Patents Examined by Chanceity N Robinson
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Patent number: 11971658Abstract: An ablation layer for a photosensitive resin for a relief printing plate, the ablation layer containing at least an acid-modified polymer and an infrared-absorbing agent and having a layer acid value as defined below of 2 mg KOH/g or more and 400 mg KOH/g or less, and a neutralized salt ratio as defined below of 0.9 or less, wherein the Layer acid value=(Acid value of the acid-modified polymer)×(Mass ratio of the acid-modified polymer to an entire ablation layer); and wherein the Neutralized salt ratio=(Number of moles of polymer wherein acid in the acid-modified polymer exists in neutralized salt state)/(Total number of moles of the acid-modified polymer).Type: GrantFiled: October 18, 2022Date of Patent: April 30, 2024Assignee: ASAHI KASEI KABUSHIKI KAISHAInventor: Norikiyo Nakagawa
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Patent number: 11970649Abstract: A liquid crystal composition with a light absorption anisotropic film that has a high alignment degree, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition contains a high-molecular weight liquid crystal compound, and a dichroic substance, where the liquid crystal compound is a copolymer having a repeating unit (1) represented by Formula (1) and a repeating unit (2) represented by Formula (2), where P1 and P2 represent the main chain of the repeating unit, L1 represents a single bond or a divalent linking group, L2 represents a single bond, a divalent alicyclic group or an aromatic group, which may have a substituent, SP1 represents a spacer group, SP2 represents an alkylene group having 10 or more atoms in the main chain, M1 represents a mesogenic group, and T1 and T2 represent a terminal group.Type: GrantFiled: May 26, 2021Date of Patent: April 30, 2024Assignee: FUJIFILM CorporationInventors: Wataru Hoshino, Hiroshi Matsuyama
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Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film
Patent number: 11965125Abstract: A compound has an excellent rate of change in HTP caused by exposure. A liquid crystal composition is formed of the compound. A cured product, an optically anisotropic body, and a reflective film can be obtained by curing the liquid crystal composition.Type: GrantFiled: January 28, 2022Date of Patent: April 23, 2024Assignee: FUJIFILM CorporationInventors: Yuko Suzuki, Keisuke Kodama -
Patent number: 11959007Abstract: The present invention relates to a novel class of polymers which can be used as dielectric material for the preparation of passivation layers in electronic devices. The polymers are prepared from polymerizable compounds having mesogenic groups and they provide excellent film forming capability and excellent mechanical properties and have a low dielectric constant and a low coefficient of thermal expansion (CTE). There is further provided a method for forming said polymers and an electronic device containing said polymers as dielectric material. Beyond that, the present invention relates to a manufacturing method for preparing a packaged microelectronic structure and to a microelectronic device comprising said packaged microelectronic structure formed by said manufacturing method.Type: GrantFiled: January 21, 2019Date of Patent: April 16, 2024Assignee: MERCK PATENT GMBHInventors: Frank Meyer, Gregor Larbig, Karsten Koppe
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Patent number: 11959006Abstract: A liquid crystal display device includes a liquid crystal panel that includes a liquid crystal layer containing a liquid crystal composition; and a light source that emits light on the liquid crystal panel, the liquid crystal composition containing at least one of a first liquid crystal compound containing a phenyl group and a conjugated bond group that forms a conjugated system continuous with the phenyl group and a second liquid crystal compound containing an alkenyl group not forming a conjugated system, the light source emitting green light having a half width of less than 50 nm.Type: GrantFiled: May 31, 2022Date of Patent: April 16, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Yasuhiro Haseba, Tomonori Yoshida
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Patent number: 11962034Abstract: A separator including: a porous polymer substrate having a plurality of pores; and a porous coating layer on at least one surface of the porous polymer substrate. The porous coating layer comprises inorganic particles, core-shell type polymer particles having a core portion and a shell portion surrounding the core portion, and a binder polymer positioned on the whole or a part of the surface of the inorganic particles and core-shell type polymer particles to connect and fix the inorganic particles and core-shell type polymer particles with one another. The core portion has a glass transition temperature, Tg, higher than the shell portion in the core-shell type polymer particles. The ratio of the average diameter of the core-shell type polymer particles to the average diameter of the inorganic particles is 80% to 200%.Type: GrantFiled: November 1, 2019Date of Patent: April 16, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hye-Jin Kwon, In-Hyouk Sung
