Patents by Inventor Richard O'Dell
Richard O'Dell 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: 8361636Abstract: A luminescent polymer comprising a triarylene repeat unit which comprises a triarylene of general formula (I) which is substituted or unsubstituted and an arylene repeat unit -[-Ar-]- that is different from the triarylene repeat unit wherein X, Y, and Z are each independently O, S, CR2, SiR2 or NR and each R is independently alkyl, aryl or H.Type: GrantFiled: October 15, 2007Date of Patent: January 29, 2013Assignee: Cambridge Display Technology LimitedInventors: Carl Towns, Richard O'Dell
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Publication number: 20110279028Abstract: A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.Type: ApplicationFiled: July 22, 2011Publication date: November 17, 2011Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Patent number: 7985815Abstract: A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.Type: GrantFiled: April 10, 2002Date of Patent: July 26, 2011Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Patent number: 7898163Abstract: A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: wherein, the substituent has a molecular weight of less than 300.Type: GrantFiled: October 24, 2006Date of Patent: March 1, 2011Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Patent number: 7754841Abstract: The present invention relates to new semiconductive oligomers and polymers, a process for their manufacture and their use in thin film electronic and optical devices, such as organic light emitting diodes (OLED) and photovoltaic devices, eg. solar cells and photodetectors.Type: GrantFiled: June 22, 2004Date of Patent: July 13, 2010Assignee: Merck Patent GmbHInventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary Mc Kiernan
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Patent number: 7696303Abstract: A polymer for use in an optical device comprising a first, optionally substituted, repeat unit of formula and a second, optionally substituted, repeat unit of formula wherein each Ar and Ar? is the same or different and comprises an optionally substituted aryl or heteroaryl group and optionally a third, optionally substituted, repeat unit in a molar ratio of no greater than 5%, the third repeat unit having a formula —Ar—N(Ar)—Ar— and having a single nitrogen atom in its backbone.Type: GrantFiled: May 9, 2003Date of Patent: April 13, 2010Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns, Brian Tierney, Stephen O'Connor, Ilaria Grizzi, Clare L. Foden, Nalinkumar Patel, Mark L. Leadbeater, Lorraine Murtagh
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Patent number: 7674530Abstract: A soluble luminescent polymer comprising a first repeat unit [Ar1] and a second repeat unit comprising a unit of general formula (I) which is substituted or unsubstituted: wherein X is RC?CR, S, O or NR; Ar1, Ar2 and Ar3 are each independently an aromatic or heteroaromatic group; and each R independently is hydrogen or a substituent group.Type: GrantFiled: February 26, 2001Date of Patent: March 9, 2010Assignee: Cambridge Display Technology LimitedInventors: Carl Towns, Richard O'Dell, Andrea Lux
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Patent number: 7632908Abstract: A polymer for use in an optical device comprising a hole transporting region, an electron transporting region, an emissive region, said polymer comprising an optionally substituted repeat unit of formula (I): wherein each Ar is the same or different and comprises an optionally substituted aryl group.Type: GrantFiled: May 10, 2002Date of Patent: December 15, 2009Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns
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Patent number: 7629429Abstract: A polymer having a first repeat unit comprising a group having general formula (I) which is substituted or unsubstituted: where at least one of R1 or R2 comprises at least two substituted or unsubstituted aryl or heteroaryl groups and excluding the group having general formula (I) where one or both of R1 and R2 comprises a triarylamine group.Type: GrantFiled: May 10, 2002Date of Patent: December 8, 2009Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns
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Patent number: 7351788Abstract: A method for making a polymer containing a first repeat unit having formula: —Ar—N(R)—Ar(N(R?)—Ar)x— which may be substituted or unsubstituted where x or 0 or 1; each Ar is the same or different and independently is a substituted or unsubstituted aryl or heteroaryl group and R and R? each is hydrogen or a substituent group and a second repeat unit that is the same or different from the first repeat unit and comprises a substituted or unsubstituted, aryl or heteroaryl group.Type: GrantFiled: June 20, 2002Date of Patent: April 1, 2008Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns
