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).

  • Publication number: 20240099105
    Abstract: A display device and method for manufacturing thereof are provided. The display device includes a substrate having a display area and a non-display area, and including an edge, an upper surface having an edge area in which a processing trace remains adjacent to the edge, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel thereto, and a first inclined surface connected to the side surface and to the bottom surface, a light-emitting element layer above the upper surface of the substrate in the display area, and including light-emitting elements, an encapsulating layer above the light-emitting element layer and corresponding to a portion of the display area and the non-display area, and a protective layer above an outer surface of the substrate, and located on at least one of the bottom surface, the side surface, or the first inclined surface.
    Type: Application
    Filed: May 9, 2023
    Publication date: March 21, 2024
    Inventors: Wan Jung KIM, Dae Sang YUN, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, So Young LEE, Young Hoon LEE
  • Publication number: 20240096273
    Abstract: A display device includes: a substrate including a display area and a non-display area surrounding the display area; a light emitting element layer on the display area on the substrate and including a plurality of light emitting elements; and an encapsulating layer on the light emitting element layer and on a portion of the display area and the non-display area; and wherein the substrate comprises an upper surface on which the light emitting element layer is located, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel to the upper surface, and a first inclined surface connected to the side surface and the bottom surface and not parallel to the side surface and the bottom surface, wherein an edge area of the upper surface of the substrate adjacent to an edge of the substrate, in which a processing trace remains.
    Type: Application
    Filed: July 12, 2023
    Publication date: March 21, 2024
    Inventors: Wan Jung KIM, Dae Sang YUN, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, So Young LEE, Young Hoon LEE
  • Publication number: 20240081139
    Abstract: A display device includes: a substrate comprising an upper surface, a bottom surface facing the upper surface, and a through hole penetrating the upper surface and the bottom surface; and a light emitting element layer on the upper surface of the substrate, wherein the substrate comprises a side surface that meets the upper surface in the through hole, a first surface that meets the bottom surface, a second surface that meets the side surface, and a third surface between the first surface and the second surface, and wherein the first surface and the second surface are spaced apart from each other with the third surface therebetween, and are inclined surfaces.
    Type: Application
    Filed: April 27, 2023
    Publication date: March 7, 2024
    Inventors: Hyo Young MUN, Yi Seul UM, Wan Jung KIM, Kyung Ah NAM, Yong Seung PARK, Dae Sang YUN, So Young LEE, Young Hoon LEE
  • Publication number: 20240074258
    Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.
    Type: Application
    Filed: May 5, 2023
    Publication date: February 29, 2024
    Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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