Patents Examined by Chanceity Robinson
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Patent number: 9783735Abstract: A liquid crystal display device comprises a first substrate, a second substrate which faces the first substrate, an electrode part which is provided on at least one of the first substrate and the second substrate, and a liquid crystal layer which comprises a liquid crystal composition and is provided between the first substrate and the second substrate. The liquid crystal composition includes a liquid crystal compound of Formula 1. wherein R1, R2, A11, A12, A13, A21, A22, Z11, Z12, Z13, Z21, Z22, a, b, c, d, and e are as described herein.Type: GrantFiled: March 3, 2016Date of Patent: October 10, 2017Assignees: SAMSUNG DISPLAY CO., LTD., DONGJIN SEMICHEM CO., LTD.Inventors: Si Heun Kim, Beom Soo Shin, Keun Chan Oh, Bong Hee Kim, Young Ho Seo
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Patent number: 9783481Abstract: To provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds; a liquid crystal composition containing the compound; and a liquid crystal display device including the composition. The compound is represented by formula (1): wherein, for example, Ra and Rb are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; A1, A2 and A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are single bonds, —(CH2)2—, —CH?CH—, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O— or —OCH2—; Y1 is —CF2H or —CF3; Y2 is fluorine; and a, b and d are 0, 1, 2 or 3, and c is 1 or 3.Type: GrantFiled: February 5, 2015Date of Patent: October 10, 2017Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Mayumi Goto
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Patent number: 9771475Abstract: A liquid crystal polyester composition contains: a liquid crystal polyester in an amount of 100 parts by mass as well as a fibrous filler and a plate-like filler in an amount of not less than 65 parts by mass and not more than 100 parts by mass in total. The fibrous filler in the composition has a number average fiber diameter of not less than 5 ?m and not more than 15 ?m and a number average fiber length of more than 200 ?m and less than 400 ?m. The mass ratio of the fibrous filler to the plate-like filler in the composition is not less than 3 and not more than 15. The flow starting temperature of the composition is not lower than 250° C. and lower than 314° C.Type: GrantFiled: March 18, 2013Date of Patent: September 26, 2017Assignee: Sumitomo Chemical Company, LimitedInventors: Shintaro Komatsu, Hiroshi Harada
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Patent number: 9758726Abstract: Provided are a liquid crystal cell and a use thereof. An exemplary liquid crystal cell can be implemented in a bistable mode switching between a haze mode and a non-haze mode even with low driving voltage. Such a liquid crystal cell can be applied to various optical modulation apparatus, such as a smart window, a window protection film, a flexible display element, an active retarder for a 3D visual display, and a viewing angle-controlling film.Type: GrantFiled: July 11, 2014Date of Patent: September 12, 2017Assignee: LG CHEM, LTD.Inventors: Eun Jung Lim, Jung Woon Kim, Dong Hyun Oh
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Patent number: 9758727Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.Type: GrantFiled: November 27, 2014Date of Patent: September 12, 2017Assignee: Merck Patent GmbHInventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton
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Patent number: 9751353Abstract: A photocurable relief image printing element is described. The photocurable relief image printing element comprises (a) a support layer; (b) one or more photocurable layers disposed on the support layer, wherein the one or more photocurable layers comprise: (i) a binder; (ii) one or more monomers; (iii) a photoinitiator; and (iv) an additive selected from the group consisting of phosphites, phosphines, thioether amine compounds, and combinations of one or more of the foregoing; (c) a laser ablatable masking layer disposed on the one or more photocurable layers, the laser ablatable masking layer comprising a radiation opaque material; and (d) optionally, a removable coversheet. The photocurable relief image printing element provides improved surface cure in digital relief image printing elements.Type: GrantFiled: March 31, 2016Date of Patent: September 5, 2017Inventors: Jonghan Choi, Kerry O'Brate
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Patent number: 9740103Abstract: A method of selectively exposing a liquid photopolymer printing blank to actinic radiation to create a relief image printing plate and a liquid platemaking exposure system. The method includes: (1) positioning a programmable screen programmed with an image file of a desired image between the top glass and an upper source of actinic radiation; (2) exposing the layer of liquid photopolymer to actinic radiation from the upper source of actinic radiation through the programmable screen to crosslink and cure at least a portion of the liquid photopolymer adjacent to the backing sheet and create a floor layer therein; and (3) imagewise exposing the layer of liquid photopolymer to actinic radiation from a lower source of actinic radiation through a negative of the relief image to crosslink and cure selective portions of the liquid photopolymer on the floor layer and create the relief image therein.Type: GrantFiled: November 9, 2015Date of Patent: August 22, 2017Inventor: Ryan W. Vest
