Patents by Inventor Eric Maurice Smith
Eric Maurice Smith 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).
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Patent number: 8531100Abstract: 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: GrantFiled: December 21, 2009Date of Patent: September 10, 2013Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8497495Abstract: A compound having at least two diarylamino moieties and at least 10% deuteration.Type: GrantFiled: December 21, 2009Date of Patent: July 30, 2013Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8487055Abstract: 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: GrantFiled: December 5, 2011Date of Patent: July 16, 2013Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8465848Abstract: This invention relates to electroluminescent benzofluorenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a benzofluorene composition.Type: GrantFiled: December 20, 2007Date of Patent: June 18, 2013Assignee: E I du Pont de Nemours and CompanyInventor: Eric Maurice Smith
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Patent number: 8372525Abstract: 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: GrantFiled: November 13, 2007Date of Patent: February 12, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David Lecloux, Reid John Chesterfield, Jeffrey A. Merlo, Eric Maurice Smith, Nora Sabina Radu
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Publication number: 20130009142Abstract: 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: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: NORMAN HERRON, MARK A. GUIDRY, DANIEL DAVID LECLOUX, NORA SABINA RADU, ERIC MAURICE SMITH, YING WANG
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Patent number: 8343630Abstract: 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: GrantFiled: December 2, 2011Date of Patent: January 1, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Hjalti Skulason, Daniel David Lecloux, Eric Maurice Smith, Shawn Yeisley, Robert Clayton Wheland
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Patent number: 8293139Abstract: 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: GrantFiled: February 17, 2011Date of Patent: October 23, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David Lecloux, Eric Maurice Smith, Ying Wang, Norman Herron, Mark A. Guidry, Nora Sabina Radu
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Patent number: 8287769Abstract: 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: GrantFiled: February 17, 2011Date of Patent: October 16, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David Lecloux, Eric Maurice Smith, Ying Wang, Norman Herron, Mark A. Guidry, Nora Sabina Radu
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Patent number: 8273459Abstract: 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: GrantFiled: December 2, 2011Date of Patent: September 25, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Hjalti Skulason, Daniel David Lecloux, Eric Maurice Smith, Shawn Yeisley, Robert Clayton Wheland
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Patent number: 8242223Abstract: 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: GrantFiled: August 22, 2007Date of Patent: August 14, 2012Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8236990Abstract: 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: GrantFiled: April 7, 2009Date of Patent: August 7, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Eric Maurice Smith, Nora Sabina Radu, Norman Herron, Arthur Dabrowski, Frederick P. Gentry, Gene M. Rossi, Gary A. Johansson
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Publication number: 20120187382Abstract: An organic light-emitting diode is provided having an anode, a cathode, and an organic active layer therebetween. The organic active layer includes a deuterated compound and the device has a calculated half-life at 1000 nits of at least 5000 hours.Type: ApplicationFiled: December 22, 2009Publication date: July 26, 2012Applicant: E.I. DUPONT DE NEMOURS AND COMPANYInventors: Vsevolod Rostovtsev, Weiying Gao, Gary A. Johansson, Yulong Shen, Adam Fennimore, Kalindi Dogra, Hong Meng, Weishi Wu, Michael Henry Howard, JR., Ralph Birchard Lloyd, Nora Sabina Radu, Norman Herron, Daniel David Lecloux, Eric Maurice Smith, Che-Hsiung Hsu, Kyung-Ho Park, Jeffrey A. Merlo, Christina M. Older, Jerald Feldman, Ying Wang
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Patent number: 8216680Abstract: 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: GrantFiled: January 31, 2007Date of Patent: July 10, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Hjalti Skulason, Daniel David Lecloux, Eric Maurice Smith, Shawn Yeisley, Robert Clayton Wheland
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Publication number: 20120077955Abstract: 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: ApplicationFiled: December 5, 2011Publication date: March 29, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: 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
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Publication number: 20120065432Abstract: 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; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.Type: ApplicationFiled: September 23, 2011Publication date: March 15, 2012Applicant: E.I DU PONT DE NEMOURS AND COMPANYInventors: 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
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Publication number: 20120013245Abstract: 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; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: 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
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Patent number: 8063399Abstract: 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; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.Type: GrantFiled: November 17, 2008Date of Patent: November 22, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: 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
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Publication number: 20110260137Abstract: 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; forming an intermediate layer over and in direct contact with the first layer, said intermediate layer having a second surface energy which is lower than the first surface energy; removing selected portions of the intermediate layer to form a pattern comprising uncovered areas of the first layer and covered areas of the first layer; and forming a contained second layer over the uncovered areas of the first layer. There is also provided an organic electronic device made by the process.Type: ApplicationFiled: April 21, 2010Publication date: October 27, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Daniel David Lecloux, Eric Maurice Smith, Gary A. Johansson
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Publication number: 20110147718Abstract: 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: ApplicationFiled: December 21, 2009Publication date: June 23, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: 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