Patents by Inventor Vsevolod Rostovtsev

Vsevolod Rostovtsev 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).

  • Publication number: 20120187382
    Abstract: An organic light-emitting diode is provided having an anode, a cathode, and an organic active layer therebetween. The organic active layer includes a deuterated compound and the device has a calculated half-life at 1000 nits of at least 5000 hours.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 26, 2012
    Applicant: E.I. DUPONT DE NEMOURS AND COMPANY
    Inventors: Vsevolod Rostovtsev, Weiying Gao, Gary A. Johansson, Yulong Shen, Adam Fennimore, Kalindi Dogra, Hong Meng, Weishi Wu, Michael Henry Howard, JR., Ralph Birchard Lloyd, Nora Sabina Radu, Norman Herron, Daniel David Lecloux, Eric Maurice Smith, Che-Hsiung Hsu, Kyung-Ho Park, Jeffrey A. Merlo, Christina M. Older, Jerald Feldman, Ying Wang
  • Publication number: 20120187383
    Abstract: There is provided an a host material and a dopant material, wherein the host material is a compound having one of Formulae I-VI: In the formulae, R1 is the same or different at each occurrence and represents an optional substituent which may be present at any or all of the available sites and may be D, alkyl, aryl, alkoxy, aryloxy, oxyalkyl, alkenyl, silyl, or siloxane; Ar1, Ar2, and Ar3 are the same or different at each occurrence and are aryl groups; a is an integer from 2-6; and b is an integer from 1-3.
    Type: Application
    Filed: August 1, 2011
    Publication date: July 26, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: WEIYING GAO, Weishi Wu, Kalindi Dogra, Vsevolod Rostovtsev, Kerwin D. Dobbs
  • Publication number: 20120146008
    Abstract: This disclosure relates to chrysene compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: June 30, 2010
    Publication date: June 14, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron, Jeffrey A. Merlo, Vsevolod Rostovtsev
  • Patent number: 8192848
    Abstract: A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: June 5, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev
  • Patent number: 8158831
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: April 17, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Vsevolod Rostovtsev, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20120065402
    Abstract: There is provided an organic electronic device having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode. At least one of the photoactive layer and the electron transport layer includes a compound having Formula I where: R1 is the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, or carbazolylphenyl; and one of the following conditions is met: (i) R2=R3 and is H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, or carbazolylphenyl; or (ii) R2 is H or phenyl; and R3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, and carbazolylphenyl; When both R1 are phenyl, R2 and R3 can be 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino, or m-carbazolylphenyl.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: E.I.DU PONT DE NEMOURS AND COMPANY
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev, Weiying Gao, Ying Wang, Yulong Shen, Jeffrey A. Merlo
  • Publication number: 20120037898
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 19, 2010
    Publication date: February 16, 2012
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Weishi Wu, Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Weiying Gao
  • Publication number: 20110266525
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a host material capable of electroluminescence having an emission color that is blue; and an electroluminescent dopant having an emission color that is yellow. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: November 3, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110266524
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue; a second electroluminescent material having an emission color that is green; and a third electroluminescent material having an emission color that is red-orange. The additive mixing of all the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: November 3, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260142
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue; and a second electroluminescent material having an emission color that is yellow. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260603
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue; a second electroluminescent material having an emission color that is green; and a third electroluminescent material having an emission color that is orange. The additive mixing of all the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260141
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue; and a second electroluminescent material having an emission color that is red-orange. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260140
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue-green; and a second electroluminescent material having an emission color that is red/red-orange. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260144
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a host material capable of electroluminescence having an emission color that is blue-green; and an electroluminescent dopant having an emission color that is red/red-orange. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110260143
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and an electroluminescent layer therebetween. The electroluminescent layer includes: a first electroluminescent material having an emission color that is blue; a second electroluminescent material having an emission color that is green; and a third electroluminescent material having an emission color that is red. The additive mixing of all the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 27, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Patent number: 8038853
    Abstract: Described herein is a method for the photo-induced reduction/oxidation of carbon nanotubes, and their use in photochemical cells and in electrochemical cells for the generation of hydrogen.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: October 18, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vsevolod Rostovtsev, Ming Zheng
  • Publication number: 20110220885
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20110215715
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications and are capable of blue or green emission. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: November 19, 2009
    Publication date: September 8, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weishi Wu, Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Weiying Gao
  • Publication number: 20110204338
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting layer includes a first plurality of pixels having an emission color that is blue; a second plurality of pixels having an emission color that is green, the second plurality of pixels being laterally spaced from the first plurality of pixels; and a third plurality of pixels having an emission color that is orange, the third plurality of pixels being laterally spaced from the first and second pluralities of pixels. The additive mixing of all the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: August 23, 2010
    Publication date: August 25, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20110204337
    Abstract: There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting layer includes a first plurality of pixels having an emission color that is blue and a second plurality of pixels having an emission color that is yellow, the second plurality of pixels being laterally spaced from the first plurality of pixels. The additive mixing of the emitted colors results in an overall emission of white light.
    Type: Application
    Filed: August 23, 2010
    Publication date: August 25, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Norman Herron, Vsevolod Rostovtsev