公开(公告)号：US12019336B2

公开(公告)日：2024-06-25

申请号：US18046059

申请日：2022-10-12

Applicant: FUJIFILM Corporation

Inventor： Katsufumi Ohmuro ,  Naoyoshi Yamada ,  Fumitake Mitobe ,  Naoya Shibata

IPC: G02F1/13363 ,  G02F1/00 ,  G02F1/1333 ,  G02F1/139

CPC classification number: G02F1/133636 ,  G02F1/0063 ,  G02F1/133331 ,  G02F1/1396

Abstract: Provided is an optical laminate, an image display device, and a glass composite which are capable of sufficiently shielding light emitted in a direction oblique to a normal direction of a film without occurrence of moire even in a case of being used in a combination with a high-definition image display device. The optical laminate includes, in order, at least a first light absorption anisotropic layer, a refractive index anisotropic layer formed of a one or more layers that contain a liquid crystal compound having a twisted structure, and a second light absorption anisotropic layer, in which the first light absorption anisotropic layer and the second light absorption anisotropic layer contain an anisotropic absorbing material and each have an absorption axis that is aligned at an angle of 60° to 90° with respect to a film surface.

公开(公告)号：US11960182B2

公开(公告)日：2024-04-16

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: G02F1/13363 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/135 ,  H01J49/40

CPC classification number: G02F1/1351 ,  G02F1/133354 ,  G02F1/133509 ,  G02F1/13363 ,  H01J49/40

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.

公开(公告)号：US11535761B2

公开(公告)日：2022-12-27

申请号：US16248098

申请日：2019-01-15

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi Yamada ,  Ryo Satake ,  Natsuru Chikushi ,  Kyohei Arayama

IPC: C09K11/02 ,  C09K11/08 ,  C09K11/56 ,  C09K11/70 ,  H01L33/50 ,  G02F1/017 ,  C09D5/22 ,  F21S2/00 ,  G02B5/20 ,  C09K11/88 ,  G02F1/00 ,  C08F220/18 ,  B82Y30/00 ,  C09D133/08 ,  C09D133/10 ,  F21V8/00

Abstract: A quantum dot-containing composition includes a quantum dot, a ligand having coordinating groups, which coordinates to the surface of the quantum dots, and the ligand is represented by Formula I. In Formula I, A is an organic group including one or more coordinating groups selected from an amino group, a carboxy group, a mercapto group, a phosphine group, and a phosphine oxide group, Z is an (n+m+l)-valent organic linking group, R is a group including an alkyl group, an alkenyl group, or an alkynyl group each of which may have a substituent, Y is a group having a polymer chain which has a degree of polymerization of 3 or greater and which includes a polyacrylate skeleton or the like. n and m are each independently 1 or greater, l is 0 or greater, and n+m+l is integer 3 or greater. At least two coordinating groups are included in a molecule.

公开(公告)号：US10267973B2

公开(公告)日：2019-04-23

申请号：US15363109

申请日：2016-11-29

Applicant: FUJIFILM Corporation

Inventor： Yukito Saitoh ,  Yujiro Yanai ,  Naoyoshi Yamada ,  Takashi Yonemoto

IPC: G02F1/1335 ,  F21V8/00 ,  H01L33/50

Abstract: Provided is a wavelength conversion member, including: a wavelength conversion layer containing a quantum dot which is excited by excitation light and emits fluorescent light; and an adjacent layer directly laminated on the wavelength conversion layer, in which the shape of an interface between the wavelength conversion layer and the adjacent layer includes an irregular shape formed of a concave portion and a convex portion. Provided are a backlight unit, a polarizing plate, a liquid crystal panel, and a liquid crystal display device: including the wavelength conversion member.

公开(公告)号：US10203554B2

公开(公告)日：2019-02-12

申请号：US15617419

申请日：2017-06-08

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi Yamada ,  Hideaki Ito ,  Toshio Hara

IPC: G02F1/1333 ,  G02F1/1335 ,  F21V9/30 ,  C09K11/08 ,  H01L33/50 ,  C08K3/30 ,  C08K9/10 ,  C09K11/02 ,  C09K11/56 ,  C09K11/88 ,  F21V8/00 ,  B29D11/00

Abstract: The invention provides a wavelength conversion member including a wavelength conversion layer which includes a second cured product and a first cured product dispersed as spheres in the second cured product, the first cured product being obtained by curing a first polymerizable composition including a quantum dot and a first polymerizable compound, and the second cured product being obtained by curing a second polymerizable composition including a second polymerizable compound. The invention further provides a backlight unit and a liquid crystal display device including the wavelength conversion member.

公开(公告)号：US09645438B2

公开(公告)日：2017-05-09

申请号：US14924879

申请日：2015-10-28

Applicant: FUJIFILM Corporation

Inventor： Megumi Sekiguchi ,  Hiromichi Furukawa ,  Naoyoshi Yamada

IPC: G02F1/1335 ,  G02B5/30 ,  G02F1/1333

CPC classification number: G02F1/133528 ,  G02B5/305 ,  G02F1/133602 ,  G02F2001/133302 ,  G02F2001/133562 ,  G02F2001/133567 ,  G02F2201/50 ,  G02F2201/54 ,  G02F2202/28

Abstract: Provided is a liquid crystal display device including a liquid crystal cell having a liquid crystal layer between two glass substrates, a front-side polarizing plate provided on a front side of the liquid crystal cell, a rear polarizer provided on a rear side of the liquid crystal cell, and a backlight provided on a rear side of the rear polarizer, in which the front-side polarizing plate has a first protective film, a polarizer, and a second protective film in this order from a surface side opposite to the liquid crystal cell, the first protective film in the front-side polarizing plate is a film including a polyester resin or a polycarbonate resin as a main component, an Re of the first protective film is 3000 nm or higher, an equilibrium moisture content of the second protective film at 25° C. and a relative humidity of 60% is in a range of 1% to 3%, and in the second protective film, a contractile force in a direction orthogonal to an absorption axis of the polarizer is 1.3 times or higher a contractile force in a direction parallel to the absorption axis of the polarizer which is capable of suppressing luminance unevenness at the four corners of the panel when a backlight is turned on after the liquid crystal display device has been stored in a hot and humid environment.

公开(公告)号：US12259568B2

公开(公告)日：2025-03-25

申请号：US17721997

申请日：2022-04-15

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai ,  Naoyoshi Yamada

IPC: G02B30/56 ,  F21V8/00

Abstract: Provided is an image display apparatus that has a small overall apparatus volume and can be miniaturized. The image display apparatus includes an image display element; a light guide plate on which light emitted by the image display element is incident and which internally and totally reflects the light satisfying a total reflection condition to guide the light; and a retroreflective element that is provided on a surface of the light guide plate and retroreflects the light guided in the light guide plate.

公开(公告)号：US12216275B2

公开(公告)日：2025-02-04

申请号：US18538749

申请日：2023-12-13

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi Yamada

IPC: G02B5/30 ,  B29D11/00 ,  G02B23/14 ,  G02B27/00 ,  G06F1/16

Abstract: A method of producing an absorbing polarizer which has a plurality of regions where directions of absorption axes are different from each other and has a curved surface portion. The method includes a step of forming a layer of a composition for forming a photo-alignment film that contains a photo-alignment agent on a surface of a resin base material, a step of forming the alignment film by irradiating the layer with ultraviolet rays of linearly polarized light via a lens, and aligning the photo-alignment agent, and a step of coating a surface of an alignment film with a composition containing a liquid crystal compound and a dichroic substance. The alignment film has a curved surface portion and a plurality of regions where directions of an alignment regulating force are different from each other.

公开(公告)号：US12135431B2

公开(公告)日：2024-11-05

申请号：US18453152

申请日：2023-08-21

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi Yamada ,  Hirofumi Toyama ,  Yukito Saitoh

IPC: G02B27/01 ,  G02B5/30 ,  G02B27/00 ,  G02B27/28 ,  G06F3/01

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.

公开(公告)号：US11982897B2

公开(公告)日：2024-05-14

申请号：US17944840

申请日：2022-09-14

Applicant: FUJIFILM Corporation

Inventor： Naoya Shibata ,  Naoya Nishimura ,  Naoyoshi Yamada ,  Wataru Hoshino ,  Shinya Watanabe

IPC: G02F1/1335 ,  G02F1/13363

CPC classification number: G02F1/133531 ,  G02F1/133633 ,  G02F2201/08 ,  G02F2202/043

Abstract: A liquid crystal display device includes a first polarizer, a liquid crystal cell, and a second polarizer in this order from a viewing side, in which a first light absorption anisotropic layer is disposed on the viewing side of the liquid crystal cell, a second light absorption anisotropic layer is disposed on a non-viewing side of the liquid crystal cell, the first and second polarizers each have an absorption axis in a film surface, the absorption axis of the first polarizer is orthogonal to the absorption axis of the second polarizer, an angle θ1 between a transmittance central axis of the first anisotropic layer and a normal line of the film is in a range of 0° to 45°, and an angle θ2 between a transmittance central axis of the second anisotropic layer and a normal line of the film is in a range of 0° to 45°.