Patents Assigned to Dexerials Corporation
  • Patent number: 12147011
    Abstract: This optical laminate includes a transparent substrate; an adhesion layer provided on at least one surface of the transparent substrate; and an optical layer provided on a surface of the adhesion layer on a side opposite to the transparent substrate, wherein the adhesion layer is formed of a metal material, and the metal material has a melting point in a range of 100° C. or more and 700° C. or less.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: November 19, 2024
    Assignee: Dexerials Corporation
    Inventors: Hitoshi Wako, Izumi Kida
  • Patent number: 12147111
    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: Grant
    Filed: July 20, 2023
    Date of Patent: November 19, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yoshihisa Shinya, Yusuke Kamata
  • Publication number: 20240379313
    Abstract: A protective element includes: a fuse element including a first end portion and a second end portion; first and second insulating members each having an opening or a separation part, the first and second insulating members being disposed in a state proximal to or in contact with the fuse element; a shielding member movable in a moving direction that allows the shielding member to insert into the opening or the separation part so as to divide the fuse element; a locking member that suppresses movement of the shielding member; a pressing member that press the shielding member; and a heat-generating body configured to heat the locking member or a fixing member of the locking member.
    Type: Application
    Filed: August 26, 2022
    Publication date: November 14, 2024
    Applicant: DEXERIALS CORPORATION
    Inventor: Yoshihiro YONEDA
  • Patent number: 12142621
    Abstract: A method of manufacturing a connection structure, connection structure, film structure, and a method of manufacturing a film structure capable of mounting an electronic component having a plurality of terminal rows on a mounting surface by using existing equipment, including: a pasting step of pasting, from a film structure including a tape-shaped base material and a connection film formed thereon, connection films having a unit region of a predetermined length in the length direction of the base material and a predetermined width in the width direction to a first or second electronic component having a plurality of terminal rows; and a connecting step of connecting terminals of the first and second electronic components through the connection films, wherein the film structure includes, in the unit region, in addition to portions corresponding to the plurality of terminal rows, a non-pasting portion in which the connection film is not pasted.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: November 12, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yusuke Tanaka, Yusuke Kamata, Hidetsugu Namiki, Manabu Suzuki
  • Patent number: 12142701
    Abstract: A semiconductor light receiving element in which a photodiode is formed on the main surface side of a first semiconductor substrate, and a cone ave mirror reflecting an incident light toward the light receiving element. The concave mirror comprises a flat first surface of the second semiconductor substrate that is transparent to the incident light, a convex surface formed in a convex shape toward the side opposite to the first surface on the second surface side opposite to the first surface, and a reflective film formed on the convex surface, and the incident light entering from the first surfaceside is reflected by the reflective film to a condensing positionnear the first surface, and the light receiving element was fixed to the first surface so as to overlap the light focusing position of the concave mirror.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: November 12, 2024
    Assignee: Dexerials Corporation
    Inventors: Takatomo Isomura, Etsuji Omura
  • Publication number: 20240352173
    Abstract: An image display device including an image display panel and a front panel that are laminated via a transparent resin layer, when a photocurable material for forming the transparent resin layer is used as a dam agent or a fill agent, the photocurable material includes a component (a), which is a (meth)acrylic acid ester component; a component (b), which is a plasticizer component; and a component (c), which is a photopolymerization initiator component in order to make it difficult to visually recognize a knit line between the dam portion and the fill portion of the transparent resin layer after curing. A difference between the refractive index of the photocured product of the component (a), which is the (meth)acrylic acid ester component and the refractive index of the plasticizer component as the component (b) is 0.02 or less.
    Type: Application
    Filed: August 18, 2022
    Publication date: October 24, 2024
    Applicant: DEXERIALS CORPORATION
    Inventors: Akira TOMOBE, Masakatsu WAKAIRO, Yoshiaki NAKATA
  • Publication number: 20240356183
    Abstract: A protective element includes: an insulating substrate; first and second electrodes provided on the insulating substrate; a heating element formed on the insulating substrate; a heating-element extraction electrode electrically connected to the heating element; a fusible conductor mounted from the first electrode to the second electrode with the heating-element extraction electrode interposed between the first and second electrodes; and an insulating protective layer which covers the heating element and includes a thermally conductive filler.
