Abstract: A planographic printing plate precursor includes: a support; and an image recording layer which includes a radical initiator, a radical polymerizable component, and a radiation absorption compound, and in which the image recording layer shows two or more peaks of a radical generation amount in a radical generation amount-versus-time curve after exposure to image forming radiation, in which the radical initiator includes an electron-donating radical initiator and an electron-accepting radical initiator, and the radiation absorption compound comprises a compound represented by the following Formula 1.
Abstract: A liquid-crystalline medium containing one or more compounds of formula IA, and the use thereof in an active-matrix display, in particular in a VA, IPS, U-IPS, FFS, UB-FFS, SA-VA, SA-FFS, PS-VA, PS-OCB, PS-IPS, PS-FFS, PS-UB-FFS, PS-posi-VA, PS-TN, polymer stabilised SA-VA or polymer stabilised SA-FFS display.
Type:
Grant
Filed:
September 26, 2019
Date of Patent:
June 28, 2022
Assignee:
Merck Patent GmbH
Inventors:
Martin Engel, Sebastian Hofmeyer, Christoph Marten, Lars Lietzau
Abstract: 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:
Grant
Filed:
December 5, 2017
Date of Patent:
June 14, 2022
Assignee:
MERCK PATENT GMBH
Inventors:
Peer Kirsch, Qiong Tong, Helga Haas, Kaja Christina Deing, Christoph Marten, Andreas Pohle, Reiner Friedrich
Abstract: A liquid crystal composition and a display device are provided. The liquid crystal composition includes a compound having a structure represented by general formula (I) and a compound having a structure represented by general formula (II), and L1, L2, L3 and L4 are independently selected from Z1 is selected from a single bond or —C?C—; R1, R2 and R3 are independently selected from alkyl, alkenyl, alkynyl, haloalkyl or OR4; and R4 is selected from alkyl, alkenyl, alkynyl or haloalkyl.
Abstract: Provided is a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, the polymer liquid crystal compound and the dichroic material are horizontally aligned, and crystallinity of the polymer liquid crystal compound in the polarizer-forming composition is higher than the crystallinity of the polymer liquid crystal compound alone.
Abstract: A side-chain liquid crystal polymer including two or more kinds of constitutional units represented by the following general formula (I) and a liquid crystal constitutional unit which contains a side chain including a liquid crystal moiety, where the two or more kinds of constitutional units represented by the general formula (I) include a constitutional unit (a) represented by the general formula (I) and a constitutional unit (b) which is represented by the general formula (I) and is different from the constitutional unit (a) in carbon atom number of a linking group represented by L1 or L1?.
Abstract: A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an ultraviolet absorber represented by Formula (1), in which a maximum absorption wavelength A of the polymerizable liquid crystal compound and a maximum absorption wavelength B of the ultraviolet absorber satisfy Formula (2), and a content of the ultraviolet absorber is 1% to 20% by mass with respect to a content of the polymerizable liquid crystal compound.
Abstract: A curable composition includes a salt compound having a) an organic anion in which, in Hansen solubility parameter, ?d is 16 or more, ?p is 16 or more and 32 or less, and ?H is 60% or less of ?p and b) a counter cation. A lithographic printing plate precursor having an image-recording layer containing the curable composition, a method for producing a lithographic printing plate using the lithographic printing plate precursor, and a compound that is used in the image-recording layer in the lithographic printing plate precursor are also set out.
Abstract: Provided are a lithographic printing plate precursor having an image-recording layer on an aluminum support, in which the image-recording layer contains a polymerization initiator, an infrared absorber, a polymer particle, and a polymerizable compound, and the polymerizable compound has a) a molecular weight of 1,500 to 3,000, b) a double bond equivalent of 200 or less, and c) a CLog P of 9 or less and a method for producing a lithographic printing plate in which the lithographic printing plate precursor is used.
