Patents by Inventor Jiyong Choi

Jiyong Choi 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).

  • LIGHT-EMITTING DEVICE
    Publication number: 20230180599
    Abstract: Provided is a light-emitting device including a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including a layer including a compound represented by Formula 1.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 8, 2023
    Inventors: Jeongmin Lee, Minji Kim, Hyunbin Park, Eunjae Jeong, Jiyong Choi, Sanghyun Han
  • LIGHT EMITTING DEVICE AND AMINE COMPOUND FOR LIGHT EMITTING DEVICE
    Publication number: 20230172054
    Abstract: A light emitting device includes a first electrode, a second electrode disposed on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes an amine compound represented by Formula 1: wherein C1 is a substituted or unsubstituted cycloalkyl group having 6 to 12 ring-forming carbon atoms, and nx is an integer of 2 to 5.
    Type: Application
    Filed: October 6, 2022
    Publication date: June 1, 2023
    Inventors: EUNJAE JEONG, MINJI KIM, HYUNBIN PARK, Jeongmin LEE, JIYONG CHOI, SANGHYUN HAN
  • LIGHT-EMITTING DEVICE INCLUDING DIAMINE-BASED COMPOUND, ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND THE DIAMINE-BASED COMPOUND
    Publication number: 20230157157
    Abstract: A light-emitting device that includes a diamine-based compound represented by Formula 1, and an electronic apparatus that includes the light-emitting device are provided.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 18, 2023
    Inventors: Eunjae Jeong, Minji Kim, Hyunbin Park, Jeongmin Lee, Jiyong Choi, Sanghyun Han
  • LIGHT EMITTING DEVICE AND AMINE COMPOUND FOR LIGHT EMITTING DEVICE
    Publication number: 20230157155
    Abstract: A light emitting device includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including an amine compound represented by Formula 1.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 18, 2023
    Inventors: MINJI KIM, HANKYU PAK, DONGJUN KIM, Chaeyeong KIM, HYUNBIN PARK, BYEONGWOOK YOO, Jeongmin LEE, EUNJAE JEONG, SEOWON CHO, SOHEE JO, JIYONG CHOI, SANGHYUN HAN
  • LIGHT-EMITTING ELEMENT AND AROMATIC COMPOUND FOR THE SAME
    Publication number: 20230129854
    Abstract: A light-emitting that includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode is provided. At least one functional layer may include an aromatic compound represented by Formula 1. The light-emitting element results in a reduced driving voltage and an improved luminous efficiency.
    Type: Application
    Filed: May 13, 2022
    Publication date: April 27, 2023
    Inventors: HEECHOON AHN, Juhui YUN, HYUNAH UM, YESEUL LEE, SEOWON CHO, JIYONG CHOI
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE SAME AND ELECTRONIC APPARATUS
    Publication number: 20230127262
    Abstract: A heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 27, 2023
    Inventors: Hyunah Um, Hyeongmin Kim, Heechoon Ahn, Yeseul Lee, Hyoyoung Lee, Jiyong Choi