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).

  • Luminescent lanthanide complexes with imine ligands and devices made with such complexes
    Patent number: 7575816
    Abstract: The present invention is generally directed to luminescent lanthanide compounds with imine ligands, and devices that are made with the lanthanide compounds.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: August 18, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Nora Sabina Radu, Daniel David Lecloux, Norman Herron, Lucy M. Clarkson
  • TRIARYLAMINE COMPOUNDS, COMPOSITIONS AND USES THEREFOR
    Publication number: 20090200933
    Abstract: The present invention relates to triarylamine compounds, compositions comprising such compounds, and electronic devices and applications comprising at least one layer containing at least one of the new compounds. The compounds can be used as monomers to create homopolymers or copolymers.
    Type: Application
    Filed: April 7, 2009
    Publication date: August 13, 2009
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Eric Maurice Smith, Nora Sabina Radu, Norman Herron, Arthur Dabrowski, Frederick P. Gentry, Gene M. Rossi, Gary A. Johansson
  • Triarylamine compounds, compositions and uses therefor
    Patent number: 7569728
    Abstract: The present invention relates to triarylamine compounds, compositions comprising such compounds, and electronic devices and applications comprising at least one layer containing at least one of the new compounds. The compounds can be used as monomers to create homopolymers or copolymers.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: August 4, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Eric Maurice Smith, Nora Sabina Radu, Norman Herron, Arthur Dabrowski, Frederick P. Gentry, Gene M. Rossi, Gary A. Johansson
  • Charge transport compositions and electronic devices made with such compositions
    Patent number: 7544312
    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: February 19, 2007
    Date of Patent: June 9, 2009
    Inventors: Norman Herron, Nora Sabina Radu, Eric M. Smith, Ying Wang
  • Electroluminescent iridium compounds with fluorinated phenylpyridine ligands, and devices made with such compounds
    Patent number: 7476452
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: January 13, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Kerwin D. Dobbs, Norman Herron, Viacheslav A. Petrov
  • CHRYSENES FOR BLUE LUMINESCENT APPLICATIONS
    Publication number: 20080303425
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications and are capable of blue emission. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 16, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Hong Meng, Lois Bryman, Jeffrey A. Merlo, Norman Herron, Reid John Chesterfield
  • CHRYSENES FOR DEEP BLUE LUMINESCENT APPLICATIONS
    Publication number: 20080306303
    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 30, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • BLUE LUMINESCENT MATERIALS
    Publication number: 20080303430
    Abstract: There is provided a blue luminescent material having Formula I Ar1 and Ar2 are the same or different and each is an aryl group having at least two electron-withdrawing substituents. R1 and R2 are the same or different and can be alkyl, or aryl. R3, R4, R5 and R6 are the same or different and can be hydrogen, alkyl, or alkoxy. n is 0 or 1.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: NORMAN HERRON, Daniel David Lecloux, Mark A. Guidry, Victoria J. North, Kerwin D. Dobbs
  • GREEN LUMINESCENT MATERIALS
    Publication number: 20080303429
    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: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
  • CHRYSENES FOR GREEN LUMINESCENT APPLICATIONS
    Publication number: 20080303428
    Abstract: This invention relates to chrysene compounds having green 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 30, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Jeffrey A. Merlo, Norman Herron, Kerwin D. Dobbs
  • CHARGE TRANSPORT COMPOSITIONS AND ELECTRONIC DEVICES MADE WITH SUCH COMPOSITIONS
    Publication number: 20080227981
    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: Application
    Filed: May 23, 2008
    Publication date: September 18, 2008
    Inventors: Norman Herron, Mark A. Guidry, Daniel David Lecloux, Nora Sabina Radu, Eric Maurice Smith, Ying Wang
  • ORGANIC ELECTRONIC DEVICE
    Publication number: 20080213624
    Abstract: There is provided an organic electronic device having an anode and a cathode and having organic layers therebetween. The organic layers are, in order: a buffer layer including a conductive polymer and a fluorinated acid polymer; a hole transport layer; a photoactive layer including a dopant material and a host material; and an electron transport layer; wherein at least one of the dopant material and the host material is a fused polycyclic aromatic compound.
