Patents by Inventor Hye Jin NA

Hye Jin NA 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).

  • Spirobifluorene compound and perovskite solar cell comprising same
    Patent number: 11563180
    Abstract: A spirobifluorene compound and a perovskite solar cell including the spirobifluorene compound are disclosed. More particularly, a spirobifluorene compound which can be used as a hole transport material of a perovskite solar cell is disclosed. A perovskite solar cell including the spirobifluorene compound as a hole transport material is further disclosed.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 24, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF CHECMICAL TECHNOLOGY
    Inventors: Jaemin Lee, Hye Jin Na, Nam Joong Jeon, Jang Won Seo, Jun Hong Noh, Tae Youl Yang, Sang Il Seok
  • Perovskite solar cell
    Patent number: 11177403
    Abstract: A perovskite solar cell adopts a compound having a specific central backbone having a carbazolylamino group as a substituent, and more particularly, to the perovskite solar cell adopts a compound, as a hole transport material, having a specific central backbone having a carbazolylamino group as a substituent, and a spirobifluorene compound having a carbazolylphenylamino group. The perovskite solar cell has very excellent high-temperature stability while having a high power generation efficiency.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: November 16, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jaemin Lee, Hye Jin Na, Nam Joong Jeon, Tae Youl Yang, Jang Won Seo
  • PEROVSKITE SOLAR CELL
    Publication number: 20200119206
    Abstract: A perovskite solar cell adopts a compound having a specific central backbone having a carbazolylamino group as a substituent, and more particularly, to the perovskite solar cell adopts a compound, as a hole transport material, having a specific central backbone having a carbazolylamino group as a substituent, and a spirobifluorene compound having a carbazolylphenylamino group. The perovskite solar cell has very excellent high-temperature stability while having a high power generation efficiency.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 16, 2020
    Inventors: Jaemin LEE, Hye Jin NA, Nam Joong JEON, Tae Youl YANG, Jang Won SEO
  • SPIROBIFLUORENE COMPOUND AND PEROVSKITE SOLAR CELL COMPRISING SAME
    Publication number: 20190288207
    Abstract: A spirobifluorene compound and a perovskite solar cell including the spirobifluorene compound are disclosed. More particularly, a spirobifluorene compound which can be used as a hole transport material of a perovskite solar cell is disclosed. A perovskite solar cell including the spirobifluorene compound as a hole transport material is further disclosed.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 19, 2019
    Inventors: Jaemin LEE, Hye Jin NA, Nam Joong JEON, Jang Won SEO, Jun Hong NOH, Tae Youl YANG, Sang IL SEOK