Patents by Inventor Harald Hirschmann
Harald Hirschmann 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: 12163081Abstract: A liquid-crystal (LC) medium based on a mixture of polar compounds, its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the vertically aligned mode, to an LC display of the vertically aligned mode containing the LC medium, especially an energy-saving LC display and a process of manufacturing the LC display.Type: GrantFiled: June 1, 2023Date of Patent: December 10, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Sabine Schoen, Philipp Wucher
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Patent number: 12104109Abstract: A liquid-crystal (LC) material having negative dielectric anisotropy and the use thereof for optical, electro-optical and electronic purposes, such as for example in LC displays, in particular energy saving displays based on the ECB, IPS or FFS effect, where the liquid crystal medium contains one or more compounds of formula I and one or more compounds compounds of formulae IIA, IIB, IIC and IIDType: GrantFiled: June 22, 2023Date of Patent: October 1, 2024Assignee: MERCK PATENT GMBHInventors: Chi-Shun Huang, Sven Christian Laut, Hee-Kyu Lee, Minghui Yang, Harald Hirschmann, Kuang-Ting Chou, Shih-Chieh Hung, Alexander Hahn, Philipp Wucher
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Patent number: 11952527Abstract: A liquid crystal medium containing a compound of formula I and one or more compounds of the formulae IIA, IIB, IIC and IID, useable in optical, electro-optical and electronic purposes, in particular in LC displays.Type: GrantFiled: July 2, 2021Date of Patent: April 9, 2024Assignee: MERCK PATENT GMBHInventors: Sven Christian Laut, Harald Hirschmann, Juergen Radestock
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Patent number: 11939509Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.Type: GrantFiled: February 3, 2021Date of Patent: March 26, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Kristin Weiss
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Patent number: 11932797Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.Type: GrantFiled: January 29, 2021Date of Patent: March 19, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Kristin Weiss
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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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Publication number: 20240067879Abstract: The present invention relates to liquid-crystal (LC) media as defined in claim 1, to the use thereof for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays containing said LC media. The invention in particular relates to LC media with improved response time that enable energy saving displays.Type: ApplicationFiled: July 10, 2023Publication date: February 29, 2024Applicant: Merck Patent GmbHInventors: Sven Christian LAUT, Hee-Kyu LEE, Minghui YANG, Harald HIRSCHMANN, Kaja Christina DEING
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Patent number: 11884863Abstract: A liquid-crystalline medium having least one compound of the formula I, and at least one compound of the formulae ST-1 to ST-17, in which R1 and R1*, A1 and A1*, Z1 and Z1*, X, L1 and L2, RST, ring A, ZST, p and q have the meanings indicated in claim 1, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PA-VA, SS-VA, SA-VA, PS-VA, PALC, IPS, PS-IPS, UB-FFS, U-IPS, FFS or PS-FFS effect.Type: GrantFiled: July 22, 2019Date of Patent: January 30, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Sabine Schoen
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Publication number: 20240002728Abstract: A liquid-crystal (LC) material having negative dielectric anisotropy and the use thereof for optical, electro-optical and electronic purposes, such as for example in LC displays, in particular energy saving displays based on the ECB, IPS or FFS effect, where the liquid crystal medium contains one or more compounds of formula I and one or more compounds compounds of formulae IIA, IIB, IIC and IIDType: ApplicationFiled: June 22, 2023Publication date: January 4, 2024Applicant: Merck Patent GmbHInventors: Chi-Shun HUANG, Sven Christian LAUT, Hee-Kyu LEE, Minghui YANG, Harald HIRSCHMANN, Kuang-Ting CHOU, Shih-Chieh HUNG, Alexander HAHN, Philipp WUCHER
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Publication number: 20230392077Abstract: A liquid-crystal (LC) medium based on a mixture of polar compounds, its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the vertically aligned mode, to an LC display of the vertically aligned mode containing the LC medium, especially an energy-saving LC display and a process of manufacturing the LC display.Type: ApplicationFiled: June 1, 2023Publication date: December 7, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Sabine SCHOEN, Philipp WUCHER
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Publication number: 20230357637Abstract: A liquid crystal medium containing a) one or more compounds of formula I b) one or more compounds of the formula IIBa and c) one or more compounds of the formula IIDa and the use thereof for optical, electro-optical and/or electronic purposes, in particular in LC displays, especially in IPS, FFS, VA or PS-VA displays.Type: ApplicationFiled: May 4, 2023Publication date: November 9, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Sabine SCHOEN
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Publication number: 20230323207Abstract: The present invention relates to a liquid-crystal material (LC media) comprising thiophene derivatives which are stabilised by sterically hindered amines or amine derivatives (HALS, hindered amine light stabilisers), and to liquid-crystal displays (LC displays) which contain these LC materials.Type: ApplicationFiled: April 11, 2023Publication date: October 12, 2023Applicant: MERCK PATENT GMBHInventors: Atsutaka MANABE, Rocco FORTTE, Harald HIRSCHMANN
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Publication number: 20230272282Abstract: The present invention relates to liquid-crystal (LC) media having negative dielectric anisotropy comprising one or more compounds of formula I and one, two, three or more compounds of formula III as defined in claim 1, and to the use of the LC media for optical, electro-optical and electronic purposes, in particular useful to enable energy-saving LC displays of the VA, IPS or FFS type.Type: ApplicationFiled: October 17, 2022Publication date: August 31, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Kaja Christina DEING, Brigitte SCHULER, Sabine SCHOEN
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Publication number: 20230024370Abstract: A liquid crystal medium containing a compound of formula I and one or more compounds of the formulae IIA, IIB, IIC and IID, useable in optical, electro-optical and electronic purposes, in particular in LC displays.Type: ApplicationFiled: July 2, 2021Publication date: January 26, 2023Applicant: Merck Patent GmbHInventors: Sven Christian LAUT, Harald HIRSCHMANN, Juergen RADESTOCK
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Publication number: 20220325181Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.Type: ApplicationFiled: February 3, 2021Publication date: October 13, 2022Applicant: Merck Patent GmbHInventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Kristin WEISS
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Publication number: 20220325180Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.Type: ApplicationFiled: January 29, 2021Publication date: October 13, 2022Applicant: Merck Patent GmbHInventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Kristin WEISS
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Publication number: 20220315838Abstract: 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: ApplicationFiled: June 3, 2022Publication date: October 6, 2022Inventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann
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Patent number: 11453824Abstract: The invention relates to a liquid-crystalline medium and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PM-VA, SS-VA, PALC, IPS, PS-IPS, FFS or PS-FFS effect.Type: GrantFiled: April 20, 2017Date of Patent: September 27, 2022Assignee: Merck Patent GmbHInventors: Harald Hirschmann, Martina Windhorst
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Patent number: 11441073Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, wherein the radicals R11, L1, L2, n and A are as defined herein, 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.Type: GrantFiled: August 21, 2015Date of Patent: September 13, 2022Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Martina Windhorst, Monika Bauer, Volker Reiffenrath, Matthias Bremer
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Patent number: 11377596Abstract: 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: GrantFiled: April 12, 2018Date of Patent: July 5, 2022Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Marcus Reuter, Rocco Fortte, Detlef Pauluth, Matthias Bremer, Helmut Haensel, Harald Hirschmann