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Patent number: 9740099Abstract: A method of making a relief image printing element comprising a plurality of relief printing dots. The method includes the steps of: (a) providing at least one photocurable layer disposed on the backing layer, the at least one photocurable layer being capable of being selectively crosslinked and cured upon exposure to actinic radiation, (b) imagewise exposing the at least one photocurable layer to actinic radiation to selectively crosslink and cure portions of the at least one photocurable layer; and (c) developing the relief image printing element to separate and remove uncrosslinked and uncured portions of the at least one photocurable layer to reveal the relief image therein. The at least one photocurable layer comprises (i) an ethylenically unsaturated monomer; (ii) a binder; and (iii) a photoinitiator exhibiting a quantum yield of initiation (Qi) of more than 0.05 at a 365 nm wavelength.Type: GrantFiled: November 12, 2014Date of Patent: August 22, 2017Inventor: Chouaib Boukaftane
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Patent number: 9732277Abstract: A liquid crystal cell includes substrates defining a gap and electrodes having one of (i) an in-plane geometry generating an electric field parallel with the substrates and (ii) a top-down geometry generating an electric field across the gap between the two spaced apart substrates. A liquid crystal material disposed in the gap between the substrates comprises a chiral nematic material formed by a mixture of: 1-(4-cyanobiphenyl-4?-yl)-6-(4-cyanobiphenyl-4?-yloxy)hexane (CB6OCB) or ?,?-bis(4,4-cyanobiphenyl)nonane (CB9CB) dimeric liquid crystal material; at least one additional dimeric liquid crystal material; and a chiral dopant.Type: GrantFiled: February 25, 2016Date of Patent: August 15, 2017Assignees: KENT STATE UNIVERSITY, THE UNIVERSITY COURT OF THE UNIVERSITY OF ABERDEENInventors: Oleg D. Lavrentovich, Jie V. Xiang, Sergij V. Shiyanovskii, Corrie T. Imrie, Daniel A. Paterson, John M. Storey
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Patent number: 9726971Abstract: Negatives and laminates containing negatives for exposing liquid photopolymers in UV flexographic plate making are created by printing opaque images directly onto the protective or release cover films used in plate making processes. Combining negatives and cover films in this way eliminates two layers and two interfaces in the exposure process, reducing cost and improving quality.Type: GrantFiled: September 16, 2013Date of Patent: August 8, 2017Assignee: Chemence, Inc.Inventor: John P. Maneira
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Patent number: 9719016Abstract: Disclosed are a liquid crystal (LC) medium containing a polymerisable compound, a process for its preparation, its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display.Type: GrantFiled: January 21, 2016Date of Patent: August 1, 2017Assignee: Merck Patent GmbHInventors: Ji-Won Jeong, Hyun-Jin Yoon, Eun-Kyu Lee, Min-Ok Jin, Yong-Kuk Yun
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Patent number: 9718935Abstract: A method is used to provide an electrically-conductive polyaniline patterns on a substrate. A photocurable composition is applied as a pattern, comprising a water-soluble reactive polymer comprising (a) greater than 40 mol % of recurring units comprising sulfonic acid or sulfonate groups, (b) at least 5 mol % of recurring units comprising a pendant group capable of crosslinking via [2+2] photocycloaddition. The pattern is exposed to radiation sufficient to cause crosslinking via [2+2] photocycloaddition of the (b) recurring units to form a pattern of crosslinked polymer. The crosslinked polymer is contacted with an aniline reactive composition comprising an aniline monomer and up to 0.5 molar of an aniline oxidizing agent, in a molar ratio of from 1:0.5 to 1:1.5 of the aniline monomer to the aniline oxidizing agent. A pattern of electrically-conductive polyaniline disposed within, on top of, or both within and on top of, the crosslinked polymer only.Type: GrantFiled: April 20, 2016Date of Patent: August 1, 2017Assignee: EASTMAN KODAK COMPANYInventors: Thomas B. Brust, Anne Troxell Wyand, Grace Ann Bennett, Catherine A. Falkner
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Patent number: 9713919Abstract: The invention pertains to a printing form precursor, a method of preparing a printing form from the precursor, and a process of preparing the precursor. The printing form precursor includes a photopolymerizable layer, an elastomeric layer having at least an elastomeric binder and particulate, and an actinic radiation opaque material on, adjacent, or disposed above the elastomeric layer opposite the photopolymerizable layer. The particulate is selected from specific material particles having an average diameter from 1 to 10 micron and a refractive index that is within 0.04 units of an index of refraction of the composition forming the elastomeric layer.Type: GrantFiled: July 29, 2015Date of Patent: July 25, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Robert M Blomquist, John Stephen Locke, Chi W Chiu
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Patent number: 9715051Abstract: There is provided a liquid crystal display device in which a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in the ion density (ID) are prevented and problems of display defects such as white streaks, alignment unevenness, and image sticking are overcome. In the liquid crystal display device, a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in the ion density (ID) are prevented and display defects such as image sticking are suppressed. Therefore, the liquid crystal display device is useful for active matrix liquid crystal display apparatuses that use a VA mode or a PSVA mode and can be applied to liquid crystal display apparatuses of liquid crystal televisions, monitors, cellular phones, smart phones, and the like.Type: GrantFiled: September 20, 2012Date of Patent: July 25, 2017Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Seiji Funakura, Katsunori Shimada
