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).

  • Patent number: 8361636
    Abstract: 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: Grant
    Filed: October 15, 2007
    Date of Patent: January 29, 2013
    Assignee: Cambridge Display Technology Limited
    Inventors: Carl Towns, Richard O'Dell
  • Publication number: 20110279028
    Abstract: 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: Application
    Filed: July 22, 2011
    Publication date: November 17, 2011
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Patent number: 7985815
    Abstract: 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: Grant
    Filed: April 10, 2002
    Date of Patent: July 26, 2011
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Patent number: 7898163
    Abstract: 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: Grant
    Filed: October 24, 2006
    Date of Patent: March 1, 2011
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Patent number: 7754841
    Abstract: 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: Grant
    Filed: June 22, 2004
    Date of Patent: July 13, 2010
    Assignee: Merck Patent GmbH
    Inventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary Mc Kiernan
  • Patent number: 7696303
    Abstract: 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: Grant
    Filed: May 9, 2003
    Date of Patent: April 13, 2010
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Brian Tierney, Stephen O'Connor, Ilaria Grizzi, Clare L. Foden, Nalinkumar Patel, Mark L. Leadbeater, Lorraine Murtagh
  • Patent number: 7674530
    Abstract: 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: Grant
    Filed: February 26, 2001
    Date of Patent: March 9, 2010
    Assignee: Cambridge Display Technology Limited
    Inventors: Carl Towns, Richard O'Dell, Andrea Lux
  • Patent number: 7632908
    Abstract: 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: Grant
    Filed: May 10, 2002
    Date of Patent: December 15, 2009
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns
  • Patent number: 7629429
    Abstract: 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: Grant
    Filed: May 10, 2002
    Date of Patent: December 8, 2009
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns
  • Patent number: 7351788
    Abstract: 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: Grant
    Filed: June 20, 2002
    Date of Patent: April 1, 2008
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns
  • Patent number: 7348428
    Abstract: 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: Grant
    Filed: October 18, 2002
    Date of Patent: March 25, 2008
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Publication number: 20080053520
    Abstract: 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: Application
    Filed: October 15, 2007
    Publication date: March 6, 2008
    Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Carl TOWNS, Richard O'DELL
  • Publication number: 20070034832
    Abstract: 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: Application
    Filed: October 24, 2006
    Publication date: February 15, 2007
    Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Patent number: 7125952
    Abstract: 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: Grant
    Filed: February 20, 2002
    Date of Patent: October 24, 2006
    Assignee: Cambridge Display Technology, Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Publication number: 20060149016
    Abstract: 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: Application
    Filed: June 22, 2004
    Publication date: July 6, 2006
    Inventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary McKiernan
  • Patent number: 6998181
    Abstract: 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: Grant
    Filed: September 25, 2001
    Date of Patent: February 14, 2006
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Robert Towns, Mary Joyce McKiernan
  • Publication number: 20050209422
    Abstract: 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: Application
    Filed: May 9, 2003
    Publication date: September 22, 2005
    Inventors: Richard O'Dell, Carl Towns, Brian Tieney, Stephen O'Connor, Ilaria Grizzi, Clare Foden, Nalinkumar Patel, Mark Leadbeater, Lorraine Murtagh
  • Patent number: 6887973
    Abstract: 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: Grant
    Filed: February 26, 2001
    Date of Patent: May 3, 2005
    Assignee: Cambridge Display Technology Limited
    Inventors: Carl Towns, Richard O'Dell, Valerie Grand
  • Publication number: 20050070710
    Abstract: 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: Application
    Filed: October 18, 2002
    Publication date: March 31, 2005
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Publication number: 20050064231
    Abstract: 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: Application
    Filed: February 26, 2001
    Publication date: March 24, 2005
    Inventors: Carl Towns, Richard O'Dell, Andrea Lux