Patents by Inventor Yu Choi Kim

Yu Choi 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).

  • Publication number: 20240132640
    Abstract: Provided are a monomer composition for producing a superabsorbent polymer film, the monomer composition comprising an acrylic acid-based monomer having acidic groups, at least part of which is neutralized, a crosslinking agent, a cellulose-based thickener, a moisturizer, a polymerization initiator, a polyvalent metal salt, and a solvent, and being capable of producing a superabsorbent polymer film showing excellent absorption performances, particularly, an improved initial absorption rate while having a thin thickness, a method of producing a superabsorbent polymer film using the same, and a superabsorbent polymer film produced therefrom.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 25, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Seung Wook Cho, Kiyoul Yoon, Yu Jin Kim, Seongkyun Kang, Kookhyun Choi, Gicheul Kim
  • Patent number: 11615737
    Abstract: A display device includes pixels, and first, second, and third gate lines and data lines connected to the pixels. At least one of the pixels includes a light emitting element, a first transistor connected between a first power source and the light emitting element for driving the light emitting element according to a voltage of a first node, a second transistor connected between the first node and a corresponding data line, and driven according to a voltage of a corresponding first gate line, a capacitor connected between the first node and a second node between the first transistor and the light emitting element, a third transistor between the second node and an initialization power line, and driven according to a voltage of a corresponding second gate line, and a fourth transistor connected between the first and second nodes, and driven according to a voltage of a corresponding third gate line.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yu Choi Kim, Joon Chui Goh, Jin Wook Yang, Bong Hyun You