Patents by Inventor Annette Steudel

Annette Steudel 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: 20230217677
    Abstract: The present invention relates to an organic electronic device comprising a substrate (110), an anode layer (120), a cathode layer (190), at least one first emission layer (150), and a hole injection layer (130), wherein • - the hole injection layer comprises a metal complex, wherein • - the metal complex comprises at least one electropositive metal atom having an electro-negativity value according to Allen of less than 2.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 6, 2023
    Inventors: Moo Jin Park, Thomas Rosenow, Regina Luschtinetz, Vladimir Uvarov, Jens Angermann, Kai Gilge, Steffen Runge, Annette Steudel
  • Publication number: 20230126203
    Abstract: The present invention relates to an organic electronic device comprising an anode layer, a cathode layer, at least one emission layer (EML) and at least one hole injection layer (HIL), wherein the hole injection layer is arranged between the anode layer and the at least one emission layer.
    Type: Application
    Filed: January 27, 2021
    Publication date: April 27, 2023
    Inventors: Thomas Rosenow, Vygintas Jankus, Markus Hummert, Moo Jin Park, Vladimir Uvarov, Annette Steudel
  • Publication number: 20230131369
    Abstract: The present invention relates to an organic electronic device comprising an anode layer, a cathode layer and a hole injection layer, wherein the hole injection layer is arranged between the anode layer and the cathode layer and wherein the hole injection layer comprises a hole transport compound and a metal complex.
    Type: Application
    Filed: January 27, 2021
    Publication date: April 27, 2023
    Inventors: Thomas Rosenow, Vygintas Jankus, Markus Hummert, Moo Jin Park, Vladimir Uvarov, Annette Steudel
  • Patent number: 11362285
    Abstract: The present invention relates to a semiconducting material comprising an electron transport matrix compound comprising at least one electron transporting structural moiety and at least one polar structural moiety; a matrix compound and electronic device utilizing the semiconducting material.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: June 14, 2022
    Assignee: Novaled GmbH
    Inventors: Julien Frey, Annette Steudel
  • Publication number: 20200280002
    Abstract: The present invention relates to a semiconducting material comprising an electron transport matrix compound comprising at least one electron transporting structural moiety and at least one polar structural moiety; a matrix compound and electronic device utilizing the semiconducting material.
    Type: Application
    Filed: May 14, 2020
    Publication date: September 3, 2020
    Inventors: Julien Frey, Annette Steudel
  • Publication number: 20200161567
    Abstract: A phosphorescent metal complex comprising at least one ligand substituted with a group of formula (IIIa), (IIIb) or (IIIc): wherein Y is selected from O, S, a substituted carbon atom; and a substituted silicon atom; Z in each occurrence is independently selected from N and P; R4 independently in each occurrence is a substituent; R5 independently in each occurrence is H or a substituent; x independently in each occurrence is 0, 1, 2 or 3; y and z in each occurrence are independently 0, 1, 2, 3 or 4. The group of formula (IIIa), (Mb) or (IIIc) may be directly bound to the ligand or spaced apart therefrom by a spacer group. The phosphorescent metal complex may be used as a light-emitting material in an organic light-emitting device.
    Type: Application
    Filed: September 25, 2015
    Publication date: May 21, 2020
    Inventors: Annette Steudel, Florence Bourcet
  • Patent number: 10658599
    Abstract: The present invention relates to a semiconducting material comprising an electron transport matrix compound comprising at least one electron transporting structural moiety and at least one polar structural moiety; a matrix compound and electronic device utilizing the semiconducting material.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: May 19, 2020
    Assignee: Novaled GmbH
    Inventors: Julien Frey, Annette Steudel
  • Publication number: 20180342684
    Abstract: A phosphorescent metal complex comprising at least one ligand substituted with a group of formula (IIIa), (IIIb) or (IIIc): wherein Y is selected from O, S, a substituted carbon atom; and a substituted silicon atom; Z in each occurrence is independently selected from N and P; R4 independently in each occurrence is a substituent; R5 independently in each occurrence is H or a substituent; x independently in each occurrence is 0, 1, 2 or 3; y and z in each occurrence are independently 0, 1, 2, 3 or 4. The group of formula (IIIa), (Mb) or (IIIc) may be directly bound to the ligand or spaced apart therefrom by a spacer group. The phosphorescent metal complex may be used as a light-emitting material in an organic light-emitting device.
