Patents by Inventor Byeong-Beom Kim

Byeong-Beom Kim 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: 20240049414
    Abstract: An electronic device includes a display module that includes a foldable display portion and a non-foldable display portion, and a window disposed above the display module and that includes a foldable portion that corresponds to the foldable display portion and a non-foldable portion that corresponds to the non-foldable display portion. The window includes a first glass substrate, a second glass substrate that faces the first glass substrate, a protection layer that corresponds to the non-foldable portion and that is disposed between the first glass substrate and the second glass substrate and that includes an inorganic oxide, and a photoresist layer disposed between the protection layer and the first glass substrate. The first glass substrate includes a recessed portion that corresponds to the foldable portion formed on one surface adjacent to the protection layer.
    Type: Application
    Filed: July 14, 2023
    Publication date: February 8, 2024
    Inventors: BYEONG-BEOM KIM, Seung Kim, Seungho Kim, Cheolmin Park, Hyunchul Bae
  • Publication number: 20240022657
    Abstract: A window includes a first glass substrate, a second glass substrate facing the first glass substrate, and a bonding layer disposed between the first glass substrate and the second glass substrate. The window includes a first non-folding portion, a second non-folding portion, and a folding portion, the folding portion is disposed between the first non-folding portion and the second non-folding portion, and at least one of the first glass substrate and the second glass substrate includes a concave portion corresponding to the folding portion and defined on a surface adjacent to the bonding layer.
    Type: Application
    Filed: May 4, 2023
    Publication date: January 18, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHEOLMIN PARK, BYEONG-BEOM KIM, SEUNG KIM, SEUNGHO KIM, GYUIN SHIM
  • Patent number: 11668634
    Abstract: A window drop test apparatus includes a support protruding in a first direction from the prop, and a guide portion that defines a drop space together with the support, where a drop test is performed through the drop space.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yu Ri Kim, Hoi Kwan Lee, Min Ki Kim, Byeong-Beom Kim
  • Patent number: 11654671
    Abstract: A method for manufacturing a display device includes providing a first display device assembly comprising a display module, a first window disposed on the display module, a first window adhesive layer disposed between the display module and the first window, and a first protective layer disposed on the first window. The first protective layer is removed. The first window is removed by providing an acid solution on the first display device assembly. A second window is provided that is disposed on the display module after the first window is removed. A second protective layer is provided that is disposed on the second window after the first protective layer is removed.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheolmin Park, Byunghoon Kang, Byeong-Beom Kim, Seungho Kim, Changmoo Lee, Hoikwan Lee
  • Patent number: 11626572
    Abstract: In a method of fabricating a cover window, the method includes: forming, on a glass article having a flat upper surface, a mask layer including water glass and a recess portion having a partially recessed upper surface; and etching the mask layer and the glass article to form a cover window having a partially recessed upper surface.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Beom Kim, Min Ki Kim, Yu Ri Kim, Hoi Kwan Lee
  • Patent number: 11557641
    Abstract: A display device includes a display panel including panel pads adjacent to the side surface of a display panel; connection pads disposed on the side surface of the display panel and connected to the panel pads; and a circuit board disposed on the side surface of the display panel and including lead signal lines directly bonded to the connection pads, wherein the connection pads include a first connection pad, a second connection pad disposed on the first connection pad, and a third connection pad disposed on the second connection pad, and the first connection pad is in contact with corresponding one of the panel pads, and the third connection pad is directly bonded to corresponding one of the lead signal lines.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong Beom Kim, Min Ki Kim, Yu Ri Kim, Woo Suk Seo, Hoi Kwan Lee
  • Publication number: 20220339926
    Abstract: A method for manufacturing a display device includes providing a first display device assembly comprising a display module, a first window disposed on the display module, a first window adhesive layer disposed between the display module and the first window, and a first protective layer disposed on the first window. The first protective layer is removed. The first window is removed by providing an acid solution on the first display device assembly. A second window is provided that is disposed on the display module after the first window is removed. A second protective layer is provided that is disposed on the second window after the first protective layer is removed.
