Patents by Inventor Helga HAAS
Helga HAAS 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).
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Patent number: 11359141Abstract: Polyfluorinated additives for use as components in liquid-crystal mixtures. Liquid-crystal mixtures which comprise these compounds. And liquid-crystal displays based on these liquid-crystal mixtures.Type: GrantFiled: December 5, 2017Date of Patent: June 14, 2022Assignee: MERCK PATENT GMBHInventors: Peer Kirsch, Qiong Tong, Helga Haas, Kaja Christina Deing, Christoph Marten, Andreas Pohle, Reiner Friedrich
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Patent number: 11312909Abstract: Polymerizable compounds, to processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, and the use of the polymerizable 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 type, or a stabilizers in LC media and LC displays.Type: GrantFiled: October 28, 2016Date of Patent: April 26, 2022Assignee: MERCK PATENT GMBHInventors: Qiong Tong, Helga Haas, Alexander Hahn, Kaja Christina Deing, Christoph Marten
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Patent number: 11299676Abstract: The present invention relates to a mixture comprising a not fully aromatic polymerisable compound and a polymerisable photoinitiator, 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 type.Type: GrantFiled: September 26, 2018Date of Patent: April 12, 2022Assignee: Merck Patent GmbHInventors: Qiong Tong, Dmitry Ushakov, Helga Haas, Steffen Gnauck, Thorsten Rachor, Sven Schuepfer, Simon Mundinger
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Patent number: 11174432Abstract: The present invention relates to 2,3-dihydrobenzothiophene derivatives of the general formula I In which the occurring groups and parameters have the meanings indicated in claim 1, to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising these derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.Type: GrantFiled: June 25, 2018Date of Patent: November 16, 2021Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Helga Haas, Thorsten Vom Stein
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Patent number: 11053442Abstract: The invention relates to a liquid crystal mixture characterised in that it comprises one or more photoreactive mesogens of formula I wherein the parameters and groups occurring are defined as indicated in claim 1, to a process for the fabrication of liquid crystal displays using these liquid crystal mixtures and to a liquid crystal display obtainable by this process. The invention further relates to new compounds of formula I.Type: GrantFiled: December 2, 2016Date of Patent: July 6, 2021Assignee: MERCK PATENT GMBHInventors: Kevin Adlem, Alex Davis, Joseph Sargent, Ian Charles Sage, Edward Plummer, Izumi Saito, Rocco Fortte, Helga Haas, Lars Lietzau
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Publication number: 20200263091Abstract: The present invention relates to a mixture comprising a not fully aromatic polymerisabe compound and a polymerisable photoinitiator, 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 type.Type: ApplicationFiled: September 26, 2018Publication date: August 20, 2020Applicant: Merck Patent GmbHInventors: Qiong TONG, Dmitry USHAKOV, Helga HAAS, Steffen GNAUCK, Thorsten RACHOR, Sven SCHUEPFER, Simon MUNDINGER
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Publication number: 20200255740Abstract: The invention relates to a liquid crystal mixture characterised in that it comprises one or more photoreactive mesogens of formula I wherein the parameters and groups occurring are defined as indicated in claim 1, to a process for the fabrication of liquid crystal displays using these liquid crystal mixtures and to a liquid crystal display obtainable by this process. The invention further relates to new compounds of formula I.Type: ApplicationFiled: December 2, 2016Publication date: August 13, 2020Applicant: MERCK PATENT GMBHInventors: Kevin ADLEM, Alex DAVIS, Joseph SARGENT, Ian Charles SAGE, Edward PLUMMER, Izumi SAITO, Rocco FORTTE, Helga HAAS, Lars LIETZAU
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Patent number: 10669483Abstract: 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 type.Type: GrantFiled: December 17, 2015Date of Patent: June 2, 2020Assignee: Merck Patent GmbHInventors: Qiong Tong, Helga Haas, Thorsten Kodek, Peer Kirsch, Constanze Brocke, Eveline Baron, Christoph Marten
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Publication number: 20200123444Abstract: The present invention relates to 2,3-dihydrobenzothiophene derivatives of the general formula I In which the occurring groups and parameters have the meanings indicated in claim 1, to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising these derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.Type: ApplicationFiled: June 25, 2018Publication date: April 23, 2020Applicant: MERCK PATENT GMBHInventors: Dmitry USHAKOV, Helga HAAS, Thorsten VOM STEIN
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Publication number: 20190300791Abstract: The invention relates to polyfluorinated additives for use as components in liquid-crystal mixtures, to liquid-crystal mixtures which comprise these compounds, and to liquid-crystal displays based on these mixtures.Type: ApplicationFiled: December 5, 2017Publication date: October 3, 2019Applicant: MERCK PATENT GMBHInventors: Peer KIRSCH, Qiong TONG, Helga HAAS, Kaja Christina DEING, Christoph MARTEN, Andreas POHLE, Reiner FRIEDRICH
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Patent number: 9938229Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerizable 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 type.Type: GrantFiled: July 29, 2015Date of Patent: April 10, 2018Assignee: MERCK PATENT GMBHInventors: Eveline Baron, Julian Vogt, Qiong Tong, Constanze Brocke, Helga Haas, Alexander Hahn
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Publication number: 20180010046Abstract: 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 type.Type: ApplicationFiled: December 17, 2015Publication date: January 11, 2018Applicant: Merck Patent GmbHInventors: Qiong TONG, Helga HAAS, Thorsten KODEK, Peer KIRSCH, Constanze BROCKE, Eveline BARON, Christoph MARTEN
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Publication number: 20170121606Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerizable 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 type, or a stabilizers in LC media and LC displays.Type: ApplicationFiled: October 28, 2016Publication date: May 4, 2017Inventors: Qiong TONG, Helga HAAS, Alexander HAHN, Kaja Christina DEING, Christoph MARTEN
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Patent number: 9567526Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerizable 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: GrantFiled: June 25, 2014Date of Patent: February 14, 2017Assignee: MERCK PATENT GMBHInventors: Martin Engel, Eveline Baron, Constanze Brocke, Helga Haas, Stephan Derow, Christoph Marten, Qiong Tong
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Publication number: 20160032189Abstract: 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 type.Type: ApplicationFiled: July 29, 2015Publication date: February 4, 2016Applicant: MERCK PATENT GMBHInventors: Eveline BARON, Julian VOGT, Qiong TONG, Constanze BROCKE, Helga HAAS, Alexander HAHN
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Publication number: 20150267119Abstract: 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 PSA (“polymer sustained alignment”) type.Type: ApplicationFiled: March 23, 2015Publication date: September 24, 2015Applicant: MERCK PATENT GMBHInventors: Eveline BARON, Julian VOGT, Qiong TONG, Constanze BROCKE, Helga HAAS, Alexander HAHN
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Publication number: 20140375943Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerizable 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: ApplicationFiled: June 25, 2014Publication date: December 25, 2014Applicant: MERCK PATENT GMBHInventors: Martin ENGEL, Eveline BARON, Constanze BROCKE, Helga HAAS, Stephan DEROW, Christoph MARTEN, Qiong TONG
