Patents by Inventor Keun-Chang Lee

Keun-Chang Lee 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).

  • Method of manufacturing thin film transistor
    Patent number: 9691982
    Abstract: A method of manufacturing a thin film transistor is disclosed. In one aspect, the method includes forming an active layer over a substrate and forming a gate insulating layer containing a dopant over the active layer. The method also includes irradiating laser light onto the gate insulating layer such that the dopant of the gate insulating layer diffuses into the active layer.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 27, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Jin Park, Myung-Ho Kim, Jun-Hwan Moon, Keun-Chang Lee, Yoon-Jong Cho
  • METHOD OF MANUFACTURING THIN FILM TRANSISTOR
    Publication number: 20160013222
    Abstract: A method of manufacturing a thin film transistor is disclosed. In one aspect, the method includes forming an active layer over a substrate and forming a gate insulating layer containing a dopant over the active layer. The method also includes irradiating laser light onto the gate insulating layer such that the dopant of the gate insulating layer diffuses into the active layer.
    Type: Application
    Filed: December 11, 2014
    Publication date: January 14, 2016
    Inventors: Sang-Jin Park, Myung-Ho Kim, Jun-Hwan Moon, Keun-Chang Lee, Yoon-Jong Cho