Patents Assigned to Dexerials Corporation
  • Publication number: 20230369531
    Abstract: A method of manufacturing a display device capable of reducing tact time includes: a transfer step of arranging an anisotropic conductive adhesive layer provided on a base material that is transparent to laser light and a wiring board to face each other, and irradiating laser light from the base material side so that individual pieces of the anisotropic conductive adhesive layer are transferred to and arranged at predetermined positions on the wiring board; and a mounting step of mounting light-emitting elements on the individual pieces arranged at the predetermined positions on the wiring board. The individual pieces of the anisotropic conductive adhesive layer are able to be transferred and arranged with high precision and high efficiency by irradiation of laser light.
    Type: Application
    Filed: March 23, 2022
    Publication date: November 16, 2023
    Applicants: DEXERIALS CORPORATION, SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daiki NODA, Reiji TSUKAO, Toshiki SHIRAIWA, Kazumu WATANABE, Naoki HAYASHI, Hiroshi YAMAOKA, Satoki NAKADA, Takeshi SAITO, Nobutaka UEMORI
  • Publication number: 20230359078
    Abstract: A thin image display device is provided which is free from display defects caused by the deformation of an image display part and can display high brightness and high contrast images. The image display device includes an image display part, a light-transmitting protective part arranged on the image display part, and a cured resin layer interposed between the image display part and the protective part. The cured resin layer has a light transmittance in the visible region of 90% or more and a refractive index (nD) of 1.45 or more and 1.55 or less.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Yoshihisa SHINYA, Yusuke KAMATA
  • Publication number: 20230348679
    Abstract: A thermally conductive sheet includes: a binder resin; and a first thermally conductive filler oriented in a thickness direction of the thermally conductive sheet. The thermally conductive sheet has a contact thermal resistance with regard to an adherend of 0.46° C.·cm2/W or less. The first thermally conductive filler is preferably a fibrous thermally conductive filler and/or a flaky thermally conductive filler. The thermally conductive sheet preferably further includes a second thermally conductive filler which is at least one selected from a group consisting of alumina, aluminum, zinc oxide, boron nitride, aluminum nitride, graphite, and a magnetic powder.
    Type: Application
    Filed: August 6, 2021
    Publication date: November 2, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Keisuke ARAMAKI, Yuma SATO, Yusuke KUBO
  • Patent number: 11804347
    Abstract: Provided is a protecting device that can prevent damage of the device by releasing the pressure inside the housing by providing openings in the housing and can secure appropriate insulation. The protecting device includes: a meltable conductor 3; first and second external connection terminals 7, 8 connected to both ends of the meltable conductor 3; and a housing 6 having a lower case 4 and an upper case 5, wherein one end of the first external connection terminal 7 and one end of the second external connection terminal 8 are led out from the housing 6, and the housing is provided with a first opening 24 formed facing a front surface of the first external connection terminal 7 and a second opening 25 formed facing a front surface of the second external connection terminal 8.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 31, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Yuji Kimura, Chisato Komori
  • Publication number: 20230339720
    Abstract: Provided is a reel member and an adhesive film winding body capable of suppressing sticking and blocking and preventing falling off. A real member includes: a winding core 3 around which an adhesive film 2 is to be wound; a pair of reel flanges 4 provided on both sides of the winding core 3; and a plurality of ribs 5 formed on an inner surface 4a of the reel flange 4, protruding from the inner surface 4a, and extending from the center side to the peripheral edge side of the reel flange 4, wherein in the rib 5, a rib top width W1 in contact with the adhesive film 2 is narrower than a rib base width W2 in contact with the inner surface 4a in cross-sectional view.
