Patents by Inventor Helmut Haensel
Helmut Haensel 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: 11739266Abstract: 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 (PS, PSA) and self-aligning (SA) type.Type: GrantFiled: December 4, 2019Date of Patent: August 29, 2023Assignee: MERCK PATENT GMBHInventors: Qiong Tong, Rocco Fortte, Helmut Haensel, Edward Plummer, Timo Uebel, Oliver Heppert
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Patent number: 11685863Abstract: 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 (PS, PSA) and self-aligning (SA) type.Type: GrantFiled: February 14, 2020Date of Patent: June 27, 2023Assignee: MERCK PATENT GMBHInventors: Helmut Haensel, Qiong Tong, Rocco Fortte, Edward Plummer, Thomas Eichhorn
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Publication number: 20230029961Abstract: The present invention relates to liquid crystal (LC) media comprising one or more polymerisable compounds as further specified in the description or claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.Type: ApplicationFiled: November 4, 2019Publication date: February 2, 2023Applicant: MERCK PATENT GMBHInventors: Helmut HAENSEL, Kristin MUELLER, Julia SPRANG
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Publication number: 20230007940Abstract: The present invention relates to a liquid-crystal (LC) medium comprising one or more polymerisable compounds and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) or self-aligning (SA) type.Type: ApplicationFiled: December 4, 2019Publication date: January 12, 2023Applicant: MERCKP PATENT GMBHInventors: Helmut HAENSEL, Qiong TONG, Edward PLUMMER, Rocco FORTTE, Thomas EICHHORN
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Publication number: 20230002678Abstract: 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 (PS, PSA) and self-aligning (SA) type.Type: ApplicationFiled: December 4, 2019Publication date: January 5, 2023Applicant: MERCK PATENT GMBHInventors: Qiong TONG, Rocco FORTTE, Helmut HAENSEL, Edward PLUMMER, Timo UEBEL, Oliver HEPPERT
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Publication number: 20220380673Abstract: Liquid crystal mixtures containing a photoalignment component A) containing a photoreactive mesogen of formula I, a liquid-crystalline component B) containing one or more nematogenic compounds, and a polymerizable component C) containing one or more polymerizable compounds of formula P, Pa-Spa-(Ap)n2-Spb-Pb??P and a method of producing such LC media, the use of such media in LC devices, and LC devices containing such a LC medium, and further a process for the fabrication of such liquid crystal displays and the use of the liquid crystal mixtures for the fabrication of such liquid crystal display.Type: ApplicationFiled: August 19, 2019Publication date: December 1, 2022Applicant: MERCK PATENT GMBHInventors: Simon SIEMIANOWSKI, Helmut HAENSEL, Kristin MUELLER, Julia SPRANG, Izumi SAITO, Qiong TONG
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Publication number: 20220380672Abstract: The invention relates to liquid crystal mixtures comprising a photoalignment component A) comprising one or more photoreactive mesogens of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o, and p have one of the meanings as given in claim 1, a liquid-crystalline component B), comprising one or more nematogenic compounds, and a polymerizable component C) comprising one or more polymerizable compounds of formula P, Pa-Spa-Pb??P wherein Pa, Pb and Spa have one of the meanings as given in claim 1. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to a LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.Type: ApplicationFiled: August 19, 2019Publication date: December 1, 2022Applicant: Merck Patent GmbHInventors: Simon SIEMIANOWSKI, Helmut HAENSEL, Nils GREINERT, Julia SPRANG, Martin HEHNER
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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: 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
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Publication number: 20220127532Abstract: 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 (PS, PSA) and self-aligning (SA) type.Type: ApplicationFiled: February 14, 2020Publication date: April 28, 2022Applicant: MERCK PATENT GMBHInventors: Helmut HAENSEL, Qiong TONG, Rocco FORTTE, Edward PLUMMER, Thomas EICHHORN
