Patents by Inventor Eijiro IWASE
Eijiro IWASE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170320306Abstract: Provided are a functional composite film having one or more combinations of an inorganic layer and an underlying organic layer on one surface thereof, and having a light diffusion layer on the opposite surface, in which the light diffusion layer is formed by dispersing a light diffusing agent in a binder formed using a graft copolymer having a molecular weight of 10,000 to 3,000,000 and an acryl equivalent of 500 g/mol or more, which has an acrylic polymer as the main chain and at least one of a urethane polymer with an acryloyl group at a terminal or a urethane oligomer with an acryloyl group at a terminal in the side chain; and a wavelength conversion film using the same. Using these, a functional composite film and a wavelength conversion film, having good light diffusion performance and light transmittance are provided.Type: ApplicationFiled: July 24, 2017Publication date: November 9, 2017Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Publication number: 20170320307Abstract: A functional composite film includes one or more combinations of an inorganic layer and an organic layer as underlying base of the inorganic layer on a support, and having the outermost surface with an organic layer thereon, where the organic layer on the outermost surface is formed using an ultraviolet-curable urethane polymer having a weight-average molecular weight of 5,000 to 30,000 and a double bond equivalent of 300 g/mol or more, which has a urethane polymer as the main chain and a side chain having a (meth)acryloyl group at a terminal; a curable urethane polyester; and at least one phosphoric acid compound containing two or less (meth)acryloyl groups and/or a silane coupling agent containing one (meth)acryloyl group, and a quantum dot film using the same. High adhesiveness is obtained between the organic layer and the inorganic layer, and when a quantum dot layer or the like is laminated thereon.Type: ApplicationFiled: July 24, 2017Publication date: November 9, 2017Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Patent number: 9739926Abstract: Provided are a laminate film which enables to enhance luminance, and a backlight unit and a liquid crystal display device including this laminate film, as well as a method for producing this laminate film. Provided are laminate films including an optical functional layer and a barrier layer stacked on at least one surface of the optical functional layer, laminate films each having a film having a higher refractive index than a refractive index of the optical functional layer, on a lateral surface of the optical functional layer. It is preferable that the optical functional layer include at least one of a quantum dot and a quantum rod.Type: GrantFiled: September 25, 2015Date of Patent: August 22, 2017Assignee: FUJIFILM CORPORATIONInventors: Kyohisa Uchiumi, Eijiro Iwase
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Publication number: 20170232718Abstract: Provided is a functional laminated film having a functional layer formed by dispersing functional materials in a binder, in which the functional laminated film can inhibit generation of bubbles in the functional layer, and can prevent the functional material from being deteriorated by water or oxygen. The functional layer is formed by dispersing functional materials in a binder, and the binder is formed by polymerizing monomers. The monomers include 50% by mass or more of monomers X having a molecular weight of 100 to 1,500 with respect to the total mass of the monomers, and the gas barrier performance of a gas barrier film is 0.005 [g/(m2·day)] to 0.8 [g/(m2·day)].Type: ApplicationFiled: May 2, 2017Publication date: August 17, 2017Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Publication number: 20170199315Abstract: Provided is a backlight unit, including: a light source allowing light having a light emission center wavelength of ? nm to exit; and a wavelength conversion member positioned on an optical path of the light exiting from the light source, in which the wavelength conversion member includes a wavelength conversion layer containing a fluorescent material which is excited by exciting light and emits fluorescent light, and a light scattering layer containing particles having a particle size of greater than or equal to 0.1 ?m in a matrix, an average refractive index n1 of the wavelength conversion layer satisfies a relationship of n1<n2 with respect to an average refractive index n2 of the matrix of the light scattering layer, and a light absorptivity of the light scattering layer at a wavelength of ? nm is less than or equal to 8.0%.Type: ApplicationFiled: March 28, 2017Publication date: July 13, 2017Applicant: FUJIFILM CorporationInventors: Takashi YONEMOTO, Eijiro IWASE, Koichi SATO
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Publication number: 20170159173Abstract: An organic layer not containing halogen is formed on a substrate using a coating material, and a silicon nitride layer is formed on the organic layer by plasma CVD. Owing to the configuration, there is provided a functional film manufacturing method capable of stably manufacturing a high-performance functional film such as a gas barrier film having excellent gas barrier properties, as well as a functional film.Type: ApplicationFiled: August 13, 2014Publication date: June 8, 2017Applicant: FUJIFILM CORPORATIONInventor: Eijiro IWASE
