Patents by Inventor Hyun-Gyu Choi

Hyun-Gyu Choi 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).

  • Portable terminal
    Patent number: 9618980
    Abstract: A portable terminal includes a body, and an input part on a side of the body, the input part having a changeable position.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyun-Gyu Choi
  • PORTABLE TERMINAL
    Publication number: 20140240276
    Abstract: A portable terminal includes a body, and an input part on a side of the body, the input part having a changeable position.
    Type: Application
    Filed: August 9, 2013
    Publication date: August 28, 2014
    Inventor: Hyun-Gyu CHOI
  • Soldering driving elements in LCD panels
    Publication number: 20070157464
    Abstract: An apparatus and method for soldering an LED driving element to an LCD panel includes a panel holding unit, a rotating unit and a soldering unit. The panel holding unit holds the display panel. The rotating unit supports the panel holding unit at initial radial and angular positions relative to a center of rotation of the rotating unit and rotates the holding unit in a horizontal plane about the center of rotation to selected angular positions relative thereto. The soldering unit is disposed above the rotating unit at the initial radial position and at a first angular position relative to initial angular position of the holding unit, and is operable to solder the driving element of the display panel held by the panel holding unit when the rotating unit rotates the panel holding unit to the first angular position. The apparatus and method provide improved display panel productivity.
    Type: Application
    Filed: October 5, 2006
    Publication date: July 12, 2007
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-Woo Jeon, Hyun-Gyu Choi, Hee-Young Park, Ho-Jeong Kang