Patents by Inventor Ian R Hooper

Ian R Hooper 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).

  • Optoelectronic device with periodic grating microstructure
    Patent number: 8129738
    Abstract: This invention relates to optoelectronic devices of improved efficiency. In particular it relates to light emitting diodes, photodiodes and photovoltaics. By careful design of periodic microstructures, e.g. gratings, associated with such devices more efficient light generation or detection is achieved.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: March 6, 2012
    Assignee: QinetiQ Limited
    Inventors: William L Barnes, John R Sambles, Ian R Hooper, Stephen Wedge
  • Optoelectronic device
    Publication number: 20110024778
    Abstract: This invention relates to optoelectronic devices of improved efficiency. In particular it relates to light emitting diodes, photodiodes and photovoltaics. By careful design of periodic microstructures, e.g. gratings, associated with such devices more efficient light generation or detection is achieved.
    Type: Application
    Filed: March 8, 2010
    Publication date: February 3, 2011
    Applicant: QINETIQ LIMITED
    Inventors: William L. Barnes, John R. Sambles, Ian R. Hooper, Stephen Wedge