Patents Examined by Chanceity N Robinson
  • Patent number: 10995273
    Abstract: Polymerisable compounds, processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, 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 polymer sustained alignment type.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: May 4, 2021
    Assignee: Merck Patent GmbH
    Inventors: Dmitry Ushakov, Kaja Christina Deing
  • Patent number: 10982146
    Abstract: A liquid crystal composition including liquid crystalline compounds, polymerizable compounds, and dichroic dyes in which the polymerizable compound includes at least one compound represented by Formula (1), R11-MES-Sp11-P11??(1) in Formula (1), R11 is an alkyl group having 1 to 15 carbon atoms; MES is a mesogenic group having at least one ring, and in the ring in MES, at least one hydrogen atom is optionally substituted with -Sp11-P11; Sp11 is a single bond or an alkylene group having 1 to 10 carbon atoms, and in this alkylene group, at least one —CH2— is optionally substituted with —O—, —CO—, —COO—, —OCO—, or —OCOO—, and at least one —(CH2)2— is optionally substituted with —CH?CH— or —C?C—, and in these groups, at least one hydrogen atom is optionally substituted with a polymerizable group; P11 is a polymerizable group or a polar group, or a group having both polymerization and polarity.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 20, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Kazuhiro Ogita, Fumitaka Kondo, Yoshiharu Hirai
  • Patent number: 10983436
    Abstract: The present invention provides a negative type photosensitive resin composition having high sensitivity, excellent halftone characteristics, capability to form a small tapered pattern shape, and alkali-developability. The negative type photosensitive resin composition includes, as an alkali-soluble resin (A), at least a weakly acidic group-containing resin (A1) and an unsaturated group-containing resin (A2), the weakly acidic group-containing resin (A1) containing an acidic group having an acid dissociation constant in the range of 13.0 to 23.0 in dimethyl sulfoxide, and the unsaturated group-containing resin (A2) containing an ethylenically unsaturated double bond group.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 20, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yugo Tanigaki, Satoshi Kamemoto, Kazuto Miyoshi
  • Patent number: 10982149
    Abstract: Chiral compounds of formula I wherein the paramters have the meaning given in claim 1, liquid crystal mixtures comprising at least one chiral compound of formula I, to chiral linear or crosslinked liquid crystal polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula I, to the use of chiral compound of formula I and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and a liquid crystal display comprising a mixture comprising at least one chiral compound of formula I.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: April 20, 2021
    Assignee: Merck Patent GmbH
    Inventors: Matthias Bremer, Edward Plummer, Thomas Eichhorn, Peter Schreiner, Christian Kuehn
  • Patent number: 10975308
    Abstract: A liquid-crystalline media comprising one or more compounds of formula S where the parameters have the meaning defined in claim 1, and one or more compounds of the formula I and one or more compounds of the formula II or one or more compounds of the formula I and one or more compounds of the formula III or one or more compounds of the formula II and one or more compounds of the formula III or one or more compounds of the formula I and one or more compounds of the formula II and one or more compounds of the formula III: in which the parameters have the meaning indicated in claim 1, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: April 13, 2021
    Assignee: MERCK PATENT GMBH
    Inventors: Atsutaka Manabe, Rocco Fortte, Dagmar Klass, Renate Seeger
  • Patent number: 10961458
    Abstract: A liquid crystal composition is provided which has excellent alignment properties, improves a surface state of an optically anisotropic layer to be formed, and improves adhesiveness with a polarizer, an optical film using the same, a polarizing plate, and an image display device. The liquid crystal composition according to the present invention is a liquid crystal composition containing a copolymer having a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II), and a liquid crystal compound.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: March 30, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masaaki Suzuki, Shunya Katoh, Koji Iijima, Yuki Nakamura
  • Patent number: 10961455
    Abstract: A polymerizable liquid crystal composition for obtaining a retardation film that has high front contrast; and a liquid crystal polymer. A polymerizable liquid crystal composition which is characterized by containing a compound represented by formula (1). Exemplified are embodiments wherein in formula (1), W1 represents an alkyl group having 1-5 carbon atoms, an alkoxy group having 1-5 carbon atoms, an alkoxycarbonyl group having 1-5 carbon atoms or an alkanoyl group having 1-5 carbon atoms; Z1 represents —CH2CH2COO—; Z2 represents —OCOCH2CH2—; each of Y1 and Y2 represents a linking group; each of Q1 and Q2 represents a spacer; and each of P1 and P2 represents a polymerizable functional group.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: March 30, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Daisuke Ootsuki, Nagahisa Miyagawa
