Patents Assigned to Dai Nippon Printing Co., Ltd.
  • Publication number: 20240154222
    Abstract: A heat sealing film for bonding a receiving body and a valve device together, the heat sealing film including a heat-resistant resin layer having a melting peak temperature within a range of 150-350° C. inclusive, wherein heat shrinkage rates in MD and TD when heated in a 200° C. environment for 10 minutes are 7.0% or less.
    Type: Application
    Filed: December 27, 2021
    Publication date: May 9, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventor: Miho SASAKI
  • Patent number: 11975554
    Abstract: Provided is a thermal transfer sheet enabling printing suitability on high temperature printing to be good. A thermal transfer sheet 100 in which either one or both of a colorant layer 3 and a transfer layer 10 are provided on one face of a substrate 1, and a back face layer 20 is provided on the other face of the substrate 1, wherein a back face primer layer 25 is provided between the substrate 1 and the back face layer 20, and the back face primer layer 25 contains at least one component selected from a silicone resin, a siloxane cross-linked resin, and a silica-introduced resin.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: May 7, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Hiroto Matsui
  • Publication number: 20240145356
    Abstract: A lead frame includes a plurality of lead portions. At least a part of an upper surface of the lead portion and a sidewall surface of the lead portion is a rough surface having been subjected to roughening treatment. A value of a* in a CIELab color space of the rough surface is within a range from 12 to 19, and a value of b* is within a range from 12 to 17.
    Type: Application
    Filed: September 1, 2022
    Publication date: May 2, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Masahiro NAGATA, Kazuhiro SHINOZAKI, Masahiro YAMADA, Daisuke OKUYAMA, Chiaki HATSUTA, Kentarou SEKI, Hideto MATSUI, Kazunori OOUCHI
  • Publication number: 20240145857
    Abstract: An adhesive film for a metal terminal, which is to be interposed between a metal terminal electrically connected to an electrode of a power storage device element and a power storage device packaging material for sealing the power storage device element, wherein the adhesive film for a metal terminal has a laminate sequentially including a first polyolefin layer disposed on the metal terminal side, a base material, and a second polyolefin layer disposed on the power storage device packaging material side, at least one of the first polyolefin layer and the second polyolefin layer has a melting peak temperature of 105° C. or more and 130° C. or less, and the base material has a surface hardness of 15 N/mm2 or more, as measured in an environment at a temperature of 110° C.
    Type: Application
    Filed: April 1, 2021
    Publication date: May 2, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shinji HAYASHI, Yoichi MOCHIZUKI
  • Publication number: 20240139771
    Abstract: A functional film 1 according to an embodiment includes: a substrate (10) containing an acetyl cellulose resin; a primer layer (20) containing a filler (40) and disposed on the substrate (10); and a functional layer (30) containing the filler (40) and disposed on the primer layer (20). The substrate (10) has a permeation layer (12) formed by permeation of the resin contained in the primer layer (20) into part of the substrate (10). The permeation layer (12) has a thickness of 0.1 ?m or more and 3.5 ?m or less. The primer layer (20) has a thickness of 0.1 ?m or more and 1.0 ?m or less. The filler (40) is silica particles having an average particle size of 20 nm or more and 80 nm or less. The filler (40) in the primer layer (20) has a density of ? or more and ¾ or less of the density of the filler (40) in the functional layer (30). The primer layer (20) and the functional layer (30) each contain a resin. The resin component of the primer layer (20) is the same as the resin component of the functional layer 30.
    Type: Application
    Filed: June 10, 2022
    Publication date: May 2, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Ryuji HASHIMOTO, Toshihito SHIMIZU, Junya YAMADA
  • Publication number: 20240145929
    Abstract: A frequency selective reflector including a reflecting member reflecting the electromagnetic waves; and a dielectric layer that: is disposed at an incident side of the electromagnetic waves with respect to the reflecting member; includes a concave and convex structure in which a plurality of a unit structure including a thickness distribution of increasing thickness in a predetermined direction is arranged; and transmits the electromagnetic waves, wherein the unit structure of the dielectric layer includes a plurality of cell regions of which thickness differs from one another; the dielectric layer includes, as the unit structure, at least a first unit structure including three or more of the cell regions of which thickness differs from one another; and a reflection direction of the electromagnetic waves is controlled by controlling a relative reflection phase distribution of the electromagnetic waves by the thickness distribution of the dielectric layer.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 2, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD
    Inventors: Yuichi MIYAZAKI, Hiroyuki ASAKURA, Atsuo NAKAMURA, Takeshi SEKIGUCHI, Shigeki KAWANO
  • Publication number: 20240141213
    Abstract: A gas generating agent which generates a gas by light irradiation, which has a maximum molar absorption coefficient value of 7000 or more at a wavelength of 240 nm to 450 nm, and which contains a gas generating moiety having a specific structure and an organopolysiloxane group or a fluorinated aliphatic hydrocarbon group in which a number of carbon atoms to which a fluorine atom is directly bound is from 2 to 8 and which optionally contains an ether bond (—O—) in a carbon chain.
    Type: Application
    Filed: December 22, 2021
    Publication date: May 2, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Yohei ITO, Michihiro OGURA
  • 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: 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: 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: 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: 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: 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
  • 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: 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
  • 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