Patents Examined by Prashant J Khatri
  • Patent number: 11912010
    Abstract: A glass substrate comprises a glass clad layer fused to a glass core layer. The glass core layer comprises a core glass composition having an average core coefficient of thermal expansion (CTEcore) and the glass clad layer comprises a clad glass composition having an average clad coefficient of thermal expansion (CTEclad) that is less than the CTEcore. A maximum tensile stress in the glass core layer is less than 15 MPa.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: February 27, 2024
    Assignee: CORNING INCORPORATED
    Inventors: Petr Gorelchenko, Jin Su Kim, Lu Zhang
  • Patent number: 11904576
    Abstract: A high-performance multilayer films for packaging and the structure of the multilayer film is as follows: PO2/POY/PO1/POX/PO3 and PO2/POY/PO1/TIE2/PO3. The multilayer film is obtained by multilayer coextrusion and biaxial stretching. The total thickness of the multilayer film is 8 to 100 micrometers; the absolute values of the differences of the solubility parameters between the PO1 layer and the PO2 layer and between the PO2 layer and PO3 layer is greater than 0.5 (J·cm?3)1/2, and the absolute value of the difference of the cohesive energy density is greater than 5 J/cm3.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: February 20, 2024
    Assignee: JIAPU INNOVATIVE FILM (KUNSHAN) CO., LTD.
    Inventors: Jialiang Xia, Xuewen Gao, Yu Xia, Minyan Tang
  • Patent number: 11899167
    Abstract: Provided are a polyester film, a laminated film, and the like for protecting an organic EL module of a foldable display each of which is free of occurrence of a crack at a folding portion thereof, in order to provide a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polyester film for protecting an organic EL module of a foldable display satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: February 13, 2024
    Assignee: TOYOBO CO., LTD.
    Inventors: Shotaro Nishio, Kiwamu Kawai, Akira Shimizu
  • Patent number: 11898071
    Abstract: Provided is a pressure-sensitive adhesive sheet for semiconductor wafer processing that is excellent in adhesiveness with a semiconductor wafer, and that has light peelability and suppresses adhesive residue. The pressure-sensitive adhesive sheet for semiconductor wafer processing includes in this order: a base material; an intermediate layer; and a UV-curable pressure-sensitive adhesive layer. The intermediate layer has a storage modulus of elasticity at room temperature, G?1RT, of from 300 kPa to 2,000 kPa, and a storage modulus of elasticity at 80° C., G?180, of from 10 kPa to 500 kPa. The UV-curable pressure-sensitive adhesive layer has a storage modulus of elasticity at room temperature, G?2RT, of from 100 kPa to 1,000 kPa, and a storage modulus of elasticity at 80° C., G?280, of from 10 kPa to 1,000 kPa. G?1RT/G?2RT is 1 or more.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: February 13, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Mariko Teshiba, Hiroki Kono
  • Patent number: 11897980
    Abstract: Provided are: a laminated resin sheet for molding, which is less likely to cause an abnormal appearance during molding, and has an anti-glare layer but has excellent transparency; and a molded article using the same. This laminated resin sheet for molding comprises: a high-hardness resin layer containing a high-hardness resin; a base material layer which contains a polycarbonate resin (a1) and is disposed on one surface side of the high-hardness resin layer; and a hard coat anti-glare layer disposed on the other surface side of the high-hardness resin layer, wherein the glass transition point (Tg1) of the high-hardness resin and the glass transition point (Tg2) of the polycarbonate resin (a1) satisfy the following relationship, and the maximum valley depth (Rv) of the recesses and protrusions of the hard coat anti-glare layer is at most 0.9 ?m ?10° C.?(Tg1?Tg2)?40° C.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: February 13, 2024
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Masato Takasaki, Atsuhiro Tokita
  • Patent number: 11890841
    Abstract: Provided are an acrylic resin layer laminate having excellent impact resistance and a manufacturing method of the same. The laminate includes a first acrylic resin layer, a thermoplastic resin layer, and a second acrylic resin layer in this order, in which the thermoplastic resin layer contains 71% or more of a component having a spin-spin relaxation time T2H in pulse NMR measurement of 0.03 ms or longer. The manufacturing method of the laminate includes: discharging, from a die, a molten resin laminate containing at least a melt of a resin composition (1) containing a (meth)acrylic resin, a melt of a resin composition containing a thermoplastic resin, and a melt of a resin composition (2) containing a (meth)acrylic resin; and cooling the discharged molten resin laminate to obtain a laminate.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: February 6, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masakazu Sumida, Shota Konishi, Kensuke Maekawa, Noboru Kondo
  • Patent number: 11880051
    Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: January 23, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Yoshitaka Sugawara, Masaki Hayashi
  • Patent number: 11881326
    Abstract: The present invention is directed to coated articles. A substrate is coated with an underlayer having at a first underlayer film made of a first high refractive index material. A transparent conductive oxide layer over at least a portion of the underlayer. An embedded film is embedded within the transparent conductive oxide layer wherein the embedded film comprises a second high refractive index material.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: January 23, 2024
    Assignee: Vitro Flat Glass LLC
    Inventors: Ashtosh P. Ganjoo, Sudarshan Narayanan, Dennis J. O'Shaughnessy
  • Patent number: 11858242
    Abstract: Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed. The structures comprise a film layer consisting essentially of an ethylene-based polymer and a barrier adhesive layer disposed on a surface of the film layer, wherein the structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985. Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed comprising (A) a sealant film layer consisting essentially of an ethylene-based polymer, (B) an intermediate film layer consisting essentially of an ethylene-based polymer, (C) a structural film layer consisting essentially of an ethylene-based polymer, and (D) a barrier adhesive layer, wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: January 2, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Kalyan Sehanobish, Amira A. Marine, Daniele Vinci
  • Patent number: 11852784
    Abstract: The invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and an improved light transmission in the visible range. The substrate comprises an external layer in which particles are embedded into the polymer matrix, the refractive index of the particles Rp being lower than the refractive index of the polymer matrix Rs.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: December 26, 2023
    Assignee: Essilor International
    Inventors: Pierre Fromentin, Hélène Maury, Francisco De Ayguavives, Thanisararat Saleesung
  • Patent number: 11851540
    Abstract: A laminated film which includes a first layer including a poly(amide-imide) copolymer, and a second layer laminated on at least one surface of the first layer. The second layer includes a poly(amide-imide) copolymer, polyimide, or a combination thereof, which has an amide content of less than or equal to about 30 mol %. The poly(amide-imide) copolymer included in the first layer has a weight average molecular weight of about 30,000 grams/mole to about 200,000 grams/mole, and the polyimide, the poly(amide-imide) copolymer, or the combination thereof, of the second layer has a weight average molecular weight of about 10,000 grams/mole to about 50,000 grams/mole, and the composition for preparing the laminated film.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 26, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Boreum Jeong, Chanjae Ahn, Hye Young Kong, Sun Jin Song, A Ra Jo, Kyeong-sik Ju
  • Patent number: 11845820
    Abstract: Provided is a resin composition for use in producing a resin film by solution casting, the resin composition including a methacrylic polymer that has excellent heat resistance and that allows for a high evaporation rate of a solvent when the solvent is evaporated from a cast layer in solution casting. The resin composition for use in film production by solution casting includes a methacrylic polymer (a), and the methacrylic polymer (a) is a copolymer including a methyl methacrylate unit and at least one drying-accelerating comonomer unit and has a glass transition temperature of 110° C. or higher.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: December 19, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Fuminobu Kitayama, Takuya Kamimura
  • Patent number: 11845864
    Abstract: The present application discloses interlayers comprising novel polyesteramides comprising diols with tunable properties based on the monomers and monomer ratios used to prepare the polyesteramides and varying the reaction conditions. The interlayers have improved properties and can be used in many different applications.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: December 19, 2023
    Assignee: Solutia Inc.
