Patents by Inventor Simone Leu

Simone Leu 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 electroluminescent device
    Patent number: 9444064
    Abstract: The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a mixture of at least two matrix materials in the emitting layer.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: September 13, 2016
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kaiser, Holger Heil, Philipp Stoessel, Dominik Joosten, Simone Leu
  • Organic electroluminescent device
    Patent number: 9246118
    Abstract: The present invention relates to organic electroluminescent devices which, in addition to the emitting layer, have a further layer which comprises the same materials as the emitting layer.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: January 26, 2016
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu
  • Organic electroluminescence device
    Patent number: 9112172
    Abstract: The present invention relates to white-emitting organic electroluminescent devices which have at least one blue-fluorescent emitter layer and at least one phosphorescent emitter layer.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: August 18, 2015
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kaiser, Holger Heil, Simone Leu, Horst Vestweber
  • Organic electroluminescent device
    Patent number: 9090532
    Abstract: The present invention relates to white emitting organic electroluminescent devices having at least one blue fluorescent emitter layer.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: July 28, 2015
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu, Arne Buesing, Holger Heil, Philipp Stoessel
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20150155514
    Abstract: The present invention relates to white-emitting organic electroluminescent devices in which the dependence of the colour point on the luminance can be adjusted specifically.
    Type: Application
    Filed: January 12, 2015
    Publication date: June 4, 2015
    Inventors: Joachim Kaiser, Horst VESTWEBER, Simone LEU
  • Organic electroluminescent device
    Patent number: 8941297
    Abstract: The present invention relates to white-emitting organic electroluminescent devices which have a fluorescent emitter layer and a phosphorescent emitter layer.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: January 27, 2015
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu, Holger Heil
  • Organic electroluminescent device comprising triazine derivatives
    Patent number: 8679647
    Abstract: The invention relates to organic electroluminescent devices which comprise triazine derivatives as the electron transport material.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: March 25, 2014
    Assignee: Merck Patent GmbH
    Inventors: Christof Pflumm, Simone Leu, Joachim Kaiser, Amir Hossain Parham, Frank Voges, Jonas Valentin Kroeber, Arne Buesing
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20130049579
    Abstract: The present invention relates to white-emitting organic electroluminescent devices which have a fluorescent emitter layer and a phosphorescent emitter layer.
    Type: Application
    Filed: April 13, 2011
    Publication date: February 28, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu, Holger Heil
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20120267617
    Abstract: The present invention relates to organic electroluminescent devices which, in addition to the emitting layer, have a further layer which comprises the same materials as the emitting layer.
    Type: Application
    Filed: August 25, 2010
    Publication date: October 25, 2012
    Applicant: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20120056169
    Abstract: The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a mixture of at least two matrix materials in the emitting layer.
    Type: Application
    Filed: February 24, 2010
    Publication date: March 8, 2012
    Applicant: Merck Patent GmbH Patents & Scientific Information
    Inventors: Joachim Kaiser, Holger Heil, Philipp Stoessel, Dominik Joosten, Simone Leu
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20110284831
    Abstract: The present invention relates to white-emitting organic electroluminescent devices in which the dependence of the colour point on the luminance can be adjusted specifically.
    Type: Application
    Filed: February 12, 2010
    Publication date: November 24, 2011
    Applicant: MERCK PATENT GMBH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20110108821
    Abstract: The present invention relates to white emitting organic electroluminescent devices having at least one blue fluorescent emitter layer.
    Type: Application
    Filed: May 22, 2009
    Publication date: May 12, 2011
    Applicant: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu, Arne Buesing, Holger Heil, Philipp Stoessel
  • Organic Electroluminescent Device
    Publication number: 20110101328
    Abstract: The present invention relates to white-emitting organic electroluminescent devices which comprise at least one phosphorescent emitter and at least one ketone derivative as matrix material in at least one emitting layer.
    Type: Application
    Filed: November 18, 2009
    Publication date: May 5, 2011
    Applicant: Merck Patent GmbH
    Inventors: Joachim Kaiser, Horst Vestweber, Simone Leu
  • ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING TRIAZINE DERIVATIVES
    Publication number: 20110095282
    Abstract: The invention relates to organic electroluminescent devices which comprise triazine derivatives as the electron transport material.
    Type: Application
    Filed: November 26, 2009
    Publication date: April 28, 2011
    Applicant: Merck Patent GmbH
    Inventors: Christof Pflumm, Simone Leu, Joachim Kaiser, Amir Hossain Parham, Frank Voges, Jonas Valentin Kroeber, Arne Buesing