Patents by Inventor Adam Fennimore
Adam Fennimore 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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Publication number: 20140349431Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer including a fluorinated material and having a first surface energy; treating the first layer with a priming layer; exposing the priming layer patternwise with radiation having a wavelength greater than 300 nm, 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 patterned priming layer, wherein the patterned priming layer has a second surface energy that is higher than the first surface energy; and forming the second layer by liquid deposition on the patterned priming layer on the first layer. The priming layer includes an aromatic amine compound and a photoinitiator.Type: ApplicationFiled: December 20, 2012Publication date: November 27, 2014Applicant: EI DU PONT DE NEMOURS AND COMPANYInventors: Adam Fennimore, Steven R. MacKara
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Patent number: 8890131Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.Type: GrantFiled: March 6, 2013Date of Patent: November 18, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David Lecloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Weishi Wu, Vsevolod Rostovtsev, Michael Henry Howard, Jr., Hong Meng, Yulong Shen, Jeffrey A Merlo, Eric Maurice Smith
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Patent number: 8889269Abstract: 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: September 23, 2011Date of Patent: November 18, 2014Assignee: 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: 8778785Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes the steps of providing a workpiece having at least one active area; depositing a liquid composition including the electroactive material onto the workpiece in the active area, to form a wet layer; treating the wet layer on the workpiece at a controlled temperature in the range of ?25 to 80° C. and under a vacuum in the range of 10?6 to 1,000 Torr, for a first period of 1-100 minutes, to form a partially dried layer; and heating the partially dried layer to a temperature above 100° C. for a second period of 1-50 minutes to form a dried layer.Type: GrantFiled: May 15, 2009Date of Patent: July 15, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Reid John Chesterfield, Nugent Truong, Jeffrey A. Merlo, Adam Fennimore, Jonathan M. Ziebarth
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Patent number: 8759818Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.Type: GrantFiled: December 21, 2009Date of Patent: June 24, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David LeCloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Weishi Wu, Vsevolod Rostovtsev, Michael Henry Howard, Jr., Hong Meng, Yulong Shen, Jeffrey A. Merlo, Eric Maurice Smith
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Publication number: 20140131684Abstract: An electronic device includes a backplane having a layer of an organic hole injection material disposed thereon. Some areas of the hole injection material having a first predetermined surface energy while selected other areas of the layer of hole injection material have a second, lower, predetermined surface energy associated therewith. The selected other areas of lower surface energy are produced by heating of these areas by exposure of the selected other areas to radiation, such as from a laser. A layer of a composition including an organic hole transport material disposed directly on at least some of the areas of the layer of the hole injection material having the first, higher, predetermined surface energy.Type: ApplicationFiled: November 8, 2013Publication date: May 15, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Shiva Prakash, Stephen Sorich, Adam Fennimore
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Patent number: 8652655Abstract: 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: GrantFiled: September 23, 2011Date of Patent: February 18, 2014Assignee: 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: 20140034941Abstract: 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 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 either the exposed areas or 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. There is also provided an organic electronic device made by the process.Type: ApplicationFiled: October 14, 2013Publication date: February 6, 2014Applicant: E I Du Pont De Nemours And CompanyInventors: ADAM FENNIMORE, Jonathan M. Ziebarth, Nora Sabina Radu
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Patent number: 8617720Abstract: 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: GrantFiled: December 21, 2009Date of Patent: December 31, 2013Assignee: 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
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Publication number: 20130323880Abstract: 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 developed priming layer, wherein the pattern of developed 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 developed priming layer on the first layer.Type: ApplicationFiled: February 10, 2012Publication date: December 5, 2013Applicant: EI Du Pont De Nemours and CompanyInventors: Nora Sabina Radu, Kyung-Ho Park, Adam Fennimore, Kerwin D. Dobbs
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Patent number: 8592239Abstract: 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 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 either the exposed areas or 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. There is also provided an organic electronic device made by the process.Type: GrantFiled: December 21, 2009Date of Patent: November 26, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Adam Fennimore, Jonathan M. Ziebarth, Nora Sabina Radu
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Publication number: 20130299801Abstract: 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: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Inventors: 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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Publication number: 20130299800Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes the steps of providing a workpiece having at least one active area; depositing a liquid composition including the electroactive material onto the workpiece in the active area, to form a wet layer; treating the wet layer on the workpiece at a controlled temperature in the range of ?25 to 80° C. and under a vacuum in the range of 10?6 to 1,000 Torr, for a first period of 1-100 minutes, to form a partially dried layer; and heating the partially dried layer to a temperature above 100° C. for a second period of 1-50 minutes to form a dried layer.Type: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Inventors: Reid John Chesterfield, Nugent Truong, Jeffrey A. Merlo, Adam Fennimore, Jonathan M. Ziebarth
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Publication number: 20130264561Abstract: 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: ApplicationFiled: December 19, 2011Publication date: October 10, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Mark A. Guidry, Norman Herron, Nora Sabina Radu, Gene M. Rossi, Gabriel C. Schumacher
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Publication number: 20130264560Abstract: 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: ApplicationFiled: December 19, 2011Publication date: October 10, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Mark A Guidry, Norman Herron, Nora Sabina Radu, Gene M Rossi, Gabriel C Schumacher
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Publication number: 20130256646Abstract: There is provided a compound having Formula I or Formula II In Formula I: R1-R4 are the same or different and are H, D, alkyl, silyl, alkoxy, cyano or aryl. At least two of R1-R4 are aryl groups and at least one aryl group includes an N,O,S-heterocycle. When two of R1-R4 include N-carbazolyl groups, two of R1-R4 are not aryl; In Formula II: Q is a single bond or a hydrocarbon aryl; and R5 and R6 are the same or different at each occurrence and are H, D, alkyl, silyl, alkoxy, cyano or aryl. At least one of R5 and at least one of R6 are an aryl group. At least one aryl group includes an N,O,S-heterocycle.Type: ApplicationFiled: December 20, 2011Publication date: October 3, 2013Applicant: E I DU Pont De Nemours and CompanyInventors: Adam Fennimore, Michael Henry Howard, JR.
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Publication number: 20130248849Abstract: 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: ApplicationFiled: December 19, 2011Publication date: September 26, 2013Applicant: E I DuPont De Nemours and CompanyInventors: 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
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Publication number: 20130248848Abstract: 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: ApplicationFiled: December 19, 2011Publication date: September 26, 2013Applicant: E.I. Du Pont Nemours and CompanyInventors: Nora Sabina Radu, Adam Fennimore
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Publication number: 20130248847Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 through Ar4 are the same or different and are aryl groups; L is a spiro group, an adamantyl group, bicyclic cyclohexyl, deuterated analogs thereof, or substituted derivatives thereof; R1 is the same or different at each occurrence and is D, F, alkyl, aryl, alkoxy, silyl, or a crosslinkable group, where adjacent R1 groups can be joined together to form an aromatic ring; R2 is the same or different at each occurrence and is H, D, or halogen; a is the same or different at each occurrence and is an integer from 0-4; and n is an integer greater than 0.Type: ApplicationFiled: December 19, 2011Publication date: September 26, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Nora Sabina Radu, Adam Fennimore
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Publication number: 20130240866Abstract: There is provided a compound having Formula I or Formula II where: Ar1—Ar4 are the same or different and are H, D, or aryl.Type: ApplicationFiled: December 12, 2011Publication date: September 19, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Kalindi Dogra, Adam Fennimore, Christina M. Older, Robert A. Eakin