Patents by Inventor Hun-Jung Park

Hun-Jung Park 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).

  • Mask inspection apparatus and method of controlling the same
    Patent number: 9519212
    Abstract: A mask inspection apparatus includes a mask transfer unit configured to transfer a mask in one of a first direction and a direction opposite to the first direction, a displacement sensor unit configured to measure a distance to a sheet of the mask transferred by the mask transfer unit, a photographic unit configured to photograph the sheet of the mask transferred by the mask transfer unit, a control unit configured to send a height control signal for controlling a height of the photographic unit according to the measured distance, and a height control unit configured to control the height of the photographic unit according to the height control signal sent by the control unit.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: December 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hun-Jung Park
  • MASK INSPECTION APPARATUS AND METHOD OF CONTROLLING THE SAME
    Publication number: 20140168410
    Abstract: A mask inspection apparatus includes a mask transfer unit configured to transfer a mask in one of a first direction and a direction opposite to the first direction, a displacement sensor unit configured to measure a distance to a sheet of the mask transferred by the mask transfer unit, a photographic unit configured to photograph the sheet of the mask transferred by the mask transfer unit, a control unit configured to send a height control signal for controlling a height of the photographic unit according to the measured distance, and a height control unit configured to control the height of the photographic unit according to the height control signal sent by the control unit.
    Type: Application
    Filed: August 13, 2013
    Publication date: June 19, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Hun-Jung Park