    Type: Application
    Filed: February 16, 2022
    Publication date: October 27, 2022
    Inventors: CHEOLMIN PARK, Byunghoon Kang, Byeong-Beom Kim, Seungho Kim, Changmoo Lee, Hoikwan Lee
  • Publication number: 20220321159
    Abstract: A cover window, a manufacturing method of a cover window, and a display device including a cover window are provided. A cover window includes a folding portion and a non-folding portion, and the folding portion includes an inside surface that is compressed when folded and an outside surface that is stretched when folded, the folding portion includes a first layer adjacent to the outside surface, a second layer adjacent to the inside surface, and a third layer between the first layer and the second layer, the folding portion and the non-folding portion include at least one metal ion, a concentration of the metal ion included in the second layer is higher than a concentration of the metal ion included in the first layer, and the first layer includes a plurality of depletion regions.
    Type: Application
    Filed: September 21, 2021
    Publication date: October 6, 2022
    Inventors: Byung Hoon KANG, Byeong-Beom KIM, Seung Ho KIM, Cheol Min PARK, Chang Moo LEE, Hoi Kwan LEE
  • Publication number: 20220017411
    Abstract: A method for manufacturing a window includes providing a base glass, and strengthening the base glass by exposing the base glass to a strengthening molten salt and an additive. The additive contains at least one of Al2(SO4)3, Al(NO3)3, K2SiO3, Na2SiO3, KCl, Ca(NO3)2, and Mg(NO3)2, and a window having good surface compressive stress and excellent surface chemical resistance may thus Ire provided.
    Type: Application
    Filed: April 23, 2019
    Publication date: January 20, 2022
    Inventors: HOIKWAN LEE, MINKI KIM, BYEONG-BEOM KIM, SEUNGHO KIM, YURI KIM, JONGHOON YEUM
  • Publication number: 20210387901
    Abstract: A glass article includes a flat portion and a side portion extending from the flat portion and bent in a thickness direction of the glass article, a base disposed on the flat portion and the side portion; and a Beilby layer disposed on the flat portion and not disposed on at least a part of the side portion.
    Type: Application
    Filed: April 5, 2021
    Publication date: December 16, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Ki KIM, Byeong Beom KIM, Seung Ho KIM, Yu Ri KIM, Hoi Kwan LEE
  • Publication number: 20210384456
    Abstract: In a method of fabricating a cover window, the method includes: forming, on a glass article having a flat upper surface, a mask layer including water glass and a recess portion having a partially recessed upper surface; and etching the mask layer and the glass article to form a cover window having a partially recessed upper surface.
    Type: Application
    Filed: March 11, 2021
    Publication date: December 9, 2021
    Inventors: Byeong Beom KIM, Min Ki KIM, Yu Ri KIM, Hoi Kwan LEE
  • Publication number: 20210302293
    Abstract: A window drop test apparatus includes a support protruding in a first direction from the prop, and a guide portion that defines a drop space together with the support, where a drop test is performed through the drop space.
    Type: Application
    Filed: November 16, 2020
    Publication date: September 30, 2021
    Inventors: Yu Ri KIM, Hoi Kwan LEE, Min Ki KIM, Byeong-Beom KIM
  • Patent number: 11114472
    Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: September 7, 2021
    Inventors: Byeong Beom Kim, Heon Sik Ha, Jin Ho Hwang
  • Publication number: 20210260846
    Abstract: A window includes a coating layer including a front surface, a rear surface, a first region having a constant distance between the front surface and the rear surface in a thickness direction, and a second region in which a distance between the front surface and the rear surface reduces in a direction away from the first region; and a bezel layer disposed on the rear surface of the coating layer, where the coating layer includes inorganic particles, an acrylate resin and an epoxy resin.