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Patent number: 9670370Abstract: The present invention relates to a functional film and a method for manufacturing the same, the functional film being organically and inorganically laminated to have a desired function such as high gas barrier performance and having high adhesiveness between inorganic and organic layers. The organic layer on top of the inorganic layer contains an organic solvent; an organic compound formed of the organic layer; and a silane coupling agent with a concentration between 0.1 and 25 percentages by mass excluding the organic solvent, the organic layer uses a coating material not containing a pH controller, and the organic layer is formed through curing via a heating process after coating.Type: GrantFiled: January 17, 2014Date of Patent: June 6, 2017Assignee: FUJIFILM CorporationInventors: Eijiro Iwase, Jiro Tsukahara
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Publication number: 20160372710Abstract: A functional laminated film includes a gas barrier film; and a light-extracting layer provided on the surface of the gas barrier film, in which the gas barrier film includes a base film and a barrier laminate which is provided on the base film and includes an organic layer and an inorganic layer, the inorganic layer and the light-diffusing layer are in direct contact with each other, and the light-diffusing layer is a layer formed from a light-diffusing layer forming material including organic light-diffusing particles and a binder that contains titanium oxide fine particles, a polyfunctional acrylic monomer, and a silane coupling agent.Type: ApplicationFiled: September 1, 2016Publication date: December 22, 2016Applicant: FUJIFILM CorporationInventors: Eijiro IWASE, Kana MOROHASHI, Satoshi KUNIYASU
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Publication number: 20160368236Abstract: A barrier laminate includes a first organic layer, an inorganic layer, and a second organic layer in this order, in which the second organic layer is formed by curing a polymerizable composition which is directly applied to a surface of the inorganic layer, the polymerizable composition includes a urethane acrylate polymer, the urethane acrylate polymer has a structure which includes an acrylic main chain and a side chain including a urethane polymer unit or a urethane oligomer unit, and the side chain has an acryloyl group at a terminal.Type: ApplicationFiled: August 31, 2016Publication date: December 22, 2016Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Publication number: 20160207284Abstract: A functional film has an organic layer and an inorganic layer which are alternately formed on a support and a transport support which is stuck to a rear surface of the support through an adhesive layer and has thermal characteristics different from thermal characteristics of the support, in which an adhesive force between the adhesive layer and the support is 5 N/25 mm to 50 N/25 mm, and an adhesive force between the adhesive layer and the transport support is 0.01 N/25 mm to 1 N/25 mm. In a state where a long laminate composed of the support, the adhesive layer, and the transport support is being transported in a longitudinal direction, the organic layer and the inorganic layer are alternately formed on a front surface of the support. As a result, there is provided a low-cost functional film in which the organic layer and the inorganic layer are alternately laminated and the inorganic layer or the like is not damaged and which stably demonstrates the intended performance.Type: ApplicationFiled: March 29, 2016Publication date: July 21, 2016Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Publication number: 20160207285Abstract: A functional film has an organic layer and an inorganic layer which are alternately formed on a support and a protective material which is stuck to a rear surface of the support through an adhesive layer and has thermal characteristics different from thermal characteristics of the support, in which an adhesive force between the adhesive layer and the support is 0.01 N/25 mm to 0.15 N/25 mm, and an adhesive force between the adhesive layer and the protective material is 5 N/25 mm to 50 N/25 mm. In a state where a long laminate composed of the support, the adhesive layer, and the protective material is being transported in a longitudinal direction, the organic layer and the inorganic layer are alternately formed on the surface of the support. As a result, a low-cost functional film, in which the inorganic layer or the like is not damaged and which stably demonstrates the intended performance, is obtained.Type: ApplicationFiled: March 29, 2016Publication date: July 21, 2016Applicant: FUJIFILM CorporationInventors: Tomokazu SEKI, Eijiro IWASE
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Publication number: 20160201190Abstract: A functional film manufacturing method, in manufacturing a functional film having an organic layer on a support and an inorganic layer on the organic layer, comprises steps of preparing a coating material containing an organic compound which has a glass transition temperature of 100° C. or higher and is to be the organic layer, and an organic solvent; coating a support surface with 5 cc/m2 or more of the coating material such that the organic layer thickness becomes 0.05 to 3 ?m; forming the organic layer by drying the coating material on the support surface such that the coating material has a viscosity of 20 cP or higher and a surface tension of 34 mN/m or less in a decreasing-rate-of-drying state, and curing the organic compound; and forming the inorganic layer on the organic layer surface by a vapor phase deposition method accompanied by generation of plasma.Type: ApplicationFiled: March 21, 2016Publication date: July 14, 2016Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Patent number: 9312516Abstract: A functional film of the present invention includes a support body of which a retardation value is less than or equal to 300 nm; a protective inorganic layer which is formed on the support body; one or more combinations of an inorganic layer and an organic layer which are formed on the protective inorganic layer; and a mixed layer having a thickness of 1 to 100 nm which is formed between the support body and the underlying inorganic layer, and is mixed with a component of the support body and a component of the protective inorganic layer.Type: GrantFiled: January 27, 2015Date of Patent: April 12, 2016Assignee: FUJIFILM CorporationInventor: Eijiro Iwase