    Type: Application
    Filed: September 25, 2015
    Publication date: November 29, 2018
    Inventors: Annette Steudel, Florence Bourcet
  • Patent number: 9963550
    Abstract: A polymer comprising repeat units of formula (I) and repeat units of formula (II): wherein: Ar1 and Ar2 independently in each occurrence represents an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents; Ar3 represents a fused aromatic or heteroaromatic group that may be unsubstituted or substituted with one or more substituents; R is a substituent; m is 0, 1 or 2 with the proviso that Ar2 is not phenanthrene if m is 1; each R9 is independently a substituent, and the two groups R9 may be linked to form a ring; each z is independently 0, 1 or 2; and each R10 is independently a substituent. The polymer may be used in an organic light-emitting device.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: May 8, 2018
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Kiran Kamtekar, Annette Steudel, Martin Humphries
  • Publication number: 20180076397
    Abstract: The present invention relates to a semiconducting material comprising an electron transport matrix compound comprising at least one electron transporting structural moiety and at least one polar structural moiety; a matrix compound and electronic device utilizing the semiconducting material.
    Type: Application
    Filed: February 18, 2016
    Publication date: March 15, 2018
    Inventors: Julien Frey, Annette Steudel
  • Patent number: 9873831
    Abstract: A co-polymer comprising a repeat unit of formula (I): wherein Ar1, Ar2 and Ar3 each independently represent an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents, the copolymer further comprising a conjugation-breaking repeat unit that does not provide any conjugation path between repeat units adjacent to the conjugation-breaking repeat unit. The copolymer may be used as a host material of a phosphorescent material in a light-emitting layer of an organic light-emitting device.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: January 23, 2018
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Annette Steudel, Kiran Kamtekar
  • Patent number: 9812644
    Abstract: A polymer comprising repeat units of formula (I) and one or more co-repeat units: Ar1 in each occurrence independently represent an aryl or heteroaryl group; R1 and R2 in each occurrence independently represent a substituent; p independently in each occurrence is 0 or a positive integer; Sp represents a spacer group comprising at least one carbon or silicon atom spacing the two groups Ar1 apart; and each group Ar1 is bound to an aromatic group of a co-repeat unit. The polymer may form a charge-transporting layer of an OLED or may be a host material used with a luminescent dopant in a light-emitting layer of an OLED.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: November 7, 2017
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Kiran Kamtekar, Annette Steudel
  • Publication number: 20170309837
    Abstract: A composition comprising a phosphorescent compound of formula (I) and a polymer comprising a repeat unit of formula (II) Ar1 is an aryl or heteroaryl group. R2 is a substituent. A is independently in each occurrence N or CR3 wherein R3 is H or a substituent. M is a transition metal or metal ion. x is a positive integer of at least 1. y is 0 or a positive integer. L1 is a mono- or polydentate ligand. R1 is a substituent. z is 0 or a positive integer. X is O or S. The phosphorescent compound of formula (I) may be mixed with the polymer or may be covalently bound thereto. The composition may be used in the light-emitting layer of an organic light-emitting device.
    Type: Application
    Filed: November 28, 2014
    Publication date: October 26, 2017
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Florence Bourcet, Annette Steudel, Richard J Wilson
  • Publication number: 20170054079
    Abstract: The present invention relates to processes for the preparation of iodinated compounds of formula (I): (Formula (I)) wherein R1 is the same or different in each occurrence and is a substituent; m independently in each occurrence is 0, 1, 2 or 3; and X independently in each occurrence is NR2, PR2, —CR22—, —SiR22, O or S wherein R2 is the same or different in each occurrence and is a substituent.
