Patents by Inventor Henning Sirringhaus
Henning Sirringhaus 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: 11422109Abstract: A sensor device for detecting a target species in an aqueous media and/or measuring the concentration of a target species in an aqueous media, the sensor device comprising: (a) an active semiconductor comprising an organic semiconductor material that exhibit substantially the same transfer curve for a period of at least 24 hours when first exposed to air; and (b) a structure for directing an aqueous media into contact with the sensor device.Type: GrantFiled: December 20, 2017Date of Patent: August 23, 2022Assignee: CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning Sirringhaus, Jerome Charmet, Mark Nikolka, Dimitrios Simatos
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Publication number: 20200116667Abstract: A sensor device for detecting a target species in an aqueous media and/or measuring the concentration of a target species in an aqueous media, the sensor device comprising: (a) an active semiconductor comprising an organic semiconductor material that exhibit substantially the same transfer curve for a period of at least 24 hours when first exposed to air; and (b) a structure for directing an aqueous media into contact with the sensor device.Type: ApplicationFiled: December 20, 2017Publication date: April 16, 2020Applicant: CAMBDRIDGE ENTERPRISE LIMITEDInventors: Henning SIRRINGHAUS, Jerome CHARMET, Mark NIKOLKA, Dimitrios SIMATOS
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Patent number: 10573759Abstract: A transistor device comprising an inorganic oxide semiconductor channel having a channel length L and a channel width W between source and drain conductors and capacitively coupled to a gate conductor via an organic polymer dielectric in contact with the inorganic oxide semiconductor channel. The gate voltage required to maintain a constant current of at least X nA between the source and drain conductors over a period of 14 hours while the gate and drain conductors are maintained at the same electric potential, varies by less than 1V, preferably less than about 0.2V; wherein X equals the W/L ratio multiplied by 50.Type: GrantFiled: October 20, 2015Date of Patent: February 25, 2020Assignee: CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning Sirringhaus, Kal Banger, Vincenzo Pecunia
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Patent number: 10476015Abstract: An electronic or optoelectronic device including a semiconductor layer, wherein the semiconductor layer comprises at least a semiconductive organic material, water species, and at least one additive in an amount of at least 0.1% by weight relative to the semiconductive organic material, which additive at least partly negates a charge carrier trapping effect caused by the water species on the semiconductive organic material.Type: GrantFiled: June 29, 2016Date of Patent: November 12, 2019Assignees: FLEXENABLE LIMITED, CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning Sirringhaus, Mark Nikolka, Iyad Nasrallah, Jan Jongman
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Publication number: 20180337287Abstract: A transistor device comprising an inorganic oxide semiconductor channel having a channel length L and a channel width W between source and drain conductors and capacitively coupled to a gate conductor via an organic polymer dielectric in contact with the inorganic oxide semiconductor channel, wherein the gate voltage required to maintain a constant current of at least X nA between the source and drain conductors over a period of 14 hours while the gate and drain conductors are maintained at the same electric potential, varies by less than 1V, preferably less than about 0.2V; wherein X equals the W/L ratio multiplied by 50.Type: ApplicationFiled: October 20, 2015Publication date: November 22, 2018Applicant: CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning SIRRINGHAUS, Kal BANGER, Vincenzo PECUNIA
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Patent number: 10018689Abstract: We describe a method of detecting a voltage from a spin-current, the spin-current comprising a current having a spin predominantly aligned in a spin direction, the method comprising: flowing the spin current through a layer of organic material in a vertical direction through the layer; and detecting an electric field in a lateral direction in the layer of organic material. In a preferred embodiment the organic layer is anisotropic and has a higher electrical conductivity in the lateral direction than in the vertical direction.Type: GrantFiled: October 21, 2013Date of Patent: July 10, 2018Assignees: CAMBRIDGE ENTERPRISE LIMITED, TOHOKU UNIVERSITYInventors: Henning Sirringhaus, Kazuya Ando, Eiji Saitoh, Sebastian Mooser, Shun Watanabe
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Publication number: 20180190918Abstract: An electronic or optoelectronic device including a semiconductor layer, wherein the semiconductor layer comprises at least a semiconductive organic material, water species, and at least one additive in an amount of at least 0.1% by weight relative to the semiconductive organic material, which additive at least partly negates a charge carrier trapping effect caused by the water species on the semiconductive organic material.Type: ApplicationFiled: June 29, 2016Publication date: July 5, 2018Applicants: FLEXENABLE LIMITED, CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning SIRRINGHAUS, Mark NIKOLKA, Iyad NASRALLAH, Jan JONGMAN
