Patents by Inventor Cheuljin PARK

Cheuljin PARK 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: 12660490
    Abstract: A display apparatus includes a display panel including a central area and an outer area outside the central area and which is bent. A cover panel includes a cover central area overlapping the central area, a cover outer area overlapping the outer area, a light-blocking layer on the display panel and a groove layer disposed on a first surface of the light-blocking layer opposite to a second surface of the light-blocking layer facing the display panel. A plurality of grooves is defined in the groove layer in the cover central area.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: June 16, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kisang Yoo, Cheuljin Park, Hyunkyung Yun, Joonik Lee
  • Publication number: 20260136811
    Abstract: A display apparatus includes: a display panel including a display element; a protective film disposed under the display panel and including a first silicon-based compound; and a cover panel disposed under the protective film, where the cover panel includes a silicon layer including a second silicon-based compound.
    Type: Application
    Filed: January 6, 2026
    Publication date: May 14, 2026
    Inventors: Hyunkyung YUN, Cheuljin PARK, Kisang YOO, Joonik LEE
  • Publication number: 20260040512
    Abstract: A display apparatus, a method of manufacturing the display apparatus, and an electronic device including the display apparatus are disclosed. The display apparatus may include a display panel to implement or emit visible light and a heat dissipation member on one surface of the display panel, wherein the heat dissipation member may include a flexible tube to allow at least fluid (e.g., a fluid and/or a solid) to move, a base plate having a groove in one surface thereof, and a cover portion between the base plate and the display panel, and the flexible tube may be in the groove.
    Type: Application
    Filed: May 12, 2025
    Publication date: February 5, 2026
    Inventors: JUHEE KIM, CHEULJIN PARK, JUNHEE SON
  • Publication number: 20260040803
    Abstract: A display apparatus is provided. The display apparatus includes a display panel that emits visible light, and a heat dissipation member that is provided on one surface of the display panel, wherein the heat dissipation member includes a base sheet, a cover that is provided to face a surface opposite to a surface, which faces the display panel, of surfaces of the base sheet, and a groove that is formed in the base sheet such that at least a fluid moves. The groove has a region in which a width of a portion farthest from the display panel is narrower than a width of a portion closest to the display panel based on a thickness direction of the base sheet.
    Type: Application
    Filed: May 19, 2025
    Publication date: February 5, 2026
    Inventors: JUHEE KIM, CHEULJIN PARK, JUNHEE SON
  • Patent number: 12543481
    Abstract: A display apparatus includes: a display panel including a display element; a protective film disposed under the display panel and including a first silicon-based compound; and a cover panel disposed under the protective film, where the cover panel includes a silicon layer including a second silicon-based compound.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: February 3, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunkyung Yun, Cheuljin Park, Kisang Yoo, Joonik Lee
  • Patent number: 12507575
    Abstract: A display device includes a display panel including a first area, a second area disposed on the first area, and a bending area extending from the first area to the second area, where the first area includes a first flat area and a first curved area disposed between the bending area and the first flat area, a driver disposed on the first flat area, a cover panel disposed between the first area and the second area, and a space layer including a first adhesive layer disposed between the cover panel and the first curved area and a second adhesive layer disposed between the cover panel and the first flat area. Here, the first adhesive layer has an adhesive property different from an adhesive property of the second adhesive layer.
    Type: Grant
    Filed: June 25, 2024
    Date of Patent: December 23, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheuljin Park, Hyunchul Bae
  • Publication number: 20250381767
    Abstract: A bonding device includes: a pressure pad; a jig below the pressure pad; and a moving part below the jig, wherein the jig includes: a first jig; and a plurality of second jigs adjacent to the first jig, and wherein the moving part includes: a first moving part below the first jig; and a plurality of second moving parts respectively below the second jigs.