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Patent number: 9709888Abstract: A photosensitive resin composition for CTP flexographic printing original plate containing at least a hydrophobic polymer obtained from water-dispersible latex (A), a hydrophilic polymer (B), a photopolymerizable unsaturated compound (C), a photopolymerization initiator (D), and if necessary, rubber (E), characterized in that, the photopolymerizable unsaturated compound (C) comprises a photopolymerizable oligomer containing no hydroxyl group (C-1), a hydroxyl group-containing photopolymerizable monomer having a pentaerythritol skeleton, a dipentaerythritol skeleton or a glycerol skeleton (C-2) and, optionally, a photopolymerizable monomer containing no hydroxyl group (C-3). The content of the hydroxyl group-containing photopolymerizable monomer (C-2) is 1 to 20% by mass of the photosensitive resin composition. The content of the rubber (E) is preferably 0.5 to 15% by mass of the photosensitive resin composition.Type: GrantFiled: March 22, 2013Date of Patent: July 18, 2017Assignee: TOYOBO CO., LTD.Inventors: Hiroto Yamada, Yukimi Yawata, Kazuya Yoshimoto
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Patent number: 9703201Abstract: A method of selectively exposing a liquid photopolymer printing blank to actinic radiation to create a relief image printing plate. The printing blank is produced by (i) placing a photographic negative on a bottom glass platen and placing a coverfilm over the negative, (ii) disposing a layer of liquid photopolymer on top of the coverfilm and negative, and (iii) placing a backing sheet over the liquid photopolymer layer. The method includes the steps of scanning a light bar across an upper surface of the liquid photopolymer printing blank through the backing sheet to cure the layer of liquid photopolymer in selected areas, creating islands of cured polymer adjacent to the backing sheet, and imaging the photopolymer through the bottom of the liquid photopolymer printing blank to crosslink and cure selective portions of the liquid photopolymer and create a relief image therein. The relief image is created on the cured islands.Type: GrantFiled: April 22, 2015Date of Patent: July 11, 2017Inventors: Ryan W. Vest, Christine Anderson
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Patent number: 9701904Abstract: A liquid crystal composition contains an achiral component T and a chiral dopant and exhibiting an optically isotropic liquid crystal phase. The achiral component T contains at least one compound represented by formula (1). In formula (1), R1 is alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons, or alkoxy having 1 to 11 carbons, ring A1 and ring A2 independently represent one of the following formulae: Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —COO—, —CF2O— or —CH?CH—, X1 is hydrogen, halogen, —CF3, —OCF3 or —C?N, L1, L2, L3 and L4 are independently hydrogen or halogen, and i is 0, 1 or 2.Type: GrantFiled: December 28, 2015Date of Patent: July 11, 2017Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Hiroki Ookawa, Akihiro Takata, Koki Sago
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Patent number: 9703198Abstract: Negatives, and laminates containing negatives, for exposing liquid photopolymers in UV flexographic plate making are created by printing opaque images directly onto the protective or release cover films used in plate making processes. Combining negatives and cover films in this way eliminates two layers and two interfaces in the exposure process, reducing cost and improving quality. By bringing the negative images as close as possible to the liquid photopolymer, printed dots of “digital quality” are created.Type: GrantFiled: March 9, 2016Date of Patent: July 11, 2017Assignee: Chemence, Inc.Inventor: John P. Maneira
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Patent number: 9690195Abstract: Lithographic printing plates and processes for preparing the lithographic printing plates are provided. The plates have excellent printing durability, staining resistance and staining resistance over time. The lithographic printing plate precursor includes: a substrate; a photosensitive layer provided on the substrate; and an extra layer optionally provided between the substrate and the photosensitive layer. The photosensitive layer or the extra layer adjacent to the substrate contains (A) a copolymer. The copolymer (A) includes: (a1) a repeating unit of formula (a1-1) below in a side chain, and (a2) a repeating unit having at least one of the structures represented by formulae (a2-1) to (a2-6) shown in the specification in a side chain. L1, Z1, R1, and R21, R22 and R23 in formula (a1-1) and the variables in formulae (a2-1) to (a2-6) are as defined in the specification.Type: GrantFiled: October 21, 2014Date of Patent: June 27, 2017Assignee: FUJIFILM CorporationInventor: Hiroyuki Suzuki
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Patent number: 9683170Abstract: There is provided a liquid crystal composition which is suitably used in a liquid crystal display device without impairment of properties inherent in liquid crystal display devices. There is provided a liquid crystal display device in which such a liquid crystal composition is used. There is provided a liquid crystal composition having a negative dielectric anisotropy and containing a compound represented by Formula (I-1) and at least one compound represented by General Formula (II) and also provided a liquid crystal display device in which such a liquid crystal composition is used.Type: GrantFiled: March 26, 2013Date of Patent: June 20, 2017Assignee: DIC CORPORATIONInventors: Yoshinori Iwashita, Makoto Negishi