Patents by Inventor Hyunkyung YUN

Hyunkyung YUN 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: 11936037
    Abstract: The present disclosure relates to an anode for a lithium secondary battery and a lithium secondary battery including the same, wherein the anode includes a first anode active material layer formed on at least one surface of the anode current collector, wherein the first anode active material layer contains a mixture of natural graphite and artificial graphite as the anode active material and a first binder; a second anode active material layer formed on the first anode active material layer, wherein the second anode active material layer contains a mixture of artificial graphite and a silicon-based compound as the anode active material and a second binder; and wherein a weight ratio of the first binder and the second binder is 1 to 2:1.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: March 19, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dong Hwi Kim, Tae Hee Kim, Nanji Yun, Yojin Kim, Hyunkyung Do
  • Publication number: 20240083806
    Abstract: A method of manufacturing a window includes preparing a base material layer, forming a first hard coating layer on the base material layer, and forming a second hard coating layer on the first hard coating layer. The forming of the second hard coating layer is performed in an environment having an oxygen concentration of about 0.01% to about 0.1%.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Dong-Sung LEE, Hyunseung SEO, Hui yeon SHON, Hyunkyung YUN, Changmoo LEE, JONGHWAN CHO, Yongkyu KANG, Jihyun KO
  • Patent number: 11873245
    Abstract: A method of manufacturing a window includes preparing a base material layer, forming a first hard coating layer on the base material layer, and forming a second hard coating layer on the first hard coating layer. The forming of the second hard coating layer is performed in an environment having an oxygen concentration of about 0.01% to about 0.1%.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Lee, Hyunseung Seo, Hui yeon Shon, Hyunkyung Yun, Changmoo Lee, Jonghwan Cho, Yongkyu Kang, Jihyun Ko
  • Publication number: 20230403907
    Abstract: A method for manufacturing a display device includes: preparing a display panel including a first region, a bending region, and a second region, which are arranged in a first direction; disposing a release film overlapping the bending region on the display panel; applying a resin onto the first region to form a resin coating layer; pressing the resin coating layer, using a stamp coated with a release material; and curing the resin coating layer to form a preliminary resin layer.
    Type: Application
    Filed: April 7, 2023
    Publication date: December 14, 2023
    Inventors: EUN-KYUNG YEON, HYUNKYUNG YUN, SANGDUK LEE, HOIKWAN LEE, HAYOUNG CHOI
  • Publication number: 20230400888
    Abstract: A protective film and a display device including the protective film are provided. The protective film includes: a first layer having a middle area, a first side area connected to a first edge of the middle area, a second side area connected to a second edge intersecting with the first edge of the middle area, and a corner area connecting the first side area to the second side area, a second layer disposed on the first layer and exposing at least a portion of at least one of the corner area, the first side area, and the second side area of the first layer, and a third layer disposed on the exposed at least a portion of the at least one of the corner area, the first side area, and the second side area of the first layer, the third layer being a shape memory alloy.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 14, 2023
    Inventors: Cheuljin PARK, Kisang YOO, Hyunkyung YUN, Joonik LEE
  • Patent number: 11786932
    Abstract: A method of manufacturing a window includes aging a window substrate for 48 hours to 72 hours, subjecting the aged window substrate to a plasma, and forming an anti-fingerprint layer on the plasma-treated window substrate.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunkyung Yun, Jihyun Ko, Hyunseung Seo, Dongsung Lee
  • Publication number: 20230329068
    Abstract: A display apparatus includes: a display panel including a display element; a protective film disposed under the display panel and including a first silicon-based compound; and a cover panel disposed under the protective film, where the cover panel includes a silicon layer including a second silicon-based compound.
    Type: Application
    Filed: April 11, 2023
    Publication date: October 12, 2023
    Inventors: Hyunkyung YUN, Cheuljin PARK, Kisang YOO, Joonik LEE
  • Publication number: 20230244005
    Abstract: A cover window includes a window substrate having a first hardness and including polyvinylidene fluoride (PVDF), and a hard coating layer on at least one surface of the window substrate and having a second hardness which is greater than that of the window substrate.
    Type: Application
    Filed: April 4, 2023
    Publication date: August 3, 2023
    Inventors: Dongsung Lee, Hyunseung Seo, Hyunkyung Yun, Jihyun Ko
  • Patent number: 11644599
    Abstract: A cover window includes a window substrate having a first hardness and including polyvinylidene fluoride (PVDF), and a hard coating layer on at least one surface of the window substrate and having a second hardness which is greater than that of the window substrate.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongsung Lee, Hyunseung Seo, Hyunkyung Yun, Jihyun Ko
  • Publication number: 20230113065
    Abstract: A display apparatus includes a display panel including a central area and an outer area outside the central area and which is bent. A cover panel includes a cover central area overlapping the central area, a cover outer area overlapping the outer area, a light-blocking layer on the display panel and a groove layer disposed on a first surface of the light-blocking layer opposite to a second surface of the light-blocking layer facing the display panel. A plurality of grooves is defined in the groove layer in the cover central area.