  • Patent number: 10960656
    Abstract: A negative-working infrared radiation-sensitive lithographic printing plate precursor can be imaged and developed on-press to provide a lithographic printing plate. Such precursor has an initiator composition that contains compound A of Structure (I) and one or more compounds collectively as compound B of Structure (II) or Structure (III): wherein R1, R2, R3, R4, R5 and R6 are independently alkyl groups each having 3 to 6 carbon atoms; at least one of R3 and R4 is different from R1 or R2; the difference of total number of carbon atoms in R1 and R2 and the total number of carbon atoms in R3 and R4 is 0, 1, or 2; the difference of total number of carbon atoms in R1 and R2 and the total number of carbon atoms in R5 and R6 is 0, 1, or 2; and X1, X2 and X3 are the same or different anions.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: March 30, 2021
    Assignee: EASTMAN KODAK COMPANY
    Inventors: Koji Hayashi, James Russell Matz, Satoshi Ishii, Yoshiaki Sekiguchi, Masamichi Kamiya
  • Patent number: 10948821
    Abstract: A photosensitive resin composition includes an alkali-soluble resin (A) containing at least one selected from polyimides and precursors thereof, and polybenzoxazoles and precursors thereof, and a (meth)acryl group-containing compound (B) which constitutes a polyfunctional (meth)acryl group-containing silane condensate (B1) having a weight average molecular weight of 1,000 to 20,000, and having a plurality of structures represented by Formula (1), which is a condensate of compounds having a structure represented by Formula (1) and at least one structure selected from Formula (2-1), Formula (2-2), and Formula (2-3).
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: March 16, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yohei Kiuchi, Yu Shoji, Kimio Isobe
  • Patent number: 10941344
    Abstract: A liquid crystal cell which is capable of switching between a transparent mode and a scattering mode by using a non-ionic compound as a liquid crystal additive for realizing the EHDI characteristics and has excellent performance such as a driving voltage characteristic, a haze characteristic and reliability by securing solubility of the additive for liquid crystals. Such a liquid crystal cell can be applied to various light modulation devices such as a smart window, a window protective film, a flexible display device, a light shielding plate for transparent display, an active retarder for 3D image display, or a viewing angle adjusting film.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: March 9, 2021
    Inventors: Jung Woon Kim, Eun Jung Lim, Dong Hyun Oh
  • Patent number: 10935846
    Abstract: A liquid crystal device includes a first substrate and a second substrate facing each other, a first electrode disposed between the first substrate and the second substrate and adjacent to the first substrate, a second electrode disposed between the first substrate and the second substrate and adjacent to the second substrate, a first alignment film disposed between the first electrode and the second electrode and adjacent to the first electrode, a second alignment film disposed between the first electrode and the second electrode and adjacent to the second electrode, and a liquid crystal layer disposed between the first alignment film and the second alignment film, wherein the liquid crystal layer includes a liquid crystal portion containing liquid crystal molecules, and a hydrophobic portion containing a hydrophobic material, the liquid crystal portion and the hydrophobic portion are phase-separated from each other, and the hydrophobic portion includes fluorine.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: March 2, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Yong Hae Kim, Chi-Sun Hwang, Chi-Young Hwang
  • Patent number: 10920145
    Abstract: A method for obtaining a material containing mesogenic compounds forming a liquid crystal mix with a stabilized blue phase. The method includes the steps of a) inducing the liquid crystal mix, contained in a chemical composition, to form the blue phase, then b) illuminating the chemical composition with a light beam of visible wavelength in order to trigger the polymerization of monomers contained in the chemical composition, to obtain the material comprising the liquid crystal mix in the blue phase stabilized by the polymerized monomers. The chemical composition contains a mesogenic system and a chemical photo-initiator system adapted to trigger the polymerization of the monomers when illuminated by the light beam of visible wavelength, in which the mesogenic system includes the mesogenic compounds forming the liquid crystal mix, a chiral dopant adapted to induce the blue phase, and a monomer mix comprising the monomers adapted to polymerize.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: February 16, 2021
    Assignee: Essilor International
