Patents by Inventor Naoya Shibata

Naoya Shibata 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: 12103292
    Abstract: The present invention provides: a laminate which has excellent moisture-heat resistance and includes a light-absorbing anisotropic layer sandwiched between pressure sensitive adhesive layers; and an image display device using the same. The laminate includes a pressure sensitive adhesive layer, a light-absorbing anisotropic layer, and a pressure sensitive adhesive layer in this order, in which the light-absorbing anisotropic layer contains an organic dichroic substance, a thickness of the light-absorbing anisotropic layer is 5 ?m or less, the pressure sensitive adhesive layer and the pressure sensitive adhesive layer are each a pressure sensitive adhesive layer at a closest position as viewed from the light-absorbing anisotropic layer in the laminate, and H represented by Expression (I) is 10.0 or less.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: October 1, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Shibata, Yuya Hamaguchi, Takehiro Kasahara, Naoki Koito
  • Patent number: 12100434
    Abstract: A fluorine-containing ether compound represented by a formula (1) shown below. R1—(O(CH2)a)b-[A]-[B]—O—CH2—R2—CH2—R3??(1) (In the formula (1), R1 is an alkyl group which may have a substituent, or an organic group having at least one double bond or triple bond. Further, a represents an integer of 2 to 4, and b is 0 or 1. [A] is represented by a formula (2): —(OCH2CH(OH)CH2)c— (wherein c is 1 or 2). [B] is represented by a formula (3): —(O(CH2)eCH(OH)CH2)d— (wherein d is 0 or 1, and e represents an integer of 2 to 4). However, the sum of c in the formula (2) and d in the formula (3) is 2. R2 is a perfluoropolyether chain. R3 is represented by a formula (4): —(OCH2CH(OH)CH2)2—O—CH2(CH2)fOH (wherein f represents an integer of 2 to 5).
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: September 24, 2024
    Assignee: Resonac Corporation
    Inventors: Daisuke Yagyu, Tsuyoshi Kato, Ayano Asano, Natsumi Shibata, Naoya Fukumoto
  • Publication number: 20240279395
    Abstract: The present invention provides a fluorine-containing ether compound represented by following formula. R1—CH2—R2—CH2—R3—CH2—R4—CH2—R5—CH2—R6—CH2—R7 (R2, R4, and R6 are perfluoropolyether chains having the structure R3 and R5 are each independently a linking group containing one or more hydroxyl groups, and R1 and R7 are each independently Formula (2).) —O—CH2—CH(OH)—([D]—CH(OH))s-[E]-CH2OH??(2) (s is 0 or 1, [D] and [E] each independently is a chain structure consisting of a combination of 2 to 5 methylene groups and 1 oxygen atom or a chain structure consisting of 1 to 4 methylene groups, provided that, in case where s is 0 and [E] contains an oxygen atom, the number of methy ne groups contained in [E] is 3 or more).
