Patents by Inventor Sub HEO

Sub HEO 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: 12181755
    Abstract: A variable transmittance optical stack and a manufacturing method for the same, and a smart window including the same are proposed, and the variable transmittance optical stack includes a first polarizing plate, a first electrode layer formed on one surface of the first polarizing plate, a second polarizing plate opposing the first polarizing plate, a second electrode layer formed on one surface of the second polarizing plate, and opposing the first electrode layer, and a liquid crystal layer provided between the first electrode layer and the second electrode layer, wherein the first electrode layer and the second electrode layer includes conductive polymers, and the first electrode layer and the second electrode layer have physical alignment structures on at least a part of regions thereof by a rubbing manner.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: December 31, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hyung-Hun Kim, Jin-Ho Kim, Hyun-Sun Ryu, Sub Heo
  • Publication number: 20240353716
    Abstract: A liquid crystal package and a manufacturing method for the same, and an optical stack including the same, and a smart window including the same are proposed. The liquid crystal package includes a first protective film, a first alignment film formed on one surface of a first protective film, a second protective film opposing the first protective film, a second alignment film formed on one surface of the second protective film, and opposing the first alignment film, and a liquid crystal layer provided between the first alignment film and the second alignment film, and has a sealed structure with an outer circumferential surface thereof sealed.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hyung-Hun KIM, Jin-Ho KIM, Sub HEO
  • Publication number: 20240353718
    Abstract: A variable transmittance optical stack and a manufacturing method for the same, and a smart window including the same are proposed, and the variable transmittance optical stack includes a first polarizing plate, a first electrode layer formed on one surface of the first polarizing plate, a second polarizing plate opposing the first polarizing plate, a second electrode layer formed on one surface of the second polarizing plate, and opposing the first electrode layer, and a liquid crystal layer provided between the first electrode layer and the second electrode layer, wherein the first electrode layer and the second electrode layer includes conductive polymers, and the first electrode layer and the second electrode layer have physical alignment structures on at least a part of regions thereof by a rubbing manner.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hyung-Hun KIM, Jin-Ho KIM, Hyun-Sun RYU, Sub HEO
  • Publication number: 20240288615
    Abstract: A variable transmittance optical stack a manufacturing method therefor, a smart window including the same, and windows for an automobile or a building using the same are proposed.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 29, 2024
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hyun-Sun RYU, Jin-Ho KIM, Hyun-Seong KIM, Ju-Seob CHOI, Sub HEO