    Type: Application
    Filed: November 6, 2020
    Publication date: August 26, 2021
    Inventors: Byeong-Beom KIM, MINKI KIM, Yuri KIM, Hoikwan LEE
  • Publication number: 20210265446
    Abstract: A display device includes a display panel including panel pads adjacent to the side surface of a display panel; connection pads disposed on the side surface of the display panel and connected to the panel pads; and a circuit board disposed on the side surface of the display panel and including lead signal lines directly bonded to the connection pads, wherein the connection pads include a first connection pad, a second connection pad disposed on the first connection pad, and a third connection pad disposed on the second connection pad, and the first connection pad is in contact with corresponding one of the panel pads, and the third connection pad is directly bonded to corresponding one of the lead signal lines.
    Type: Application
    Filed: October 1, 2020
    Publication date: August 26, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Byeong Beom KIM, Min Ki KIM, Yu Ri KIM, Woo Suk SEO, Hoi Kwan LEE
  • Publication number: 20210188700
    Abstract: A glass article includes: a glass phase including a first structure in which a silicon atom is covalently bonded to four first oxygen atoms; and a plurality of crystals dispersed in the glass phase. The crystals include beta-quartz crystals, each of the beta-quartz crystals includes the first structure and a second structure in which aluminum is covalently bonded to four second oxygen atoms, and a crystallinity of the beta-quartz crystals is in a range of about 40% to about 50%.
    Type: Application
    Filed: August 19, 2020
    Publication date: June 24, 2021
    Inventors: Hoi Kwan LEE, Min Ki KIM, Byeong Beom KIM, Yu Ri KIM, Woo Suk SEO
  • Publication number: 20210171391
    Abstract: A method for manufacturing the window includes providing an initial window having a first compressive stress value and cleaning the initial window to provide a window having a second compressive stress value. The cleaning of the initial window includes acid cleaning the initial window by using acid, and alkali cleaning the initial window by using alkali after the acid cleaning. A linear relational expression is modeled between a difference between the first and second compressive stress values and a temperature and a holding time in the acid cleaning.
    Type: Application
    Filed: July 28, 2020
    Publication date: June 10, 2021
    Inventors: Yuri KIM, WOOSUK SEO, MINKI KIM, Byeong-Beom KIM, Hoikwan LEE
  • Patent number: 10825880
    Abstract: A display device includes: a substrate; a semiconductor on the substrate and including a driving channel; a first insulating layer on the semiconductor; a driving gate electrode on the first insulating layer and overlapping the driving channel; a second insulating layer on the driving gate electrode and the first insulating layer and including first and second dielectric constant layers, the second dielectric constant layer having a dielectric constant that is greater than that of the first dielectric constant layer; a storage electrode on the second insulating layer; a passivation layer covering the storage electrode and the second insulating layer; a pixel electrode on the passivation layer; an emission member on the pixel electrode; and a common electrode on the emission member, wherein the storage electrode overlaps the driving gate electrode, and wherein the storage electrode, the driving gate electrode and the second insulating layer therebetween form a storage capacitor.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Ho Hwang, Byeong-Beom Kim, Chul Min Bae, Woo-Seok Jeon
  • Publication number: 20200203388
    Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.
    Type: Application
    Filed: October 15, 2019
    Publication date: June 25, 2020
    Inventors: Byeong Beom KIM, Heon Sik HA, Jin Ho HWANG
  • Patent number: 10573701
    Abstract: An organic light emitting display device includes a substrate, an active layer, a gate electrode, a first high dielectric constant (hereinafter “high-k”) insulation structure, source and drain electrodes, and a light emitting structure. The active layer is disposed on the substrate. The gate electrode is disposed on the active layer. The first high-k insulation structure is disposed on the gate electrode and includes a carbon-doped first high-k insulation layer and a first ammonia layer on the carbon-doped first high-k insulation layer. The source and drain electrodes are disposed on the first high-k insulation structure and constitute a semiconductor element together with the active layer and the gate electrode. The light emitting structure is disposed on the source and drain electrodes.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo-Seok Jeon, Byeong-Beom Kim, Chulmin Bae, Jinho Hwang