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: 12295109
    Abstract: A window includes: a folding part foldable around a virtual folding axis extending in a first direction, and first and second non-folding parts spaced apart from each other in a second direction perpendicular to the first direction with the folding part therebetween. A plurality of groove patterns extending in the first direction and arranged in the second direction are defined in the folding part. The folding part includes a first part adjacent to the folding axis, a third part adjacent to one of the first and second non-folding parts and a second part between the first part and the third part. widths of the first to third parts in the second direction are the same. A volume of the first part is greater than a volume of the second part, and the volume of the second part is greater than a volume of the third part.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: May 6, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Man Kim, Dawoon Kim, Sanghoon Kim, Sunghoon Kim, Seungho Kim, Yuri Kim, Min-Hoon Choi, Seongjin Hwang
  • Publication number: 20250089449
    Abstract: A display device includes a window, a display panel disposed below the window, and an adhesive layer disposed between the window and the display panel. The window includes a glass portion, and a synthetic resin portion overlapping at least a side surface of the glass portion and exposing the upper surface of the glass portion.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seongjin HWANG, Kyu Young KIM, Dohoon KIM, Sanghoon KIM, Sang-Il PARK, Min-Hoon CHOI
  • Publication number: 20250040067
    Abstract: A display device includes a display panel having a first non-folding region, a folding region, and a second non-folding region consecutively arranged in a first direction. The folding region is adjacent to the first and second non-folding regions and is foldable about a folding axis. A lower substrate is disposed under the display panel. The lower substrate includes a spacing portion and a pattern portion. The spacing portion overlaps the folding region on a plane. The pattern portion is spaced apart from the display panel by the spacing portion in a thickness direction of the display device. The pattern portion includes a plurality of holes.
    Type: Application
    Filed: June 6, 2024
    Publication date: January 30, 2025
    Inventors: MIN-HOON CHOI, SUNGHYUN KIM, SEUNGHO KIM, CHEOLMIN PARK, EUNWON SEO, JIN-WON JANG, SEONGJIN HWANG
  • Patent number: 12212701
    Abstract: An electronic device and a window include a folding part, and a first non-folding part and a second non-folding part spaced apart from each other with the folding part disposed between the first non-folding part and the second non-folding part, wherein the folding part includes a base portion, main protruding portions disposed on the base portion, each of the main protruding portions having a first thickness, and spaced apart from each other, and at least one sub-protruding portion having a second thickness less than the first thickness of each of the main protruding portions and disposed between the main protruding portions on the base portion.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: January 28, 2025
    Inventors: Kyung-Man Kim, Minsang Koo, Sanghoon Kim, Yuri Kim, Min-Hoon Choi, Seongjin Hwang
  • Patent number: 12156420
    Abstract: A display device includes a window, a display panel disposed below the window, and an adhesive layer disposed between the window and the display panel. The window includes a glass portion, and a synthetic resin portion overlapping at least a side surface of the glass portion and exposing the upper surface of the glass portion.
    Type: Grant
    Filed: October 12, 2019
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seongjin Hwang, Kyu Young Kim, Dohoon Kim, Sanghoon Kim, Sang-Il Park, Min-Hoon Choi
  • Publication number: 20240345623
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SANGHOON KIM, MINSANG KOO, KYUNG-MAN KIM, SEUNGHO KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Patent number: 12105564
    Abstract: A display device including: a display module including a display folding portion and a display curved portion adjacent to the display folding portion, wherein the display curved portion has a curvature when the display folding portion is folded; and a window disposed on the display module, the window including a first surface and a second surface opposite to the first surface, and having first grooves overlapping the display folding portion and second grooves overlapping the display curved portion, wherein the first grooves are formed in the first surface of the window and the second grooves are formed in the second surface of the window.
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dawoon Kim, Kyungman Kim, Sanghoon Kim, Sunghoon Kim, Seungho Kim, Yuri Kim, Min-Hoon Choi, Seongjin Hwang
  • Publication number: 20240306332
    Abstract: Provided are a window, a display device including the window, and methods of fabricating the window. The window includes a first non-folding part, a second non-folding part, and a folding part disposed between the first non-folding part and the second non-folding part. First grooves are formed on an upper surface of the folding part. Second grooves are formed on a lower surface of the folding part. A first distance between bottom points of the first grooves and the lower surface of the folding part is progressively changed.
