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公开(公告)号：US11226437B2
公开(公告)日：2022-01-18
申请号：US16584849
申请日：2019-09-26
Applicant: FUJIFILM CORPORATION
Inventor： Hideki Yasuda , Ryou Matsuno , Motoi Harada
Abstract: Provided are a high refractive index film including a high refractive index layer including a binder and flat metal particles, in which a value obtained by dividing an average particle diameter of the flat metal particles by an average thickness is 3 or more, a main plane of the flat metal particles is plane-oriented in a range of 0° to 30° with respect to a surface of the high refractive index layer, a volume fraction of the flat metal particles of the high refractive index layer is 20 volume % or more, and the flat metal particles are stacked in two or more layers, and an optical interference film using the high refractive index film.
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公开(公告)号：US12230855B2
公开(公告)日：2025-02-18
申请号：US17804602
申请日：2022-05-31
Applicant: FUJIFILM CORPORATION
Inventor： Hideki Yasuda , Ichihiko Hashimoto , Kazuhiro Yokoi , Yohei Takahashi , Koki Takahashi
Abstract: A waveguide structure includes at least one transmission line and at least one conductive pattern layer. At least a portion of the transmission line and at least a portion of the conductive pattern layer overlap each other as observed from a surface side of the conductive pattern layer. A surface electrical resistance value of the conductive pattern layer is in a range of 0.005Ω/□ to 30Ω/□.
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3.发明授权公开(公告)号：US11029449B2
公开(公告)日：2021-06-08
申请号：US16269271
申请日：2019-02-06
Applicant: FUJIFILM Corporation
Inventor： Kenichi Umeda , Seigo Nakamura , Yuichiro Itai , Hideki Yasuda
Abstract: An antireflection film is formed by laminating an interlayer, a silver-containing metal layer containing silver, and a dielectric layer in this order from the substrate, an anchor region including an oxide of an anchor metal is provided between the silver-containing metal layer and the interlayer, a cap region including an oxide of the anchor metal included in the anchor region is provided between the silver-containing metal layer and the dielectric layer, a crystal grain size obtained by X-ray diffraction measurement in the silver-containing metal layer is less than 6.8 nm, and the anchor metal has a surface energy less than a surface energy of silver and greater than a surface energy of a layer of the interlayer closest to the silver-containing metal layer.
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公开(公告)号：US11007752B2
公开(公告)日：2021-05-18
申请号：US17066483
申请日：2020-10-08
Applicant: FUJIFILM CORPORATION
Inventor： Hideki Yasuda
Abstract: Provided are a far infrared reflective film including a base material and a far infrared reflective layer including a binder and flat conductive particles, in which a value obtained by dividing an average particle diameter of the flat conductive particles by an average thickness of the flat conductive particles is 20 or more, a thickness y nm of the far infrared reflective layer is 3 times or more the average thickness of the flat conductive particles, a volume fraction x of the flat conductive particles in the far infrared reflective layer is 0.4 or more, and a product x×y of the volume fraction x and the thickness y satisfies Expression A, a heat shield film including the far infrared reflective film, and a heat shield glass including the far infrared reflective film. x × y ≤ 0.183 × λ k Expression A
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公开(公告)号：US10591190B2
公开(公告)日：2020-03-17
申请号：US16357258
申请日：2019-03-18
Applicant: FUJIFILM CORPORATION
Inventor： Tatsuya Yoshihiro , Hideki Yasuda
Abstract: A radiative cooling device including: a heat insulating container having an opening portion, and being configured to house an object to be cooled at an interior thereof and thermally insulates the object from an exterior thereof; a far-infrared radiator that is arranged between the object and the opening portion in the heat insulating container, that thermally contacts the object, and that radiates far-infrared rays in a wavelength range of from 8 μm to 13 μm; a far-infrared transmitting window member that closes at least part of the opening portion of the heat insulating container and that transmits the far-infrared rays radiated from the far-infrared radiator; and an intermediate heat insulating member that is arranged between the far-infrared transmitting window member and the far-infrared radiator, that thermally insulates the far-infrared transmitting window member and the far-infrared radiator from each other, and that transmits the far-infrared rays radiated from the far-infrared radiator.