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Patent number: 7348428Abstract: Monomers having the formula X1—Ar1-[triarylamine]—Ar2-X2 wherein the triarylamine unit comprises at least one nitrogen atom in the backbone of the monomer and at least three substituted or unsubstituted aryl or heteroaryl groups and wherein X1 and X2 are the same or different polymerizable groups and wherein Ar1 and Ar2 are the same or different substituted or unsubstituted aryl or heteroaryl groups. Polymers and copolymers comprising such monomers are also described. The polymers have particular application in organic optoelectronic devices such as organic electroluminescent devices and organic photovoltaic devices.Type: GrantFiled: October 18, 2002Date of Patent: March 25, 2008Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Publication number: 20080053520Abstract: A luminescent polymer comprising a triarylene repeat unit which comprises a triarylene of general formula (I) which is substituted or unsubstituted and an arylene repeat unit -[-Ar-]- that is different from the triarylene repeat unit wherein X, Y, and Z are each independently O, S, CR2, SiR2 or NR and each R is independently alkyl, aryl or H.Type: ApplicationFiled: October 15, 2007Publication date: March 6, 2008Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Carl TOWNS, Richard O'DELL
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Publication number: 20070034832Abstract: A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: wherein, the substituent has a molecular weight of less than 300.Type: ApplicationFiled: October 24, 2006Publication date: February 15, 2007Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Patent number: 7125952Abstract: A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: first structural unit—Ar??(II) wherein, the substituent has a molecular weight of less than 300.Type: GrantFiled: February 20, 2002Date of Patent: October 24, 2006Assignee: Cambridge Display Technology, LimitedInventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Publication number: 20060149016Abstract: The present invention relates to new semiconductive oligomers and polymers, a process for their manufacture and their use in thin film electronic and optical devices, such as organic light emitting diodes (OLED) and photovoltaic devices, eg. solar cells and photodetectors.Type: ApplicationFiled: June 22, 2004Publication date: July 6, 2006Inventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary McKiernan
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Patent number: 6998181Abstract: A polymer including a region having a conjugated backbone capable of transporting negative charge carriers, which region includes a plurality of repeat units each including a core group which includes an [Ar?] group substituted with at least one pendant group X and the [Ar?] groups form at least a part of the backbone, wherein each Ar? includes an aromatic or heteroaromatic group and each X includes NAr2 in which each Ar is the same or different and independently includes a substituted or unsubstituted aromatic or heteroaromatic group and N is conjugated with the backbone.Type: GrantFiled: September 25, 2001Date of Patent: February 14, 2006Assignee: Cambridge Display Technology LimitedInventors: Richard O'Dell, Carl Robert Towns, Mary Joyce McKiernan
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Publication number: 20050209422Abstract: A polymer for use in an optical device comprising a first, optionally substituted, repeat unit of formula and a second, optionally substituted, repeat unit of formula wherein each Ar and Ar? is the same or different and comprises an optionally substituted aryl or heteroaryl group and optionally a third, optionally substituted, repeat unit in a molar ratio of no greater than 5%, the third repeat unit having a formula —Ar—N(Ar)—Ar— and having a single nitrogen atom in its backbone.Type: ApplicationFiled: May 9, 2003Publication date: September 22, 2005Inventors: Richard O'Dell, Carl Towns, Brian Tieney, Stephen O'Connor, Ilaria Grizzi, Clare Foden, Nalinkumar Patel, Mark Leadbeater, Lorraine Murtagh
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Patent number: 6887973Abstract: An organic polymer comprising a conjugated backbone for transporting negative charge carriers and having a first band gap and at least one side unit pendent from the backbone for transporting positive charge carriers and having a second band gap, wherein the structure of the organic polymer is selected so that the first and second band gaps are distinct from one another in the polymer.Type: GrantFiled: February 26, 2001Date of Patent: May 3, 2005Assignee: Cambridge Display Technology LimitedInventors: Carl Towns, Richard O'Dell, Valerie Grand
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Publication number: 20050070710Abstract: Monomers having the formula X1—Ar1-[triarylamine]-Ar2—X2 wherein the triarylamine unit comprises at least one nitrogen atom in the backbone of the monomer and at least three substituted or unsubstituted aryl or heteroaryl groups and wherein X1 and X2 are the same or different polymerizable groups and wherein Ar1 and Ar2 are the same or different substituted or unsubstituted aryl or heteroaryl groups. Polymers and copolymers comprising such monomers are also described. The polymers have particular application in organic optoelectronic devices such as organic electroluminescent devices and organic photovoltaic devices.Type: ApplicationFiled: October 18, 2002Publication date: March 31, 2005Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
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Publication number: 20050064231Abstract: A soluble luminescent polymer comprising a first repeat unit [Ar1] and a second repeat unit comprising a unit of general formula (I) which is substituted or unsubstituted: wherein X is RC?CR, S, O or NR; Ar1, Ar2 and Ar3 are each independently an aromatic or heteroaromatic group; and each R independently is hydrogen or a substituent group.Type: ApplicationFiled: February 26, 2001Publication date: March 24, 2005Inventors: Carl Towns, Richard O'Dell, Andrea Lux