Patents by Inventor Hee Uk Chung

Hee Uk Chung 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).

  • Stocking system
    Patent number: 8152431
    Abstract: The present invention relates generally to a stocking system and its operating method. The stocking system comprises a shelf assembly, a first crane, and a second crane. The shelf assembly stores a plurality of cassettes. The first crane is installed at one side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly. The second crane is installed at the other side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: April 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Hee Uk Chung
  • Panel receiving device
    Patent number: 7978279
    Abstract: A panel receiving device enables anti-electrostatic ions to contact surfaces of panels. The panel receiving device includes at least three panel guides arranged at inner sides within an exterior case. Each panel guide includes support plates for supporting and securing the panels, wherein the support plates contact a minimal area of each of the panels.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: July 12, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Hee Uk Chung
  • Exposing apparatus having substrate chuck of good flatness
    Patent number: 7916277
    Abstract: An exposing apparatus maintains uniformly a gap between a substrate and a mask stage. The substrate is disposed on a substrate chuck and the substrate chuck is supported by gap motors and air cylinders. The gap motors control the gap between the substrate and the mask stage and the air cylinders support the deflect portion of the substrate chuck to maintain the flatness of the whole area of the substrate.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: March 29, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Uk Chung, Sang-Hwan Cha
  • Stocking system
    Patent number: 7611323
    Abstract: The present invention relates generally to a stocking system and its operating method. The stocking system comprises a shelf assembly, a first crane, and a second crane. The shelf assembly stores a plurality of cassettes. The first crane is installed at one side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly. The second crane is installed at the other side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: November 3, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Hee Uk Chung
  • Stocking system
    Publication number: 20090238666
    Abstract: The present invention relates generally to a stocking system and its operating method. The stocking system comprises a shelf assembly, a first crane, and a second crane. The shelf assembly stores a plurality of cassettes. The first crane is installed at one side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly. The second crane is installed at the other side of the shelf assembly and loads/unloads the cassettes to/from the shelf assembly.
    Type: Application
    Filed: May 21, 2009
    Publication date: September 24, 2009
    Inventor: Hee Uk Chung
  • Exposing apparatus having substrate chuck of good flatness
    Publication number: 20070008513
    Abstract: An exposing apparatus comprises a mask stage, a supporter that supports the mask stage, a substrate below the mask stage, and a substrate chuck that supports the substrate. The exposing apparatus further comprises a substrate chuck moving mechanism that moves the substrate chuck, a gap motor unit installed on the substrate chuck moving mechanism that controls a gap between the substrate and the mask stage, and a substrate chuck flatness maintaining mechanism that maintains a flatness of the substrate chuck.
    Type: Application
    Filed: May 30, 2006
    Publication date: January 11, 2007
    Inventors: Hee-Uk Chung, Sang-Hwan Cha
  • Panel receiving device
    Publication number: 20030214614
    Abstract: A panel receiving device enables anti-electrostatic ions to contact surfaces of panels. The panel receiving device includes at least three panel guides arranged at inner sides within an exterior case. Each panel guide includes support plates for supporting and securing the panels, wherein the support plates contact a minimal area of each of the panels.
    Type: Application
    Filed: December 30, 2002
    Publication date: November 20, 2003
    Inventor: Hee Uk Chung