Patents by Inventor Sohra HAN

Sohra HAN 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: 11972703
    Abstract: A foldable display device includes a display module including a first non-folding portion, a second non-folding portion, and a first folding portion between the first non-folding portion and the second non-folding portion, a first support member on a lower surface of the display module, the first support member including a first support portion supporting the first non-folding portion, a second support portion supporting the second non-folding portion, and a first opening pattern overlapping the first folding portion, and including a glass material, and a second support member under the first support member and supporting the display module.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunjun Cho, Kyu Young Kim, Yong-Kwan Kim, Hansun Ryou, Yonghyuck Lee, Hongkwan Lee, Sohra Han
  • Publication number: 20240015906
    Abstract: An electronic device includes a display panel including a folding region to fold with respect to a folding axis, and a non-folding region including a first non-folding region and a second non-folding region spaced apart with the folding region therebetween, and a support plate including a plurality of fiber layers including a plurality of reinforced fibers, the support plate being under the display panel, wherein the support plate has a thickness of about 100 ?m to about 300 ?m, when the thickness of the support plate is about 100 ?m to about 200 ?m, each fiber layer has a thickness of equal to or greater than about 30 ?m and less than about 50 ?m, and when the thickness is greater than about 200 ?m and equal to or smaller than about 300 ?m, each fiber layer has a thickness of about 40 ?m to about 100 ?m.
    Type: Application
    Filed: June 21, 2023
    Publication date: January 11, 2024
    Inventors: HONGKWAN LEE, YONGHYUCK LEE, HYUNJUN CHO, SOHRA HAN
  • Publication number: 20230247778
    Abstract: An electronic device includes a display layer and a support part disposed under the display layer. The support part includes a first support portion having first and second surfaces defined thereon, and a second support portion facing the second surface. The first support portion includes a first material, the first surface faces the display layer, and the first surface is closer to the display layer than the second surface is. The second support portion includes a second material different from the first material. The first material includes glass fiber reinforced plastic.
    Type: Application
    Filed: September 22, 2022
    Publication date: August 3, 2023
    Inventors: YONG-KWAN KIM, YONGHYUCK LEE, HONGKWAN LEE, HYUNJUN CHO, SOHRA HAN
  • 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: 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: 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
  • Publication number: 20230071229
    Abstract: A display device includes: a display module; a plate positioned on a rear surface of the display module; and a digitizer positioned on a rear surface of the plate. The plate includes a first layer, a second layer, and a third layer each including carbon fiber reinforced plastic, and a fiber area weight (FAW) of the second layer is 100 g/m2 to 150 g/m2.
    Type: Application
    Filed: June 3, 2022
    Publication date: March 9, 2023
    Inventors: Hong Kwan LEE, Yong Hyuck LEE, Hyun Jun CHO, Sohra HAN
  • Publication number: 20220229469
    Abstract: An electronic device includes a display module, and a support plate disposed under the display module and comprising reinforced fibers having long axes arranged in parallel to a direction. The electronic device is divided into a folding area foldable with respect to a folding axis extending in the direction, and a non-folding area adjacent to the folding area.
    Type: Application
    Filed: October 12, 2021
    Publication date: July 21, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUNJUN CHO, KYU YOUNG KIM, YONG-KWAN KIM, HANSUN RYOU, YONGHYUCK LEE, HONGKWAN LEE, SOHRA HAN
  • Publication number: 20220198964
    Abstract: A foldable display device includes a display module including a first non-folding portion, a second non-folding portion, and a first folding portion between the first non-folding portion and the second non-folding portion, a first support member on a lower surface of the display module, the first support member including a first support portion supporting the first non-folding portion, a second support portion supporting the second non-folding portion, and a first opening pattern overlapping the first folding portion, and including a glass material, and a second support member under the first support member and supporting the display module.
