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).

  • 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
  • Patent number: 11614777
    Abstract: An electronic apparatus includes a display panel having non-folding areas arranged along a first direction, and a folding area disposed between the non-folding areas and folded along an imaginary folding axis extending in a second direction crossing the first direction, a lower protective film disposed below the display panel, a detection sensor disposed below the protective film, and a lower member disposed below the detection sensor. The detection sensor includes a digitizer including first sensing coils and second sensing coils, which are insulated and spaced apart from each other, and a shielding layer disposed below the digitizer. The shielding layer overlaps the folding area and a shielding opening is defined through the shielding layer.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Jeongil Yoo, Yunjae Kim, Jaiku Shin, Dongho Lee, Sung-Ki Jung, Chul Ho Jeong, Seungkyun Hong
  • Publication number: 20230076740
    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: Application
    Filed: July 12, 2022
    Publication date: March 9, 2023
    Inventors: DASOM GU, HIROTSUGU KISHIMOTO, CHUL HO JEONG, JEONGIL YOO, JANG DOO LEE
  • Patent number: 11592951
    Abstract: A display device includes a display panel configured to display an image on a first surface thereof, a digitizer layer disposed on a second surface opposite to the first surface of the display panel and including first electrode patterns configured to generate a magnetic field and second electrode patterns configured to generate a magnetic field, a shield member disposed on a first surface of the digitizer layer, and a rigid member between the display panel and the shield member.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Da Som Gu, Yong Hyuck Lee, Chul Ho Jeong, Hyun Jun Cho, Soh Ra Han, 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: 11567614
    Abstract: A flexible display device including a bending area and a plurality of non-bending areas may include a display substrate including a plurality of transistors and a light-emitting element, a sensing film below the display substrate, and a plurality of metal plates below the sensing film, and the metal plates include a soft magnetic material.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hirotsugu Kishimoto, Cheol Ho Choi, Hyun Been Hwang, Chul Ho Jeong
  • Patent number: 11515368
    Abstract: An organic light emitting display device includes a lower electrode, a pressure sensing layer disposed on the lower electrode, an upper electrode disposed on the pressure sensing layer, an organic light emitting structure disposed on the upper electrode, a window disposed on the organic light emitting structure and which is applied with a user pressure, and a haptic structure which generates a haptic signal when the user pressure detected through the lower electrode, the pressure sensing layer, and the upper electrode is greater than a predetermined pressure.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Been Hwang, Yong Chan Jeon, Chul Ho Jeong, Cheol Ho Choi, Hirotsugu Kishimoto
  • Publication number: 20220317791
    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: Application
    Filed: January 13, 2022
    Publication date: October 6, 2022
    Inventors: Hirotsugu KISHIMOTO, Da Som GU, Chul Ho Jeong
  • 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: 20220271253
    Abstract: A display device includes a display area and a non-display area which is adjacent to the display area. The display device includes a display panel, and a cover window structure which is on the display panel. The cover window structure includes a cover window including a first surface facing the display panel, a second surface opposite to the first surface, and a third surface connecting the first surface with the second surface, and a first window protection layer on the cover window. The first window protection layer includes a first protection portion on the first surface of the cover window and a second protection portion on the third surface of the cover window, where the second protection portion is in the non-display area.
    Type: Application
    Filed: September 13, 2021
    Publication date: August 25, 2022
    Inventors: Yong Chan JEON, Hirotsugu KISHIMOTO, Da Som GU, Jeong Il YOO, Jang Doo LEE, Chul Ho JEONG, 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: 20220164045
    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: Application
    Filed: August 26, 2021
    Publication date: May 26, 2022
    Inventors: HIROTSUGU KISHIMOTO, DA SOM GU, YONG CHAN JEON, SUNG KI JUNG, CHUL HO JEONG, SEUNG KYUN HONG
  • Publication number: 20220140027
    Abstract: A display device includes a substrate, a transistor disposed on the substrate, a pixel electrode electrically connected to the transistor, an emission layer disposed on the pixel electrode, a common electrode disposed on the emission layer, and a light blocking member disposed on the common electrode. The light blocking member overlaps the entire emission layer.
