Patents by Inventor Amir Parham

Amir Parham 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).

  • Compounds for organic electronic devices
    Patent number: 8932731
    Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) or formula (2) as dopants in the emitting layer or as hole-transport material in a hole-transport layer.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: January 13, 2015
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Susanne Heun, Horst Vestweber, Philipp Stoessel, Holger Heil, Rocco Fortte
  • Materials for organic electroluminescent devices
    Patent number: 8795847
    Abstract: The present invention relates to anthracene derivatives, to the use thereof in organic electroluminescent devices, and to organic electroluminescent devices comprising these compounds.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: August 5, 2014
    Assignee: Merck Patent GmbH
    Inventors: Holger Heil, Philipp Stoessel, Amir Parham, Horst Vestweber
  • Electroluminescent polymers containing planar arylamine units, the preparation and use thereof
    Patent number: 8679644
    Abstract: The present invention relates to polymers which contain certain triarylamine units of the Formula (1) The materials according to the invention exhibit a longer lifetime than materials in accordance with the prior art and therefore more suitable for use in polymeric organic light-emitting diodes.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: March 25, 2014
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Susanne Heun, Aurélie Ludemann, Arne Buesing, Junyou Pan, Heinrich Becker
  • Partially conjugated polymers, their representation and their use
    Patent number: 8323804
    Abstract: The present invention relates to partly conjugated spirobifluorene polymers which are linked in the polymer via both spiro molecule halves. The materials according to the invention display a purer emission color and a longer life than materials according to the prior art and are therefore better suited for use in polymeric organic light-emitting diodes.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: December 4, 2012
    Assignee: Merck Patent GmbH
    Inventors: Susanne Heun, Amir Parham, Aurélie Ludemann
  • Organic electroluminescent devices
    Patent number: 8304095
    Abstract: The present invention relates to the improvement of blue-emitting organic electroluminescent devices comprising stilbenamines, and to materials for the production of these electroluminescent devices.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: November 6, 2012
    Assignee: Merck Patent GmbH
    Inventors: Holger Heil, Philipp Stoessel, Rocco Fortte, Amir Parham, Horst Vestweber
  • Metal complexes and their use as the emitting constituent in electronic components, in particular in electroluminescent display devices
    Patent number: 8304542
    Abstract: The present invention describes new metal complexes. Such compounds can be used as functional materials in a variety of different applications which can in the broadest sense be considered part of the electronics industry. The compounds of the invention have the formulae (1) and (1a).
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: November 6, 2012
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stössel, Rocco Fortte, Amir Parham, Horst Vestweber, Holger Heil
  • Conjugated polymers and blends containing carbazole, representation and use thereof
    Patent number: 8053547
    Abstract: The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: November 8, 2011
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Aurelie Falcou, Susanne Heun, Heinrich Becker, Esther Breuning
  • Process for preparing ortho-metallated metal compounds
    Patent number: 7923521
    Abstract: The present invention describes a process for the preparation of homoleptic and heteroleptic tris-ortho-metallated metal compounds which are used as coloring components as functional materials in a number of different applications which can be ascribed to the electronics industry in the broadest sense.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: April 12, 2011
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Rocco Fortte, Amir Parham, Esther Breuning, Holger Heil, Horst Vestweber
  • Conjugated Polymers and Blends Containing Carbazole, Representation and Use Thereof
    Publication number: 20110068304
    Abstract: The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units.
    Type: Application
    Filed: October 25, 2010
    Publication date: March 24, 2011
    Applicant: Merck Patent GmbH
    Inventors: Amir Parham, Aurelie Falcou, Susanne Heun, Heinrich Becker, Esther Breuning
  • Conjugated polymers and blends containing carbazole, representation and use thereof
    Patent number: 7834136
    Abstract: The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: November 16, 2010
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Amir Parham, Aurelie Falcou, Susanne Heun, Heinrich Becker, Esther Breuning
  • Conjugated copolymers, representation and use thereof
    Patent number: 7772323
    Abstract: The present invention relates to conjugated copolymers comprising blocks which are linked by random or partly random sections. The materials of the invention display an improved efficiency, a reduced operating voltage and a longer life.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: August 10, 2010
    Assignee: Merck Patent GmbH
    Inventors: Heinrich Becker, Esther Breuning, Aurélie Falcou, Amir Parham
  • Conjugated polymers, their preparation and use thereof
    Patent number: 7767785
    Abstract: The present invention relates to conjugated polymers which comprise both structural units of the formula (1) and also structural units of the formula (2). The materials according to the invention are more readily soluble, display improved air stability and display a smaller voltage increase during prolonged operation when used in a polymeric organic light-emitting diode (PLED) than polymers according to the prior art.