    Type: Application
    Filed: April 7, 2022
    Publication date: August 22, 2024
    Applicant: Resonac Corporation
    Inventors: Natsumi SHIBATA, Naoya FUKUMOTO, Ayano ASANO, Tsuyoshi KATO, Takuma KURODA, Daisuke YAGYU, Chizuru KASAHARA, Yutaka TANJI
  • Patent number: 12066700
    Abstract: Provided is a viewing angle control system and an image display device which are capable of controlling the viewing angle of a display screen in a longitudinal direction and improving the visibility in a specific lateral direction. The viewing angle control system includes a polarizer, and a light absorption anisotropic layer, in which the polarizer has an in-plane absorption axis in a film, an angle ? between a transmittance central axis of the light absorption anisotropic layer and a normal line of the film is in a range of 0.1° to 45°, and an angle ? between a direction in which the transmittance central axis of the light absorption anisotropic layer is orthographically projected onto the film surface and the absorption axis of the polarizer is 0° or greater and less than 85°, greater than 95° and less than 265°, or greater than 275° and 360° or less.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: August 20, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Yoshinari, Eiichiro Aminaka, Naoya Nishimura, Naoya Shibata, Shinya Watanabe
  • Patent number: 12059884
    Abstract: Provided is an organic EL display device including an optical laminate, and a foldable device formed of the organic EL display device. The optical laminate includes a glass plate, a first pressure-sensitive adhesive layer, a polarizer layer, a second pressure-sensitive adhesive layer, and an optically anisotropic layer in this order, in which the glass plate has a thickness of less than 100 ?m, the polarizing layer is formed of a composition for forming a polarizing layer which contains a liquid crystal compound and an organic dichroic material, a distance A between the first pressure-sensitive adhesive layer and the polarizer layer is 10 ?m or less, and a distance B between the polarizer layer and the second pressure-sensitive adhesive layer is 10 ?m or less.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: August 13, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Nishimura, Naoya Shibata
  • Patent number: 12057151
    Abstract: There is provided a fluorine-containing ether compound represented by the following formula. R1—R2—CH2—R3—CH2—OCH2CH(OH)CH2O—CH2—R3—CH2—R4—R5 (in the formula, R3 represents a perfluoropolyether chain; R2 and R4 represent a divalent linking group having a polar group and may be the same or different from each other; R1 and R5 represent a terminal group bonded to an oxygen atom of R2 or R4 and may be the same or different from each other; and at least one of R1 and R5 is an organic group having 1 to 8 carbon atoms and at least one of hydrogens included in the organic group is substituted by a cyano group).
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: August 6, 2024
    Assignee: Resonac Corporation
    Inventors: Naoya Fukumoto, Tsuyoshi Kato, Katsumi Murofushi, Daisuke Yagyu, Masaki Nanko, Natsumi Shibata
  • Patent number: 12040695
    Abstract: A power conversion device includes a power conversion module, a phase change material, a heat dissipation member, a cooling mechanism, and a controller. A semiconductor switching element and a freewheeling diode configure a power conversion circuit. The phase change material is provided on a principal plane of a casing. The heat dissipation member includes a heat dissipation surface. The heat dissipation surface is overlapped with the principal plane to sandwich the phase change material. The cooling mechanism cools the heat dissipation member. The controller generates a driving signal for driving the power conversion circuit and controls the cooling mechanism. The controller includes a predetermined heating operation. The heating operation may drive the power conversion circuit, in a state that the cooling mechanism is stopped or intermittently operated, such that heat generation occurs in both the semiconductor switching element and the freewheeling diode.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 16, 2024
    Assignee: TMEIC CORPORATION
    Inventors: Naoya Shibata, Masahiro Kinoshita, Issei Fukasawa
  • Patent number: 12019336
    Abstract: Provided is an optical laminate, an image display device, and a glass composite which are capable of sufficiently shielding light emitted in a direction oblique to a normal direction of a film without occurrence of moire even in a case of being used in a combination with a high-definition image display device. The optical laminate includes, in order, at least a first light absorption anisotropic layer, a refractive index anisotropic layer formed of a one or more layers that contain a liquid crystal compound having a twisted structure, and a second light absorption anisotropic layer, in which the first light absorption anisotropic layer and the second light absorption anisotropic layer contain an anisotropic absorbing material and each have an absorption axis that is aligned at an angle of 60° to 90° with respect to a film surface.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: June 25, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Katsufumi Ohmuro, Naoyoshi Yamada, Fumitake Mitobe, Naoya Shibata
