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公开(公告)号：US11197429B2
公开(公告)日：2021-12-14
申请号：US16268631
申请日：2019-02-06
Applicant: FUJIFILM Corporation
Inventor： Yoshihisa Usami , Mitsuyoshi Ichihashi , Kazuhiro Oki
Abstract: An object is to provide a plant illumination apparatus that can output light having a high degree of circular polarization in the target wavelength range. This object is achieved by having a reflective-type polarizing plate having an effective wavelength range, a light-emitting device, and a reflective plate configured to reflect light emitted from the light-emitting device and satisfying: λ1>λ2,λ2>λ3, and w>30 nm wherein λ1 is the center wavelength of the effective wavelength range of the reflective-type polarizing plate, λ2 is the center wavelength of the light-emitting device, w is the full width at half maximum of the transmittance of the reflective-type polarizing plate, and λ3 is the shorter wavelength of the wavelengths at the full width at half maximum.
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公开(公告)号：US10442358B2
公开(公告)日：2019-10-15
申请号：US15837441
申请日：2017-12-11
Applicant: FUJIFILM Corporation
Inventor： Takao Taguchi , Kazuhiro Oki , Mitsuyoshi Ichihashi , Akihiro Anzai
Abstract: A vehicle mirror with an image display function includes a half mirror which includes a high-Re retardation film and a reflection layer and an image display device on the half mirror, in which the high-Re retardation film, the reflection layer, and the image display device are disposed in this order, the high-Re retardation film has a front phase difference of 5000 nm or greater, and the reflection layer is a linear polarization reflection layer or a circular polarization reflection layer.
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公开(公告)号：US09223163B2
公开(公告)日：2015-12-29
申请号：US14286652
申请日：2014-05-23
Applicant: FUJIFILM CORPORATION
Inventor： Wataru Majima , Kazuhiro Oki , Hirotoshi Andou
CPC classification number: G02F1/133365 , C09K2019/044 , C09K2019/0448 , C09K2019/2078 , C09K2219/03 , G02B1/04 , G02B5/208 , G02B5/3016 , Y10T428/1005
Abstract: Provided is a method of producing a film including: a coating step of coating, on a substrate, a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound, an alignment controlling agent capable of controlling alignment of the polymerizable liquid crystal compound, a polymerization initiator and coated film a solvent; and a drying step of drying, wherein the alignment controlling agent is a compound represented by formula (1) below, and the alignment controlling agent is added in 0.005 to 0.2 parts by mass relative to 100 parts by mass of the polymerizable liquid crystal compound: In general formula (1), each of L1 and L2 represents an alkylene group having 1 to 6 carbon atoms that may be substituted with a fluorine atom or the like, and n1 and n2 represents integers of 3 or more.
Abstract translation: 提供一种膜的制造方法，其包括：涂布步骤，在基板上涂布含有聚合性液晶化合物的聚合性液晶组合物，能够控制聚合性液晶性化合物取向的取向控制剂，聚合引发剂 和涂膜一种溶剂; 和干燥步骤，其中取向控制剂是下述式（1）表示的化合物，相对于100质量份的可聚合液晶化合物，取向控制剂的添加量为0.005〜0.2质量份： 在通式（1）中，L1和L2各自表示可以被氟原子等取代的碳原子数1〜6的亚烷基，n1和n2表示3以上的整数。
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公开(公告)号：US10859745B2
公开(公告)日：2020-12-08
申请号：US15933590
申请日：2018-03-23
Applicant: FUJIFILM Corporation
Inventor： Takao Taguchi , Kazuhiro Oki , Mitsuyoshi Ichihashi
IPC: G02B5/30 , B32B7/02 , B60R1/04 , G02B5/26 , G02B5/28 , G02B5/08 , B32B17/10 , B60R1/08 , C08J5/18
Abstract: The vehicle mirror includes a high-Re retardation film and a reflective layer. The high-Re retardation film has a front retardation of 5,000 nm or more, and the reflective layer is a reflective layer that is reflective in an unpolarized manner, such as a reflective metal layer. The vehicle mirror may be a vehicle mirror further including an image display device, wherein the high-Re retardation film, the reflective layer, and the image display device are disposed in this order, and the reflective layer is transflective.
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公开(公告)号：US10308185B2
公开(公告)日：2019-06-04
申请号：US15609345
申请日：2017-05-31
Applicant: FUJIFILM Corporation
Inventor： Akihiro Anzai , Kazuhiro Oki , Mitsuyoshi Ichihashi , Takao Taguchi
IPC: G02B5/30 , B60R1/12 , B60R1/04 , B60R1/08 , G02F1/1333 , G02F1/1335 , G02F1/13363 , H04N5/65 , G02B27/28 , H04N5/64
Abstract: A vehicle mirror with an image display function including, in this order: an image display device; a circular polarization reflection layer; and a front surface plate made of glass or plastic, in which the circular polarization reflection layer includes a linear polarization reflection plate and a ¼ wavelength plate from the image display device side. The vehicle mirror with an image display function of the invention is capable of displaying a bright image.
