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).

  • Publication number: 20240147814
    Abstract: A display device includes a display panel and a protective film attached to a rear surface of the display panel through an adhesive layer. The display panel includes a first side extended in a first direction, a second side extended in a second direction intersecting the first direction, and a panel corner portion connecting the first side and the second side and having a curvature. The protective film includes recessed patterns disposed adjacent to the panel corner portion and overlapping the adhesive layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 2, 2024
    Inventors: KISANG YOO, YOUNGSU KIM, JISOO KIM, DONGJIN PARK, CHEULJIN PARK, KYOUNGAH LEE, SUNGKOOK LEE
  • Publication number: 20240105531
    Abstract: A display module includes a display member including a flat portion and a bending portion bent while extending from the flat portion and a guide film disposed on a rear surface of the display member and including an extended portion extending from an edge of the display member in a plan view. The guide film is provided with an opening defined therein to overlap the bending portion.
    Type: Application
    Filed: July 24, 2023
    Publication date: March 28, 2024
    Inventors: YOUNGSU KIM, CHEULJIN PARK, KISANG YOO
  • Publication number: 20230400888
    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: Application
    Filed: June 6, 2023
    Publication date: December 14, 2023
    Inventors: Cheuljin PARK, Kisang YOO, Hyunkyung YUN, Joonik LEE
  • Publication number: 20230329068
    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: April 11, 2023
    Publication date: October 12, 2023
    Inventors: Hyunkyung YUN, Cheuljin PARK, Kisang YOO, Joonik LEE
  • Patent number: 11723162
    Abstract: A display device includes a display module, a roller connected to a first end of the display module, a flexible circuit board connected to a second end of the display module, a printed circuit board facing a back surface of the display module and connected to the flexible circuit board, a first holder disposed between the printed circuit board and the display module, a second holder configured to accommodate the printed circuit board and the flexible circuit board, and a connection part protruding from the first holder toward the printed circuit board and connected to the printed circuit board.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Byoung Jin, Jingyu Sim, Cheuljin Park
  • Publication number: 20230113065
    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: Application
    Filed: May 25, 2022
    Publication date: April 13, 2023
    Inventors: Kisang Yoo, Cheuljin Park, Hyunkyung Yun, Joonik Lee
  • Publication number: 20230110932
    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: Application
    Filed: June 22, 2022
    Publication date: April 13, 2023
    Inventors: Joonik Lee, Cheuljin Park, Kisang Yoo, Hyunkyung Yun
  • Publication number: 20230107898
    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: Application
    Filed: September 30, 2022
    Publication date: April 6, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joonik LEE, Cheuljin PARK, Kisang YOO, Hyunkyung YUN
  • Publication number: 20230044285
    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: Application
    Filed: May 31, 2022
    Publication date: February 9, 2023
    Inventors: BYOUNG JIN JIN, JINGYU SIM, CHEULJIN PARK
  • Publication number: 20220312606
    Abstract: A display device includes a display module, a roller connected to a first end of the display module, a flexible circuit board connected to a second end of the display module, a printed circuit board facing a back surface of the display module and connected to the flexible circuit board, a first holder disposed between the printed circuit board and the display module, a second holder configured to accommodate the printed circuit board and the flexible circuit board, and a connection part protruding from the first holder toward the printed circuit board and connected to the printed circuit board.
