Patents by Inventor Norman Herron

Norman Herron 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: 8604247
    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 26, 2011
    Date of Patent: December 10, 2013
    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: 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
  • Patent number: 8563856
    Abstract: The present invention relates to new electronic devices including a layer comprising a photoactive material and metal Schiff base complex, wherein the metal Schiff base complex is present as a host for the photoactive material or in a layer between the cathode and the photoactive material containing layer, or both.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 22, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Ying Wang, Lucy M. Clarkson
  • Publication number: 20130264561
    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 In Formula I: Ar1, Ar2, and Ar3 are the same or different and are H, D, or aryl groups. At least two of Ar1, Ar2, and Ar3 are aryl and none of Ar1, Ar2, and Ar3 includes an indolocarbazole moiety.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 10, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Mark A. Guidry, Norman Herron, Nora Sabina Radu, Gene M. Rossi, Gabriel C. Schumacher
  • Publication number: 20130264560
    Abstract: There is provided a compound having at least one unit of Formula I where Ar1, Ar2, and Ar3 are the same or different and have Formula II In Formula II: R1 is the same or different at each occurrence and is D, alkyl, or silyl, or adjacent R1 groups can be joined together to form a 6-membered fused aromatic ring; Q is the same or different at each occurrence and is phenyl, naphthyl, substituted naphthyl, an N,O,S-heterocycle, or a deuterated analog thereof; a is an integer from 1-5; b is an integer from 0-5, with the proviso that when b=5, c=0; and c is an integer from 0-4. In the compound not all Ar1, Ar2, and Ar3 are the same.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 10, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Mark A Guidry, Norman Herron, Nora Sabina Radu, Gene M Rossi, Gabriel C Schumacher
  • 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: 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: 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: 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
  • Publication number: 20130240865
    Abstract: There is provided an electroactive compound having Formula In the formula: Ar1, Ar2, and Ar3 are the same or different and are aryl groups; R1 is the same or different at each occurrence and is D, alkyl or aryl; a is an integer from 0-4. The compound has a LUMO level deeper than ?2.3 eV and a band gap of at least 2.9 eV.
    Type: Application
    Filed: December 13, 2011
    Publication date: September 19, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron, Mark A. Guidry
  • Patent number: 8529796
    Abstract: The present invention relates to charge transport compositions. The invention further relates to electronic devices in which there is at least one active layer comprising such charge transport compositions.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 10, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David LeCloux, Eric Maurice Smith, Ying Wang, Norman Herron, Mark A Guidry, Nora Sabina Radu
  • 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: 8470208
    Abstract: The present disclosure relates to organometallic complexes and electronic devices containing the complexes. The complexes have the formula MYnZ, where n is 1, 2, or 3; M is a metal in a +2, +3, or +4 oxidation state, Y is selected from an 8-hydroxyquinolate and a substituted 8-hydroxyquinolate, and Z is a phenolate.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: June 25, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Steven W. Shuey, Jeffrey A. Merlo
  • 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: 20130126852
    Abstract: There is provided a photoactive composition including: (a) 50-99 wt % based on the total weight of the photoactive composition, of at least one host material having a HOMO energy level; (b) 1-10 wt % based on the total weight of the photoactive composition, of an emissive dopant; and (c) 0.1 to 10 wt % based on the total weight of the photoactive composition, of a non-emissive dopant. The non-emissive dopant is an organometallic iridium complex that has a HOMO energy level shallower than the HOMO energy level of the host.
    Type: Application
    Filed: August 24, 2011
    Publication date: May 23, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron
  • 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