Patents by Inventor Hyun-Been Hwang

Hyun-Been Hwang 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: 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
  • Patent number: 11441054
    Abstract: A manufacturing method of an adhesive layer includes: providing a preliminary adhesive layer, attaching a mask to a first area portion of the preliminary adhesive layer, and thereby, provide a second area portion of the preliminary adhesive layer that is adjacent to the first area portion and to which the mask is not attached, to provide an adhesive layer that exhibits good folding reliability. In addition, a display device may exhibit good folding reliability characteristics by including the adhesive layer from which an adhesion force of a folding area is reduced between a supporting member and a display panel of the display device.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Cheol ho Choi, 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: 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
  • Publication number: 20220187979
    Abstract: A display device includes: a display panel comprising a display layer having a first display area, a second display area spaced apart from the first display area, and a third display area between the first and second display areas, and a touch sensor layer having a plurality of touch electrodes in the first, second, and third display areas on the display layer; a touch driver configured to drive the touch electrodes of the touch sensor layer; a digitizer layer below the display panel and overlapping with the first and second display areas, the digitizer layer comprising first electrode patterns and second electrode patterns; and an electromagnetic sensor driver configured to drive the first electrode patterns and the second electrode patterns of the digitizer layer to form a magnetic field in the digitizer layer.
    Type: Application
    Filed: November 18, 2021
    Publication date: June 16, 2022
    Inventors: Sung Ki JUNG, Eun Gil CHOI, Da Som GU, Yun Jae KIM, Jai Ku SHIN, Yong Chan JEON, Hyun Been HWANG
  • Publication number: 20220151085
    Abstract: A display device includes a display panel; a first upper support member on the display panel; and a second upper support member on the display panel and spaced from the first upper support member; and a blocking member including a blocking part crossing the first upper support member and the second upper support member, a first stretchable part connected to a side of the blocking part and including a plurality of openings, a second stretchable part connected to another side of the blocking part and including a plurality of openings, a first fixing part connected to the first stretchable part, and a second fixing part connected to the second stretchable part.
    Type: Application
    Filed: September 7, 2021
    Publication date: May 12, 2022
    Inventors: Sung Ki JUNG, Da Som GU, Yun Jae KIM, Jai Ku SHIN, Yong Chan JEON, Hyun Been HWANG
  • Publication number: 20220147102
    Abstract: A display device includes: a display panel including a folding area and a first non-folding area extended from a first folding line located on a first side of the folding area; a digitizer layer disposed on the display panel and including electrode patterns; and a step covering layer disposed between the display panel and the digitizer layer, wherein the step covering layer includes a first metal plate, a second metal plate, and a first non-metal plate, wherein the first metal plate overlaps the folding area, wherein the second metal plate overlaps the first non-folding area, and wherein the first non-metal plate overlaps the first non-folding area and is disposed on a first surface of the second metal plate.
    Type: Application
    Filed: November 8, 2021
    Publication date: May 12, 2022
    Inventors: Hirotsugu KISHIMOTO, Da Som GU, Yun Jae KIM, Yong Chan JEON, Hyun Been HWANG
  • 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
  • Patent number: 11301106
    Abstract: Provided is a display device. The display device comprises a functional layer in which a plurality of pixel areas are defined and which includes at least one coil to which an AC signal is applied and an input sensor configured to sense an input from an external source and disposed on the functional layer. The input sensor comprises a first conductive layer including a first sensing loop extending in a first direction, a sensing insulation layer disposed on the first conductive layer, and a second conductive layer disposed on the sensing insulation layer and including a second sensing loop extending in a second direction crossing the first direction.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 12, 2022
    Inventors: Hyun-Been Hwang, Yongchan Jeon, Cheol ho Choi, Hirotsugu Kishimoto
  • Publication number: 20220091689
    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: Application
    Filed: June 28, 2021
    Publication date: March 24, 2022
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGCHAN JEON, HYUN-BEEN HWANG
  • Patent number: 11281346
    Abstract: An electronic apparatus includes a window, a display panel disposed under the window, and a digitizer disposed under the display panel. The digitizer includes a photosensitive resin layer including a front surface and a rear surface opposite to the front surface, and a plurality of sensing coils disposed inside the photosensitive resin layer. The front surface is relatively flat compared with the rear surface.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kishimoto Hirotsugu, Hyun-Been Hwang, Cheol Ho Choi
  • Publication number: 20220086267
    Abstract: An electronic apparatus including: a display panel, which includes first and second non-folding areas arranged in a first direction and a folding area disposed between the first and second non-folding areas, wherein the display panel is folded along a folding axis extending in a second direction crossing the first direction, the display panel further including pixels; a lower member disposed below the display panel, wherein the lower member includes a lower opening overlapping the folding area; and a sensing sensor including a first sensing adhesive layer disposed between the display panel and the lower member and adjacent to the display panel, a second sensing adhesive layer in contact with the lower member, and a digitizer disposed between the first sensing adhesive layer and the second sensing adhesive layer and including a plurality of coils, wherein the second sensing adhesive layer has a sensing opening that overlaps the folding area.
    Type: Application
    Filed: July 20, 2021
    Publication date: March 17, 2022
    Inventors: JAIKU SHIN, SOJEONG LA, SUNG-KI JUNG, SUNG CHUL CHOI, HYUN-BEEN HWANG
  • Publication number: 20220075416
    Abstract: A digitizer includes a base member including a front surface and a rear surface opposing the front surface, first sensing lines disposed on the base member, arranged in a second direction, and extending in a first direction crossing the first direction, and second sensing lines disposed on the base member, spaced apart from the first sensing lines, arranged in the first direction, and extending in the second direction. The base member is foldable about an imaginary folding axis extending in the second direction and is provided with a through-hole penetrating at least a portion of the base member. The through-hole is surrounded by the first sensing lines and the second sensing lines.
    Type: Application
    Filed: June 23, 2021
    Publication date: March 10, 2022
    Inventors: HIROTSUGU KISHIMOTO, HYUN-BEEN HWANG
  • Publication number: 20220066583
    Abstract: An electronic apparatus includes a window, a display panel disposed below the window, and a digitizer disposed below the display panel. The digitizer includes a base layer having a first surface and a second surface opposing the first surface, a first sensing coil disposed on the first surface of the base layer, a second sensing coil disposed on the second surface of the base layer, a first adhesive layer disposed on the first sensing coil, and a second adhesive layer disposed on the second sensing coil. The first adhesive layer and the second adhesive layer are multi-curing adhesive layers.
    Type: Application
    Filed: June 1, 2021
    Publication date: March 3, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGCHAN JEON, HYUN-BEEN HWANG
  • Patent number: 11256377
    Abstract: A display device includes a display panel and a sensing panel disposed on the display panel. The sensing panel includes a first conductive layer disposed on a first surface of a base layer, a second conductive layer disposed on the first conductive layer, a first auxiliary conductive layer in a folding region on the same layer as the first conductive layer on the first surface of the base layer, a second auxiliary conductive layer in the folding region on the first auxiliary conductive layer and spaced apart from the second conductive layer, a third conductive layer disposed on a second surface of the base layer, and a fourth conductive layer disposed on the third conductive layer in first and second non-folding regions. The second auxiliary conductive layer is electrically connected to the third conductive layer via a contact hole passing through the first auxiliary conductive layer and the base layer.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Been Hwang, Hirotsugu Kishimoto, Dasom Gu, Sung-Ki Jung
  • Publication number: 20220043538
    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: Application
    Filed: June 7, 2021
    Publication date: February 10, 2022
    Inventors: HIROTSUGU KISHIMOTO, DASOM GU, YONGCHAN JEON, HYUN-BEEN HWANG
  • Publication number: 20220005889
    Abstract: A display device including: a window; a polarizer disposed on the window and including an opening; a display panel disposed below the polarizer and including a first display area and a second display area that has a pixel density lower than that of the first display area, wherein the second display area overlaps the opening of the polarizer; and an optical controller overlapping the second display area and is disposed on the display panel, wherein the optical controller reduces a transmittance of an optical signal.
    Type: Application
    Filed: May 13, 2021
    Publication date: January 6, 2022
    Inventors: CHUL HO JEONG, HYUN-BEEN HWANG, SEOKWON JANG, YONGCHAN JEON, HIROTSUGU KISHIMOTO