Patents by Inventor Min-Hoon CHOI

Min-Hoon CHOI 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: 10331172
    Abstract: There is provided a flexible display device including a display panel for displaying an image, and a window substrate covering the touch screen panel, the widow substrate including a flexible base layer including an externally facing first surface, and a second surface opposite the first surface and facing the display panel, a hard coating layer having a hardness that is larger than that of the base layer, and including a plurality of coating tiles on the first surface of the base layer that are spaced to have a gap between adjacent ones of the coating tiles, and a self-healing coating layer including a self-healing material and covering the hard coating layer on the base layer.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Oh, Sang-Il Park, Hyun Joon Oh, Jeoung Sub Lee, Min-Hoon Choi, In Sun Hwang
  • Patent number: 10290685
    Abstract: A display device includes: a display panel layer including a display area and a second non-light emitting area, the display area including a plurality of light emitting areas and a first non-light emitting area, the first non-light emitting area being around each of the light emitting areas, and the second non-light emitting area being outside the display area; a window coating layer directly on a first surface of the display panel layer; and a first curl-preventing pattern overlapping at least one of the first non-light emitting area and the second non-light emitting area when viewed in a plan view and contacting the window coating layer. The first curl-preventing pattern is configured to prevent the window coating layer from curling.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunjoon Oh, Byunghoon Kang, Boa Kim, Sanghoon Kim, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeongsub Lee, Junhyuk Cheon, Min-hoon Choi
  • Publication number: 20190138059
    Abstract: A flexible display device including a display panel configured to display an image, a touch screen panel on the display panel, and a window substrate covering the touch screen panel. The window substrate includes: a flexible base layer including a first surface facing an outside and a second surface facing the display panel in an opposite direction to the first surface; a first coating layer having hardness higher than that of the base layer and having a plurality of first coating tiles arranged on the first surface of the base layer thereof, at a first gap from each other; and a second coating layer having hardness higher than that of the base layer and having a plurality of second coating tiles arranged on a layer different from the first surface of the base layer thereof, at a second gap from each other.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Inventors: Min-Hoon CHOI, Sang-Il PARK, Hyun Joon OH, Hye-Jin OH, Jeoung Sub LEE, In Sun HWANG
  • Publication number: 20190094420
    Abstract: A cover window includes: a base film disposed on a display panel of a display device which displays an image with light; and porous nanoparticles embedded in the base film at a side of the base film opposite to that at which the display panel is disposed.
    Type: Application
    Filed: June 22, 2018
    Publication date: March 28, 2019
    Inventors: Min-Hoon CHOI, Sang-Il PARK, Heon Jung SHIN, Jeoung Sub LEE
  • Patent number: 10204970
    Abstract: An organic light emitting display device includes a scan line, a data line, a power supply line, and a pixel. The scan line extends in one direction. The data line crosses the scan line. The power supply line crosses the scan line and the data line. The pixel is electrically coupled to the scan line, the data line, and the power supply line. The pixel includes an organic light emitting diode including a first electrode on a substrate, an organic layer on the first electrode, and a second electrode on the organic layer. The pixel further includes at least two domains configured to radiate light in directions different from each other.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: February 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hoon Choi, In-Sun Hwang, Sang-Il Park, Jeoung-Sub Lee
  • Publication number: 20190039355
    Abstract: A flexible display window includes a flexible base layer including a flexible resin, a first silica nano particle coating layer including full-type silica nano particles, where the first silica nano particle coating layer is disposed on the flexible base layer, a flexible hard coating layer including a flexible hard coating resin, where the flexible hard coating layer is disposed on the first silica nano particle coating layer, and a second silica nano particle coating layer including hollow-type silica nano particles, where the second silica nano particle coating layer is disposed on the flexible hard coating layer. Thus, the flexible display window can enhance impact-resistance of a flexible display while reducing reflectivity of the flexible display.
    Type: Application
    Filed: July 24, 2018
    Publication date: February 7, 2019
    Inventors: Hye-Jin Oh, Sang-Il Park, Heonjung Shin, Jeoungsub Lee, Min-Hoon Choi, Kyungtae Kim, Boa Kim, Sanghoon Kim, Hyun-Joon Oh, Junghoon Han
  • Publication number: 20190036048
    Abstract: A window member may include a first member and a second member on the first member. A recovery rate of the second member may be 40% or more, and an absolute value of difference in recovery rate between the first and second members may be 45% or less.
