Patents by Inventor Kevin Adlem

Kevin Adlem 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: 20200362245
    Abstract: The invention relates to a polymerisable LC medium with flat, negative or positive optical dispersion, a polymer film with flat, negative or positive optical dispersion obtainable from such a material, and the use of the polymerisable LC medium and polymer film in optical, electro optical, electronic, semiconducting or luminescent components or devices.
    Type: Application
    Filed: August 13, 2018
    Publication date: November 19, 2020
    Applicant: Merck Patent GmbH
    Inventors: Eduardo BELTRAN GRACIA, Kevin ADLEM, Naomi WEARE, Hassan NOROUZI-ARASI
  • Publication number: 20200255740
    Abstract: The invention relates to a liquid crystal mixture characterised in that it comprises one or more photoreactive mesogens of formula I wherein the parameters and groups occurring are defined as indicated in claim 1, to a process for the fabrication of liquid crystal displays using these liquid crystal mixtures and to a liquid crystal display obtainable by this process. The invention further relates to new compounds of formula I.
    Type: Application
    Filed: December 2, 2016
    Publication date: August 13, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Alex DAVIS, Joseph SARGENT, Ian Charles SAGE, Edward PLUMMER, Izumi SAITO, Rocco FORTTE, Helga HAAS, Lars LIETZAU
  • Patent number: 10711196
    Abstract: Bimesogenic compounds of formula I and their use in liquid crystal media and in flexoelectric liquid crystal devices.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: July 14, 2020
    Assignee: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Mariam Namutebi
  • Publication number: 20200199453
    Abstract: The invention relates to a polymerisable LC material comprising at least one di- or multireactive mesogenic compound of formula T, RT1-(AT1ZT1)m1-GT1-(ZT2-AT2)m2-RT2??T and at least one compound of formula CO-1, wherein the parameter are RT1, AT1, ZT1, m1, GT1, ZT2, AT2, m2, RT2, L1 to L3, R1 and R2, and n are defined as given in claim 1. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.
    Type: Application
    Filed: August 13, 2018
    Publication date: June 25, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Eduardo BELTRAN GRACIA, Kevin ADLEM, Naomi WEARE, Hassan NOROUZI-ARASI
  • Patent number: 10626330
    Abstract: The invention relates to a method of manufacturing a liquid crystal display device wherein a liquid crystal mixture having positive dielectric anisotropy or negative dielectric anisotropy is interposed between a first substrate and a second substrate, the liquid crystal mixture comprising liquid crystal molecules, a self assembling photoalignment agent, a polymerisable compound, and wherein said LC mixture is photoaligned by irradiation with linearly polarised ultraviolet light and then cured by irradiation with ultraviolet light.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: April 21, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Alex Davis, Rachel Tuffin, Mark Goebel, Graziano Archetti, Rocco Fortte, Karl Skjonnemand, Ian Charles Sage
  • Patent number: 10465115
    Abstract: The invention relates to cinnamic acid derivatives of formula S wherein the radicals have the meaning indicated in claim 1, to a process for their preparation and their use as self assembling photoalignment agent in liquid crystal mixtures. The invention further relates to a process for the fabrication of a liquid crystal (LC) display device with homogeneous alignment by photoaligning a liquid crystal mixture with positive or negative dielectric anisotropy comprising one or more compounds of formula S and optionally a polymerizable compound, to the liquid crystal mixture comprising the self assembling photoaligning agent and optionally the polymerizable compound and to the LC display produced by said process.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 5, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Alex Davis, Hassan Arasi, Joseph Sargent, Rachel Tuffin, Ian Charles Sage
  • Patent number: 10450508
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula l in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: October 22, 2019
    Assignee: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Hassan Arasi, Benjamin Snow
  • Patent number: 10435628
    Abstract: The invention relates to a polymerizable LC medium with negative optical dispersion, a polymer film with negative optical dispersion obtainable from such a medium, and the use of the polymerizable LC medium and polymer film in optical, electro optical, electronic, semiconducting or luminescent components or devices.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: October 8, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Joseph Sargent, Owain Llyr Parri, Kevin Adlem, Hassan Arasi
  • Patent number: 10392561
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: August 27, 2019
    Assignee: Merck Patent GmbH
    Inventors: Detlef Pauluth, Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Hassan Arasi, Patricia Eileen Saxton
  • Patent number: 10343982
    Abstract: Disclosed are compounds of formula I the use of compounds of formula I in liquid crystal media and in particular to flexoelectric liquid crystal devices containing the liquid crystal media.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: July 9, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Owain Llyr Parri
  • Publication number: 20190177617
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG1, MG2, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and in particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: May 11, 2017
    Publication date: June 13, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Patricia SAXTON, Hassan ARASI
  • Publication number: 20190127642
    Abstract: The present invention relates to compositions for nanoencapsulation which comprise the mesogenic medium as set forth in claim 1, one or more polymerizable compounds and one or more surfactants, to nanocapsules containing the mesogenic medium and to their use in electro-optical devices.
