Patents by Inventor Michael Frigoli

Michael Frigoli 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).

  • Photochromic liquid crystals
    Patent number: 7416682
    Abstract: The invention relates to novel photochromic liquid crystal materials which may be used in various electro-optic devices including liquid crystal devices. The materials can be converted into another form on irradiation by light which may make it feasible for them to be addressed by light in electro-optic devices. The materials are based on 5-membered heterocycles.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: August 26, 2008
    Assignee: Chi Mei Optoelectronics Corporation
    Inventors: Michael Frigoli, Georg Mehl