Patents by Inventor Ramona Pretsch

Ramona Pretsch 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).

  • Display
    Patent number: 9722183
    Abstract: Display comprising at least one organic light emitting diode, wherein the at least one organic light emitting diode comprises an anode, a cathode, a light emitting layer between the anode and the cathode, and at least one layer comprising a compound according to formula (I) between the cathode and the light emitting layer: wherein A1 and A2 are independently selected from halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, A3 is selected from substituted or unsubstituted C6-C40-aryl or C5-C40-heteroaryl, m=0, 1 or 2, n=0, 1 or 2.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: August 1, 2017
    Assignee: Novaled GmbH
    Inventors: Omrane Fadhel, Ramona Pretsch, Carsten Rothe, Rudolf Lessmann, Francois Cardinali
  • Electronic device comprising an organic semiconducting material
    Patent number: 9040175
    Abstract: The present invention relates to an electronic device comprising at least one organic semiconducting material according to the following formula (I): wherein R1-4 are independently selected from H, halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, Ar is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, and R5 is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, H, F or formula (II).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: May 26, 2015
    Assignee: NOVALED AG
    Inventors: Omrane Fadhel, Ramona Pretsch
  • Display
    Publication number: 20140332790
    Abstract: Display comprising at least one organic light emitting diode, wherein the at least one organic light emitting diode comprises an anode, a cathode, a light emitting layer between the anode and the cathode, and at least one layer comprising a compound according to formula (I) between the cathode and the light emitting layer: wherein A1 and A2 are independently selected from halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, A3 is selected from substituted or unsubstituted C6-C40-aryl or C5-C40-heteroaryl, m=0, 1 or 2, n=0, 1 or 2.
    Type: Application
    Filed: November 30, 2012
    Publication date: November 13, 2014
    Inventors: Omrane Fadhel, Ramona Pretsch, Carsten Rothe, Rudolf Lessmann, Francois Cardinali
  • Compounds for Organic Photovoltaic Devices
    Publication number: 20140144509
    Abstract: The present invention relates to an organic solar cell comprising new truxequinone derivatives used as acceptor, electron transport material, and doped electron transport materials.
    Type: Application
    Filed: September 5, 2011
    Publication date: May 29, 2014
    Applicant: Novaled AG
    Inventors: Omrane Fadhel, Sascha Dorok, Horst Hartmann, Ramona Pretsch
  • Electronic Device Comprising an Organic Semiconducting Material
    Publication number: 20130200341
    Abstract: The present invention relates to an electronic device comprising at least one organic semiconducting material according to the following formula (I): wherein R1-4 are independently selected from H, halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, Ar is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, and R5 is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, H, F or formula (II).
    Type: Application
    Filed: June 8, 2011
    Publication date: August 8, 2013
    Applicant: NOVALED AG
    Inventors: Omrane Fadhel, Ramona Pretsch
  • Electronic device comprising an organic semiconducting material
    Patent number: RE48156
    Abstract: The present invention relates to an electronic device comprising at least one organic semiconducting material according to the following formula (I): wherein R1-4 are independently selected from H, halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, Ar is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, and R5 is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, H, F or formula (II).
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: August 11, 2020
    Assignee: Novaled GmbH
    Inventors: Omrane Fadhel, Ramona Pretsch