Patents by Inventor Natasha Conway
Natasha Conway 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: 11040992Abstract: A compound of formula (I): wherein M is a transition metal; x is at least 1; z is 0 or a positive integer; L1 is a ligand selected from one of ligands (II-A), (II-B); L2 is a ligand selected from another of ligands of formulae (II-A), (II-B) and (II-C); and L3 is a ligand other than a ligand of formulae (II-A), (II-B) or (II-C): (II-A) (II-B) (II-C) in which each of R1-R6 is substituent and Ar1-Ar3 are each an unsubstituted or substituted aryl or heteroaryl group. The compound of formula (I) may be used as a phosphorescent light-emitting material of an organic light-emitting device.Type: GrantFiled: December 15, 2016Date of Patent: June 22, 2021Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Kiran Kamtekar, Natasha Conway, William Tarran
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Publication number: 20200270290Abstract: A compound of formula (I): wherein M is a transition metal; x is at least 1; z is 0 or a positive integer; L1 is a ligand selected from one of ligands (II-A), (II-B); L2 is a ligand selected from another of ligands of formulae (II-A), (II-B) and (II-C); and L3 is a ligand other than a ligand of formulae (II-A), (II-B) or (II-C): (II-A) (II-B) (II-C) in which each of R1-R6 is substituent and Ar1-Ar3 are each an unsubstituted or substituted aryl or heteroaryl group. The compound of formula (I) may be used as a phosphorescent light-emitting material of an organic light-emitting device.Type: ApplicationFiled: December 15, 2016Publication date: August 27, 2020Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Kiran Kamtekar, Natasha Conway, William Tarran
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Patent number: 9331284Abstract: It is an object of the invention to provide a polymer compound that, when used in a light-emitting device, results in excellent luminance life for the obtained light-emitting device. The invention provides a polymer compound comprising a constitutional unit represented by formula (1). [In formula (1), R1A, R1B, R2A, R2B represent an unsubstituted alkyl group, R3 and R4 represented an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted heterocyclic group, an unsubstituted or substituted silyl group, a halogen atom, an alkoxycarbonyl group, a carboxyl or a cyano group, and R5 and R6 represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group or an unsubstituted or substituted aryl group. The letters a, b, c and d each represent an integer of 0 to 3.Type: GrantFiled: January 28, 2011Date of Patent: May 3, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Daisuke Fukushima, Brian Tierney, Natasha Conway, Mary McKiernan
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Patent number: 8617724Abstract: A polymer compound that, when used for fabrication of a light emitting device, results in an excellent luminance lifetime for the obtained light emitting device. A polymer compound comprising a constitutional unit represented by formula (1). (In the formula, R1 and R2 each independently represent an unsubstituted alkyl group. R3 and R4 each independently represent a group other than an unsubstituted alkyl group. R5 and R6 each independently represent an unsubstituted or substituted alkyl, unsubstituted or substituted alkoxy or unsubstituted or substituted aryl group. The letters a and b each independently represent an integer of 0-4. The letters c and d each independently represent an integer of 0-3. When multiple R3, R4, R5 and R6 groups are present, they may be the same or different.Type: GrantFiled: January 28, 2011Date of Patent: December 31, 2013Assignees: Sumitomo Chemical Company, Limited, Cambridge Display Technology LimitedInventors: Daisuke Fukushima, Kazuei Ohuchi, Brian Tierney, Natasha Conway, Mary McKiernan
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Patent number: 8440325Abstract: An electronic device containing a hole transporting semiconductive polymer comprising a first repeat unit comprising a first nitrogen of a triarylamine in the polymer backbone and a second nitrogen of an arylamine pendant from the polymer backbone, characterised in that said semiconductive polymer performs the function of transporting holes to or from a semiconductive material in said device.Type: GrantFiled: December 18, 2006Date of Patent: May 14, 2013Assignees: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Mary McKiernan, Natasha Conway, Richard Wilson
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Patent number: 8399605Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterized in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.Type: GrantFiled: December 18, 2006Date of Patent: March 19, 2013Assignees: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