    Type: Application
    Filed: April 19, 2018
    Publication date: January 31, 2019
    Inventors: Jeoungsub Lee, Heonjung Shin, Hye-Jin Oh, Min-Hoon Choi, Kyungtae Kim, Boa Kim, Sanghoon Kim, Sang-Il Park, Hyunjoon Oh, Junghoon Han
  • Patent number: 10168740
    Abstract: A flexible display device including a display panel configured to display an image, a touch screen panel on the display panel, and a window substrate covering the touch screen panel. The window substrate includes: a flexible base layer including a first surface facing an outside and a second surface facing the display panel in an opposite direction to the first surface; a first coating layer having hardness higher than that of the base layer and having a plurality of first coating tiles arranged on the first surface of the base layer thereof, at a first gap from each other; and a second coating layer having hardness higher than that of the base layer and having a plurality of second coating tiles arranged on a layer different from the first surface of the base layer thereof, at a second gap from each other.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: January 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hoon Choi, Sang-Il Park, Hyun Joon Oh, Hye-Jin Oh, Jeoung Sub Lee, In Sun Hwang
  • Publication number: 20180348567
    Abstract: A cover window of a flexible display device includes a base film, a support layer on the base film, and a bead layer on the support layer. The bead layer includes a plurality of beads distributed at a surface of the cover window and a binder for binding the beads. A portion of at least one bead of the beads is exposed to outside.
    Type: Application
    Filed: May 11, 2018
    Publication date: December 6, 2018
    Inventors: Heonjung SHIN, Hye-Jin OH, Jeoungsub LEE, Min-Hoon CHOI, Kyungtae KIM, Boa KIM, Sanghoon KIM, Sang-Il PARK, Hyun Joon OH, Junghoon HAN
  • Publication number: 20180248150
    Abstract: A display device includes a display panel and a window coating layer disposed directly on an upper surface of the display panel. The window coating layer includes a first region which has an increasing elastic modulus in a direction from the display panel toward the window coating layer.
    Type: Application
    Filed: December 11, 2017
    Publication date: August 30, 2018
    Inventors: Hyunjoon OH, Kyungtae KIM, Boa KIM, Sanghoon KIM, Sang-il PARK, Heonjung SHIN, Hye-jin OH, Jeoungsub LEE, Min-hoon CHOI
  • Publication number: 20180203321
    Abstract: An adhesive member for a display device is disclosed. The adhesive member may include an adhesive film configured to roll along a rolling axis. The adhesive film may include an adhesive portion including a plurality of adhesive lines. The plurality of adhesive lines may not be orthogonal to the rolling axis.
    Type: Application
    Filed: December 5, 2017
    Publication date: July 19, 2018
    Inventors: Heonjung Shin, Hye-Jin Oh, Jeoungsub Lee, Min-Hoon Choi, Kyungtae Kim, Boa Kim, Sanghoon Kim, Sang-Il Park, Hyunjoon Oh
  • Publication number: 20180143353
    Abstract: A display apparatus includes a display module having a display surface configured to display an image, and a window member disposed on the display surface. The window member includes a flexible base layer having a plurality of concave patterns defined on an upper portion thereof, and a plurality of hard coating patterns each disposed in a respective one of the concave patterns and having a hardness greater than the hardness of the flexible base layer.
    Type: Application
    Filed: September 29, 2017
    Publication date: May 24, 2018
    Inventors: Kyungtae KIM, Boa KIM, Sanghoon KIM, Hyunjoon OH, Sang-il PARK, Heonjung SHIN, Hye-jin OH, Jeoungsub LEE, Min-hoon CHOI
  • Publication number: 20180134007
    Abstract: The present disclosure relates to a window for a flexible display device, including: a first film including a transparent base film and a plurality of holes passing through the transparent base film; a second film overlapping the first film; a buffer layer between the first film and the second film to attach a first side of the first film and a first side of the second film; and a hard coated layer on a second side of the second film.
    Type: Application
    Filed: October 23, 2017
    Publication date: May 17, 2018
    Inventors: Jeoung Sub LEE, Heon Jung SHIN, Hyun Joon OH, Hye-Jin OH, Min-Hoon CHOI, Kyung Tae KIM, Bo A KIM, Sang Hoon KIM, Sang-Il PARK
  • Publication number: 20180132370
    Abstract: A cover window for a display device includes: a first film; a second film on the first film; and an adhesive layer between the first film and the second film. The adhesive layer has a lap shear modulus in a range of 20 kPa to 50 kPa.
