Patents by Inventor Owain Llyr Parri

Owain Llyr Parri 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).

  • Patent number: 11851600
    Abstract: An optical component and a electro optical devices comprising the optical component. Further, a cholesteric polymerizable liquid crystalline (LC) material, preferably utilized in an optical component in accordance with the present invention, a process for the production of the cholesteric polymerizable LC material, a process to convert the cholesteric polymerizable material into a polymer film, a polymer film obtainable from the cholesteric polymerizable LC material, and the use of the polymer films in an optical component or device comprising a polymer film.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: December 26, 2023
    Assignee: Merck Patent GmbH
    Inventors: Stephen Mulcahy, Owain Llyr Parri
  • Publication number: 20230340329
    Abstract: The invention relates to a polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and one or more compounds of formula I, wherein the individual radicals have one of the meaning as given in the claims. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal and UV stability obtainable from a corresponding polymerizable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.
    Type: Application
    Filed: September 23, 2021
    Publication date: October 26, 2023
    Applicant: Merck Patent GmbH
    Inventors: Stephen MULCAHY, Owain Llyr PARRI, Sarabjot KAUR
  • Publication number: 20230313043
    Abstract: The present invention relates to an optical component comprising a liquid crystal (LC) medium, operable in the infrared region of the electromagnetic spectrum. The invention further relates to the use of said LC medium in the infrared (IR) region and to devices comprising said optical component. The present invention further relates to an LC medium comprising one or more compounds of the formulae I, II, and III in which the occurring groups and parameters have the meanings defined in claim 1, and preferably one or more compounds of the formula RO in which the occurring groups and parameters have the meanings defined in claim 2.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 5, 2023
    Applicant: Merck Patent GmbH
    Inventors: Izumi SAITO, Owain Llyr PARRI, Andreas TAUGERBECK, Carsten FRITZSCH, Dagmar KLASS
  • Patent number: 11697769
    Abstract: A polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and a block copolymer that comprises at least one polyfluorooxetane block bonded to a polyether block, said polyfluorooxetane block having a repeating unit of the formula Further, a method for its preparation, a polymer film obtainable from a corresponding polymerizable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: July 11, 2023
    Assignee: Merck Patent GmbH
    Inventors: Stephen Mulcahy, Owain Llyr Parri, Sarabjot Kaur
  • Publication number: 20220177782
    Abstract: A polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and a block copolymer that comprises at least one polyfluorooxetane block bonded to a polyether block, said polyfluorooxetane block having a repeating unit of the formula Further, a method for its preparation, a polymer film obtainable from a corresponding polymerizable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.
    Type: Application
    Filed: December 3, 2021
    Publication date: June 9, 2022
    Applicant: Merck Patent GmbH
    Inventors: Stephen Mulcahy, Owain Llyr Parri, Sarabjot Kaur
  • Publication number: 20220162505
    Abstract: An optical component and a electro optical devices comprising the optical component. Further, a cholesteric polymerizable liquid crystalline (LC) material, preferably utilized in an optical component in accordance with the present invention, a process for the production of the cholesteric polymerizable LC material, a process to convert the cholesteric polymerizable material into a polymer film, a polymer film obtainable from the cholesteric polymerizable LC material, and the use of the polymer films in an optical component or device comprising a polymer film.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 26, 2022
    Applicant: Merck Patent GmbH
    Inventors: Stephen Mulcahy, Owain Llyr Parri
  • Patent number: 10745620
    Abstract: The invention relates to a reactive mesogen (RM) formulation comprising a conductive additive, to a polymer film obtained thereof, and the use of the RM formulation and polymer film in optical or electrooptical components or devices, like optical retardation films for liquid crystal displays (LCDs).
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 18, 2020
    Assignee: Merck Patent GmbH
    Inventors: Graham Smith, Owain Llyr Parri, Vicki Cook, Georg Bernatz, David Wilkes, Jonathan Henry Wilson, Mark James, Philip Edward May
  • 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
  • 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: 10416518
    Abstract: The invention provides a light modulation element comprising a flexoelectric polarisable liquid-crystalline medium, characterized in that the switching from a boundary state A to a boundary state B comprises a combination of a distinct flexoelectric switching regime and a distinct dielectric switching regime upon application of an electric field. Furthermore, the present invention relates to the use of such a light modulation element in an electro-optical device, i.e. an LCD display device, and electrooptical devices comprising the light modulation element according to the present invention. Moreover, the invention relates to a method of production of the light modulation element according to the present invention.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: September 17, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Rachel Tuffin, Rebecca Proctor, Simon Siemianowski, Karl Skjonnemand, Owain Llyr Parri, Geoffrey Luckhurst
  • 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: 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
  • Patent number: 10100253
    Abstract: The invention relates to a method of preparing a polymer film and to the use of such polymer film as in liquid crystal displays (LCDs) or other optical or electrooptical devices, for decorative or security applications, as alignment layer or optical retardation film.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: October 16, 2018
    Assignee: Merck Patent GmbH
    Inventors: Iain Gardiner, Owain Llyr Parri, Tara Perrett, Joseph Sargent, Jack Bradford, Sarah Whitehouse
  • 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
  • Patent number: 9914876
    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: June 14, 2013
    Date of Patent: March 13, 2018
    Assignee: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton, Benjamin Snow, Mark John Goulding, Nathan Smith
  • Publication number: 20180022996
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12 and CG1 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: November 23, 2015
    Publication date: January 25, 2018
    Applicant: Merck Patent GmbH
    Inventors: Kevin ADLEM, Hassan ARASI, Owain Llyr PARRI, Rachel TUFFIN
  • Publication number: 20170369780
    Abstract: The invention relates to bimesogenic compounds of formula I 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: October 23, 2015
    Publication date: December 28, 2017
    Applicant: Merck Patent GmbH
    Inventors: Kevin ADLEM, Owain Llyr PARRI, Rachel TUFFIN, Hassan ARASI, Thomas MACGREGOR