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公开(公告)号：US20230400694A1
公开(公告)日：2023-12-14
申请号：US18453152
申请日：2023-08-21
Applicant: FUJIFILM Corporation
Inventor： Naoyoshi YAMADA , Hirofumi TOYAMA , Yukito SAITOH
CPC classification number: G02B27/0172 , G06F3/013 , G02B5/3016 , G02B27/283 , G02B27/0093 , G02B2027/0123
Abstract: Provided is a virtual image display device where a scenery and a video can be displayed to be superimposed on each other and a field of view is wide. The virtual image display device includes: a transparent display; and an optical system that is disposed on a visible side with respect to the transparent display, in which the optical system includes a half mirror and a reflective polarizer, and at least one of the half mirror or the reflective polarizer has an action of a concave mirror.
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公开(公告)号：US20230213823A1
公开(公告)日：2023-07-06
申请号：US18060873
申请日：2022-12-01
Applicant: FUJIFILM Corporation
Inventor： Yumi KATO , Naoki KOITO , Hiroshi MATSUYAMA , Akihiro SUGITA , Takehiro KASAHARA , Naoyoshi YAMADA
IPC: G02F1/135 , G02F1/1333 , G02F1/1335 , H01J49/40 , G02F1/13363
CPC classification number: G02F1/1351 , G02F1/133354 , G02F1/133509 , H01J49/40 , G02F1/13363
Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0≤Imax/Isur1.
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公开(公告)号：US20230098100A1
公开(公告)日：2023-03-30
申请号：US18060320
申请日：2022-11-30
Applicant: FUJIFILM Corporation
Inventor： Naoyoshi YAMADA
Abstract: Provided is an optical element that suppresses ghosts where an absorbing polarizer having a curved surface portion is applied to an image display device formed of a reciprocation optical system. Further provided are a virtual reality display device, an electronic viewfinder, and a method of producing a polarizer. The optical element includes absorbing polarizers A and B, polarizer A having a curved surface portion, where a position X being of a surface of the polarizer A on a side of and closest to the side of polarizer B, a position Y being of a surface of the polarizer B on a side of polarizer A, closest to the position X, and a straight line L passing through the positions X and Y is drawn, a position Z is on the straight line L and beyond the position X when it the position X is observed from position Y.
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公开(公告)号：US20230012512A1
公开(公告)日：2023-01-19
申请号：US17901476
申请日：2022-09-01
Applicant: FUJIFILM Corporation
Inventor： Naoyoshi YAMADA , Shinichi YOSHINARI , Fumitake MITOBE
Abstract: Provided is a viewing angle control polarizing plate that has asymmetric transmission characteristics, does not cause moire even in a case of being used in combination with a high-definition image display device, and is capable of easily following a curved surface and a viewing angle control system with high productivity. The viewing angle control system includes at least a first polarizer and an optically anisotropic layer, in which an absorption axis of the first polarizer forms an angle of 45° or greater with respect to an in-plane direction, and a main axis of a refractive index of the optically anisotropic layer is tilted in the in-plane direction.
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公开(公告)号：US20200341183A1
公开(公告)日：2020-10-29
申请号：US16925305
申请日：2020-07-09
Applicant: FUJIFILM CORPORATION
Inventor： Takashi YONEMOTO , Hirofumi TOYAMA , Naoyoshi YAMADA
IPC: F21V8/00 , G02F1/13357
Abstract: The backlight unit includes: a light guide that includes an incidence surface and an emission surface facing each other; and a light source portion including a plurality of point light sources that are two-dimensionally arranged to face the incidence surface of the light guide, in which light emitted from the light source portion is incident into the incidence surface of the light guide and emitted from the emission surface, the backlight unit is driven by local dimming in which at least two point light sources among the plurality of point light sources are used as a minimum point lighting unit, the light guide includes a plurality of light advancing direction conversion portions and a plurality of light extraction portions, each of the light advancing direction conversion portions is provided at each of positions on the incidence surface facing the plurality of point light sources and changes an advancing direction of each of light components to a direction in which the light component is guided in the light guide, and each of the light extraction portions is provided per unit region corresponding to the minimum point lighting unit in a state where a density in a peripheral portion of the unit region is set to be higher than a density in a center portion of the unit region and emits the light guided in the light guide.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20180081236A1
公开(公告)日：2018-03-22
申请号：US15822763
申请日：2017-11-27
Applicant: FUJIFILM Corporation
Inventor： Natsuru CHIKUSHI , Naoyoshi YAMADA , Kyohei ARAYAMA
IPC: G02F1/1335 , C09K11/08 , C08L101/02
CPC classification number: G02F1/133514 , B82Y30/00 , B82Y40/00 , C08G65/18 , C08K3/00 , C08L63/00 , C08L71/02 , C08L101/02 , C09K11/025 , C09K11/08 , C09K19/3405 , C09K19/54 , C09K2019/0448 , G02F1/133516 , G02F2001/01791 , G02F2001/133614 , G02F2202/022 , G02F2203/055 , Y10T428/10 , C08L33/06
Abstract: A polymerizable composition includes a quantum dot, a monomer having an epoxy group or an oxetanyl group, and a polymer dispersant, in which the polymer dispersant is a compound represented by Formula I. In Formula I, A is an organic group having a coordinating group coordinated with a quantum dot, Z is an (n+m+l)-valent organic linking group, X1 and X2 are a single bond or a divalent organic linking group, R1 represents an alkyl group, an alkenyl group, or an alkynyl group each of which may have a substituent, P is a polymer chain which has a polymerization degree of 3 or greater and which includes a polymer skeleton and of which the solubility parameter is 17 MPa1/2 to 22 MPa1/2. n and m are each independently the number of 1 or greater, l is the number of 0 or greater, n+m+l is an integer of 2 to 10.