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Patent number: 11274254Abstract: Liquid-crystalline media (LC media) comprising self-aligning mesogens (self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The self-alignment additives contain five-ring systems. LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional alignment layers are provided.Type: GrantFiled: February 5, 2019Date of Patent: March 15, 2022Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Edward Plummer, Rocco Fortte, Helmut Haensel, Timo Uebel, Tamara Lehmann
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Patent number: 11254872Abstract: Liquid crystal (LC) media comprising polymerisable compounds as further specified in the description and claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.Type: GrantFiled: September 5, 2019Date of Patent: February 22, 2022Assignee: Merck Patent GmbHInventors: Helmut Haensel, Steffen Gnauck, Qiong Tong, Sabrina Zeiss
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Patent number: 11214736Abstract: Compounds of the formula I, liquid-crystalline media which contain at least one compound of the formula I and electro-optical displays which contain the LC mixtures, especially for the self-aligning VA, PSA, PS-VA, PVA, MVA, PM-VA, HT-VA or VA-IPS mode in which R1, R2, ring A1, Z1, Z2, Sp, P, L1, L2, r1, r2, r3, m, n, p1 and p2 have the meanings indicated above.Type: GrantFiled: September 8, 2016Date of Patent: January 4, 2022Assignee: Merck Patent GmbHInventors: Graziano Archetti, Elena Neumann, Rocco Fortte, Timo Uebel, Helmut Haensel, Kristin Mueller
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Patent number: 11072742Abstract: A liquid-crystalline media (LC media) containing a low-molecular-weight, non-polymer component, and a combination of self-alignment additives for vertical alignment of two or more of the specified kinds (formulae IA to IM). The combination of two or more self-alignment additives affect homeotropic (vertical) alignment of the LC media at a surface or the cell surfaces of a liquid-crystal display (LC display).Type: GrantFiled: December 19, 2018Date of Patent: July 27, 2021Assignee: MERCK PATENT GMBHInventors: Graziano Archetti, Izumi Saito, Rocco Fortte, Edward Plummer, Dmitry Ushakov, Helmut Haensel, Melanie Klasen-Memmer
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Patent number: 10723951Abstract: The invention relates to compounds of the formula I, in which R, A, Z, m, L1, L2, L3 and X have the meanings indicated in Claim 1, to a process for the preparation thereof, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.Type: GrantFiled: November 24, 2016Date of Patent: July 28, 2020Assignee: MERCK PATENT GMBHInventors: Christian Jasper, Susann Gunst, Helmut Haensel, Brigitte Schuler
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Publication number: 20200080000Abstract: Liquid crystal (LC) media comprising polymerisable compounds as further specified in the description and claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.Type: ApplicationFiled: September 5, 2019Publication date: March 12, 2020Applicant: Merck Patent GmbHInventors: Helmut HAENSEL, Steffen GNAUCK, Qiong TONG, Sabrina ZEISS
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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: 10538704Abstract: Disclosed are liquid-crystalline media (LC media) comprising a low-molecular-weight component and a polymerisable component. The polymerisable component contains self-aligning, polymerisable meso-gens (polymerisable self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). Disclosed are also LC displays having homeotropic alignment of the LC medium without alignment layers. Further disclosed are the structures for polymerisable self-alignment additives.Type: GrantFiled: November 20, 2017Date of Patent: January 21, 2020Assignee: MERCK PATENT GMBHInventors: Graziano Archetti, Edward Plummer, Helmut Haensel, Rocco Fortte, Timo Uebel
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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: 20190359889Abstract: The invention relates to a polymerisable LC material comprising at least one di- or multireactive mesogenic compound and at least one compound of formula I, in which the parameter R1, A1, Z2, Sp, P, p1, p2, L1, L2, r1, r2 and Ra have one of the meanings as given in claim 1 and to a compound of formula 1, as such. Furthermore, the present invention relates also to a method for the preparation of a polymerisable LC material, a polymer film obtainable from the corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.Type: ApplicationFiled: September 12, 2017Publication date: November 28, 2019Applicant: MERCK PATENT GMBHInventors: Stephen MULCAHY, Iain GARDINER, Helmut HAENSEL, Graziano ARCHETTI