Patents by Inventor Woo Kyoung Jin

Woo Kyoung Jin 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).

  • Light-emitting device
    Patent number: 11695097
    Abstract: A light-emitting device according to the present invention comprises, an electrode unit including a first electrode and a second electrode spaced apart from each other, with electrical signals having different polarity applying the first and second electrode, respectively; a first stimulation unit disposed on one surface of the electrode unit and having a first stimulation reaction layer expressing variable luminance according to a first stimulation; and a second stimulation unit disposed on the other surface facing the one surface of the electrode unit, and having a second stimulation reaction layer expressing a variable luminance according to a second stimulation different from the first stimulation.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: July 4, 2023
    Assignee: UNIVERSITY-INDUSTRY FOUNDATION (UIF), YONSEI UNIVERSITY
    Inventors: Cheolmin Park, Woo Kyoung Jin, Eui Hyuk Kim
  • LIGHT-EMITTING DEVICE
    Publication number: 20210159439
    Abstract: A light-emitting device according to the present invention comprises, an electrode unit including a first electrode and a second electrode spaced apart from each other, with electrical signals having different polarity applying the first and second electrode, respectively; a first stimulation unit disposed on one surface of the electrode unit and having a first stimulation reaction layer expressing variable luminance according to a first stimulation; and a second stimulation unit disposed on the other surface facing the one surface of the electrode unit, and having a second stimulation reaction layer expressing a variable luminance according to a second stimulation different from the first stimulation.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Inventors: Cheolmin Park, Woo Kyoung Jin, Eui Hyuk Kim