    Type: Application
    Filed: March 13, 2025
    Publication date: December 18, 2025
    Inventors: DONGJIN PARK, YOUNGSU KIM, CHEULJIN PARK, KISANG YOO, SANGHYUCK YOON, SUNGKOOK LEE, JAESANG LEE
  • Publication number: 20250351279
    Abstract: A manufacturing method of a display device includes preparing a mother substrate including a pattern part and a peripheral part disposed on an outside of the pattern part, forming an opening by etching the pattern part, forming a bridge by etching the peripheral part to be located adjacent to a border between the pattern part and the peripheral part, separating the pattern part and the peripheral part from each other by cutting the bridge, and coupling the pattern part on one surface of a display module, wherein a thickness of the bridge is smaller than a thickness of the pattern part.
    Type: Application
    Filed: March 6, 2025
    Publication date: November 13, 2025
    Inventors: CHEULJIN PARK, KYUNGROK KO, MANSOO KIM, SUNGWON KIM, JUHEE KIM, EUNWON SEO, DUCKYONG AHN
  • Patent number: 12414251
    Abstract: The present disclosure relates to a protection member, a display apparatus and a method of manufacturing the display apparatus. The protection member includes a protective film including a first layer having a central area, a first side area extended to a first edge of the central area, a second side area intersecting the first edge of the central area, and a corner area extended between the first side area and the second side area, and a second layer arranged on the first layer and exposing at least a portion of the corner area of the first layer; and a shielding member shielding the at least the portion of the corner area exposed.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: September 9, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joonik Lee, Cheuljin Park, Kisang Yoo, Hyunkyung Yun
  • Patent number: 12393232
    Abstract: A protective film and a display device including the protective film are provided. The protective film includes: a first layer having a middle area, a first side area connected to a first edge of the middle area, a second side area connected to a second edge intersecting with the first edge of the middle area, and a corner area connecting the first side area to the second side area, a second layer disposed on the first layer and exposing at least a portion of at least one of the corner area, the first side area, and the second side area of the first layer, and a third layer disposed on the exposed at least a portion of the at least one of the corner area, the first side area, and the second side area of the first layer, the third layer being a shape memory alloy.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: August 19, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheuljin Park, Kisang Yoo, Hyunkyung Yun, Joonik Lee
  • Publication number: 20250234749
    Abstract: A display device includes a display panel for providing an image, a light control member disposed on the display panel, and a plate disposed under the display panel. The plate includes a first sheet, and second sheets disposed spaced apart from each other on the first sheet, and holes which are spaced apart from each other pass through each of the second sheets.
    Type: Application
    Filed: November 22, 2024
    Publication date: July 17, 2025
    Inventors: EUNWON SEO, JOON-IK LEE, CHEULJIN PARK
  • Publication number: 20250185191
    Abstract: A display device includes a display module having flexibility, a metal plate under the display module and patterned, and a support plate under the metal plate and including a base part, and support bars surrounded by the base part and extending in a direction parallel to the display module.
    Type: Application
    Filed: November 13, 2024
    Publication date: June 5, 2025
    Inventors: EUNWON SEO, JOON-IK LEE, CHEULJIN PARK
  • Publication number: 20250160192
    Abstract: A display device includes: a display module including: a display panel including a first display surface having a first side and a second side opposite the first side, a second display surface extending from the first side at an angle with respect to the first display surface, and a third display surface extending from the second side at an angle with respect to the first display surface; and an input sensing circuit on the display panel; a first adhesive member on the first display surface, the second display surface, and the third display surface, the first adhesive member including an acrylic-based material; a second adhesive member on the first adhesive member, and including at least one of a polyurethane-based material, a polyethersulfone-based material, a polyamide-based material, or an ethylene-vinyl acetate-based material; and a window member on the second adhesive member.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 15, 2025
    Inventors: Suk Won JUNG, Seokhyun NAM, Jongdeok PARK, Cheuljin PARK
  • Patent number: 12225810
    Abstract: A display device includes: a display module including: a display panel including a first display surface having a first side and a second side opposite the first side, a second display surface extending from the first side at an angle with respect to the first display surface, and a third display surface extending from the second side at an angle with respect to the first display surface; and an input sensing circuit on the display panel; a first adhesive member on the first display surface, the second display surface, and the third display surface, the first adhesive member including an acrylic-based material; a second adhesive member on the first adhesive member, and including at least one of a polyurethane-based material, a polyethersulfone-based material, a polyamide-based material, or an ethylene-vinyl acetate-based material; and a window member on the second adhesive member.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: February 11, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Won Jung, Seokhyun Nam, Jongdeok Park, Cheuljin Park