    Type: Application
    Filed: April 10, 2017
    Publication date: May 2, 2019
    Applicant: Merck Patent GmbH
    Inventors: Kevin ADLEM, Patricia SAXTON, Rachel TUFFIN, Benjamin SNOW, Mariam NAMUTEBI, James ALLEN, Vicki COOK, Hassan ARASI, Mark GOEBEL
  • Publication number: 20190010400
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: September 13, 2018
    Publication date: January 10, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Owain Llyr PARRI, Rachel TUFFIN, Patricia Eileen SAXTON, Mariam NAMUTEBI, Benjamin SNOW
  • Publication number: 20190002763
    Abstract: The invention relates to a method of manufacturing a liquid crystal display device wherein a liquid crystal mixture having positive dielectric anisotropy or negative dielectric anisotropy is interposed between a first substrate and a second substrate, the liquid crystal mixture comprising liquid crystal molecules, a self assembling photoalignment agent, a polymerisable compound, and wherein said LC mixture is photoaligned by irradiation with linearly polarised ultraviolet light and then cured by irradiation with ultraviolet light.
    Type: Application
    Filed: November 18, 2016
    Publication date: January 3, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Alex DAVIS, Rachel TUFFIN, Mark GOEBEL, Graziano ARCHETTI, Rocco FORTTE, Karl SKJONNEMAND, Ian Charles SAGE
  • Publication number: 20180371318
    Abstract: The invention relates to cinnamic acid derivatives of formula S wherein the radicals have the meaning indicated in claim 1, to a process for their preparation and their use as self assembling photoalignment agent in liquid crystal mixtures. The invention further relates to a process for the fabrication of a liquid crystal (LC) display device with homogeneous alignment by photoaligning a liquid crystal mixture with positive or negative dielectric anisotropy comprising one or more compounds of formula S and optionally a polymerisable compound, to the liquid crystal mixture comprising the self assembling photoaligning agent and optionally the polymerisable compound and to the LC display produced by said process.
    Type: Application
    Filed: November 18, 2016
    Publication date: December 27, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Alex DAVIES, Hassan ARASI, Joseph SARGENT, Rachel TUFFIN, Ian Charles SAGE
  • Patent number: 10138420
    Abstract: The present invention relates to liquid crystal media comprising polymerizable mesogenic compounds with a bent shape, and to electro-optical displays comprising these media as light modulation media. In particular the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the liquid crystal modulation media are in an optically isotropic phase, preferably in a blue phase.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: November 27, 2018
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Norihiko Tanaka, Kevin Adlem, Matthias Bremer, David Wilkes, Ming-Chou Wu
  • Patent number: 10087370
    Abstract: The invention relates to mesogenic media comprising a first component, component A, consisting of bimesogenic compounds selected from the group of compounds of formulae A-I to A-III a second component, component B, consisting of nematogenic compounds, preferably selected from the group of compounds of formulae B-I to B-III and a third component, component C, consisting of one or more chiral molecules, wherein the parameters have the meaning given in claim 1, to the use of mesogenic media in flexoelectric liquid crystal devices and to those devices comprising a liquid crystal medium according to the present invention.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: October 2, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Rachel Tuffin, Benjamin Snow, Owain Llyr Parri, Simon Siemianowski, Rebecca Proctor, Kevin Adlem
  • Patent number: 10048420
    Abstract: The invention relates to reactive mesogens (RMs) comprising a terphenyl group, to mixtures and formulations comprising them, to polymers obtained form such RMs and RM mixtures, and the use of the RMs, RM mixtures and polymers in optical or electrooptical components or devices, like optical retardation films for liquid crystal displays (LCDs).
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 14, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Owain Llyr Parri, Graham Smith, Patricia Eileen Saxton, Mariam Namutebi, Vicki Cook, Joseph Sargent
  • Publication number: 20180195004
    Abstract: The invention relates to compounds of formula I, (R11O)sSi(CH3)3-s-Sp11-NR12-Sp12-C(OR13)tH3-t ??I wherein the parameter are defined in claim 1, a method for their preparation, to the use of compounds of formula I as adhesion promotors in polymerisable liquid crystal (LC) material, to a polymer film comprising a polymerised material with improved adhesion to a substrate, to methods for preparing such a polymer film, to a corresponding polymerisable LC material used for the preparation of such a polymer film, and to the use of the polymer film and said polymerisable LC material for optical, electrooptical, decorative or security uses and devices.
    Type: Application
    Filed: June 6, 2016
    Publication date: July 12, 2018
    Applicant: Merck Patent GmbH
    Inventors: Kevin ADLEM, Iain GARDINER, Jack BRADFORD, Stephen MULCAHY, James ALLEN
  • Publication number: 20180148648
    Abstract: The invention relates to lateral fluorinated reactive mesogens (RMs) comprising a tolane group, to mixtures and formulations comprising them, to polymers obtained form such RMs and RM mixtures, and the use of the RMs, RM mixtures and polymers in optical or electrooptical components or devices, like optical films for liquid crystal displays (LCDs).
    Type: Application
    Filed: May 2, 2016
    Publication date: May 31, 2018
    Applicant: Merck Patent GmbH
    Inventors: Graham SMITH, Mark GOEBEL, Kevin ADLEM, Sarah WHITEHOUSE, Tara PERRETT