Patents by Inventor Dae-Seung Mun

Dae-Seung Mun 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 display device and laser device used therein
    Patent number: 11292083
    Abstract: A method of manufacturing a display device includes attaching a protective film onto a display panel that includes a display area and a pad area, where the protective film includes an adhesive layer and a protective layer disposed on the adhesive layer, half-cutting the protective film along a cutting line between the display area and the pad area such that a total thickness of the protective layer and a partial thickness of the adhesive layer are cut, irradiating a partially cut portion of the adhesive layer with a laser beam along at least a portion of the cutting line, and detaching a portion of the protective film that corresponds to the pad area along the cutting line.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Duk Roh, Dae-Seung Mun, Kwangmin Lee, Hun So
  • METHOD OF MANUFACTURING DISPLAY DEVICE AND LASER DEVICE USED THEREIN
    Publication number: 20200406397
    Abstract: A method of manufacturing a display device includes attaching a protective film onto a display panel that includes a display area and a pad area, where the protective film includes an adhesive layer and a protective layer disposed on the adhesive layer, half-cutting the protective film along a cutting line between the display area and the pad area such that a total thickness of the protective layer and a partial thickness of the adhesive layer are cut, irradiating a partially cut portion of the adhesive layer with a laser beam along at least a portion of the cutting line, and detaching a portion of the protective film that corresponds to the pad area along the cutting line.
    Type: Application
    Filed: February 4, 2020
    Publication date: December 31, 2020
    Inventors: JONG-DUK ROH, DAE-SEUNG MUN, KWANGMIN LEE, HUN SO
  • Cell cutting device and cell cutting method
    Patent number: 10640413
    Abstract: A cell cutting device and a cell cutting method are disclosed. The cell cutting device includes a loading stage configured to load a display sheet including a plurality of display cells, a rotation driving unit connected to the loading stage and configured to rotate the loading stage and to separate the display sheet into the plurality of display cells, and a position change unit connected to the loading stage and configured to change a position of the loading stage.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Pil Lee, Myeong-Lyeol Yu, Dae-Seung Mun
  • CELL CUTTING DEVICE AND CELL CUTTING METHOD
    Publication number: 20170050876
    Abstract: A cell cutting device and a cell cutting method are disclosed. The cell cutting device includes a loading stage configured to load a display sheet including a plurality of display cells, a rotation driving unit connected to the loading stage and configured to rotate the loading stage and to separate the display sheet into the plurality of display cells, and a position change unit connected to the loading stage and configured to change a position of the loading stage.
    Type: Application
    Filed: October 18, 2016
    Publication date: February 23, 2017
    Inventors: JAE-PIL LEE, MYEONG-LYEOL YU, DAE-SEUNG MUN
  • CELL CUTTING DEVICE AND CELL CUTTING METHOD
    Publication number: 20130341372
    Abstract: A cell cutting device and a cell cutting method are disclosed. The cell cutting device includes a loading stage configured to load a display sheet including a plurality of display cells, a rotation driving unit connected to the loading stage and configured to rotate the loading stage and to separate the display sheet into the plurality of display cells, and a position change unit connected to the loading stage and configured to change a position of the loading stage.
    Type: Application
    Filed: October 26, 2012
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Pil Lee, Myeong-Lyeol Yu, Dae-Seung Mun
  • Substrate etching apparatus
    Patent number: 8308894
    Abstract: A substrate etching apparatus includes a supporting unit for supporting substrate in a vertical position and an etching solution supply unit disposed above the substrate to supply an etching solution to the top of the substrate such that the etching solution runs down both of faces of the substrate from the top of the substrate.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: November 13, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Seung Mun, Joo-Heon Kim
  • Substrate etching apparatus
    Publication number: 20100012272
    Abstract: A substrate etching apparatus includes a supporting unit for supporting substrate in a vertical position and an etching solution supply unit disposed above the substrate to supply an etching solution to the top of the substrate such that the etching solution runs down both of faces of the substrate from the top of the substrate.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 21, 2010
    Inventors: Dae-Seung Mun, Joo-Heon Kim