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Patent Agency Ranking
公开(公告)号：US10800333B2
公开(公告)日：2020-10-13
申请号：US15834942
申请日：2017-12-07
Applicant: FUJIFILM Corporation
Inventor： Akihiro Anzai , Kazuhiro Oki , Mitsuyoshi Ichihashi , Takao Taguchi
IPC: B60R1/04 , B60R1/12 , G02F1/1335 , G02B5/30 , G02F1/1333 , G02B5/08 , G09F9/00 , B60R1/08
Abstract: According to the invention, there are provided a vehicle minor with an image display function including: an image display device; and a half mirror, in which the half minor includes a reflection layer, and the reflection layer is inclined with respect to a surface of an image display portion of the image display device, and a method of manufacturing a vehicle mirror with an image display function including: positioning a half minor including a reflection layer on a surface of an image display portion of an image display device such that the half mirror is inclined with respect to the surface of the image display portion. In a vehicle minor with an image display function according to the invention, image visibility is hardly reduced by outside light.
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公开(公告)号：US10794568B2
公开(公告)日：2020-10-06
申请号：US16272058
申请日：2019-02-11
Applicant: FUJIFILM Corporation
Inventor： Yoshihisa Usami , Mitsuyoshi Ichihashi , Kazuhiro Oki
Abstract: Provided are a plant-growth laminated film and a plant-growth illumination apparatus that more efficiently provide circularly polarized light used for plant growth. Included are a reflective-type linearly polarizing plate that transmits one of linearly polarized light components of incident light and that reflects the other linearly polarized light component, and a λ/4 plate that converts, into circularly polarized light, linearly polarized light provided by transmission through the reflective-type linearly polarizing plate, wherein the λ/4 plate has an in-plane retardation of 165±40 nm at a wavelength of 660 nm.
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公开(公告)号：US10746906B2
公开(公告)日：2020-08-18
申请号：US16034889
申请日：2018-07-13
Applicant: FUJIFILM Corporation
Inventor： Takao Taguchi , Kazuhiro Oki , Mitsuyoshi Ichihashi
IPC: G02B5/08 , G09F9/00 , G02B5/30 , G02B27/28 , G02F1/1335
Abstract: The half mirror includes a retardation layer, a circularly polarized light reflecting layer, and a front panel that are disposed in this order. The retardation layer has a front phase difference as measured at a wavelength of 500 nm of 107 to 127 nm and a front phase difference as measured at a wavelength of 475 nm of 110 to 130 nm. The circularly polarized light reflecting layer includes three cholesteric liquid crystal layers. The three cholesteric liquid crystal layers have different selective reflection center wavelengths λ1, λ2, and λ3. The center wavelengths λ1, λ2, and λ3 satisfy 380 nm
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公开(公告)号：US10688701B2
公开(公告)日：2020-06-23
申请号：US16107045
申请日：2018-08-21
Applicant: FUJIFILM Corporation
Inventor： Yuki Saiki , Akihiro Anzai , Shunya Katoh , Hiroshi Inada , Kazuhiro Oki
IPC: B32B27/18 , B32B27/26 , B32B27/08 , B32B27/30 , C08F20/00 , G02B5/00 , G02B5/30 , B29C45/16 , G02F1/13363 , C09D4/00 , C08F222/10 , B29K69/00 , B29K105/00 , B29K667/00 , B29L11/00
Abstract: A transfer sheet includes a cured liquid crystal composition layer, a block layer including a (meth)acrylic polymer, and a thermoplastic welded layer in this order, the thermoplastic welded layer and the block layer are in direct contact with each other, and the thermoplastic welded layer includes a thermoplastic resin and an ultraviolet curable resin.
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公开(公告)号：US10139533B2
公开(公告)日：2018-11-27
申请号：US15014640
申请日：2016-02-03
Applicant: FUJIFILM Corporation
Inventor： Mitsuyoshi Ichihashi , Wataru Majima , Kazuhiro Oki
Abstract: According to the invention, there is provided a circular polarizing filter for selectively transmitting circularly polarized light of any one sense of either right-handed circularly polarized light or left-handed circularly polarized light at a specific wavelength in which scattering transmittance/vertical transmittance when circularly polarized light of the sense of the specific wavelength enters from any one surface is less than scattering reflectance/regular reflectance when circularly polarized light of the other sense enters from the surface. The circular polarizing filter includes a circularly-polarized light separating layer, the circularly-polarized light separating layer includes a reflected light-scattering circularly-polarized light separating layer, and may further include a reflected light-non-scattering circularly-polarized light separating layer, the reflected light-scattering circularly-polarized light separating layer is composed of a layer having a cholesteric liquid crystalline phase fixed therein, and the reflected light-non-scattering circularly-polarized light separating layer is composed of a layer having a cholesteric liquid crystalline phase fixed therein, or a laminate including a linearly-polarized light separating layer and a λ/4 phase difference layer. The circular polarizing filter of the invention has a high circular polarizance, and a high-sensitivity sensor system can be provided using the circular polarizing filter of the invention.
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