Patents by Inventor Martin Humphries
Martin Humphries 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: 11971069Abstract: A flexible pivot includes a first stage including a first cylinder and interface structure and a second stage including a second cylinder and interface structure in axial alignment with those of the first stage. Flexible connecting members are arranged for connecting the first and the second stages. Each flexible connecting member includes a pair of legs and a cross member joining the legs, each leg extending in a direction transverse to the axis of the cylinders, the legs being attached to the first and the second cylinders respectively. The first cylinder and the first interface structure are concentric. Flexible spokes are attached to the first cylinder by one end and to the first interface structure by the other. Each spoke extends in a direction transverse to the axis of the cylinders. Finally, the second stage includes flexible connection unit arranged to connect the second cylinder to the second interface structure.Type: GrantFiled: November 3, 2016Date of Patent: April 30, 2024Assignee: ALMATECH SAInventors: Luc Blecha, Martin Humphries, Yoel Puyol
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Publication number: 20240076440Abstract: A process of forming a conjugated polymer comprising polymerising a first monomer and a second monomer in the presence of a palladium catalyst and a base, in a solvent system comprising a first solvent, a second solvent and water; wherein: the first and second monomers are is dissolved in the solvent system; and the solvent system is a single phase. The first monomer may be substituted with a polar group, e.g. an ionic group.Type: ApplicationFiled: October 2, 2020Publication date: March 7, 2024Inventors: Philip Stackhouse, Martin Humphries
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Publication number: 20230416601Abstract: A chiral polymer comprising a repeat unit having a first planar group disposed in a first plane; a second planar group disposed in a second plane different from the first plane; a bond or group linking the first planar group and the second planar group; and a first divalent binding group linking the first planar group and the second planar group. The polymer may be used as the active material of an electrooptic modulator.Type: ApplicationFiled: October 29, 2021Publication date: December 28, 2023Inventors: Matthew Roberts, Przemek Gawel, Philip Benze, Jon Pillow, Michael Cass, Simon King, Martin Humphries, Thomas Fletcher
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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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Patent number: 11788001Abstract: A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.Type: GrantFiled: November 24, 2020Date of Patent: October 17, 2023Assignee: Sumitomo Chemical Company LimitedInventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
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Publication number: 20230268309Abstract: An electrically non-conducting film (109) comprising an oligomer comprising an arylene or heteroarylene repeating unit is disposed between a chip (105), e.g. a flip-chip, and a functional layer (101), e.g. a printed circuit board, electrically connected to the chip by electrically conducting interconnects (107). The oligomer may be crosslinked.Type: ApplicationFiled: July 2, 2021Publication date: August 24, 2023Inventors: Martin Humphries, Simon King, Thomas Fletcher, Antonio Attanzio, Kiran Kamtekar
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Publication number: 20230174689Abstract: A light-emitting polymer comprising a repeat unit of formula (I): R1-R4 are each independently H or a substituent; and Ar1 and Ar2 are each independently an aromatic or heteroaromatic group selected from formulae (IIa) and (IIb): The polymer may be formed from a non-luminescent or weakly luminescent monomer.Type: ApplicationFiled: March 31, 2021Publication date: June 8, 2023Applicant: Sumitomo Chemical Co., Ltd.Inventors: Florence Bourcet, Jonathan Pillow, Martin Humphries
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Publication number: 20220195513Abstract: A method for determining the sequence of a polynucleotide is described. The method comprises detecting in a sequencing reaction the incorporation of a first, second, third, or fourth nucleotide using first and second excitation wavelengths and a photodetector having a detection window comprising a range of wavelengths.Type: ApplicationFiled: December 17, 2021Publication date: June 23, 2022Applicant: Sumitomo Chemical Co, Ltd.Inventors: Jonathan Behrendt, Kiran Kamtekar, Martin Humphries
