Patents by Inventor Changgeng ZHANG

Changgeng ZHANG 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).

  • Dielectric elastomer precursor fluid, preparation method therefor and use thereof, dielectric elastomer composite material, flexible device, and light-emitting device
    Patent number: 11674076
    Abstract: The present disclosure relates to the field of dielectric elastomers. In particular, provided are a dielectric elastomer precursor fluid, a preparation method therefor and the use thereof, a dielectric elastomer composite material, a flexible device, and a light-emitting device. The dielectric elastomer precursor fluid comprises an elastomer matrix, an ionic liquid and a solvent, wherein the volume fraction of the ionic liquid and the solvent is 5-45%. The dielectric elastomer precursor fluid has the advantages of a high conductivity, a high transparency and a good fluidity, and is beneficial for preparing a dielectric elastomer composite material having a high dielectric constant, a low elastic modulus and a high optical transparency, thus fully solving the problem that a high dielectric constant cannot be balanced with a low elastic modulus and a high optical transparency in a dielectric elastomer.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: June 13, 2023
    Assignee: THE CHINESE UNIVERSITY OF HONG KONG, SHENZHEN
    Inventors: Shiping Zhu, Changgeng Zhang, Lei Shi, Qi Zhang
  • DIELECTRIC ELASTOMER PRECURSOR FLUID, PREPARATION METHOD THEREFOR AND USE THEREOF, DIELECTRIC ELASTOMER COMPOSITE MATERIAL, FLEXIBLE DEVICE, AND LIGHT-EMITTING DEVICE
    Publication number: 20230090617
    Abstract: The present disclosure relates to the field of dielectric elastomers. In particular, provided are a dielectric elastomer precursor fluid, a preparation method therefor and the use thereof, a dielectric elastomer composite material, a flexible device, and a light-emitting device. The dielectric elastomer precursor fluid comprises an elastomer matrix, an ionic liquid and a solvent, wherein the volume fraction of the ionic liquid and the solvent is 5-45%. The dielectric elastomer precursor fluid has the advantages of a high conductivity, a high transparency and a good fluidity, and is beneficial for preparing a dielectric elastomer composite material having a high dielectric constant, a low elastic modulus and a high optical transparency, thus fully solving the problem that a high dielectric constant cannot be balanced with a low elastic modulus and a high optical transparency in a dielectric elastomer.
    Type: Application
    Filed: June 24, 2020
    Publication date: March 23, 2023
    Applicant: THE CHINESE UNIVERSITY OF HONG KONG, SHENZHEN
    Inventors: Shiping ZHU, Changgeng ZHANG, Lei SHI, Qi ZHANG