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公开(公告)号：US20210011207A1
公开(公告)日：2021-01-14
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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公开(公告)号：US20190184687A1
公开(公告)日：2019-06-20
申请号：US16285219
申请日：2019-02-26
Applicant: FUJIFILM CORPORATION
Inventor： Hideki YASUDA , Hirotoshi YOSHIZAWA , Tatsuya YOSHIHIRO
CPC classification number: B32B27/08 , B32B5/18 , B32B5/32 , B32B7/02 , B32B7/12 , B32B27/065 , B32B27/302 , B32B27/32 , B32B27/36 , B32B27/365 , B32B2266/0264 , B32B2307/304 , B32B2307/416 , F16L59/02 , F16L59/08
Abstract: According to an embodiment of the invention, there is provided a laminated structure including, in this order from a side nearer to an object to be cooled: a radiative cooling layer which contains a bubble-containing resin and radiates far-infrared rays to cool the object to be cooled; and a heat insulating layer which contains a bubble-containing resin and has a porosity of 70% or more and in which the number of bubbles contained in a layer thickness direction is 8 or less.
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公开(公告)号：US20170315270A1
公开(公告)日：2017-11-02
申请号：US15648934
申请日：2017-07-13
Applicant: FUJIFILM Corporation
Inventor： Hideki YASUDA , Ryou MATSUNO , Takeharu TANI
Abstract: Provided is an antireflection optical member which is an antireflection structure for preventing reflection from a substrate, the antireflection optical member including a laminate structure including a dielectric layer, an ultra-low refractive index layer, and the substrate that are laminated in this order, in which the ultra-low refractive index layer has a metamaterial structure in which a host medium includes guests having a smaller size than a wavelength λ of light whose reflection is to be prevented, a real part n2 of a refractive index of the ultra-low refractive index layer satisfies n2
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公开(公告)号：US20240337891A1
公开(公告)日：2024-10-10
申请号：US18663808
申请日：2024-05-14
Applicant: FUJIFILM Corporation
Inventor： Yukito SAITOH , Hideki YASUDA , Yujiro YANAI
Abstract: An optical member having a high reflectivity of electromagnetic waves in a desired direction for use in a metasurface structure. The optical member includes, in the following order: a reflective layer; a liquid crystal layer that includes a liquid crystal compound; and a metasurface structure where a plurality of microstructures are arranged, in which an in-plane refractive index of the liquid crystal layer continuously changes according to a region of the metasurface structure where two or more microstructures arranged adjacent to each other are present.
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公开(公告)号：US20240210594A1
公开(公告)日：2024-06-27
申请号：US18441604
申请日：2024-02-14
Applicant: FUJIFILM Corporation
Inventor： Hideki YASUDA , Yujiro YANAI , Yukito SAITOH
CPC classification number: G02B1/002 , G02B5/3016
Abstract: An optical member using a metasurface structure and having high use efficiency of light. The optical member includes a substrate, a metasurface structure configured of a plurality of arrayed microstructures formed on at least one surface of the substrate, having a plurality of regions A each including, in a case where a region including one or more of the microstructures is defined as a region X, a plurality of the regions X in which phase modulation amounts are different from each other, and a phase correction layer that corrects a wavefront aberration of the metasurface structure, wherein the phase modulation amounts in the regions X of the metasurface structure gradually decrease in one direction, and the phase correction layer includes, corresponding to the region A, a region whose phase modulation amount changes.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20200012024A1
公开(公告)日：2020-01-09
申请号：US16575411
申请日：2019-09-19
Applicant: FUJIFILM CORPORATION
Inventor： Masashi ONO , Hideki YASUDA
Abstract: Provided are semiconductor particles including a Group 12-16 semiconductor including a Group 12 element and a Group 16 element, a Group 13-15 semiconductor including a Group 13 element and a Group 15 element, or a Group 14 semiconductor including a Group 14 element, the semiconductor particles having a plasma frequency of 1.7×1014 rad/s to 4.7×1014 rad/s and a maximum length of 1 nm to 2,000 nm; and a dispersion, a film, an optical filter, a building member, or a radiant cooling device, in all of which the semiconductor particles are used.
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公开(公告)号：US20190257557A1
公开(公告)日：2019-08-22
申请号：US16362699
申请日：2019-03-25
Applicant: FUJIFILM CORPORATION
Inventor： Hirotoshi YOSHIZAWA , Hideki YASUDA , Tatsuya YOSHIHIRO
Abstract: A radiative cooling device including: a vacuum heat insulating container that has an opening portion, that is configured to house an object to be cooled therein and thermally vacuum insulates the object from an exterior thereof; a far-infrared radiator that is arranged between the object and the opening portion in the vacuum heat insulating container, that is thermally vacuum insulated from the exterior of the vacuum 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; and a far-infrared transmitting window member that closes the opening portion of the vacuum heat insulating container and that transmits the far-infrared rays radiated from the far-infrared radiator.
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公开(公告)号：US20190234658A1
公开(公告)日：2019-08-01
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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公开(公告)号：US20170176580A1
公开(公告)日：2017-06-22
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：US20170028676A1
公开(公告)日：2017-02-02
申请号：US15290415
申请日：2016-10-11
Applicant: FUJIFILM Corporation
Inventor： Hideki YASUDA , Ryou MATSUNO
CPC classification number: B32B7/02 , B32B23/04 , B32B23/18 , B32B27/20 , B32B27/36 , B32B2264/102 , B32B2307/412 , B32B2307/418 , B32B2419/00 , B32B2605/006
Abstract: An antireflection film includes an antireflection structure which has different reflectivity with respect to light to be incident on front and back surfaces, and includes a silver nano-disk layer formed by dispersing a plurality of silver nano-disks in a binder, and a layer of low refractive index which is formed on a surface of the silver nano-disk layer and has a refractive index smaller than a refractive index of the transparent substrate, and in which a ratio of a diameter of the silver nano-disk to a thickness is greater than or equal to 3, an area ratio of the silver nano-disk to the silver nano-disk layer is from 10% to 40%, and a pair of antireflection films having reflection conditions different from each other adhere to both surfaces of glass.
Abstract translation: 防反射膜包括相对于入射到前表面和后表面的光具有不同反射率的抗反射结构，并且包括通过将多个银纳米盘分散在粘合剂中而形成的银纳米盘层和 低折射率，其形成在银纳米盘层的表面上并且具有小于透明基板的折射率的折射率，并且其中银纳米盘的直径与厚度的比率更大 银纳米盘与银纳米盘层的面积比为10〜40％，反射条件不同的一对防反射膜附着在玻璃的两面。
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