Patents by Inventor Helmut Haensel

Helmut Haensel 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: 11739266
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: August 29, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Qiong Tong, Rocco Fortte, Helmut Haensel, Edward Plummer, Timo Uebel, Oliver Heppert
  • Patent number: 11685863
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: June 27, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Helmut Haensel, Qiong Tong, Rocco Fortte, Edward Plummer, Thomas Eichhorn
  • Publication number: 20230029961
    Abstract: The present invention relates to liquid crystal (LC) media comprising one or more polymerisable compounds as further specified in the description or claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 2, 2023
    Applicant: MERCK PATENT GMBH
    Inventors: Helmut HAENSEL, Kristin MUELLER, Julia SPRANG
  • Publication number: 20230007940
    Abstract: The present invention relates to a liquid-crystal (LC) medium comprising one or more polymerisable compounds and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) or self-aligning (SA) type.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 12, 2023
    Applicant: MERCKP PATENT GMBH
    Inventors: Helmut HAENSEL, Qiong TONG, Edward PLUMMER, Rocco FORTTE, Thomas EICHHORN
  • Publication number: 20230002678
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 5, 2023
    Applicant: MERCK PATENT GMBH
    Inventors: Qiong TONG, Rocco FORTTE, Helmut HAENSEL, Edward PLUMMER, Timo UEBEL, Oliver HEPPERT
  • 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: 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: 20220315838
    Abstract: The invention relates to liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.
    Type: Application
    Filed: June 3, 2022
    Publication date: October 6, 2022
    Inventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann
  • Patent number: 11377596
    Abstract: Liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 5, 2022
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann
  • Publication number: 20220127532
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Application
    Filed: February 14, 2020
    Publication date: April 28, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Helmut HAENSEL, Qiong TONG, Rocco FORTTE, Edward PLUMMER, Thomas EICHHORN
  • Patent number: 11274254
    Abstract: Liquid-crystalline media (LC media) comprising self-aligning mesogens (self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The self-alignment additives contain five-ring systems. LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional alignment layers are provided.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 15, 2022
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Edward Plummer, Rocco Fortte, Helmut Haensel, Timo Uebel, Tamara Lehmann
  • Patent number: 11254872
    Abstract: Liquid crystal (LC) media comprising polymerisable compounds as further specified in the description and claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: February 22, 2022
    Assignee: Merck Patent GmbH
    Inventors: Helmut Haensel, Steffen Gnauck, Qiong Tong, Sabrina Zeiss
  • Patent number: 11214736
    Abstract: Compounds of the formula I, liquid-crystalline media which contain at least one compound of the formula I and electro-optical displays which contain the LC mixtures, especially for the self-aligning VA, PSA, PS-VA, PVA, MVA, PM-VA, HT-VA or VA-IPS mode in which R1, R2, ring A1, Z1, Z2, Sp, P, L1, L2, r1, r2, r3, m, n, p1 and p2 have the meanings indicated above.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: January 4, 2022
    Assignee: Merck Patent GmbH
    Inventors: Graziano Archetti, Elena Neumann, Rocco Fortte, Timo Uebel, Helmut Haensel, Kristin Mueller
  • Patent number: 11072742
    Abstract: A liquid-crystalline media (LC media) containing a low-molecular-weight, non-polymer component, and a combination of self-alignment additives for vertical alignment of two or more of the specified kinds (formulae IA to IM). The combination of two or more self-alignment additives affect homeotropic (vertical) alignment of the LC media at a surface or the cell surfaces of a liquid-crystal display (LC display).
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 27, 2021
    Assignee: MERCK PATENT GMBH
    Inventors: Graziano Archetti, Izumi Saito, Rocco Fortte, Edward Plummer, Dmitry Ushakov, Helmut Haensel, Melanie Klasen-Memmer
  • Patent number: 10723951
    Abstract: The invention relates to compounds of the formula I, in which R, A, Z, m, L1, L2, L3 and X have the meanings indicated in Claim 1, to a process for the preparation thereof, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: July 28, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Christian Jasper, Susann Gunst, Helmut Haensel, Brigitte Schuler
  • Publication number: 20200080000
    Abstract: Liquid crystal (LC) media comprising polymerisable compounds as further specified in the description and claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.
    Type: Application
    Filed: September 5, 2019
    Publication date: March 12, 2020
    Applicant: Merck Patent GmbH
    Inventors: Helmut HAENSEL, Steffen GNAUCK, Qiong TONG, Sabrina ZEISS
  • Patent number: 10550327
    Abstract: Polymerisable compounds and processes and intermediates for the preparation thereof. Also liquid-crystal (LC) media comprising the polymerisable compounds, and the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PSA (“polymer sustained alignment”) type.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: February 4, 2020
    Assignee: Merck Patent GmbH
    Inventors: Martin Engel, Andreas Taugerbeck, Constanze Brocke, Helmut Haensel, Stephan Derow, Julian Vogt
  • Patent number: 10538704
    Abstract: Disclosed are liquid-crystalline media (LC media) comprising a low-molecular-weight component and a polymerisable component. The polymerisable component contains self-aligning, polymerisable meso-gens (polymerisable self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). Disclosed are also LC displays having homeotropic alignment of the LC medium without alignment layers. Further disclosed are the structures for polymerisable self-alignment additives.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: January 21, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Graziano Archetti, Edward Plummer, Helmut Haensel, Rocco Fortte, Timo Uebel
  • Patent number: 10519375
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1 and R1* each, independently of one another, denote an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, A1 denotes L1 denotes F, Cl, CF3, OCF3 or CHF2, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 31, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Helmut Haensel, Andreas Pohle, Brigitte Schuler, Christian Jasper
  • Publication number: 20190359889
    Abstract: The invention relates to a polymerisable LC material comprising at least one di- or multireactive mesogenic compound and at least one compound of formula I, in which the parameter R1, A1, Z2, Sp, P, p1, p2, L1, L2, r1, r2 and Ra have one of the meanings as given in claim 1 and to a compound of formula 1, as such. Furthermore, the present invention relates also to a method for the preparation of a polymerisable LC material, a polymer film 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: September 12, 2017
    Publication date: November 28, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Stephen MULCAHY, Iain GARDINER, Helmut HAENSEL, Graziano ARCHETTI