Patents by Inventor Matthias Bremer

Matthias Bremer 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).

  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20150175884
    Abstract: The invention relates to compounds of the formula I, to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, L1, L2, L3 and L4 have the meanings indicated herein, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PM-VA, PALC, IPS, PS-IPS, SA-VA, SS-VA, FFS or PS-FFS effect.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Volker REIFFENRATH, Matthias BREMER
  • Liquid crystal display
    Patent number: 8999459
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PSA (polymer sustained alignment) type, and to polymerizable compounds and LC media for use in PSA displays.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: April 7, 2015
    Assignee: Merck Patent GmbH
    Inventors: Georg Bernatz, Melanie Klasen-Memmer, Matthias Bremer
  • Liquid-crystal display
    Patent number: 8940375
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PS (polymer stabilized) or PSA (polymer sustained alignment) type, and to polymerizable compounds and LC media for use in PS (polymer stabilized) and PSA displays.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: January 27, 2015
    Assignee: Merck Patent GmbH
    Inventors: Matthias Bremer, Georg Bernatz
  • LIQUID CRYSTAL MEDIUM AND LIQUID CRYSTAL DISPLAY
    Publication number: 20140225035
    Abstract: The instant invention relates to mesogenic media comprising one or more compounds selected from the group of compounds of formulae E and H wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.
    Type: Application
    Filed: July 25, 2012
    Publication date: August 14, 2014
    Applicant: MERCK PATENT GmbH
    Inventors: Michael Wittek, Norihiko Tanaka, Malgorzata Rillick, Matthias Bremer, Mila Fischer
  • LIQUID CRYSTAL MEDIUM AND LIQUID CRYSTAL DISPLAY
    Publication number: 20140158934
    Abstract: The instant invention relates to mesogenic media comprising one or more compounds selected from the group of compounds of formulae M-I and M-II wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.
    Type: Application
    Filed: July 13, 2012
    Publication date: June 12, 2014
    Applicant: MERCK PATENT GMBH
    Inventors: Michael Wittek, Norihiko Tanaka, Mila Fischer, Matthias Bremer, Andreas Taugerbeck
  • LIQUID CRYSTAL MEDIUM AND LIQUID CRYSTAL DISPLAY
    Publication number: 20140077130
    Abstract: The instant invention relates to mesogenic media exhibiting a blue phase, comprising one, two or more compounds of formula I-A wherein the parameters are as specified in the text, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 20, 2014
    Applicant: MERCK PATENT GmbH
    Inventors: Michael WITTEK, Norihiko TANAKA, Mila FISCHER, Matthias BREMER, Erdal DURMAZ, Malgorzata RILLICH
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20140008571
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, L1, L2 and L3 have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PA-VA, PALC, FFS, PS-FFS, IPS or PS-IPS effect. The invention furthermore also relates to compounds of the formula I.
    Type: Application
    Filed: February 27, 2012
    Publication date: January 9, 2014
    Applicant: MERCK PATENT GMBH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Harald Lannert, Konstantin Schneider
  • LIQUID-CRYSTALLINE COMPOUNDS AND LIQUID-CRYSTALLINE MEDIA
    Publication number: 20130306908
    Abstract: The present invention relates to liquid-crystalline compounds containing an O-heterocyclic ring, three partially fluorinated benzene rings and a —CF2O— bridge between the rings. In addition, the invention relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.
