中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

120 records (took 0.022 seconds)

    OPTICAL ELEMENT AND OPTICAL DEVICE
    91.
    发明申请
    OPTICAL ELEMENT AND OPTICAL DEVICE 审中-公开

    公开(公告)号：US20200081170A1

    公开(公告)日：2020-03-12

    申请号：US16685098

    申请日：2019-11-15

    Applicant: FUJIFILM Corporation

    Inventor： Yukito SAITOH ,  Hiroshi SATO

    IPC: G02B5/30 ,  F21V8/00

    Abstract: Provided is an optical element including a wavelength selective reflective polarizer and a λ/2 plate in which the λ/2 plate includes an optically anisotropic layer which has an optical axis in a direction parallel to a surface and is formed of a cured layer of a liquid crystal composition and has a liquid crystal alignment pattern in which an orientation of the optical axis changes while continuously rotating in at least one direction in a plane of the optically anisotropic layer, and light in the specific wavelength range which is circularly polarized light oriented in a direction opposite to that of the specific circularly polarized light among light incident on a surface of the optical element on the λ/2 plate side is reflected in a direction different from a regular reflection direction of the incident light.

    POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
    92.
    发明申请
    POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE 有权
    极化板和液晶显示装置

    公开(公告)号：US20160291225A1

    公开(公告)日：2016-10-06

    申请号：US15177776

    申请日：2016-06-09

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Akira YAMAMOTO ,  Yujiro YANAI

    IPC: G02B5/30 ,  G02F1/13363 ,  G02B1/14 ,  G02F1/1335

    CPC classification number: G02B5/3016 ,  G02B1/14 ,  G02F1/1335 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/133634 ,  G02F2001/133531 ,  G02F2001/133562 ,  G02F2413/08

    Abstract: The present invention provides a polarizing plate where, when the polarizing plate is applied to a liquid crystal display device, both thinning of the device and improvement in display performance such as prevention of light leakage, prevention of color variation, and suppression of display unevenness under a moist and hot environment can be achieved. The polarizing plate has, in this order, a first polarizer protective layer, a first polarizer, a first optically anisotropic layer including a liquid crystal compound X, and a second optically anisotropic layer including a liquid crystal compound Y, in which the thickness of the first optically anisotropic layer is 10 μm or less, the first optically anisotropic layer has predetermined Re(550) and Rth(550), the thickness of the second optically anisotropic layer is 10 μm or less, and has predetermined Re(550) and Rth(550), and the polarizing plate has a thickness of is 100 μm or less.

    Abstract translation: 本发明提供了一种偏振片，其中当将偏振片应用于液晶显示装置时，该装置的薄型化和显示性能的提高，例如防止漏光，防止颜色变化和抑制显示不均匀性 可以实现潮湿和潮湿的环境。 偏光板依次具有第一偏振片保护层，第一偏振片，包括液晶化合物X的第一光学各向异性层和包括液晶化合物Y的第二光学各向异性层，其中， 第一光学各向异性层为10μm以下，第一光学各向异性层具有规定的Re（550）和Rth（550），第二光学各向异性层的厚度为10μm以下，具有规定的Re（550）和Rth （550），并且所述偏振片的厚度为100μm以下。

    OPTICAL FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING OPTICAL FILM
    94.
    发明申请
    OPTICAL FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING OPTICAL FILM 有权
    光学薄膜，偏光板，液晶显示器及制造光学薄膜的方法

    公开(公告)号：US20140184988A1

    公开(公告)日：2014-07-03

    申请号：US14140910

    申请日：2013-12-26

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Yukito SAITOH ,  Mitsuyoshi ICHIHASHI

    IPC: G02F1/13363 ,  G02B5/30

    CPC classification number: G02B5/3016 ,  G02B1/04 ,  G02F2413/02 ,  G02F2413/10 ,  G02F2413/11 ,  C08L101/12

