Patents by Inventor Nora Sabina Radu
Nora Sabina Radu 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: 9954174Abstract: There is provided a copolymer having Formula I In Formula I: A is a monomeric unit containing at least one triarylamine group; B? is a monomeric unit having at least three points of attachment in the copolymer; C? is an aromatic monomeric unit or a deuterated analog thereof; E is the same or different at each occurrence and can be H, D, halide, alkyl, silyl, germyl, aryl, arylamino, siloxane, a crosslinkable group, deuterated alkyl, deuterated silyl, deuterated germyl, deuterated aryl, deuterated arylamino, deuterated siloxane, or a deuterated crosslinkable group; a, b, and c are the same or different and are mole fractions, such that a+b+c=1, and a and b are non-zero.Type: GrantFiled: April 20, 2016Date of Patent: April 24, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Nora Sabina Radu, Juergen Weber, Adam Fennimore, Arjan Zoombelt, Phillip Sharrow, Michael Henry Howard, Jr., Tiffany N Hoerter, Gene M Rossi
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Patent number: 9947872Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 and Ar3 are the same or different and are aryl groups; Ar2 and Ar4 are the same or different and are aryl groups; L is the same or different at each occurrence and can be H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; R1-R4 are the same or different and can be H, D, alkyl, alkoxy, aryl, aryloxy, silyl, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl; R5-R8 are the same or different and can be D, F, alkyl, aryl, alkoxy, aryloxy, silyl, crosslinkable groups, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl, where adjacent R5-R8 groups can be joined together to form an aromatic ring; a and b are the same or different and are an integer from 0-3; c and d are the same or different at each occurrence and are an integer from 0-4; m and q are the same or different and are an inteType: GrantFiled: July 2, 2015Date of Patent: April 17, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Adam Fennimore, Nora Sabina Radu
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Publication number: 20170358750Abstract: There is provided a hole transport polymer having a carbazole group and an amino nitrogen having Formula I In the formula: Ar1, Ar2, and Ar4 are the same or different and are substituted or unsubstituted aryl groups or deuterated aryl groups; Ar3 is substituted or unsubstituted aryl groups or deuterated aryl groups; E is the same or different at each occurrence and is selected from the group consisting of H, D, halide, alkyl, aryl, siloxane, deuterated alkyl, deuterated aryl, deuterated siloxane, and a crosslinking group; R1-R2 are the same or different at each occurrence and are selected from the group consisting of D, F, CN, alkyl, fluoroalkyl, aryl, heteroaryl, amino, silyl, germyl, alkoxy, aryloxy, fluoroalkoxy, siloxane, siloxy, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated aryl, deuterated heteroaryl, deuterated amino, deuterated silyl, deuterated germyl, deuterated alkoxy, deuterated aryloxy, deuterated fluoroalkoxy, deuterated siloxane, deuterated siloxy, and crosslinking grType: ApplicationFiled: November 18, 2015Publication date: December 14, 2017Inventors: Nora Sabina Radu, Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Gene M. Rossi, Juergen Weber
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Publication number: 20170200893Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 and Ar3 are the same or different and are aryl groups; Ar2 and Ar4 are the same or different and are aryl groups; L is the same or different at each occurrence and can be H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; R1-R4 are the same or different and can be H, D, alkyl, alkoxy, aryl, aryloxy, silyl, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl; R5-R8 are the same or different and can be D, F, alkyl, aryl, alkoxy, aryloxy, silyl, crosslinkable groups, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl, where adjacent R5-R8 groups can be joined together to form an aromatic ring; a and b are the same or different and are an integer from 0-3; c and d are the same or different at each occurrence and are an integer from 0-4; m and q are the same or different and are an inteType: ApplicationFiled: July 2, 2015Publication date: July 13, 2017Inventors: Adam Fennimore, Nora Sabina Radu
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Patent number: 9685613Abstract: 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: GrantFiled: December 19, 2011Date of Patent: June 20, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Nora Sabina Radu, Adam Fennimore
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Patent number: 9680111Abstract: 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: GrantFiled: February 4, 2016Date of Patent: June 13, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Jerald 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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Patent number: 9577199Abstract: 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: October 8, 2014Date of Patent: February 21, 2017Assignee: E I DU PONT 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: 20170040539Abstract: 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: ApplicationFiled: October 25, 2016Publication date: February 9, 2017Inventors: KYUNG-HO PARK, NORA SABINA RADU, GARY A. JOHANSSON, ADAM FENNIMORE, WILLIAM J. DELANEY, DANIEL DAVID LECLOUX
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Publication number: 20170025609Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 is selected from the group consisting of phenanthrene, triphenylene, triphenylsilyl, triphenylgermyl, dibenzofuran, dibenzothiophene, polyarylphenyl, substituted derivatives thereof, or deuterated analogs thereof; Ar2 and Ar3 are the same or different and are hydrocarbon aryl, heteroaryl, substituted derivatives thereof, or deuterated analogs thereof, with the proviso that Ar2 and Ar3 are not the same as Ar1; and a is 0 or 1. In addition, Ar1, Ar2, and Ar3 have no additional amino substituents.Type: ApplicationFiled: July 13, 2016Publication date: January 26, 2017Inventors: Norman Herron, Weiying Gao, Nora Sabina Radu, Ying Wang