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Patent number: 11349086Abstract: A compound of formula (I) or (III) (Formulae (I), (III)) wherein: one Y is a substituent R1 bound directly to the fluorene unit of formula (I) by an sp3-hybridised carbon atom; the other Y is an aryl or heteroaryl group Ar1 that may be unsubstituted or substituted with one or more substituents; Ar2 is an arylene or heteroarylene group; R2 is a substituent; b is 0, 1, 2, 3 or 4; c is 0, 1, 2 or 3; and X is a group of formula (II): (Formula (II)) wherein Z is O or S; R3 independently in each occurrence is a substituent; each x is independently 0, 1, 2 or 3; and * is a bond to the fluorene unit of formula (I). The compounds may be used as host materials for phosphorescent dopants in organic light-emitting devices.Type: GrantFiled: February 20, 2017Date of Patent: May 31, 2022Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Kiran Kamtekar, William Tarran, Martin Humphries, Florence Bourcet
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Patent number: 11283030Abstract: A phosphorescent compound of formula (I): wherein: M is a transition metal; C1 is a carbon atom forming a metal-carbene bond with M; A is a saturated bridged bicyclic or saturated bridged tricyclic group consisting of one nitrogen atom and 6-12 carbon atoms; either: (i) X1 is a bridgehead carbon atom of the bridged bicyclic or bridged tricyclic group and X2 is NR1 wherein R1 is a substituent, or (ii) X1 is N and X2 is a bridgehead group of formula CR6 wherein R6 is H or a substituent; Ar1 is a C6-20 aromatic group or a 5-20 membered heteroaromatic group; L in each occurrence is independently a mono- or poly-dentate ligand other than a ligand of formula A-Ar1; x is at least 1; and y is 0 or a positive integer. The compound of formula (I) may be used as a blue light-emitting material in a white organic light-emitting device.Type: GrantFiled: July 13, 2018Date of Patent: March 22, 2022Assignee: Sumitomo Chemical Company LimitedInventors: James Lee, Martin Humphries, William Tarran, Nazrul Islam
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Publication number: 20220048937Abstract: A composition comprising a semiconducting host compound having a glass transition temperature (Tg) of less than 100° C., and a phosphorescent compound wherein the phosphorescent compound is a metal complex of formula (II): M is Ir (III) or Pt (II). p is at least 1. q is 0, 1 or 2. L is a bidentate ligand substituted with one or two groups X wherein each X independently comprises an aromatic or heteroaromatic group Ar5; the sum of the number of rings comprised in the one or more X groups of formula (II) is at least 12; and at least 75% of the mass of each X is made up of the mass of the aromatic or heteroaromatic ring atoms of Ar5. L2 is a bidentate ligand which is different from L1.Type: ApplicationFiled: December 12, 2019Publication date: February 17, 2022Applicant: Sumitomo Chemical Co., Ltd.Inventors: Martin Humphries, Kiran Kamtekar, William Tarran, Florence Bourcet, James Lee
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Patent number: 11214585Abstract: Light-Emitting Compound A composition comprising a light-emitting compound having a peak wavelength of at least 650 nm and a material comprising a group of formula (I): wherein Ar1, Ar2 and Ar3 in each occurrence are independently selected from a C6-20 aromatic group and a 6-20 membered heteroaromatic group of C and N ring atoms and at least one of Ar1, Ar2 and Ar3 is a 6-20 membered heteroaromatic group of C and N ring atoms; x, y and z are each independently at least 1; n, m and p are each independently 0 or a positive integer; and R1, R2 and R3 in each occurrence is independently a substituent or a single bond to a polymer chain, wherein the group of formula (I) has no more than 3 single bonds to a polymer chain. The composition may be used in the light-emitting layer of an infrared organic light-emitting device.Type: GrantFiled: December 14, 2016Date of Patent: January 4, 2022Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Nazrul Islam, Kazuei Ohuchi, Martin Humphries
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Patent number: 11136303Abstract: A compound of formula (I) wherein Z is a group of formula (II) and Core is selected from groups of formula (IIIa) or (IIIb) wherein X is S or O; R1 is a substituent; n is 0 or a positive integer; Ar1 independently in each occurrence is an arylene group; R2 is a substituent; R3 is a substituent; R4 is an arylene or heteroarylene group; Y is C or Si; a is 1, 2 or 3; b is 0 or a positive integer; and c is 0 or a positive integer. The compound of formula (I) may be used as a host for a light-emitting dopant in an organic light-emitting device.Type: GrantFiled: March 7, 2017Date of Patent: October 5, 2021Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Martin Humphries, William Tarran, Kiran Kamtekar, Philip Stackhouse, James Lee
