Patents Assigned to Dexerials Corporation
  • Publication number: 20230176263
    Abstract: A pseudo random dot pattern is easily created by a geometric approach. A pseudo random dot pattern 1A is created by arranging zigzag arrangements R at a predetermined pitch in an x direction on an xy plane while periodically altering positions thereof in a y direction, the zigzag arrangements R each including an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction, the arrangement Rb including dots arranged at a positive inclination, the arrangement Rc including dots arranged at a negative inclination.
    Type: Application
    Filed: February 6, 2021
    Publication date: June 8, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Reiji TSUKAO
  • Publication number: 20230159797
    Abstract: An anisotropic conductive film, capable of connecting a terminal formed on a substrate having a wavy surface such as a ceramic module substrate with conduction characteristics stably maintained, includes an insulating adhesive layer, and conductive particles regularly arranged in the insulating adhesive layer as viewed in a plan view. The conductive particle diameter is 10 ?m or more, and the thickness of the film is 1 or more times and 3.5 or less times the conductive particle diameter. The variation range of the conductive particles in the film thickness direction is less than 10% of the conductive particle diameter.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 25, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Daisuke SATO, Yasushi AKUTSU, Ryousuke ODAKA, Yusuke TANAKA
  • Patent number: 11650445
    Abstract: Provided are a method for manufacturing a transparent panel formed with a wall member having high accuracy, a uniform height from a surface to adhere to an optical member, and smoothness. This method comprises: a step of preparing a transparent panel 4 for an optical device 1 to be bonded to an optical member 2; a step of forming a mask layer 15 so as to form an opening 6 along a periphery of an outer shape of the transparent panel 4; a step of applying a curable resin material 7 to the opening 6 and the mask layer 15; a step of pressing a flat plate 10 against the curable resin material 7; a step of curing the resin composition 7 to form a cured resin layer 11; a step of detaching the flat plate 10; and a step of removing the mask layer 15 together with the cured resin layer 11 formed on the mask layer 15 to obtain a wall member 12 along the periphery of the outer shape of the transparent panel 4.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: May 16, 2023
    Assignee: DEXERIALS CORPORATION
    Inventor: Yoshikazu Nagasawa
  • Publication number: 20230146486
    Abstract: A protection element includes: an insulating substrate; a fuse element provided on the insulating substrate; a heating element to blow the fuse element; a heating element power supply electrode; a first extraction electrode leading from the heating element power supply electrode and connected to a first end of the heating element; an intermediate electrode connected to the fuse element; a heating element connecting electrode connecting the heating element and the intermediate electrode; a second extraction electrode leading from the heating element connection electrode and connected to a second end of the heating element; and an insulating layer that covers the heating element, the first extraction electrode, and the second extraction electrode, and on which the intermediate electrode is laminated. The intermediate electrode does not overlap with the first extraction electrode and overlaps with the second extraction electrode with the insulating layer interposed therebetween.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 11, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Yuji KIMURA, Chisato KOMORI
  • Patent number: 11644605
    Abstract: A polarizing element has a wire grid structure, and includes a transparent substrate, and projections, which are arrayed on the main surface of the substrate at a pitch p40 that is narrower than the wavelength of the light in the used light region, and extend along the Y-direction. The projections have a laminated structure in which two or more sets of a dielectric layer and a conductive layer are laminated alternately along the Z-direction. The conductive layers include a first conductive layer having absorption properties relative to the light in the used light region and a second conductive layer having reflective properties relative to the light in the used light region. The first conductive layer is provided as the conductive layer closest to the incident side of the light.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 9, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Tomu Takeda, Hideto Sagawa
  • Publication number: 20230128723
    Abstract: A method for fabricating an imprint master 1 comprises a first forming step of forming micro-protrusion-and-recess structures 23 having a first average pitch on one surface of a substrate 10 and a second forming step of forming main recesses 21 or main protrusions 22 having a second average pitch larger than the first average pitch on the one surface of the substrate 10 having the micro-protrusion-and-recess structures 23 formed thereon, in a manner maintaining a shape of at least a portion of the micro-protrusion-and-recess structures 23 in the main recesses 21 or the main protrusions 22 while the main recesses 21 or the main protrusions 22 are being formed.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 27, 2023
    Applicant: Dexerials Corporation
    Inventor: Masanao KIKUCHI
  • Publication number: 20230132244
    Abstract: Provided are a face shield that can easily be combined and used with various masks and a mask-equipped face shield. A face shield 1-1 is the face shield 1-1 that is attachable/detachable to/from a mask 2, and covers at least an eye of a face of a user who wears the mask 2. The face shield 1-1 is made of a film 101-1 having flexibility and translucency. At least a pair of cut lines 102L and 102R through which straps 202 of the mask 2 can be inserted are formed in both left and right parts of the face shield 1-1. The cut lines 102 have engagement parts 102a and 102b to be engaged with the straps 202 inserted through the cut lines 102.