    Type: Application
    Filed: December 30, 2011
    Publication date: November 21, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Axel Jansen, Matthias Bremer, Michael Wittek, Helmut Haensel, Malgorzata Rillich, Julia Sprang
  • Liquid-crystalline medium
    Patent number: 8475889
    Abstract: Disclosed are a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which contains at least one compound of formula IA and at least one compound of formulae IB, IC and/or ID and the use thereof for an active-matrix display, in particular based on the ECB, PALO, FFS or IPS effect.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: July 2, 2013
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer
  • Liquid-crystal medium
    Patent number: 8399073
    Abstract: The invention relates to a liquid-crystalline medium having negative dielectric anisotropy which comprises at least one compound of the formula I in which R1, R1* and a have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PS-VA, PALC, FFS or IPS effect.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: March 19, 2013
    Assignee: Merck Patent Gesellschaft mit Beschränkter Haftung
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Konstantin Schneider, Detlef Pauluth
  • Liquid-crystalline medium
    Patent number: 8361568
    Abstract: Disclosed are a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which contains at least one compound of formula IA and at least one compound of formulae IB, IC and/or ID and the use thereof for an active-matrix display, in particular based on the ECB, PALC, FFS or IPS effect.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: January 29, 2013
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer
  • LIQUID CRYSTALLINE MEDIUM
    Publication number: 20120305843
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS or IPS effect.
    Type: Application
    Filed: January 31, 2011
    Publication date: December 6, 2012
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Melanie Klasen-memmer, Matthias Bremer, Konstantin Schneider
  • Liquid-crystal medium
    Patent number: 8277684
    Abstract: The invention relates to a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which comprises at least one compound selected from the group of the compounds of the formulae IA, IB and IC in which R1A, R2A, R1B, R2B, R1C, R2C, L, m, n, o, p and b have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the ECB, PALC, FFS or IPS effect.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: October 2, 2012
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Kazuaki Tarumi
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20120228549
    Abstract: Disclosed are a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which contains at least one compound of formula IA and at least one compound of formulae IB, IC and/or ID and the use thereof for an active-matrix display, in particular based on the ECB, PALO, FFS or IPS effect.
    Type: Application
    Filed: May 22, 2012
    Publication date: September 13, 2012
    Applicant: MERCK PATENT GMBH
    Inventors: Melanie KLASEN-MEMMER, Matthias BREMER
  • Liquid-crystalline medium
    Patent number: 8168081
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of dielectrically negative, polar compounds which comprises at least one compound of the formula I in which the parameters have the meanings indicated in claim 1, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, and to displays of this type.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: May 1, 2012
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Melanie Klasen-Memmer, Georg Bernatz, Izumi Saito, Matthias Bremer, Lars Lietzau, Volker Reiffenrath
  • Liquid-crystal display
    Patent number: 8114310
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PSA (polymer sustained alignment) type, and to novel polymerisable compounds and novel LC media for use in PSA displays.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: February 14, 2012
    Assignee: Merck Patent GmbH
    Inventors: Georg Bernatz, Andreas Taugerbeck, Matthias Bremer, Achim Goetz
  • LIQUID-CRYSTAL MEDIUM
    Publication number: 20110248216
    Abstract: The invention relates to a liquid-crystalline medium having negative dielectric anisotropy which comprises at least one compound of the formula I in which R1, R1* and a have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PS-VA, PALC, FFS or IPS effect.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 13, 2011
    Applicant: MERCK PATENT GMBH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Konstantin Schneider, Detlef Pauluth
  • LIQUID-CRYSTAL MEDIUM
    Publication number: 20110193020
    Abstract: The invention relates to a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which comprises at least one compound selected from the group of the compounds of the formulae IA, IB and IC in which R1A, R2A, R1B, R2B, R1C, R2C, L, m, n, o, p and b have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the ECB, PALC, FFS or IPS effect.
    Type: Application
    Filed: August 7, 2008
    Publication date: August 11, 2011
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Kazuaki Tarumi
  • Liquid crystalline medium
    Patent number: 7981487
    Abstract: Disclosed are a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which contains at least one compound of formula IA and at least one compound of formulae IB, IC and/or ID and the use thereof for an active-matrix display, in particular based on the ECB, PALC, FFS or IPS effect.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: July 19, 2011
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20100304049
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PSA (polymer sustained alignment) type, and to polymerisable compounds and LC media for use in PSA displays.
    Type: Application
    Filed: July 30, 2008
    Publication date: December 2, 2010
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Georg Bernatz, Melanie Klasen-Memmer, Matthias Bremer