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).

  • Publication number: 20220258849
    Abstract: A rib foot cleat for sealing around a stringer passing through a rib mouse hole in an aircraft assembly. The rib foot cleat has a body for attaching to a rib at a rib mouse hole and defines a cleat channel configured to be arranged over the stringer. The rib foot cleat also has an injection hole through the cleat body which is in fluid communication with the cleat channel, to allow sealant material to be injected through the injection hole in to the cleat channel for sealing around the stringer.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Inventors: Benjamin HUMPHRYS, Dave GIBBONS, Carl RICE, James POWIS, Martin CRIBB, David Nathaniel WILSON, Michael REILLY
  • Publication number: 20220195513
    Abstract: 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: Application
    Filed: December 17, 2021
    Publication date: June 23, 2022
    Applicant: Sumitomo Chemical Co, Ltd.
    Inventors: Jonathan Behrendt, Kiran Kamtekar, Martin Humphries
  • Patent number: 11349086
    Abstract: 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: Grant
    Filed: February 20, 2017
    Date of Patent: May 31, 2022
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Kiran Kamtekar, William Tarran, Martin Humphries, Florence Bourcet
  • Patent number: 11283030
    Abstract: 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: Grant
    Filed: July 13, 2018
    Date of Patent: March 22, 2022
    Assignee: Sumitomo Chemical Company Limited
    Inventors: James Lee, Martin Humphries, William Tarran, Nazrul Islam
  • Publication number: 20220048937
    Abstract: 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: Application
    Filed: December 12, 2019
    Publication date: February 17, 2022
    Applicant: Sumitomo Chemical Co., Ltd.
    Inventors: Martin Humphries, Kiran Kamtekar, William Tarran, Florence Bourcet, James Lee
  • Patent number: 11214585
    Abstract: 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: Grant
    Filed: December 14, 2016
    Date of Patent: January 4, 2022
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Nazrul Islam, Kazuei Ohuchi, Martin Humphries
  • Patent number: 11136303
    Abstract: 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: Grant
    Filed: March 7, 2017
    Date of Patent: October 5, 2021
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martin Humphries, William Tarran, Kiran Kamtekar, Philip Stackhouse, James Lee
  • Patent number: 11081775
    Abstract: 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: Grant
    Filed: January 30, 2018
    Date of Patent: August 3, 2021
    Assignee: OXFORD SPACE SYSTEMS LIMITED
    Inventors: Juan Reveles-Wilson, Vincent Fraux, Martin Humphries
  • Publication number: 20210079296
    Abstract: 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: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
  • Patent number: 10870796
    Abstract: 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: Grant
    Filed: February 18, 2016
    Date of Patent: December 22, 2020
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
  • Patent number: 10573817
    Abstract: 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: Grant
    Filed: July 8, 2015
    Date of Patent: February 25, 2020
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Jonathan Pillow, Martin Humphries, Ruth Pegington, Florence Bourcet, Yonek Hleba, Thomas Kugler, Sheena Zuberi
  • Publication number: 20200006838
    Abstract: 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: Application
    Filed: January 30, 2018
    Publication date: January 2, 2020
    Applicant: Oxford Space Systems Limited
    Inventors: Juan REVELES-WILSON, Vincent FRAUX, Martin HUMPHRIES
  • Patent number: 10434102
    Abstract: 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: Grant
    Filed: November 21, 2017
    Date of Patent: October 8, 2019
    Assignees: Sumitomo Chemical Company Limited, Cambridge Display Technology Limited
    Inventors: Ruth Pegington, Martin Humphries
  • Patent number: 10403823
    Abstract: 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: Grant
    Filed: September 23, 2014
    Date of Patent: September 3, 2019
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martin Humphries, Simon Foxon
  • Patent number: 10270037
    Abstract: A method of forming a crosslinked polymer comprising the step of reacting a crosslinkable group in the presence of a polymer, wherein: the crosslinkable group comprises a core unit substituted with at least one crosslinkable unit of formula (I): the crosslinkable group is bound to the polymer or is a crosslinkable compound mixed with the polymer; Ar is aryl or heteroaryl which may be unsubstituted or substituted with one or more substituents independently selected from monovalent substituents and a divalent linking group linking the unit of formula (I) to the core unit; and R is independently in each occurrence H, a monovalent substituent or a divalent linking group linking the unit of formula (I) to the core unit, with the proviso that at least one R is not H.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 23, 2019
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martin Humphries, Florence Bourcet, Sheena Zuberi
  • Publication number: 20190084954
    Abstract: 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: Application
    Filed: March 7, 2017
    Publication date: March 21, 2019
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martin Humphries, William Tarran, Kiran Kamtekar, Philip Stackhouse, James Lee
  • Patent number: 10205114
    Abstract: A composition suitable for use in an organic light-emitting layer (103) of an organic light-emitting device having an anode (101) and a cathode (105), the composition comprising a fluorescent light-emitting material, a first triplet-accepting material and a second triplet-accepting material that is different from the first triplet-accepting material. The fluorescent light-emitting material may be a repeat unit of a light-emitting polymer, and the first and second triplet-accepting materials may independently be repeat units of the light-emitting polymer or may be mixed with the fluorescent light-emitting material.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: February 12, 2019
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martina Pintani, Ian Johnson, Francesco Di Stasio, Martin Humphries, Jonathan Pillow, Ruth Pegington, James Morey
  • Publication number: 20190016739
    Abstract: 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: Application
    Filed: July 13, 2018
    Publication date: January 17, 2019
    Applicant: Sumitomo Chemical Company Limited
    Inventors: James Lee, Martin Humphries, William Tarran, Nazrul Islam
  • Publication number: 20190002629
    Abstract: 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: Application
    Filed: December 14, 2016
    Publication date: January 3, 2019
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Nazrul Islam, Kazuei Ohuchi, Martin Humphries
  • Publication number: 20190002488
    Abstract: A compound of formula (I): wherein M is a transition metal; Ar1 is a 5 or 6 membered heteroaryl ring or a polycyclic heteroaromatic group; Ar2 is a polycyclic group comprising two or more rings selected from aromatic and heteroaromatic rings; Ar1 and Ar2 may be linked by a direct bond or divalent linking group; L is a ligand; x is at least 1; a, b and y are each 0 or a positive integer; R1, R2 and R3 are each independently a substituent; and (i) Ar1 is a polycyclic heteroaromatic group; or (ii) Ar1 is a 5 or 6 membered heteroaryl ring and Ar2 is a polycyclic group comprising at least 3 rings selected from aromatic and heteroaromatic rings. The compound may be used as an infra-red emitting material of an organic light-emitting device.
    Type: Application
    Filed: December 14, 2016
    Publication date: January 3, 2019
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martin Humphries, William Tarran, Nazrul Islam, Simon King