Patents by Inventor Atsushi Kishi

Atsushi Kishi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11966075
    Abstract: There is provided an optical member that can achieve a backlight unit excellent in brightness uniformity. The optical member includes: a light guide plate having an end surface that light from a light source enters, an emitting surface from which the entered light is emitted, and a light extraction pattern arranged on a surface opposite to the emitting surface; and a reflective plate bonded to the light guide plate via a double-sided pressure-sensitive adhesive film. An outer edge of the light guide plate is positioned outside an outer edge of the double-sided pressure-sensitive adhesive film, and the outer edge of the double-sided pressure-sensitive adhesive film is positioned outside an outer edge of the light extraction pattern.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: April 23, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
  • Publication number: 20240101870
    Abstract: The present invention provides a void-containing layer in which a pressure-sensitive adhesive or an adhesive is less liable to penetrate into voids. A void-containing layer of the present invention, includes: particles chemically bonding to each other, wherein the void-containing layer has a void fraction of 35 vol % or more, the particle is an inorganic-organic composite particle in which an organic group is bonded to an inorganic compound, the organic group includes a R1 group which is a linear or branched alkyl group and a R2 group which is a group containing a carbon-carbon unsaturated bond, and a molar ratio of the R2 group relative to a sum of the R1 group and the R2 group is from 1 to 30 mol %.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 28, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Ryota Morishima, Atsushi Kishi
  • Patent number: 11904411
    Abstract: Provided is a method of producing a thin glass resin laminate piece, which includes cutting a thin glass resin laminate through laser processing, and by which a thin glass resin laminate piece capable of preventing the occurrence of air bubbles when bonded to an adherend can be obtained. The method of producing a thin glass resin laminate piece of the present invention includes a step of subjecting a thin glass resin laminate including a thin glass, a resin layer, and a pressure-sensitive adhesive layer in the stated order to laser processing to cut the laminate, wherein a thickness (?m) of the pressure-sensitive adhesive layer and a creep characteristic (?m/Hr) of the pressure-sensitive adhesive layer have a relationship of (thickness (?m))2×creep characteristic (?m/Hr)?50×103 (?m2·?m/Hr).
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: February 20, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Atsushi Kishi, Takeshi Murashige, Satoshi Hirata
  • Patent number: 11897233
    Abstract: A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10?3?P1/P2?1.0.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 13, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
  • Patent number: 11891549
    Abstract: There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces, which is suppressed damage from occurring to a low-refractive index layer in vacuum lamination while maintaining excellent characteristics of the low-refractive index layer. An optical laminate with pressure-sensitive adhesive layers on both surfaces according to an embodiment of the present invention comprises: a substrate; a low-retractive index layer formed on the substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 50% or more, the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×105 (Pa) to 1.0×107 (Pa), and the second pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×105 (Pa) or less.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 6, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Atsushi Kishi, Ryota Morishima
  • Patent number: 11873179
    Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 16, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Patent number: 11834288
    Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: December 5, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Publication number: 20230350129
    Abstract: A backlight unit includes: a light source; a light guide plate arranged to face the light source, having an end surface that light from the light source enters; and an emitting surface from which the entered light is emitted; a reflective plate bonded to a back surface side of the light guide plate via a double-sided pressure-sensitive adhesive film; and a casing having a front portion and a back portion, the casing configured to store the light source, the light guide plate, and the reflective plate. The backlight unit is configured so that light from the light source is free from entering a space between the low-refractive index layer and the reflective plate, or so that light that has entered the space between the low-refractive index layer and the reflective plate from a light source is free from being emitted from the emitting surface of the light guide plate.
    Type: Application
    Filed: March 29, 2021
    Publication date: November 2, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro YOSHIKAWA, Daisuke HATTORI, Ryota MORISHIMA, Atsushi KISHI
  • Publication number: 20230312991
    Abstract: An optical laminate includes: a low-refractive index layer; a first pressure-sensitive adhesive layer arranged adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 40 vol % or more; the first pressure-sensitive adhesive layer has a storage modulus of elasticity at 23° C. of from 1.0×105 (Pa) to 1.0×107 (Pa); the second pressure-sensitive adhesive layer has a storage modulus of elasticity at 23° C. of 1.0×105 (Pa) or less; a ratio of a thickness of the low-refractive index layer to a total thickness of the pressure-sensitive adhesive layers present in the optical laminate with pressure-sensitive adhesive layers on both surfaces is from 0.10% to 5.
    Type: Application
    Filed: March 23, 2021
    Publication date: October 5, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Ryota Morishima, Takahiro Yoshikawa, Atsushi Kishi
  • Publication number: 20230278318
    Abstract: A multilayer structure includes one or more resin layers; and a glass layer laminated over the resin layers via bonding layers, wherein when ?0 is a critical radius of curvature at which the glass layer does not break even though the multilayer structure being bent so that the glass layer is inside, a ratio t/?0 of a thickness t of the glass layer to the critical radius of curvature ?0 is 0.001 or more and 0.02 or less.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 7, 2023
    Applicant: Nitto Denko Corporation
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Publication number: 20230152509
    Abstract: Provided is an optical member, which is suppressed from causing a reduction in display quality due to wear or a flaw resulting from its vibration while maintaining the excellent characteristics of its low-refractive index layer. The optical member includes: a light guide plate having an end surface that light from a light source enters and an emitting surface from which the entered light is emitted; and a reflective plate bonded to a side of the light guide plate opposite to the emitting surface via a double-sided pressure-sensitive adhesive film. The double-sided pressure-sensitive adhesive film includes a first pressure-sensitive adhesive layer, a low-refractive index layer, and a second pressure-sensitive adhesive layer from the light guide plate side. The optical member further includes a surface-treated layer formed on a side of the reflective plate opposite to the double-sided pressure-sensitive adhesive film.
