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: 20130299801
    Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: NORMAN HERRON, Vsevolod Rostovtsev, Jeffrey A. Merlo, Michael Henry Howard, JR., Adam Fennimore, Weiying Gao, Kalindi Dogra, Nora Sabina Radu, Weishi Wu, Eric Maurice Smith, Daniel David Lecloux
  • Publication number: 20130299807
    Abstract: There is provided an electroactive composition including (a) a host, (b) a dopant, and (c) an additive having Formula I In Formula I, E is the same or different at each occurrence and is N or C—Ar1 and Ar1 is the same or different at each occurrence and is H, D, or aryl. At least one E=N, and at least one Ar1 is aryl.
    Type: Application
    Filed: February 14, 2012
    Publication date: November 14, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Vsevolod Rostovtsev, Weiying Gao
  • Publication number: 20130256642
    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 red-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: May 22, 2013
    Publication date: October 3, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20130248849
    Abstract: This invention relates to a composition including (a) a dopant, (b) a first host having at least one unit of Formula I, and (c) a second host compound. Formula I has the structure where Q is a fused ring linkage having the formula In Formula I: R1 is the same or different at each occurrence and is D, alkyl, aryl, silyl, alkoxy, aryloxy, cyano, vinyl, or allyl; R2 is the same or different at each occurrence and is H, D, alkyl, or aryl, or both R2 are an N-heterocycle; R3 is the same or different at each occurrence and is H, D, cyano, alkyl or aryl; and a is the same or different at each occurrence and is an integer from 0-4.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 26, 2013
    Applicant: E I DuPont De Nemours and Company
    Inventors: Jerals Feldman, Norman Herron, Michael Henry Howard, JR., Nora Sabina Radu, Vsevolod Rostovtsev, Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Weishi Wu, Ying Wang, Charles D. Mclaren
  • Publication number: 20130248843
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 26, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Publication number: 20130248841
    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 red, 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: May 23, 2013
    Publication date: September 26, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: KERWIN D. DOBBS, NORMAN HERRON, VSEVOLOD ROSTOVTSEV
  • Publication number: 20130240868
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 19, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Publication number: 20130240869
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 19, 2013
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Patent number: 8531100
    Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: September 10, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Michael Henry Howard, Jr., Adam Fennimore, Weiying Gao, Kalindi Dogra, Nora Sabina Radu, Weishi Wu, Eric Maurice Smith, Daniel David Lecloux
  • Patent number: 8476620
    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 red-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: Grant
    Filed: August 23, 2010
    Date of Patent: July 2, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Kerwin D. Dobbs, Norman Herron, Vsevolod Rostovtsev
  • Patent number: 8471247
    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 red, 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: Grant
    Filed: August 23, 2010
    Date of Patent: June 25, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Kerwin D. Dobbs, Norman Herron, Vsevolod Rostovtsev
  • Publication number: 20130146439
    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: Application
    Filed: December 8, 2011
    Publication date: June 13, 2013
    Inventors: Vsevolod Rostovtsev, Ming Zheng
  • Patent number: 8436341
    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: Grant
    Filed: December 22, 2009
    Date of Patent: May 7, 2013
    Assignee: 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
  • Patent number: 8383251
    Abstract: A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: February 26, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev
  • Patent number: 8309731
    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: Grant
    Filed: November 18, 2011
    Date of Patent: November 13, 2012
    Assignee: 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
  • Patent number: 8278651
    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 or Formula II where: R1 through R6 are the same or different and are independently selected from the group consisting of hydrogen, phenyl, biphenyl, naphthyl, naphthylphenyl, phenanthryl, triphenylamino, carbazolyl, and carbazolylphenyl; and Q is an aryl group. In Formula I, at least one of R1 through R6 is not hydrogen.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: October 2, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventor: Vsevolod Rostovtsev
  • Patent number: 8273468
    Abstract: There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: September 25, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
  • Publication number: 20120235562
    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: June 1, 2012
    Publication date: September 20, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Patent number: 8257836
    Abstract: This invention relates to electroluminescent 4,9-di-substituted pyrenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a pyrene composition.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: September 4, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventor: Vsevolod Rostovtsev
  • Publication number: 20120211734
    Abstract: A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.
    Type: Application
    Filed: April 30, 2012
    Publication date: August 23, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev