中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

19 records (took 0.035 seconds)

    Reflective screen and projection image display system
    1.
    发明授权
    Reflective screen and projection image display system 有权

    公开(公告)号：US11647169B2

    公开(公告)日：2023-05-09

    申请号：US17942606

    申请日：2022-09-12

    Applicant: FUJIFILM Corporation

    Inventor： Shuntaro Ibuki ,  Naoya Nishimura

    IPC: H04N9/31 ,  G02F1/1335

    CPC classification number: H04N9/3152 ,  G02F1/133536 ,  G02F1/133543

    Abstract: Provided is a reflective screen and a projection image display system in which a transmittance of light can be selectively changed, a transmittance in a transparent state is sufficiently high, a voltage does not need to be applied constantly, and a voltage is applied to decrease a transmittance of light in a case where the reflective screen is irradiated with video light. The reflective screen includes: a light reflecting layer that is formed of a cholesteric liquid crystal layer and where a selective reflection wavelength at a polar angle of 60° is present in a visible range, in which senses of helix of all of cholesteric liquid crystal layers are the same and Expression (1) is satisfied; and a transparent first electrode, a transparent second electrode, and a light control layer that are provided on a rear side with respect to the light reflective layer, the light control layer being disposed between the first electrode and the second electrode, in which the light control layer includes a polymer network and liquid crystal molecules and changes between a first state where light is scattered and a second state where transmission of light is allowed by changing a magnitude of a voltage applied, the polymer network having a three-dimensional net shape having a plurality of domains, and the liquid crystal molecules being positioned in the domains.

    R[−60,40](550)/R[−60,30](550)≥1.5  Expression (1)

    Laminate, antireflection product, and manufacturing method thereof
    2.
    发明授权
    Laminate, antireflection product, and manufacturing method thereof 有权

    公开(公告)号：US11209575B2

    公开(公告)日：2021-12-28

    申请号：US16265114

    申请日：2019-02-01

    Applicant: FUJIFILM Corporation

    Inventor： Yuta Fukushima ,  Shuntaro Ibuki

    IPC: G02B1/118 ,  B32B5/16 ,  B32B7/12 ,  C03C17/32 ,  C03C17/42 ,  G02B1/113 ,  B32B17/10 ,  B32B27/14

    Abstract: Provided are a laminate including: a glass substrate; a layer (ca) including a binder; a particle (a2) having an average primary particle diameter of 100 nm to 380 nm; and a layer (b) including a pressure sensitive adhesive, in which the layer (ca) is present on a side closer to the glass substrate than the layer (b), and the particle (a2) is buried in layers obtained by combining the layer (ca) and the layer (b) and protrudes from an interface of the layer (ca) on a side opposite to an interface of the layer (ca) on the glass substrate side, an antireflection product using the laminate, and a method of manufacturing the laminate and an antireflection product.

    OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
    3.
    发明申请
    OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190011607A1

    公开(公告)日：2019-01-10

    申请号：US16130327

    申请日：2018-09-13

    Applicant: FUJIFILM Corporation

    Inventor： Ayako Matsumoto ,  Shuntaro Ibuki

    IPC: G02B1/14 ,  F21V8/00

    Abstract: Provided are an optical film including a base material, and a hard coat layer, in which a refractive index of the base material at a wavelength of 550 nm is 1.60 or more, a difference between a refractive index of the base material at a wavelength of 435 nm and a refractive index of the base material at a wavelength of 610 nm is 0.11 or more, and a peak intensity PV value of a power spectrum obtained by subjecting a reflectivity spectrum of the optical film to fast Fourier transform is 0.3 or less, a polarizing plate having the optical film and an image display device.

    Optical laminate, polarizing plate, and image device display
    4.
    发明授权
    Optical laminate, polarizing plate, and image device display 有权

    公开(公告)号：US12099224B2

    公开(公告)日：2024-09-24

    申请号：US18327736

    申请日：2023-06-01

    Applicant: FUJIFILM Corporation

    Inventor： Yuki Nakamura ,  Shuntaro Ibuki

    IPC: G02B5/30 ,  G02F1/1337 ,  G02F1/1335 ,  H10K59/80

    CPC classification number: G02B5/3016 ,  G02F1/133719 ,  C09K2323/02 ,  C09K2323/031 ,  G02F1/133541 ,  H10K59/8793

    Abstract: An optical laminate includes two optically anisotropic layers, an A-plate and a C-plate, in which the adhesiveness between the layers, the liquid crystal alignment of the C-plate, and the adhesiveness between the A-plate and a pressure-sensitive adhesive, are excellent. The optical laminate includes first and second optically anisotropic layers which are A-plate and C-plate formed of a first and second liquid crystal compound, respectively, and a mixed layer disposed between the layers, including components derived from the first and second liquid crystal compounds, and an optical alignment compound, in which a surface energy of the first optically anisotropic layer on a side opposite to the mixed layer is 25 mN/m or more, and where a component in a depth direction is analyzed with time-of-flight type secondary ion mass spectrometry while irradiating ion beams from a surface of the optical laminate on the first, toward the second, optically anisotropic layer.

    Backlight unit used in a liquid crystal display device
    8.
    发明授权
    Backlight unit used in a liquid crystal display device 有权

    公开(公告)号：US10514490B2

    公开(公告)日：2019-12-24

    申请号：US15723746

    申请日：2017-10-03

    Applicant: FUJIFILM Corporation

    Inventor： Yujiro Yanai ,  Yukito Saitoh ,  Shuntaro Ibuki ,  Jun Takeda

    IPC: F21V9/14 ,  F21V8/00 ,  G02B5/30

    Abstract: Provided is a backlight unit capable of causing light that has exited from a light guide plate to be incident to a liquid crystal panel with high efficiency. The object is achieved by providing the backlight unit including a light source; a light guide plate that causes light to be incident to through an edge face and to exit through one of principal surfaces; and an optical film disposed on a surface of the light guide plate, the surface being on the opposite side of the light exiting surface, in which the optical film has a plurality of reflective polarizing elements each having a curved surface, and/or a plurality of reflective polarizing elements each having an inclined surface that is inclined with respect to the direction of light propagation of the light guide plate.

Patent Agency Ranking