Patents by Inventor Yun Hye Hahm

Yun Hye Hahm 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: 12205776
    Abstract: An organic-inorganic hybrid solar cell and method for manufacturing the same wherein the solar cell includes a first electrode, a first common layer provided on the first electrode, a light absorption layer including a perovskite material provided on the first common layer, a second common layer provided on the light absorption layer, and a conductive adhesive layer provided on the second common layer.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: January 21, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Sang Jun Park, Yun Hye Hahm, Jong Seok Kim, Yongnam Kim, Seiyong Kim
  • Publication number: 20240304816
    Abstract: The present application relates to an electrode comprising a current collector and an active material layer, which can provide an electrode capable of securing high levels of inter-particle adhesion force and adhesion force between the active material layer and the current collector relative to the binder content in the active material layer. Through this, it is also possible to provide a secondary battery having excellent performance, and the like, while having a high capacity.
    Type: Application
    Filed: January 28, 2022
    Publication date: September 12, 2024
    Inventors: Geun Sung LEE, Il Ha LEE, In Taek SONG, Jin Woo PARK, Ki Hwan KIM, Ho Chan LEE, Yun Hye HAHM
  • Patent number: 12004414
    Abstract: A method for manufacturing a device, the method including: preparing a first laminate including a first buffer layer and a second buffer layer; preparing a second laminate including a third buffer layer provided on a carbon electrode; and attaching the first laminate to the second laminate so that the second buffer layer is in contact with the third buffer layer.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 4, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yongnam Kim, Jong Seok Kim, Yun Hye Hahm, Seiyong Kim
  • Patent number: 11177078
    Abstract: A precursor for a light absorbing layer, including a perovskite precursor, and a fluorine-based organic compound in an amount of 0.005 wt % to 0.5 wt % based on the mass of the perovskite precursor, and a method for manufacturing an organic-inorganic hybrid solar cell using the same.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: November 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yongnam Kim, Yun Hye Hahm, Jong Seok Kim, Sang Jun Park, Seiyong Kim
  • Publication number: 20210273170
    Abstract: A method for manufacturing a device, the method including: preparing a first laminate including a first buffer layer and a second buffer layer; preparing a second laminate including a third buffer layer provided on a carbon electrode; and attaching the first laminate to the second laminate so that the second buffer layer is in contact with the third buffer layer.
    Type: Application
    Filed: September 18, 2019
    Publication date: September 2, 2021
    Inventors: Yongnam Kim, Jong Seok Kim, Yun Hye Hahm, Seiyong Kim
  • Publication number: 20200365334
    Abstract: A precursor for a light absorbing layer, including a perovskite precursor, and a fluorine-based organic compound in an amount of 0.005 wt % to 0.5 wt % based on the mass of the perovskite precursor, and a method for manufacturing an organic-inorganic hybrid solar cell using the same. The present specification relates to a precursor for a light absorbing layer, including: a perovskite precursor; and a fluorine-based organic compound in an amount of 0.005 wt % to 0.5 wt % based on the perovskite precursor, and a method for manufacturing an organic-inorganic hybrid solar cell using the same.
    Type: Application
    Filed: December 10, 2018
    Publication date: November 19, 2020
    Inventors: Yongnam KIM, Yun Hye HAHM, Jong Seok KIM, Sang Jun PARK, Seiyong KIM
  • Publication number: 20200350125
    Abstract: An organic-inorganic hybrid solar cell and method for manufacturing the same wherein the solar cell includes a first electrode, a first common layer provided on the first electrode, a light absorption layer including a perovskite material provided on the first common layer, a second common layer provided on the light absorption layer, and a conductive adhesive layer provided on the second common layer.
    Type: Application
    Filed: September 21, 2018
    Publication date: November 5, 2020
    Inventors: Sang Jun PARK, Yun Hye HAHM, Jong Seok KIM, Yongnam KIM, Seiyong KIM
  • Patent number: 10522788
    Abstract: The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and a light scattering layer provided between the light emitting layer and the cathode.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: December 31, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Patent number: 9831457
    Abstract: The present disclosure provides an organic light emitting device that includes a first electrode, a second electrode, and two or more light emitting units provided between the first electrode and the second electrode, wherein a charge generation layer is provided between, among the light emitting units, two light emitting units that are adjacent to each other, an electron transport layer is provided between the charge generation layer and the light emitting unit placed closer to the first electrode of the two adjacent light emitting units, and the electron transport layer includes a first electron transport layer doped with an n-type dopant, and a second electron transport layer doped with a metal salt, metal oxide or organic metal salt.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 28, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Minsoo Kang, Jeoung Kwen No, Mun Kyu Joo, Yun Hye Hahm
  • Patent number: 9741951
    Abstract: Provided are a substrate for an organic electronic device (OED) and a use thereof. Provided is a substrate for a device having excellent durability by preventing interlayer delamination occurring due to internal stress in a structure in which an organic material and an inorganic material are mixed. In addition, provided is an OED having another required physical property such as excellent light extraction efficiency using the substrate, as well as the excellent durability.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: August 22, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyoung Lee, Yun Hye Hahm, Sang Jun Lee
  • Patent number: 9647225
    Abstract: Disclosed is a stacked organic light emitting device and a display apparatus including the stacked organic light emitting device. The stacked organic light emitting device includes an anode connected to an external power source, a cathode connected to the external power source, at least two light emitting sections aligned between the anode and the cathode, including a light emitting layer, and an internal electrode aligned between the light emitting sections. The internal electrode is a single-layered internal electrode which is made from one selected from the group consisting of a metal, alloys of the metal, and metal oxides thereof, having a work function below 4.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Ji Weon Jeong, Young Chul Lee, Jeoung Kwen Noh, Yun Hye Hahm, Dong Seob Jeong, Jun Gi Jang
  • Patent number: 9570705
    Abstract: Provided are a method of manufacturing an organic electronic device (OED), an OED manufactured thereby, and a use of the OED. During a process of manufacturing an OED, exposure of a pad region may be efficiently performed in a simple process, thereby preventing permeation of a contaminant, and an OED manufactured by the method and a use of the OED may be provided.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Yun Hye Hahm, Jung Hyoung Lee
  • Patent number: 9508949
    Abstract: An organic light emitting device includes a first electrode, a second electrode, and two or more organic material layers provided between the first electrode and the second electrode. The organic material layer includes a light emitting layer, and a mixed layer including one or more hole transfer materials and one or more electron transfer materials.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: November 29, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Wonik Jeong, Jeamin Moon, Yun Hye Hahm, Jina You
  • Patent number: 9508950
    Abstract: The present specification discloses an organic electroluminescent device including an anode, a cathode, a light emitting layer provided between the cathode and the anode, a first p-type organic material layer provided between the cathode and the light emitting layer, and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 29, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Publication number: 20160197292
    Abstract: Provided are a substrate for an organic electronic device (OED) and a use thereof. Provided is a substrate for a device having excellent durability by preventing interlayer delamination occurring due to internal stress in a structure in which an organic material and an inorganic material are mixed. In addition, provided is an OED having another required physical property such as excellent light extraction efficiency using the substrate, as well as the excellent durability.
    Type: Application
    Filed: September 30, 2014
    Publication date: July 7, 2016
    Inventors: Jung Hyoung LEE, Yun Hye HAHM, Sang Jun LEE
  • Patent number: 9281490
    Abstract: The present specification discloses an organic electroluminescent device including: a substrate; a cathode provided on the substrate; a light emitting layer provided on the cathode; an anode provided on the light emitting layer; a first p-type organic material layer provided between the cathode and the light emitting layer; and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: March 8, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Patent number: 9269919
    Abstract: The present specification discloses an organic electroluminescent device including: an anode; a cathode; and two or more light emitting units provided between the anode and the cathode and including a light emitting layer, in which a light emitting unit among the light emitting units, which is the most associated with the cathode, includes a first n-type organic material layer provided on the cathode side of the light emitting layer, and a first p-type organic material layer is provided between the light emitting unit among the light emitting units, which is the most associated with the cathode, and the cathode.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: February 23, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Publication number: 20160035998
    Abstract: Provided are a method of manufacturing an organic electronic device (OED), an OED manufactured thereby, and a use of the OED. During a process of manufacturing an OED, exposure of a pad region may be efficiently performed in a simple process, thereby preventing permeation of a contaminant, and an OED manufactured by the method and a use of the OED may be provided.
    Type: Application
    Filed: September 30, 2014
    Publication date: February 4, 2016
    Inventors: Yun Hye HAHM, Jung Hyoung LEE
  • Patent number: 9190626
    Abstract: An organic electroluminescent device includes an anode, a cathode, a light emitting layer provided between the anode and the cathode, a first organic material layer being in physical contact with the anode and doped with a p-type dopant, and a second organic material layer being in physical contact with the cathode and doped with a p-type dopant. The concentration of the p-type dopant in the first organic material layer is 50% by weight or more and less than 100% by weight.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 17, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Publication number: 20150194624
    Abstract: An organic light emitting device includes a first electrode, a second electrode, and two or more organic material layers provided between the first electrode and the second electrode. The organic material layer includes a light emitting layer, and a mixed layer including one or more hole transfer materials and one or more electron transfer materials.
    Type: Application
    Filed: July 18, 2013
    Publication date: July 9, 2015
    Inventors: Wonik Jeong, Jeamin Moon, Yun Hye Hahm, Jina You