Patents by Inventor Donghwan Shim

Donghwan Shim 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: 20210126224
    Abstract: A display apparatus includes: a substrate including a display area and a peripheral area around the display area, the substrate having a bent portion; a plurality of display elements in the display area; and a thin film encapsulation layer over the plurality of display elements and including a first encapsulation layer, a second encapsulation layer over the first encapsulation layer, and an organic encapsulation layer between the first encapsulation layer and the second encapsulation layer, wherein the second encapsulation layer includes a plurality of inorganic thin layers and a plurality of organic thin layers alternately arranged, and a thickness of the second encapsulation layer is equal to or less than a thickness of the first encapsulation layer.
    Type: Application
    Filed: September 17, 2020
    Publication date: April 29, 2021
    Inventors: Sunhee LEE, Sunho KIM, Gunhee KIM, Donghwan SHIM, Taehoon YANG
  • Patent number: 10980137
    Abstract: A display apparatus includes a window member, a display panel and a support member. The window member includes a window flat portion, and a window bent portion which extends bent from the window flat portion. The display panel includes an upper flat portion overlapping with the window flat portion, an upper bent portion extending bent from the upper flat portion to extend along the window bent portion, and a lower bent portion extending from the upper bent portion and bent toward a center of the upper flat portion. The support member disposes the display panel between the window member and the support member and extends along the lower bent portion of the display panel. Each of the upper flat portion and the upper bent portion is a display area of the display panel, and the lower bent portion is a non-display area of the display panel.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seonbeom Ji, Jonghyun Choi, Donghwan Shim, Seungmin Lee
  • Publication number: 20210091330
    Abstract: An OLED display device including: a substrate including a display area and a non-display area; an organic light emitting element including a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer; a first conductive line at the non-display area of the substrate; a first organic layer on the first conductive line; a second conductive line on the first organic layer and connected to the first conductive line; a second organic layer on the second conductive line; and a third conductive line on the second organic layer and connected to the second conductive line. The third conductive line is connected to the second electrode. The first electrode is at the display area of the substrate.
    Type: Application
    Filed: November 2, 2020
    Publication date: March 25, 2021
    Inventors: Taehyun KIM, Seungmin LEE, Seonyoung CHOI, Sangho PARK, Donghwan SHIM, Jungkyu LEE, Seunghwan CHO
  • Publication number: 20210066436
    Abstract: A display apparatus includes a plurality of data lines in a display area, a plurality of display elements in the display area and connected to the plurality of data lines, and a plurality of wirings in the display area and connected to the plurality of data lines, the plurality of wirings being configured to transfer data signals from a driving circuit to the plurality of data lines, the driving circuit being located in a peripheral area outside the display area, each of the plurality of wirings including a plurality of branches protruding from corresponding ones of the wirings in a direction perpendicular to an extension direction of the corresponding ones of the wirings, and end portions of each of the plurality of branches having an oblique shape inclined from the extension direction of the wiring in a plan view.
    Type: Application
    Filed: July 22, 2020
    Publication date: March 4, 2021
    Inventors: Donghwan SHIM, Seunghwan CHO, Jonghyun CHOI, Minjoo KIM, Sunho KIM, Hoongi LEE
  • Publication number: 20210053336
    Abstract: A display device includes a window including a planar portion and a bending portion that is bent from the planar portion. A display module is disposed below the window. The display module includes a central portion overlapping the planar portion and an edge portion overlapping the bending portion. An adhesive member including an adhesive layer is disposed between the window and the display module. A lubrication layer overlaps at least a portion of the adhesive layer.
    Type: Application
    Filed: June 23, 2020
    Publication date: February 25, 2021
    Inventors: TAE HYUN KIM, Seungnim Lee, Minjoo Kim, Donghwan Shim, Jungkyu Lee
  • Patent number: 10930884
    Abstract: An organic light-emitting display device includes a substrate and a display area over the substrate. The display area includes a plurality of organic light-emitting diodes each including a first electrode, an emission layer, and a second electrode. A first power supply line is located outside the display area and is configured to supply power to the plurality of organic light-emitting diodes. A protective portion is disposed on an end of the first power supply line facing away from the display area. An encapsulation unit includes a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer. The encapsulation unit is positioned in the display area. A dam unit is arranged between the first inorganic encapsulation layer and the second inorganic encapsulation layer. The dam unit is disposed on an end of the organic encapsulation layer facing away from the display area.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungmin Lee, Taehyun Kim, Donghwan Shim, Jungkyu Lee
  • Patent number: 10903299
    Abstract: A display device includes a substrate. The substrate includes a front surface display portion. A first side surface display portion is bent from a first side of the front surface display portion. A second side surface display portion is bent from a second side of the front surface display portion. A corner display portion extends from the first side surface display portion and the second side surface display portion. The substrate has a through hole defined by the front surface display portion and the corner display portion.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG DISPLAY CO, , LTD.
