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公开(公告)号：US20240280809A1
公开(公告)日：2024-08-22
申请号：US18640242
申请日：2024-04-19
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI
CPC classification number: G02B27/0101 , B60K35/23 , G02B5/1861
Abstract: A virtual image display apparatus that is configured to be mounted in a transportation machine and is configured such that P-polarized image display light is incident into a projection portion, a head-up display system, and the transportation machine provided therewith, the virtual image display apparatus and head-up display system including an image display device that emits projection image light, a diffractive reflective element having positive optical power, and a half-wave plate having a front retardation of 200 nm to 400 nm, in which the diffractive reflective element and the half-wave plate are provided on an optical path that guides the projection image light to the projection portion, in order from a side of the image display device.
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公开(公告)号：US20240210687A1
公开(公告)日：2024-06-27
申请号：US18581554
申请日：2024-02-20
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI , Eiichiro AMINAKA
CPC classification number: G02B27/0101 , B60K35/23 , G02B5/3016 , B60K2360/23 , B60K2360/25
Abstract: Provided is a head-up display system and a transportation machine including the head-up display system, the head-up display system including a windshield glass having a selective reflection layer and a projector including laser light sources of three colors of blue light, green light, and red light for forming a projection image on the windshield glass,
in which the selective reflection layer includes the following selective reflection central wavelengths λB, λG, and λR at a light incidence angle of 60°,
400nm≤λB-
公开(公告)号：US20230035433A1
公开(公告)日：2023-02-02
申请号：US17956545
申请日：2022-09-29
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI
Abstract: There are provided a linearly polarized light reflection film that has a high visible light transmittance, is capable of increasing the brightness of a display image, and is highly transparent in terms of appearance tint, a windshield glass, and a head-up display system. The linearly polarized light reflection film has a selectively reflecting layer in which an optically anisotropic layer and an isotropic layer are laminated. The selectively reflecting layer has at least one first reflection peak having a reflection center wavelength of 430 nm or more and less than 500 nm and having a reflectivity of 10% or more and 20% or less, at least one second reflection peak having a reflection center wavelength of 530 nm or more and less than 600 nm and having a reflectivity of 10% or more and 20% or less, and a third reflection peak having a reflection center wavelength of 600 nm or more and 800 nm or less, where two or more reflection peaks are present with a reflectivity of 10% or more and 20% or less or one reflection peak is present with a reflectivity of 10% or more and 20% or less and a wavelength width of 120 nm or more.
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公开(公告)号：US20250044481A1
公开(公告)日：2025-02-06
申请号：US18913630
申请日：2024-10-11
Applicant: FUJIFILM Corporation
Inventor： Keigo UEKI , Akihiro ANZAI , Shinya WATANABE
Abstract: The present invention provides a reflection film which has excellent curved surface followability during bonding to an object to be bonded, exhibits excellent abrasion resistance after bonding, and further has excellent reflection characteristics; a windshield glass; a laminate; and an image display system. The reflection film of the present invention includes, in the following order, a pressure-sensitive adhesive layer, a reflective layer reflecting light in a wavelength-selective manner, and a hardcoat layer.
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公开(公告)号：US20210263314A1
公开(公告)日：2021-08-26
申请号：US17232997
申请日：2021-04-16
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI , Yujiro YANAI , Wataru MAJIMA , Taketo OTANI
Abstract: Provided are a projection image display member having a high visible light transmittance, suppressing a double image of a display image, and having excellent suitability of polarized sunglasses for incident light reflected from external light, a windshield glass using the projection image display member, and a head-up display system. The problem is solved such that one or more phase difference layers, one or more selective reflection layers, and one or more polarization conversion layers are provided in this order, the polarization conversion layer being a layer in which a helical alignment structure of a liquid crystal compound is fixed, and the number of pitches x of the helical alignment structure and a film thickness y (μm) of the polarization conversion layer satisfying “0.3≤x≤7.0”, “0.5≤y≤6.0”, “y≤0.7x+3.2”, and “y≥0.7x−1.4”.