    Type: Application
    Filed: September 8, 2022
    Publication date: October 24, 2024
    Applicant: DEXERIALS CORPORATION
    Inventor: Yu NOMURA
  • Publication number: 20240321569
    Abstract: A silicon nitride film is formed on the surface of the semiconductor substrate by supplying a raw material gas containing SiH4, NH3 and N2 into a reaction chamber by a plasma-accelerated chemical vapor deposition method, the ratio of the binding energy of the Si—H bond to the binding energy of the N—H bond in the silicon nitride film is defined as the binding energy ratio, and the ratio of the supply flow rate of NH3 to SiH4 is defined as the supply flow rate ratio, the supply flow rate ratio is set so that the sum of the concentration of the N—H bond multiplied by the binding energy ratio and the concentration of the Si—H bond is minimized.
    Type: Application
    Filed: June 6, 2024
    Publication date: September 26, 2024
    Applicant: Dexerials Corporation
    Inventors: Tsukasa MOURI, Etsuji OMURA
  • Patent number: 12097675
    Abstract: Provided are a cylindrical base, a master and a method for manufacturing a master enabling a uniform transfer of a fine pattern. A cylindrical base of a quartz glass having an internal strain in terms of birefringence of less than 70 nm/cm is used. A resist layer is deposited to an outer circumference surface of this cylindrical base, a latent image is formed on the resist layer, the latent image formed on the resist layer is developed and the pattern of the developed resist layer is used as a mask for etching to form a structure including concaves or convexes arranged in a plurality of rows on the outer circumference surface of the cylindrical base.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: September 24, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yutaka Muramoto, Masanao Kikuchi, Shunichi Kajiya, Takaaki Otowa, Yasuhiro Takahashi
  • Patent number: 12099221
    Abstract: An optical filter includes a transmission portion transmitting light and an absorption portion absorbing light between a plane of incidence and a plane of emission, and the volume of the transmission portion is larger than the volume of the absorption portion. For the optical filter, when the transmission spectrum S0 of light incident at an incidence angle of 0° and the transmission spectrum S60 of light incident at an incidence angle of 60° are superimposed, the transmittance (%) at an incidence angle of 60° is lower than the transmittance (%) at an incidence angle of 0° by 15% or more for a first wavelength band, and the difference between the transmittance (%) at an incidence angle of 60° and the transmittance (%) at an incidence angle of 0° is 10% or less for a second wavelength band.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 24, 2024
    Assignee: Dexerials Corporation
    Inventors: Shunichi Kajiya, Hiroshi Tazawa, Kazuhiko Noda, Kyoko Sakurai
  • Patent number: 12095259
    Abstract: Provided is a protection circuit capable of reliably preventing an overcurrent or a sneak current after cutoff to improve safety, implementing cost reduction with a device configuration simpler than conventional device configurations, and further reducing a failure rate of a device. In a protection circuit, after one of two fuse elements provided in each of a plurality of protection elements is blown due to an overcurrent flowing along a current-carrying path, a heater provided in at least one of the plurality of protection elements generates heat due to a sneak current flowing via the plurality of protection elements on the current-carrying path which is remained and the current-carrying path which is remained is cut off due to destruction of the heater.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: September 17, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yuji Furuuchi, Chisato Komori
  • Patent number: 12094676
    Abstract: This protective element includes a fusible conductor (1a), three or more electrodes (2a), (2b), (2c) electrically connected to each other via the fusible conductor (1a), and a heating element configured to heat and fuse the fusible conductor (1a).
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: September 17, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Chisato Komori, Yoshihiro Yoneda
  • Publication number: 20240304406
    Abstract: A protection element includes: a fuse element configured to be energized in a first direction, which is a direction from a first end portion of the fuse element to a second end portion of the fuse element; a shielding member including a plate-shaped part, configured to rotate around a rotation axis extending in a second direction orthogonal to the first direction, wherein the plate-shaped part viewed from the fuse element is divided to a first portion and a second portion at a contact position between the plate-shaped part and the rotation axis, and an area of the first portion and an area of the second portion are different from each other; and a case having therein a housing portion. Pressure elevation in the housing portion due to an arc discharge causes the shielding member to rotate around the rotation axis and the shielding member divides the housing portion.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 12, 2024
    Applicant: DEXERIALS CORPORATION
    Inventor: Yoshihiro YONEDA
  • Patent number: 12083713
    Abstract: There are provided a master and a method for manufacturing the master, the master having, on its outer peripheral surface, a concave-convex structure in which concavities or convexities are continuously arranged with high precision. The master includes: a substrate with a hollow cylindrical shape or cylindrical shape; and a concave-convex structure on an outer peripheral surface of the substrate. The concave-convex structure has concavities or convexities continuously arranged at a predetermined pitch in a circumferential direction of the substrate. The concavities or convexities are arranged with a predetermined phase difference between circumferential rows adjacent in an axial direction of the substrate.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: September 10, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yutaka Muramoto, Masanao Kikuchi