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Patent number: 9525134Abstract: There is provided a hole transport compound having Formula I In Formula I: Ar1-Ar3 are selected from the group consisting of aryl groups and deuterated aryl groups; with the proviso that Ar1 is not the same as Ar2, E is the same or different at each occurrence, and n is an integer greater than or equal to 1. There is also a hole transport compound having Formula II In Formula II: Ar4-Ar7 are the same or different and are aryl groups or deuterated aryl groups; E1 is the same or different at each occurrence; R1-R5 are the same or different at each occurrence; a-e are the same or different and are in integer from 0-4; m is an integer from 0-6; o is an integer greater than or equal to 1. There is also provided an organic electronic device.Type: GrantFiled: August 11, 2015Date of Patent: December 20, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Nora Sabina Radu, Adam Fennimore, Tiffany N. Hoerter, Gene M Rossi
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Patent number: 9515267Abstract: 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: GrantFiled: June 16, 2011Date of Patent: December 6, 2016Assignee: EI DU PONT DE NEMOURS AND COMPANYInventors: Kyung-Ho Park, Nora Sabina Radu, Gary A Johansson, Adam Fennimore, William J Delaney, Daniel David Lecloux
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Publication number: 20160329497Abstract: There is provided a copolymer having Formula I In Formula I: A is a monomeric unit containing at least one triarylamine group; B? is a monomeric unit having at least three points of attachment in the copolymer; C? is an aromatic monomeric unit or a deuterated analog thereof; E is the same or different at each occurrence and can be H, D, halide, alkyl, silyl, germyl, aryl, arylamino, siloxane, a crosslinkable group, deuterated alkyl, deuterated silyl, deuterated germyl, deuterated aryl, deuterated arylamino, deuterated siloxane, or a deuterated crosslinkable group; a, b, and c are the same or different and are mole fractions, such that a+b+c=1, and a and b are non-zero.Type: ApplicationFiled: April 20, 2016Publication date: November 10, 2016Inventors: NORA SABINA RADU, JUERGEN WEBER, ADAM FENNIMORE, ARJAN ZOOMBELT, PHILLIP SHARROW, MICHAEL HENRY HOWARD JR, TIFFANY N. HOERTER, GENE M. ROSSI
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Publication number: 20160315259Abstract: There is provided an electroactive system for forming an electroactive layer. The system includes: (a) a first electroactive material; (b) a facilitation additive; and (c) a first liquid medium. The facilitation additive is present during baking in an amount sufficient to enable the electroactive layer made therefrom to effectively resist mixing with a second liquid medium applied thereover after the electroactive system is deposited and baked at a temperature less than 350° C. for a predetermined time.Type: ApplicationFiled: December 11, 2014Publication date: October 27, 2016Inventors: Adam Fennimore, Denis Yurievich Kondakov, Nora Sabina Radu
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Publication number: 20160308141Abstract: There is provided a hole transport material having Formula I, Formula Ia, or Formula II: In the formulae: A is an aromatic moiety including at least one triarylamino group; B? is an aromatic moiety; E is an end group which is H, D, alkyl, aryl, halide, deuterated alkyl, or deuterated aryl; G is G1, G2, or a deuterated analog thereof where the asterisk represents the point of attachment; n is an integer greater than 0; and m1 and m2 represent non-zero mole fractions, such that m1+m2=1.Type: ApplicationFiled: December 9, 2014Publication date: October 20, 2016Inventors: Nora Sabina Radu, Adam Fennimore
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Publication number: 20160285000Abstract: This invention relates to triarylamine compounds and compositions including such compounds, that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a compound or composition. The triarylamine compound can be present as a hole transport material in a hole transport layer. The triarylamine compound can also be present in a photoactive layer in combination with an organometallic compound capable of electroluminescence having an emission maximum between 380 and 750 nm.Type: ApplicationFiled: March 18, 2016Publication date: September 29, 2016Inventors: NORA SABINA RADU, JERALD FELDMAN, DANIEL DAVID LECLOUX, YING WANG, ADAM FENNIMORE, KERWIN D. DOBBS, GENE M. ROSSI, CHARLES D. MCLAREN, FREDERICK P. GENTRY
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Publication number: 20160164005Abstract: 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: February 4, 2016Publication date: June 9, 2016Inventors: JERALD 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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Patent number: 9306185Abstract: 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: October 14, 2013Date of Patent: April 5, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Adam Fennimore, Jonathan M Ziebarth, Nora Sabina Radu
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Patent number: 9293716Abstract: 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: GrantFiled: December 19, 2011Date of Patent: March 22, 2016Assignee: EI DU PONT DE NEMOURS AND COMPANYInventors: Jerald 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: 20160013413Abstract: 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: September 15, 2015Publication date: January 14, 2016Inventors: 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: 9166174Abstract: 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: July 18, 2013Date of Patent: October 20, 2015Assignee: 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