Patents by Inventor Cheol-Lee Roh

Cheol-Lee Roh 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).

  • Substrate cutting apparatus and method of cutting substrate using the same
    Patent number: 8383983
    Abstract: A substrate cutting apparatus including: a stage to support a substrate; a laser generator to emit a laser beam; a beam oscillator to oscillate the laser beam onto a cutting line of the substrate, to heat the substrate; and a cooling unit to cool the heated substrate.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Chul Lee, Cheol-Lee Roh, Gyoo-Wan Han, Seung-Ho Myoung, Jong-Heon Kim, Joon-Hyung Kim, Sung-Gon Kim, Yong-Jin Lee
  • SUBSTRATE CUTTING APPARATUS AND METHOD OF CUTTING SUBSTRATE USING THE SAME
    Publication number: 20100243628
    Abstract: A substrate cutting apparatus including: a stage to support a substrate; a laser generator to emit a laser beam; a beam oscillator to oscillate the laser beam onto a cutting line of the substrate, to heat the substrate; and a cooling unit to cool the heated substrate.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 30, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hyun-Chul LEE, Cheol-Lee Roh, Gyoo-Wan Han, Seung-Ho Myoung, Jong-Heon Kim, Joon-Hyung Kim, Sung-Gon Kim, Yong Jin Lee