Patents by Inventor Seungwook Kwon

Seungwook Kwon 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: 20210159441
    Abstract: A display apparatus including a display panel having a folding portion about which the display panel is configured to fold, a first lower film and a second lower film on one surface of the display panel, the first lower film and the second lower film being spaced apart from each other, at least one bump on the first lower film or the second lower film, and a first sub-layer on the first lower film, in which, when the display panel is folded, the folding portion is configured to fold so that a surface of the display panel located further from the first sub-layer is exposed and the first sub-layer faces another surface of the display panel located closer to the first sub-layer, and a height of the at least one bump is approximately less than or equal to a thickness of the first sub-layer.
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Inventors: Ohjune KWON, Seungwook KWON, Minsang KIM, Seungyong Song
  • Publication number: 20210091343
    Abstract: A display device includes: a substrate including a display area, a first non-display area, a second non-display area, and a bending area; a display element disposed on a surface of the substrate; a resin layer disposed on another surface of the substrate to correspond to the display area, where the resin layer exposes at least a portion of the another surface; an external light-absorbing layer disposed on the another surface exposed by the resin layer; and a first protective layer disposed on the another surface of the substrate to correspond to the first non-display area.
    Type: Application
    Filed: June 23, 2020
    Publication date: March 25, 2021
    Inventors: Ungsoo LEE, Seungwook KWON, Kibeom LEE, Sooyoun KIM, Wooyong SUNG, Seoyeon LEE, Hyoungsub LEE, Moonwon CHANG
  • Patent number: 10930881
    Abstract: A foldable display apparatus includes: a foldable display panel having a folding portion about which display panel is configured to fold; a lower film on one surface of the display panel having two, spaced bumps disposed adjacent to and at opposite sides of the folding portion; and a sub-layer disposed on the lower film, wherein the folding portion is configured to fold so that the display panel faces exteriorly of the display panel and the sub-layer faces interiorly of the display panel, and wherein a sum of heights of the two bumps is approximately less than or equal to a sum of thicknesses of the two sub-layers at respective sides adjacent to the folding portion.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjune Kwon, Seungwook Kwon, Minsang Kim, Seungyong Song
  • Patent number: 10916735
    Abstract: A display device includes a display panel including: a bending area at which the display panel is bent with reference to a bending axis, and a non-bending area at which the display panel is not bent and at which an image is displayed; and a support member on which is supported the display panel, defining: a recessed portion disposed in the bending area; first and second bumps spaced apart from each other to define the recessed portion therebetween; and extensions extended from the first and second bumps, in a direction away from the recessed portion, to opposing ends of the support member, respectively. In cross-section, a size of the first bump is different from a size of the second bump.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ohjune Kwon, Moonwon Chang, Seungwook Kwon, Hyojeong Kwon, Doohwan Kim, Minsang Kim
  • Patent number: 10838113
    Abstract: A display device includes a display panel which includes a bending area which is bendable and includes a curvature area in a bent state, a protective film by which a first groove is defined, where the first groove corresponds to the curvature area, and an adhesive member disposed between the protective film and the display panel. The protective film includes a first inner side surface and a second inner side surface that define the first groove, and the first inner side surface and the second inner side surface have inclined shapes.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungwook Kwon, Ohjune Kwon, Hyojeong Kwon, Doohwan Kim, Minsang Kim
  • Publication number: 20200296801
    Abstract: A material-removing heater device including: a first terminal portion defining a first electrode; a second terminal portion defining a second electrode; and a heating portion which connects the first terminal portion to the second terminal portion, the heating portion heatable by a flow of electrical current from the first terminal portion to the second terminal portion to remove a portion of material of a display device. The heating portion defines a lower end surface of the material-removing heater device at which the material-removing heater device contacts the material of the display device, the heating portion disposes the lower end surface to have a concave shape, and the heating portion which is heated deforms the lower end surface from the concave shape to have a planar shape.
    Type: Application
    Filed: January 21, 2020
    Publication date: September 17, 2020
    Inventors: Ohjune KWON, Jungsik NAM, Seungwook KWON, Hyojeong KWON, Minsang KIM, Chanho MOON, Jeongseok LEE, Wonje CHO, Taekyoung HWANG
  • Patent number: 10755607
    Abstract: A display device includes a display panel having a first region, a second region spaced apart from the first region, and a bending region between the first region and the second region, the bending region being bent along a bending axis, a protective film including a first part on a first surface of the first region of the display panel, the first part having an opening at a center thereof that exposes the first surface of the display panel, and a second part on a first surface of the second region of the display panel, and a functional layer on the first surface of the display panel exposed by the opening.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsang Kim, Seungwook Kwon, Ohjune Kwon, Hyojeong Kwon, Doohwan Kim
  • Patent number: 10707441
    Abstract: Provided is a foldable display apparatus including: a display panel that is foldable; and a protection film on a surface of the display panel, the protection film including a thin film zone having a predetermined depth at a location corresponding to a folding portion of the display panel, wherein the thin film zone has edges wider than a central portion of the thin film zone.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjune Kwon, Doohwan Kim, Seungwook Kwon, Hyojeong Kwon, Minsang Kim
  • Patent number: 10693109
    Abstract: Provided herein is a method of manufacturing a substrate for a display device, the method including: preparing a supporting substrate having a first surface and a second surface opposite to the first surface; patterning a blocking film on the first surface of the supporting substrate; forming a substrate layer on the supporting substrate to cover the blocking film; removing at least a portion of the substrate layer to space the blocking film apart from the substrate layer by a predetermined distance; and separating the substrate layer from the supporting substrate.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: June 23, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sangwoo Kim, Jaemin Shin, Seungwook Kwon, Minwoo Kim, Wonsang Park, Jongho Hong
