Patents by Inventor Chang Hoon SIN

Chang Hoon SIN 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: 12090510
    Abstract: Provided is a method for preparing a silica layer, comprising bringing to gelation a precursor layer formed from a precursor composition comprising a silica precursor, an acid catalyst and a surfactant.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 17, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Taek Oh, Chang Hoon Sin, Kwang Seung Park, Moon Soo Park
  • Publication number: 20220332976
    Abstract: The present application relates to a film. The present application can provide a film having excellent optical characteristics such as transparency or haze, mechanical properties such as hardness, and flexibility, wherein the shape of the surface is controlled to be suitable for various uses, and the controlled surface shape has excellent durability.
    Type: Application
    Filed: December 18, 2020
    Publication date: October 20, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Taek OH, Kwang Seung PARK, Chang Hoon SIN
  • Publication number: 20210380772
    Abstract: The present application relates to a glass-like film. The present application can provide a glass-like film capable of solving the disadvantages of the glass material, while having at least one or more advantages of the glass material. Such a glass-like film of the present application can be easily formed through a simple low temperature process without using expensive equipment.
    Type: Application
    Filed: November 19, 2019
    Publication date: December 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Chang Hoon SIN, Kwang Seung PARK, Hyun Taek OH, Moon Soo PARK
  • Publication number: 20210380463
    Abstract: The present application relates to a silica glass film. The present application can provide, as a film having a silica network as a main component, a silica glass film capable of solving the disadvantages of the glass material, while having at least one or more advantages of the glass material. Such a silica glass film of the present application can be easily formed through a simple low temperature process without using expensive equipment.
    Type: Application
    Filed: November 19, 2019
    Publication date: December 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kwang Seung PARK, Hyun Taek OH, Chang Hoon SIN, Moon Soo PARK
  • Publication number: 20210309883
    Abstract: The present application relates to an optical laminate. The present application can provide an optical laminate having excellent surface properties such as scratch resistance or hardness, which comprises, for example, a cover layer capable of replacing a so-called cover glass.
    Type: Application
    Filed: November 19, 2019
    Publication date: October 7, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kwang Seung PARK, Chang Hoon SIN, Hyun Taek OH, Moon Soo PARK
  • Publication number: 20210178426
    Abstract: Provided is a method for preparing a silica layer, comprising bringing to gelation a precursor layer formed from a precursor composition comprising a silica precursor an acid catalyst and a surfactant.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 17, 2021
    Inventors: Hyun Taek OH, Chang Hoon SIN, Kwang Seung PARK, Moon Soo PARK