Patents by Inventor Andreas POHLE
Andreas POHLE 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: 11920075Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.Type: GrantFiled: December 17, 2019Date of Patent: March 5, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Andreas Pohle, Christian Hock, Martina Windhorst, Sabine Schoen
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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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Publication number: 20220112426Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.Type: ApplicationFiled: December 17, 2019Publication date: April 14, 2022Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Andreas POHLE, Christian HOCK, Martina WINDHORST, Sabine SCHOEN
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Patent number: 10723948Abstract: The invention relates to dielectrically positive liquid crystalline media comprising a compound of formula I wherein the parameters have the meaning given in claim 1 and to liquid crystal displays comprising these media, especially to active matrix displays and in particular to TN and IPS mode displays.Type: GrantFiled: July 28, 2016Date of Patent: July 28, 2020Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Martina Windhorst, Christian Hock, Andreas Pohle, Axel Jansen
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Patent number: 10519375Abstract: 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: GrantFiled: April 8, 2016Date of Patent: December 31, 2019Assignee: MERCK PATENT GMBHInventors: Helmut Haensel, Andreas Pohle, Brigitte Schuler, Christian Jasper
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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: 10351771Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.Type: GrantFiled: August 13, 2014Date of Patent: July 16, 2019Assignee: Merck Patent GmbHInventors: Mark Goebel, Lars Lietzau, Sabine Schoen, Andreas Pohle
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Publication number: 20180244994Abstract: The invention relates to dielectrically positive liquid crystalline media comprising a compound of formula I wherein the parameters have the meaning given in claim 1 and to liquid crystal displays comprising these media, especially to active matrix displays and in particular to TN and IPS mode displays.Type: ApplicationFiled: July 28, 2016Publication date: August 30, 2018Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Martina WINDHORST, Christian HOCK, Andreas POHLE, Axel JANSEN
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Publication number: 20180223187Abstract: The present invention relates to a liquid-crystalline medium (LC medium) which is distinguished by the fact that it comprises one or more compounds of the formula 1 and one or more compounds of the formula 2 and one or more compounds selected from formulae 3, 4 and 5, in which the individual radicals have the meanings according to Claim 1, and to the use thereof for electro-optical purposes and to LC displays containing this medium.Type: ApplicationFiled: July 22, 2016Publication date: August 9, 2018Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Andreas POHLE, Sabine SCHOEN
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Publication number: 20180134960Abstract: 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: ApplicationFiled: April 8, 2016Publication date: May 17, 2018Applicant: MERCK PATENT GMBHInventors: Helmut HAENSEL, Andreas POHLE, Brigitte SCHULER, Christian JASPER
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Patent number: 9376622Abstract: The invention relates to compounds of the formula I and to a liquid-crystalline medium which comprises one or more compounds of the formula I, in which R1, X1, X, Y1 and Y2 have the meanings indicated in Claim 1, 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: GrantFiled: December 9, 2013Date of Patent: June 28, 2016Assignee: Merck Patent GmbHInventors: Harald Hirschmann, Andreas Pohle, Markus Czanta, Christian Schoenefeld, Elvira Montenegro, Volker Reiffenrath
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Publication number: 20150315472Abstract: The invention relates to compounds of the formula I and to a liquid-crystalline medium which comprises one or more compounds of the formula I, in which R1, X1, X, Y1 and Y2 have the meanings indicated in Claim 1, 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: ApplicationFiled: December 9, 2013Publication date: November 5, 2015Applicant: Merck Patent GmbHInventors: Harald HIRSCHMANN, Andreas POHLE, Markus CZANTA, Christian SCHOENEFELD, Elvira MONTENEGRO, Volker REIFFENRATH
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Publication number: 20150048276Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Applicant: Merck Patent GmbHInventors: Mark GOEBEL, Lars LIETZAU, Sabine SCHOEN, Andreas POHLE