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Patent number: 11081775Abstract: A deployable structure includes a plurality of interconnected elongated support members, deployed from a stowed state to an expanded state in which the support members are arranged in a ring. Each support member is provided with a connector (28) for longitudinal movement during deployment with respect to the support member. An actuating support member (27) has a drive member (50) for longitudinal movement with respect to the actuating support member, and an electromagnetic device arranged to drive the drive member in one direction with respect to the actuating support member. The drive member is connected to the connector by a lost motion connector, thus the connector is capable of moving in said one direction even if the drive member is not moved by the electromechanical device.Type: GrantFiled: January 30, 2018Date of Patent: August 3, 2021Assignee: OXFORD SPACE SYSTEMS LIMITEDInventors: Juan Reveles-Wilson, Vincent Fraux, Martin Humphries
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Publication number: 20210079296Abstract: A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.Type: ApplicationFiled: November 24, 2020Publication date: March 18, 2021Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
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Patent number: 10870796Abstract: A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.Type: GrantFiled: February 18, 2016Date of Patent: December 22, 2020Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
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Patent number: 10573817Abstract: A composition comprising a first material substituted with at least one group of formula (I) and a second material substituted with at least one group selected from groups of formulae (IIa) and (IIb): wherein: Sp1 and Sp2 are spacer groups; NB independently in each occurrence is a norbornene group that may be unsubstituted or substituted with one or more substituents; n1 and n2 are 0 or 1; m1 is 1 if n1 is 0 and m1 is at least 1 if n1 is 1; m2 is 1 if n2 is 0 and m2 is at least 1 if n2 is 1; Ar1 represents an aryl or heteroaryl group; R1 independently in each occurrence is H or a substituent; and * represents a point of attachment to the first or second material. The composition may be used to form a layer of an organic electronic device, for example the hole-transporting layer of an organic light-emitting device.Type: GrantFiled: July 8, 2015Date of Patent: February 25, 2020Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Jonathan Pillow, Martin Humphries, Ruth Pegington, Florence Bourcet, Yonek Hleba, Thomas Kugler, Sheena Zuberi
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Publication number: 20200006838Abstract: A deployable structure includes a plurality of interconnected elongated support members, deployed from a stowed state to an expanded state in which the support members are arranged in a ring. Each support member is provided with a connector (28) for longitudinal movement during deployment with respect to the support member. An actuating support member (27) has a drive member (50) for longitudinal movement with respect to the actuating support member, and an electromagnetic device arranged to drive the drive member in one direction with respect to the actuating support member. The drive member is connected to the connector by a lost motion connector, thus the connector is capable of moving in said one direction even if the drive member is not moved by the electromechanical device.Type: ApplicationFiled: January 30, 2018Publication date: January 2, 2020Applicant: Oxford Space Systems LimitedInventors: Juan REVELES-WILSON, Vincent FRAUX, Martin HUMPHRIES
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Patent number: 10434102Abstract: An OLED comprising a hole-transporting layer and light-emitting layer wherein the hole-transporting layer comprises a hole-transporting polymer wherein no more than 5% of the polystyrene equivalent polymer weight measured by gel permeation chromatography consists of chains with weight of less than 50,000.Type: GrantFiled: November 21, 2017Date of Patent: October 8, 2019Assignees: Sumitomo Chemical Company Limited, Cambridge Display Technology LimitedInventors: Ruth Pegington, Martin Humphries
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Patent number: 10403823Abstract: Polymer and Organic Light Emitting Device A polymer comprising a repeat unit of formula (I a), (I b) or (Ic): (Formulae (Ia), (Ib), (Ic)) wherein M is a metal; R is a backbone repeat group; n is 1 or 2; Sp is a spacer group; w is 0 or 1; L1 and L2 are mono- or bidentate co-coordinating groups; ---- represents a second metal to ligand bond in the case where L1 or L2 is a bidentate ligand and at least one of L1 and L2 is substituted with group of formula (II) (Formula (II)) wherein m is 0 or 1; each Ar1, Ar2 and Ar3 is aryl or heteroaryl. The polymer may be used as an emissive material in an organic light-emitting device.Type: GrantFiled: September 23, 2014Date of Patent: September 3, 2019Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Martin Humphries, Simon Foxon