Patents by Inventor Junwoo YOO

Junwoo YOO 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).

  • Reflective display device
    Patent number: 11353739
    Abstract: A display device apparatus provides an increased color reproduction rate and/or contrast ratio. The display device includes a first substrate; a second substrate disposed on the first substrate; and a liquid crystal layer arranged between the first substrate and the second substrate. A reflective layer is disposed on the first substrate, a polarizing layer is disposed on one surface of the second substrate, and a metasurface pattern layer is disposed on the second substrate. The metasurface pattern layer includes a third substrate and a first metasurface pattern disposed on the third substrate.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junwoo Yoo, Donghyeon Lee, Sunhee Oh, Taeho Lee
  • REFLECTIVE DISPLAY DEVICE
    Publication number: 20190196267
    Abstract: A display device apparatus provides an increased color reproduction rate and/or contrast ratio. The display device includes a first substrate; a second substrate disposed on the first substrate; and a liquid crystal layer arranged between the first substrate and the second substrate. A reflective layer is disposed on the first substrate, a polarizing layer is disposed on one surface of the second substrate, and a metasurface pattern layer is disposed on the second substrate. The metasurface pattern layer includes a third substrate and a first metasurface pattern disposed on the third substrate.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Junwoo YOO, Donghyeon Lee, Sunhee Oh, Taeho Lee