Search Patents
  • Publication number: 20130168663
    Abstract: The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a matrix material in the emitting layer, where certain conditions must be satisfied for the positions of the triplet energy and the HOMO and LUMO.
    Type: Application
    Filed: June 24, 2011
    Publication date: July 4, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Anja Gerhard, Philipp Stoessel, Dominik Joosten, Holger Heil, Christof Pflumm, Susanne Heun
  • Patent number: 8691400
    Abstract: The present invention relates to electronic devices, in particular organic electroluminescent devices, comprising metal complexes which contain isonitrile ligands.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: April 8, 2014
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
  • Patent number: 10418564
    Abstract: The invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: September 17, 2019
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm, Thomas Eberle, Anja Jatsch, Jonas Valentin Kroeber, Tobias Grossmann
  • Patent number: 9893292
    Abstract: The present invention relates to novel materials which can be used in organic electronic devices, in particular electroluminescent devices, and are certain derivatives of fused aromatic systems.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: February 13, 2018
    Assignee: Merck Patent GmbH
    Inventors: Holger Heil, Arne Buesing, Philipp Stoessel, Horst Vestweber
  • Publication number: 20100108999
    Abstract: The invention relates to a process for preparing an electronic device using a protection layer, and to improved electronic devices prepared by this process, in particular organic field effect transistors (OFETs).
    Type: Application
    Filed: March 28, 2008
    Publication date: May 6, 2010
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTING
    Inventors: David Christoph Mueller, Toby Cull, Simon Dominic Ogier
  • 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
  • Patent number: 10544360
    Abstract: The present invention relates to mixtures comprising at least one phosphorescent dopant and at least one compound of one of the formulae (1) and (2), and the use thereof in electronic devices, especially in organic electroluminescent devices.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: January 28, 2020
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm, Anja Jatsch, Thomas Eberle, Jonas Valentin Kroeber, Rouven Linge
  • Patent number: 11538995
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 27, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Jochen Pfister, Teresa Mujica-Fernaud, Elvira Montenegro, Frank Stieber, Frank Voges
  • Patent number: 8785001
    Abstract: The present invention relates to mixtures of organic materials, to the use of these mixtures in organic electroluminescent devices, and to organic electroluminescent devices comprising these mixtures.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: July 22, 2014
    Assignee: Merck Patent GmbH
    Inventors: Horst Vestweber, Philipp Stoessel, Holger Heil
  • Patent number: 7186358
    Abstract: A polymer dopant for electrially conducting, photoconducting and semiconducting components and devices and novel polymers comprising electron accepting groups that are suitable as polymer dopants.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: March 6, 2007
    Assignee: Merck Patent Gesellschaft
    Inventors: Iain McCulloch, Martin Heeney, Mark Giles, Maxim Shkunov, Steven Tierney, Clare Bailey
  • Patent number: 11581491
    Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: February 14, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Anja Jatsch, Amir Hossain Parham, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber
  • 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
  • Patent number: 8766238
    Abstract: The present invention relates to light-emitting devices and in particular organic light-emitting devices (OLEDs). In particular, the invention relates to emitter materials in which charged metal complexes are bonded to a polymer by electrostatic interactions.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: July 1, 2014
    Assignee: Merck Patent GmbH
    Inventors: Hartmut Yersin, Uwe Monkowius, Dominik Pentlehner
  • Publication number: 20090134384
    Abstract: The present invention relates to the use of aromatic boronic acid or borinic acid derivatives in organic electronic devices, in particular electroluminescent devices.
    Type: Application
    Filed: April 6, 2006
    Publication date: May 28, 2009
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Esther Breuning, Arne Buesing, Amir Hossain Parham, Holger Heil, Horst Vestweber
  • Publication number: 20100264809
    Abstract: The invention relates to coated phosphor particles comprising luminescent particles and a, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.
    Type: Application
    Filed: October 11, 2008
    Publication date: October 21, 2010
    Applicant: Merck Patent GmbH
    Inventors: Holger Winkler, Ralf Petry, Reinhold Rueger, Tim Vosgroene
  • Publication number: 20130200359
    Abstract: The present invention relates to compounds of the formula (1) and (2) which are suitable for use in electronic devices, in particular organic electroluminescent devices.
    Type: Application
    Filed: September 16, 2011
    Publication date: August 8, 2013
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Dominik Joosten, Arne Besing
  • Publication number: 20090026919
    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 host materials in the emitting layer.
    Type: Application
    Filed: September 20, 2005
    Publication date: January 29, 2009
    Applicant: Merck Paten GmbH Patents & Scientific Information
    Inventors: Philipp Stossel, Arne Busing, Horst Vestweber, Holger Heil
  • Patent number: 8487300
    Abstract: The present invention relates to phosphorescent organic electroluminescent devices which contain as a matrix material of emitting layer, metal complexes of the formula (I)
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: July 16, 2013
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Jonas Kroeber, Anja Gerhard, Rocco Fortte
  • Patent number: 9620722
    Abstract: The present invention relates to compounds of the formula (1) and formula (2), which are suitable for use in electronic devices, in particular in organic electroluminescent devices.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: April 11, 2017
    Assignee: Merck Patent GmbH
    Inventors: Irina Martynova, Christof Pflumm, Amir Hossain Parham, Rémi Manouk Anémian, Teresa Mujica-Fernaud, Claire De Nonancourt
  • Publication number: 20080200677
    Abstract: The present invention describes novel ionic 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. The compounds according to the invention are described by the formulae (1) and (1a).
    Type: Application
    Filed: June 6, 2006
    Publication date: August 21, 2008
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Heinrich Becker, Amir H. Parham, Esther Breuning