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Patent number: 11952525Abstract: A compound having large refractive index anisotropy (?n), the effect of increasing the phase transition temperature of a liquid crystal phase, and high solubility, and showing large dielectric anisotropy (??) in a high frequency region, a composition containing the compound, a liquid crystal composition, and a device using the liquid crystal composition. The compound has large refractive index anisotropy ?n, sufficiently high Tn-i, and high compatibility with a liquid crystal composition, and shows large dielectric anisotropy in a high frequency region, and is thus useful for a material of an element of a device such as a high-frequency phase shifter, a phased array antenna, an image recognition device, a distance measuring device, a liquid crystal display device, a liquid crystal lens, a birefringent lens for stereoscopic image display.Type: GrantFiled: July 29, 2021Date of Patent: April 9, 2024Assignee: DIC CorporationInventors: Masanao Hayashi, Takaya Ikeuchi
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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: 11940732Abstract: Coating compositions comprise: a curable compound comprising: a core chosen from a C6 carbocyclic aromatic ring, a C2-5 heterocyclic aromatic ring, a C9-30 fused carbocyclic aromatic ring system, a C4-30 fused heterocyclic aromatic ring system, C1-20 aliphatic, and C3-20 cycloaliphatic, and three or more substituents of formula (1) wherein at least two substituents of formula (1) are attached to the aromatic core; provided that no substituents of formula (1) are in an ortho position to each other on the same aromatic ring of the core; a polymer; and one or more solvents, wherein the total solvent content is from 50 to 99 wt % based on the coating composition.Type: GrantFiled: April 15, 2021Date of Patent: March 26, 2024Assignee: Rohm and Haas Electronic Materials LLCInventors: Sheng Liu, James F. Cameron, Shintaro Yamada, Iou-Sheng Ke, Keren Zhang, Suzanne M. Coley, Li Cui, Paul J. LaBeaume, Deyan Wang
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Patent number: 11940735Abstract: A developer composition for a water-developable photosensitive flexographic printing original plate is disclosed, containing (a) a nonionic surfactant composed of monoalkyl ether and/or monoalkyl ester of polyethylene glycol, wherein a number of carbon atoms of the alkyl group therein is 8 to 19, and wherein an HLB value thereof is 11 to 16; and (b) one or more anionic surfactants selected from the group consisting of oleic acid metal salt, lauric acid metal salt, dodecylbenzene sulfonic acid metal salt and lauryl sulfate metal salt, wherein a content ratio of (a):(b) is 25:75 to 75:25 (mass ratio), and wherein a brushing friction coefficient on a surface of a printing original plate is 0.60 to 0.75[?], when measured in an aqueous developer containing 1% by mass of the developer composition and 99% by mass of water.Type: GrantFiled: March 27, 2020Date of Patent: March 26, 2024Assignee: TOYOBO MC CORPORATIONInventor: Hiroto Yamada
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Patent number: 11940728Abstract: A molecular resist composition and a pattern forming process. A molecular resist composition comprising a sulfonium salt having a cation of specific structure and an organic solvent has a high sensitivity and forms a resist film with improved resolution and LWR, when processed by EB or EUV lithography. The molecular resist composition does not contain a base polymer. The molecular resist composition comprising a sulfonium salt having a cation of specific partial structure has a high sensitivity and forms a resist film with improved resolution and LWR, so that the resist composition is quite useful for precise micropatterning.Type: GrantFiled: September 24, 2021Date of Patent: March 26, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masaki Ohashi, Kazuhiro Katayama, Masahiro Fukushima, Shun Kikuchi
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Patent number: 11926778Abstract: A method for producing a cholesteric liquid crystal based shell is provided. The method comprises producing a cholesteric liquid crystal shell, solidifying the cholesteric liquid crystal shell so as to obtain a solid shell and perforating the solid shell. Also provided is a cholesteric liquid crystal based solid shell comprising a perforation. A coating composition comprising a plurality of cholesteric liquid crystal based solid shells, an item comprising a tag that comprises the cholesteric liquid crystal based solid shells and a method for authenticating the item are also provided.Type: GrantFiled: October 30, 2020Date of Patent: March 12, 2024Assignee: Université du LuxembourgInventors: Yong Geng, Jan Lagerwall