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Patent number: 8389130Abstract: A polymer for use in an opto-electrical device comprising aromatically conjugated repeat units of optionally substituted 9,9-dimethylfluorene.Type: GrantFiled: April 19, 2007Date of Patent: March 5, 2013Assignee: CDT Oxford LimitedInventors: Ilaria Grizzi, Natasha Conway, Caroline Towns
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Publication number: 20120326140Abstract: It is an object of the invention to provide a polymer compound that, when used in a light-emitting device, results in excellent luminance life for the obtained light-emitting device. The invention provides a polymer compound comprising a constitutional unit represented by formula (1). [In formula (1), R1A, R1B, R2A, R2B represent an unsubstituted alkyl group, R3 and R4 represented an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted heterocyclic group, an unsubstituted or substituted silyl group, a halogen atom, an alkoxycarbonyl group, a carboxyl or a cyano group, and R5 and R6 represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group or an unsubstituted or substituted aryl group. The letters a, b, c and d each represent an integer of 0 to 3.Type: ApplicationFiled: January 28, 2011Publication date: December 27, 2012Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Daisuke Fukushima, Brian Tierney, Natasha Conway, Mary Mckiernan
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Publication number: 20110187266Abstract: A polymer compound that, when used for fabrication of a light emitting device, results in an excellent luminance lifetime for the obtained light emitting device. A polymer compound comprising a constitutional unit represented by formula (1). (In the formula, R1 and R2 each independently represent an unsubstituted alkyl group. R3 and R4 each independently represent a group other than an unsubstituted alkyl group. R5 and R6 each independently represent an unsubstituted or substituted alkyl, unsubstituted or substituted alkoxy or unsubstituted or substituted aryl group. The letters a and b each independently represent an integer of 0-4. The letters c and d each independently represent an integer of 0-3. When multiple R3, R4, R5 and R6 groups are present, they may be the same or different.Type: ApplicationFiled: January 28, 2011Publication date: August 4, 2011Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Daisuke FUKUSHIMA, Kazuei OHUCHI, Brian TIERNEY, Natasha CONWAY, Mary MCKIERNAN
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Publication number: 20090322213Abstract: A polymer for use in an opto-electrical device comprising aromatically conjugated repeat units of optionally substituted 9,9-dimethylfluorene.Type: ApplicationFiled: April 19, 2007Publication date: December 31, 2009Applicant: CDT OXFORD LIMITEDInventors: Ilaria Grizzi, Carl R. Towns, Caroline Towns, Natasha Conway
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Publication number: 20090045740Abstract: An organic light emissive device comprising: an anode; a cathode; and an organic light emissive layer between the anode and the cathode, wherein the cathode comprises an electron-injecting layer comprising an oxide of an alkaline earth metal and wherein the organic light emissive layer comprises an organic phosphorescent material.Type: ApplicationFiled: February 2, 2007Publication date: February 19, 2009Applicant: CDT OXFORD LIMITEDInventors: Natasha Conway, IIaria Grizzi
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Publication number: 20080315757Abstract: An electronic device containing a hole transporting semiconductive polymer comprising a first repeat unit comprising a first nitrogen of a triarylamine in the polymer backbone and a second nitrogen of an arylamine pendant from the polymer backbone, characterised in that said semiconductive polymer performs the function of transporting holes to or from a semiconductive material in said device.Type: ApplicationFiled: December 18, 2006Publication date: December 25, 2008Applicants: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Mary McKiernan, Natasha Conway, Richard Wilson
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Publication number: 20080309229Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterised in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.Type: ApplicationFiled: December 18, 2006Publication date: December 18, 2008Applicants: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
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Publication number: 20060040136Abstract: A method of forming a an emissive layer of an optical device includes the steps of depositing a phosphorescent material to form a deposited layer, and annealing the deposited layer to form an emissive layer. A method of manufacturing an optical device, an emissive layer of an optical device, and an optical device containing such a layer are also disclosed.Type: ApplicationFiled: August 11, 2005Publication date: February 23, 2006Applicant: CDT OXFORD LTD.Inventors: Zugang Liu, Natasha Conway, Ilaria Grizzi