Patents by Inventor Yeonhee HA

Yeonhee HA 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).

  • HETEROCYLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE HETEROCYCLIC COMPOUND AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    Publication number: 20230240135
    Abstract: Embodiments provide a heterocyclic compound, a light-emitting device that includes the heterocyclic compound, and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one of the heterocyclic compound.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 27, 2023
    Applicants: Samsung Display Co., Ltd., INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Sejin CHO, Yunhi KIM, Soonki KWON, Mikyung KIM, Kwanhee LEE, Yeonhee HA, Gyeongseok LEE
  • Heterocyclic compound and organic electroluminescence device including the same
    Patent number: 11393991
    Abstract: Provided are a heterocyclic compound represented by Formula 1 below, and an organic electroluminescence device including the same in an emission layer. In Formula 1, X is a direct linkage or CR2R3, Z1 to Z8 are each independently CR4 or N, at least two of Z1, Z3, Z6 and Z8 are each independently CR5, and R5 is represented by Formula 2 or Formula 3 below.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: July 19, 2022
    Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Daeyup Shin, Seulong Kim, Taekyung Kim, Jungsub Lee, Soon-ki Kwon, Yun-hi Kim, Yeonhee Ha, Jaeyoung Hwang
  • HETEROCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME
    Publication number: 20190044076
    Abstract: Provided are a heterocyclic compound represented by Formula 1 below, and an organic electroluminescence device including the same in an emission layer. In Formula 1, X is a direct linkage or CR2R3, Z1 to Z8 are each independently CR4 or N, at least two of Z1, Z3, Z6 and Z8 are each independently CR5, and R5 is represented by Formula 2 or Formula 3 below.
    Type: Application
    Filed: July 17, 2018
    Publication date: February 7, 2019
    Inventors: Daeyup SHIN, Seulong KIM, Taekyung KIM, Jungsub LEE, Soon-ki KWON, Yun-hi KIM, Yeonhee HA, Jaeyoung HWANG