Patents by Inventor Young Gug Seol

Young Gug Seol 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).

  • Patent number: 10497886
    Abstract: A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: December 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woong Kim, Hyun Woo Koo, Young Gug Seol
  • Patent number: 10446769
    Abstract: A display device includes: a flexible substrate including a bending area bent in one direction; an insulating layer on the flexible substrate and comprising a plurality of opening patterns spaced apart from each other at the bending area; and a wavy line extending through the plurality of opening patterns.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woong Kim, Hyun Woo Koo, Ki Hyun Kim, Young Gug Seol
  • Patent number: 10371869
    Abstract: An anti-scratch film, including a film base and an anti-scratch layer on one side of the film base. The anti-scratch layer includes a plurality of protrusions.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Woong Kim, Hyun-Woo Koo, Young-Gug Seol, Patrick Lee
  • Publication number: 20190189963
    Abstract: A manufacturing method of a display device includes: forming a flexible substrate on a sacrificial substrate; forming a display element unit on a first surface of the flexible substrate, the display element unit including a TFT and an organic light-emitting element; separating the sacrificial substrate from the flexible substrate; and forming a protective layer by depositing an organic material on a second surface of the flexible substrate, the second surface being opposite to the first surface.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Inventors: Sun Hee LEE, Young Gug SEOL, Pil Suk LEE, Ju Chan PARK
  • Publication number: 20190115406
    Abstract: A display device including an organic light emitting layer, a pixel circuit, and conductive adhesive having a first density and being in electrical communication with the organic light emitting layer and the pixel circuit, wherein during bending certain portions of the conductive adhesive are compressed to a second density higher than the first density and certain other portions of the conductive adhesive are expanded to a third density lower than the first density.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 18, 2019
    Inventors: Dong Sun LEE, Mu Gyeom Kim, Young Gug Seol
  • Patent number: 10217963
    Abstract: A display device includes a flexible substrate, a display element unit disposed on a first surface of the flexible substrate and including a thin-film transistor (TFT) and an organic light-emitting element coupled to the TFT, and a protective layer comprising an organic material and disposed directly on a second surface of the flexible substrate, the second surface being opposite to the first surface. Impact resistance of the display device can be strengthened by lowering of the neutral plane through the use of the protective layer.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: February 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hee Lee, Young Gug Seol, Pil Suk Lee, Ju Chan Park
  • Patent number: 10199443
    Abstract: A display device including a first substrate, an organic light emitting layer on the first substrate and including a protrusion, and a pixel circuit including a passivation film having a recess engaged with the protrusion, wherein the protrusion is located at a position corresponding to the recess and adhered to the pixel circuit in the recess by a conductive adhesive.
    Type: Grant
    Filed: March 26, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Sun Lee, Mu Gyeom Kim, Young Gug Seol
  • Patent number: 10177342
    Abstract: A display device includes a substrate, a barrier layer, a transistor, and a first impact buffer layer. The barrier layer is disposed on the substrate. The transistor is disposed on the barrier layer. The first impact buffer layer is disposed between the barrier layer and the transistor. The first impact buffer layer includes a nanostructure. The nanostructure includes pores.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: January 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hee Lee, Pil Suk Lee, Ju Chan Park, Young Gug Seol
  • Patent number: 10134773
    Abstract: A display device including a substrate including a display area for displaying an image and a non-display area provided on a side of the display area and including a bending area bent with respect to an axis parallel to a first direction; a plurality of step portions disposed in the bending area and extending in the first direction; a plurality of bridge electrodes extending in a second direction crossing the first direction in the bending area; and a plurality of pattern portions disposed in the bending area. The step portions are spaced apart from each other, and the pattern portions are disposed between adjacent step portions. The pattern portions are lower than the step portions, and an acute angle of sides of each of the pattern portions from the substrate is smaller than an acute angle of sides of each of the step portions from the substrate.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Pil Suk Lee, Ju Chan Park, Young Gug Seol, Sun Hee Lee
  • Publication number: 20180308916
    Abstract: A display device includes a substrate including a pixel region and a peripheral region. The display device also includes a plurality of pixels provided in the pixel region for displaying an image. The display device also includes a light emitting element provided in each pixel for emitting light. The display device includes a first transistor provided in each pixel for driving the light emitting element, and a second transistor connected to the first transistor. The display device includes an insulating layer disposed between a second semiconductor layer of the second transistor and the substrate; and a crack blocking layer disposed between the insulating layer and the second semiconductor layer of the second transistor. A first semiconductor layer of the first transistor and the second semiconductor layer of the second transistor are provided in layers different from each other.
