Patents by Inventor Amir Hossain Parham

Amir Hossain 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).

  • Organic light-emitting device having delayed fluorescence
    Patent number: 10193094
    Abstract: The present application relates to an organic electroluminescent device (OLED) which has an emitting layer comprising a compound having a small difference between the energies of the S1 and T1 states, and in which certain conditions apply to the HOMO and LUMO energy levels of the emitting layer and the layers between the anode and the emitting layer.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: January 29, 2019
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Amir Hossain Parham, Christof Pflumm, Anja Jatsch, Joachim Kaiser
  • Compounds for electronic devices
    Patent number: 10177312
    Abstract: The present application relates to a compound of a formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: January 8, 2019
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Philipp Stoessel, Thomas Eberle
  • HETEROCYCLIC COMPOUNDS WITH DIBENZAZAPINE STRUCTURES
    Publication number: 20180331301
    Abstract: The present invention relates to heterocyclic compounds and electronic devices, in particular organic electroluminescent devices, containing these compounds.
    Type: Application
    Filed: November 24, 2015
    Publication date: November 15, 2018
    Inventors: Amir Hossain PARHAM, Thomas EBERLE, Anja JATSCH, Tobias GROSSMANN, Jonas Valentin KROEBER
  • MATERIALS FOR ORGANIC ELECTTROLUMINESCENT DEVICES
    Publication number: 20180282295
    Abstract: The invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices.
    Type: Application
    Filed: October 13, 2015
    Publication date: October 4, 2018
    Inventors: Amir Hossain Parham, Philipp Stoessel, Thomas Eberle, Anja Jatsch, Jonas Valentin Kroeber, Christof Pflumm
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20180269400
    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: Application
    Filed: August 12, 2016
    Publication date: September 20, 2018
    Inventors: Anja JATSCH, Amir Hossain PARHAM, Thomas EBERLE, Tobias GROSSMANN, Jonas Valentin KROEBER
  • ELECTRONIC DEVICE
    Publication number: 20180269406
    Abstract: The present application relates to an organic electroluminescent device (OLED) comprising an emitting layer, where the emitting layer includes a compound having a small difference between the energies of the S1 and T1 states, and further comprising a layer which has been applied from solution between the emitting layer and anode and comprises an amine compound. The present application further relates to a process for producing such an OLED.
    Type: Application
    Filed: November 16, 2015
    Publication date: September 20, 2018
    Inventors: Philipp STOESSEL, Amir Hossain PARHAM, Christof PFLUMM, Anja JATSCH, Joachim KAISER, Herwig BUCHHOLZ
  • Organic electroluminescent device with thermally activated delayed fluorescence material
    Patent number: 10069079
    Abstract: The present invention relates to organic electroluminescent devices which comprise mixtures of at least one electron-conducting material and an emitting material which has a small singlet-triplet separation.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: September 4, 2018
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Amir Hossain Parham, Christof Pflumm, Anja Jatsch, Joachim Kaiser
  • Electronic device
    Patent number: 10065959
    Abstract: The present application relates to an electronic device comprising a heteroaromatic compound of a formula (I) as functional material, in particular as electron-transport material and as matrix material for emitter compounds.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: September 4, 2018
    Assignee: Merck Patent GmbH
    Inventors: Junyou Pan, Amir Hossain Parham, Rene Peter Scheurich, Thomas Rudolph
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20180230378
    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: Application
    Filed: August 25, 2015
    Publication date: August 16, 2018
    Inventors: AMIR HOSSAIN PARHAM, Christof Pflumm, Anja Jatsch, Thomas Eberle, Jonas Valentin Kroeber, Rouven Linge
  • COMPOUNDS HAVING FLUORENE STRUCTURES
    Publication number: 20180226587
    Abstract: The present invention describes fluorene derivatives substituted by electron-transporting groups, especially for use as triplet matrix materials in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Application
    Filed: July 28, 2016
    Publication date: August 9, 2018
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20180222872
    Abstract: Fluorene derivatives that are connected in one or more of the 1-, 1?-, 4-, or 4?-positions in any combination to a carbon atom of a diaryl substituted triazinyl or pyrimidinyl derivative. The fluorene derivatives are not spirobifluorene derivatives. The compounds are suitable for use in electronic devices, in particular organic electroluminescent devices, comprising these compounds. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters as well as a hole-blocking or an electron-transport layer.