    Inventors: Samuel Archambeau, Jean-Paul Cano, Sebastian Guaza
  • Patent number: 10921712
    Abstract: A color developing composition containing a compound represented by the Formula (1) as defined herein, a lithographic printing plate precursor including a support and an image-recording layer containing the color developing composition, a method for producing a lithographic printing plate including: exposing the lithographic printing plate precursor in an image pattern; and removing a non-exposed portion in the image-recording layer using at least one of printing ink or dampening water on a printer, and a color developing compound represented by the Formula (1) as defined herein.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: February 16, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Inasaki, Keisuke Nogoshi, Hiroaki Idei, Akio Mizuno
  • Patent number: 10913895
    Abstract: A composition having a high ?n, a wide temperature range of a liquid crystal phase, low viscosity, good solubility at a low temperature, high resistivity, a high voltage holding ratio, and stability against heat and light; a liquid crystal composition containing the composition, the liquid crystal composition having a good lens effect and good chemical stability; a liquid crystal display device including the liquid crystal composition; and a liquid crystal lens including the liquid crystal composition. The liquid crystal composition contains one or two or more compounds represented by general formula (i) and one or two or more compounds represented by general formula (ii).
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 9, 2021
    Assignee: DIC CORPORATION
    Inventors: Haruki Ohishi, Kenzo Takeishi
  • Patent number: 10894918
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: January 19, 2021
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Nils Greinert, Matthias Bremer, Konstantin Schneider, Christian Schoenefeld, Thomas Bauer
  • Patent number: 10883047
    Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula Y in which the parameters have the meanings given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula Y for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: January 5, 2021
    Assignee: MERCK PATENT GMBH
    Inventor: Atsutaka Manabe
  • Patent number: 10877319
    Abstract: Disclosed is a liquid crystal display device comprising an array substrate and an opposite substrate arranged facing the array substrate, wherein the structure of said array substrate comprises elongated and evenly spaced slit electrodes and electrode gaps between the slit electrodes, and said opposite substrate comprises a bulk electrode; and further comprises a liquid crystal composition between said array substrate and the opposite substrate. The liquid crystal display device has a higher light transmittance, such that more backlight passes through the liquid crystal display device, resulting in the liquid crystal display device having a higher luminance.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: December 29, 2020
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Xuefeng Li, Kelun Shu, Kai Xu, Lihong Gui, Qian Zhang, Zhengqiang Li, Yunxia Qiao, Qing Cui, Wenxiao Xing
  • Patent number: 10871711
    Abstract: A resist composition is provided comprising a base polymer containing an iodized polymer, and an acid generator containing a sulfonium salt and/or iodonium salt of iodized benzene ring-containing fluorosulfonic acid. When processed by lithography, the resist composition exhibits a high sensitivity, low LWR and improved CDU independent of whether it is of positive tone or negative tone.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: December 22, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi, Masahiro Fukushima, Takayuki Fujiwara
  • Patent number: 10843453
    Abstract: A composite panel for use in the manufacture of a letterpress plate has a carrier layer, with at least one photo layer which can be structured via electromagnetic radiation in a wavelength range. The photo layer is arranged on the carrier layer. The task of proposing a composite panel use in the manufacture of a letterpress plate is achieved by the fact that a barrier layer is provided. The barrier layer is arranged on the side of the photo layer opposite to the carrier layer. The barrier layer is essentially transparent in the wavelength range in which the photo layer can be structured. The present disclosure concerns a process for manufacturing a letterpress plate using at least one composite panel and a process for manufacturing a composite plate in accordance with the invention. The invention concerns the use of a composite material in a composite panel for a letterpress plate.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: November 24, 2020
    Assignee: AKK GmbH
    Inventor: Peter Kesper
  • Patent number: 10809616
    Abstract: New photoacid generator compounds (“PAGs”) are provided that comprise a cholate moiety and photoresist compositions that comprise such PAG compounds.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: October 20, 2020
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Mingqi Li, Joseph Mattia, Cheng-Bai Xu