Patents by Inventor Natasha M. Conway
Natasha M. 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: 9660212Abstract: A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type.Type: GrantFiled: March 9, 2015Date of Patent: May 23, 2017Assignee: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Nalinkumar Lallubhai Patel, Natasha M. Conway, Mark Leadbeater, Ilaria Grizzi
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Patent number: 9179518Abstract: An organic light emissive device, which comprises: an anode; a cathode; and an organic light emissive region between the anode and the cathode, which region comprises: a layer of blue light electroluminescent organic material which emits light having first CIE co-ordinates by exciton radiative decay; and a layer of longer wavelength electroluminescent organic material which intrinsically emits light having second CIE co-ordinates by exciton radiative decay; wherein the layers of blue light and longer wavelength materials are selected so that the organic light emissive region emits white light falling within a region having a CIE ? coordinate equivalent to that emitted by a black body at 3000-9000K and CIE ? co-ordinate of said light emitted by a black body.Type: GrantFiled: December 23, 2005Date of Patent: November 3, 2015Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CDT OXFORD LIMITEDInventors: Natasha M. Conway, Nalinkumar Patel, Richard Wilson, Ilaria Grizzi
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Patent number: 9136494Abstract: A white light emitting material comprising a polymer having an emitting polymer chain and at least one emitting end capping group.Type: GrantFiled: March 18, 2013Date of Patent: September 15, 2015Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMITOMO CHEMICAL CO. LIMITEDInventors: Richard Wilson, Thomas Pounds, Natasha M. Conway, Ilaria Grizzi, Antonio Guerrero Castillejo
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Publication number: 20150188069Abstract: A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type.Type: ApplicationFiled: March 9, 2015Publication date: July 2, 2015Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Nalinkumar Lallubhai Patel, Natasha M. Conway, Mark Leadbeater, Ilaria Grizzi
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Patent number: 8974917Abstract: A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type.Type: GrantFiled: December 20, 2004Date of Patent: March 10, 2015Assignee: Cambridge Display Technology LimitedInventors: Nalinkumar L. Patel, Natasha M. Conway, Mark Leadbeater, Ilaria Grizzi
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Patent number: 8878163Abstract: An organic light-emitting device comprising an anode; a hole transport layer; a light-emitting layer; and a cathode, characterized in that the hole transport layer comprises a polymer having a repeat unit comprising a 9,9 biphenyl fluorene unit wherein the 9-phenyl rings are independently and optionally substituted and the fluorene unit is optionally fused.Type: GrantFiled: November 18, 2008Date of Patent: November 4, 2014Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Co., Ltd.Inventors: Natasha M. Conway, Mary J. McKiernan, Brian Tierney
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Publication number: 20130237680Abstract: A white light emitting material comprising a polymer having an emitting polymer chain and at least one emitting end capping group.Type: ApplicationFiled: March 18, 2013Publication date: September 12, 2013Applicants: Sumitomo Chemical Co., Ltd., Cambridge Display Technology LimitedInventors: Richard Wilson, Thomas Pounds, Natasha M. Conway, Ilaria Grizzi, Antonio Guerrero Castillejo
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Patent number: 8502199Abstract: A semiconductive conjugated polymer comprising a first repeat unit comprising general formula I: where Ar1, Ar3, and Ar5 are the same or different and wherein each represents an optionally substituted aryl or heteroaryl group; Ar2 and Ar4 are the same or different and each represent a substituted aryl or heteroaryl group; and Ar2 and Ar4 sterically interact with one another so as to cause an increase in the bandgap of the polymer.Type: GrantFiled: December 23, 2005Date of Patent: August 6, 2013Assignees: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Brian Tierney, Mark Leadbeater, Nalinkumar Patel, Clare L. Foden, Natasha M. Conway, Mary J. McKiernan
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Publication number: 20100320454Abstract: A white light emitting material comprising a polymer having an emitting polymer chain and at least one emitting end capping group.Type: ApplicationFiled: January 22, 2009Publication date: December 23, 2010Applicant: Cambridge Display Technology LimitedInventors: Richard Wilson, Thomas Pounds, Natasha M. Conway, Ilaria Grizzi, Antonio Guerrero Castillejo
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Publication number: 20100276674Abstract: An organic light-emitting device comprising an anode; a hole transport layer; a light-emitting layer; and a cathode, characterised in that the hole transport layer comprises a polymer having a repeat unit comprising a 9,9 biphenyl fluorene unit wherein the 9-phenyl rings are independently and optionally substituted and the fluorene unit is optionally fused.Type: ApplicationFiled: November 18, 2008Publication date: November 4, 2010Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMATION CO., LIMITEDInventors: Natasha M. Conway, Mary J. McKiernan, Brian Tierney
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Publication number: 20090174311Abstract: A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type.Type: ApplicationFiled: December 20, 2004Publication date: July 9, 2009Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Nalinkumar L. Patel, Natasha M. Conway, Mark Leadbeater, Ilaria Grizzi
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Publication number: 20090146164Abstract: A semiconductive conjugated polymer comprising a first repeat unit comprising general formula I: where Arl, Ar3, and Ar5 are the same or different and wherein each represents an optionally substituted aryl or heteroaryl group; Ar2 and Ar4 are the same or different and each represent a substituted aryl or heteroaryl group; and Ar2 and Ar4 sterically interact with one another so as to cause an increase in the bandgap of the polymer.Type: ApplicationFiled: December 23, 2005Publication date: June 11, 2009Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Brian Tierney, Mark Leadbeater, Nalinkumar Patel, Clare L. Foden, Natasha M. Conway, Mary J. McKiernan
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Publication number: 20080197768Abstract: An organic light emissive device, which comprises: an anode; a cathode; and an organic light emissive region between the anode and the cathode, which region comprises: a layer of blue light electroluminescent organic material which emits light having first CIE co-ordinates by exciton radiative decay; and a layer of longer wavelength electroluminescent organic material which intrinsically emits light having second CIE co-ordinates by exciton radiative decay; wherein the layers of blue light and longer wavelength materials are selected so that the organic light emissive region emits white light falling within a region having a CIE X coordinate equivalent to that emitted by a black body at 3000-9000K and CIE ? co-ordinate of said light emitted by a black body.Type: ApplicationFiled: December 23, 2005Publication date: August 21, 2008Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CDT OXFORD LIMITEDInventors: Natasha M. Conway, Nalinkumar Patel, Richard Wilson, Ilaria Grizzi