    Type: Application
    Filed: October 24, 2017
    Publication date: May 10, 2018
    Inventors: Min-Hoon CHOI, Heon Jung SHIN, Hye-Jin OH, Jeoung Sub LEE, Kyung Tae KIM, Bo A KIM, Sang Hoon KIM, Sang-Il PARK, Hyun Joon OH
  • Publication number: 20180101198
    Abstract: A cover window for a display device includes a first film; a second film on the first film; an adhesive layer between the first film and the second film; a coating layer on the second film; and an inner anti-reflective layer between the first film and the coating layer.
    Type: Application
    Filed: June 23, 2017
    Publication date: April 12, 2018
    Inventors: Min-Hoon Choi, Heon Jung Shin, Hye-Jin Oh, Jeoung Sub Lee, Bo A Kim, Sang Hoon Kim, Sang-Il Park, Hyun Joon Oh
  • Publication number: 20180059736
    Abstract: An electronic device includes a foldable display device, a supporting member, and a housing. The foldable display device includes at least one folding area and a plurality of non-folding areas. The supporting member is disposed in the non-folding areas to support the foldable display device. The housing includes a body part that contains the foldable display device and the supporting member, and a hinge member that folds or unfolds sections of the body part, the body part supporting the supporting member for movement relative to the housing. A folding axis defined in the folding area by the location of the hinge member is changeable in response to movement of the supporting member in the housing.
    Type: Application
    Filed: April 20, 2017
    Publication date: March 1, 2018
    Inventors: Sang-Hoon KIM, Bo-A KIM, Sang-Il PARK, Heon-Jung SHIN, Hyun-Joon OH, Hye-Jin OH, Jeoung-Sub LEE, Min-Hoon CHOI
  • Publication number: 20180063980
    Abstract: An exemplary embodiment provides a cover window for a display device, including: a first film; a second film disposed on the first film; and an adhesive layer disposed between the first film and the second film, wherein the adhesive layer includes an elastic polymer, and wherein a ratio of a thickness of the second film to a thickness of the first film is in a range of 0.2 to 5.
    Type: Application
    Filed: February 13, 2017
    Publication date: March 1, 2018
    Inventors: Heon Jung SHIN, Hye-Jin Oh, Jeoung Sub Lee, Min-Hoon Choi, Bo A Kim, Sang Hoon Kim, Sang-Il Park, Hyun Joon Oh
  • Publication number: 20170338286
    Abstract: A display device includes: a display panel layer including a display area and a second non-light emitting area, the display area including a plurality of light emitting areas and a first non-light emitting area, the first non-light emitting area being around each of the light emitting areas, and the second non-light emitting area being outside the display area; a window coating layer directly on a first surface of the display panel layer; and a first curl-preventing pattern overlapping at least one of the first non-light emitting area and the second non-light emitting area when viewed in a plan view and contacting the window coating layer. The first curl-preventing pattern is configured to prevent the window coating layer from curling.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 23, 2017
    Inventors: Hyunjoon Oh, Byunghoon Kang, Boa Kim, Sanghoon Kim, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeongsub Lee, Junhyuk Cheon, Min-hoon Choi
  • Patent number: 9733674
    Abstract: A display device according to one or more embodiments of the present invention includes: a flexible display panel that is configured to be widened or narrowed, the flexible display panel including a display part configured to display an image at a first surface of the flexible display panel, and a bending part configured to be folded in a direction away from the display part; and a driving unit including one or more rollers in close proximity to the bending part, and configured to rotate to widen or narrow the flexible display panel.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: August 15, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeoung Sub Lee, Sang-Il Park, Hyun Joon Oh, Hye-Jin Oh, Min-Hoon Choi, In Sun Hwang
  • Publication number: 20170123461
    Abstract: Provided is a flexible display apparatus defined by a folding area configured to be folded with respect to a folding axis extending in one direction, a non-folding area adjacent the folding area, a display area, and a non-display area adjacent the display area, the display apparatus including a touch screen panel, a window layer on a top surface of the touch screen panel, and including a flat section overlapping the display area, and having a first thickness, and a curvature section extending from the flat section, overlapping the folding area and the non-display area, and having a thickness that gradually decreases away from the flat section, and a cushion layer on a bottom surface of the touch screen panel.
    Type: Application
    Filed: June 13, 2016
    Publication date: May 4, 2017
    Inventors: Sanghoon Kim, Boa Kim, Hyunjoon Oh, Sang-Il Park, Heonjung Shin, Jeoungsub Lee, Min-Hoon Choi