    Type: Application
    Filed: May 25, 2022
    Publication date: April 13, 2023
    Inventors: Kisang Yoo, Cheuljin Park, Hyunkyung Yun, Joonik Lee
  • Publication number: 20230110932
    Abstract: An apparatus for manufacturing a display device including: a photographing member configured to photograph a first alignment mark, a second alignment mark, a third alignment mark, and a fourth alignment mark, which are provided in a display panel; and a control member configured to set an imaginary reference point, taking into account the first alignment mark, the second alignment mark, the third alignment mark, and the fourth alignment mark, which are photographed by the photographing member. The control member sets a first position which is included in the imaginary reference point and at which a first imaginary straight line connecting the first alignment mark to the third alignment mark and a second imaginary straight line connecting the second alignment mark to the fourth alignment mark cross each other.
    Type: Application
    Filed: June 22, 2022
    Publication date: April 13, 2023
    Inventors: Joonik Lee, Cheuljin Park, Kisang Yoo, Hyunkyung Yun
  • Publication number: 20230107898
    Abstract: The present disclosure relates to a protection member, a display apparatus and a method of manufacturing the display apparatus. The protection member includes a protective film including a first layer having a central area, a first side area extended to a first edge of the central area, a second side area intersecting the first edge of the central area, and a corner area extended between the first side area and the second side area, and a second layer arranged on the first layer and exposing at least a portion of the corner area of the first layer; and a shielding member shielding the at least the portion of the corner area exposed.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 6, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joonik LEE, Cheuljin PARK, Kisang YOO, Hyunkyung YUN
  • Publication number: 20220282113
    Abstract: A window may include a substrate layer and a coating layer on the substrate layer. The coating layer may include water molecules.
    Type: Application
    Filed: February 10, 2022
    Publication date: September 8, 2022
    Inventors: Hyunkyung Yun, Jihyun Ko, Hyunseung Seo, Dongsung Lee
  • Publication number: 20220266295
    Abstract: A method of manufacturing a window includes aging a window substrate for 48 hours to 72 hours, subjecting the aged window substrate to a plasma, and forming an anti-fingerprint layer on the plasma-treated window substrate.
    Type: Application
    Filed: September 16, 2021
    Publication date: August 25, 2022
    Inventors: Hyunkyung Yun, Jihyun Ko, Hyunseung Seo, Dongsung Lee
  • Publication number: 20220099864
    Abstract: A cover window includes a window substrate having a first hardness and including polyvinylidene fluoride (PVDF), and a hard coating layer on at least one surface of the window substrate and having a second hardness which is greater than that of the window substrate.
    Type: Application
    Filed: April 22, 2021
    Publication date: March 31, 2022
    Inventors: Dongsung Lee, Hyunseung Seo, Hyunkyung Yun, Jihyun Ko
  • Publication number: 20220089477
    Abstract: Methods of manufacturing a curved cover window of the disclosure prevent or reduce damage to a window substrate of the curved cover window. Methods include manufacturing methods in which a hard coating layer is formed on a window substrate, and optionally molding the window substrate on which the coating layer is formed in a manner as to minimize or reduce breaking or damage to the window substrate. By using a hard coating layer which is harder than the window substrate and which may include a first polycarbonate layer, a second polymethyl methacrylate layer, and polysilsesquioxane; and thermally molding the window substrate and hard coating layer at a temperature of about 120° C. to about 130° C. and for about three minutes to about five minutes; rupture of the window substrate during the molding process can be reduced.
    Type: Application
    Filed: April 6, 2021
    Publication date: March 24, 2022
    Inventors: Dongsung LEE, Jihyun KO, Seungho KIM, Hyunseung SEO, Hyunkyung YUN
  • Publication number: 20210405265
    Abstract: A method of manufacturing a window includes providing a base substrate and a protective film each including an upper surface and a lower surface, providing the upper surface of the protective film removably attached to the lower surface of the base substrate, providing a processed base substrate and a processed protective film by removing portions of the base substrate and the protective film to provide an exposed upper surface of the processed protective film which is closer to the lower surface thereof than the upper surface thereof, providing a first surface protection layer on both the upper surface of the processed base substrate and the exposed upper surface of the processed protective film, and providing the processed protective film separated from the processed base substrate to provide the window which is attachable to a display device and includes the processed base substrate having the first surface protection layer.
    Type: Application
    Filed: March 12, 2021
    Publication date: December 30, 2021
    Inventors: DONG-SUNG LEE, YONGKYU KANG, JIHYUN KO, HYUNSEUNG SEO, HUI YEON SHON, HYUNKYUNG YUN
  • Publication number: 20210289648
    Abstract: A cover window includes a base member which includes a top surface, a bottom surface opposite to the top surface, and a side surface connecting the top surface and the bottom surface to each other, a first hard coating layer on the top surface of the base member, and a protection layer in direct contact with at least a portion of the side surface of the base member.
    Type: Application
    Filed: January 6, 2021
    Publication date: September 16, 2021
    Inventors: Dong-Sung LEE, Yongkyu KANG, Jihyun KO, Hyunseung SEO, Hui yeon SHON, Hyunkyung YUN, Changmoo LEE
  • Publication number: 20210122669
    Abstract: A method of manufacturing a window includes preparing a base material layer, forming a first hard coating layer on the base material layer, and forming a second hard coating layer on the first hard coating layer. The forming of the second hard coating layer is performed in an environment having an oxygen concentration of about 0.01% to about 0.1%.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 29, 2021
    Inventors: Dong-Sung LEE, Hyunseung SEO, Hui yeon SHON, Hyunkyung YUN, Changmoo LEE, JONGHWAN CHO, Yongkyu KANG, Jihyun KO