公开(公告)号：US20230273360A1

公开(公告)日：2023-08-31

申请号：US18169006

申请日：2023-02-14

Applicant: FUJIFILM Corporation

Inventor： Shuhei OKUDA

IPC: G02B5/30

CPC classification number: G02B5/3083 ,  G02B5/3016

Abstract: Provided are a phase difference plate, a phase difference plate with a temporary support, a circularly polarizing plate, and a display device, in which, when the phase difference plate is combined with a polarizer and then applied as a circularly polarizing plate to a display device and a display device in black display is observed from a front direction and an oblique direction under a fluorescent lamp, tinting of black color is suppressed in any direction. The phase difference plate includes at least three or more optically anisotropic layers, in which the layers are laminated in in direct contact with each other, the phase difference plate includes a first optically anisotropic layer which is formed by fixing a vertically aligned disk-like liquid crystal compound, and a second optically anisotropic layer which is formed by fixing a rod-like liquid crystal compound twist-aligned along a helical axis extending in a thickness direction.

公开(公告)号：US20230093491A1

公开(公告)日：2023-03-23

申请号：US17889932

申请日：2022-08-17

Applicant: FUJIFILM Corporation

Inventor： Shuhei OKUDA

IPC: G02B5/30

Abstract: An optical film suppresses at any azimuthal angle where the optical film is combined with a polarizer and applied as a circularly polarizing plate to a display device; a circularly polarizing plate; and a display device. The optical film includes a first, a second, and a third optically anisotropic layer in this order, in which the first layer is formed by fixing a vertically aligned disk-like liquid crystal compound or formed by fixing a horizontally aligned rod-like liquid crystal compound, the secondo layer is formed by fixing a rod-like liquid crystal compound twist-aligned along a helical axis extending in a thickness direction, the third layer is formed by fixing a vertically aligned rod-like liquid crystal compound, and at least one of the first, second, or third layers is formed of a liquid crystal compound containing a reverse wavelength dispersion liquid crystal compound.

公开(公告)号：US20190168482A1

公开(公告)日：2019-06-06

申请号：US16267846

申请日：2019-02-05

Applicant: FUJIFILM Corporation

Inventor： Shuhei OKUDA ,  Daiki WAKIZAKA

IPC: B32B7/06 ,  B32B7/12 ,  B32B27/36 ,  B32B7/02 ,  B32B27/30

Abstract: A peelable laminated film in which a substrate film containing a polyester resin and a light transmitting film containing a resin having a glass transition temperature of higher than 80° C. and an aromatic ester compound are laminated, and a method for producing a polarizing plate which contains bonding a surface of the light transmitting film of the peelable laminated film to a polarizer through an adhesive, the surface being opposite to an interface of the light transmitting film to the substrate film, and then peeling off the substrate film to obtain a polarizing plate having the polarizer and the light transmitting film are provided.

公开(公告)号：US20210207028A1

公开(公告)日：2021-07-08

申请号：US17208255

申请日：2021-03-22

Applicant: FUJIFILM Corporation

Inventor： Shunya KATOH ,  Yuki FUKUSHIMA ,  Shuhei OKUDA ,  Koji IIJIMA ,  Masato NAKAO

IPC: C09K19/04 ,  G02B5/30 ,  C08G61/04 ,  C08J5/18 ,  G02F1/1337 ,  G02F1/13363 ,  G02F1/1335

Abstract: An object of the present invention is to provide a polymer compound in which, by blending with a liquid crystal composition containing a liquid crystalline compound, alignment of the liquid crystalline compound in a phase difference layer to be obtained increases; and a liquid crystal composition, a phase difference layer, an optical film, a polarizing plate, and an image display device using the same. The polymer compound of the present invention is a polymer compound including a repeating unit represented by Formula (I), a repeating unit represented by Formula (II), a repeating unit represented by Formula (III), and a repeating unit represented by Formula (IV).

公开(公告)号：US20180329256A1

公开(公告)日：2018-11-15

申请号：US16026532

申请日：2018-07-03

Applicant: FUJIFILM Corporation

Inventor： Shuhei OKUDA ,  Yasuyuki SASADA

IPC: G02F1/1335 ,  G02F1/1343 ,  B32B7/12 ,  B32B27/08 ,  B32B27/30

CPC classification number: G02F1/133528 ,  B32B7/12 ,  B32B27/08 ,  B32B27/306 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2457/202 ,  B32B2551/00 ,  G02F1/134363 ,  G02F2202/28

Abstract: According to the present invention, provided are a polarizing plate including: a polarizing layer; and a transparent layer, in which the transparent layer and the polarizing layer are adhered to each other through an adhesive layer, a film thickness of the adhesive layer is in a range of 1 to 1000 nm, a film thickness of the transparent layer is in a range of 0.1 to 10 μm, a sign of an orientation birefringence and a sign of a photoelastic coefficient of the transparent layer are opposite to each other, and an absolute value of the photoelastic coefficient of the transparent layer is 2×10−12 Pa−1 or greater; and a liquid crystal display device including the polarizing plate.

公开(公告)号：US20180321532A1

公开(公告)日：2018-11-08

申请号：US16039725

申请日：2018-07-19

Applicant: FUJIFILM Corporation

Inventor： Yasuyuki SASADA ,  Shuhei OKUDA

IPC: G02F1/13363 ,  B32B27/18 ,  B32B7/12 ,  B32B27/30 ,  G02F1/1335

CPC classification number: G02F1/13363 ,  B32B7/12 ,  B32B27/18 ,  B32B27/302 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/726 ,  B32B2307/732 ,  B32B2307/746 ,  B32B2457/202 ,  G02F1/133528 ,  G02F1/134363 ,  G02F2201/54 ,  G02F2202/022 ,  G02F2202/22 ,  G02F2202/28

Abstract: Provided are a laminate including at least: a polarizing layer, an adhesive layer, a transparent layer, and a layer which contains an antistatic agent in this order, in which a thickness of the transparent layer is in a range of 0.1 to 5 μm, and a transition ratio of the antistatic agent after high temperature and high humidity test is in a range of 0% to 30%; and a liquid crystal display device including the laminate.