Patents by Inventor Chang Qi Ma

Chang Qi Ma 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).

  • NOVEL COMPOUNDS, DERIVATIVES THEREOF AND THEIR USE IN HETEROJUNCTION DEVICES
    Publication number: 20120024382
    Abstract: The invention relates to novel polyaromatic and polyheteroaromatic compounds and derivatives thereof. The compounds display high solubility in organic solvents. A further aspect of the invention relates to the use of the novel compounds in the fabrication of organic film based heterojunction devices. In one form the devices display high conversion efficiencies in solar cell applications.
    Type: Application
    Filed: November 27, 2009
    Publication date: February 2, 2012
    Applicants: THE UNIVERSITY OF ULM, THE UNIVERSITY OF MELBOURNE
    Inventors: Andrew Holmes, David Jones, Wing Ho Wallace Wong, Chang Qi Ma, Peter Baeuerle