    Type: Application
    Filed: April 23, 2021
    Publication date: April 27, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Shinya SUZUKI, Chihiro NISHIKAWA
  • Publication number: 20230126879
    Abstract: Provided is a roll mold that has a plurality of linear grooves arranged side by side on its outer peripheral surface and in which an optical step between adjacent linear grooves is sufficiently small. A roll mold comprising, on an outer peripheral surface thereof, n linear grooves extending in a roll axial direction or a direction inclined with respect to the roll axial direction and arranged side by side, where n is 800 or more, wherein the n linear grooves are arranged in a manner that a gradual decrease and a gradual increase in groove depth are repeated, and the number of points at which a transition from the decrease to the increase in groove depth occurs is m or less, where m is selected from 2 to 8.
    Type: Application
    Filed: April 5, 2021
    Publication date: April 27, 2023
    Applicant: Dexerials Corporation
    Inventors: Katsuhiro DOI, Kazuhiko NODA
  • Patent number: 11634581
    Abstract: A thermally conductive resin composition capable of maintaining high thermal conductivity and a thermally conductive sheet using the same. A thermally conductive resin composition contains: an addition reaction type silicone resin; a hindered phenol-based antioxidant; a thiol-based antioxidant; a dispersant having a hydrophilic functional group and a silicone chain; and a thermally conductive filler, wherein the thermally conductive resin composition contains 65 to 90% by volume of the thermally conductive filler.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 25, 2023
    Assignee: DEXERIALS CORPORATION
    Inventor: Masayuki Matsushima
  • Publication number: 20230124524
    Abstract: It would be helpful to provide an optical body having excellent antireflection performance over a wide wavelength range from the visible light region to the near-infrared region. The present disclosure discloses an optical body 1 including a transparent substrate 10 and a fine uneven layer 20 with a fine uneven structure in at least one surface of the substrate 10. A maximum value (Ra) of reflectance for light in a wavelength region of 400 nm to 950 nm is 1 % or less, and a wavelength at which the reflectance is at a local minimum value (Rb) is 650 nm or more.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 20, 2023
    Applicant: Dexerials Corporation
    Inventor: Hiroshi TAZAWA
  • Publication number: 20230118485
    Abstract: An anisotropic conductive film includes conductive particles disposed in an insulating resin layer. Zigzag arrangements are arranged at a predetermined pitch in an x direction on an xy plane in a plan view of the anisotropic conductive film with positions thereof in a y direction being periodically altered. The zigzag arrangements each include an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction. The arrangement Rb includes the conductive particles arranged at a positive inclination, and the arrangement Rc includes the conductive particles arranged at a negative inclination. This configuration can form a pseudo random regular disposition.
    Type: Application
    Filed: February 6, 2021
    Publication date: April 20, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Reiji TSUKAO
  • Publication number: 20230119906
    Abstract: Provided are a conductive laminate having low electric resistance and high transmittance over a long period of time, various optical elements provided with the conductive laminate, and a method for manufacturing the conductive laminate. In the conductive laminate 1 according to the present technology, a first transparent material layer 3, a metal layer 4 mainly composed of silver, and a second transparent material layer 5 are laminated on at least one surface of the transparent substrate 2 in this order from the transparent substrate 2 side. The first transparent material layer 3 is composed of a composite metal oxide containing at least zinc and tin and containing 10 atomic % or more and 90 atomic % or less of tin. The second transparent material layer 5 is composed of a metal oxide containing zinc and having a tin content of 10 atom % or less.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 20, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Hitoshi WAKO
  • Publication number: 20230118965
    Abstract: A method for manufacturing an image display device includes applying a first photo-curable resin composition to a protective panel to form a first photo-curable resin composition layer. The first photo-curable resin composition layer is irradiated with curing light to form a first cured resin layer. A second photo-curable resin composition is applied to the first cured resin layer to form a second photo-curable resin composition layer. The second photo-curable resin composition layer has a reduced or eliminated height difference, compared with the first photo-curable resin composition layer. The protective panel and an image display member are laminated via the second photo-curable resin composition layer. The second photo-curable resin composition layer is irradiated with curing light.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 20, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Yuko TAKEBAYASHI
  • Patent number: 11630254
    Abstract: To provide a polarizing plate capable of excellently controlling reflectance characteristics, a polarizing plate manufacturing method, and an optical apparatus including the polarizing plate. Provided is a polarizing plate 10 with a wire grid structure, including: a transparent substrate 1 and a grid-shaped convex portion 6 arranged on the transparent substrate at a pitch shorter than a wavelength of light of a use band and extending in a predetermined direction, wherein the grid-shaped convex portion 6 includes a reflection layer 2, a first dielectric layer 3, and an absorption layer 4 in order from the transparent substrate 1, and wherein the reflection layer and the first dielectric layer have substantially the same width and a minimum width of the absorption layer is smaller than a minimum width of the reflection layer and the first dielectric layer as viewed from a predetermined direction.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: April 18, 2023
    Assignee: Dexerials Corporation
    Inventor: Tomu Takeda
  • Publication number: 20230111821
    Abstract: An anti-reflective film laminate includes a first transparent base material, an antireflective layer, and an adhesion layer. The first transparent base material is a plastic film and has a first surface and a second surface which is a surface on a back side with respect to the first surface. The anti-reflective layer includes a hard coat layer, an inorganic multilayer film layer, and an antifouling layer provided in order on the first surface. The adhesion layer is provided on the second surface. The adhesion layer consists of two adhesive layers and a second transparent base material sandwiched between the two adhesive layers and directly adhering to each of the two adhesive layers. A reflectance of the anti-reflective film laminate is 0.8% or less when light with a wavelength of 380 nm to 780 nm is incident. A breaking force of the anti-reflective film laminate is 5.7 N or more.
