Patents by Inventor Christoph Leonhard

Christoph Leonhard 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).

  • Patent number: 11041083
    Abstract: The present invention relates to formulations containing at least one organic functional material and at least a first organic solvent, wherein said first organic solvent is an alkyl benzoate solvent, as well as to electronic devices prepared by using these formulations.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: June 22, 2021
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Manuel Hamburger, Anja Jatsch, Philip May, Dietmar Kunkel, Irina Martynova, Edgar Kluge
  • Patent number: 11005042
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one specific ketone solvent containing a non aromatic cycle and at least one organic functional material, preferably selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: May 11, 2021
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Irina Martynova, Aurélie Ludemann
  • Patent number: 10950792
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different organic solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of >15 mPas, the second organic solvent B has a boiling point in the range from 200 to 350° C. and a viscosity of ?10 mPas, the solubility of the at least one organic functional material in the second organic solvent B is ?5 g/l, and the boiling point of the first organic solvent A is at least 10° C. higher than the boiling point of the second organic solvent B; as well as to electroluminescent devices prepared by using these formulations.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: March 16, 2021
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Manuel Hamburger, Anja Jatsch
  • Patent number: 10907061
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one specific A/JV-dialkylaniline and at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: February 2, 2021
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Irina Martynova, Aurélie Ludemann
  • Patent number: 10892414
    Abstract: Described herein is a process for the preparation of an electronic device such as an organic electroluminescent device (OLED), wherein two adjacent functional layers having an interface are formed from solution in a kinetically controlled manner. The process is particularly suitable for fast and efficient production of electronic devices by printing or coating processes. The description further relates to an electronic device which is obtainable by said process.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: January 12, 2021
    Assignee: Merck Patent GmbH
    Inventors: Gaelle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Manuel Hamburger, Beate Burkhart, Katja Maria Scheible, Anja Jatsch
  • Patent number: 10808170
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise at least one specific ester solvent containing a non aromatic cycle and at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: October 20, 2020
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Irina Martynova, Aurélie Ludemann
  • Publication number: 20200266349
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one specific ketone solvent containing a non aromatic cycle and at least one organic functional material, preferably selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Application
    Filed: November 11, 2016
    Publication date: August 20, 2020
    Applicant: Merck Patent GmbH
    Inventors: GAELLE BEALLE, Christoph LEONHARD, Hsin-Rong TSENG, Irina MARTYNOVA, Aurelie LUDEMANN
  • Patent number: 10651382
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least a first and a second solvent, characterized in that the first solvent is a siloxane.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: May 12, 2020
    Assignee: Merck Patent GmbH
    Inventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Irina Martynova, Aurélie Ludemann
  • Publication number: 20200136046
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different organic solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of <15 mPas, the second organic solvent B has a boiling point in the range from 200 to 350° C and a viscosity of ?10 mPas, the solubility of the at least one organic functional material in the second organic solvent B is ?5 g/l, and the boiling point of the first organic solvent A is at least 10° C. higher than the boiling point of the second organic solvent B; as well as to electroluminescent devices prepared by using these formulations.
    Type: Application
    Filed: October 17, 2017
    Publication date: April 30, 2020
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Manuel HAMBURGER, Anja JATSCH
  • Publication number: 20200127203
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least four different organic solvents, a first organic solvent A, a second organic solvent B, a third organic solvent C, and a fourth organic solvent D, wherein the first organic solvent A comprises a group, which is capable of receiving or giving a hydrogen bonding, the second organic solvent B has a boiling point in the range from 50 to 350° C., the third organic solvent C has a boiling point in the range from 100 to 300° C., and the fourth organic solvent D has a boiling point in the range from 200 to 400° C., is present in an amount from 0.01 to 1 vol.-% and has a viscosity of ?15 mPas, the solubility of the at least one organic functional material in the second organic solvent B and in the fourth organic solvent D is ?5 g/l, the boiling point of the third organic solvent C is at least 10° C.