    Type: Application
    Filed: February 26, 2008
    Publication date: September 4, 2008
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DANIEL DAVID LECLOUX, Eric Maurice Smith, Norman Herron, Charles J. Dubois, Weishi Wu
  • Charge transport compositions and electronic devices made with such compositions
    Patent number: 7399432
    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: December 8, 2003
    Date of Patent: July 15, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Norman Herron, Mark A. Guidry, Daniel David Lecloux, Nora Sabina Radu, Eric Maurice Smith, Ying Wang
  • ELECTRONIC DEVICES MADE WITH CROSSLINKABLE COMPOUNDS AND COPOLYMERS
    Publication number: 20080132622
    Abstract: The present disclosure relates to electronic devices comprising at least one layer comprising novel cross-linkable polymers. The compounds can function as monomers, and copolymers can be formed from such monomers, such copolymers comprising, as polymerized units, a plurality of units of the compounds. The compositions are especially useful when incorporated into charge transport layers and light-emitting layers of a wide variety of electronic devices.
    Type: Application
    Filed: December 28, 2007
    Publication date: June 5, 2008
    Inventors: NORMAN HERRON, Gary A. Johansson, Nora Sabina Radu
  • Cross-linkable polymers and electronic devices made with such polymers
    Patent number: 7365230
    Abstract: The present invention relates to novel cross-linkable polymers and a wide variety of electronic devices containing at least one layer having the polymer. The compounds can function as monomers, and copolymers can be formed from such monomers, such copolymers comprising, as polymerized units, a plurality of units of the compounds.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: April 29, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Norman Herron, Gary A. Johansson, Nora Sabina Radu
  • Phosphorescent material
    Patent number: 7320835
    Abstract: An organometallic complex, comprises at least one transition metal, at least one first monoanionic bidentate ligand coordinated through a nitrogen on a heteroaromatic ring and a carbon, and at least one second ligand selected from a hydride and a ligand coordinated through a carbon atom which is part of an aromatic group. Methods for making the complex and its uses in electronic devices are also presented.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: January 22, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Norman Herron
  • Electroluminescent platinum compounds and devices made with such compounds
    Patent number: 7320833
    Abstract: The present invention is generally directed to electroluminescent Pt(II) complexes which have emission maxima across the visible spectrum, and devices that are made with the Pt(II) complexes.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: January 22, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Kerwin D. Dobbs, Norman Herron, Viacheslav A. Petrov
  • Electroluminescent iridium compounds with fluorinated phenylpyridine ligands, and devices made with such compounds
    Publication number: 20070292713
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Application
    Filed: February 6, 2004
    Publication date: December 20, 2007
    Inventors: Kerwin Dobbs, Norman Herron, Viacheslav Petrov
  • Red emitter complexes of IR(III) and devices made with such compounds
    Publication number: 20070278936
    Abstract: There are provided compounds of Formulae I and II: where: n is 1, 2 or 3; p is 0, 1 or 2; the sum of n +p is 3; R1 R2, R3 and R4 are each independently H, F, alkyl, trialkylsilyl, triarylsilyl, aryl or substituted aryl. R5 and R7 are each independently alkyl or aryl; and R6 is H or alkyl. R8 is H, F, or alkyl There are also provided electronic devices containing such compounds.
    Type: Application
    Filed: June 2, 2006
    Publication date: December 6, 2007
    Inventors: Norman Herron, Ying Wang, Viacheslav A. Petrov, Mark A. Guidry, Jeffrey A. Merlo, Kerwin D. Dobbs
  • Compositions comprising novel compounds and polymers, and electronic devices made with such compositions
    Publication number: 20070232782
    Abstract: The present invention relates to novel compounds and polymers, compositions comprising novel compounds or polymers, and electronic devices comprising at least one layer containing the compound or polymer.
    Type: Application
    Filed: December 21, 2006
    Publication date: October 4, 2007
    Inventors: Nora Radu, Gary Johansson, Norman Herron, Troy Gehret