Patents Assigned to Smartkem Limited
  • Publication number: 20240008294
    Abstract: The present invention relates to an organic thin film transistor (OTFT) comprising an organic semiconductor layer (2) arranged between a source terminal (3) and a drain terminal (4). The OTFT further includes a front gate (5) electrode arranged on one side of the organic semiconductor layer and a back gate electrode (6) arranged on the opposite side of the organic semiconductor layer. The front and back gate electrodes are arranged to control the current flow in the organic semiconductor layer upon application of a voltage and the back gate electrode is electrically connected to one of: the front gate electrode and the source terminal. OTFT's according to the present invention, with a connection between the back gate and the source or front gate, exhibit improved turn on voltage stability, lower power consumption and improved bias stress stability compared to single gate and back gate isolated OTFTs.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 4, 2024
    Applicant: SMARTKEM LIMITED
    Inventors: Beverley BROWN, Chia-Hung TSAI, Dan SHARKEY, Alejandro CARRERAS, Simon OGIER
  • Publication number: 20210119157
    Abstract: The present invention provides an organic gate insulator (OGI) layer having a low dielectric constant (k), said organic gate insulator layer being over-coated with a cross-linked organic layer (OSPL) having a relatively high permittivity (k). The present invention also provides an electronic device comprising such an organic thin film transistor. The invention also provides a solution for producing said OSPL, and a process for producing said OSPL.
    Type: Application
    Filed: June 27, 2019
    Publication date: April 22, 2021
    Applicant: SMARTKEM LIMITED
    Inventors: Ian LOWMAN, John MORGAN, Soad MOHIALDIN-KHAFFAF, Colin WATSON, Beverley BROWN
  • Patent number: 10833274
    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: Grant
    Filed: February 25, 2013
    Date of Patent: November 10, 2020
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10707420
    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: Grant
    Filed: January 4, 2018
    Date of Patent: July 7, 2020
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10580989
    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 (OFET) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: March 3, 2020
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10497874
    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: Grant
    Filed: February 25, 2013
    Date of Patent: December 3, 2019
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10069071
    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: Grant
    Filed: August 28, 2013
    Date of Patent: September 4, 2018
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10056551
    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: Grant
    Filed: February 25, 2013
    Date of Patent: August 21, 2018
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10056550
    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 suchorganic 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 filmtransistor (OTFT) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltatic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: August 21, 2018
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Patent number: 10050202
    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: Grant
    Filed: February 25, 2013
    Date of Patent: August 14, 2018
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Publication number: 20180190910
    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: January 4, 2018
    Publication date: July 5, 2018
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon GRIFFITHS
  • Patent number: 9997710
    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: Grant
    Filed: February 25, 2013
    Date of Patent: June 12, 2018
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Publication number: 20180062080
    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 (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: September 18, 2017
    Publication date: March 1, 2018
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon GRIFFITHS
  • Patent number: 9799830
    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 (OFET) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: October 24, 2017
    Assignee: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Publication number: 20170062740
    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: November 14, 2016
    Publication date: March 2, 2017
    Applicant: Smartkem Limited
    Inventor: Russell Jon Griffiths
  • Patent number: 9525146
    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: Grant
    Filed: May 30, 2012
    Date of Patent: December 20, 2016
    Assignee: Smartkem Limited
    Inventor: Russell Jon Griffiths
  • Publication number: 20160204350
    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: August 28, 2013
    Publication date: July 14, 2016
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon GRIFFITHS
  • Publication number: 20160013416
    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 14, 2016
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon GRIFFITHS
  • Publication number: 20150034878
    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: February 5, 2015
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths
  • Publication number: 20150034879
    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 suchorganic 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 filmtransistor (OTFT) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltatic (OPV) cells, sensors, memory elements and logic circuits.
    Type: Application
    Filed: February 25, 2013
    Publication date: February 5, 2015
    Applicant: SMARTKEM LIMITED
    Inventor: Russell Jon Griffiths