Patents by Inventor Hyun-Sun RYU

Hyun-Sun RYU 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).

  • OPTICAL STACK, AND MANUFACTURING METHOD FOR SAME, AND SMART WINDOW INCLUDING SAME
    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
  • OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW COMPRISING SAME, AND DOOR AND WINDOW FOR AUTOMOBILE AND BUILDING USING SAME
    Publication number: 20240345302
    Abstract: The present invention relates to a variable transmittance optical laminate and a manufacturing method therefor, a smart window comprising same, and a door and window for an automobile and a building to which same is applied.
    Type: Application
    Filed: September 20, 2022
    Publication date: October 17, 2024
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventor: Hyun-Sun RYU
  • Vibration motor assembly of seat
    Patent number: 12103451
    Abstract: An embodiment vibration motor assembly of a seat includes a vibration motor and an upper housing disposed around the vibration motor to hold and fix the vibration motor, the upper housing configured to be fixed to a pad of the seat, and the upper housing including a holding part disposed at a circumference of a front surface of the upper housing to hold a circumference of the vibration motor and a fixing part protruding from a rear surface of the upper housing to cover and fix a rear surface of the vibration motor.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: October 1, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc., Jahwa Electronics Co., Ltd.
    Inventors: Sang-Hark Lee, Sang-Do Park, Hyun-Seok Song, Chan-Ho Jung, Hyun-Gyu Sung, Jong-Su Ryu, Sang-In Woo, Ho-Suk Jung, Tae-Hyoung Yang, Deok-Soo Lim, Sang-Soo Lee, Jung-Sang You, Sang-Gyu Byeon, Beom-Sun Kim
  • OPTICAL STACK, AND MANUFACTURING METHOD FOR SAME, AND SMART WINDOW INCLUDING SAME, AND AUTOMOBILE OR WINDOWS FOR BUILDING USING SAME
    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
  • OPTICAL STACK, AND MANUFACTURING METHOD FOR SAME, AND SMART WINDOW INCLUDING SAME, AND AUTOMOBILE OR WINDOWS FOR BUILDING USING SAME
    Publication number: 20240288729
    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-Seong KIM, Jin-Ho KIM, Hyun-Sun RYU, Ju-Seob CHOI
  • SEPARATOR AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20240250382
    Abstract: The present invention provides a separator that is formed of a porous film that has a hydrophobic region containing a polyolefin, and a hydrophilic region containing a hydrophilic polymer dispersed in the hydrophobic region, wherein the content of the hydrophilic region in the porous film is 0.1 to 7.5 wt %, and a method of manufacturing the same.
    Type: Application
    Filed: April 2, 2024
    Publication date: July 25, 2024
    Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Kyoung Sun RYU, Hyun Joo KIM, Jin Hyun JEONG, Byung Hyun KIM, Bom Yi LEE