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).

  • Patent number: 8674343
    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: Grant
    Filed: October 25, 2010
    Date of Patent: March 18, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Patent number: 8669547
    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 host material capable of electroluminescence having an emission color that is blue; a first electroluminescent dopant having an emission color that is green; and a second electroluminescent dopant having an emission color that is in the red/orange region. The additive mixing of all the emitted colors results in an overall emission of white light.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: March 11, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Norman Herron, Vsevolod Rostovtsev
  • Patent number: 8652655
    Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 18, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gary A. Johansson, Eric Maurice Smith, Reid John Chesterfield, Michael Henry Howard, Jr., Kyung-Ho Park, Nora Sabina Radu, Gene M. Rossi, Frederick P. Gentry, Troy C. Gehret, Daniel David Lecloux, Adam Fennimore
  • Patent number: 8641926
    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: Grant
    Filed: May 13, 2008
    Date of Patent: February 4, 2014
    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
  • Patent number: 8617720
    Abstract: There is provided an electroactive composition including: a deuterated first host material and an electroluminescent dopant material. The first host is a compound having Formula I: The compound of Formula I is deuterated. In Formula I: Ar1 to Ar4 are the same or different and are aryl; Q is a multivalent aryl group or where T is (CR?)a, SiR2, S, SO2, PR, PO, PO2, BR, or R; R is the same or different at each occurrence and is an alkyl group or an ary group; R? is the same or different at each occurrence and is selected H, D, or alkyl; a is an integer from 1-6; and m is an integer from 0-6.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: December 31, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Michael Henry Howard, Jr., Nora Sabina Radu, Weishi Wu, Weiying Gao, Norman Herron, Eric Maurice Smith, Christina M. Older, Adam Fennimore, Ying Wang, Daniel David Lecloux, Kalindi Dogra, Vsevolod Rostovtsev, Jerald Feldman, Siddhartha Shenoy
  • Patent number: 8585931
    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: Grant
    Filed: July 29, 2008
    Date of Patent: November 19, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Yong Cao, Sunghan Kim, Daniel David Lecloux, Chi Zhang
  • 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: 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: 8497495
    Abstract: A compound having at least two diarylamino moieties and at least 10% deuteration.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: July 30, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Michael Henry Howard, Jr., Gary A. Johansson, Kalindi Dogra, Eric Maurice Smith, Kyung-Ho Park
  • Patent number: 8487055
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: July 16, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Nora Sabina Radu, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • Patent number: 8465850
    Abstract: The invention provides methods for the application of active materials onto active surfaces useful in organic electronic devices. The methods of the invention include selecting a liquid composition including an active material and a suitable liquid medium whereby when the liquid composition is deposited on the desired active surface it has no greater than about a 40° contact angle; treating the active surface to raise its surface tension before the deposition of a liquid composition containing the desired active material is deposited thereon; and combination thereof. The invention also provides organic electronic devices having at least two active layers, wherein at least one active layer comprises an active material that was deposited using at least one practice of the method of the invention.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: June 18, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Viacheslav A. Petrov, Daniel David Lecloux
  • Publication number: 20130087779
    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 priming material to form a priming layer; exposing the priming layer patternwise with radiation resulting in exposed areas and unexposed areas; developing the priming layer to effectively remove the priming layer from the unexposed areas resulting in a first layer having a pattern of priming layer, wherein the pattern of priming layer has a second surface energy that is higher than the first surface energy; and forming the second layer by liquid depositions on the pattern of priming layer on the first layer.
    Type: Application
    Filed: June 16, 2011
    Publication date: April 11, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kyung-Ho Park, Nora Sabina Radu, Gary A. Johansson, William J. Delaney, Adam Fennimore, Daniel David Lecloux
  • Publication number: 20130082251
    Abstract: There is disclosed a compound having Formula I or Formula I?: In Formula I and Formula I?: Ar1 and Ar2 are the same or different and are aryl groups; R1 through R5 are independently the same or different at each occurrence and are D, F, alkyl groups, aryl groups, alkoxy groups, silyl groups, or crosslinkable groups; R6 is H, D, or halogen; a through e are independently an integer from 0 to 4; f is 1 or 2; g is 0, 1 or 2; h is 1 or 2; and n is an integer greater than 0.
    Type: Application
    Filed: June 16, 2011
    Publication date: April 4, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kyung-Ho Park, Nora Sabina Radu, Gary A. Johansson, Adam Fennimore, William J. Delaney, Daniel David Lecloux
  • Patent number: 8372525
    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: Grant
    Filed: November 13, 2007
    Date of Patent: February 12, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Reid John Chesterfield, Jeffrey A. Merlo, Eric Maurice Smith, Nora Sabina Radu
  • Publication number: 20130009142
    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: September 14, 2012
    Publication date: January 10, 2013
    Applicant: 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: 8343630
    Abstract: There is provided a transparent composite conductor. The composite conductor has a first layer that includes a transparent conductive material and a second layer that includes a fluorinated acid polymer.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: January 1, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Hjalti Skulason, Daniel David Lecloux, Eric Maurice Smith, Shawn Yeisley, Robert Clayton Wheland
  • Patent number: 8293139
    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 17, 2011
    Date of Patent: October 23, 2012
    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: 8287766
    Abstract: The invention provides methods for the application of active materials onto active surfaces useful in organic electronic devices. The methods of the invention include selecting a liquid composition including an active material and a suitable liquid medium whereby when the liquid composition is deposited on the desired active surface it has no greater than about a 40° contact angle; treating the active surface to raise its surface tension before the deposition of a liquid composition containing the desired active material is deposited thereon; and combination thereof. The invention also provides organic electronic devices having at least two active layers, wherein at least one active layer comprises an active material that was deposited using at least one practice of the method of the invention.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: October 16, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Viacheslav A. Petrov, Daniel David Lecloux
  • Patent number: 8287769
    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 17, 2011
    Date of Patent: October 16, 2012
    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