    Type: Application
    Filed: July 29, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Chan JEON, Hyun-Been HWANG, Da Som GU, Chul Ho JEONG
  • Publication number: 20220113824
    Abstract: A display device includes a display panel configured to display an image on a first surface thereof, a digitizer layer disposed on a second surface opposite to the first surface of the display panel and including first electrode patterns configured to generate a magnetic field and second electrode patterns configured to generate a magnetic field, a shield member disposed on a first surface of the digitizer layer, and a rigid member between the display panel and the shield member.
    Type: Application
    Filed: May 12, 2021
    Publication date: April 14, 2022
    Inventors: Hirotsugu Kishimoto, Da Som Gu, Yong Hyuck Lee, Chul Ho Jeong, Hyun Jun Cho, Soh Ra Han, Hyun Been Hwang
  • Publication number: 20220100234
    Abstract: An electronic apparatus includes a display panel having non-folding areas arranged along a first direction, and a folding area disposed between the non-folding areas and folded along an imaginary folding axis extending in a second direction crossing the first direction, a lower protective film disposed below the display panel, a detection sensor disposed below the protective film, and a lower member disposed below the detection sensor. The detection sensor includes a digitizer including first sensing coils and second sensing coils, which are insulated and spaced apart from each other, and a shielding layer disposed below the digitizer. The shielding layer overlaps the folding area and a shielding opening is defined through the shielding layer.
    Type: Application
    Filed: July 6, 2021
    Publication date: March 31, 2022
    Inventors: HIROTSUGU KISHIMOTO, JEONGIL YOO, YUNJAE KIM, JAIKU SHIN, DONGHO LEE, SUNG-KI JUNG, CHUL HO JEONG, SEUNGKYUN HONG
  • Publication number: 20220091319
    Abstract: A display device includes a window, a polarizing layer disposed directly on a lower portion of the window or attached to the lower portion of the window by an adhesive layer having a thickness smaller than about 5 micrometers, a retard layer disposed under the polarizing layer, and a display panel disposed under the polarizing layer. The retard layer includes a first retard layer and a second retard layer. At least one selected from a functional layer and a support plate is further disposed under the display panel. The functional layer includes at least one selected from a cushion layer and a digitizer, and the functional layer has a step difference.
    Type: Application
    Filed: May 25, 2021
    Publication date: March 24, 2022
    Inventors: HIROTSUGU KISHIMOTO, CHUL HO JEONG
  • Publication number: 20220093014
    Abstract: A display device includes: a display module in which a first region, a second region, and a third region are sequentially defined in one direction; a first plate disposed under the first region of the display module; a second plate disposed under the third region of the display module and spaced apart from the first plate; and a cover film attached to the first plate and the second plate, where the cover film includes a low friction coating part disposed in at least a portion of a surface of the cover film.
    Type: Application
    Filed: June 9, 2021
    Publication date: March 24, 2022
    Inventors: HIROTSUGU KISHIMOTO, CHUL HO JEONG
  • Publication number: 20220057834
    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: Application
    Filed: June 1, 2021
    Publication date: February 24, 2022
    Inventors: SEOKWON JANG, CHUL HO JEONG, DASOM GU, YONGCHAN JEON
  • Publication number: 20220009200
    Abstract: A display device includes a display panel which is foldable with respect to at least one folding axis, a first adhesive layer disposed on the display panel, and a window disposed on the first adhesive layer. The first adhesive layer has a storage modulus of about 1.8 MPa to about 4.0 MPa at room temperature.
    Type: Application
    Filed: March 25, 2021
    Publication date: January 13, 2022
    Inventors: DASOM GU, HIROTSUGU KISHIMOTO, CHUL HO JEONG