  • Patent number: 12087722
    Abstract: An anisotropic electrically conductive film has a structure wherein the electrically conductive particles are disposed on or near the surface of an electrically insulating adhesive base layer, or a structure wherein an electrically insulating adhesive base layer and an electrically insulating adhesive cover layer are laminated together and the electrically conductive particles are disposed near the interface therebetween. Electrically conductive particle groups configured from two or more electrically conductive particles are disposed in a lattice point region of a planar lattice pattern. A preferred lattice point region is a circle centered on a lattice point. A radius of the circle is not less than two times and not more than seven times the average particle diameter of the electrically conductive particles.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: September 10, 2024
    Assignee: DEXERIALS CORPORATION
    Inventor: Yasushi Akutsu
  • Patent number: 12083755
    Abstract: An optical device producing method includes: Step A of forming a wall portion surrounding an application region for a photocurable resin composition on an optical member or a transparent panel; Step B of applying a photocurable resin composition to the application region; Step C of forming a laminate by laminating the optical member and the transparent panel via the photocurable resin composition under a reduced-pressure atmosphere lower than atmospheric pressure; and Step D of removing babbles in the photocurable resin composition by pressurizing the laminate. In Step B, at least the height of the photocurable resin composition on the side of the wall portion is made higher than the height of the wall portion, and the photocurable resin composition is applied so that the laminate formed in Step C has a plurality of separated spaces separated by bubbles formed in the thickness direction of the photocurable resin composition.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: September 10, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yoshikazu Nagasawa, Yuko Takebayashi
  • Publication number: 20240295653
    Abstract: A reflective optical sensor (1) has first and second cases (11, 21) each equipped with first and second paraboloid mirrors (14, 24) and the symmetry axes (A1, A2) which intersect on the opposite side to the vertice (V1, V2) with respect to the focal points (F1,F2), and the light emitting element (12) is fitted at or near the focal point (F1) so as to face the first paraboloid mirror (14), the light receiving element (22) is fitted at or near the focal point (F2) so as to face the second paraboloid mirror (24), and the first and second cases (11, 21) are filled with sealing resin (2).
    Type: Application
    Filed: April 25, 2024
    Publication date: September 5, 2024
    Applicant: Dexerials Corporation
    Inventors: Akihiro TATEKOUJI, Etsuji OMURA
  • Patent number: 12076890
    Abstract: A replica master mold 10 comprises: a base material layer 11; and a surface shape body 12 formed on the base material layer 11 and having a fine irregular pattern, wherein a softening temperature of the surface shape body 12 is higher than a softening temperature of the base material layer 11.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: September 3, 2024
    Assignee: Dexerials Corporation
    Inventors: Akihiro Shibata, Shunichi Kajiya, Kazuya Hayashibe, Masanao Kikuchi
  • Patent number: 12074005
    Abstract: This protective element includes a fuse element having a first end portion and a second end portion, in which current flows from the first end portion toward the second end portion, a protruding member and a recessed member that are positioned opposing one another so as to sandwich a cutoff portion, and a pressing device that imparts an elastic force that shortens the relative distance in a first direction that represents the direction in which the protruding member and the recessed member sandwich the cutoff portion, wherein at least one pair of opposing surfaces of a protruding portion of the protruding member and a recessed portion of the recessed member that intersect the direction of current flow through the fuse element are positioned close to one another when viewed in a plan view from the first direction, and the fuse element is cut at a temperature equal to or higher than the softening temperature of the material that constitutes the fuse element.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: August 27, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yoshihiro Yoneda, Koji Sato
  • Publication number: 20240280729
    Abstract: An optical laminate, includes: a transparent substrate; at least one hard-coat layer provided on the transparent substrate, the at least one hard-coat layer being made of a resin composition; and at least one metal-oxide layer provided on the hard-coat layer, the at least one metal-oxide layer being made of a metal oxide. A concave/convex structure is formed on the metal-oxide-layer-side surface of the hard-coat layer. A height distribution of a surface of the concave/convex structure satisfies formula (1): A/1.9<P (1). When a height B of a lowest point on the surface of the concave/convex structure is defined as 0, A is a height of a highest point on the surface of the concave/convex structure, and P is a mode of the height distribution of the surface of the concave/convex structure.
    Type: Application
    Filed: May 23, 2022
    Publication date: August 22, 2024
    Applicant: DEXERIALS CORPORATION
    Inventors: Hiroshi SUGATA, Tetsuya ONO, Takaaki OTA