Patents Assigned to Dai Nippon Printing Co., Ltd.
  • Patent number: 11971626
    Abstract: Provided are a barrier film having superior close adhesion to a phosphor layer when used for a wavelength conversion sheet, a wavelength conversion sheet having the barrier film, and a backlight and a display device including the wavelength conversion sheet. A barrier film for a wavelength conversion sheet, comprising: a barrier layer; and a primer layer, wherein the primer layer comprises a cured product of a polyurethane-based resin composition, and when a surface of an opposite side of the primer layer from the barrier layer is subjected to X-ray photoelectron spectroscopy to obtain a C1s spectrum, P2/P1 is 0.55 or more, where P1 is an area of a peak assigned to a C—C bond in the C1s spectrum and P2 is an area of a peak assigned to a C—O bond in the C1s spectrum.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: April 30, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tatsuji Nakajima, Shuichi Tamura, Takeshi Sakamoto, Ryutaro Harada
  • Patent number: 11973155
    Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity, and can also suppress unevenness in thickness at the time of integration as a solar-cell module. There is provided a sealing material sheet 1 in which there are two inflection point temperatures that are temperatures only around which a change rate of the linear expansion coefficient locally increases, a first inflection point temperature at a low temperature side of two inflection point temperatures is within a range of 55° C. to 70° C., and a second inflection point at a high temperature side of the inflection point temperatures is within a range of 80° C. to 95° C.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 30, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kosuke Saeki, Shinya Yoneda, Jun Tanaka, Hiroaki Tamaki, Shinsuke Nagino, Naohiro Obonai
  • Patent number: 11969980
    Abstract: Provided is a method for producing a decorative material, including: a preparation step of preparing sheet printed matters each including a substrate and a picture layer on one surface of the substrate and a roll of a transparent resin film having a first surface and a second surface opposing to each other, the first surface having a pattern of protrusions and depressions, the second surface having a pattern of protrusions and depressions that is shallower than the pattern of protrusions and depressions on the first surface; an application step of winding off the transparent resin film from the roll of a transparent resin film and applying an adhesive to the second surface of the transparent resin film; and a bonding step of bonding the second surface of the transparent resin film and the picture layer of each of the sheet printed matters with the adhesive.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 30, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tomomi Nakajima, Yoshiaki Netsu, Toshinaru Kayahara, Yosuke Sumida, Masataka Wada
  • Patent number: 11971567
    Abstract: Provided is an optical film that can eliminate rainbow unevenness when viewed with the naked eyes and provide favorable color tone uniformity when viewed at an oblique angle. This optical film has a low-refractive index layer on a plastic film, the plastic film has a slow axis that is an axis with the largest refractive index in a plane, and a fast axis that is an axis orthogonal to the slow axis in the plane of the plastic film, and the low-refractive index layer is located on the surface of the optical film. Linearly polarized light is incident, under predetermined conditions, from a surface on a side opposite to the low-refractive index layer of the optical film, and transmitted light of the linearly polarized light is used to measure the a* value and b* value of the L*a*b* color system at 11 measurement points with different angles.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: April 30, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shosei Kubota, Hikaru Hotta, Yoshiko Tanaka, Takashi Kuroda, Akinobu Ushiyama
  • Patent number: 11968777
    Abstract: This wiring board includes a substrate having a first elastic modulus and including a first surface and a second surface positioned on the opposite side of the first surface; wiring positioned on the first surface side of the substrate and connected to an electrode of an electronic component mounted on the wiring board; and a reinforcing member having a second elastic modulus greater than the first elastic modulus and at least including a first reinforcing part that is positioned on the first surface side of the substrate or on the second surface side of the substrate and that at least partially overlaps the electronic component mounted on the wiring board when viewed along the normal direction of the first surface of the substrate.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 23, 2024
    Assignees: DAI NIPPON PRINTING CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Kenichi Ogawa, Takao Someya
  • Patent number: 11968855
    Abstract: An embodiment of the present invention provides an optical film (10) including a light-transmitting base material (11), a hard coat layer (12), and an inorganic layer (13) in this order, wherein the hard coat layer (12) is in contact with the inorganic layer (13), the hard coat layer (12) contains a binder resin (12A) and inorganic particles (12B), the hard coat layer (12) has a film thickness of 1 ?m or more, and the hard coat layer (12) has an indentation hardness of 200 MPa or more.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: April 23, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Hiroki Matsushita, Yoshimasa Ogawa, Yousuke Kousaka, Jun Sato, Keisuke Ebisu
  • Publication number: 20240124725
    Abstract: Provided is a decorative material having a design with an excellent visual effect. The decorative material has a texture region on a base material in which a plurality of projections independent of each other gather together, wherein the projections comprise a resin binder and bright flaky particles.
