Patents by Inventor Stephan Derow
Stephan Derow 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: 10550327Abstract: 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: GrantFiled: April 12, 2013Date of Patent: February 4, 2020Assignee: Merck Patent GmbHInventors: Martin Engel, Andreas Taugerbeck, Constanze Brocke, Helmut Haensel, Stephan Derow, Julian Vogt
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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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Patent number: 9487702Abstract: The present invention relates to a liquid crystal (LC) medium comprising a polymerizable compound, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in an LC display, especially in an LC display of the PSA (“polymer sustained alignment”) type, and to an LC display comprising the LC medium.Type: GrantFiled: September 11, 2014Date of Patent: November 8, 2016Assignee: MERCK PATENT GMBHInventors: Eveline Baron, Julian Vogt, Qiong Tong, Stephan Derow
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Patent number: 9428694Abstract: The present invention relates to a liquid crystal (LC) medium, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type, and to LC displays, especially PS or PSA displays, comprising said LC medium.Type: GrantFiled: May 21, 2013Date of Patent: August 30, 2016Assignee: Merck Patent GmbHInventors: Martin Engel, Melanie Klasen-Memmer, Christoph Marten, Stephan Derow
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Patent number: 9090823Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type.Type: GrantFiled: July 26, 2013Date of Patent: July 28, 2015Assignee: Merck Patent GmbHInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow
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Patent number: 9045683Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type.Type: GrantFiled: June 1, 2011Date of Patent: June 2, 2015Assignee: Merck Patent GmbHInventors: Andreas Taugerbeck, Achim Goetz, Stephan Derow
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Publication number: 20150146155Abstract: The present invention relates to a liquid crystal (LC) medium, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type, and to LC displays, especially PS or PSA displays, comprising said LC medium.Type: ApplicationFiled: May 21, 2013Publication date: May 28, 2015Applicant: Merck Patent GmbHInventors: Martin Engel, Melanie Klasen-Memmer, Christoph Marten, Stephan Derow
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Patent number: 9005721Abstract: Disclosed are liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type which contain a liquid-crystal (LC) mixture that contains one or more compounds of formula IType: GrantFiled: July 3, 2013Date of Patent: April 14, 2015Assignee: Merck Patent GmbHInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow, Sabine Schoen, Peter Best
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Patent number: 9005720Abstract: Disclosed are liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type which contain a liquid-crystal (LC) mixture that contains one or more compounds of formula IType: GrantFiled: April 23, 2010Date of Patent: April 14, 2015Assignee: Merck Patent GmbHInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow, Sabine Schoen, Peter Best
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Publication number: 20150070609Abstract: The present invention relates to a liquid crystal (LC) medium comprising a polymerizable compound, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in an LC display, especially in an LC display of the PSA (“polymer sustained alignment”) type, and to an LC display comprising the LC medium.Type: ApplicationFiled: September 11, 2014Publication date: March 12, 2015Applicant: Merck Patent GmbHInventors: Eveline BARON, Julian VOGT, Qiong TONG, Stephan DEROW
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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
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Publication number: 20140139786Abstract: 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: April 12, 2013Publication date: May 22, 2014Applicant: Merck Patent GmbHInventors: Martin ENGEL, Andreas TAUGERBECK, Constanze BROCKE, Helmut HAENSEL, Stephan DEROW, Julian VOGT
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Publication number: 20140022473Abstract: Disclosed are liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type which contain a liquid-crystal (LC) mixture that contains one or more compounds of formula IType: ApplicationFiled: July 3, 2013Publication date: January 23, 2014Applicant: MERCK PATENT GmbHInventors: Achim GOETZ, Melanie KLASEN-MEMMER, Stephan DEROW, Sabine SCHOEN, Peter BEST
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Publication number: 20130306910Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.Type: ApplicationFiled: July 26, 2013Publication date: November 21, 2013Applicant: Merck Patent GmbHInventors: Achim GOETZ, Melanie KLASEN-MEMMER, Stephan DEROW
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Patent number: 8586684Abstract: The invention relates to a conjugated copolymer comprising indenofluorene and triarylamine units and to its use in organic electronic devices.Type: GrantFiled: October 23, 2008Date of Patent: November 19, 2013Assignee: MERCK PATENT GmbHInventors: Michael Heckmeier, William Mitchell, Weimin Zhang, David Sparrowe, Giles Lloyd, Steven Tierney, Stephan Derow
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Patent number: 8545720Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.Type: GrantFiled: November 26, 2009Date of Patent: October 1, 2013Assignee: MERCK PATENT GmbHInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow
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Publication number: 20130093975Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type.Type: ApplicationFiled: June 1, 2011Publication date: April 18, 2013Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Andreas Taugerbeck, Achim Goetz, Stephan Derow
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Patent number: 8043670Abstract: The invention relates to new polymerizable mesogenic or liquid crystalline compounds comprising a terminal cyclohexylphenyl group wherein the phenyl group has polar substituents, to polymerizable mesogenic or liquid crystalline mixtures and anisotropic polymers prepared thereof, and to the use of the new compounds and the mixtures and polymers prepared thereof in optical and electrooptical devices, adhesives, synthetic resins with anisotropic mechanical properties, cosmetics, diagnostics, liquid crystal pigments, decorative and security applications, nonlinear optics, optical information storage, electronic devices like organic field effect transistors (FET or OFET) or electroluminescent devices.Type: GrantFiled: August 10, 2005Date of Patent: October 25, 2011Assignee: Merck Patent GmbHInventors: Markus Klein, Stephan Derow
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Patent number: 7936426Abstract: The invention relates to a transflective liquid crystal display (LCD) with a polymerised LC film comprising at least one photoisomerisable compound and having a pattern of regions with different retardation and/or different orientation of the LC material.Type: GrantFiled: July 1, 2005Date of Patent: May 3, 2011Assignee: Merck Patent GmbHInventors: Richard Harding, Stephan Derow, Mark Verrall, Shirley Ann Marden, Rick Hamilton
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Publication number: 20100272925Abstract: Disclosed are liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type which contain a liquid-crystal (LC) mixture that contains one or more compounds of formula IType: ApplicationFiled: April 23, 2010Publication date: October 28, 2010Applicant: MERCK PATENT GESELLSCHAFTInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow, Sabine Schoen, Peter Best