    Type: Application
    Filed: December 15, 2021
    Publication date: September 29, 2022
    Inventors: Jin Byoung Jin, Jingyu Sim, Cheuljin Park
  • Publication number: 20210320283
    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: January 6, 2021
    Publication date: October 14, 2021
    Inventors: CHEULJIN PARK, HYUNCHUL BAE
  • Publication number: 20210265580
    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: April 29, 2019
    Publication date: August 26, 2021
    Inventors: Suk Won JUNG, Seokhyun NAM, Jongdeok PARK, Cheuljin PARK
  • Patent number: 10991790
    Abstract: A display device includes: a substrate having a first surface, a second surface opposite to the first surface, and an inner side surface defining through holes; a first wiring and a second wiring disposed on the first surface; and a first conductor and a second conductor disposed in one of the through holes. The first conductor is connected to the first wiring, the second conductor is connected to the second wiring, and the first and second conductors are insulated from each other.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: April 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngsu Kim, Dawoon Kim, Cheuljin Park, Sukwon Jung
  • Patent number: 10866476
    Abstract: A display device includes: a first substrate including a display area at which an image is displayed, a non-display area adjacent to the display area, and a first bent portion in the non-display area thereof, the first bent portion disposed in a plane inclined to a plane in which the display area is disposed; a second substrate opposing the first substrate; and a sealing portion which is disposed in the non-display area and attaches the first substrate and the second substrate to each other.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: December 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seongsik Choi, Cheuljin Park, Dawoon Kim, Youngsu Kim, Hyunchul Bae
  • Publication number: 20200161404
    Abstract: A display device includes: a substrate having a first surface, a second surface opposite to the first surface, and an inner side surface defining through holes; a first wiring and a second wiring disposed on the first surface; and a first conductor and a second conductor disposed in one of the through holes. The first conductor is connected to the first wiring, the second conductor is connected to the second wiring, and the first and second conductors are insulated from each other.
    Type: Application
    Filed: October 7, 2019
    Publication date: May 21, 2020
    Inventors: Youngsu KIM, Dawoon KIM, Cheuljin PARK, Sukwon JUNG
  • Publication number: 20190094641
    Abstract: A display device includes: a first substrate including a display area at which an image is displayed, a non-display area adjacent to the display area, and a first bent portion in the non-display area thereof, the first bent portion disposed in a plane inclined to a plane in which the display area is disposed; a second substrate opposing the first substrate; and a sealing portion which is disposed in the non-display area and attaches the first substrate and the second substrate to each other.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 28, 2019
    Inventors: Seongsik CHOI, Cheuljin PARK, Dawoon KIM, Youngsu KIM, Hyunchul BAE
  • Patent number: 10031280
    Abstract: A display device includes: a lower frame having a planar shape, where a first groove is defined in an edge of the lower frame; a first intermediate frame coupled to the lower frame to define an accommodating space, where the first intermediate frame includes a side wall portion on an edge of the lower frame; a first adhesive member on the first groove, where the first adhesive member fixes the first intermediate frame to the lower frame; a second intermediate frame on the first intermediate frame; a display panel on an upper surface of the second intermediate frame; and a second adhesive member on the upper surface of the second intermediate frame, where the second adhesive member fixes the display panel to the second intermediate frame.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: July 24, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seongsik Choi, Cheuljin Park
  • Patent number: 10018774
    Abstract: A display device includes a curved display panel, a light source unit, a curved light guide plate, a support frame disposed under the light guide plate and including a curved upper surface, a first magnetic member disposed at at least one edge of the upper surface of the support frame, and a second magnetic member disposed at at least one edge of a surface facing the upper surface of the light guide plate and facing the first magnetic member.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngsu Kim, Sehee Jeon, Cheuljin Park
  • Patent number: 9746702
    Abstract: A display device includes a display panel, a top chassis partially surrounding a top surface of the display panel and having first and second inserting holes, a bottom chassis configured to accommodate the display panel and having third and fourth inserting holes, and at least one fixing member extending through the third inserting hole, the first inserting hole, the second inserting hole and the fourth inserting hole to thereby couple the bottom chassis and the top chassis to each other.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheuljin Park, Hyunchul Bae, Donghyeon Lee, Kwangwook Choi
  • Publication number: 20170205571
    Abstract: A display device includes a curved display panel, a light source unit, a curved light guide plate, a support frame disposed under the light guide plate and including a curved upper surface, a first magnetic member disposed at at least one edge of the upper surface of the support frame, and a second magnetic member disposed at at least one edge of a surface facing the upper surface of the light guide plate and facing the first magnetic member.
    Type: Application
    Filed: November 1, 2016
    Publication date: July 20, 2017
    Inventors: Youngsu KIM, Sehee JEON, Cheuljin PARK