    Type: Grant
    Filed: September 18, 2004
    Date of Patent: August 3, 2010
    Assignee: Merck Patent GmbH
    Inventors: Aurélie Falcou, Frank Meyer, Amir Parham, Heinrich Becker
  • Metal complexes
    Patent number: 7767777
    Abstract: The present invention describes novel metal complexes. Compounds of this type can be employed as functional materials in a number of different applications which can be ascribed to the electronics industry in the broadest sense, in particular as red-emitting compounds. The compounds according to the invention are described by the formulae (1) (1a), (1b) and (3).
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: August 3, 2010
    Assignee: Merck Patent GmbH
    Inventors: Arne Buesing, Rocco Fortte, Philipp Stoessel, Horst Vestweber, Holger Heil, Amir Parham
  • Conjugated polymers containing spirobifluorene units and the use thereof
    Patent number: 7638594
    Abstract: The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: December 29, 2009
    Assignee: Merck Patent GmbH
    Inventors: Heinrich Becker, Kevin Treacher, Hubert Spreitzer, Aurelie Falcou, Philipp Stoessel, Arne Buesing, Amir Parham, Bernd Schröder
  • Compounds for organic electronic devices
    Publication number: 20090295275
    Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) or formula (2) as dopants in the emitting layer or as hole-transport material in a hole-transport layer.
    Type: Application
    Filed: August 16, 2006
    Publication date: December 3, 2009
    Inventors: Amir Parham, Susanne Heun, Horst Vestweber, Philipp Stoessel, Holger Heil, Rocco Fortte
  • Metal Complexes and Their Use as the Emitting Constituent in Electronic Components, in Particular in Electroluminescent Display Devices
    Publication number: 20090292080
    Abstract: The present invention describes new metal complexes. Such compounds can be used as functional materials in a variety of different applications which can in the broadest sense be considered part of the electronics industry. The compounds of the invention have the formulae (1) and (1a).
    Type: Application
    Filed: December 6, 2005
    Publication date: November 26, 2009
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stössel, Rocco Fortte, Amir Parham, Horst Vestweber, Holger Heil
  • Method for producing iridium(III) keto ketonates
    Patent number: 7589224
    Abstract: Process for the preparation of rhodium(III) and iridium(III) ketoketonates. The present invention describes a process for the preparation of rhodium and iridium compounds which are used as starting compound for various organorhodium compounds and organoiridium compounds, in which the reaction, starting from a rhodium(III) or iridium(III) salt, is carried out in at least two steps, where different solvents or solvent mixtures are used in each.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: September 15, 2009
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Ingrid Bach, Amir Parham, Esther Breuning, Hubert Spreitzer
  • Partially Conjugated Polymers, Their Representation and Their Use
    Publication number: 20090226759
    Abstract: The present invention relates to partly conjugated spirobifluorene polymers which are linked in the polymer via both spiro molecule halves. The materials according to the invention display a purer emission colour and a longer life than materials according to the prior art and are therefore better suited for use in polymeric organic light-emitting diodes.
    Type: Application
    Filed: December 6, 2005
    Publication date: September 10, 2009
    Applicant: Merck Patent GmbH
    Inventors: Susanne Heun, Amir Parham, Aurélie Ludemann
  • Organic electroluminescent devices
    Publication number: 20090159874
    Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.
    Type: Application
    Filed: June 22, 2005
    Publication date: June 25, 2009
    Inventors: Horst Vestweber, Philipp Stoessel, Anja Gerhard, Amir Parham
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20090146139
    Abstract: The present invention relates to anthracene derivatives, to the use thereof in organic electroluminescent devices, and to organic electroluminescent devices comprising these compounds.
    Type: Application
    Filed: February 28, 2007
    Publication date: June 11, 2009
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Holger Heil, Amir Parham, Horst Vestweber