Patents by Inventor Hanbit JANG

Hanbit JANG 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).

  • Compound, photosensitive fluorescent resin composition comprising same, color conversion film prepared using same, backlight unit, and display device
    Patent number: 12584020
    Abstract: A compound represented by Chemical Formula 1: a photoresist fluorescent resin composition containing the compound of the Chemical Formula 1, a binder resin and a polymerizable compound including an ethylenically unsaturated bond, a color conversion film manufactured using the photoresist fluorescent resin composition, a backlight unit comprising the color conversion film, and a display apparatus comprising the backlight unit.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 24, 2026
    Assignee: LG CHEM, LTD.
    Inventors: Hanbit Jang, Jaemyeng Jeong, Duy Hieu Le, Hoyong Lee
  • Compound, photosensitive fluorescent resin composition comprising same, color conversion film manufactured therefrom, backlight unit, and display device
    Patent number: 12384781
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: August 12, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Hanbit Jang, Duy Hieu Le, Jaemyeng Jeong, Hoyong Lee
  • PHOSPHORUS-BASED FLAME RETARDANT AND THERMOPLASTIC RESIN COMPOSITION INCLUDING SAME
    Publication number: 20250154343
    Abstract: A phosphorus (P)-based flame retardant, a thermoplastic resin composition and a molded article including the phosphorus-based flame retardant are provided. The phosphorus-based flame retardant, even if an amount of use is reduced compared to a conventional flame retardant, is capable of providing significantly improved mechanical properties such as tensile strength and impact strength, while exhibiting excellent flame retardancy.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 15, 2025
    Inventors: Seoyoung IM, Hanbit JANG, Hoyong LEE
  • Compound, photosensitive fluorescent resin composition comprising same, color conversion film, backlight unit, and display device
    Patent number: 12242191
    Abstract: A compound represented by Chemical Formula 1: wherein, in the Chemical Formula 1, X1, X2, X4 and X5 are the same as or different from each other, and each independently a direct bond, or a substituted or unsubstituted alkylene group, a photoresist fluorescent resin composition including the same, and a color conversion film, a backlight unit and a display apparatus manufactured using the same.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 4, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Hanbit Jang, Duy Hieu Le, Jaemyeng Jeong, Hoyong Lee
  • PHOPHORUS CONTAINING MONOMER OR OLIGOMER, POLYESTER RESIN COMPRISING SAME, AND THERMOPLASTIC RESIN COMPOSITION
    Publication number: 20240317933
    Abstract: A phosphorus (P) containing monomer or oligomer represented by Chemical Formula 1, a polyester resin including a constitutional unit derived from the phosphorus containing monomer or oligomer, a thermoplastic resin composition including the polyester resin, and a molded article including the polyester resin are provided. The constitutional unit derived from the phosphorus containing monomer or oligomer provides excellent flame retardancy and a high degree of polymerization of the polyester resin.
    Type: Application
    Filed: November 16, 2022
    Publication date: September 26, 2024
    Inventors: Seoyoung Im, Hyungmin Ahn, Hanbit Jang, Daechul Kim, Hoyong Lee
  • PHOSPHOROUS OLIGOMER, POLYESTER RESIN AND THERMOPLASTIC RESIN COMPOSITION COMPRISING SAME
    Publication number: 20240199801
    Abstract: A phosphorus (P) containing oligomer, a polyester resin having excellent flame retardancy and a high degree of polymerization by including a constitutional unit derived from the phosphorus containing oligomer, a thermoplastic resin composition including the polyester resin, and a molded article using the thermoplastic resin composition are provided.
    Type: Application
    Filed: October 5, 2022
    Publication date: June 20, 2024
    Inventors: Seoyoung IM, Hanbit JANG, Hoyong LEE
  • POLYCARBONATE AND METHOD FOR PREPARING SAME
    Publication number: 20240132662
    Abstract: The present application relates to a polycarbonate including a unit represented by Chemical Formula 1, a composition including the same and a molded article prepared from the composition.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 25, 2024
    Inventors: Hanbit Jang, Seoyoung Im, Hoyong Lee, Cheol Jun Song
  • POLYCARBONATE AND METHOD FOR PREPARING SAME
    Publication number: 20240117114
    Abstract: The present application relates to a polycarbonate including units represented by Chemical Formula 1a or 1b and Chemical Formula 1c, a composition including the same, and a molded article prepared from the composition.
    Type: Application
    Filed: January 12, 2022
    Publication date: April 11, 2024
    Inventors: Seoyoung Im, Hanbit Jang, Hoyong Lee, Cheol Jun Song
  • POLYCARBONATE, AND METHOD FOR PREPARING SAME
    Publication number: 20240101758
    Abstract: The present application relates to a polycarbonate including a unit represented by Chemical Formula 1a; and a unit represented by Chemical Formula 1b, a composition including the same and a molded article prepared from the composition.
    Type: Application
    Filed: January 7, 2022
    Publication date: March 28, 2024
    Inventors: Jaemyeng Jeong, Hoyong Lee, Cheol Jun Song, Bethy Kim, Seoyoung Im, Hanbit Jang
  • POLYCARBONATE COMPOSITION AND MOLDED ARTICLES THEREOF
    Publication number: 20230212390
    Abstract: The present disclosure relates to a polycarbonate composition. The polycarbonate composition is a composition in which polyalkylene glycol end-capped with a specific compound is blended in polycarbonate together with two specific antioxidants in a predetermined amount, and can provide a molded article which has high light transmittance, is transparent and particularly has excellent long-term color stability.
    Type: Application
    Filed: October 21, 2021
    Publication date: July 6, 2023
    Inventors: Hyong Min BAHN, Un KO, Cheol Jun SONG, Jeeseon KIM, Jaemyeng JEONG, Hanbit JANG, Sugil YUM, Mooho HONG, Jungmoon BAE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20230146653
    Abstract: Provided is a low sublimation temperature heterocyclic compound of Chemical Formula 1: wherein, in Chemical Formula 1, adjacent one or more pairs of * bond to X1 and X2 of the following Chemical Formula 2: where * means the part of Chemical Formula 1 bonding to X1 and X2, and the substituents are as defined in the specification, and an organic light emitting device including the same, whereby the heterocyclic compound of Chemical Formula 1 increases efficiency and stability of the organic light emitting device.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 11, 2023
    Inventors: Hanbit JANG, Seongmi CHO, Hoyong LEE, Seonkyoung SON, Jaemyeng JEONG, Seoyoung IM
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM PREPARED USING SAME, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20230023648
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.
    Type: Application
    Filed: July 13, 2020
    Publication date: January 26, 2023
    Applicant: LG CHEM, LTD
    Inventors: Hanbit JANG, Jaemyeng YEONG, Duy Hieu LE, Hoyong LEE
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20220390841
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film, a backlight unit and a display apparatus manufactured using the same.
    Type: Application
    Filed: July 13, 2020
    Publication date: December 8, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Hanbit JANG, Duy Hieu LE, Jaemyeng JEONG, Hoyong LEE
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM MANUFACTURED THEREFROM, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20220389014
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.
    Type: Application
    Filed: July 13, 2020
    Publication date: December 8, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Hanbit JANG, Duy Hieu LE, Jaemyeng JEONG, Hoyong LEE