中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

29 records (took 0.022 seconds)

    Photochromic polarizing plate and shutter polarizing plate
    11.
    发明授权
    Photochromic polarizing plate and shutter polarizing plate 有权
    光致变色偏光板和快门偏光板

    公开(公告)号：US08934170B2

    公开(公告)日：2015-01-13

    申请号：US13661329

    申请日：2012-10-26

    Applicant: FUJIFILM Corporation

    Inventor： Jun Takeda ,  Shinichi Morishima

    IPC: G02B5/30 ,  G02B5/23 ,  G02F1/13363

    CPC classification number: G02B5/23 ,  G02B5/3025 ,  G02B5/3083 ,  G02F1/13363 ,  G02F2001/133631

    Abstract: Provided is a photochromic polarizing plate exhibiting reduced tint. The photochromic polarizing plate contains a laminate including at least one film, a polarizer, and an optically transparent substrate, wherein the photochromic polarizing plate has a single-plate transmittance T1(λ)% and a crossed transmittance T2(λ)% at a wavelength of λ nm satisfying Formulae (1) to (4): Formula (1) 55%≧T1(430)≧38%; Formula (2) 60%≧T1(590)≧42.5%; Formula (3) 1.0≧T1(430)/T1(590)≧0.9; and Formula (4) T2(430)≧0.02%.

    Abstract translation: 提供一种显示减少的着色的光致变色偏振片。 光致变色偏光板包含至少一层膜，偏振片和光学透明基板的层压体，其中，光致变色偏光板在波长处具有单板透射率T1（λ）％和交叉透射率T2（λ）％ 满足式（1）〜（4）的λnm：式（1）55％≥T1（430）≥38％ 式（2）60％≥T1（590）≥42.5％; 式（3）1.0≥T1（430）/ T1（590）≥0.9; 和式（4）T2（430）≥0.02％。

    Laminate and image display device
    14.
    发明授权
    Laminate and image display device 有权

    公开(公告)号：US11656393B2

    公开(公告)日：2023-05-23

    申请号：US17177547

    申请日：2021-02-17

    Applicant: FUJIFILM Corporation

    Inventor： Naoya Shibata ,  Jun Takeda ,  Yuta Fukushima ,  Ayako Muramatsu

    IPC: G02B5/30 ,  C08F116/06 ,  C09D183/04

    CPC classification number: G02B5/3016 ,  C08F116/06 ,  C09D183/04 ,  H10K50/86

    Abstract: The present invention provides a laminate used in an image display device the laminate including an optically anisotropic layer, a light-absorbing anisotropic layer, a refractive index-adjusting layer, and an oxygen shielding layer in this order, where the light-absorbing anisotropic layer is formed of a composition containing dichroic azo coloring agent and liquid crystalline compounds, where the dichroic azo coloring agent compound is 10% to 30% by mass with respect to a mass of a total solid content of the light-absorbing anisotropic layer, a degree of alignment of the light-absorbing anisotropic layer is 0.92 or higher, the refractive index-adjusting layer is formed of a composition containing a crosslinkable group compound, and has an in-plane average refractive index of 1.55 to 1.70 (550 nm λ), and an angle formed by an in-plane slow axis of the optically anisotropic layer and an absorption axis of the light-absorbing anisotropic layer is 45°±10°.

    Laminate and optical film
    16.
    发明授权
    Laminate and optical film 有权

    公开(公告)号：US10585312B2

    公开(公告)日：2020-03-10

    申请号：US15684219

    申请日：2017-08-23

    Applicant: FUJIFILM Corporation

    Inventor： Nobuyuki Akutagawa ,  Jun Takeda ,  Akio Tamura

    IPC: G02F1/1337 ,  G02F1/1335 ,  G02F1/13363

    Abstract: A laminate is capable of forming an orientation film formed by orienting a rod-like liquid crystal compound or a disk-like liquid crystal compound having a horizontal orientation ability or a vertical orientation ability with respect to a surface of the laminate, on the surface, by using an orientation restraining force of the surface, the laminate including: a cholesteric liquid crystal layer. An optical film sequentially includes: a support; a cholesteric liquid crystal layer; and an orientation film.

    Polarizing element, circularly polarizing plate, and image display device
    19.
    发明授权
    Polarizing element, circularly polarizing plate, and image display device 有权

    公开(公告)号：US11703708B2

    公开(公告)日：2023-07-18

    申请号：US17071245

    申请日：2020-10-15

    Applicant: FUJIFILM Corporation

    Inventor： Yasukazu Kuwayama ,  Jun Takeda ,  Naoki Koito

    IPC: G02F1/1335 ,  G02F1/1337 ,  H10K59/50

    CPC classification number: G02F1/133528 ,  G02F1/1337 ,  G02F1/133502 ,  H10K59/50 ,  G02F1/133541 ,  G02F2201/08 ,  G02F2202/043

    Abstract: An object of the present invention is to provide a polarizing element which has an excellent antireflection function in a case of being applied to an image display device; and a circularly polarizing plate and an image display device, each of which has the polarizing element. The polarizing element of an embodiment of the present invention is a polarizing element having an alignment film and an anisotropic light-absorbing film formed using a dichroic substance, in which the alignment film is a photoalignment film formed using a composition for forming a photoalignment film, including a photoactive compound having a polymerizable group and a photoreactive group, a degree S of alignment of the anisotropic light-absorbing film is 0.92 or more, and an average refractive index nave at a wavelength of 400 to 700 nm of the alignment film is 1.55 to 2.0.

Patent Agency Ranking