Patents by Inventor Sabine Schoen
Sabine Schoen 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: 10208251Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, Z1, Z2 and L1-3 have the meanings defined herein, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, PS-IPS or IPS effect.Type: GrantFiled: October 28, 2016Date of Patent: February 19, 2019Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Constanze Brocke, Rocco Fortte, Matthias Bremer, Sabine Schoen
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Patent number: 10160909Abstract: 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: GrantFiled: November 8, 2016Date of Patent: December 25, 2018Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Sabine Schoen
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Patent number: 10150917Abstract: 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: GrantFiled: October 23, 2015Date of Patent: December 11, 2018Assignee: MERCK PATENT GMBHInventors: Melanie Klasen-Memmer, Sabine Schoen
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Patent number: 10144870Abstract: 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: GrantFiled: November 8, 2016Date of Patent: December 4, 2018Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Sabine Schoen
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Publication number: 20180327667Abstract: The invention relates to a liquid-crystalline medium, characterised in that it comprises one or more compounds of the formula IA, and one or more compounds of the formula IB, in which RA, RB, XA, XB and Y1-13 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: July 25, 2018Publication date: November 15, 2018Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Sabine SCHOEN
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Patent number: 10047292Abstract: The invention relates to a liquid-crystalline medium, characterized in that it comprises one or more compounds of the formula IA, and one or more compounds of the formula IB, in which RA, RB, XA, XB and Y1-13 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: November 17, 2011Date of Patent: August 14, 2018Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Sabine Schoen
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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: 20180030350Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, Z1, Z2 and L1-3 have the meanings defined herein, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, PS-IPS or IPS effect.Type: ApplicationFiled: October 2, 2017Publication date: February 1, 2018Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Constanze BROCKE, Rocco FORTTE, Matthias BREMER, Sabine SCHOEN
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Publication number: 20170369781Abstract: 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: ApplicationFiled: August 15, 2017Publication date: December 28, 2017Applicant: Merck Patent GmbHInventors: Melanie KLASEN-MEMMER, Sabine SCHOEN
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Publication number: 20170362506Abstract: Liquid-crystalline medium contains at least one compound of formula I, and at least one compound formulae ST-1 to ST-17 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: ApplicationFiled: March 10, 2016Publication date: December 21, 2017Applicant: Merck Patent GmbHInventors: Harald HIRSCHMANN, Sabine SCHOEN
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Publication number: 20170267928Abstract: 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: ApplicationFiled: May 30, 2017Publication date: September 21, 2017Applicant: Merck Patent GmbHInventors: Melanie KLASEN-MEMMER, Sabine SCHOEN
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Publication number: 20170240745Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.Type: ApplicationFiled: February 22, 2017Publication date: August 24, 2017Applicant: Merck Patent GmbHInventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
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Patent number: 9714381Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds which contains at least one compound of the formula I, and at least one additional compound, and to the use of the LC mixtures for an active- or passive matrix addressed displays, in particular based on the VA, PSA, PS-VA, IPS, FFS, PS-IPS, PS-FFS technology, preferably in optical displays for the self-aligning VA mode.Type: GrantFiled: August 14, 2015Date of Patent: July 25, 2017Assignee: Merck Patent GmbHInventors: Graziano Archetti, Melanie Klasen-Memmer, Rocco Fortte, Sabine Schoen
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Patent number: 9701903Abstract: 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: GrantFiled: May 7, 2015Date of Patent: July 11, 2017Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Sabine Schoen
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Publication number: 20170145217Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprising (A) a layer of SnO2 having a layer thickness of 0.1-50 nm, (B) a high-refractive-index coating consisting of TiO2 in the rutile modification having a layer thickness of 10-800 nm, (C) a colorless coating having a refractive index n?1.8 having a layer thickness of 20-800 nm, (D) a high-refractive-index coating consisting of SnO2 having a layer thickness of 0.1-50 nm, (E) a layer of TiO2 in the rutile modification having a layer thickness of 10-800 nm, and optionally (F) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as dopants for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Applicant: MERCK PATENT GMBHInventors: Christoph SCHMIDT, Andrea HEYLAND, Sabine SCHOEN, Veronika HOCHSTEIN, Uta HENSEN
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Publication number: 20170105915Abstract: The present invention relates to ?-Al2O3 flakes prepared by a process comprising (1) preparation of an aqueous solution of at least one water-soluble and/or insoluble aluminum salt which optionally contains at least one sulfate compound, (2) adding a basic solution and optionally at least one dopant to the aluminum salt solution (1), (3) drying of the obtained gel, followed by calcination to obtain Al2 03 flakes and alkali salts in a molten salt, and (4) removal of the water soluble parts of the calcined molten salt obtained in step (3).Type: ApplicationFiled: May 4, 2015Publication date: April 20, 2017Applicant: Merck Patent GmbHInventors: Ryuta SUZUKI, Yukitaka WATANABE, Sabine SCHOEN, Noriyuki MATSUDA
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Publication number: 20170073580Abstract: 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: ApplicationFiled: November 8, 2016Publication date: March 16, 2017Applicant: Merck Patent GmbHInventors: Melanie KLASEN-MEMMER, Sabine SCHOEN
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Publication number: 20170066966Abstract: 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: ApplicationFiled: August 16, 2013Publication date: March 9, 2017Applicant: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Melanie KLASSEN-MEMMER, Sabine SCHOEN
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Publication number: 20170051204Abstract: 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: ApplicationFiled: November 8, 2016Publication date: February 23, 2017Applicant: Merck Patent GmbHInventors: Melanie KLASEN-MEMMER, Sabine SCHOEN
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Publication number: 20170044374Abstract: Filler pigments based on platelet-shaped substrates, which are coated with barium sulfate and at least two metal oxides and/or metal hydroxides are highly suitable as filler pigments especially for cosmetic formulations.Type: ApplicationFiled: October 28, 2016Publication date: February 16, 2017Applicant: MERCK PATENT GMBHInventors: Christoph SCHMIDT, Sabine SCHOEN, Tamio NOGUCHI