    Inventors: Donghwan Shim, Taehyun Kim, Sangho Park, Seungmin Lee, Seunghwan Cho, Jonghyun Choi
  • Patent number: 10826013
    Abstract: An OLED display device including: a substrate including a display area and a non-display area; an organic light emitting element including a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer; a first conductive line at the non-display area of the substrate; a first organic layer on the first conductive line; a second conductive line on the first organic layer and connected to the first conductive line; a second organic layer on the second conductive line; and a third conductive line on the second organic layer and connected to the second conductive line. The third conductive line is connected to the second electrode. The first electrode is at the display area of the substrate.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taehyun Kim, Seungmin Lee, Seonyoung Choi, Sangho Park, Donghwan Shim, Jungkyu Lee, Seunghwan Cho
  • Patent number: 10819380
    Abstract: Provided is a portable terminal cover. The portable terminal cover includes a plurality of transparent side surfaces configured to cover a plurality of side surface display parts of a portable terminal and a front surface configured to cover a top surface display part of the portable terminal and connected to at least one side surface of the side surfaces and thereby to confirm an image provided on the side surface display parts while protecting the side surface display parts of the portable terminal.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungchul Kim, Jonghyuk Lee, Donghwan Shim
  • Publication number: 20200315038
    Abstract: An electronic apparatus includes a display panel including a first surface portion, a second surface portion, and a third surface portion which is disposed between the first surface portion and the second surface portion. The electronic apparatus operates in one of a first mode and a second mode. When the electronic apparatus operates in the first mode, the third surface portion is bent from the first surface portion, and the second surface portion is bent from the third surface portion. When the electronic apparatus operates in the second mode, the first surface portion, the second surface portion, and the third surface portion are substantially parallel to each other.
    Type: Application
    Filed: February 19, 2020
    Publication date: October 1, 2020
    Inventors: TaeHyun Kim, Donghwan Shim, Seungmin Lee, Sunhee Lee, Jonghyun Choi
  • Patent number: 10566402
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a plurality of pixels, each pixel including a driving circuit that includes a driving transistor and a storage capacitor electrically connected to the driving transistor. The driving transistor includes a driving active layer and a first electrode, the first electrode insulated from the driving active layer and disposed over at least a portion of the driving active layer. The storage capacitor includes a first capacitor including the first electrode and a second electrode facing the first electrode and a second capacitor comprising the second electrode and a third electrode facing the second electrode.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunghwan Cho, Sangho Park, Donghwan Shim, Kiwan Ahn, Joosun Yoon
  • Patent number: 10522605
    Abstract: A thin-film transistor (TFT) array substrate includes: a driving TFT provided on a substrate; and a switching TFT provided on the substrate and including: a switching semiconductor layer including a switching channel region, a switching source region, and a switching drain region; and a switching source electrode and a switching drain electrode contacting the switching semiconductor layer. The switching source electrode includes a source contact portion contacting the switching source region, and the switching drain electrode includes a drain contact portion contacting the switching drain region. The source contact portion is doped with ions that are different from ions of the switching source region and the drain contact portion is doped with ions that are different from ions of the switching drain region.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunghwan Cho, Dohyun Kwon, Donghwan Shim, Sungeun Lee, Iljeong Lee, Jungkyu Lee, Jeongsoo Lee
  • Publication number: 20190343010
    Abstract: A display apparatus includes a window member, a display panel and a support member. The window member includes a window flat portion, and a window bent portion which extends bent from the window flat portion. The display panel includes an upper flat portion overlapping with the window flat portion, an upper bent portion extending bent from the upper flat portion to extend along the window bent portion, and a lower bent portion extending from the upper bent portion and bent toward a center of the upper flat portion. The support member disposes the display panel between the window member and the support member and extends along the lower bent portion of the display panel. Each of the upper flat portion and the upper bent portion is a display area of the display panel, and the lower bent portion is a non-display area of the display panel.
