Patents Assigned to Dexerials Corporation
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Publication number: 20220352439Abstract: A liquid photocurable resin composition not containing a thermal polymerization initiator is applied to a surface of a light-transmitting cover member having a light-shielding layer or a surface of an image display member, irradiated with ultraviolet rays under an atmosphere where the oxygen concentration is significantly decreased and cured, to form a light-transmitting cured resin layer. Subsequently, the image display member and the light-transmitting cover member are stacked through the light-transmitting cured resin layer to manufacture an image display device of the present invention.Type: ApplicationFiled: July 18, 2022Publication date: November 3, 2022Applicant: DEXERIALS CORPORATIONInventors: Naoki HAYASHI, Yoshihisa SHINYA, Kouichi OGAWA, Tsukasa NAKAMURA
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Publication number: 20220347879Abstract: A transfer mold comprises a substrate having one or more fine concave portions formed on a surface thereof. At least one of a sidewall and a bottom of each fine concave portion has an oscillation waveform satisfying at least one of the following oscillation waveform conditions: (1) the oscillation waveform is continuous; (2) the oscillation waveform is a composite waveform of a plurality of oscillation waveforms, and the plurality of oscillation waveforms are in phase with each other; (3) fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of adjacent fine concave portions are in phase with each other; and (4) fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of the fine concave portions are in phase with each other for every two pitches.Type: ApplicationFiled: July 14, 2022Publication date: November 3, 2022Applicant: Dexerials CorporationInventors: Kazuhiko NODA, Katsuhiro DOI, Asahiko NOGAMI, Kyoko SAKURAI
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Publication number: 20220332104Abstract: A dam forming method and a method for manufacturing a laminate capable of suppressing the occurrence of a height difference in the thickness of a dam. A dam forming method is used in a method for manufacturing a laminate in which a first base member and a second base member are laminated via a fill material, including: forming a dam surrounding an application region for the fill material on the first base member; and applying the fill material to the application region. The dam forming method includes: applying a dam-forming resin composition on peripheral edges of the first base member by accelerating the application speed of the dam-forming resin composition continuously or stepwise from the start to the end of the application; and curing the applied dam-forming resin composition.Type: ApplicationFiled: September 14, 2020Publication date: October 20, 2022Applicant: DEXERIALS CORPORATIONInventor: Yuko TAKEBAYASHI
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Publication number: 20220336173Abstract: 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: ApplicationFiled: August 18, 2020Publication date: October 20, 2022Applicant: DEXERIALS CORPORATIONInventors: Yuji KIMURA, Chisato KOMORI
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Patent number: 11467438Abstract: A display unit that includes an image display part and a light-transmitting protective part arranged on the image display part. A cured resin layer is arranged between the display part and the protective part. The cured resin layer can have a transmittance of 90% or higher in the visible range and a storage modulus at 25° C. of 1×107 Pa or less. The cured resin layer can be formed from a resin composition that has a cure shrinkage of 5% or less.Type: GrantFiled: March 12, 2021Date of Patent: October 11, 2022Assignee: DEXERIALS CORPORATIONInventors: Yoshihisa Shinya, Yusuke Kamata
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Publication number: 20220298402Abstract: 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 thermally conductive filler, an alkoxysilane compound, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to an alkoxysilane compound, and contains 55 to 85% by volume of the thermally conductive filler. A thermally conductive resin composition contains an addition reaction type silicone resin, an alkoxysilane compound, a thermally conductive filler, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to the alkoxysilane compound, and exhibits thermal conductivity of 5 W/m*K or more after curing.Type: ApplicationFiled: May 24, 2021Publication date: September 22, 2022Applicant: DEXERIALS CORPORATIONInventor: Masayuki MATSUSHIMA
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Publication number: 20220298297Abstract: A cationic curing agent includes porous particles and a compound represented by General Formula (1), where the compound is held in the porous particles. In the General Formula (1), R1 is an alkyl group having 1 to 18 carbon atoms or a phenyl group, where the alkyl group may be branched and the alkyl group and the phenyl group may each further have a substituent. R2 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms where the alkyl group may be branched, a halogenoalkyl group, an alkoxy group, or a phenoxy group; where the alkyl group, the halogenoalkyl group, the alkoxy group, or the phenoxy group may further have a substituent. R1 and R2 may be identical to or different from each other.Type: ApplicationFiled: August 18, 2020Publication date: September 22, 2022Applicant: DEXERIALS CORPORATIONInventors: Takeshi NISHIO, Kazunobu Kamiya
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Publication number: 20220301794Abstract: 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: ApplicationFiled: August 18, 2020Publication date: September 22, 2022Applicant: DEXERIALS CORPORATIONInventors: Yuji KIMURA, Chisato KOMORI
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Publication number: 20220298396Abstract: An adhesive composition has a low dielectric constant, a low dielectric loss tangent, and an excellent folding endurance. The adhesive composition includes: with respect to the total of 100 parts by mass of the adhesive composition, 75 to 90 parts by mass of a styrene elastomer; 3 to 25 parts by mass of a modified polyphenyleneether resin having a polymerizable group at an end; and totally 10 parts by mass or less of an epoxy resin and an epoxy resin curing agent, wherein the styrene ratio of the styrene elastomer is less than 30%.Type: ApplicationFiled: August 2, 2019Publication date: September 22, 2022Applicant: DEXERIALS CORPORATIONInventors: Jun YAMAMOTO, Toshiyuki MINEGISHI, Kazuhiro DATE
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Publication number: 20220291422Abstract: Provided is an anti-reflection structure with excellent anti-reflection performance and transparency, and with reduced generation of wrinkles on the surface. The present disclosure is an anti-reflection structure 10 including at least an adhesion layer 20 and an anti-reflection layer 30 formed on the adhesion layer 20 and having fine uneven structures on both sides thereof. The storage elastic modulus E? of the adhesion layer 20 is equal to or greater than 25 MPa, and fine uneven structures formed on both sides of the anti-reflection layer 30 each have an uneven period P equal to or less than the wavelength of visible light.Type: ApplicationFiled: September 23, 2020Publication date: September 15, 2022Applicant: Dexerials CorporationInventors: Hiroshi SUGATA, Hiroshi TAZAWA, Shunichi KAJIYA
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Patent number: 11440821Abstract: Provided is a water-purifying agent formed of a granulated product including a mixture of a plant powder and a polymeric flocculant, wherein a surface of the granulated product includes a coated portion in which the plant powder is coated with the polymeric flocculant and a non-coated portion in which the plant powder is not coated with the polymeric flocculant.Type: GrantFiled: August 10, 2020Date of Patent: September 13, 2022Assignee: Dexerials CorporationInventors: Masahiko Ito, Ryu Shimada, Takanori Fujita
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Publication number: 20220266553Abstract: 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: ApplicationFiled: July 22, 2020Publication date: August 25, 2022Applicant: DEXERIALS CORPORATIONInventors: Yoshikazu NAGASAWA, Yuko TAKEBAYASHI
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Publication number: 20220267650Abstract: An adhesive composition having a low dielectric constant, low dielectric loss tangent, excellent folding endurance, and excellent heat resistance. The adhesive composition includes: with respect to the total of 100 parts by mass of the adhesive composition, 70 to 90 parts by mass of the styrene elastomer; 5 to 25 parts by mass of a modified polyphenyleneether resin having a polymerizable group at an end; totally 10 parts by mass or less of an epoxy resin and an epoxy resin curing agent, wherein the styrene ratio of the styrene elastomer is less than 42%.Type: ApplicationFiled: August 6, 2019Publication date: August 25, 2022Applicant: DEXERIALS CORPORATIONInventors: Jun YAMAMOTO, Akira SUZUKI, Toshiyuki MINEGISHI, Kazuhiro DATE
