Patents by Inventor Ji-Yoon Kim

Ji-Yoon Kim 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: 20250107391
    Abstract: A display device includes a first substrate including a light emitting area and a non-light emitting area, a first pixel electrode disposed on the light emitting area of the first substrate, a pixel defining layer disposed on the non-light emitting area of the first substrate and the first pixel electrode, a light emitting structure disposed on the first pixel electrode and including quantum dots, and a common electrode covering the light emitting structure and the pixel defining layer, wherein the pixel defining layer includes an inorganic insulating material layer including a fluorine-based material.
    Type: Application
    Filed: April 22, 2024
    Publication date: March 27, 2025
    Applicants: Samsung Display Co., LTD., SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Yoon KIM, Hyunsik YOON
  • Publication number: 20250048840
    Abstract: According to an embodiment of the disclosure, a display device is provided. The display device includes a base layer including a display area and a peripheral area, a light emitting element disposed in the display area and including a first electrode, a second electrode, and a light emitting part disposed between the first electrode and the second electrode, an electrode disconnection member disposed in the peripheral area, and an electrode portion disposed adjacent to the electrode disconnection member. The electrode disconnection member includes a reverse-taper member surrounding an area in a plan view. The reverse-taper member includes an inner edge facing the area. The electrode portion includes a first electrode portion disposed in the area and a second electrode portion disposed on an upper surface of the reverse-taper member along the inner edge. The first electrode portion and the second electrode portion are physically spaced apart from each other.
    Type: Application
    Filed: January 9, 2024
    Publication date: February 6, 2025
    Inventors: Sang Ho LEE, Hee Woon IM, Yool Guk KIM, Ji Yoon KIM, Hyeon Sik KIM
  • Publication number: 20250031525
    Abstract: A display device and a method of fabricating the same are provided. The display device comprises a substrate, a transistor disposed on the substrate, a via layer disposed over the transistor and including a contact hole extending to the transistor, a pixel electrode disposed on the via layer and connected to the transistor through the contact hole, a first bank layer disposed on the pixel electrode and extending in a first direction, and a second bank layer extended in a second direction crossing the first direction, a light emitting layer disposed on the pixel electrode, and a common electrode disposed on the light emitting layer, wherein the second bank layer comprises a first region that does not overlap the contact hole and a second region that overlaps the contact hole, and wherein a width of the second region is greater than a width of the first region.
    Type: Application
    Filed: March 26, 2024
    Publication date: January 23, 2025
    Inventors: Ji Yoon KIM, Yool Guk KIM, Hyeon Sik KIM, Sang Ho LEE, Hee Woon IM
  • Patent number: 12191417
    Abstract: A light emitting element includes a first surface corresponding to an end of the light emitting element, a second surface corresponding to another end of the light emitting element, a first semiconductor layer adjacent to the first surface, the first semiconductor layer including a first type of semiconductor, a second semiconductor layer adjacent to the second surface, the second semiconductor layer including a second type of semiconductor different from the first type of semiconductor, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. An area of the first surface is larger than an area of the second surface, and a distance between the first surface and the second surface is shorter than a length defined by the first surface.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Hee Lee, Dong Uk Kim, Se Hun Kim, Hyo Jin Ko, Dong Hoon Kwak, Young Il Kim, Ji Yoon Kim
  • Patent number: 12185588
    Abstract: A display device according to an embodiment includes: a substrate including a display area, a dummy area, and a peripheral area; a passivation layer positioned in the display area, the dummy region, and the peripheral area of the substrate; a first adhesive auxiliary layer positioned on the passivation layer and positioned in the dummy region; a dummy pixel defining layer positioned on the first adhesive auxiliary layer and including a hydrophobic material; a second adhesive auxiliary layer positioned on the passivation layer, positioned in the peripheral area, and including a lateral side contacting the dummy pixel defining layer; a common voltage transmitter positioned in the peripheral area; and a common electrode connected to the common voltage transmitter, and positioned on the second adhesive auxiliary layer and the dummy pixel defining layer.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: December 31, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Yoon Kim, Yool Guk Kim
  • Publication number: 20240431132
    Abstract: A display device includes a first substrate including an emission area and a non-emission area; a first pixel electrode positioned on the emission area of the first substrate; a first light emitting structure positioned on the first pixel electrode and including quantum dots; a pixel defining layer positioned on the non-emission area of the first substrate and positioned on the first pixel electrode; a common electrode covering the first light emitting structure and the pixel defining layer; and an encapsulation structure positioned on the common electrode and in contact with the common electrode such that the encapsulation structure overlaps the non-emission area. The encapsulation structure may include a second substrate and a hydrogen donor layer positioned between the second substrate and the common electrode. The hydrogen donor layer may overlap the emission area and may be in contact with or spaced apart from the common electrode.
    Type: Application
    Filed: January 16, 2024
    Publication date: December 26, 2024
    Inventors: Hee Woon IM, Yool Guk KIM, Ji Yoon KIM, Hyeon Sik KIM, Sang Ho LEE
  • Publication number: 20240355637
    Abstract: A for fabricating a semiconductor device comprises forming a mask layer on a substrate, the mask layer defining a through hole that exposes an upper surface of the substrate, the mask layer comprising a first mask layer and a second mask layer, wherein the second mask layer is between the substrate and the first mask layer, and wherein the second mask layer comprises carbon. The method includes forming a liner layer on side walls of the through hole inside the second mask layer.
