Patents by Inventor Jonathan Pillow
Jonathan Pillow 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: 20130200348Abstract: Composition having an organic semiconducting material and a triplet-accepting material of formula (I) with a triplet energy level lower than the triplet energy level of the organic semiconducting material, in which each Ar is optionally substituted aryl or heteroaryl group, n is 1-3, m is 1-5, q is 0 or 1, each R3 is H or a substituent, and each R4 is H or a substituent. Where R4 is not H, R4 and (Ar)m bound to the same carbon atom may be linked by a direct bond or a divalent group. Where n or m is at least 2, adjacent Ar groups may be linked by a divalent group. Where q=0, R3 is not H and is linked to (Ar)n by a direct bond or a divalent group.Type: ApplicationFiled: June 24, 2011Publication date: August 8, 2013Inventors: Jonathan Pillow, Torsten Bünnagel, Martina Pintani, Christian Nielsen
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Publication number: 20130200352Abstract: An electroluminescent device (20) having a first layer comprising a fluorinated first organic compound with one or more fluorene residues and soluble in a fluorinated solvent, the first layer being adjacent to a second layer having second organic compound that is insoluble in a fluorinated solvent, and methods and materials for making said device.Type: ApplicationFiled: September 2, 2011Publication date: August 8, 2013Applicant: CAMBRIDGE DISPLAY TECHNOLOGY, LTD.Inventor: Jonathan Pillow
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Publication number: 20130187146Abstract: Composition which may be useful in an organic light emitting diode, the composition having a fluorescent light-emitting polymer with light-emitting repeat units, and a triplet-accepting unit bound to the light-emitting polymer.Type: ApplicationFiled: June 24, 2011Publication date: July 25, 2013Applicants: SUMITOMO CHEMICAL COMPANY LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Jonathan Pillow, Matthew Roberts, Martina Pintani, Simon King, MIchael Cass
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Publication number: 20130187145Abstract: Composition comprising a fluorescent light-emitting material and a triplet-accepting unit comprising an optionally substituted compound of formula (I): The composition may be used in an organic light-emitting device; the optionally substituted compound of formula (I) may be blended with or attached to the fluorescent light emitting material; and the composition may be deposited by solution deposition.Type: ApplicationFiled: June 24, 2011Publication date: July 25, 2013Applicants: SUMITOMO CHEMICAL COMPANY LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Ruth Pegington, Martina Pintani, Jonathan Pillow
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Patent number: 8399605Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterized in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.Type: GrantFiled: December 18, 2006Date of Patent: March 19, 2013Assignees: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
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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
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Patent number: 8154194Abstract: An organic light-emitting device comprising: an anode; a cathode; a light-emitting layer located between the anode and the cathode, said light-emitting layer containing a light-emitting metal complex comprising general formula 1: (1) where M represents Re(I), W(0), Ir(III), or Os(II); L1 represents a tridentate ligand; and L2, L3 and L4 represent ligands, characterised in that L1 comprises general formula 2:(2) where R1 represents a bridging group; and Ar1, Ar2 and Ar3 each independently represents a group comprising a heteroaryl ring and * indicates coordination to M.Type: GrantFiled: September 15, 2006Date of Patent: April 10, 2012Assignees: CDT Oxford Limited, Sumitomo Chemical Co. LimitedInventors: Nigel Male, Jonathan Pillow, Martin Humphries
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Publication number: 20110186828Abstract: A light-emitting material comprising a conjugated polymer and a blue-light emitting perylene.Type: ApplicationFiled: July 30, 2009Publication date: August 4, 2011Applicant: Cambridge Display Technology LimitedInventors: Jonathan Pillow, Martin Humphries, Shigeya Kobayashi
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Publication number: 20110180758Abstract: A light-emitting polymer has less than or equal to 5 mol % of a light-emitting optionally substituted structural unit having general formula 1: or fused derivatives thereof. The structural unit may comprise terminal groups of a polymer main chain, or be provided as repeat units at concentrations of less than 1 mol % in the polymer main chain. In particular, a polymer having fluorene repeat units, such as a homopolymer of 9,9-dialkylfluoren-2,7-diyl, may be utilized to provide electron transport and a copolymer comprising triarylamine repeat unit may be utilized to provide hole transport in an OLED device.Type: ApplicationFiled: August 26, 2009Publication date: July 28, 2011Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventor: Jonathan Pillow
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Publication number: 20110163270Abstract: This invention relates to a hat emitting device which comprises at least one layer that contains an organometallic dendrimer having a core comprising a metal cation. The invention also relates to organometallic dendrimers and methods for producing the same.Type: ApplicationFiled: March 11, 2011Publication date: July 7, 2011Applicants: ISIS INNOVATION LIMITED, THE UNIVERSITY COURT OF THE UNIVERSITY OF ST. ANDREWSInventors: Paul Leslie Burn, Victor Christou, Shih-Chun Lo, Jonathan Pillow, John Lupton, Ifor Samuel