  • Patent number: 11982897
    Abstract: A liquid crystal display device includes a first polarizer, a liquid crystal cell, and a second polarizer in this order from a viewing side, in which a first light absorption anisotropic layer is disposed on the viewing side of the liquid crystal cell, a second light absorption anisotropic layer is disposed on a non-viewing side of the liquid crystal cell, the first and second polarizers each have an absorption axis in a film surface, the absorption axis of the first polarizer is orthogonal to the absorption axis of the second polarizer, an angle ?1 between a transmittance central axis of the first anisotropic layer and a normal line of the film is in a range of 0° to 45°, and an angle ?2 between a transmittance central axis of the second anisotropic layer and a normal line of the film is in a range of 0° to 45°.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: May 14, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Shibata, Naoya Nishimura, Naoyoshi Yamada, Wataru Hoshino, Shinya Watanabe
  • Publication number: 20240142682
    Abstract: A light absorption anisotropic layer which has a high S/N ratio for generating polarized light with respect to rays in an infrared wavelength region, is lightweight, and has excellent handleability, a laminate, and a sensor system including the light absorption anisotropic layer or the laminate. The light absorption anisotropic layer contains a dichroic coloring agent having a maximal absorption at a wavelength of 700 to 1500 nm, in which an average absorbance at a wavelength of 850 nm is 0.24 to 0.50 and a thickness is 5 ?m or less.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 2, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Mayumi NOJIRI, Ayako MURAMATSU, Naoya SHIBATA, Yuki HIRAI, Ryoji HIMENO, Shinichi MORISHIMA, Takashi KATOU
  • Publication number: 20240134192
    Abstract: An image projection system in which a projection image is easier to see. An image projection system includes an image projection device which emits projection light that is linearly polarized light; a screen which is irradiated with the projection light emitted from the image projection device; and a light absorption anisotropic layer which is disposed between the image projection device and the screen and through which the projection light passes, the light absorption anisotropic layer contains a dichroic substance, and a transmittance central axis of the light absorption anisotropic layer is in a direction toward the screen.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 25, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi YOSHINARI, Naoya SHIBATA, Shinya WATANABE
  • Publication number: 20240094452
    Abstract: A light absorption anisotropic layer in which, when combined with a ?/4 plate to form a circularly polarizing plate, applying the circularly polarizing plate to a display device, and displaying a display screen in black, coloration is suppressed and utilization efficiency of infrared light is high, a laminate including the light absorption anisotropic layer, a display device, an infrared light irradiation device, and an infrared light sensing device. The light absorption anisotropic layer contains an organic dichroic coloring agent, and satisfies expressions (1) to (4). (1) P(450)>99%, (2) P(550)>99%, (3) P(650)>99%, and (4) A(750)<0.2, here, P(450) represents a polarization degree at a wavelength of 450 nm, P(550) represents a polarization degree at a wavelength of 550 nm, P(650) represents a polarization degree at a wavelength of 650 nm, and A(750) represents an average absorbance at a wavelength of 750 nm.
    Type: Application
    Filed: October 4, 2023
    Publication date: March 21, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naoya SHIBATA, Takashi KATOU, Naoya NISHIMURA, Naoki KOITO
  • Publication number: 20240069264
    Abstract: Provided is a laminate capable of reducing a change in hue of a reflected image in the surroundings (for example, window glass) from an original image, suppressing a hue shift of particularly the reflected image to redness, and suppressing the reflected image from being conspicuous, a reflection prevention system including this laminate, and an image display device including this laminate. The laminate includes a polarizer having an absorption axis in an in-plane direction, a light absorption anisotropic layer containing a liquid crystal compound and a dichroic substance, and a linear polarization conversion layer, in which an angle between a transmittance central axis of the light absorption anisotropic layer and a normal line of a layer plane of the light absorption anisotropic layer is 0° or greater and 45° or less.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi YOSHINARI, Naoyoshi YAMADA, Naoya NISHIMURA, Shinya WATANABE, Naoya SHIBATA
  • Publication number: 20240004426
    Abstract: Provided is an image display device that includes a plurality of image display units disposed adjacent to each other and is capable of reducing an interval between image display surfaces of the adjacent image display units. The image display device includes a plurality of image display units and polarizers disposed on image display surface sides of the image display units, in which the image display units are disposed adjacent to each other, and the polarizers contain a dichroic substance and a liquid crystal compound.