    Type: Application
    Filed: March 14, 2019
    Publication date: November 7, 2019
    Inventors: Seonbeom JI, Jonghyun CHOI, Donghwan SHIM, Seungmin LEE
  • Patent number: 10446793
    Abstract: A display apparatus includes a substrate having a display area in which an image is displayed and a peripheral area outside the display area; a thin film encapsulation layer at the display area, the thin film encapsulation layer including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer that are stacked; a dam at the peripheral area; and an organic material detection part outside the dam, the organic material detection part including at least one detector. The first inorganic encapsulation layer and the second inorganic encapsulation layer extend from the display area to the peripheral area, and the first inorganic encapsulation layer has an opening that corresponds to at least a portion of the organic material detection part.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taehyun Kim, Seungmin Lee, Donghwan Shim, Jungkyu Lee, Seunghwan Cho
  • Patent number: 10386978
    Abstract: A display apparatus includes a display panel (DP) and a sensor unit on the DP. The sensor unit includes: a first conductive layer (CL) including a first bridge (FB); a second CL disposed on the first CL, the second CL including first sensor portions (FSPs) spaced apart from each other and arranged in a first direction; a first insulating layer (IL) disposed between the first CL and the second CL, the first IL including through-holes (THs) extending between the FB and the FSPs overlapping the FB; and contact electrodes (CEs) filling spaces defined by a bridge top surface of the FB exposed by the THs, insulating sidewalls of the first IL defining the THs, and sensor bottom surfaces of the FSPs facing the FB. A cross-section, which is perpendicular to a top surface of the DP, of each of the CEs has a polygonal shape of five or more sides.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donghwan Shim, Taehyun Kim, Seungmin Lee, Seung-hwan Cho
  • Publication number: 20190245161
    Abstract: An organic light-emitting display device includes a substrate and a display area over the substrate. The display area includes a plurality of organic light-emitting diodes each including a first electrode, an emission layer, and a second electrode. A first power supply line is located outside the display area and is configured to supply power to the plurality of organic light-emitting diodes. A protective portion is disposed on an end of the first power supply line facing away from the display area. An encapsulation unit includes a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer. The encapsulation unit is positioned in the display area. A dam unit is arranged between the first inorganic encapsulation layer and the second inorganic encapsulation layer. The dam unit is disposed on an end of the organic encapsulation layer facing away from the display area.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 8, 2019
    Inventors: Seungmin LEE, Taehyun KIM, Donghwan SHIM, Jungkyu LEE
  • Publication number: 20190115415
    Abstract: A display device that can improve transmittance of a sensor area that overlaps a display area includes a substrate that includes a display area in which a plurality of pixels are disposed, a sensor area in the display area, the sensor area overlapping a sensor, and a wiring connection area between the display area and the sensor area; a first wiring and a second wiring disposed in the display area and that extend in a first direction and are connected to the plurality of pixels; and a third wiring disposed in the sensor area and that extends in the first direction, wherein the third wiring is connected to the second wiring and overlaps the first wiring in a plan view. The third wiring is spaced apart from the first wiring with a first insulating layer interposed therebetween.
    Type: Application
    Filed: September 24, 2018
    Publication date: April 18, 2019
    Inventors: Jonghyun Choi, Seunghwan Cho, Donghwan Shim
  • Publication number: 20190088733
    Abstract: A display apparatus includes a substrate including a display area including a main display area and an edge display area extended directly from a side of the main display area, and a peripheral area outside the display area and including a pad area through which electrical signals are applied to the display area; and in the peripheral area, a plurality of wirings between the display area and the pad area and through which the electrical signals are transmitted from the pad area to the display area, the plurality of wirings including: a first wiring through which an electrical signal is transmitted from the pad area to the main display area, and a second wiring through which an electrical signal is transmitted from the pad area to the edge display area, where an electrical resistance per unit length of the first wiring is greater than that of the second wiring.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 21, 2019
    Inventors: Seunghwan Cho, Jonghyun Choi, Kyunghoon Kim, Donghwan Shim, Seonyoung Choi
  • Publication number: 20190081270
    Abstract: An OLED display device including: a substrate including a display area and a non-display area; an organic light emitting element including a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer; a first conductive line at the non-display area of the substrate; a first organic layer on the first conductive line; a second conductive line on the first organic layer and connected to the first conductive line; a second organic layer on the second conductive line; and a third conductive line on the second organic layer and connected to the second conductive line. The third conductive line is connected to the second electrode. The first electrode is at the display area of the substrate.
    Type: Application
    Filed: August 16, 2018
    Publication date: March 14, 2019
    Inventors: Taehyun Kim, Seungmin Lee, Seonyoung Choi, Sangho Park, Donghwan Shim, Jungkyu Lee, Seunghwan Cho
  • Publication number: 20190081127
    Abstract: A display device includes a substrate. The substrate includes a front surface display portion. A first side surface display portion is bent from a first side of the front surface display portion. A second side surface display portion is bent from a second side of the front surface display portion. A corner display portion extends from the first side surface display portion and the second side surface display portion. The substrate has a through hole defined by the front surface display portion and the corner display portion.
    Type: Application
    Filed: September 14, 2018
    Publication date: March 14, 2019
    Inventors: DONGHWAN SHIM, Taehyun Kim, Sangho Park, Seungmin Lee, Seunghwan Cho, Jonghyun Choi