    Type: Application
    Filed: September 28, 2023
    Publication date: October 24, 2024
    Inventors: John Soo Kim, Gwan Ho Kim, Ji Yoon Kim, Heung Sik Park, Keun Hee Bai, Jong Min Baek, Do Haing Lee, Jong Sun Lee
  • Publication number: 20240239782
    Abstract: The present invention relates to a sulfate crystal form of a compound represented by formula 1, a method of producing same, and a pharmaceutical composition comprising same. The sulfate crystal form of the compound represented by formula 1 of the present invention may be characterized by an XRPD pattern, a DSC profile, and/or a TGA profile.
    Type: Application
    Filed: May 6, 2022
    Publication date: July 18, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240239769
    Abstract: The present invention relates to a co-crystal of a compound represented by chemical formula 1 and vanillin, a method for preparing same, and a pharmaceutical composition comprising same. The co-crystal of the compound represented by chemical formula 1 and vanillin of the present invention has excellent chemical and physical stability and is characterized by the XRD pattern, DSC profile, and/or TGA profile.
    Type: Application
    Filed: May 6, 2022
    Publication date: July 18, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240239783
    Abstract: The present invention relates to a crystal form VII of a compound represented by chemical formula 1, a method for preparing same, and a pharmaceutical composition comprising same. The crystal form VII of the compound represented by chemical formula 1, according to the present invention, can be characterized by an XRD pattern, a DSC profile, and/or a TGA profile.
    Type: Application
    Filed: May 6, 2022
    Publication date: July 18, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ho Yeon LEE, Jin Ok HAM, Sang Dae LEE, Ji Yoon KIM, Jong Won PARK, Sung Won KIM, Seul Ah CHUN
  • Publication number: 20240228473
    Abstract: The present invention relates to a crystalline form V of a compound represented by chemical formula 1, a method for preparing same, and a pharmaceutical composition comprising same. Crystalline form V of the compound represented by chemical formula 1 according to the present invention may be characterized by an XRD pattern, a DSC profile, and/or a TGA profile.
    Type: Application
    Filed: May 6, 2022
    Publication date: July 11, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Jin Ok HAM, Ho Yeon LEE, Sang Dae LEE, Ji Yoon KIM, Jong Won PARK, Sung Won KIM, Seul Ah CHUN
  • Publication number: 20240217954
    Abstract: The present invention relates to a crystal form IV of organic acid salts of a compound represented by chemical formula 1, a preparation method thereof, and a pharmaceutical composition comprising same. The crystal form IV of organic acid salts of the compound represented by chemical formula 1 of the present invention may be characterized by an XRPD pattern, a DSC profile, and/or a TGA profile.
    Type: Application
    Filed: May 6, 2022
    Publication date: July 4, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240208930
    Abstract: The present invention relates to a crystalline form of a sphingosine-1-phosphate receptor agonist and, more particularly, to a crystalline form0- of 1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-4-carboxylic acid of chemical formula 1 or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 13, 2022
    Publication date: June 27, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seul Ah CHUN, Sung Wook KIM, Sung Won KIM, Ki Dae KIM, Soo Min LEE
  • Publication number: 20240059652
    Abstract: The present invention relates to an amorphous compound represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The amorphous compound represented by formula 1 of the present invention may be characterized by XPRD patterns, DSC profiles, and/or a NMR spectrum.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 22, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seung Wan KANG, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240051919
    Abstract: The present invention relates to a crystalline form III represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form III represented by formula 1 of the present invention may be characterized by XRPD patterns, TG/DTA profiles, an NMR spectrum, and/or DVS profiles.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 15, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240051944
    Abstract: The present invention relates to a crystalline form II represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form II represented by formula 1 of the present invention may be characterized by XRPD patterns, DSC profiles, TGA profiles, and/or DVS profiles.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 15, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Ho Yeon LEE, Jin Ok HAM, Seul Ah CHUN, Sung Won KIM
  • Publication number: 20240043407
    Abstract: The present invention relates to a crystalline form I represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form I represented by formula 1 of the present invention may be characterized by XRPD patterns, DSC profiles, TGA profiles, and/or DVS profiles.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 8, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Ji Yoon KIM, Sang Dae LEE, Ri Ra KIM, Sung Won KIM, Ho Yeon LEE, Seul Ah CHUN, Jin Ok HAM
  • Publication number: 20240010633
    Abstract: The present invention relates to a crystalline form IV represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form IV represented by formula 1 of the present invention may be characterized by XRD patterns, DSC profiles, and/or TGA profiles.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 11, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Jin Ok HAM, Ho Yeon LEE, Ji Yoon KIM, Sung Won KIM, Seul Ah CHUN, Sang Dae LEE, Jong Won PARK
  • Publication number: 20230399321
    Abstract: The present invention relates to a crystalline form II represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form II represented by formula 1 of the present invention may be characterized by XRD patterns, DSC profiles, and/or TGA profiles.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 14, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Jin Ok HAM, Ho Yeon LEE, Ji Yoon KIM, Sung Won KIM, Seul Ah CHUN, Sang Dae LEE, Jong Won PARK
  • Publication number: 20230382895
    Abstract: The present invention relates to a crystalline form III represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form III represented by formula 1 of the present invention may be characterized by XRD patterns, DSC profiles, and/or TGA profiles.
    Type: Application
    Filed: October 29, 2021
    Publication date: November 30, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Jin Ok HAM, Ho Yeon LEE, Ji Yoon KIM, Sung Won KIM, Seul Ah CHUN, Sang Dae LEE, Jong Won PARK