    Type: Application
    Filed: March 2, 2022
    Publication date: April 18, 2024
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Yuki Aoyama, Takafumi Kaida, Ryouichi Satou
  • Publication number: 20240125559
    Abstract: A body sheet for a vapor chamber includes a first body surface, a second body surface disposed opposite to the first body surface, and a penetration space extending from the first body surface to the second body surface. The penetration space extends in a first direction in plan view. As seen in a cross section perpendicular to the first direction, the penetration space includes a first opening positioned on the first body surface and a second opening positioned on the second body surface. The second opening extends from a region overlapping with the first opening in plan view to a position overlapping with the first groove in plan view.
    Type: Application
    Filed: February 2, 2022
    Publication date: April 18, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazunori ODA, Shinichiro TAKAHASHI, Takayuki OTA, Toshihiko TAKEDA, Shinya KIURA, Makoto YAMAKI, Isao INOUE
  • Publication number: 20240130081
    Abstract: A vapor chamber includes a main body sheet having a first main body surface and a second main body surface provided on an opposite side to the first main body surface, a space provided on the first main body surface of the main body sheet, a first sheet laminated on the first main body surface of the main body sheet and covering the space, and a retracted portion retracted toward the space beyond an outer periphery of the main body sheet or an outer periphery of the first sheet in a plan view.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 18, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazunori ODA, Takayuki OTA, Shinichiro TAKAHASHI, Toshihiko TAKEDA, Kohei OZAWA, Hiroshi KOI
  • Publication number: 20240130083
    Abstract: A vapor chamber in which an enclosed space is formed, and a working fluid is sealed in this space, the enclosed space including: a plurality of condensate flow paths through which a fluid that is the working fluid in a condensing state flows; and vapor flow paths through which a vapor that is the working fluid in a vaporizing state flows, wherein each of projecting parts with which each of the vapor flow paths is provided has a projecting amount varying in an extending direction of the vapor flow paths; a pitch for opening parts that allow the vapor flow paths and the condensate flow paths to communicate varies in the extending direction of the vapor flow paths; or wall parts that separate the flow paths each have a given relationship with a transverse cross section of a given flow path.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Applicant: DAI NIPPON PRINTING CO.,LTD.
    Inventors: Shinichiro TAKAHASHI, Takayuki OTA, Kazunori ODA, Toshihiko TAKEDA, Kiyotaka TAKEMATSU, Terutoshi MOMOSE, Yoko NAKAMURA
  • Publication number: 20240128481
    Abstract: A gasket member for a solid polymer fuel cell, the gasket member including at least a laminate provided with a base material layer, and an adhesion layer positioned on both sides of the base material layer, wherein the laminate has a percentage retention of elongation at break of at least 60% after being left for 300 hours in 120° C. water.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 18, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazufumi KODANI, Tsubasa KAGATA, Atsuko TAKAHAGI, Masayasu YAMAZAKI, Yoshiko KIYOHARA, Takashi NAKAMURA, Naoto TABUCHI
  • Patent number: 11960162
    Abstract: Provided is an anti-glare film excellent in anti-glare properties and capable of suppressing reflected scattered light. The anti-glare film includes an anti-glare layer, the anti-glare film having an uneven surface, wherein for an amplitude spectrum of elevation of the uneven surface, when a sum of amplitudes corresponding to spatial frequencies of 0.005 ?m?1, 0.010 ?m?1, and 0.015 ?m?1 is defined as AM1 and an amplitude at a spatial frequency of 0.300 ?m?1 is defined as AM2, AM1 is 0.070 ?m or more and 0.400 ?m or less, AM2 is 0.0050 ?m or more, and AM2<AM1.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: April 16, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Mitsuhiro Kuzuhara, Yukimitsu Iwata, Jun Tsujimoto, Shigeki Murakami, Gen Furui
  • Patent number: 11960101
    Abstract: An optical measurement device includes an optical system that focuses emitted light that is emitted from a measurement surface of a light emitting electronic display or a light emitting surface of which a speckle contrast or a sparkle contrast is to be measured; a two-dimensional sensor array having a two-dimensional sensor array surface on which the emitted light is focused, the two-dimensional sensor array capturing an image of the emitted light; and a calculation unit that calculates the speckle contrast or the sparkle contrast based on the image of the emitted light captured under an imaging condition under which a size of a light-emitting region on the measurement surface is constant, the light-emitting region contributing to formation of a diffraction limited spot of the emitted light on the two-dimensional sensor array surface.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: April 16, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Makio Kurashige, Kazutoshi Ishida, Shumpei Nishio
  • Patent number: 11958994
    Abstract: Provided is a decorative sheet having extremely good bleed-out suppression and long-term weather resistance maintenance.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 16, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Osamu Goto, Mayuko Komurasaki, Takashi Endoh, Toshiyuki Sakai, Masanori Ueno, Satoshi Furuta
  • Publication number: 20240117250
    Abstract: A photo-alignment thermosetting liquid crystal composition including: a side-chain liquid crystal polymer which contains a liquid crystal constitutional unit containing a liquid crystal moiety in a side chain and a non-liquid crystal constitutional unit containing an alkylene group in a side chain, a copolymer which contains a photo-alignment constitutional unit containing a photo-alignment group in a side chain and a thermally crosslinkable constitutional unit containing a thermally crosslinkable group in a side chain, and in which the photo-alignment constitutional unit does not contain a linear alkylene group between the photo-alignment group and a monomer unit, and a thermal crosslinking agent for bonding to the thermally crosslinkable group of the thermally crosslinkable constitutional unit.