    Type: Application
    Filed: March 25, 2021
    Publication date: May 18, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
  • Publication number: 20230140962
    Abstract: A multilayered structure includes a plurality of laminated portions arranged on a base material, wherein the laminated portions each include a resin layer, a glass layer, laminated over the resin layer via an adhesive laver, and a metal layer formed on a surface of the glass layer, the surface being oriented toward the adhesive layer, wherein a thickness of the glass layer is 10 ?m or more and 300 ?m or less, and a thickness of the resin layer is 10 ?m or more and 1000 ?m or less.
    Type: Application
    Filed: March 10, 2021
    Publication date: May 11, 2023
    Applicant: Nitto Denko Corporation
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Patent number: 11639046
    Abstract: Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; and a resin tape arranged on at least one surface of the elongated glass film, wherein the resin tape is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film, and wherein the resin tape includes an adhesive layer, and the adhesive layer is directly arranged on the elongated glass film.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: May 2, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Atsushi Kishi, Kota Nakai, Toshihiro Kanno
  • Publication number: 20230129382
    Abstract: A backlight unit includes: a light source; a light guide plate having an end surface that is arranged to face the light source, and that light from the light source enters, and an emitting surface from which the entered light is emitted; a casing having a front portion and a back portion, the casing being configured to store the light source and the light guide plate; and an optical pressure-sensitive adhesive film arranged between the front portion of the casing on a light source side and the light guide plate, the optical pressure-sensitive adhesive film being bonded to the light guide plate. The optical pressure-sensitive adhesive film includes a light-absorbing layer, a substrate, a low-refractive index layer, and a pressure-sensitive adhesive layer in the stated order from a front portion side of the casing.
    Type: Application
    Filed: March 26, 2021
    Publication date: April 27, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Takahiro Yoshikawa, Ryota Morishima, Atsushi Kishi
  • Publication number: 20230110580
    Abstract: There is provided an optical member that can achieve a backlight unit excellent in brightness uniformity. The optical member includes: a light guide plate having an end surface that light from a light source enters, an emitting surface from which the entered light is emitted, and a light extraction pattern arranged on a surface opposite to the emitting surface; and a reflective plate bonded to the light guide plate via a double-sided pressure-sensitive adhesive film. An outer edge of the light guide plate is positioned outside an outer edge of the double-sided pressure-sensitive adhesive film, and the outer edge of the double-sided pressure-sensitive adhesive film is positioned outside an outer edge of the light extraction pattern.
    Type: Application
    Filed: March 26, 2021
    Publication date: April 13, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
  • Publication number: 20230114553
    Abstract: A disclosed multilayer structure includes a resin layer, a glass layer laminated over the resin layer, and a tension applying portion configured to apply a tension in a direction in which the resin layer extends.
    Type: Application
    Filed: March 10, 2021
    Publication date: April 13, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Publication number: 20230053803
    Abstract: A multilayer structure includes a resin layer, and a glass layer laminated on the resin layer via an adhesive layer, wherein a thickness of the glass layer is 10 ?m or more and 300 ?m or less, and an arithmetic mean waviness Wa of an interface of the resin layer and the adhesive layer is 10 ?m or less.
    Type: Application
    Filed: March 10, 2021
    Publication date: February 23, 2023
    Applicant: Nitto Denko Corporation
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Publication number: 20220413206
    Abstract: An optical member includes a light source, a first substrate to be a light guide that guides emitted light from the light source, a variable layer in contact with a predetermined surface of the first substrate, and a second substrate facing the first substrate via the variable layer. When a refractive index of the first substrate is n1, a refractive index of the variable layer can be changed to n2 or n3 (where n2>n3), and n1, n2, and n3 satisfy a relationship of |n1?n2|<|n1?n3|.
    Type: Application
    Filed: September 17, 2020
    Publication date: December 29, 2022
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kenta Watanabe, Akiko Ogasawara, Atsushi Kishi
  • Publication number: 20220413280
    Abstract: An optical component has: a planar liquid layer; and one or more light sources arranged such that light is guided to the planar liquid layer; wherein the liquid layer is configured to guide light.
    Type: Application
    Filed: September 18, 2020
    Publication date: December 29, 2022
    Applicant: Nitto Denko Corporation
    Inventors: Kenta Watanabe, Akiko Ogasawara, Atsushi Kishi
  • Publication number: 20220347977
    Abstract: A multi-layer structure includes a glass layer having a thickness of greater than or equal to 10 ?m and less than or equal to 200 ?m; and a resin layer. A number of unit lamination structures in a thickness direction of the multi-layer structure is greater than or equal to 5 and less than or equal to 20,000, the unit lamination structure being a lamination structure composed of the glass layer and the resin layer.
    Type: Application
    Filed: September 17, 2020
    Publication date: November 3, 2022
    Applicant: Nitto Denko Corporation
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi