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公开(公告)号：US20210026062A1
公开(公告)日：2021-01-28
申请号：US17036612
申请日：2020-09-29
Applicant: FUJIFILM Corporation
Inventor： Hiroshi SATO , Yukito SAITOH , Ayako MURAMATSU , Mayumi NOJIRI , Hideyuki NISHIKAWA
Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.
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公开(公告)号：US20200369961A1
公开(公告)日：2020-11-26
申请号：US16991209
申请日：2020-08-12
Applicant: FUJIFILM Corporation
Inventor： Ayako MURAMATSU , Ryo SATAKE , Mayumi NOJIRI , Aiko YOSHIDA , Keita TAKAHASHI , Toshikazu SUMI
Abstract: Provided is an optical film having an excellent film contrast and improved moisture-heat resistance, a polarizing plate, and an image display device. The optical film has an optically anisotropic film obtained by polymerizing a polymerizable liquid crystal composition, and a photo-alignment film, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1): L1-SP1-E1-Cy2-Cy1-D1-Ar1-D2-Cy3-Cy4-E2-SP2-L2 and the optically anisotropic film satisfies Formula (I): Re(450)/Re(550)
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公开(公告)号：US20200264475A1
公开(公告)日：2020-08-20
申请号：US16866522
申请日：2020-05-04
Applicant: FUJIFILM Corporation
Inventor： Shinichi YOSHINARI , Ayako MURAMATSU , Naoya SHIBATA , Kunihiro ATSUMI , Daisuke KASHIWAGI
IPC: G02F1/1335 , H01L27/32
Abstract: An object of the present invention is to provide is an optical laminate film exhibiting excellent reflection tint and an organic EL display device using this optical laminate film and exhibiting excellent reflection tint when turned off. The object is achieved by providing an optical laminate film including a polarizer, a phase difference layer, and a circularly polarized light separating layer in this order, in which an in-plane retardation Re(550) of the phase difference layer is 120 to 160 nm, the polarizer and the phase difference layer are arranged to form an angle of 45°±10°, the circularly polarized light separating layer is a cholesteric liquid crystal layer formed by fixing a cholesteric liquid crystalline phase and having a liquid crystalline molecule as a main component, and Re(550) is 0.5 to 3.0 nm, and an optical laminate film in which a circularly polarized light separating layer has an in-plane phase difference and an angle formed between a slow axis of a phase difference layer and a slow axis of the circularly polarized light separating layer is −30° to 30°.
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24.发明申请公开(公告)号：US20200013835A1
公开(公告)日：2020-01-09
申请号：US16575975
申请日：2019-09-19
Applicant: FUJIFILM Corporation
Inventor： Ayako MURAMATSU , Kunihiro ATSUMI , Ryo SATAKE , Mayumi NOJIRI
Abstract: The present invention provides an organic electroluminescent display device in which reflection of external light is suppressed and a change in tint in a case of being viewed in an oblique direction is further suppressed, a phase difference film, and a circular polarization plate. This organic electroluminescent display device according to the present invention includes an organic electroluminescence display panel and a circular polarization plate arranged on the organic electroluminescence display panel, in which the circular polarization plate includes a polarizer and a phase difference film, the phase difference film includes a positive A-plate and a positive C-plate, and the positive A-plate and the positive C-plate satisfy prescribed requirements.