    Inventors: Aristotelis Karagiannis, Paul Hastings, Pu Zhang, Pinguan Zheng, Emmett Dudley Crawford, Scott Ellery George, Aireal Denise Pressley, Khanh Duc Tran
  • Patent number: 11837751
    Abstract: This polyolefin micro-porous film includes a multilayered structure, wherein the multilayered structure contains a first layer composed of polypropylene resin, a second layer composed of polyethylene resin and provided on the first layer, and a third layer composed of polypropylene resin and provided on the second layer. Furthermore, a thickness of the first layer is thinner than a thickness of the second layer, a thickness of the third layer is thinner than the thickness of the second layer, and in the multilayered structure, a thickness is 16 ?m or less, a porosity is 40 to 70%, and a surface opening ratio is 10 to 30%.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: December 5, 2023
    Assignee: UBE CORPORATION
    Inventors: Taiga Adachi, Ryou Sakimoto
  • Patent number: 11815657
    Abstract: An article is described herein that includes: a translucent substrate having a major surface; and an anti-reflective coating disposed on the major surface and forming an anti-reflective surface. The article exhibits a single side average photopic light reflectance at the anti-reflective surface of less than 0.35%. Further, the article exhibits a single side color shift (?C) of less than 6 over an incident angle range from 0 degrees to 60 degrees incidence at the anti-reflective surface, wherein the anti-reflective coating comprises a physical thickness from about 50 nm to less than 500 nm. In addition, the anti-reflective coating comprises a plurality of layers that comprises at least one low refractive index layer and at least one high refractive index layer. Further, each high refractive index layer has a refractive index of greater than 2.0 and each low refractive index layer has a refractive index of less than 1.7.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: November 14, 2023
    Assignee: Corning Incorporated
    Inventors: Shandon Dee Hart, Karl William Koch, III, Carlo Anthony Kosik Williams, Lin Lin, James Joseph Price, Nicholas M Walker
  • Patent number: 11808961
    Abstract: The disclosure relates to a composite comprising a metal film having a first major surface and opposed second major surface, at least a portion of the metal film having a sheet resistance of at least 15 ?/sq, an optical transmittance of at least 60% within the visible spectrum, and tunable bandpass filtering effect in the THz frequency range; a dielectric substrate comprising a first major surface and opposed second major surface; the metal film first major surface located on at least a portion of the dielectric substrate first major surface. The disclosure also relates to methods of making such composites and articles comprising such composites.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: November 7, 2023
    Assignee: University of Iowa Research Foundation
    Inventors: Hongtao Ding, Qinghua Wang
  • Patent number: 11801661
    Abstract: A paint substitute film comprises a base film, a colored layer, and a hard coat layer, wherein the base film, the colored layer, and the hard coat layer are laminated in this order. The base film contains thermoplastic resin and concealing material. Refractive index of the concealing material is not less than 1.70. Scattering coefficient from wavelength 400 nm to 700 nm of the base film is not less than 0.20 ?m?1. Contrast ratio of the base film when at 20% elongation is not less than 0.70.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: October 31, 2023
    Assignee: TOYOBO CO., LTD.
    Inventors: Yoshitaka Tanaka, Koji Kubo
  • Patent number: 11796718
    Abstract: The present invention relates to an optical laminate and a flexible display panel including the same, and more particularly, to an optical laminate including a self-restoration barrier adhesive layer and a flexible display panel including the same.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: October 24, 2023
    Assignees: SK Innovation Co., Ltd., SK ie technology Co., Ltd.
    Inventor: Jong Nam Ahn
  • Patent number: 11798436
    Abstract: A sealing film, comprising a carrier film and a plurality of functional layers comprising at least two color display layers and at least two adhesion-controlling layers, the sealing film having an adhesive layer for fastening to a base surface, the carrier film being at least partially detachable from the functional layers in order to bring the sealing film from a first state into a second state, at least one symbol arrangement being optically visible at least in a remainder in the second state, which at least one symbol arrangement is arranged in a first subregion and a second subregion.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: October 24, 2023
    Assignee: SECURIKETT ULRICH & HORN GMBH
    Inventor: Marietta Ulrich-Horn
  • Patent number: 11800737
    Abstract: A protective film includes a first film, a second film, and a panel protective film disposed between the first film and the second film. The panel protective film includes a first portion and a second portion spaced apart from each other along a first direction. The first portion includes a first side and a second side opposite to each other along the first direction, a third side and a fourth side opposite to each other along a second direction crossing the first direction, and a first curvilinear portion connecting the second side to the fourth side, the first curvilinear portion corresponding to first respective corners of the first film and the second film and having a curved shape. The first side faces the second portion, and the first curvilinear portion is disposed inside edges of the first film and the second film at the first respective corners thereof.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sungjune Park