    Type: Application
    Filed: January 21, 2022
    Publication date: April 11, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shunsuke IRIE, Ken-ichi OKUYAMA, Kazuyuki OKADA, Terutaka TAKAHASHI, Kei AKIYAMA
  • Publication number: 20240116227
    Abstract: A work holding mechanism includes a body part having a three-dimensional shape including at least a recess or a protrusion, and an adsorption part for holding a work by adsorbing the work onto the body part in conformity to the three-dimensional shape of the recess or the protrusion provided in the body part. The work is held by being adsorbed in conformity to the three-dimensional shape of the body part, and, therefore, the amount of usage of the work in a work molding system can be reduced as compared with when the work is held so as to have a flat shape.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Applicant: Dai Nippon Printing Co., LTD.
    Inventors: Kohei Ishizuka, Taisuke Uematsu, Takashi Konno, Hiroyuki Atake, Yoshiyuki Meiki, Minoru Ariyama, Masato Idegami
  • Publication number: 20240121999
    Abstract: A multilayer body for an image display device includes a wiring substrate including a substrate having transparency, and a mesh wiring layer disposed on the substrate; and a dielectric layer stacked on the wiring substrate. The dielectric layer and the substrate have a total thickness of 50 ?m or more and 500 ?m or less.
    Type: Application
    Filed: April 4, 2022
    Publication date: April 11, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Keita IIMURA, Shuji KAWAGUCHI, Kazuki KINOSHITA, Hidetoshi IIOKA, Seiji TAKE
  • Patent number: 11953857
    Abstract: An illumination apparatus using a coherent light source, comprising: a coherent light source that generates a coherent light beam, a microlens array including a collection of a large number of independent lenses; and a light beam scanning device that irradiates the light beam onto the microlens array and carries out scanning so that an irradiation position and an irradiation direction of the light beam on the microlens array changes with time. Each of the independent lenses included in the microlens array has a function of refracting light irradiated from the light beam scanning device and forming an irradiation region on a light receiving surface. The light receiving surface is not a refractive element, and is configured so that irradiation regions formed by the independent lenses become substantially a same common region on the light receiving surface. The irradiation regions being irradiated by light which is refracted by the independent lenses.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: April 9, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventor: Makio Kurashige
  • Patent number: 11953710
    Abstract: The present invention provides a display panel in which deterioration of color tone may be suppressed regardless of the reflectance of the display element.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 9, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Satoshi Emori, Takashi Kuroda
  • Publication number: 20240109360
    Abstract: The present disclosure provides a printed material having a high-definition uneven pattern including expanded portions and a method for manufacturing the printed material. A method for manufacturing a printed material includes a step of preparing a thermal transfer sheet including a substrate and a transfer layer that is disposed on one surface side of the substrate and includes a layer containing foamable particles, and a step of heating the thermal transfer sheet to transfer the transfer layer of the thermal transfer sheet in a prescribed pattern a plurality of times onto a transfer receiving body to thereby form a layered body including a plurality of the transfer layers stacked one on another.
    Type: Application
    Filed: January 17, 2022
    Publication date: April 4, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Ryoji HATTORI, Takashi ITO, Akihiro TADA