Patents Assigned to Dexerials Corporation
-
Publication number: 20230369531Abstract: 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: ApplicationFiled: March 23, 2022Publication date: November 16, 2023Applicants: 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: 20230359078Abstract: 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: ApplicationFiled: July 20, 2023Publication date: November 9, 2023Applicant: DEXERIALS CORPORATIONInventors: Yoshihisa SHINYA, Yusuke KAMATA
-
Publication number: 20230348679Abstract: 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: ApplicationFiled: August 6, 2021Publication date: November 2, 2023Applicant: DEXERIALS CORPORATIONInventors: Keisuke ARAMAKI, Yuma SATO, Yusuke KUBO
-
Patent number: 11804347Abstract: 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: GrantFiled: August 18, 2020Date of Patent: October 31, 2023Assignee: DEXERIALS CORPORATIONInventors: Yuji Kimura, Chisato Komori
-
Publication number: 20230339720Abstract: 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: ApplicationFiled: November 18, 2020Publication date: October 26, 2023Applicant: DEXERIALS CORPORATIONInventors: Kazunori HAMAZAKI, Hiroyuki NAKAMURA, Tomohisa KAWAI
-
Patent number: 11795390Abstract: 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: GrantFiled: October 14, 2022Date of Patent: October 24, 2023Assignee: Dexerials CorporationInventors: Takehiro Yamasuge, Moriaki Abe, Kazuhiro Yagihashi, Tsuneo Kusunoki
-
Patent number: 11794444Abstract: 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: GrantFiled: April 25, 2017Date of Patent: October 24, 2023Assignee: DEXERIALS CORPORATIONInventors: Reiji Tsukao, Yasushi Akutsu
-
Patent number: 11795264Abstract: 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: GrantFiled: January 31, 2020Date of Patent: October 24, 2023Assignee: DEXERIALS CORPORATIONInventor: Kazunobu Kamiya
-
Patent number: 11796865Abstract: 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: GrantFiled: March 24, 2022Date of Patent: October 24, 2023Assignee: DEXERIALS CORPORATIONInventors: Masahiro Iiyama, Reiji Tsukao
-
Patent number: 11791116Abstract: 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: GrantFiled: August 18, 2020Date of Patent: October 17, 2023Assignee: DEXERIALS CORPORATIONInventors: Yuji Kimura, Chisato Komori
-
Patent number: 11787976Abstract: 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: GrantFiled: August 16, 2021Date of Patent: October 17, 2023Assignee: DEXERIALS CORPORATIONInventors: Seiichiro Shinohara, Yasushi Akutsu
-
Patent number: 11789182Abstract: 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: GrantFiled: March 10, 2022Date of Patent: October 17, 2023Assignee: DEXERIALS CORPORATIONInventors: Shunichi Kajiya, Asahiko Nogami, Kyoko Sakurai, Kazuya Hayashibe
-
Patent number: 11782200Abstract: 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: GrantFiled: January 15, 2021Date of Patent: October 10, 2023Assignee: DEXERIALS CORPORATIONInventors: Tomu Takeda, Hiroyuki Takahashi
-
Patent number: 11784154Abstract: 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: GrantFiled: May 6, 2022Date of Patent: October 10, 2023Assignee: DEXERIALS CORPORATIONInventor: Seiichiro Shinohara
-
Publication number: 20230317393Abstract: 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: ApplicationFiled: August 20, 2021Publication date: October 5, 2023Applicant: DEXERIALS CORPORATIONInventor: Yoshihiro YONEDA
-
Patent number: 11772358Abstract: 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: GrantFiled: September 1, 2021Date of Patent: October 3, 2023Assignee: DEXERIALS CORPORATIONInventors: Reiji Tsukao, Shinichi Hayashi, Seiichiro Shinohara, Yusuke Tanaka
-
Patent number: 11773208Abstract: 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: GrantFiled: June 7, 2019Date of Patent: October 3, 2023Assignee: DEXERIALS CORPORATIONInventors: Kazunobu Kamiya, Hiroki Shibuya
-
Publication number: 20230307252Abstract: 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: ApplicationFiled: June 3, 2021Publication date: September 28, 2023Applicant: DEXERIALS CORPORATIONInventors: Hiroyuki KUMAKURA, Tomoyuki ABE
-
Patent number: 11760927Abstract: 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: GrantFiled: January 12, 2022Date of Patent: September 19, 2023Assignee: Dexerials CorporationInventors: Takehiro Yamasuge, Tsuneo Kusunoki, Moriaki Abe, Masahide Daimon
-
Publication number: 20230287246Abstract: 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: ApplicationFiled: June 3, 2021Publication date: September 14, 2023Applicant: DEXERIALS CORPORATIONInventors: Hiroyuki KUMAKURA, Tomoyuki ABE