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Patent number: 11420843Abstract: There is provided a new and improved reel member and a new and improved reel housing body that can suppress surface runout and accordingly suppress falling-off of an adhesive film, the reel member (1) including: a winding core section (2) around which an adhesive film is windable; and a flange section (3) provided on each of both end portions in a direction of a rotation axis of the winding core section, in which the winding core section and the flange section are provided separately from each other, and an amount of surface runout of the flange section is a value within a range of ±0.2 mm. For example, a diameter of the winding core section and a diameter of the flange section may satisfy a predetermined mathematical formula.Type: GrantFiled: August 5, 2016Date of Patent: August 23, 2022Assignee: DEXERIALS CORPORATIONInventor: Toyoji Yamazaki
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Publication number: 20220262702Abstract: A thermally conductive sheet having a binder resin, a first thermally conductive filler, and a second thermally conductive filler, wherein the first thermally conductive filler and the second thermally conductive filler are dispersed in the binder resin, and the specific permittivity and the thermal conductivity are different in the thickness direction B and the surface direction A of the thermally conductive sheet. A thermally conductive sheet includes step A of preparing a resin composition for forming a thermally conductive sheet by dispersing a first thermally conductive filler and a second thermally conductive filler in a binder resin, step B of forming a molded block from the resin composition for forming a thermally conductive sheet, and step C of slicing the molded block into a sheet and obtaining a thermally conductive sheet having different relative permittivity and thermal conductivity in the thickness direction and the surface direction.Type: ApplicationFiled: April 23, 2021Publication date: August 18, 2022Applicant: DEXERIALS CORPORATIONInventors: Yuma SATO, Keisuke ARAMAKI, Yusuke KUBO
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Publication number: 20220260768Abstract: To provide a polarization element having good polarization properties and excellent in heat dissipation property and manufacturing costs. In order to solve the above problem, a polarization element 1 of the present disclosure includes a substrate 10 made of a transparent inorganic material; a grid structural body 20 which is made of a transparent material, and includes a base portion 21 provided along a surface of the substrate 10 and protruding portions 22 protruding from the base portion 21 in a grid; and an optical functional layer 30 which is formed on the protruding portions 22, and includes an absorptive layer for absorbing light, a reflective layer for reflecting light, or a multilayer having at least the absorptive layer and the reflective layer.Type: ApplicationFiled: June 26, 2020Publication date: August 18, 2022Applicant: Dexerials CorporationInventors: Koji SASAKI, Naoki HANASHIMA, Kazuyuki SHIBUYA
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Publication number: 20220262760Abstract: 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: ApplicationFiled: May 6, 2022Publication date: August 18, 2022Applicant: DEXERIALS CORPORATIONInventor: Seiichiro SHINOHARA
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Publication number: 20220250110Abstract: A sliding device configured to perform a sliding process on a surface of an object to be slid includes a sliding part including sliding bodies each having a flat working surface; a first driving mechanism configured to regularly move the sliding bodies in parallel with the working surfaces of the sliding bodies; and a second driving mechanism configured to regularly move the sliding part in parallel with the working surfaces in a direction different from a moving direction by the first driving mechanism while the first driving mechanism moves the sliding bodies. This enables uniform supply of the sliding process material onto the surface of the object to be slid or clean the surface of the object to be slid.Type: ApplicationFiled: April 30, 2020Publication date: August 11, 2022Applicant: DEXERIALS CORPORATIONInventors: Takayuki SAITO, Masahiro NISHIMOTO, Ikuo MITSUSHIMA, Masaki KANEKO
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Publication number: 20220254701Abstract: 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: ApplicationFiled: April 5, 2021Publication date: August 11, 2022Applicant: DEXERIALS CORPORATIONInventor: Masayuki MATSUSHIMA
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Patent number: D961168Type: GrantFiled: November 30, 2020Date of Patent: August 16, 2022Assignee: DEXERIALS CORPORATIONInventor: Shinya Suzuki