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Publication number: 20160091649Abstract: Provided are a laminate film which enables to enhance luminance, and a backlight unit and a liquid crystal display device including this laminate film, as well as a method for producing this laminate film. Provided are laminate films including an optical functional layer and a barrier layer stacked on at least one surface of the optical functional layer, laminate films each having a film having a higher refractive index than a refractive index of the optical functional layer, on a lateral surface of the optical functional layer. It is preferable that the optical functional layer include at least one of a quantum dot and a quantum rod.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Applicant: FUJIFILM CORPORATIONInventors: Kyohisa UCHIUMI, Eijiro IWASE
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Publication number: 20160091650Abstract: A laminate film includes a gas barrier film having a barrier layer and a support which supports the barrier layer stacked on one surface of an optical functional layer, in which the gas barrier film and the optical functional layer satisfy the following adhesion force conditions: an adhesion force between the support and the barrier layer is smaller than an adhesion force between the optical functional layer and the barrier layer, and an adhesion force between the support and the barrier layer is an adhesion force enabling peeling.Type: ApplicationFiled: September 29, 2015Publication date: March 31, 2016Applicant: FUJIFILM CORPORATIONInventors: Kyohisa UCHIUMI, Eijiro IWASE
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Publication number: 20160047036Abstract: An organic layer not containing halogen is formed on a substrate using a coating material, and a silicon nitride layer is formed on the organic layer by plasma CVD. Owing to the configuration, there is provided a functional film manufacturing method capable of stably manufacturing a high-performance functional film such as a gas barrier film having excellent gas barrier properties, as well as a functional film.Type: ApplicationFiled: August 13, 2014Publication date: February 18, 2016Applicant: FUJIFILM CORPORATIONInventor: Eijiro IWASE
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Publication number: 20150349290Abstract: A functional film has a support which has a value of retardation of equal to or less than 50 nm; a protective inorganic film which is formed on the support; one or more combinations, each of which is composed of an organic film as an underlayer and an inorganic film, formed on the protective inorganic film; and a sealant layer which adheres onto the inorganic film as an uppermost layer by an adhesive layer, has a value of retardation of equal to or less than 300 nm, and has a glass transition temperature lower than that of the support.Type: ApplicationFiled: August 13, 2015Publication date: December 3, 2015Applicant: FUJIFILM CORPORATIONInventor: Eijiro IWASE
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Publication number: 20150325810Abstract: In the organic EL laminate, a gas barrier film, which has a laminated structure composed of an organic film and an inorganic film, adheres to a passivation film, which covers a light emitting element using an organic EL material, by an adhesive in a state in which the inorganic film faces the passivation film and the inorganic film and the passivation film are formed of the same material.Type: ApplicationFiled: July 16, 2015Publication date: November 12, 2015Applicant: FUJIFILM CORPORATIONInventor: Eijiro IWASE
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Publication number: 20150137108Abstract: A functional film of the present invention includes a support body of which a retardation value is less than or equal to 300 nm; a protective inorganic layer which is formed on the support body; one or more combinations of an inorganic layer and an organic layer which are formed on the protective inorganic layer; and a mixed layer having a thickness of 1 to 100 nm which is formed between the support body and the underlying inorganic layer, and is mixed with a component of the support body and a component of the protective inorganic layer.Type: ApplicationFiled: January 27, 2015Publication date: May 21, 2015Applicant: FUJIFILM CorporationInventor: Eijiro IWASE
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Patent number: 8790479Abstract: An object is to provide a manufacturing method of a functional film where it is possible to stably manufacture a functional film which favorably exhibits the intended function and has excellent optical characteristics. The problem is solved by forming an uppermost organic layer of an organic layer with a thickness of 30 to 300 nm by using a coating material containing a surfactant where the content is 0.01 to 10 mass % when the uppermost organic layer is formed.Type: GrantFiled: August 28, 2013Date of Patent: July 29, 2014Assignee: FUJIFILM CorporationInventor: Eijiro Iwase