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Patent Agency Ranking
公开(公告)号：US20180099614A1
公开(公告)日：2018-04-12
申请号：US15837441
申请日：2017-12-11
Applicant: FUJIFILM Corporation
Inventor： Takao TAGUCHI , Kazuhiro OKI , Mitsuyoshi ICHIHASHI , Akihiro ANZAI
CPC classification number: B60R1/08 , B60R1/00 , B60R1/04 , B60R1/12 , B60R2001/1215 , G02B5/30 , G02B5/3016
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：US20170343807A1
公开(公告)日：2017-11-30
申请号：US15680823
申请日：2017-08-18
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI , Mitsuyoshi ICHIHASHI , Kazuhiro OKI
CPC classification number: G02B27/0101 , G02B5/26 , G02B5/3016 , G02B5/3083 , G02B27/144 , G02B27/28 , G02B2027/012
Abstract: According to the invention, provided are a combiner including: a projected image display portion on which a projected image is displayed with projected light; and a base material; in which the projected image display portion at least includes a half-mirror film, the half-mirror film and the base material are provided in this order from an incidence side of the projected light, the half-mirror film includes two or more cholesteric liquid crystal layers, center wavelengths of selective reflection of the two or more cholesteric liquid crystal layers are different from each other, and the cholesteric liquid crystal layer closest to the incidence side of the projected light has the longest center wavelength of selective reflection, and a head-up display system including a projected image display member. The combiner makes it possible to display a projected image having high brightness, in which the generation of a double image is reduced.
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公开(公告)号：US20240418927A1
公开(公告)日：2024-12-19
申请号：US18814099
申请日：2024-08-23
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI
Abstract: An object is to provide a virtual image display apparatus for a head-up display including a light guide plate and a diffraction element, in which observation of interference light such as sunlight can be suppressed. The virtual image display apparatus includes: an image display device; a light guide plate that guides the image light emitted from the image display device; a diffraction element that emits image light from the light guide plate, and a polarizer that is provided on an emission side of the image light of the diffraction element and has an absorption axis parallel to or tilted with respect to a normal line.
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公开(公告)号：US20190235243A1
公开(公告)日：2019-08-01
申请号：US16383207
申请日：2019-04-12
Applicant: FUJIFILM Corporation
Inventor： Akihiro ANZAI , Shunya Katoh
IPC: G02B27/01 , G02B5/30 , G02F1/1335 , G03B21/20
CPC classification number: G02B27/0101 , G02B5/3025 , G02F1/133536 , G03B21/2073
Abstract: A head-up display system includes: a projection image display portion; a circularly polarized light reflection layer and a λ/2 retardation layer which are included in the projection image display portion in which the circularly polarized light reflection layer includes four or more cholesteric liquid crystal layers and one layer of the four or more cholesteric liquid crystal layers has a center wavelength of selective reflection at 350 nm or more and less than 490 nm, the windshield glass; and a projector.
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公开(公告)号：US20170349828A1
公开(公告)日：2017-12-07
申请号：US15685530
申请日：2017-08-24
Applicant: FUJIFILM Corporation
Inventor： Shunya KATOH , Shinnosuke SAKAI , Yuki SAIKI , Akihiro ANZAI
Abstract: The present invention provides a polymerizable composition containing a polymerizable liquid crystal compound represented by Formula (I) and an oxime compound, in the formula, A1 and A2 each represent a phenylene group or a trans-1,4-cyclohexylene group, L1 and L2 each represent single bond, —C(═O)O—, or —OC(═O)—, Q1 and Q2 each represent a polymerizable group or the like, m and n represent an integer of 0 to 2, X may represent —X3-Sp3-Q3 or two X's may be bonded to each other to form a fused ring, X3 represents —C(═O)O—, Sp1, Sp2, and Sp3 each represent single bond, an alkylene group, or the like, Q3 represents hydrogen atom, a cycloalkyl group, a polymerizable group, or the like, and l represents an integer of 0 to 4. The polymerizable composition hardly causes yellowing after curing and is useful for manufacturing a film and a half mirror for displaying a projection image.
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