    Type: Application
    Filed: November 7, 2023
    Publication date: September 12, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUNJI LEE, BYUNGHOON KANG, SANGHOON KIM, SUNGHOON KIM, JINGYU SIM, TAEHYEOG JUNG, MIN-HOON CHOI, SEONGJIN HWANG
  • Patent number: 12078826
    Abstract: Provided is a display device including a display panel, and a window member on the display panel, wherein the window member includes a window base material including a flexible portion in which a first area having a first rigidity and a second area having second rigidity that is less than the first rigidity are alternately located, a buffer layer on the window base material and having a refractive index that is smaller than a refractive index of the window base material, and a filler layer on the buffer layer and having a refractive index that is smaller than the refractive index of the buffer layer.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: September 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hoon Kim, Min Sang Koo, Kyung Man Kim, Yu Ri Kim, Min Hoon Choi, Seong Jin Hwang
  • Patent number: 12045095
    Abstract: A window includes a folding portion foldable with respect to an imaginary folding axis extending in a first direction, a first non-folding portion, and a second non-folding portion spaced apart from the first non-folding portion in a second direction perpendicular to the first direction with the folding portion interposed therebetween. The folding portion includes a base portion and a plurality of protrusion portions disposed on the base portion and spaced apart from each other in the second direction. A width, in the first direction, of the folding portion is smaller than a width, in the first direction, of each of the first non-folding portion and the second non-folding portion.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seongjin Hwang, Kyung-Man Kim, Dawoon Kim, Sanghoon Kim, Sunghoon Kim, Seungho Kim, Yuri Kim, Min-Hoon Choi
  • Patent number: 12036767
    Abstract: Provided is a window including a glass substrate, an impact absorbing layer disposed on the glass substrate and having a first storage modulus, and at least one coating layer disposed on at least one of top and bottom surfaces of the impact absorbing layer, respectively, and having a second storage modulus that is greater than the first storage modulus, wherein a ratio between a first thickness of the impact absorbing layer and a second thickness of at least one of the at least one coating layer is about 1:0.0002 to about 1:0.05.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: July 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hoon Choi, Minsang Koo, Kyung-Man Kim, Sanghoon Kim, Seongjin Hwang
  • Patent number: 12019471
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sanghoon Kim, Minsang Koo, Kyung-Man Kim, Seungho Kim, Min-Hoon Choi, Seongjin Hwang
  • Publication number: 20240206095
    Abstract: An electronic device includes a display module including a folding display unit which extends in a first direction and be foldable with reference to a folding axis and a first non-folding display unit and a second non-folding display unit which are spaced apart from each other with the folding display unit therebetween; a support member disposed below the display module, and including a folding part having a plurality of patterns defined therein and corresponding to the folding display unit and a first non-folding part and a second non-folding part respectively corresponding to the first non-folding display unit and the second non-folding display unit; and an adhesive layer disposed between the display module and the support member. The adhesive layer has a modulus of about 1 megapascal (MPa) to about 1500 MPa at ?20 degrees Celsius) (° C.).
    Type: Application
    Filed: September 13, 2023
    Publication date: June 20, 2024
    Inventors: TAEHYEOG JUNG, BYUNGHOON KANG, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20240204135
    Abstract: A display device includes a display panel including a first non-folding area, a second non-folding area, and a folding area disposed between the first non-folding area and the second non-folding area and a support member disposed under the display panel, including a glass, and including a first non-folding portion overlapping the first non-folding area in a plan view, a second non-folding portion overlapping the second non-folding area in a plan view, and a folding portion disposed between the first non-folding portion and the second non-folding portion, overlapping the folding area in a plan view, and including an opening pattern including openings extending in a first direction and having a width in a second direction intersecting the first direction of in a range of about 10 micrometers to about 200 micrometers.
