Patents by Inventor Simon Siemianowski

Simon Siemianowski 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: 11939511
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: March 26, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Lars Lietzau, Simon Siemianowski, Izumi Saito
  • Patent number: 11905450
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: February 20, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Lars Lietzau, Simon Siemianowski, Izumi Saito, Rocco Fortte
  • Publication number: 20230413662
    Abstract: The present application relates to compounds of the formula (I) or (II), to processes for preparing such compounds, and to electronic devices comprising one or more such compounds, and to the use of such compounds in electronic devices.
    Type: Application
    Filed: August 24, 2021
    Publication date: December 21, 2023
    Inventors: Elvira MONTENEGRO, Teresa MUJICA-FERNAUD, Simon SIEMIANOWSKI
  • Publication number: 20230225196
    Abstract: The present application relates to materials for use in electronic devices, to processes for preparing the materials, and to electronic devices containing the materials.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 13, 2023
    Inventors: Jens ENGELHART, Elvira MONTENEGRO, Simon SIEMIANOWSKI
  • Publication number: 20230105959
    Abstract: The invention relates to a liquid crystal device comprising at least two opposing transparent substrates, at least one liquid crystal switching layer sandwiched between said opposing substrates comprising one or more polymerised photoreactive mesogens of formula I, R11-Sp11-X11[-A-Z]o-A11-CY11?CY12[—C?O]x[—O]y-A[-Z-A]p—X21-Sp21-R21??I wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o, p, x and y have one of the meanings as given in claim 1, and one or more nematogenic compounds, an electrode structure provided on one or both of the opposing substrates, wherein one or more of said substrates are additionally provided with an optical grating or a lens structure adjacent to the LC switching layer. The invention is further related to a method of production of said liquid crystal device, to the use of said Liquid Crystal device in various types of optical and electro-optical devices, and to electro-optical devices comprising the liquid crystal device.
    Type: Application
    Filed: February 10, 2021
    Publication date: April 6, 2023
    Applicant: Merck Patent GmbH
    Inventors: Benjamin SNOW, Simon SIEMIANOWSKI, Izumi SAITO, Konstantin SCHNEIDER
  • Publication number: 20230068853
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: December 9, 2019
    Publication date: March 2, 2023
    Applicant: Merck Patent GmbH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI
  • Publication number: 20220380672
    Abstract: The invention relates to liquid crystal mixtures comprising a photoalignment component A) comprising one or more photoreactive mesogens of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o, and p have one of the meanings as given in claim 1, a liquid-crystalline component B), comprising one or more nematogenic compounds, and a polymerizable component C) comprising one or more polymerizable compounds of formula P, Pa-Spa-Pb??P wherein Pa, Pb and Spa have one of the meanings as given in claim 1. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to a LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 1, 2022
    Applicant: Merck Patent GmbH
    Inventors: Simon SIEMIANOWSKI, Helmut HAENSEL, Nils GREINERT, Julia SPRANG, Martin HEHNER
  • Publication number: 20220380673
    Abstract: Liquid crystal mixtures containing a photoalignment component A) containing a photoreactive mesogen of formula I, a liquid-crystalline component B) containing one or more nematogenic compounds, and a polymerizable component C) containing one or more polymerizable compounds of formula P, Pa-Spa-(Ap)n2-Spb-Pb??P and a method of producing such LC media, the use of such media in LC devices, and LC devices containing such a LC medium, and further a process for the fabrication of such liquid crystal displays and the use of the liquid crystal mixtures for the fabrication of such liquid crystal display.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 1, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Simon SIEMIANOWSKI, Helmut HAENSEL, Kristin MUELLER, Julia SPRANG, Izumi SAITO, Qiong TONG
  • Publication number: 20220251448
    Abstract: A compound of formula I, Further, a method of production of a compound of formula I, the use of said compounds in LC media, and LC media comprising one or more compounds of formula I. Further, a method of production of such LC media, the use of such media in LC devices, and a LC device comprising a LC medium according to the present invention. Also, a process for the fabrication of such a liquid crystal display and the use of the liquid crystal mixtures according to the invention for the fabrication of such a liquid crystal display.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 11, 2022
    Applicant: Merck Patent GmbH
    Inventors: Lars Lietzau, Simon Siemianowski
  • Patent number: 11352560
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 7, 2022
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Simon Siemianowski, Izumi Saito
  • Patent number: 11353751
    Abstract: A double layer liquid crystal device comprises a first and a second layer with orthogonal or crossed alignment of the liquid crystal phase of the two layers, in which the first and second layer have first and second alignment aids comprised of a polymerized or polymerizable molecular compound. The layers are aligned by UV photoalignment and vertical self-alignment by the aid of suitable additives.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: June 7, 2022
    Assignee: Merck Patent GmbH
    Inventors: Joseph Sargent, Sarabjot Kaur, Simon Siemianowski, Izumi Saito
  • Patent number: 11312907
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: April 26, 2022
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Simon Siemianowski, Izumi Saito
  • Publication number: 20220106525
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: October 7, 2019
    Publication date: April 7, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI
  • Publication number: 20210292652
    Abstract: The invention relates to a compound of formula I, R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: April 18, 2019
    Publication date: September 23, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI, Izumi SAITO
  • Publication number: 20210284912
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: April 18, 2019
    Publication date: September 16, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI, Izumi SAITO, Rocco FORTTE
  • Publication number: 20210130693
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: April 18, 2019
    Publication date: May 6, 2021
    Applicant: Merck Patent GmbH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI, Izumi SAITO
  • Patent number: 10988692
    Abstract: The invention relates to a medium comprising at least 60% of one or more compounds of formula I wherein R11, R12, MG11, MG12 and Sp1 have the meaning given herein below, to the use of such media in liquid crystal devices, in particular in flexoelectric liquid crystal devices, and to a flexoelectric liquid crystal device comprising a liquid crystal medium according to the present invention.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: April 27, 2021
    Assignee: Merck Patent GmbH
    Inventors: Simon Siemianowski, Konstantin Schneider
  • Publication number: 20210096431
    Abstract: A double layer liquid crystal device comprises a first and a second layer with orthogonal or crossed alignment of the liquid crystal phase of the two layers, in which the first and second layer have first and second alignment aids comprised of a polymerized or polymerizable molecular compound. The layers are aligned by UV photoalignment and vertical self-alignment by the aid of suitable additives.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 1, 2021
    Applicant: Merck Patent GmbH
    Inventors: Joseph SARGENT, Sarabjot KAUR, Simon SIEMIANOWSKI, Izumi SAITO
  • Publication number: 20210071081
    Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.
    Type: Application
    Filed: April 18, 2019
    Publication date: March 11, 2021
    Applicant: Merck Patent GmbH
    Inventors: Lars LIETZAU, Simon SIEMIANOWSKI, Izumi SAITO
  • Publication number: 20200299579
    Abstract: The invention relates to a liquid crystal medium comprising one or more dielectrically negative compounds and one or more dielectrically positive compounds, characterized in that the medium as a whole exhibits a dielectrically anisotropy (??) in the range from ?0.25 to +0.25. Furthermore, the invention relates to a method of production of such medium and to the use of such medium in a light modulation element utilizing flexoelectric switching. Moreover, the invention relates to a light modulation element utilizing flexoelectric switching comprising the described medium, to a method of production of such light modulation element, to the use of such light modulation element in electro-optical devices and to these electro-optical devices as such.
    Type: Application
    Filed: November 19, 2018
    Publication date: September 24, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Simon SIEMIANOWSKI, Rachel TUFFIN, Ian SAGE