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: 11064620
    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: Grant
    Filed: February 13, 2017
    Date of Patent: July 13, 2021
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 11058021
    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: Grant
    Filed: April 17, 2020
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    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: 20210179487
    Abstract: A cover window according to an exemplary embodiment includes a glass substrate, and a first coating layer disposed on a first major surface of the glass substrate, where the first coating layer includes an epoxy silane and an oligomer, and an average molecular weight of the oligomer is about 300 g/mol to about 5000 g/mol.
    Type: Application
    Filed: July 24, 2020
    Publication date: June 17, 2021
    Inventors: Sang Hoon KIM, Seong Jin HWANG, Jae Sung KIM, Koan Duck SEO, Min Sang KOO, Kyung-Man KIM, Yun Ho KIM, Chang Ho CHO, Min-Hoon CHOI
  • Patent number: 10948630
    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: Grant
    Filed: September 29, 2017
    Date of Patent: March 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyungtae Kim, Boa Kim, Sanghoon Kim, Hyunjoon Oh, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeoungsub Lee, Min-hoon Choi
  • Patent number: 10908638
    Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Jin Hwang, Sang Hoon Kim, Min Hoon Choi
  • Patent number: 10882286
    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: Grant
    Filed: July 24, 2018
    Date of Patent: January 5, 2021
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10877302
    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: Grant
    Filed: May 11, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    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: 20200341508
    Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.
    Type: Application
    Filed: December 31, 2019
    Publication date: October 29, 2020
    Inventors: Seong Jin HWANG, Sang Hoon KIM, Min Hoon CHOI
  • Publication number: 20200313114
    Abstract: A display device includes a display panel from which light is transmitted; and a window through which the light from the display panel is transmitted to outside the display device. The window includes a transmission area through which the light is transmitted, a light shielding area which is adjacent to the transmission area and blocks the light, and a resin layer at which the window is attachable to the display panel, the resin layer defining a light shielding pattern which corresponds to the light shielding area and blocks the light.
    Type: Application
    Filed: February 13, 2020
    Publication date: October 1, 2020
    Inventors: Min-Hoon CHOI, Sanghoon KIM, SEONGJIN HWANG
  • Patent number: 10739498
    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: Grant
    Filed: June 22, 2018
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Hoon Choi, Sang-Il Park, Heon Jung Shin, Jeoung Sub Lee
  • Publication number: 20200245486
    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: April 17, 2020
    Publication date: July 30, 2020
    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: 20200233457
    Abstract: A protection member for a display device includes a first glass substrate having a first surface and a second surface opposed to each other in a thickness direction and side surfaces; and a first coating layer covering and in contact with the side surfaces of the first glass substrate, and including a first surface and a second surface opposed to each other in the thickness direction and having side surfaces, wherein the first surface of the first glass substrate is exposed via the first coating layer, and the first surface of the first coating layer is located in substantially the same extended plane of the first surface of the first glass substrate.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 23, 2020
    Inventors: Seong Jin Hwang, Sang Hoon Kim, Min Hoon Choi
  • Patent number: 10667417
    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: Grant
    Filed: October 24, 2017
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10658615
    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: Grant
    Filed: December 11, 2017
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunjoon Oh, Kyungtae Kim, Boa Kim, Sanghoon Kim, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeoungsub Lee, Min-hoon Choi
  • Patent number: 10632711
    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: Grant
    Filed: October 23, 2017
    Date of Patent: April 28, 2020
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10599184
    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: Grant
    Filed: June 13, 2016
    Date of Patent: March 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghoon Kim, Boa Kim, Hyunjoon Oh, Sang-Il Park, Heonjung Shin, Jeoungsub Lee, Min-Hoon Choi
  • Patent number: 10444798
    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: December 28, 2018
    Date of Patent: October 15, 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
  • Patent number: 10401906
    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: Grant
    Filed: June 23, 2017
    Date of Patent: September 3, 2019
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10331176
    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: Grant
    Filed: April 20, 2017
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    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
  • 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