Patents by Inventor Chihyeon Cho

Chihyeon Cho 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: 10261420
    Abstract: The present application discloses an ultraviolet (UV) mask device and a method for using the UV mask device. The UV mask device includes: a platform, configured for carrying a substrate thereon; a mask substrate, configured above the platform for fixing a mask corresponding to the substrate on the platform; and a light source array, configured above the mask substrate by a first distance and including a plurality of UV light-emitting diodes (UV LEDs) emitting light having a first single central wavelength.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: April 16, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jaehong Kim, Chihyeon Cho, Fuqiang Zhang
  • Publication number: 20180210344
    Abstract: The present application discloses an ultraviolet (UV) mask device and a method for using the UV mask device. The UV mask device includes: a platform, configured for carrying a substrate thereon; a mask substrate, configured above the platform for fixing a mask corresponding to the substrate on the platform; and a light source array, configured above the mask substrate by a first distance and including a plurality of UV light-emitting diodes (UV LEDs) emitting light having a first single central wavelength.
    Type: Application
    Filed: February 15, 2017
    Publication date: July 26, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jaehong Kim, Chihyeon Cho, Fuqiang Zhang