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Patent number: 9985207Abstract: A method of producing an electronic device including the steps of: (i) providing a body including a first, conductive element separated from a first surface of said body by a portion of said body; (ii) removing a selected portion of said body to define a recess in said body extending from said first surface and via which a portion of said first element is exposed; and (iii) putting into said recess a liquid medium carrying a first material; wherein said first material is preferentially deposited on the exposed inner surface of said body defining said recess, and wherein the deposited first material is used to provide a connection between said first element and a second conductive element located within said body or later deposited over said first surface of said body.Type: GrantFiled: December 6, 2005Date of Patent: May 29, 2018Assignee: FLEXENABLE LIMITEDInventors: Carl Hayton, Henning Sirringhaus, Timothy Von Werne, Shane Norval
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Patent number: 9614158Abstract: A method for forming a semiconductor body, the method comprising: forming a mixture of an organic semiconducting material and a binder material; causing the semiconducting material to at least partially solidify; and causing the binder material to crystallize in such a way as to cause the semiconducting material to at least partially segregate from the binder material.Type: GrantFiled: July 29, 2013Date of Patent: April 4, 2017Assignees: CAMBRIDGE ENTERPRISE LIMITED, TECHNISCHE UNIVERSITEIT EINDHOVEN, EIDGENOSSICHE TECHNISCHE HOCHSCHULE ZURICHInventors: Henning Sirringhaus, Shalom Goffri, Rene A. J. Janssen, Christopher Paul Radano, Paul Smith, Christian Muller, Pascal Wolfer, Natalie Stingelin-Stutzmann
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Publication number: 20160169988Abstract: We describe a method of detecting a voltage from a spin-current, the spin-current comprising a current having a spin predominantly aligned in a spin direction, the method comprising: flowing the spin current through a layer of organic material in a vertical direction through the layer; and detecting an electric field in a lateral direction in the layer of organic material. In a preferred embodiment the organic layer is anisotropic and has a higher electrical conductivity in the lateral direction than in the vertical direction.Type: ApplicationFiled: October 21, 2013Publication date: June 16, 2016Applicants: CAMPBRIDGE ENTERPRISE LIMITED, TOHOKKU UNIVERSITYInventors: HENNING SIRRINGHAUS, KAZUYA ANDO, EIJI SAITOH, SEBASTIAN MOOER, SHUN WATANABE
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Patent number: 9343680Abstract: This invention generally relates to a patterned substrate for an electronic device and to electronic devices, device arrays, field effect transistors and transistor arrays comprising the patterned substrate. The invention also relates to a logic circuit, display, memory or sensor device comprising the patterned substrate. Further the invention relates to a method of patterning a substrate for an electronic device. In an embodiment, a patterned substrate for an electronic device comprises: a first body having an edge; a second body comprising an elongate plurality of printed droplets having an edge adjacent to and substantially aligned to said first body edge; and a separation between said first body edge and said second body edge, wherein said elongate plurality of printed droplets is at an angle of about 5 degrees to about 90 degrees to said first body edge.Type: GrantFiled: July 29, 2010Date of Patent: May 17, 2016Assignee: Cambridge Enterprise LimitedInventors: Henning Sirringhaus, Mario Carioni, Enrico Gili
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Patent number: 9275856Abstract: A method for forming an electronic switching device on a substrate, wherein the method comprises depositing the active semiconducting layer of the electronic switching device onto the substrate from a liquid dispersion of ligand-modified colloidal nanorods, and subsequently immersing the substrate into a growth solution to increase the diameter and/or length of the nanorods on the substrate, and wherein the as-deposited nanorods are aligned such that their long-axis is aligned preferentially in the plane of current flow in the electronic switching device.Type: GrantFiled: February 24, 2014Date of Patent: March 1, 2016Assignee: CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning Sirringhaus, Baoquan Sun
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Patent number: 9257666Abstract: The present invention relates integrated optoelectronic devices comprising light emitting field-effect transistors. We describe an optoelectronic device comprising a light-emitting field effect transistor (LFET) with an organic semiconductor active layer and a waveguide integrated within the channel of the light-emitting field effect transistor, wherein said waveguide comprises a material which has a higher refractive index than said organic semiconductor. We also describe a light-emitting organic field transistor integrated with a ridge or rib waveguide incorporated within the channel of the LFET; and a similar light-emitting organic field effect transistor in which the waveguide incorporates an optical feedback mechanism.Type: GrantFiled: November 26, 2009Date of Patent: February 9, 2016Assignee: CAMBRIDGE ENTERPRISE LIMITEDInventors: Henning Sirringhaus, Michael C. Gwinner, Harald Giessen, Heinz Clemens Schweizer
