Patents by Inventor Russell Jon Griffiths

Russell Jon Griffiths 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 SEMICONDUCTOR COMPOSITIONS
    Publication number: 20150028262
    Abstract: The present invention relates to organic copolymers and organic semiconducting compositions comprising these materials, including layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application in the field of printed electronics and is particularly useful as a semiconducting material for use in formulations for organic thin film transistor (OTFT) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Application
    Filed: February 25, 2013
    Publication date: January 29, 2015
    Applicant: SmartKem Limited
    Inventor: Russell Jon Griffiths
  • ORGANIC SEMICONDUCTOR COMPOSITIONS
    Publication number: 20150021524
    Abstract: The present invention relates to organic copolymers and organic semiconducting compositions comprising these materials, including layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application in the field of printed electronics and is particularly useful as the semiconducting material for use in formulations for organic thin film transistor (OTFT backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Application
    Filed: February 25, 2013
    Publication date: January 22, 2015
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • ORGANIC SEMICONDUCTOR COMPOSITIONS
    Publication number: 20150014599
    Abstract: The present invention relates to organic copolymers and organic semiconducting compositions comprising these materials, including layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application in the field of printed electronics and is particularly useful as a semiconducting material for use in formulations for organic thin film transistor (OFET) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Application
    Filed: February 25, 2013
    Publication date: January 15, 2015
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • ORGANIC SEMICONDUCTOR COMPOSITIONS
    Publication number: 20140131689
    Abstract: The present invention relates to organic semiconductor compositions and organic semiconductor layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application particularly in the field of displays such as organic field effect transistors (OFETS), integrated circuits, organic light emitting diodes (OLEDS), photodetectors, organic photovoltaic (OPV) cells, sensors, lasers, memory elements and logic circuits.
    Type: Application
    Filed: May 30, 2012
    Publication date: May 15, 2014
    Applicant: Smartkem Limited
    Inventor: Russell Jon Griffiths
  • Metaloxyphthalocyanine compounds
    Patent number: 7314511
    Abstract: A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: January 1, 2008
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: James Stanley Campbell, Kathryn Carr, Russell Jon Griffiths