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Publication number: 20100072886Abstract: This invention relates to a light emitting device which comprises at least one layer that contains an organometallic dendrimer having a core comprising a metal cation. The invention also relates to organometallic dendrimers and methods for producing the same.Type: ApplicationFiled: September 22, 2009Publication date: March 25, 2010Applicants: ISIS INNOVATION LIMITED, THE UNIVERSITY COURT OF THE UNIVERSITY OF ST. ANDREWSInventors: Paul Leslie Burn, Victor Christou, Shih-Chun Lo, Jonathan Pillow, John Lupton, Ifor Samuel
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Patent number: 7592074Abstract: This invention relates to a light emitting device which comprises at least one layer that contains an organometallic dendrimer having a core comprising a metal cation. The invention also relates to organometallic dendrimers and methods for producing the same.Type: GrantFiled: February 20, 2002Date of Patent: September 22, 2009Assignees: ISIS Innovation Limited, The University Court of the University of St. AndrewsInventors: Paul Leslie Burn, Victor Christou, Shih-Chun Lo, Jonathan Pillow, John Lupton, Ifor Samuel
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Publication number: 20090091247Abstract: An organic light-emitting device comprising: an anode; a cathode; a light-emitting layer located between the anode and the cathode, said light-emitting layer containing a light-emitting metal complex comprising general formula 1: (1) where M represents Re(I), W(0), Ir(III), or Os(II); L1 represents a tridentate ligand; and L2, L3 and L4 represent ligands, characterised in that L1 comprises general formula 2:(2) where R1 represents a bridging group; and Ar1, Ar2 and Ar3 each independently represents a group comprising a heteroaryl ring and * indicates coordination to M.Type: ApplicationFiled: September 15, 2006Publication date: April 9, 2009Inventors: Nigel Male, Jonathan Pillow, Martin Humphries
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Publication number: 20080309229Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterised in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.Type: ApplicationFiled: December 18, 2006Publication date: December 18, 2008Applicants: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
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Publication number: 20080176104Abstract: An electroluminescent device comprising:—a first electrode for injection of positive charge carriers;—a second electrode for injection of negative charge carriers; and—an electroluminescent layer located between the first and second electrodes comprising a host material and a metal complex, wherein the host material comprises a polymer having a first repeat unit of formula (I): wherein each Ar is the same or different and independently represents an optionally substituted aryl or heteroaryl and any two Ar groups may be directly linked by a single bond.Type: ApplicationFiled: August 2, 2004Publication date: July 24, 2008Applicants: CDT Oxford Limited, Cambridge Display Technology LimitedInventors: Carl Towns, Ilaria Grizzi, Stephen O'Connor, Annette Steudel, Jonathan Pillow, Michael Frampton
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Publication number: 20070073093Abstract: A light emitting device comprising at least one compound of formula (I), (II) or (III) wherein R1 and R2, which may be the same or different, are organic substituents not including H, and wherein R3 and R5 are each independently selected from halo and organic substituents not including H, and wherein R4, R6, R7, R8, R9, and R10 are each independently selected from H, halo, and organic substituents, wherein any two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 may optionally be fused together to form a ring system, provided that one of R3 and R5 is not part of a fused ring system, and provided that R1 and R2 are not fused to each other to form a ring system, and wherein one but not both of either (a) R3 and R4, or (b) R5 and R6, are fused to each other to form a ring system.Type: ApplicationFiled: September 12, 2006Publication date: March 29, 2007Applicant: CDT OXFORD LTD.Inventors: Jonathan Pillow, Michael Frampton
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Publication number: 20050042475Abstract: There is disclosed a light emitting device comprising at least one compound of formula (I), (II) or (III) wherein R1 and R2, which may be the same or different, are organic substituents not including H, and wherein R3 and R5 are each independently selected from halo and organic substituents not including H, and wherein R4, R6, R7, R8, R9, and R10 are each independently selected from H, halo, and organic substituents, wherein any two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 may optionally be fused together to form a ring system, provided that one of R3 and R5 is not part of a fused ring system, and provided that R1 and R2 are not fused to each other to form a ring system, and wherein one but not both of either (a) R3 and R4, or (b) R5 and R6, are fused to each other to form a ring system.Type: ApplicationFiled: November 15, 2002Publication date: February 24, 2005Inventors: Jonathan Pillow, Michael Frampton
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Publication number: 20040137263Abstract: A light emitting device which comprises at least one layer that contains an organometallic dendrimer with a metal cation at its core.Type: ApplicationFiled: February 13, 2004Publication date: July 15, 2004Inventors: Paul Leslie Burn, Victor Christou, Shih-Chun Lo, Jonathan Pillow, John Lupton, Ifor Samuel