    Type: Application
    Filed: March 26, 2021
    Publication date: April 13, 2023
    Applicant: DEXERIALS CORPORATION
    Inventors: Takashi TAMURA, Tadaaki TOYOSHIMA, Yuji KATO, Hiroki INOUE, Takayuki HISA, Yunosuke FUJITA
  • Patent number: 11621552
    Abstract: Provided are a protection circuit and a photovoltaic system capable of irreversibly interrupting a current path of photovoltaic units such as solar cells by a signal in an emergency such as a fire. The protection circuit includes: a photovoltaic units 26, a protection element 2 provided on a current path of the photovoltaic units 26, and a switch 3 for activating the protection element 2, wherein the protection element 2 irreversibly interrupts the current path of the photovoltaic units 26.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 4, 2023
    Assignee: DEXERIALS CORPORATION
    Inventor: Yoshihiro Yoneda
  • Publication number: 20230097842
    Abstract: A pseudo random dot pattern that is created easily by a geometric approach. The pseudo random dot pattern includes a first oblique lattice region and a second oblique lattice region repeatedly disposed at predetermined intervals in a y direction on an xy plane, a plurality of dot arrangement axes a1 on which dots are disposed at a predetermined pitch in an x direction being arranged in a b direction obliquely crossing the x direction at an angle ? in the first oblique lattice region, a plurality of dot arrangement axes a2 on which dots are disposed at a predetermined pitch in the x direction being arranged in a c direction reverse to the b direction with respect to the x direction in the second oblique lattice region.
    Type: Application
    Filed: February 6, 2021
    Publication date: March 30, 2023
    Applicant: DEXERIALS CORPORATION
    Inventor: Reiji TSUKAO
  • Patent number: 11614647
    Abstract: Exemplary embodiments enable a high-luminance and high-contrast image to be displayed so that there are no defects resulting from deforming an image display part, the curable resin composition has a uniform thickness, and air bubbles are prevented in the curable resin composition. A method for producing an image display apparatus includes coating a curable resin composition onto a base and/or protective part, arranging the base and the protective part to face each other, and forming a cured resin layer between the base and the protective part, wherein the curable resin composition has a curing shrinkage ratio of 5% or less and includes polyurethane acrylate and isobornyl acrylate, and the cured resin layer has a storage modulus of 1×107 Pa or less at 25° C. and a light transmittance in a visible region of 90% or more, and wherein the curable resin composition coated onto the base or the protective part has a pattern with a prescribed shape.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 28, 2023
    Assignee: DEXERIALS CORPORATION
    Inventors: Tomoyuki Toyoda, Yusuke Kamata, Yoshihisa Shinya
  • Patent number: 11613696
    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: November 5, 2018
    Date of Patent: March 28, 2023
    Assignee: Dexerials Corporation
    Inventors: Takehiro Yamasuge, Moriaki Abe, Kazuhiro Yagihashi, Tsuneo Kusunoki
  • Patent number: 11614568
    Abstract: Provided is a laminate and an anti-reflection structure that can be thinned, are excellent in anti-reflection performance and can keep reflection chromaticity neutral. In the laminate according to the present disclosure, a part of a light shielding film has a non-light shielding portion without a light shielding film; an anti-reflection structure is formed in the non-light shielding portion through an adhesion layer, and a fine uneven structure has an uneven period that is equal to or less than a wavelength of visible light; and a color difference (?E) between a reflected light by the light shielding film and a reflected light by the anti-reflection structure expressed in the formula shown below is equal to or less than 1.5.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: March 28, 2023
    Assignee: Dexerials Corporation
    Inventors: Hiroshi Sugata, Shunichi Kajiya