Patents by Inventor Yongchan JEON

Yongchan JEON 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: 11899493
    Abstract: An electronic apparatus includes: a display panel including a folding area foldable with respect to a folding axis, a panel protective layer disposed under the display panel, a digitizer disposed under the panel protective layer and including a base layer including a folding portion through which holes are defined, a first non-folding portion, and a second non-folding portion, and sensing coils disposed on the base layer, and an adhesive layer including a first portion attaching the panel protective layer to the first non-folding portion and a second portion spaced apart from the first portion with the folding portion interposed therebetween and attaching the panel protective layer to the second non-folding portion. The base layer includes a matrix portion including a filler and fiber lines arranged in the matrix portion and having a weave pattern.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Sungguk An, Yongchan Jeon, Chul Ho Jeong
  • Patent number: 11893197
    Abstract: An electronic apparatus includes a display panel including non-folding areas arranged in a first direction and a folding area between the first and second non-folding areas, and a digitizer disposed under the display panel, where the digitizer includes base layers each including non-folding parts and a folding part in which holes are defined, a first group coil including first to fourth sensing coils each having first and second portions overlapping the non-folding parts and a third portion overlapping the folding part and surrounding a portion of each of corresponding holes of the holes, and a second group coil insulated from the first group coil, where two or fewer third portions are disposed in a same layer between holes adjacent to each other in a second direction crossing the first direction among the holes.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yongchan Jeon, Hirotsugu Kishimoto, Chul Ho Jeong
  • Publication number: 20230400887
    Abstract: A display device includes a display panel having a foldable area, a first support member on a lower surface of the display panel, having a stretchable portion overlapping the foldable area, and including a magnesium alloy including magnesium (“Mg”) and an additive material, and a second support member on a lower surface of the first support member and including a first support plate and a second support plate spaced apart from each other. The content of the magnesium in the magnesium alloy is about 85 wt % to about 97 wt %.
    Type: Application
    Filed: February 21, 2023
    Publication date: December 14, 2023
    Inventors: HIROTSUGU KISHIMOTO, YONGCHAN JEON, CHUL HO JEONG
  • Publication number: 20230297132
    Abstract: A display device includes a folding region, and a non-folding region which is adjacent to the folding region along a first direction, a display module which displays an image, a window on the display module, a lower support plate facing the window with the display module therebetween, the lower support plate including a metal material, and an upper support plate between the display module and the lower support plate. The upper support plate includes a support layer including glass fiber and a polymer material, a first surface including a first concave-convex pattern, and a second surface opposite to the first surface, closer to the display module than the first surface and including a second concave-convex pattern and a metal layer directly on the first surface of the support layer, in the non-folding region.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 21, 2023
    Inventors: HIROTSUGU KISHIMOTO, YONGCHAN JEON, CHUL HO JEONG
  • Publication number: 20230288956
    Abstract: A display device includes a folding area and a non-folding area divided into a first non-folding area and a second non-folding area spaced apart in a first direction with the folding area therebetween. The display device includes a display module, a window on a first surface of the display module, and a support plate on a second surface of the display module. At least one of the window and the support plate includes a folding part corresponding to the folding area and including a plurality of first sub film layers stacked in the first direction, and a non-folding part corresponding to the non-folding area and including second sub film layers stacked in the first direction. A second sub film layer of the second sub film layers has a storage modulus larger than a storage modulus of a first sub film layer of the plurality of first sub film layers.
    Type: Application
    Filed: January 5, 2023
    Publication date: September 14, 2023
    Inventors: HIROTSUGU KISHIMOTO, YONGCHAN JEON, CHUL HO JEONG
  • Publication number: 20230289021
    Abstract: An electronic apparatus includes a display panel including non-folding areas arranged in a first direction and a folding area between the first and second non-folding areas, and a digitizer disposed under the display panel, where the digitizer includes base layers each including non-folding parts and a folding part in which holes are defined, a first group coil including first to fourth sensing coils each having first and second portions overlapping the non-folding parts and a third portion overlapping the folding part and surrounding a portion of each of corresponding holes of the holes, and a second group coil insulated from the first group coil, where two or fewer third portions are disposed in a same layer between holes adjacent to each other in a second direction crossing the first direction among the holes.