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7.发明申请公开(公告)号：US20170328541A1
公开(公告)日：2017-11-16
申请号：US15668034
申请日：2017-08-03
Applicant: FUJIFILM Corporation
Inventor： Hiroyuki YONEYAMA , Naoyoshi YAMADA , Tatsuya OBA
CPC classification number: F21V13/02 , C09K11/623 , C09K11/64 , F21K9/64 , F21V9/30 , G02B5/0242 , G02B5/0268 , G02B5/0278 , H01L33/501 , H01L33/505 , H01L2933/0091
Abstract: A wavelength conversion member, is provided with a wavelength conversion layer that includes quantum dots and is interposed between two barrier layers. The wavelength conversion member includes a light scattering layer that is provided between the barrier layers and the wavelength conversion layer, in which one of the barrier layers closest to the light scattering layer is formed of an inorganic component, the light scattering layer includes a binder, which is formed of either a compound having a hydrogen bonding functional group and a polymerizable group in a molecule or an organic metal coupling agent, and scattering particles having a diameter R of 0.2 to 5 μm, a thickness d of the light scattering layer is 0.2 to 4 μm, a thickness D of the wavelength conversion layer is 10 to 100 μm, and a ratio of d to D is 0.2% to 10%.
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公开(公告)号：US20140160404A1
公开(公告)日：2014-06-12
申请号：US14101694
申请日：2013-12-10
Applicant: FUJIFILM CORPORATION
Inventor： Naoyoshi YAMADA , Yu NAITO , Nobutaka FUKAGAWA , Aiko YOSHIDA , Yukie WATANABE
IPC: G02B5/20 , G02F1/1335
CPC classification number: G02B5/208 , G02B5/223 , G02F1/133528 , G02F2001/133562 , G02F2201/086
Abstract: A display device for outdoor use has a display unit, and the display unit includes a polarizing plate having a light absorbing layer and a polarizer layer on a viewing side surface, the light absorbing layer includes a first light absorbing agent having at least one absorption peak in a wavelength range of from 280 to less than 360 nm and a second light absorbing agent having at least one absorption peak in a wavelength range of from 360 to 400 nm, and the light absorbing layer is disposed closer to the viewing side than the polarizer layer.
Abstract translation: 户外用的显示装置具有显示单元，所述显示单元包括在观察侧表面上具有光吸收层和偏振层的偏振片，所述光吸收层包括具有至少一个吸收峰的第一光吸收剂 在280至小于360nm的波长范围内和在360至400nm的波长范围内具有至少一个吸收峰的第二光吸收剂，并且光吸收层设置成比偏振片更靠近观察侧 层。
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公开(公告)号：US20240036343A1
公开(公告)日：2024-02-01
申请号：US18482072
申请日：2023-10-06
Applicant: FUJIFILM Corporation
Inventor： Hiroshi SATO , Naoyoshi YAMADA , Yukito SAITOH , Takashi YONEMOTO
IPC: G02B27/42
CPC classification number: G02B27/42
Abstract: There is provided a liquid crystal diffraction element in which chromatic aberration is small and diffraction efficiency is high in the liquid crystal diffraction element, and an image display apparatus and a head mounted display which use this diffraction element. The liquid crystal diffraction element includes an optically anisotropic layer that is formed of a liquid crystal composition containing a liquid crystal compound, where 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 along at least one in-plane direction, and the optically anisotropic layer has at least a curved surface portion.
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公开(公告)号：US20230314679A1
公开(公告)日：2023-10-05
申请号：US18297377
申请日：2023-04-07
Applicant: FUJIFILM Corporation
Inventor： Naoyoshi YAMADA , Yohei HAMACHI
CPC classification number: G02B5/3016 , G02B1/11 , G02B5/208 , G02B5/3083
Abstract: An object of the present invention is to provide a laminated optical film including a reflective circular polarizer with high image sharpness of a reflected image, and an image display device formed of the laminated optical film. The object is achieved by providing the laminated optical film including at least a reflective circular polarizer, a retardation layer that converts circularly polarized light into linearly polarized light, and a linear polarizer in this order, in which a surface of the reflective circular polarizer on a side opposite to the linear polarizer has a surface roughness Ra of 100 nm or less.
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