    Type: Application
    Filed: October 17, 2017
    Publication date: April 23, 2020
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Manuel HAMBURGER, Anja JATSCH
  • Publication number: 20200071549
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A comprises a group, which is capable of receiving or giving a hydrogen bonding, and wherein the second organic solvent B has a boiling point in the range from 150 to 350° C. and the solubility of the at least one organic functional material in the second organic solvent is ?5 g/l.
    Type: Application
    Filed: June 26, 2017
    Publication date: March 5, 2020
    Applicant: Merck Patent GmbH
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Manuel HAMBURGER, Anja JATSCH
  • Publication number: 20200066990
    Abstract: The present invention relates to a process for the preparation of an electronic device such as an organic electroluminescent device (OLED), wherein two adjacent functional layers having an interface are formed from solution in a kinetically controlled manner. The process is particularly suitable for fast and efficient production of electronic devices by printing or coating processes. The invention further relates to an electronic device which is obtainable by said process.
    Type: Application
    Filed: December 4, 2017
    Publication date: February 27, 2020
    Inventors: Gaelle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Manuel HAMBURGER, Beate BURKHART, Katja SCHEIBLE, Anja JATSCH
  • Publication number: 20190300738
    Abstract: The present invention relates to formulations containing at least one organic functional material and at least a first organic solvent, wherein said first organic solvent is an alkyl benzoate solvent, as well as to electronic devices prepared by using these formulations.
    Type: Application
    Filed: June 13, 2017
    Publication date: October 3, 2019
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Manuel HAMBURGER, Anja JATSCH, Philip MAY, Dietmar KUNKEL, Irina MARTYNOVA, Edgar KLUGE
  • Publication number: 20190062578
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one specific A/JV-dialkylaniline and at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Application
    Filed: September 9, 2016
    Publication date: February 28, 2019
    Applicant: Merck Patent GmbH
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Irina MARTYNOVA, Aurélie LUDEMANN
  • Publication number: 20180375029
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise (A) at least one specific ester solvent containing an aromatic group and (B) at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earth metals, lanthanides and actinides.
    Type: Application
    Filed: November 15, 2016
    Publication date: December 27, 2018
    Applicant: Merck Patent GmbH
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Irina MARTYNOVA, Aurélie LUDEMANN, Edgar KLUGE, Anja JATSCH, Manuel HAMBURGER, Li Wei TAN, Pawel MISKIEWICZ, Philip Edward MAY, Daniel WALKER
  • Publication number: 20180155616
    Abstract: The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise at least one specific ester solvent containing a non aromatic cycle and at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 7, 2018
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Irina MARTYNOVA, Aurélie LUDEMANN
  • Publication number: 20180090683
    Abstract: The present invention relates to a formulation containing at least one organic functional material and at least a first and a second solvent, characterized in that the first solvent is a siloxane.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 29, 2018
    Inventors: Gaëlle BÉALLE, Christoph LEONHARD, Hsin-Rong TSENG, Irina MARTYNOVA, Aurëlie LUDEMANN
  • Publication number: 20160301003
    Abstract: The present invention relates to novel compositions comprising organic light emitting materials and/or charge transporting materials and a polymeric binder which comprises acrylic and/or methacrylic acid ester units, to their use as conducting inks for the preparation of organic light emitting diode (OLED) devices, to methods for preparing OLED devices using the novel formulations, and to OLED devices prepared from such methods and formulations.
    Type: Application
    Filed: November 11, 2014
    Publication date: October 13, 2016
    Inventors: Junyou PAN, Aurélie LUDEMANN, Christoph LEONHARD, Philip E. MAY
  • Patent number: 9301618
    Abstract: A connector for coupling an exercise device to a five-leg chair includes a plate having a wheel hole, and an exercise device coupler. The coupler may include a plurality of wheel holes. The exercise device coupler may include pin slots.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 5, 2016
    Inventor: Christoph Leonhard
  • Publication number: 20140274622
    Abstract: A connector for coupling an exercise device to a five-leg chair includes a plate having a wheel hole, and an exercise device coupler. The coupler may include a plurality of wheel holes. The exercise device coupler may include pin slots.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: DuoDesk LLC
    Inventor: Christoph Leonhard