    Type: Application
    Filed: January 12, 2023
    Publication date: September 14, 2023
    Inventors: YONGCHAN JEON, HIROTSUGU KISHIMOTO, CHUL HO JEONG
  • Patent number: 11740655
    Abstract: A foldable window includes a first film having a modulus, a second film which faces the first film, is closer to a display panel of the display device than the first film and has a modulus, and an adhesive layer which is between the first film and the second film, bonds the first film to the second film. The modulus of the first film and the modulus of the second film are both equal to or more than about 7 gigapascals.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seokwon Jang, Chul Ho Jeong, Dasom Gu, Yongchan Jeon
  • Publication number: 20230236629
    Abstract: An electronic apparatus includes: a display panel including a folding area foldable with respect to a folding axis, a panel protective layer disposed under the display panel, a digitizer disposed under the panel protective layer and including a base layer including a folding portion through which holes are defined, a first non-folding portion, and a second non-folding portion, and sensing coils disposed on the base layer, and an adhesive layer including a first portion attaching the panel protective layer to the first non-folding portion and a second portion spaced apart from the first portion with the folding portion interposed therebetween and attaching the panel protective layer to the second non-folding portion. The base layer includes a matrix portion including a filler and fiber lines arranged in the matrix portion and having a weave pattern.
    Type: Application
    Filed: November 9, 2022
    Publication date: July 27, 2023
    Inventors: HIROTSUGU KISHIMOTO, SUNGGUK AN, YONGCHAN JEON, CHUL HO JEONG
  • Publication number: 20230229194
    Abstract: An electronic device includes a display panel including a folding area and a non-folding area which is adjacent to the folding area. and a digitizer which faces the display panel, senses a first external input and is foldable together with the display panel. The digitizer includes a substrate including a folding portion corresponding to the folding area of the display panel, the folding portion defining a plurality of openings of the substrate corresponding to the folding area of the display panel, a support portion which corresponds to the non-folding area of the display panel, and a reinforced fiber, and a first conductive pattern layer and a second conductive pattern layer each corresponding to the support portion of the substrate, the first conductive pattern layer and the second conductive pattern layer facing each other with the substrate therebetween.
    Type: Application
    Filed: October 13, 2022
    Publication date: July 20, 2023
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, JAIKU SHIN, YONGHYUCK LEE, HONGKWAN LEE, YONGCHAN JEON, CHUL HO JEONG, HYUNJUN CHO, SOHRA HAN
  • Publication number: 20230215301
    Abstract: An electronic apparatus includes a display module having non-folding areas and a folding area folded along a virtual folding axis, a lower plate which is disposed on a lower portion of the display module and in which lower openings overlapping the folding area are defined, and a digitizer including a first cover layer disposed on a lower portion of the lower plate, first sensing coils, second sensing coils insulated from the first sensing coils, a second cover layer, and a base layer. Each of the first cover layer, the first sensing coils, the second sensing coils, and the second cover layer does not overlap the folding area, and the base layer is exposed by the first cover layer and the second cover layer in the folding area.
    Type: Application
    Filed: November 11, 2022
    Publication date: July 6, 2023
    Inventors: HIROTSUGU KISHIMOTO, YONGCHAN JEON, CHUL HO JEONG
  • Patent number: 11693451
    Abstract: A digitizer includes a folding area a non-folding area. The digitizer includes a first base layer, a second base layer disposed on the first base layer, a third base layer disposed on the second base layer, a first sensing line disposed between the first base layer and the second base layer, and a second sensing line substantially perpendicular to the first sensing line, disposed between the second base layer and the third base layer, and including a first sub-line portion and a second sub-line portion disposed in the non-folding area, and a third sub-line portion disposed between the first sub-line portion and the second sub-line portion and corresponding to the folding area. The third sub-line portion has a fracture strain greater than a fracture strain of the first sub-line portion and the second sub-line portion.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Yongchan Jeon, Sung-Ki Jung, Seungkyun Hong, Hyun-Been Hwang
  • Publication number: 20230096996
    Abstract: An electronic apparatus includes a display panel including a folding area foldable with respect to a folding axis and a non-folding area which is adjacent to the folding area, a support plate facing the display panel, and a digitizer which faces the display panel with the support plate therebetween and detects a first external input. The digitizer includes a plate including a reinforcing fiber, a first conductive layer on a first surface of the plate, and a second conductive layer on a second surface of the plate which is opposite to the first surface of the plate.
