Patents by Inventor Doo-Hyn YOON

Doo-Hyn YOON 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: 11201197
    Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an insulating film on the substrate; a bank on the insulating film, wherein the bank partitions the plurality of pixels; a first trench in the bank; and a second trench in the insulating film. A method of manufacturing a display device includes: forming a first lower metal layer and a second metal layer in patterns on a substrate; forming a first insulating film on the first lower metal layer and the second lower metal layer; forming a second insulating film on the first insulating film; forming a first trench to expose the second lower metal layer by performing a first etching process; and forming a second trench by performing a second etching process to etch the second lower metal layer exposed from a bottom of the first trench.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: December 14, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeong-Jun Lim, Doo-Hyn Yoon, Han-Sun Park
  • Publication number: 20200044001
    Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an insulating film on the substrate; a bank on the insulating film, wherein the bank partitions the plurality of pixels; a first trench in the bank; and a second trench in the insulating film. A method of manufacturing a display device includes: forming a first lower metal layer and a second metal layer in patterns on a substrate; forming a first insulating film on the first lower metal layer and the second lower metal layer; forming a second insulating film on the first insulating film; forming a first trench to expose the second lower metal layer by performing a first etching process; and forming a second trench by performing a second etching process to etch the second lower metal layer exposed from a bottom of the first trench.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Hyeong-Jun LIM, Doo-Hyn YOON, Han-Sun PARK