  • Patent number: 12177985
    Abstract: An apparatus for manufacturing a display device including: a photographing member configured to photograph a first alignment mark, a second alignment mark, a third alignment mark, and a fourth alignment mark, which are provided in a display panel; and a control member configured to set an imaginary reference point, taking into account the first alignment mark, the second alignment mark, the third alignment mark, and the fourth alignment mark, which are photographed by the photographing member. The control member sets a first position which is included in the imaginary reference point and at which a first imaginary straight line connecting the first alignment mark to the third alignment mark and a second imaginary straight line connecting the second alignment mark to the fourth alignment mark cross each other.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: December 24, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joonik Lee, Cheuljin Park, Kisang Yoo, Hyunkyung Yun
  • Publication number: 20240349584
    Abstract: A display device includes a display panel including a first area, a second area disposed on the first area, and a bending area extending from the first area to the second area, where the first area includes a first flat area and a first curved area disposed between the bending area and the first flat area, a driver disposed on the first flat area, a cover panel disposed between the first area and the second area, and a space layer including a first adhesive layer disposed between the cover panel and the first curved area and a second adhesive layer disposed between the cover panel and the first flat area. Here, the first adhesive layer has an adhesive property) different from an adhesive property of the second adhesive layer.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Inventors: CHEULJIN PARK, HYUNCHUL BAE
  • Patent number: 12048231
    Abstract: A display device includes a display panel including a first area, a second area disposed on the first area, and a bending area extending from the first area to the second area, where the first area includes a first flat area and a first curved area disposed between the bending area and the first flat area, a driver disposed on the first flat area, a cover panel disposed between the first area and the second area, and a space layer including a first adhesive layer disposed between the cover panel and the first curved area and a second adhesive layer disposed between the cover panel and the first flat area. Here, the first adhesive layer has an adhesive property different from an adhesive property of the second adhesive layer.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheuljin Park, Hyunchul Bae
  • Publication number: 20240237490
    Abstract: A display device includes: a display panel including a front area having a flat surface, side areas having curved surfaces, and corner areas located between two adjacent side areas among the side areas, respectively; and a first transparent layer disposed on the display panel and including a flat surface on the front area and a curved surface on each of the side areas, where the first transparent layer has a thickness on each of the side areas different from a thickness on the front area.
    Type: Application
    Filed: October 20, 2023
    Publication date: July 11, 2024
    Inventors: SUNGKOOK LEE, YOUNGSU KIM, JISOO KIM, DONGJIN PARK, CHEULJIN PARK, KISANG YOO, KYOUNGAH LEE
  • Publication number: 20240196704
    Abstract: A cover window includes a flat surface including a first side extending in a first direction and a second side contacting the first side and extending in a second direction different from the first direction, a first side surface contacting the first side and bent from the first side, a second side surface contacting the second side and bent from the second side, a corner curved surface disposed between the first side surface and the second side surface, a first base line defining a boundary where the first side surface and the corner curved surface contact each other, an entirety of the first base line having a curved shape, and a second base line defining a boundary where the second side surface and the corner curved surface contacting each other, an entirety of the second base line having a curved shape.
    Type: Application
    Filed: November 21, 2023
    Publication date: June 13, 2024
    Inventors: DONGJIN PARK, YOUNGSU KIM, CHEULJIN PARK, KISANG YOO, SUNGKOOK LEE
  • Patent number: 11994913
    Abstract: A display device includes a display module, a roller connected to a first end of the display module, a plurality of blocks on a rear surface of the display module and connected to a second end of the display module opposite the first end, a first gear connected to an hth block among the plurality of blocks, a second gear connected to an (h+1)th block among the plurality of blocks and engaged with the first gear, and a drive belt configured to transmit a driving force to the second gear.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Jin Jin, Jingyu Sim, Cheuljin Park