Patents by Inventor Tae Wan JEON

Tae Wan JEON 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 COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20240349598
    Abstract: The organic compound represented by chemical formula 1 of the present disclosure can implement excellent hole injection and hole transport characteristics. In addition, the hole transport auxiliary layer of the organic light emitting diode of the present disclosure can improve the driving voltage, efficiency, and lifetime characteristics of the organic light emitting diode by including the organic compound represented by Chemical Formula 1 of the present disclosure.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 17, 2024
    Inventors: Ha-ni JEON, Tae-Wan LEE, Jie SONG, Seung-Hye JEONG
  • PRETREATMENT METHOD FOR UTILIZATION OF COAL ASH LANDFILLED IN ASH PONDS
    Publication number: 20240189831
    Abstract: Disclosed is a pretreatment method for utilization of coal pond ash (coal ash buried in ash ponds near coal-fired power plants), and more specifically a treatment method of coal pond ash capable of utilizing coal ash with high efficiency through simple separation processes including screening, float-sink, flotation, grinding, and magnetic separation.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 13, 2024
    Inventors: Namil UM, Young Yeul KANG, Cheol Woo YOON, Soo Yeon HONG, Na Hyeon CHO, Min-Jung KIM, Ja-Hyung CHOI, Tae Wan JEON, Young Sam YOON