    Abstract: Provided is an optical film which is resistant to repelling, bright dots, irregularity, and the use of such an optical film in a liquid crystal display leads to high front contrast, reduced grayscale inversion, and a reduced difference between a front image and an oblique image in grayscale reproducibility and color. The optical film including a first optically anisotropic layer; and a second optically anisotropic layer on the first optically anisotropic layer, wherein the first optically anisotropic layer is a layer of liquid crystal compounds aligned and fixed by polymerization, and the surface tilt angle of molecules of the liquid crystal compound is in a range of 5° to 80° at a site in contact with the second optically anisotropic layer.

    Abstract translation: 提供了耐斥斥，亮点，不规则性的光学膜，并且在液晶显示器中使用这种光学膜导致高的对比度，降低的灰度级反转以及正面图像和斜面之间的差异 图像的灰度重现性和颜色。 所述光学膜包括第一光学各向异性层; 和第一光学各向异性层上的第二光学各向异性层，其中第一光学各向异性层是通过聚合排列和固定的液晶化合物层，液晶化合物的分子的表面倾斜角在5 在与第二光学各向异性层接触的位置处为80°。

    OPTICAL FILM, LIQUID CRYSTAL DISPLAY, TRANSFERRING MATERIAL, AND METHOD OF MANUFACTURING OPTICAL FILM
    95.
    发明申请
    OPTICAL FILM, LIQUID CRYSTAL DISPLAY, TRANSFERRING MATERIAL, AND METHOD OF MANUFACTURING OPTICAL FILM 审中-公开
    光学膜，液晶显示器，传输材料和制造光学膜的方法

    公开(公告)号：US20130083277A1

    公开(公告)日：2013-04-04

    申请号：US13628767

    申请日：2012-09-27

    Applicant: Fujifilm Corporation

    Inventor： Akira YAMAMOTO ,  Hiroshi SATO

    IPC: G02F1/1337

    CPC classification number: G02B5/3016 ,  G02B5/3033 ,  G02F2001/133633 ,  G02F2413/105

    Abstract: An optical film, which exhibits a high, optically compensatory function and can be stably manufactured by continuous production, can be provided. The optical film comprises an optically anisotropic layer comprising discotic liquid crystal fixed into a hybrid alignment, an adhesion layer having no alignment controllability and a substrate in that order, wherein the hybrid alignment is conditioned such that an angle defined by a director of the discotic liquid crystal in a region close to an interface with air and the normal to the film is larger than an angle defined by a director of the discotic liquid crystal in the vicinity of an interface with the adhesion layer and the normal to the film, and the total thickness of the film is 0.1 μm to 70 μm.

    Abstract translation: 可以提供表现出高光学补偿功能并且可以通过连续生产稳定制造的光学膜。 光学膜包括光学各向异性层，该光学各向异性层包括固定成混合取向的盘状液晶，不具有取向可控性的粘合层和依次的基板，其中混合对准被调节为使得由盘状液体的导向器限定的角度 在与空气接近的区域中的晶体和膜的法线大于在与粘合层和膜垂直的界面附近的盘状液晶的指向器限定的角度，并且总计 膜的厚度为0.1μm〜70μm。

    LIQUID CRYSTAL DIFFRACTION ELEMENT, IMAGE DISPLAY APPARATUS, AND HEAD MOUNTED DISPLAY
    96.
    发明公开
    LIQUID CRYSTAL DIFFRACTION ELEMENT, IMAGE DISPLAY APPARATUS, AND HEAD MOUNTED DISPLAY 审中-公开

    公开(公告)号：US20240319532A1

    公开(公告)日：2024-09-26

    申请号：US18679967

    申请日：2024-05-31

    Applicant: FUJIFILM Corporation

    Inventor： Takashi YONEMOTO ,  Masaaki SUZUKI ,  Koji IIJIMA ,  Hiroshi SATO ,  Ayato SEKINE