    Type: Application
    Filed: July 31, 2023
    Publication date: June 20, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: MIN-HOON CHOI, SANGHOON KIM, SUNGHOON KIM, JINGYU SIM, TAEHYEOG JUNG, SEONGJIN HWANG
  • Publication number: 20240184328
    Abstract: A display device includes a display panel in which a first non-folding area, a folding area, and a second non-folding area may be sequentially defined in a first direction, and a lower plate which is coupled to a lower portion of the display panel, the lower plate including a plurality of patterns overlapping the folding area, wherein a minimum width of the display panel in the first direction is smaller than a minimum width of the lower plate in the first direction.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 6, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEONGJIN HWANG, BYUNGHOON KANG, SANGHOON KIM, SUNGHOON KIM, SEUNGHO KIM, JINGYU SIM, HYUNJI LEE, MIN-HOON CHOI
  • Publication number: 20240077912
    Abstract: An electronic device and a method for manufacturing the same are provided. An electronic device includes a window including a first region parallel to a flat surface that is defined by a first direction and a second direction crossing the first direction and a second region extending from the first region and including a curved surface, a display module under the window, and an electronic module under the window and overlapping the second region, and the second region includes an edge of the window, and at least one hole is defined in the second region.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Inventors: KYUNG-MAN KIM, SUNGHOON KIM, SANGHOON KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20240002286
    Abstract: A manufacturing method of a cover window is provided. The method including: irradiating a laser at a plurality of first positions on a first surface of a glass, the laser having a focus value for each of the first positions; irradiating a laser at a plurality of second positions on a second surface of the glass, the laser having a focus value for each of the second positions; forming a curved portion on the first surface of the glass and a step portion on the second surface of the glass by etching the irradiated first and second positions of the glass; and forming a printed layer on the step portion in the second surface of the glass.
    Type: Application
    Filed: April 7, 2023
    Publication date: January 4, 2024
    Inventors: Kyung-Man KIM, Byung Hoon KANG, Sang Hoon KIM, Sung Hoon KIM, Min-Hoon CHOI, Seong Jin HWANG
  • Patent number: 11860341
    Abstract: A cover window includes a glass substrates, a first coating layer disposed on a first surface of the glass substrate, and a second coating layer disposed on the first coating layer, where a thickness of the glass substrate is equal to or less than about 100 micrometers (?m), and a thickness of each of the first coating layer and the second coating layer ranges from about 50 angstroms (?) to about 400 ?.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hoon Kim, Seong Jin Hwang, Min Sang Koo, Kyung-Man Kim, Min-Hoon Choi
  • Publication number: 20230384835
    Abstract: A display device includes a display module including a folding area and a window module disposed on the display module. The window module includes a base substrate including a first surface on which a plurality of first grooves are formed and a second surface on which a plurality of second grooves are formed, a first cover layer disposed on the first surface of the base substrate and filled in the plurality of first grooves, and a second cover layer disposed on the second surface of the base substrate and filled in the plurality of second grooves. Depths of the plurality of first grooves and the plurality of second grooves are greater than or equal to half of a distance between the first surface and the second surface.
    Type: Application
    Filed: May 17, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYUNGHOON KANG, KYUNG-MAN KIM, SANGHOON KIM, SUNGHOON KIM, SEUNGHO KIM, YURI KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20230305598
    Abstract: A method for manufacturing a glass window. The glass window includes a folding area folded with respect to a folding axis and a non-folding area adjacent to the folding area. The method for manufacturing the glass window includes forming a pattern glass including a pattern part and a non-pattern part adjacent to the pattern part, the pattern part including first groove patterns in a first surface and corresponding to the folding area and a non-pattern part adjacent to the pattern part and corresponding to the non-folding area, and forming a filling layer on the pattern part. The forming of the filling layer includes initial filling of a filling resin into the groove patterns, and additional filling of the filling resin into the outermost groove patterns that are farthest from the folding axis among the groove patterns.
    Type: Application
    Filed: January 24, 2023
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYUNGHOON KANG, KYUNG-MAN KIM, SANGHOON KIM, SUNGHOON KIM, SEUNGHO KIM, YURI KIM, MIN-HOON CHOI, SEONGJIN HWANG