    Type: Application
    Filed: August 6, 2021
    Publication date: June 23, 2022
    Inventors: HYUNJUN CHO, KYU YOUNG KIM, YONG-KWAN KIM, HANSUN RYOU, YONGHYUCK LEE, HONGKWAN LEE, SOHRA HAN
  • Patent number: 11244989
    Abstract: A display device includes a base layer, a circuit layer, a light emitting element layer, and a thin film encapsulation layer. The base layer includes a display area and a non-display area. The circuit layer includes a plurality of insulating layers, at least one of which has an opening. The light emitting element layer includes a light emitting area overlapping the display area, a valley area overlapping the opening and having a concave shape, and a peak area overlapping the non-display area and being on the circuit layer. The thin film encapsulation layer includes an organic encapsulation layer that covers the light emitting area, the valley area, and at least a portion of the peak area.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: February 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seungwoo Seo, Seungjae Lee, Ji Hwang Lee, Sohra Han
  • Publication number: 20210126057
    Abstract: A display device includes a base layer, a circuit layer, a light emitting element layer, and a thin film encapsulation layer. The base layer includes a display area and a non-display area. The circuit layer includes a plurality of insulating layers, at least one of which has an opening. The light emitting element layer includes a light emitting area overlapping the display area, a valley area overlapping the opening and having a concave shape, and a peak area overlapping the non-display area and being on the circuit layer. The thin film encapsulation layer includes an organic encapsulation layer that covers the light emitting area, the valley area, and at least a portion of the peak area.
    Type: Application
    Filed: July 14, 2020
    Publication date: April 29, 2021
    Inventors: Seungwoo SEO, Seungjae LEE, Ji Hwang LEE, Sohra HAN
  • Patent number: 9825108
    Abstract: A curved display device is disclosed. In one aspect, the display device includes a substrate comprising a flat portion and at least one curved portion, a display unit comprising a first display area on the flat portion, and a second display area on the curved portion, and a thin-film encapsulating layer sealing the display unit, and comprising at least one organic layer and at least one inorganic layer. The display device also includes a functional layer over the thin-film encapsulating layer, wherein the thin-film encapsulating layer comprises a first region overlapping the curved portion, and a second region overlapping the flat portion. The inorganic layer contacts the functional layer, and wherein the inorganic layer has a first surface roughness in the first region different from a second surface roughness in the second region.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngji Kim, Jungsu Kim, Dongmyung Shin, Jonggil Ryu, Sohra Han
  • Publication number: 20170062537
    Abstract: A curved display device is disclosed. In one aspect, the display device includes a substrate comprising a flat portion and at least one curved portion, a display unit comprising a first display area on the flat portion, and a second display area on the curved portion, and a thin-film encapsulating layer sealing the display unit, and comprising at least one organic layer and at least one inorganic layer. The display device also includes a functional layer over the thin-film encapsulating layer, wherein the thin-film encapsulating layer comprises a first region overlapping the curved portion, and a second region overlapping the flat portion. The inorganic layer contacts the functional layer, and wherein the inorganic layer has a first surface roughness in the first region different from a second surface roughness in the second region.
    Type: Application
    Filed: June 8, 2016
    Publication date: March 2, 2017
    Inventors: Youngji Kim, Jungsu Kim, Dongmyung Shin, Jonggil Ryu, Sohra Han
  • Patent number: 9520450
    Abstract: A method of manufacturing a flexible display apparatus and a flexible display apparatus, the method including preparing a flexible substrate such that the flexible substrate includes a display area and a peripheral area at an outer portion of the display area; forming an inorganic layer portion on the display area and the peripheral area of the flexible substrate; forming a plurality of organic light emitting devices on the display area of the flexible substrate; detecting a crack of the inorganic layer portion formed on the peripheral area of the flexible substrate; and forming a crack guide hole around the crack.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngji Kim, Sohra Han
  • Publication number: 20160079539
    Abstract: A method of manufacturing a flexible display apparatus and a flexible display apparatus, the method including preparing a flexible substrate such that the flexible substrate includes a display area and a peripheral area at an outer portion of the display area; forming an inorganic layer portion on the display area and the peripheral area of the flexible substrate; forming a plurality of organic light emitting devices on the display area of the flexible substrate; detecting a crack of the inorganic layer portion formed on the peripheral area of the flexible substrate; and forming a crack guide hole around the crack.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 17, 2016
    Inventors: Youngji KIM, Sohra HAN