    IPC: G02F1/1335 ,  G02B27/01 ,  G02F1/13363

    CPC classification number: G02F1/133504 ,  G02B27/0172 ,  G02F1/13363

    Abstract: Provided are a liquid crystal diffraction element, an image display apparatus, and a head mounted display where occurrence of a ghost in a head mounted display such as VR glasses can be suppressed. The liquid crystal diffraction element includes at least an optically-anisotropic layer that is formed of a liquid crystal composition including a liquid crystal compound, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which an orientation of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, in a case where a length over which the optical axis rotates by 180 degrees in the one direction is set as a single period, the single period gradually changes in the one direction, and in a case where an average period of 50 periods in the one direction from a period having a longest length of the single period is represented by Λa and a main surface of the optically-anisotropic layer in a region having a period shorter than or equal to the average period Λa is observed with an optical microscope, both of a ratio between a maximum value and a minimum value among widths of 30 continuous bright lines and a ratio between a maximum value and a minimum value among widths of 30 continuous dark lines in the region are 1.2 or less.

    OPTICAL ELEMENT, IMAGE DISPLAY APPARATUS, HEAD-MOUNTED DISPLAY, SENSING APPARATUS, AND EYE TRACKING APPARATUS
    97.
    发明公开
    OPTICAL ELEMENT, IMAGE DISPLAY APPARATUS, HEAD-MOUNTED DISPLAY, SENSING APPARATUS, AND EYE TRACKING APPARATUS 审中-公开

    公开(公告)号：US20240103211A1

    公开(公告)日：2024-03-28

    申请号：US18497248

    申请日：2023-10-30

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Yukito SAITOH

    IPC: G02B5/30 ,  G02B27/00 ,  G02B27/01

    CPC classification number: G02B5/3016 ,  G02B27/0093 ,  G02B27/0172

    Abstract: The present invention provides an optical element in which the occurrence of sidelobe is suppressed and a reflectivity is high, an image display apparatus, a head-mounted display, a sensing apparatus, and an eye tracking apparatus. The optical element according to the present invention includes: at least one reflecting layer pair that is a combination of two reflective layers where turning directions of circularly polarized light to be reflected are opposite to each other and at least a part of reflection wavelength ranges is an overlapping part, in which the reflective layer includes a cholesteric liquid crystal layer obtained by immobilizing a cholesteric liquid crystalline phase, the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a depth position corresponding to 10% of a total helical pitch number of the reflective layer from one surface to another surface side of the reflective layer is set as a depth position X, a depth position corresponding to 90% of the total helical pitch number of the reflective layer from the one surface to the other surface side of the reflective layer is set as a depth position Y, a region from the one surface to the depth position X is set as a first region, a region from the depth position X to the depth position Y is set as a second region, and a region from the depth position Y to the other surface is set as a third region, at least one of birefringences in the first region and the third region is less than a birefringence in the second region.

    IMAGE DISPLAY APPARATUS AND AR GLASSES
    100.
    发明申请
    IMAGE DISPLAY APPARATUS AND AR GLASSES 有权

    公开(公告)号：US20220382060A1

    公开(公告)日：2022-12-01

    申请号：US17848994

    申请日：2022-06-24

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Katsumi SASATA ,  Yukito SAITOH

    IPC: G02B27/01 ,  G02F1/1335 ,  G02F1/1337

    Abstract: Provided are: an image display apparatus in which the utilization efficiency of a virtual image is high and the virtual image having high brightness uniformity can be displayed to be superimposed on a real image; and AR glasses including the image display apparatus. The image display apparatus includes: a display element; one or more cholesteric liquid crystal layers that reflect a display image of the display element; and a transparent reflection element that reflects the image reflected by the cholesteric liquid crystal layer to the cholesteric liquid crystal layer, in which at least one of the cholesteric liquid crystal layers has a structure having a region where a surface pitch changes in a thickness direction.

Patent Agency Ranking