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Patent Agency Ranking
公开(公告)号：US20180095192A1
公开(公告)日：2018-04-05
申请号：US15821143
申请日：2017-11-22
Applicant: FUJIFILM Corporation
Inventor： Shinichiro Sonoda , Hideki Yasuda , Akihiko Ohtsu
IPC: G02B1/116 , B32B7/02 , B32B15/04 , G02B15/20 , G02B15/163
CPC classification number: G02B1/116 , B32B7/02 , B32B9/00 , B32B15/04 , B32B2307/418 , B32B2309/105 , G02B15/16 , G02B15/163 , G02B15/20
Abstract: This antireflection film includes a dielectric layer having a surface exposed to air and having a refractive index of 1.35 or more and 1.51 or less, a metal layer having an interface with the dielectric layer, containing silver, and having a thickness of 5 nm or less, and an interlayer having an interface with the metal layer and constituted by a laminate formed by alternately laminating total four layers or more of a layer of high refractive index having a relatively high refractive index and a layer of low refractive index having a relatively low refractive index and is laminated on a substrate having a refractive index of 1.61 or more in the order of the interlayer, the metal layer, and the dielectric layer.
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公开(公告)号：US09897692B2
公开(公告)日：2018-02-20
申请号：US15452969
申请日：2017-03-08
Applicant: FUJIFILM Corporation
Inventor： Akihiko Ohtsu , Hideki Yasuda
Abstract: In an electromagnetic cloaking structure, a refractive index distribution has a high refractive index region which is provided around a shielding space and has a maximum value in a plane surrounding the shielding space and in which a refractive index decreases gradually from the centroid of the shielding space along a radial line passing through the plane so as to be close to an average refractive index and a low refractive index region which has a minimum value at two points having the shielding space and the high refractive index region interposed therebetween on a virtual optical axis passing through the shielding space and in which the refractive index increases gradually from the two points in a direction opposite to the high refractive index region on the virtual optical axes, on which the two points are placed, so as to be close to the average refractive index.
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公开(公告)号：US11319472B1
公开(公告)日：2022-05-03
申请号：US17558535
申请日：2021-12-21
Applicant: FUJIFILM CORPORATION
Inventor： Hideki Yasuda
IPC: C08J5/18 , C09K5/14 , F28F21/06 , D04H1/4291
Abstract: The present disclosure provides a polyolefin film including a fibrous polyolefin having an average diameter of 0.1 μm or more and less than 1.0 μm, wherein the polyolefin film has a connected-void structure, has a void ratio a of 50% to 90%, has a thickness d in μm, which satisfies, together with the void ratio a, a relation of 40≤(d×(100−a)/100)≤200, and is used as a radiative cooling film, and a radiative cooling structure body including the polyolefin film.
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公开(公告)号：US10901124B1
公开(公告)日：2021-01-26
申请号：US17030411
申请日：2020-09-24
Applicant: FUJIFILM CORPORATION
Inventor： Hideki Yasuda
Abstract: Provided is a wavelength-selective absorptive material which includes, in the following order: a base material; a reflective layer; and a high refractive index layer having a refractive index n of 3.0 or more with respect to infrared light having a wavelength range of 8 μm to 13 μm, having a thickness d of 30 nm to 1,000 nm, and containing a binder and flat metal particles; and an infrared absorptive layer having a maximum absorption wavelength in a wavelength range of 8 μm to 13 μm, in which a product n×d of the refractive index n and the thickness d is more than 1,000 and less than 4,875.
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10.发明申请公开(公告)号：US20180095209A1
公开(公告)日：2018-04-05
申请号：US15805472
申请日：2017-11-07
Applicant: FUJIFILM Corporation
Inventor： Shinya Hakuta , Shogo Yamazoe , Tadashi Kasamatsu , Masayuki Naya , Hideki Yasuda , Ryo Matsuno
CPC classification number: G02B5/282 , B32B3/12 , B32B3/266 , B32B7/02 , B32B2307/30 , B32B2307/412 , E04B1/86 , E06B5/20 , E06B9/24 , E06B2009/2405 , E06B2009/2417 , E06B2009/2464 , G02B1/11
Abstract: Provided are a heat ray-shielding material having a frame body including a plurality of frames having a cell structure and a plurality of films attached to some or all of the plurality of frames in the frame body, in which at least some of the plurality of films shield near-infrared light, and cell sizes in the plurality of frames are larger than visible light optical wavelengths, whereby the heat ray-shielding material is lightweight, capable of selectively shielding heat rays, that is, near-infrared rays, can be applied to a variety of uses, and can be independently used as movable members, easily removable members, and members having a collapsible structure, an architectural member, a cage member, and a side surface wall.
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