Patents by Inventor Song Yi PARK

Song Yi PARK 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).

  • Organic electroluminescent device
    Patent number: 11937440
    Abstract: The present invention may provide an organic electroluminescent device which exhibits low driving voltage as well as high efficiency by including an electron transporting layer material having an improved electron transporting ability.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: March 19, 2024
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Song Ie Han, Min Sik Eum, Jae Yi Sim, Yong Hwan Lee, Woo Jae Park, Tae Hyung Kim
  • Organic compound and organic electroluminescent device using the same
    Patent number: 11917910
    Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device using the same, and more particularly, to a novel compound having excellent electron transport capability and light emitting capability, and an organic electroluminescent device improved in terms of luminous efficiency, driving voltage, lifespan, etc. by including the novel compound in one or more organic layers.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 27, 2024
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Yong Hwan Lee, Min Sik Eum, Jae Yi Sim, Woo Jae Park, Song Ie Han
  • Method for promoting growth and bioactive substances of
    Patent number: 11304388
    Abstract: A method for promoting growth and bioactive substances of Crepidiastrum denticulatum including performing a stress treatment on Crepidiastrum denticulatum during cultivation thereof, in which the stress treatment includes at least of applying visible light, drying, exposing to low temperature, irradiating ultraviolet rays, and applying a chemical elicitor.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: April 19, 2022
    Assignees: Seoul Viosys Co., Ltd., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION OF CHUNGBUK NATIONAL UNIVERSITY
    Inventors: Myung Min Oh, Song Yi Park, Jin Hui Lee, Ji Hoon Bae, Jong Hyun Koo
  • METHOD FOR PROMOTING GROWTH AND BIOACTIVE SUBSTANCES OF CREPIDIASTRUM DENTICULATUM
    Publication number: 20190150378
    Abstract: A method for promoting growth and bioactive substances of Crepidiastrum denticulatum including performing a stress treatment on Crepidiastrum denticulatum during cultivation thereof, in which the stress treatment includes at least of applying visible light, drying, exposing to low temperature, irradiating ultraviolet rays, and applying a chemical elicitor.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 23, 2019
    Applicants: Seoul Viosys Co., Ltd., Industry-University Cooperation Foyndation of Chungbuk National University
    Inventors: Myung Min OH, Song Yi PARK, Jin Hui LEE, Ji Hoon BAE, Jong Hyun KOO