Patents by Inventor Eehyun An

Eehyun An 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).

  • Apparatus for grinding a substrate and method of using the same
    Patent number: 9199355
    Abstract: An apparatus for grinding a substrate includes a stage part configured to support a substrate thereon, a grinding part, a camera part, a replacing part and a control unit. The grinding part includes a grinding wheel configured to grind an edge of the substrate. The camera part is configured to take a picture of the grinding wheel, analyze the picture of the grinding wheel and generate information about the grinding wheel. The replacing part includes a spare grinding wheel and is configured provide the spare grinding wheel to the grinding part or pick up the grinding wheel from the grinding part. The control unit is configured to receive the grinding wheel information from the camera part and offset compensate a position of the grinding wheel on the basis of the grinding wheel information or communicate with the replacing part to replace the grinding wheel on the basis of the grinding wheel information.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Inho Lee, Hwankyeong Jeong, Jinwoo Kim, Goangyoung Park, Sanghoon Back, Eehyun An
  • APPARATUS FOR GRINDING A SUBSTRATE AND METHOD OF USING THE SAME
    Publication number: 20130316618
    Abstract: An apparatus for grinding a substrate includes a stage part configured to support a substrate thereon, a grinding part, a camera part, a replacing part and a control unit. The grinding part includes a grinding wheel configured to grind an edge of the substrate. The camera part is configured to take a picture of the grinding wheel, analyze the picture of the grinding wheel and generate information about the grinding wheel. The replacing part includes a spare grinding wheel and is configured provide the spare grinding wheel to the grinding part or pick up the grinding wheel from the grinding part. The control unit is configured to receive the grinding wheel information from the camera part and offset compensate a position of the grinding wheel on the basis of the grinding wheel information or communicate with the replacing part to replace the grinding wheel on the basis of the grinding wheel information.
    Type: Application
    Filed: December 27, 2012
    Publication date: November 28, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: INHO LEE, Hwankyeong Jeong, Jinwoo Kim, Goangyoung Park, Sanghoon Back, Eehyun An