    Type: Application
    Filed: September 7, 2023
    Publication date: January 4, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Naoyoshi YAMADA, Naoya SHIBATA
  • Publication number: 20230417971
    Abstract: A light absorption anisotropic film that displays a bright, clear image in a desired direction and makes the image invisible from other than the desired direction using an image display device, a viewing angle control system formed of the light absorption anisotropic film, and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film includes a light absorption anisotropic layer that contains a liquid crystal compound and an organic dichroic substance, where an angle between an alignment direction of a light absorption axis of the organic dichroic substance on one surface and on the other surface of the light absorption anisotropic layer and a normal line of the light absorption anisotropic layer is defined as ?A and ?B, a difference between the angle ?A and the angle ?B is 15° or less, and the angle ?A is 5° or greater and less than 45°.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 28, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi YOSHINARI, Shinya WATANABE, Naoya SHIBATA, Wataru HOSHINO
  • Publication number: 20230314854
    Abstract: A light absorption anisotropic film that displays a bright and clear image in a desired direction and makes the image invisible from a direction other than the desired direction using an image display device, a viewing angle control system formed of the light absorption anisotropic film, and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film includes a light absorption anisotropic layer, and a first alignment layer adjacent to the light absorption anisotropic layer, in which the light absorption anisotropic layer contains a liquid crystal compound and an organic dichroic substance, an angle between a transmittance central axis of the light absorption anisotropic layer and a normal line of the light absorption anisotropic layer is 5° or greater and less than 45°, and the first alignment layer is a layer in which a polymerizable liquid crystal compound is hybrid-aligned.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi YOSHINARI, Shinya WATANABE, Naoya SHIBATA, Wataru HOSHINO
  • Patent number: 11768324
    Abstract: Provided is a light absorption anisotropic layer including a dichroic substance, in which a transmittance as viewed from a front direction is high and a transmittance as viewed from an oblique direction can be lowered, a laminate, an optical film, an image display device, and a backlight module. The light absorption anisotropic layer includes a liquid crystalline compound and at least one dichroic substance, in which the dichroic substance is aligned perpendicular to the film surface, and an alignment degree of the light absorption anisotropic layer at a wavelength of 550 nm is 0.95 or more.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: September 26, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Fumitake Mitobe, Naoya Nishimura, Takashi Katou, Naoya Shibata
  • Publication number: 20230288623
    Abstract: Provided is an optical film and an optical laminate that achieve an image display device capable of an antireflection effect of external light and improvement of utilization efficiency of light emitted by a light emitting element when applied to a self-emission type image display device formed of an inorganic EL element, an organic EL element, or the like. The optical film includes a light absorption anisotropic film consisting of a cured substance of a liquid crystal composition that contains a polymerizable liquid crystal compound and a dichroic coloring agent compound, in which the light absorption anisotropic film has, in the same film surface, regions A and B where an inclination of an absorption axis with respect to a film surface is ?A and ?B, respectively, and ?A and ?B satisfy relationships of Expressions (1) |?A??B|?10° and (2) 0°??B?5°.
    Type: Application
    Filed: April 26, 2023
    Publication date: September 14, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Naoki KOITO, Naoya SHIBATA
  • Publication number: 20230213695
    Abstract: An object of the present invention is to provide a laminate which includes a light absorption anisotropic layer and an optically anisotropic layer and has excellent moisture-heat resistance, and a polarizing plate and an image display device which are formed of the laminate. The laminate of the present invention is a laminate including a light absorption anisotropic layer and an optically anisotropic layer, in which the light absorption anisotropic layer contains an organic dichroic substance, the optically anisotropic layer consists of a liquid crystal layer, an axial direction of an absorption axis of the light absorption anisotropic layer is different from an axial direction of a slow axis of the optically anisotropic layer, and the light absorption anisotropic layer and the optically anisotropic layer are directly laminated.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kunihiro ATSUMI, Naoya SHIBATA
  • Patent number: 11667842
    Abstract: Provided is a laminate, which has a polarizer and an optically anisotropic layer and is excellent in thermal durability, and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate has two substrates and a polarizing plate disposed between the two substrates, in which the polarizing plate has a polarizer and an optically anisotropic layer, the polarizer contains a polyvinyl alcohol-based resin, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by General Formula (I): L1-G1-D1-Ar-D2-G2-L2, a moisture permeability of the substrate is 10?3 g/m2·day or less, and a water content of the polarizing plate is 3.0 g/m2 or less.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: June 6, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Shibata, Nobuyuki Akutagawa, Keisuke Yoshimasa, Hiroaki Sata