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Publication number: 20150221896Abstract: An ambipolar, light-emitting transistor comprising an organic semiconductive layer in contact with an electron injecting electrode and a hole injecting electrode separated by a distance L defining the channel length of the transistor, in which the zone of: the organic semiconductive layer from which the light is emitted is located more than L/10 away from both the electron as well as the hole injecting electrode.Type: ApplicationFiled: February 9, 2015Publication date: August 6, 2015Applicant: CAMBRIDGE UNIVERSITY TECHNICAL SERVICES LIMITEDInventors: Jana ZAUMSEIL, Henning SIRRINGHAUS, Lay-Lay CHUA, Peter Kian-Hoon HO, Richard Henry FRIEND
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Patent number: 9034736Abstract: The present invention provides a method of patterning an electronic or photonic material on a substrate comprising: forming a film of said electronic or photonic material on said substrate; and using a fluoropolymer to protect regions of said electronic or photonic material during a patterning process.Type: GrantFiled: July 9, 2010Date of Patent: May 19, 2015Assignee: Cambridge Enterprise LimitedInventors: Henning Sirringhaus, Jui-Fen Chang, Michael Gwinner
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Patent number: 8986793Abstract: A method of producing a metal element of an electronic device on a substrate, including the steps of: forming a mixture of a material comprising metal atoms with a liquid, depositing the material from the liquid mixture onto a substrate, and then irradiating at least part of the deposited material with light to increase the electrical conductivity of the deposited material.Type: GrantFiled: September 2, 2004Date of Patent: March 24, 2015Assignee: Plastic Logic LimitedInventors: Paul Cain, Anoop Menon, Henning Sirringhaus, James D. Watts, Tim Von Werne, Thomas M. Brown
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Patent number: 8987808Abstract: An electronic device comprising an optically transparent substrate, a first electrode structure incorporating a channel, said channel being optically transparent and said electrode structure being optically opaque, at least one intermediate layer, and a photosensitive dielectric layer disposed above the at least one intermediate layer, the photosensitive dielectric layer incorporating a trench in a region essentially over said channel, the electronic device further comprising a further electrode, wherein the further electrode is located partially in the trench and partially beyond the trench such that portions of the further electrode that extend beyond the trench are separated from the at least one intermediate layer by the photosensitive dielectric layer.Type: GrantFiled: March 28, 2007Date of Patent: March 24, 2015Assignees: Cambridge Enterprise Limited, Plastic Logic LimitedInventors: Paul A. Cain, Yong-Young Noh, Henning Sirringhaus
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Patent number: 8969852Abstract: An electronic device including at least first and second transistors integrated together on a substrate and each including an organic semiconductor region, wherein the first and second transistors are either both n-type or both p-type but wherein one of the first and second transistors is a normally-ON transistor and the other of the first and second transistors is a normally-OFF transistor.Type: GrantFiled: September 10, 2004Date of Patent: March 3, 2015Assignee: Plastic Logic LimitedInventors: Paul A. Cain, Henning Sirringhaus, Nicholas J. Stone, Thomas M. Brown
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Patent number: 8900955Abstract: An electronic device comprising an optically transparent substrate, a first electrode structure incorporating a channel, said channel being optically transparent and said electrode structure being optically opaque, at least one intermediate layer, and a photosensitive dielectric layer disposed above the at least one intermediate layer, the photosensitive dielectric layer incorporating a trench in a region essentially over said channel, the electronic device further comprising a further electrode, wherein the further electrode is located partially in the trench and partially beyond the trench such that portions of the further electrode that extend beyond the trench are separated from the at least one intermediate layer by the photosensitive dielectric layer.Type: GrantFiled: September 15, 2012Date of Patent: December 2, 2014Assignees: Cambridge Enterprise Limited, Plastic Logic LimitedInventors: Paul A. Cain, Yong-Young Noh, Henning Sirringhaus
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Patent number: 8896071Abstract: A technique for isolating electrodes on different layers of a multilayer electronic device across an array containing more than 100000 devices on a plastic substrate. The technique comprises depositing a bilayer of a first dielectric layer (6) of a solution-processible polymer dielectric and a layer of parylene (9) to isolate layers of conductor or semiconductor on different levels of the device. The density of defects located in the active area of one of the multilayer electronic devices is typically more than 1 in 100000.Type: GrantFiled: May 12, 2008Date of Patent: November 25, 2014Assignee: Plastic Logic LimitedInventors: Timothy Von Werne, Catherine Mary Ramsdale, Henning Sirringhaus