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Patent number: 11926779Abstract: A liquid crystal polyester comprising a repeating unit (A1) represented by the formula (A1) and a repeating unit (A2) represented by the formula (A2). A molar ratio (phenolic hydroxyl groups derived from the repeating unit (A2)/phenolic hydroxyl groups derived from the repeating unit (A1)) is 1 or lower, as calculated by 1H-NMR. A ratio [repeating unit (A2)/repeating unit (A1)] is 1.2 or larger. The number of the repeating unit (A1) is 20% or more and the number of the repeating unit (A2) is 58% or more based on 100% of a total number of all repeating units of the liquid crystal polyester. A flow starting temperature of the liquid crystal polyester is 250° C. or more. —O—Ar11—CO—??(A1) —O—Ar12—CO—??(A2) Ar11 represents a phenylene group and Ar12 represents a naphthylene group. A hydrogen atom is optionally substituted.Type: GrantFiled: March 9, 2023Date of Patent: March 12, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinji Ohtomo, Shohei Azami, Monami Tosa, Nozomi Masui
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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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Patent number: 11914292Abstract: The photosensitive resin composition includes an alkali-soluble resin (A), an ethylenically-unsaturated monomer (B), a photopolymerization initiator (C), a solvent (D), and a pigment (E). The alkali- soluble resin (A) includes an alkali-soluble resin (A-1), wherein the alkali-soluble resin (A-1) includes a structural unit represented by formula (I-1) and a structural unit represented by formula (I-2). The photopolymerization initiator (C) includes an acylphosphine oxide compound represented by formula (III-1).Type: GrantFiled: May 5, 2021Date of Patent: February 27, 2024Assignee: eChem Solutions Corp.Inventors: Ya-Qian Chen, Yu-Chun Chen
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Patent number: 11914297Abstract: A cover film for dry film resist, includes a polyethylene film including a first mixture of high pressure low density polyethylene (LDPE) and linear low density polyethylene (LLDPE). The first mixture has an LDPE to LLDPE ratio by mass of from 90:10 to 60:40. The polyethylene film is free of a plasticizer, anti-blocking agent, slipping agent, and anti-static agent. The number of fish eyes having a minimum diameter of 0.2 mm or greater present in 100 m2 of the 19 ?m thick cover film in plan view is at most two. The polyethylene film has a thickness of from 10 to 20 ?m and a haze value of from 12 to 25%.Type: GrantFiled: June 17, 2019Date of Patent: February 27, 2024Assignee: TAMAPOLY CO., LTD.Inventors: Shinichi Oya, Toshiaki Hagiwara, Hitoshi Nakamura
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Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film
Patent number: 11905449Abstract: A compound having an excellent rate of change in HTP caused by exposure is achieved and is represented by General Formula (1). In addition, a composition is formed of the compound, and a cured product, an optically anisotropic body, or a reflective film is obtained by curing the composition.Type: GrantFiled: August 27, 2021Date of Patent: February 20, 2024Assignee: FUJIFILM CorporationInventors: Yuko Suzuki, Keisuke Kodama -
Patent number: 11894511Abstract: A cylindrical battery includes a metal can, an electrode assembly mounted in the metal can, a top cap closing an upper end of the metal can, the top cap having an exhaust hole, a safety vent located at an upper end of the electrode assembly, and a gas discharge member provided in the safety vent, in which the gas discharge member includes a thin film part having at least two thin films.Type: GrantFiled: August 5, 2020Date of Patent: February 6, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventor: Soodong Noh
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Patent number: 11891558Abstract: Solid foam structures having multiple compartments comprising mesogenic ligand-functionalized nanoparticles are provided. Compositions that include these structures, as well as methods of making the structures are also provided. The structures, compositions and methods find use in a variety of applications, such as, photonics, luminescent coatings and multi-compartment encapsulation technologies.Type: GrantFiled: October 17, 2018Date of Patent: February 6, 2024Assignee: The Regents of the University of CaliforniaInventors: Linda Hirst, Tayebeh Riahinasab, Benjamin J. Stokes
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Patent number: 11891557Abstract: Isothiocyanato tolane derivatives of formula I-1 and liquid-crystalline media comprising same are suitable for use in high-frequency components, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.Type: GrantFiled: September 11, 2018Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Beate Schneider, Carsten Fritzsch, Michael Wittek, Dagmar Klass