Patents by Inventor Jeong Woong Choi

Jeong Woong 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: 20240186521
    Abstract: A positive electrode according to one embodiment of the present technology is a positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer includes a lithium transition metal phosphate and a fluorine-based binder, and, in a flexibility evaluation, in which the positive electrode is lifted after bringing measuring rods for each phi (?) into contact with the positive electrode active material layer, a ratio value (=P/D) of a porosity (P) of the positive electrode active material layer calculated by the disclosed Equation 1 to a maximum phi value (D) of the measuring rod at which a crack occurs is greater than or equal to 10.
    Type: Application
    Filed: December 1, 2023
    Publication date: June 6, 2024
    Applicant: LG ENERGY SOLUTION, Ltd.
    Inventors: Kwang Jin Kim, O Jong Kwon, Jung Hun Choi, Da Young Lee, Jin Su Sung, Jeong Hwa Park, Geum Jae Han, Ki Woong Kim, In Gu An
  • Publication number: 20240149109
    Abstract: A knee joint rehabilitation apparatus for a wheelchair includes a rehabilitation apparatus frame having a height corresponding to a length of each of legs of a patient sitting on the wheelchair; an upper leg support disposed at an upper end of the rehabilitation apparatus frame and supporting upper legs of the patient thereon while the patient is sitting on the wheelchair; a lower leg support pivotably connected to the upper leg support, wherein the lower legs of the patient are seated and supported on the lower leg support; and an exercise control unit disposed on the rehabilitation apparatus frame and configured to allow the lower leg support to pivot around a connection portion between the lower leg support and the upper leg support such that the patient performs rehabilitation exercise of the knee joint thereof while sitting on the wheelchair.
    Type: Application
    Filed: January 10, 2022
    Publication date: May 9, 2024
    Applicant: HEXARHUMANCARE CO., LTD
    Inventors: Chang Soo HAN, Ho Jun KIM, Su Hyu PARK, Young Hoon JI, Jeong Ho CHO, Byung Gab RYU, Jeong Gyu PARK, Dong Eun CHOI, Cheol Woong AHN
  • Publication number: 20240154127
    Abstract: A positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer including a lithium transition metal phosphate, a fluorine-based binder, and a conductive material. The lithium transition metal phosphate includes a carbon coating layer formed on a surface thereof, and a ratio (B/A) of a total weight (B) of the fluorine-based binder to a total weight (A) of carbon of the conductive material and the lithium transition metal phosphate in the positive electrode active material layer is 0.7 to 1.7.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Geum Jae Han, O Jong Kwon, Kwang Jin Kim, Ki Woong Kim, In Gu An, Jung Hun Choi, Da Young Lee, Jin Su Sung, Jeong Hwa Park
  • Publication number: 20240119949
    Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
  • Publication number: 20030044727
    Abstract: Provided is a method for forming barrier ribs of a plasma display panel (PDP), in which the rear substrate is protected from camber and damage occurring in the pressing process, and the mold can be separated easily by manufacturing a soft mold using elastic silicon rubber and forming uniform barrier ribs in a press method using the soft mold. In addition, a method for manufacturing a transparent soft mold is suggested, and uniform barrier ribs are formed by pressing a photosensitive barrier rib paste with the transparent soft mold, exposing them to a particular light source to reduce contact surface between the mold and the paste and thus make the mold separated easily.
    Type: Application
    Filed: August 16, 2002
    Publication date: March 6, 2003
    Inventors: Lee Soon Park, Seung Won Jeong, Kyoung Seok Shin, Bok Sik Song, Keon Hwan Kim, Kwang Ho Lee, Jeong Woong Choi, Jong Woo Park, Sin Hye Paek
  • Publication number: 20030040245
    Abstract: Provided is a plasma display panel (PDP) manufacturing technology, and more particularly, to a method for manufacturing an additive soft mold forming barrier ribs of a PDP and a method for forming barrier ribs of a PDP that can prevent camber and damage of a glass substrate, produce barrier ribs with uniform height, and make the soft mold separated easily. In this research, an additive soft mold is manufactured using an elastic rubber material, and barrier ribs of a PDP are formed by using the additive soft mold. In particular, the barrier rib paste can be filled by polishing the rear surface of the soft mold and forming an opening, using a squeezer instead of performing a pressing process. When a photopolymerizing photosensitive paste is used as a paste for forming barrier ribs, and it is exposed to UV light, the soft mold can be separated easily from the paste, because the polymer in the paste shrinks due to the polymerization reaction.
    Type: Application
    Filed: August 16, 2002
    Publication date: February 27, 2003
    Inventors: Bok Sik Song, Keon Hwan Kim, Kwang Ho Lee, Jeong Woong Choi, Lee Soon Park, Seung Won Jeong, Sin Hye Paek, Sang Won Yun, Kyoung Seok Shin