Patents by Inventor Melanie Klasen-Memmer

Melanie Klasen-Memmer 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 MEDIA
    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
  • Liquid-crystalline media
    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
  • Compounds for the homeotropic alignment of liquid-crystalline media
    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
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20210277310
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, rings A and B, Z1, L1, L2, a and b 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, PALC, FFS, PS-FFS, IPS or PS-IPS effect.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 9, 2021
    Applicant: Merck Patent GmbH
    Inventors: Melanie KLASEN-MEMMER, Achim GOETZ, Georg BERNATZ
  • Liquid-crystalline media having homeotropic alignment
    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
  • Liquid crystal medium containing polymerisable compounds
    Patent number: 10894918
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: January 19, 2021
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Nils Greinert, Matthias Bremer, Konstantin Schneider, Christian Schoenefeld, Thomas Bauer
  • Liquid-crystal medium
    Patent number: 10759996
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: September 1, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Mathias Bremer, Patrick Suess, Nils Greinert, Melanie Klasen-Memmer, Christian Schoenefeld
  • Liquid crystalline medium
    Patent number: 10611963
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: April 7, 2020
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Sabine Schoen
  • Liquid crystal medium containing polymerisable compounds
    Patent number: 10590344
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: March 17, 2020
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Nils Greinert, Matthias Bremer, Andreas Taugerbeck, Christian Schoenefeld, Patrick Suess
  • Liquid crystal medium containing polymerisable compounds
    Patent number: 10570335
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: February 25, 2020
    Assignee: Merck Patetn GmbH
    Inventors: Dong-Mee Song, Ki-Sun Kwon, Hoo-Yong Lee, Melanie Klasen-Memmer, Christian Schoenefeld, Konstantin Schneider, Matthias Koch, Joerg Peschke, Matthias Bremer, Nils Greinert
  • Liquid crystalline medium
    Patent number: 10435626
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: October 8, 2019
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Sabine Schoen
  • COMPOUNDS FOR THE HOMEOTROPIC ALIGNMENT OF LIQUID-CRYSTALLINE MEDIA
    Publication number: 20190241809
    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: Application
    Filed: February 5, 2019
    Publication date: August 8, 2019
    Applicant: Merck Patent GmbH
    Inventors: Melanie KLASEN-MEMMER, Edward PLUMMER, Rocco FORTTE, Helmut HAENSEL, Timo UEBEL, Tamara LEHMANN
  • LIQUID-CRYSTALLINE MEDIA HAVING HOMEOTROPIC ALIGNMENT
    Publication number: 20190185754
    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: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Graziano ARCHETTI, Izumi SAITO, Rocco FORTTE, Edward Plummer, Dmitry USHAKOV, Helmut HAENSEL, Melanie KLASEN-MEMMER
  • LIQUID CRYSTAL MEDIUM CONTAINING POLYMERISABLE COMPOUNDS
    Publication number: 20180371319
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Application
    Filed: May 31, 2016
    Publication date: December 27, 2018
    Applicant: Merck Patent GmbH
    Inventors: Melanie KLASEN-MEMMER, Nils GREINERT, Matthias BREMER, Konstantin SCHNEIDER, Christian SCHOENEFELD, Thomas BAUER
  • Liquid crystalline medium
    Patent number: 10160909
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: December 25, 2018
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Sabine Schoen
  • Liquid crystalline medium
    Patent number: 10150917
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: December 11, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Melanie Klasen-Memmer, Sabine Schoen
  • Liquid crystalline medium
    Patent number: 10144870
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: December 4, 2018
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Sabine Schoen
  • LIQUID-CRYSTAL MEDIUM
    Publication number: 20180312756
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Application
    Filed: October 7, 2016
    Publication date: November 1, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Mathias BREMER, Patrick SUESS, Nils GREINERT, Melanie KLASEN-MEMMER, Christian SCHOENEFELD
  • Liquid-crystalline media
    Patent number: 10072209
    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: Grant
    Filed: December 20, 2012
    Date of Patent: September 11, 2018
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann
  • LIQUID-CRYSTALLINE MEDIA
    Publication number: 20180230382
    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: Application
    Filed: April 12, 2018
    Publication date: August 16, 2018
    Inventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann