Patents by Inventor Chul Ho Jeong

Chul Ho Jeong 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: 11954297
    Abstract: A digitizer includes a base layer including first and second non-folding areas and a folding area disposed between the first and second non-folding areas and foldable with respect to a folding axis extending in a first direction and a plurality of coils disposed on the base layer and including a first coil and a second coil closest to the first coil. Each of the first coil and the second coil includes a coil portion defining an open loop and a line portion extending from the coil portion. The coil portion or the line portion overlaps the folding area, and a distance between the coil portion of the first coil and the coil portion of the second coil or a distance between the line portion of the first coil and the line portion of the second coil, which overlap the folding area, is equal to or greater than about 100 micrometers.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Chul Ho Jeong
  • Publication number: 20240107696
    Abstract: A window includes a window base layer and a window protecting layer disposed on the window base layer. At least one of the window base layer or the window protecting layer includes a metal-organic framework. The window mitigates deformations and wrinkles caused by folding.
    Type: Application
    Filed: August 11, 2023
    Publication date: March 28, 2024
    Inventors: YOUNGSANG PARK, SUNGGUK AN, JANG DOO LEE, CHUL HO JEONG
  • Publication number: 20240081404
    Abstract: Provided is a heater for an aerosol-generating device including a first electrically conductive pattern configured to perform heating and a second electrically conductive pattern arranged in parallel with the first electrically conductive pattern. The first electrically conductive pattern and/or the second electrically conductive pattern may include a material having a relatively small resistance temperature coefficient. Accordingly, a temperature increase rate of the heater may be greatly improved.
    Type: Application
    Filed: January 13, 2022
    Publication date: March 14, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jong Seong JEONG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Chul Ho JANG, Min Seok JEONG, Jin Chul JUNG
  • 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
  • Patent number: 11860693
    Abstract: An electronic apparatus includes a display layer including a folding area and non-folding areas, a digitizer disposed under the display layer and including first sensing coils, second sensing coils insulated from the first sensing coils, and data lines connected to the second sensing coils, and a support layer disposed under the digitizer, where openings are defined in a portion of the support layer overlapping the folding area. Each first sensing coil includes a long side extending in the first direction and a short side extending in the second direction, each second sensing coil includes a long side extending in the second direction and a short side extending in the first direction, and a width in the second direction of a portion of the data lines overlapping the folding area is greater than a width in the second direction of a portion of the data lines not overlapping the folding area.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dasom Gu, Hirotsugu Kishimoto, Chul Ho Jeong, Jeongil Yoo, Jang Doo Lee
  • 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
  • Patent number: 11822757
    Abstract: The present disclosure relates generally to a display device. According to one aspect of the present disclosure, a display device includes: a display panel configured to display an image on its front surface, a digitizer layer disposed on a back surface of the display panel and configured to generate a magnetic field by first electrode patterns and second electrode patterns, and an adhesive layer disposed between the display panel and the digitizer layer and containing SiOCH3CH3—CH2—CH2—SiCH3OCH3OCH3.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Da Som Gu, Yong Chan Jeon, Sung Ki Jung, Chul Ho Jeong, Seung Kyun Hong
  • 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
  • Patent number: 11726629
    Abstract: A display device includes a folding area and a non-folding area. The display device includes a display panel and a front stacked structure. The display panel has a front surface. The display panel is configured to display an image on the front surface. The front stacked structure disposed on the front surface of the display panel. The front stacked structure includes an adhesive layer disposed across the folding area and the non-folding area. The adhesive layer includes an ultraviolet curable adhesive. The ultraviolet curable adhesive includes vinylsilane and hydrosilane. The adhesive layer has a storage modulus of 0.05 MPa to 0.3 MPa within a temperature range of ?20° C. to 25° C.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hirotsugu Kishimoto, Da Som Gu, Chul Ho Jeong
  • 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
  • Publication number: 20230132000
    Abstract: A display device includes a display panel including a first non-foldable area, a foldable area, and a second non-foldable area defined therein, a sensor including a plurality of loop portions and a plurality of line portions, and at least one transverse line comprising at least one of the loop portions and the line portions that overlaps substantially all of the first non-foldable area, the foldable area, and the second non-foldable area. The at least one transverse line includes a first rigid portion overlapping the first non-foldable area, a flexible portion overlapping the foldable area, and a second rigid portion overlapping the second non-foldable area. The flexible portion has a first width, the first rigid portion has a second width, the second rigid portion has a third width, with the first width being greater than the second width and the third width.
    Type: Application
    Filed: September 21, 2022
    Publication date: April 27, 2023
    Inventors: HIROTSUGU KISHIMOTO, Dasom GU, Chul Ho JEONG
  • Publication number: 20230114397
    Abstract: An electronic device includes a display panel having a folding region, which is foldable with respect to a folding axis extending in one direction, and a first non-folding region and a second non-folding region spaced apart from each other with the folding region therebetween, and a lower member disposed below the display panel. The lower member includes a support layer disposed below the display panel, where the support layer includes a first support portion overlapping the first non-folding region, and a second support portion overlapping the second non-folding region, and a digitizer disposed below the display panel and corresponds to the first support portion and the second support portion. The first support portion and the second support portion each independently include a reinforcement fiber, where the reinforcement fiber includes an aramid fiber or includes a carbon fiber and a glass fiber.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 13, 2023
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, SUNGGUK AN, YONGHYUCK LEE, CHUL HO JEONG, HYUNJUN CHO, SOHRA HAN, SEUNGKYUN HONG
  • Publication number: 20230107534
    Abstract: A digitizer includes a base layer including first and second non-folding areas and a folding area disposed between the first and second non-folding areas and foldable with respect to a folding axis extending in a first direction and a plurality of coils disposed on the base layer and including a first coil and a second coil closest to the first coil. Each of the first coil and the second coil includes a coil portion defining an open loop and a line portion extending from the coil portion. The coil portion or the line portion overlaps the folding area, and a distance between the coil portion of the first coil and the coil portion of the second coil or a distance between the line portion of the first coil and the line portion of the second coil, which overlap the folding area, is equal to or greater than about 100 micrometers.
    Type: Application
    Filed: July 11, 2022
    Publication date: April 6, 2023
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, CHUL HO JEONG
  • 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