Abstract: The present disclosure is directed to a thermal developing assembly that is configured to reduce (or eliminate) the reactivity of contaminants and/or unreacted photosensitive material associated with forming a relief image on a photosensitive printing element during thermal development. The thermal developing assembly is configured to reduce (or eliminate) the reactivity of a byproduct associated with forming a relief image on a photosensitive printing element, the byproduct including but not limited to, contaminants within vapors (e.g., fumes), contaminants within condensate, unreacted photosensitive material, and combinations thereof.
Abstract: A system for preparing a photopolymer printing plate includes an imager, a plate unloader configured to automatically unload the plate from the imager and deliver the plate to an exposure unit comprising a plurality of UV LEDs, and a controller configured to operate the imager, the plate unloader, and the exposure unit. The imager has a rotatable drum configured to rotate while laser beams ablate portions of an ablatable layer of the printing plate in accordance with imaging data. The UV LEDs include a back array and a front array configured to expose the front of the UV-curable plate, at least one of which is configured to emit UV radiation toward the plate during relative motion between the plate and the array.
Abstract: Dielectrically positive liquid-crystalline media comprising a compound of the formula TINUVIN 770 and optionally one or more compounds of formula I, in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays, especially active-matrix displays and in particular TN, IPS and FFS displays, containing these media.
Abstract: Polymerizable compounds, to processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, and 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 polymer sustained alignment type, or a stabilizers in LC media and LC displays.
Type:
Grant
Filed:
October 28, 2016
Date of Patent:
April 26, 2022
Assignee:
MERCK PATENT GMBH
Inventors:
Qiong Tong, Helga Haas, Alexander Hahn, Kaja Christina Deing, Christoph Marten
Abstract: Liquid-crystalline media having one or more compounds of formula C and high-frequency components containing these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas (e.g. phased array antennas).
Abstract: A liquid crystal (LC) medium comprising a polymerizable compound, a process for its preparation, its use for optical, electro-optical and electronic purposes, such as LC displays, including LC displays of the polymer sustained alignment (PSA) type, and LC displays, including PSA displays, comprising the LC medium.
Abstract: A lithographic printing plate precursor including an image recording layer on a hydrophilic support, in which the image recording layer includes a polymerization initiator, an infrared absorbent, a polymerizable compound, and an acid color former, and the infrared absorbent includes a compound represented by Formula 1, as well as a method of preparing a lithographic printing plate by use of the lithographic printing plate precursor.
Abstract: A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an aromatic polyether-based compound.
Abstract: Provided is a fluorine-containing polymer which has no perfluoroalkyl group of 4 or more carbon atoms and which, when formed together with a photoacid generator into a film, shows water repellency after film formation, but becomes hydrophilic by the action of an acid generated under light irradiation, and thus serves as a pattern forming material capable of forming a film with high sensitivity and resolution. A fluorine-containing polymer according to the present invention has a repeating unit of the formula (1) where R1 is a hydrogen atom, a fluorine atom or a C1-C10 alkyl group; R2 to R5 are each independently a hydrogen atom or a C1-C10 alkyl group; X is a single bond or a divalent group; Y is a C1-C3 fluoroalkyl or carboxylate (—COOR) group; R is a C1-C3 fluoroalkyl group; and seven or less of hydrogen atoms contained in the substituent group may be substituted with fluorine.
Type:
Grant
Filed:
May 28, 2018
Date of Patent:
March 22, 2022
Assignee:
Central Glass Company, Limited
Inventors:
Yuzuru Kaneko, Tsubasa Itakura, Ryo Nadano
Abstract: A method and apparatus for improved switching speed and/or tunability for radio-frequency (RF) devices are described. In one embodiment, a liquid crystal (LC) component comprises an LC structure in a mixture with right-handed (R) and left-handed (S) chiral dopants.
Type:
Grant
Filed:
December 13, 2016
Date of Patent:
March 15, 2022
Assignee:
Merck Patent GmbH
Inventors:
Erik Shipton, Philip Sullivan, Sebastian Gauza
Abstract: 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:
Grant
Filed:
February 5, 2019
Date of Patent:
March 15, 2022
Assignee:
Merck Patent GmbH
Inventors:
Melanie Klasen-Memmer, Edward Plummer, Rocco Fortte, Helmut Haensel, Timo Uebel, Tamara Lehmann