Patents by Inventor Hayoon LEE

Hayoon LEE 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: 20240199670
    Abstract: Disclosed are a metal oxide thin film precursor represented by Chemical Formula 1, a method of fabricating a metal oxide thin film using the same, and a semiconductor device including the metal oxide thin film. The definition of Chemical Formula 1 is as described in the detailed description.
    Type: Application
    Filed: June 21, 2023
    Publication date: June 20, 2024
    Inventors: Jongwook PARK, Woojin JEON, Sunwoo PARK, Hayoon LEE, Sang Wook PARK, Yoona CHOI
  • Patent number: 11133469
    Abstract: A compound for an organic optoelectronic device represented by Chemical Formula 1 and an organic optoelectronic device including the same are provided. In Chemical Formula 1, R1 to R5 are independently hydrogen, deuterium, —NH2, a substituted or unsubstituted C1 to C30 alkylamine group, a substituted or unsubstituted C26 to C30 arylamine group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, at least one of R2, R4, and R5 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C6 to C30 arylamine group, or a substituted or unsubstituted C2 to C30 heteroaryl group, each of a, c, d, e, and f is an integer of 1 to 4, and b is an integer of 1 or 2.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: September 28, 2021
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jong Wook Park, Hayoon Lee
  • Publication number: 20180019403
    Abstract: A compound for an organic optoelectronic device represented by Chemical Formula 1 and an organic optoelectronic device including the same are provided. In Chemical Formula 1, R1 to R5 are independently hydrogen, deuterium, —NH2, a substituted or unsubstituted C1 to C30 alkylamine group, a substituted or unsubstituted C6 to C30 arylamine group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, at least one of R2, R4, and R5 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C6 to C30 arylamine group, or a substituted or unsubstituted C2 to C30 heteroaryl group, each of a, c, d, e, and f is an integer of 1 to 4, and b is an integer of 1 or 2.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 18, 2018
    Inventors: Jong Wook PARK, Hayoon LEE