    Type: Application
    Filed: November 18, 2020
    Publication date: October 26, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Kazunori HAMAZAKI, Hiroyuki NAKAMURA, Tomohisa KAWAI
  • Patent number: 11795390
    Abstract: A coated phosphor including: an inorganic phosphor particle; and a silicon oxide coating that coats the inorganic phosphor particle, wherein a molar ratio (O/Si) of an oxygen atom to a silicon atom in the silicon oxide coating through ICP emission spectroscopy of the coated phosphor is 2.60 or less.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: October 24, 2023
    Assignee: Dexerials Corporation
    Inventors: Takehiro Yamasuge, Moriaki Abe, Kazuhiro Yagihashi, Tsuneo Kusunoki
  • Patent number: 11794444
    Abstract: An anisotropic conductive film capable of accommodating bumps with a narrow pitch and reducing the number density of conductive particles. In an anisotropic conductive film, conductive particles are disposed in an insulating resin binder as follows. Specifically, the conductive particles are rows of conductive particles arranged in single rows with spacing therebetween; and repeating units of conductive particles formed by juxtaposition of different numbers of conductive particles are disposed repeatedly over the entire surface of the anisotropic conductive film.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: October 24, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Reiji Tsukao, Yasushi Akutsu
  • Patent number: 11795264
    Abstract: Provided is a latent curing agent, including: porous particles supporting an aluminum chelate compound; and a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond, wherein a content of an active aluminum chelate compound is 20% by mass or greater.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 24, 2023
    Assignee: DEXERIALS CORPORATION
    Inventor: Kazunobu Kamiya
  • Patent number: 11796865
    Abstract: A conductive tape comprising a conductive particle-containing layer containing at least a binder resin layer and a plurality of conductive particles, In this conductive tape, the plurality of conductive particles are distributedly disposed independently from each other on one surface of the binder resin layer, a surface of the binder resin layer in a vicinity of each of the conductive particles has an inclination or an undulation with respect to a tangent plane of the binder resin layer in a center portion between adjacent conductive particles, in the inclination, the surface of the binder resin layer around the conductive particle is lacked with respect to the tangent plane, and in the undulation, a resin amount of the binder resin layer right above the conductive particle is smaller than that when the surface of the binder resin layer right above the conductive particle is flush with the tangent plane.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: October 24, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Masahiro Iiyama, Reiji Tsukao
  • Patent number: 11791116
    Abstract: Provided are a protecting device capable of safely and quickly interrupting a current path by restricting heat absorption to a lower case, and a battery pack using the same. A protecting device includes: a meltable conductor 3; and a housing 6 including a lower case 4 and an upper case 5, the housing being formed by joining the lower case 4 and the upper case 5, and the lower case 4 is provided with a recessed portion 23 having support portions 21 provided at opposing side edges of the recessed portion 23 and hollow portions 22 provided on the side edges substantially orthogonal to the side edges of the recessed portion 23 on which the support portions 21 are provided.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 17, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Yuji Kimura, Chisato Komori
  • Patent number: 11787976
    Abstract: A method of producing an anisotropic conductive film having a three-layer structure including a first connection layer, a second connection layer, and a third connection layer. The connection layers are each formed mainly of an insulating resin. The first connection layer is held between the second connection layer and the third connection layer.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 17, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Seiichiro Shinohara, Yasushi Akutsu
  • Patent number: 11789182
    Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: October 17, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Shunichi Kajiya, Asahiko Nogami, Kyoko Sakurai, Kazuya Hayashibe
  • Patent number: 11782200
    Abstract: Provided is a transparent substrate, a plurality of protrusions protruding from the first surface of the transparent substrate; and an antireflection film laminated on the second surface opposite to the first surface of the transparent substrate, wherein the plurality of protrusions are periodically arranged at a pitch shorter than a wavelength of light in a use band, each of the protrusions extends in in a first direction and includes a reflective layer, a dielectric layer, and an absorption layer in order from the first direction, the antireflection film has high refractive index layers and low refractive index layers that are alternately laminated, and the antireflection film is an ion beam assisted vapor deposition film or an ion beam sputtering film.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: October 10, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Tomu Takeda, Hiroyuki Takahashi
  • Patent number: 11784154
    Abstract: An anisotropic conductive film has a three-layer structure in which a first connection layer is sandwiched between a second connection layer and a third connection layer that each are formed mainly of an insulating resin. The first connection layer has a structure in which conductive particles are arranged in a single layer in the plane direction of an insulating resin layer on a side of the second connection layer, and the thickness of the insulating resin layer in central regions between adjacent ones of the conductive particles is smaller than that of the insulating resin layer in regions in proximity to the conductive particles.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: October 10, 2023
    Assignee: DEXERIALS CORPORATION
    Inventor: Seiichiro Shinohara
  • Publication number: 20230317393
    Abstract: A protective element includes: a fuse element cuttable by energization in a first direction; a slider made of an insulating material, including: a plate-shaped portion extending in the first direction; a shielding portion erected in a second direction on the plate-shaped portion, having a shielding-portion through hole penetrating the shielding portion; and a case made of an insulating material, including a housing portion which houses a slider and a portion of the fuse element. The housing portion includes: a shielding-portion housing space which houses the shielding portion such that the shielding portion is movable in the second direction; and a plate-shaped-portion moving space which houses the plate-shaped portion such that the plate-shaped portion is movable in the second direction Prior to the fuse element being cut, the slider and the fuse element are housed such that the fuse element is inserted into the shielding-portion through hole.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 5, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Yoshihiro YONEDA
  • Patent number: 11772358
    Abstract: A filler-containing film has a structure in which fillers are held in a binder resin layer. The average particle diameter of the fillers is 1 to 50 ?m, the total thickness of the resin layer is 0.5 times or more and 2 times or less the average particle diameter of the fillers, and the ratio Lq/Lp of, relative to the minimum inter-filler distance Lp at one end of the filler-containing film in a long-side direction, a minimum inter-filler distance Lq at the other end at least 5 m away from the one end in the film long-side direction is 1.2 or less. The fillers are preferably arranged in a lattice form.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: October 3, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Reiji Tsukao, Shinichi Hayashi, Seiichiro Shinohara, Yusuke Tanaka
  • Patent number: 11773208
    Abstract: A cationic curable composition that generates a silanol group by light irradiation and is cured by heat, the cationic curable composition including: a cationic curable component; porous particles holding an aluminum chelate; and a photodegradable silicon compound that generates a silanol group by photodegradation.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: October 3, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Kazunobu Kamiya, Hiroki Shibuya
  • Publication number: 20230307252
    Abstract: A joined body production method includes subjecting a first electronic component and a second electronic component to thermocompression bonding via a hot-melt adhesive sheet. The hot-melt adhesive sheet includes a binder and solder particles. The binder includes a crystalline polyamide resin having a carboxyl group. A melting point of the solder particles is 30° C. to 0° C. lower than a temperature of the thermocompression bonding. When melt viscosities of the hot-melt adhesive sheet are measured under a condition of a heating rate of 5° C./min., the hot-melt adhesive sheet has a ratio of a melt viscosity at 40° C. lower than the temperature of the thermocompression bonding to a melt viscosity at 20° C. lower than the temperature of the thermocompression bonding of no less than 10.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 28, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Hiroyuki KUMAKURA, Tomoyuki ABE
  • Patent number: 11760927
    Abstract: A green phosphor including: (i) an inorganic phosphor particle; and (ii) neodymium-containing particles attached on a surface of the inorganic phosphor particle, wherein the green phosphor has a light-emission local maximum wavelength in a range of from 500 nm to 570 nm.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: September 19, 2023
    Assignee: Dexerials Corporation
    Inventors: Takehiro Yamasuge, Tsuneo Kusunoki, Moriaki Abe, Masahide Daimon
  • Publication number: 20230287246
    Abstract: A method for manufacturing a joined body includes subjecting a first electronic component and a second electronic component to thermocompression bonding with a hot-melt adhesive sheet interposed therebetween. The hot-melt adhesive sheet includes a binder and electroconductive particles. The binder includes a crystalline polyamide resin and a crystalline polyester resin. When a melt viscosity of the hot-melt adhesive sheet is measured under a condition of a heating rate of 5° C./min. the hot-melt adhesive sheet has a ratio of a melt viscosity at 20° C. lower than a thermocompression bonding temperature to a melt viscosity at the thermocompression bonding temperature of 10 or higher.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 14, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Hiroyuki KUMAKURA, Tomoyuki ABE