Patents by Inventor Daniel David Lecloux

Daniel David Lecloux 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: 20090206326
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Application
    Filed: October 29, 2003
    Publication date: August 20, 2009
    Inventors: Vladimir Grushin, Daniel David LeCloux, Viacheslav A. Petrov, Ying Wang
  • 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
  • Publication number: 20090121617
    Abstract: The present invention is directed to a photoactive device comprising an anode, a cathode, and a photoactive layer, which device further comprises an electron transport and/or anti-quenching layer which minimizes both electron transfer quenching and energy transfer quenching of the photoactive layer.
    Type: Application
    Filed: August 7, 2007
    Publication date: May 14, 2009
    Inventors: DANIEL DAVID LECLOUX, Ying Wang
  • Patent number: 7517594
    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: June 17, 2005
    Date of Patent: April 14, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Viacheslav A. Petrov, Eric Maurice Smith, Ying Wang
  • 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
  • Publication number: 20080303427
    Abstract: There is provided a hole transport compound having Formula I or Formula II: Ar1 is the same or different at each occurrence and can be phenylene, naphthylene, or binaphthylene. Ar2 is the same or different at each occurrence and can be phenyl, biphenyl, terphenyl, naphthyl, or binaphthyl. m and n are the same or different and are an integer greater than 0. T is the same or different at each occurrence and is a conjugated moiety including at least one triarylamino group. The T moiety is connected in a non-planar configuration.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: Gary A. Johansson, Eric Maurice Smith, Daniel David Lecloux
  • Publication number: 20080296536
    Abstract: Compositions are provided comprising a continuous liquid aqueous medium having dispersed therein a polydioxythiophene and at least one colloid-forming fluorinated polymeric acid. Films from invention compositions are useful as buffer layers in organic electronic devices, including electroluminescent devices, such as, for example, organic light emitting diodes (OLED) displays.
    Type: Application
    Filed: July 29, 2008
    Publication date: December 4, 2008
    Inventors: CHE-HSIUNG HSU, YONG CAO, SUNGHAN KIM, DANIEL DAVID LECLOUX, CHI ZHANG
  • Publication number: 20080248314
    Abstract: Devices are provided comprising conductive or semiconductive layers comprising compositions comprising aqueous dispersions of polythiophenes having homopolymers or co-polymers of Formula I(a) or Formula I(b) and at least one colloid-forming polymeric acid. Methods of making such compositions and using them in organic electronic devices are further provided.
    Type: Application
    Filed: May 13, 2008
    Publication date: October 9, 2008
    Inventors: Che-Hsiung Hsu, Yong Cao, SungHan Kim, Daniel David Lecloux, Huawen Li, Charles Douglas Macpherson, Chi Zhang, Hjalti Skulason
  • Patent number: 7431866
    Abstract: Compositions are provided comprising aqueous dispersions of polythiophenes and colloid-forming polymeric acids. Films from invention compositions are useful as buffer layers in organic electronic devices, including electroluminescent devices, such as, for example, organic light emitting diodes (OLED) displays in combination with metal nanowires or carbon nanotubes in applications such as drain, source, or gate electrodes in thin film field effect transistors.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: October 7, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Yong Cao, Sunghan Kim, Daniel David Lecloux, Chi Zhang
  • 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
  • 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
  • Publication number: 20080207823
    Abstract: The present concerns a method of fabricating a layer for an organic light emitting device comprising solution processing a layer from a solution comprising a small molecule emissive material, an aprotic solvent, and a polymeric material.
    Type: Application
    Filed: December 28, 2005
    Publication date: August 28, 2008
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Matthew Stainer, Eric Maurice Smith, Reid John Chesterfield, Shiva Prakash
  • 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
  • Patent number: 7390438
    Abstract: Compositions are provided comprising aqueous dispersions of polythiophenes having homopolymers or co-polymers of Formula I(a) or Formula I(b) and at least one colloid-forming polymeric acid. Methods of making such compositions and using them in organic electronic devices are further provided.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: June 24, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Yong Cao, Sunghan Kim, Daniel David Lecloux, Huawen Li, Charles Douglas MacPherson, Chi Zhang, Hjalti Skulason
  • Publication number: 20080138655
    Abstract: There is provided an active layer containing a dopant material and a host material, wherein the host material has an HPLC purity of at least 99.9% and an impurity absorbance no greater than 0.01. There is also provided an electronic device containing the active layer.
    Type: Application
    Filed: November 13, 2007
    Publication date: June 12, 2008
    Inventors: DANIEL DAVID LECLOUX, Reid John Chesterfield, Jeffrey A. Merlo, Eric Maurice Smith, Nora Sabina Radu
  • Patent number: 7276726
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: October 2, 2007
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Daniel David Lecloux, Viacheslav A. Petrov, Ying Wang
  • Publication number: 20070205409
    Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer having a first surface energy; treating the first layer with a reactive surface-active composition to form a treated first layer having a second surface energy which is lower than the first surface energy; exposing the treated first layer with radiation; and forming the second layer. There is also provided an organic electronic device made by the process.
    Type: Application
    Filed: June 1, 2006
    Publication date: September 6, 2007
    Inventors: Daniel David Lecloux, Eric Maurice Smith, Gary A. Johansson
  • Patent number: 7265378
    Abstract: The present invention is directed to a photoactive device comprising an anode, a cathode, and a photoactive layer, which device further comprises an electron transport and/or anti-quenching layer which minimizes both electron transfer quenching and energy transfer quenching of the photoactive layer.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: September 4, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Ying Wang
  • Patent number: 7250512
    Abstract: The present invention is generally directed to electroluminescent Ir(III) complexes which have emission maxima in the red-orange to red region of the visible spectrum and devices that are made with the Ir(III) complexes.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: July 31, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Viacheslav A. Petrov, Ying Wang
  • Patent number: 7199392
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: April 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov, Ying Wang, Daniel David Lecloux