  • Publication number: 20200194708
    Abstract: A foldable display apparatus includes: a foldable display panel having a folding portion about which display panel is configured to fold; a lower film on one surface of the display panel having two, spaced bumps disposed adjacent to and at opposite sides of the folding portion; and a sub-layer disposed on the lower film, wherein the folding portion is configured to fold so that the display panel faces exteriorly of the display panel and the sub-layer faces interiorly of the display panel, and wherein a sum of heights of the two bumps is approximately less than or equal to a sum of thicknesses of the two sub-layers at respective sides adjacent to the folding portion.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 18, 2020
    Inventors: Ohjune KWON, Seungwook Kwon, Minsang Kim, Seungyong Song
  • Patent number: 10621909
    Abstract: A display device includes a display panel, a protection member, and an adhesive member between the protection member and the display panel. The display panel includes a first region, in which effective pixels are provided, a second region, in which ineffective pixels are provided, and a third region, in which a pixel is absent. The protection member is provided on a rear surface of the display panel and defines a first groove corresponding to the second region. The protection member includes a thermoplastic resin.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungwook Kwon, Ohjune Kwon, Hyojeong Kwon, Doohwan Kim, Minsang Kim
  • Patent number: 10608201
    Abstract: A foldable display apparatus includes a display panel that is foldable, and an expansion member located in a folding part of the display panel, the expansion member being expandable in response to stimulations.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjune Kwon, Seungwook Kwon, Hyojeong Kwon, Doohwan Kim, Minsang Kim, Seungyong Song
  • Patent number: 10608193
    Abstract: A display device includes: a substrate including a bending area at least partially bent around a bending axis extending in a first direction; a first organic layer on the substrate, where a plurality of first openings is defined in a portion of the first organic layer corresponding to the bending area; a first conductive layer on the portion of the first organic layer and covering at least a portion of the plurality of first openings; a second organic layer on the first conductive layer, where a plurality of second openings is defined in the second organic layer; and a second conductive layer on the second organic layer, covering at least a portion of the plurality of second openings, and electrically connected to the first conductive layer through the plurality of second openings.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsang Kim, Seungwook Kwon, Ohjune Kwon
  • Patent number: 10600991
    Abstract: A method of manufacturing a foldable display apparatus may include the steps of: disposing a protective film on one surface of a foldable display panel having a folding portion; removing at least a part of the protective film in the folding portion of the foldable display panel; and decreasing a height of at least one bump protruding from the protective film formed adjacent to the removed part of the protective film.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjune Kwon, Seungwook Kwon, Minsang Kim, Seungyong Song
  • Publication number: 20200091445
    Abstract: A display device includes a display panel that is bent with respect to a bending area. A coating layer is disposed below the display panel and may include a resin. A portion of the coating layer, which is adjacent to the bending area, may have a thickness that gradually decreases in a direction toward the bending area.
    Type: Application
    Filed: June 13, 2019
    Publication date: March 19, 2020
    Inventors: Seungwook KWON, Hyoungsub LEE, Wooyong SUNG
  • Patent number: 10535826
    Abstract: A foldable display apparatus includes a display panel that is foldable, a protective film, that is foldable, disposed on one surface of the display panel, and a sub-layer disposed on the protective film. A folding portion of the display apparatus includes a thin film zone, of the protective film, that is thinner than a main body of the protective film, and a pair of bumps disposed on opposing sides of the thin film zone, each of the pair of bumps having a thickness greater than that of the main body of the protective film. When the foldable display apparatus is in a folding state, a portion of the sub-layer is provided between the pair of bumps and is pressed by the pair of bumps.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: January 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsang Kim, Ohjune Kwon, Doohwan Kim, Seungwook Kwon, Hyojeong Kwon
  • Patent number: 10475859
    Abstract: An organic light-emitting display apparatus includes: a substrate including a display area and a peripheral area outside the display area; an alignment mark located in the peripheral area; and an insulating film located in the peripheral area and including a first opening through which at least a part of the alignment mark is exposed and a plurality of slits that extend from the first opening.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonwoo Choi, Seungwook Kwon, Seungho Yoon, Sangbong Lee
  • Patent number: 10446770
    Abstract: An OLED device includes a display panel including a display region and a pad region located at a first side of the display region. The pad region includes a bending region located in a portion of the pad region adjacent to the display region and in a pad electrode region located in a remaining portion of the pad region. A lower protection film is on a lower surface of the display panel and exposes a portion of the bending region. The lower protection film includes a first lower protection film including a first concave-convex pattern in the bending region adjacent to the display region. A second lower protection film is spaced apart from the first lower protection film and includes a second concave-convex pattern in the bending region adjacent to the pad electrode region. The second concave-convex pattern has a shape that is insertable into the first concave-convex pattern.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minsang Kim, Seungwook Kwon, Ohjune Kwon, Hyojeong Kwon, Doohwan Kim
  • Publication number: 20190280245
    Abstract: Provided is a foldable display apparatus including: a display panel that is foldable; and a protection film on a surface of the display panel, the protection film including a thin film zone having a predetermined depth at a location corresponding to a folding portion of the display panel, wherein the thin film zone has edges wider than a central portion of the thin film zone.
    Type: Application
    Filed: February 26, 2019
    Publication date: September 12, 2019
    Inventors: Ohjune Kwon, Doohwan Kim, Seungwook Kwon, Hyojeong Kwon, Minsang Kim
  • Publication number: 20190280244
    Abstract: A foldable display apparatus includes a display panel that is foldable, and an expansion member located in a folding part of the display panel, the expansion member being expandable in response to stimulations.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 12, 2019
    Inventors: Ohjune KWON, Seungwook KWON, Hyojeong KWON, Doohwan KIM, Minsang KIM, Seungyong SONG