    Type: Application
    Filed: March 20, 2018
    Publication date: October 25, 2018
    Inventors: Sun Ho Kim, Ju Chan Park, Young Gug Seol, Sun Hee Lee
  • Patent number: 10014356
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a substrate having a flexible portion configured to bend or fold, a semiconductor positioned over the substrate, and a gate insulating layer positioned over the semiconductor and having an opening. The display also includes an interlayer insulating layer positioned over the gate insulating layer, a portion of the interlayer insulating layer positioned within the opening. The display further includes a gate electrode positioned between the gate insulating layer and the interlayer insulating layer and overlapping the semiconductor in the depth dimension of the OLED display. A source electrode and a drain electrode are positioned over the interlayer insulating layer and connected to the semiconductor.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: July 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Ju Chan Park, Jin Hwan Choi, Tae Woong Kim, Bo Ik Park, Young Gug Seol
  • Patent number: 9966563
    Abstract: A display device is disclosed. In one aspect, the display device includes a substrate, a barrier layer formed over the substrate, and an emission layer formed over the barrier layer. The display device also includes a stress-absorbing layer contacting one of the substrate, the barrier layer, and the emission layer. The stress-absorbing layer has a structural density configured to partially vary based on an applied voltage.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: May 8, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo Ik Park, Sun Ho Kim, Young Gug Seol, Jin Hwan Choi
  • Patent number: 9960220
    Abstract: An organic light emitting diode (OLED) display, including a flexible substrate bent in a first direction, an OLED arranged on the flexible substrate, a first thin film transistor connected to the OLED and including a first channel area extending in a second direction crossing the first direction, and one or more additional thin film transistors connected to the first thin film transistor and including corresponding additional channel areas extending in the second direction.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: May 1, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Woong Kim, Hyun-Woo Koo, Young-Gug Seol, Young-Ki Hong, Won-Kyu Kwak, Yang-Wan Kim, Han-Sung Bae
  • Patent number: 9935280
    Abstract: In an aspect, a flexible substrate may include a base substrate, an insulating layer positioned on a first surface of the base substrate, a protective film positioned on a second surface facing the first surface of the base substrate and an adhesive layer positioned between the base substrate and the protective film and attaching the protective film on the second surface of the base substrate. The adhesive layer may include a cross-linker.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gug Seol, Tae Woong Kim, Ju Chan Park, Pil Suk Lee, Jin Hwan Choi
  • Publication number: 20180069196
    Abstract: A display device includes a flexible substrate, a display element unit disposed on a first surface of the flexible substrate and including a thin-film transistor (TFT) and an organic light-emitting element coupled to the TFT, and a protective layer comprising an organic material and disposed directly on a second surface of the flexible substrate, the second surface being opposite to the first surface. Impact resistance of the display device can be strengthened by lowering of the neutral plane through the use of the protective layer.
    Type: Application
    Filed: March 9, 2017
    Publication date: March 8, 2018
    Inventors: Sun Hee LEE, Young Gug SEOL, Pil Suk LEE, Ju Chan PARK
  • Publication number: 20180053913
    Abstract: A display device includes a substrate, a barrier layer, a transistor, and a first impact buffer layer. The barrier layer is disposed on the substrate. The transistor is disposed on the barrier layer. The first impact buffer layer is disposed between the barrier layer and the transistor. The first impact buffer layer includes a nanostructure. The nanostructure includes pores.
    Type: Application
    Filed: June 9, 2017
    Publication date: February 22, 2018
    Inventors: Sun Hee LEE, Pil Suk LEE, Ju Chan PARK, Young Gug SEOL
  • Publication number: 20180040633
    Abstract: A display device including a substrate including a display area for displaying an image and a non-display area provided on a side of the display area and including a bending area bent with respect to an axis parallel to a first direction; a plurality of step portions disposed in the bending area and extending in the first direction; a plurality of bridge electrodes extending in a second direction crossing the first direction in the bending area; and a plurality of pattern portions disposed in the bending area. The step portions are spaced apart from each other, and the pattern portions are disposed between adjacent step portions. The pattern portions are lower than the step portions, and an acute angle of sides of each of the pattern portions from the substrate is smaller than an acute angle of sides of each of the step portions from the substrate.
    Type: Application
    Filed: July 6, 2017
    Publication date: February 8, 2018
    Inventors: Pil Suk LEE, Ju Chan PARK, Young Gug SEOL, Sun Hee LEE
  • Publication number: 20170358637
    Abstract: A display device including a first substrate, an organic light emitting layer on the first substrate and including a protrusion, and a pixel circuit including a passivation film having a recess engaged with the protrusion, wherein the protrusion is located at a position corresponding to the recess and adhered to the pixel circuit in the recess by a conductive adhesive.
    Type: Application
    Filed: March 26, 2017
    Publication date: December 14, 2017
    Inventors: Dong Sun LEE, Mu Gyeom KIM, Young Gug SEOL
  • Publication number: 20170309846
    Abstract: A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.
    Type: Application
    Filed: July 12, 2017
    Publication date: October 26, 2017
    Inventors: Tae Woong Kim, Hyun Woo Koo, Young Gug Seol
  • Patent number: 9728593
    Abstract: An organic light emitting display device includes: a curved organic light emitting display panel. The organic light emitting display panel includes a flexible substrate, a thin film transistor layer including a semiconductor layer, and an organic light emission layer including an organic light emitting material. In the curved organic light emitting display panel, the thin film transistor layer receives a compressive stress, or a neutral plane in which the compressive stress and a tensile stress maintain equilibrium is defined in the thin film transistor layer.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Hyun Woo Koo, Tae Woong Kim, Young Gug Seol