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公开(公告)号：US20190264106A1
公开(公告)日：2019-08-29
申请号：US16407703
申请日：2019-05-09
Applicant: FUJIFILM Corporation
Inventor： Keita TAKAHASHI , Mayumi NOJIRI , Ayako MURAMATSU
Abstract: The present invention has an object to provide a polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an ultraviolet absorber represented by Formula (1), in which a maximum absorption wavelength A of the polymerizable liquid crystal compound and a maximum absorption wavelength B of the ultraviolet absorber satisfy Formula (2), and a content of the ultraviolet absorber is 1% to 20% by mass with respect to a content of the polymerizable liquid crystal compound.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20180246381A1
公开(公告)日：2018-08-30
申请号：US15957367
申请日：2018-04-19
Applicant: FUJIFILM Corporation
Inventor： Taku WAKITA , Ayako MURAMATSU , Chie MORIYA , Yoshiaki TAKADA , Makoto ISHIGURO
IPC: G02F1/1337 , C08K5/101 , G02F1/1335
CPC classification number: G02F1/133711 , C08K5/101 , C08L101/02 , G02B5/3016 , G02F1/133528 , G02F1/13363 , G02F1/133788 , G02F2001/133715 , G02F2001/133726 , G02F2202/28 , Y10T428/10 , Y10T428/1005 , Y10T428/1036
Abstract: According to the invention, provided are an optical alignment film composition with which an optical alignment film having excellent aligning properties can be produced, and an optical alignment film, an optical laminate, and an image display device produced using the optical alignment film composition. An optical alignment film composition according to the invention contains a polymer A which has a constitutional unit a1 including a cinnamate group and a low-molecular-weight compound B which has a cinnamate group and has a lower molecular weight than the polymer A.
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公开(公告)号：US20180201701A1
公开(公告)日：2018-07-19
申请号：US15922212
申请日：2018-03-15
Applicant: FUJIFILM Corporation
Inventor： Ayako MURAMATSU , Hiroshi SATO , Kengo SAITO , Takashi KOMIYAMA , Keita TAKAHASHI
IPC: C08F20/30 , G02B5/30 , C09K19/38 , G02F1/1335
CPC classification number: C08F20/30 , C09K19/3804 , C09K2219/03 , G02B5/3025 , G02B5/3041 , G02B5/3083 , G02B5/3091 , G02F1/133528
Abstract: An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. This optical film of the present invention is an optical film at least having an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and the optically anisotropic layer has a density of 1.20 g/cm3 or more and a crosslinking point density of 0.0016 mol/cm3 or more.
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公开(公告)号：US20250102718A1
公开(公告)日：2025-03-27
申请号：US18921862
申请日：2024-10-21
Applicant: FUJIFILM Corporation
Inventor： Ayako MURAMATSU , Mayumi NOJIRI , Makoto KAMO , Ryoji HIMENO , Tetsuro MITSUI
IPC: G02B5/30
Abstract: A polarizing plate that, when being applied to an apparatus in which at least one of a display element or a visible light imaging element and an infrared light sensing system are combined, detection performance of the infrared light sensing system is excellent, and display performance is excellent when the apparatus includes the display element or imaging performance is excellent when the apparatus includes the imaging element; an apparatus; a head-mounted display; an organic electroluminescent display device; and an imaging system. In the polarizing plate, an average transmittance at a wavelength of 400 to 700 nm is 70% or more, a maximum value of a polarization degree at a wavelength of 800 to 1500 nm is 80% or more, and when a wavelength at which the polarization degree is the maximum value is defined as a wavelength λ1, a transmittance T(λ1) at the wavelength λ1 satisfies predetermined relationships.
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公开(公告)号：US20240168218A1
公开(公告)日：2024-05-23
申请号：US18425887
申请日：2024-01-29
Applicant: FUJIFILM Corporation
Inventor： Hiroshi SATO , Yukito SAITOH , Ayako MURAMATSU , Mayumi NOJIRI , Hideyuki NISHIKAWA
CPC classification number: G02B6/0056 , C09K19/605 , G02B5/208 , G02B5/3016 , G02B6/0026 , G02B6/005
Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.
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公开(公告)号：US20220350067A1
公开(公告)日：2022-11-03
申请号：US17858650
申请日：2022-07-06
Applicant: FUJIFILM Corporation
Inventor： Ayako MURAMATSU , Shinnosuke SAKAI , Teruki NIORI , Shinichi MORISHIMA
Abstract: To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.
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