM, Seung Han KIM, Bong Su CHOI, Sang Cheol PARK
  • Publication number: 20230399503
    Abstract: The present disclosure relates to a thermoplastic resin composition which includes: a graft polymer including a rubber polymer having a gel content of 0 to 10 wt % and including an aromatic vinyl-based monomer unit and a diene-based monomer unit; and a shell including a (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit which are grafted to the rubber polymer; and a non-grafted polymer including 90 wt % or more of a (meth)acrylate-based monomer unit.
    Type: Application
    Filed: July 19, 2022
    Publication date: December 14, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Su CHOI, Won Seok LEE, Roo Da LEE, Sang Hoo PARK, Jong Ju LEE
  • Publication number: 20230391999
    Abstract: The present disclosure relates to thermoplastic resin composition including: a graft polymer comprising a diene-based rubber polymer onto which a (meth)acrylate-based monomer unit and a vinyl aromatic monomer unit are grafted; a non-grafted polymer comprising a (meth)acrylate-based monomer unit and a vinyl aromatic monomer unit; and 3 to 30% by weight of waste artificial marble.
    Type: Application
    Filed: May 2, 2022
    Publication date: December 7, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Sang Hoo PARK, Jeong Su CHOI, Won Seok LEE, Roo Da LEE, Yeo Ju KIM, Jong Ju LEE
  • Publication number: 20230383041
    Abstract: The present disclosure relates to a thermoplastic resin composition which includes: a graft polymer including a rubber polymer having a gel content of 0 to 10 wt % and including an aromatic vinyl-based monomer unit and a diene-based monomer unit; and a shell including a (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit which are grafted to the rubber polymer; and a non-grafted polymer including a (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit, wherein the refractive indices of the graft polymer and the non-grafted polymer differ by 0.0100 or less.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 30, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Su CHOI, Won Seok LEE, Roo Da LEE, Sang Hoo PARK, Jong Ju LEE
  • Patent number: 11804179
    Abstract: An electroluminescent display device according to an embodiment of the present disclosure includes a pixel including a driving element having a gate electrode connected to a data line and a source electrode connected to a readout line, a sensing circuit configured to sense a voltage of the readout line which changes according to a pixel current flowing through the driving element during sensing operation, and a boosting circuit connected between the data line and the readout line and configured to change a voltage of the data line according to the changed voltage in the readout line during the sensing operation.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 31, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Min Kim, Hyuck Jun Kim, Ji Su Choi, Tae Young Lee
  • Patent number: 11763755
    Abstract: A light emitting display (LED) device can include a display panel configured to display an image; and a data driver including a panel driving circuit configured to drive the display panel and a panel sensing circuit configured to sense a condition of the display panel, in which the panel driving circuit includes a first data voltage output circuit to output a voltage to both of a first data line and a first reference line of the display panel to display black on a first sub-pixel included in the display panel.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: September 19, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyuck Jun Kim, Tae Young Lee, Ji Su Choi
  • Publication number: 20230231234
    Abstract: Disclosed are a pouch-shaped battery cell including a pouch-shaped battery case made of a laminate sheet, an electrode assembly received in the pouch-shaped battery case, and a venting portion configured to discharge gas in the pouch-shaped battery case, wherein the pouch-shaped battery case is provided with an opening, and the opening is opened or closed by the venting portion attached to the inside of the opening, and wherein the venting portion is opened to rapidly discharge gas when pressure in the pouch-shaped battery cell increases and reversibly blocks the inside and the outside of the battery cell, and a method of manufacturing the same.
    Type: Application
    Filed: November 18, 2020
    Publication date: July 20, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soo Ji Hwang, Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu, Na Yoon Kim
  • 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
  • Patent number: D997144
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chung-Ha Kim, Min-Young Park, Ji-Young Lee, Jong-Bo Jung, Hyok-Su Choi
  • Patent number: D997145
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chung-Ha Kim, Min-Young Park, Ji-Young Lee, Jong-Bo Jung, Hyok-Su Choi
  • Patent number: D997146
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chung-Ha Kim, Min-Young Park, Ji-Young Lee, Jong-Bo Jung, Hyok-Su Choi
  • Patent number: D1005283
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: November 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Keun Son, Ji Young Lee, Hyok Su Choi, Da Wi Lee
  • Patent number: D1006773
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Young Lee, Hyok-Su Choi, Chung-Ha Kim
  • Patent number: D1016030
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Young Lee, Hyok-Su Choi, Chung-Ha Kim, Jong-Bo Jung, Min-Young Park