Patents by Inventor Ilaria Grizzi
Ilaria Grizzi 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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Publication number: 20230374582Abstract: A method of determining whether a test nucleotide comprises a base complementary to the next base of a template strand immediately downstream of a primer in a primed template nucleic acid molecule is described. The method comprises the use of a marked nucleotide comprising a test nucleotide conjugated to a light emitting marker by a linker.Type: ApplicationFiled: October 12, 2021Publication date: November 23, 2023Applicant: Sumitomo Chemical Co., Ltd.Inventors: Martin Humphries, Jonathan Behrendt, Ilaria Grizzi
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Publication number: 20170229672Abstract: An organic light emitting device comprises a light emitting layer comprising a light emitting polymer; and an electron transporting layer on the light emitting layer and comprising an electron transporting material and an n-donor material. The electron transporting layer comprises at least 20 percent by weight of the n-donor material. By using an electron transporting layer comprising at least 20 percent by weight of the n-donor material it is possible to realise devices with an electron transporting layer having a thickness of less than 20 nm.Type: ApplicationFiled: July 30, 2015Publication date: August 10, 2017Inventors: Ulrich DENKER, Jan BIRNSTOCK, Graham ANDERSON, Elliott SPAIN, Oscar FERNANDEZ, Ilaria GRIZZI
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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: 9574049Abstract: A polymer comprising a first repeat unit of formula (I), wherein each Ar is independently selected from optionally substituted aryl or heteroaryl and the group of formula (I) is present in a molar ratio of less than or equal to 10%, and, optionally, a second, optionally substituted repeat unit having a single nitrogen atom in its backbone of formula —Ar—N(Ar)—Ar— in a molar ratio of no greater than 5%.Type: GrantFiled: March 19, 2004Date of Patent: February 21, 2017Assignee: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Brian Tierney, Ilaria Grizzi, Clare Foden, Nalin Patel, Mark Leadbeater
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Patent number: 9299938Abstract: A white light emitting device having an anode and a cathode and therebetween an organic electroluminescent layer which emits white light on the provision of a current between the anode and the cathode, said organic electroluminescent layer including a plurality of electroluminescent zones in laterally separated arrangement, the first of said electroluminescent zones including a first polymer and the second of said electroluminescent zones including a second polymer, wherein the first polymer includes a fluorescent blue light emitting species and the second polymer includes a fluorescent green light emitting species, said first and/or second zones further including a phosphorescent red light emitting species, such that together with the blue emitting species results in the emission of white light, said first and second polymers being physically incompatible so that separation of the zones pertains.Type: GrantFiled: January 18, 2013Date of Patent: March 29, 2016Assignees: Sumitomo Chemical Company Limited, Cambridge Display Technology LimitedInventors: Martin Humphries, Martina Pintani, Ilaria Grizzi, Clare Foden, Richard J. Wilson, Martial Berry
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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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Publication number: 20150167152Abstract: A method of forming an organic light-emitting device comprising an anode, a cathode and at least one light-emitting layer between the anode and the cathode, the method comprising the steps of: providing an anode layer supported on a surface of the substrate, wherein the anode layer comprises indium tin oxide formed by sputtering indium-tin oxide onto the substrate surface at a substrate surface temperature of less than 100° C., applying the at least one light-emitting layer and the cathode over the anode layer, and applying a hole injection layer that is located in the organic light-emitting device between the anode layer and the light-emitting layer and in contact with the anode layer. The hole-injection layer comprises a conductive polymer, comprising substituted or unsubstituted thiophene repeat units, and a non-conductive material.Type: ApplicationFiled: May 17, 2013Publication date: June 18, 2015Inventors: William Young, Ilaria Grizzi
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Patent number: 9006715Abstract: A method of making an electronic device comprising a double bank well-defining structure, which method comprises: providing an electronic substrate; depositing a first insulating material on the substrate to form a first insulating layer; depositing a second insulating material on the first insulating layer to form a second insulating layer; removing a portion of the second insulating layer to expose a portion of the first insulating layer and form a second well-defining bank; depositing a resist on the second insulating layer and on a portion of the exposed first insulating layer; removing the portion of the first insulating layer not covered by the resist, to expose a portion of the electronic substrate and form a first well-defining bank within the second well-defining bank; and removing the resist. The method can provide devices with reduced leakage currents.Type: GrantFiled: December 6, 2010Date of Patent: April 14, 2015Assignee: Cambridge Display Technology LimitedInventors: Mark Crankshaw, Mark Dowling, Daniel Forsythe, Simon Goddard, Gary Williams, Ilaria Grizzi, Angela McConnell
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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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Publication number: 20150014670Abstract: A white light emitting device having an anode and a cathode and therebetween an organic electroluminescent layer which emits white light on the provision of a current between the anode and the cathode, said organic electroluminescent layer comprising a plurality of electroluminescent zones in laterally separated arrangement, the first of said electroluminescent zones comprising a first polymer and the second of said electroluminescent zones comprising a second polymer, wherein the first polymer comprises a fluorescent blue light emitting species and the second polymer comprises a fluorescent green light emitting species, said first and/or second zones further comprising a phosphorescent red light emitting species, such that together with the blue emitting species results in the emission of white light, said first and second polymers being physically incompatible so that separation of the zones pertains.Type: ApplicationFiled: January 18, 2013Publication date: January 15, 2015Inventors: Martin Humphries, Martina Pintani, Ilaria Grizzi, Clare Foden, Richard J. Wilson, Martial Berry
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Patent number: 8860007Abstract: The invention relates to organic semiconductive polymers comprising a new backbone system, monomers for the preparation of such polymers, methods for the preparation of such polymers and the use of such polymers in organic optoelectronic devices.Type: GrantFiled: November 6, 2003Date of Patent: October 14, 2014Assignee: Merck Patent GmbHInventors: Carl Towns, Ian Rees, Ilaria Grizzi, Mary Mckiernan, Paul Wallace, Thomas Pounds, Clare Foden, Sophie Heidenhain
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Patent number: 8586209Abstract: An improved composition for ink jet printing an opto-electrical device, which composition comprises a solution-processable host material and a metal complex, wherein the viscosity of the composition exceeds 12 mPa·s at 20° C.Type: GrantFiled: August 14, 2009Date of Patent: November 19, 2013Assignee: Cambridge Display Technology LimitedInventors: Paul Wallace, Simon Goddard, Ilaria Grizzi
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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: 8410242Abstract: A pulsed driven display comprising an organic light-emitting device, said device comprising an organic layer comprising a semiconductive polymer, said polymer comprising a fluorene or triarylamine repeat unit, the fluorene or triarylamine repeat unit having a group R pendent from the polymer backbone, wherein R has general formula I: where Ar1 represents phenyl or a group comprising napthyl; Ar2 represents phenyl or a group comprising napthyl; R? represents a substituent group; R?=H or a substituent; n=0, 1, 2 or 3; m=0 or 1; and n?=1 or 2, with the proviso that m=0 if n=0.Type: GrantFiled: April 13, 2006Date of Patent: April 2, 2013Assignees: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Valerie Grand, Richard Wilson, Mark Dowling, Ilaria Grizzi, Mary J. McKiernan
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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: 20130001594Abstract: A method of making an electronic device comprising a double bank well-defining structure, which method comprises: providing an electronic substrate; depositing a first insulating material on the substrate to form a first insulating layer; depositing a second insulating material on the first insulating layer to form a second insulating layer; removing a portion of the second insulating layer to expose a portion of the first insulating layer and form a second well-defining bank; depositing a resist on the second insulating layer and on a portion of the exposed first insulating layer; removing the portion of the first insulating layer not covered by the resist, to expose a portion of the electronic substrate and form a first well-defining bank within the second well-defining bank; and removing the resist. The method can provide devices with reduced leakage currents.Type: ApplicationFiled: December 6, 2010Publication date: January 3, 2013Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Mark Crankshaw, Mark Dowling, Daniel Forsythe, Simon Goddard, Gary Williams, Ilaria Grizzi, Angela McConnell
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Patent number: 8216874Abstract: An optical device comprising an anode, a cathode comprising barium, strontium or calcium, and a layer of organic semiconducting material between the anode and the cathode wherein a layer of hole transporting and electron blocking material is located between the anode and the layer of organic semiconducting material.Type: GrantFiled: April 30, 2009Date of Patent: July 10, 2012Assignee: Cambridge Display Technology LimitedInventors: Brian Tierney, Ilaria Grizzi, Clare Louise Foden, Nalinkumar L. Patel, Mark Leadbeater
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Publication number: 20120085994Abstract: An electroluminescent polymer comprising light-emissive repeat units and a non-emissive polycyclic aromatic hydrocarbon unit with greater than 12 aromatic sp2 hybridized carbon atoms, wherein the non-emissive polycyclic aromatic hydrocarbon unit comprises a structural unit having formula I:Type: ApplicationFiled: April 15, 2010Publication date: April 12, 2012Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Jonathan Pillow, Ilaria Grizzi, Martin Humphries, Ian Warburton