    Type: Application
    Filed: July 1, 2016
    Publication date: August 9, 2018
    Applicant: Merck Patent GmbH
    Inventors: Anja Jatsch, Amir Hossain Parham, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber
  • PHENYL DERIVATIVES SUBSTITUTED WITH AT LEAST TWO ELECTRON ACCEPTORS AND AT LEAST TWO ELECTRON DONORS FOR USE IN ORGANIC ELECTRONIC DEVICES
    Publication number: 20180226586
    Abstract: The present invention relates to a phenyl-derivative compound substituted with at least two electron acceptors and at least two electron donors. Formula (I) RAaRDbRScC6 wherein a is 2, 3 or 4; b is 2, 3 or 4; c is 0, 1 or 2; a+b?c=6; RA is at each occurrence independently a group with ?M-effect; RB is at each occurrence independently a group with +?M-effect; RS is as defined in claim 1. Said compound is suited for use in organic electronic devices, particularly in organic electroluminescent devices.
    Type: Application
    Filed: July 1, 2016
    Publication date: August 9, 2018
    Inventors: Amir Hossain PARHAM, Philipp STOESSEL, Christof PFLUMM, Anja JATSCH, Joachim KAISER
  • Compounds for organic electroluminescent devices
    Patent number: 10032992
    Abstract: The present invention relates to boron compounds for use in electronic devices, especially organic electroluminescent devices, and to a process for preparing these compounds and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: July 24, 2018
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Amir Hossain Parham, Philipp Stoessel, Christof Pflumm, Arne Buesing, Thomas Eberle
  • Compounds for electronic devices
    Patent number: 10008673
    Abstract: The present invention relates to compounds of the formula (1) or (2) and to the use thereof in electronic devices, and to electronic devices which comprise these compounds. The invention furthermore relates to the preparation of the compounds of the formula (1) or (2) and to formulations comprising one or more compounds of the formula (1) or (2).
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: June 26, 2018
    Assignee: Merck Patent GmbH
    Inventors: Constanze Brocke, Christof Pflumm, Amir Hossain Parham, Rocco Fortte
  • Materials for organic electroluminescent devices
    Patent number: 10000694
    Abstract: The invention relates to compounds which can be used in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: June 19, 2018
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Christof Pflumm, Jonas V. Kroeber
  • Materials for electronic devices
    Patent number: 9985220
    Abstract: The present application relates to a compound of a formula (I) which contains an indenocarbazole group, a carbazole group and an electron-deficient group bonded to the indenocarbazole group. The compound is suitable for use in electronic devices, in particular in organic electroluminescent devices.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: May 29, 2018
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Christof Pflumm, Jonas Valentin Kroeber, Rémi Manouk Anèmian
  • Materials for organic electroluminescent devices
    Patent number: 9947874
    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: March 3, 2016
    Date of Patent: April 17, 2018
    Assignee: Merck Patent GmbH
    Inventors: Christof Pflumm, Amir Hossain Parham, Constanze Brocke, Elvira Montenegro, Frank Voges, Holger Heil, Arne Buesing
  • COMPOUNDS AND ORGANIC ELECTRONIC DEVICES
    Publication number: 20180097178
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 5, 2018
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
  • Organic ionic functional materials
    Patent number: 9923152
    Abstract: The present invention relates to a novel non-polymeric organic ionic compound comprising one ion having a functional organic group, such as a matrix group, a hole injection group, a hole transport group, an electron injection group and an electron transport group, and comprising another ion preferably being so small that it may act as a mobile ion in films containing the organic ionic compound. Furthermore, the present invention relates to a composition containing the novel organic ionic compound and another functional compound. The novel organic ionic compound or the composition may be used in organic devices as functional materials, such as matrix materials or for materials charge transport. The resulting organic devices are also object of the present invention.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: March 20, 2018
    Assignee: Merck Patent GmbH
    Inventors: Junyou Pan, Amir Hossain Parham
  • Materials for electronic devices
    Patent number: 9893297
    Abstract: The present invention relates to compounds of the formula (I), to the use of compounds of the formula (I) in electronic devices and electronic devices comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: February 13, 2018
    Assignee: Merck Patent GmbH
    Inventors: Irina Martynova, Adam W. Franz, Christof Pflumm, Amir Hossain Parham, Arne Buesing, Rémi Manouk Anémian, Anja Gerhard