Patents by Inventor Yilang LI

Yilang LI 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: 11063224
    Abstract: The present application discloses an organic electroluminescent device including a host material and guest material, the host material is an exciplex formed by electron donor material and electron receptor material, the guest material is thermal activated delayed fluorescent material, a singlet energy level of the host material is lower than a singlet energy level of the guest material.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: July 13, 2021
    Assignees: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Lian Duan, Yilang Li, Xiaozeng Song, Dongdong Zhang, Guomeng Li
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20190259959
    Abstract: The present application discloses an organic electroluminescent device including a host material and guest material, the host material is an exciplex formed by electron donor material and electron receptor material, the guest material is thermal activated delayed fluorescent material, a singlet energy level of the host material is lower than a singlet energy level of the guest material.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Lian DUAN, Yilang LI, Xiaozeng SONG, Dongdong ZHANG, Guomeng LI