    Type: Application
    Filed: March 30, 2015
    Publication date: February 23, 2017
    Inventors: Florence Bourcet, Annette Steudel
  • Patent number: 9559307
    Abstract: A composition comprising a polymer and a phosphorescent material wherein the polymer comprises repeat units of formula (I): wherein A is a heteroaryl group containing a nitrogen atom, and A may be unusubstituted or substituted with one or more substituents; R1 in each occurrence is independently a substituent; and n is 0, 1, 2, 3 or 4.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: January 31, 2017
    Assignees: Cambridge Display Technology, Ltd., Sumitomo Chemical Company Limited
    Inventors: Annette Steudel, Florence Bourcet, Kiran Kamtekar
  • Publication number: 20150376495
    Abstract: A co-polymer comprising a repeat unit of formula (I): wherein Ar1, Ar2 and Ar3 each independently represent an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents, the copolymer further comprising a conjugation-breaking repeat unit that does not provide any conjugation path between repeat units adjacent to the conjugation-breaking repeat unit. The copolymer may be used as a host material of a phosphorescent material in a light-emitting layer of an organic light-emitting device.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 31, 2015
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Annette Steudel, Kiran Kamtekar
  • Patent number: 9159929
    Abstract: A monomer for use in manufacturing a conjugated polymer, the monomer having a structure as shown formula (2): Ar1, Ar2 and Ar3 are independently selected from optionally substituted aryl or heteroaryl, X1 and X3 both independently comprise a leaving group capable of participating in polymerization and Z represents a direct bond or an optionally substituted bridging atom.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: October 13, 2015
    Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CDT OXFORD LIMITED
    Inventors: Mark Levence Leadbeater, Sophie Heidenhain, Annette Steudel, Daniel Hicks
  • Publication number: 20150274890
    Abstract: A polymer comprising repeat units of formula (I) and repeat units of formula (II): wherein: Ar1 and Ar2 independently in each occurrence represents an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents; Ar3 represents a fused aromatic or heteroaromatic group that may be unsubstituted or substituted with one or more substituents; R is a substituent; m is 0, 1 or 2 with the proviso that Ar2 is not phenanthrene if m is 1; each R9 is independently a substituent, and the two groups R9 may be linked to form a ring; each z is independently 0, 1 or 2; and each R10 is independently a substituent. The polymer may be used in an organic light-emitting device.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 1, 2015
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Co., Ltd.
    Inventors: Kiran Kamtekar, Annette Steudel, Martin Humphries
  • Publication number: 20150171351
    Abstract: A compound of formula (I): wherein R1 in each occurrence is independently H or a substituent; R2 in each occurrence is independently a substituent; p in each occurrence is 0, 1, 2, 3 or 4 and Y is a ligand, with the proviso that at least one R1 is a substituent or at least one p is at least 1.
    Type: Application
    Filed: July 9, 2013
    Publication date: June 18, 2015
    Inventors: Annette Steudel, Valery Kozhevnikov
  • Publication number: 20150162551
    Abstract: A phosphorescent compound of formula (I): wherein: M is a transition metal; L in each occurrence is independently a mono- or poly-dentate ligand; R8, R9, R10 and R11 are each independently H or a substituent; D1 and D2 are each independently a dendron; x is at least 1; y is 0 or a positive integer; z1 and z2 are each independently 0 or a positive integer; and n1 and n2 are each independently 0 or 1 with the proviso that at least one of n1 and n2 is 1. The compound may be a phosphorescent compound of an organic light-emitting device.
    Type: Application
    Filed: November 21, 2014
    Publication date: June 11, 2015
    Applicants: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventor: Annette Steudel