    Type: Application
    Filed: June 7, 2022
    Publication date: March 30, 2023
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGHYUCK LEE, HONGKWAN LEE, YONGCHAN JEON, CHUL HO JEONG, HYUNJUN CHO, EUNGIL CHOI, SOHRA HAN
  • Patent number: 11614841
    Abstract: Provided is an electronic apparatus including a window, a display panel disposed below the window, a digitizer disposed below the display panel and including a first surface and a second surface opposing the first surface, a first adhesive layer disposed on the first surface, and a second adhesive layer disposed below the second surface, wherein the first adhesive layer and the second adhesive layer are two-time-cured. Accordingly, an electronic apparatus having improved folding and viewability properties may be provided.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Yongchan Jeon, Hyun-Been Hwang
  • Patent number: 11579741
    Abstract: An electronic apparatus includes a display module divided into a first non-folding area, a folding area foldable along an imaginary folding axis extending in a second direction crossing a first direction, and a second non-folding area, which are sequentially arranged in the first direction, and a sensing sensor including a first base layer disposed under the display module, first sensing coils disposed on the first base layer, second sensing coils insulated from the first sensing coils, and a first cover layer disposed between the first sensing coils and the second sensing coils. The first cover layer has a modulus less than a modulus of the first base layer.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Jaiku Shin, Yongchan Jeon, Sung-Ki Jung, Chul Ho Jeong, Seungkyun Hong, Hyun-Been Hwang
  • Patent number: 11552264
    Abstract: An electronic apparatus includes an electronic panel, a first support plate below the electronic panel, a second support plate below the first support plate, and a first input sensor between the first support plate and the second support plate. The electronic panel includes light emitting parts arranged in an active area. The active area includes a folding area and a first non-folding area and a second non-folding area adjacent to the folding area and spaced apart from each other. The first support plate includes a folding part overlapping the folding area, and a first support part and a second support part spaced apart from each other, the folding part being disposed between the first support part and the second support part. An edge of the second support plate protrudes further in the second direction than an edge of the first support plate protrudes.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yunjae Kim, Dasom Gu, Jaiku Shin, Yongchan Jeon, Sung-Ki Jung, Hyun-Been Hwang
  • Patent number: 11543926
    Abstract: An electronic apparatus includes a display module in which a folding area is defined, a plate disposed below the display module to support the display module, a digitizer disposed between the plate and the display module, a first adhesive layer disposed between the display module and the digitizer, and a second adhesive layer disposed between the digitizer and the plate. At least one of the first adhesive layer and the second adhesive layer includes first and second sub-adhesive layers spaced apart with respect to the folding area.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Yongchan Jeon, Hyun-Been Hwang
  • Publication number: 20220310947
    Abstract: A display device includes a display panel foldable about a folding axis, a window on the display panel, a protective film on the window, and a plurality of adhesive layers between the window and the protective film. The adhesive layers include a first adhesive layer on the window and a second adhesive layer on the first adhesive layer. The first adhesive layer includes a side chain crystalline polymer, and the second adhesive layer has a modulus smaller than a modulus of the first adhesive layer.
    Type: Application
    Filed: December 15, 2021
    Publication date: September 29, 2022
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGCHAN JEON, CHUL HO JEONG, HYUN-BEEN HWANG
  • Publication number: 20220229470
    Abstract: A digitizer includes a folding area a non-folding area. The digitizer includes a first base layer, a second base layer disposed on the first base layer, a third base layer disposed on the second base layer, a first sensing line disposed between the first base layer and the second base layer, and a second sensing line substantially perpendicular to the first sensing line, disposed between the second base layer and the third base layer, and including a first sub-line portion and a second sub-line portion disposed in the non-folding area, and a third sub-line portion disposed between the first sub-line portion and the second sub-line portion and corresponding to the folding area. The third sub-line portion has a fracture strain greater than a fracture strain of the first sub-line portion and the second sub-line portion.
    Type: Application
    Filed: September 14, 2021
    Publication date: July 21, 2022
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGCHAN JEON, SUNG-KI JUNG, SEUNGKYUN HONG, HYUN-BEEN HWANG
  • Publication number: 20220221952
    Abstract: An electronic apparatus includes a display module divided into a first non-folding area, a folding area foldable along an imaginary folding axis extending in a second direction crossing a first direction, and a second non-folding area, which are sequentially arranged in the first direction, and a sensing sensor including a first base layer disposed under the display module, first sensing coils disposed on the first base layer, second sensing coils insulated from the first sensing coils, and a first cover layer disposed between the first sensing coils and the second sensing coils. The first cover layer has a modulus less than a modulus of the first base layer.
    Type: Application
    Filed: November 18, 2021
    Publication date: July 14, 2022
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, JAIKU SHIN, YONGCHAN JEON, SUNG-KI JUNG, CHUL HO JEONG, SEUNGKYUN HONG, HYUN-BEEN HWANG
  • Publication number: 20220199921
    Abstract: An electronic apparatus includes an electronic panel, a first support plate below the electronic panel, a second support plate below the first support plate, and a first input sensor between the first support plate and the second support plate. The electronic panel includes light emitting parts arranged in an active area. The active area includes a folding area and a first non-folding area and a second non-folding area adjacent to the folding area and spaced apart from each other. The first support plate includes a folding part overlapping the folding area, and a first support part and a second support part spaced apart from each other, the folding part being disposed between the first support part and the second support part. An edge of the second support plate protrudes further in the second direction than an edge of the first support plate protrudes.
    Type: Application
    Filed: August 30, 2021
    Publication date: June 23, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: YUNJAE KIM, DASOM GU, JAIKU SHIN, YONGCHAN JEON, SUNG-KI JUNG, HYUN-BEEN HWANG