Patents by Inventor Yoochul SUNG

Yoochul SUNG 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).

  • Display device and method of manufacturing the same
    Patent number: 10459278
    Abstract: A display device and a method of manufacturing the same are disclosed. The display device includes a lower substrate, subpixels positioned on the lower substrate, and a fine alignment key positioned in at least one of the subpixels. The method of manufacturing the display device includes forming an alignment key outside a target substrate and forming a fine alignment key inside an active area defined as a display area on the target substrate, aligning the target substrate and a mask substrate using the alignment key and the fine alignment key, and performing an exposure operation using the target substrate and the mask substrate.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: October 29, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Junghoon Kim, Yoochul Sung, Yeonock Ha, Byounghee Kim
  • DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180188595
    Abstract: A display device and a method of manufacturing the same are disclosed. The display device includes a lower substrate, subpixels positioned on the lower substrate, and a fine alignment key positioned in at least one of the subpixels. The method of manufacturing the display device includes forming an alignment key outside a target substrate and forming a fine alignment key inside an active area defined as a display area on the target substrate, aligning the target substrate and a mask substrate using the alignment key and the fine alignment key, and performing an exposure operation using the target substrate and the mask substrate.
    Type: Application
    Filed: December 26, 2017
    Publication date: July 5, 2018
    Inventors: Junghoon KIM, Yoochul SUNG, Yeonock HA, Byounghee KIM