公开(公告)号：US20250035830A1

公开(公告)日：2025-01-30

申请号：US18890877

申请日：2024-09-20

Applicant: FUJIFILM Corporation

Inventor： Ryuji SANETO ,  Naoyoshi YAMADA ,  Yohei HAMACHI ,  Takehiro KASAHARA

IPC: G02B5/30 ,  B29D11/00 ,  B29K105/00

Abstract: An object of the present invention is to provide a forming method capable of obtaining an optical film in which occurrence of ghost can be suppressed in a case of being used in, for example, a virtual reality display apparatus; an optical film; a cholesteric liquid crystal layer; an optical laminate; and a production method of a curved-shaped optically functional layer. The object is achieved by a forming method including a heating step of heating an optical film, a forming step of pressing the optical film against a mold to deform the optical film, and a cutting step of cutting the optical film, in which the heating step is a step of heating the optical film by irradiating the optical film with infrared rays, and an irradiation amount of the infrared rays has a distribution in a plane of the optical film.

公开(公告)号：US20240069264A1

公开(公告)日：2024-02-29

申请号：US18453716

申请日：2023-08-22

Applicant: FUJIFILM Corporation

Inventor： Shinichi YOSHINARI ,  Naoyoshi YAMADA ,  Naoya NISHIMURA ,  Shinya WATANABE ,  Naoya SHIBATA

IPC: G02B5/30 ,  G02B1/08

CPC classification number: G02B5/3016 ,  G02B1/08

Abstract: Provided is a laminate capable of reducing a change in hue of a reflected image in the surroundings (for example, window glass) from an original image, suppressing a hue shift of particularly the reflected image to redness, and suppressing the reflected image from being conspicuous, a reflection prevention system including this laminate, and an image display device including this laminate. The laminate includes a polarizer having an absorption axis in an in-plane direction, a light absorption anisotropic layer containing a liquid crystal compound and a dichroic substance, and a linear polarization conversion layer, in which an angle between a transmittance central axis of the light absorption anisotropic layer and a normal line of a layer plane of the light absorption anisotropic layer is 0° or greater and 45° or less.

公开(公告)号：US20240019810A1

公开(公告)日：2024-01-18

申请号：US18476500

申请日：2023-09-28

Applicant: FUJIFILM Corporation

Inventor： Megumi SEKIGUCHI ,  Naoyoshi YAMADA ,  Takehiro KASAHARA ,  Yukito SAITOH ,  Ryoji HIMENO ,  Makoto KAMO

IPC: G03H1/00 ,  G06F3/01 ,  G03H1/04

CPC classification number: G03H1/0005 ,  G06F3/013 ,  G03H1/0406

Abstract: An object of the present invention is to provide an image display device capable of easily detecting an eye gaze. The object is achieved by providing an image display optical system; an infrared light source that irradiates an eyeball of a user with infrared light; a hologram element that transmits infrared light emitted by the infrared light source and reflected by the eyeball of the user; and an infrared light image sensor that images infrared light transmitted through the hologram element, in which the hologram element acts on infrared light without acting on visible light and emits reproduced infrared light with an intensity distribution in a plane direction corresponding to an eye gaze of the user.

公开(公告)号：US20240004465A1

公开(公告)日：2024-01-04

申请号：US18467125

申请日：2023-09-14

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi YAMADA ,  Megumi SEKIGUCHI

IPC: G06F3/01 ,  G06T15/00 ,  H04N23/11 ,  G02B5/08 ,  G02B5/30

CPC classification number: G06F3/013 ,  G06T15/00 ,  G02B5/30 ,  G02B5/08 ,  H04N23/11

Abstract: An object is to provide an eye gaze tracking system capable of easily detecting an eye gaze, and a virtual image display device using the same. The object is achieved by providing an infrared light source array, a virtual image generation optical system, and an infrared light detector, and by sequentially turning on infrared light sources of the infrared light source array, collimating rays of infrared light through the virtual image generation optical system, making the collimated rays of infrared light incident on a user's eye at different angles, respectively, and detecting, among the rays of infrared light incident on the eye, a ray of infrared light incident on a retina through a pupil and reflected by the retina through the infrared light detector.

公开(公告)号：US20240004426A1

公开(公告)日：2024-01-04

申请号：US18463025

申请日：2023-09-07

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi YAMADA ,  Naoya SHIBATA

IPC: G06F1/16 ,  H01L27/15 ,  H10K50/11 ,  G02B5/30

CPC classification number: G06F1/1616 ,  G06F1/1641 ,  G02B5/3025 ,  H01L27/156 ,  H10K50/11 ,  G06F1/1654

Abstract: Provided is an image display device that includes a plurality of image display units disposed adjacent to each other and is capable of reducing an interval between image display surfaces of the adjacent image display units. The image display device includes a plurality of image display units and polarizers disposed on image display surface sides of the image display units, in which the image display units are disposed adjacent to each other, and the polarizers contain a dichroic substance and a liquid crystal compound.

公开(公告)号：US20230099442A1

公开(公告)日：2023-03-30

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 ,  G02F1/1333 ,  G02F1/00 ,  G02F1/139

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：US20190383992A1

公开(公告)日：2019-12-19

申请号：US16544303

申请日：2019-08-19

Applicant: FUJIFILM Corporation

Inventor： Megumi SEKIGUCHI ,  Naoyoshi YAMADA

IPC: F21V8/00

Abstract: A light guide film that is bendable, has a strong resistance to impact, and can perform the adjustment of the brightness per region, and a backlight unit. The light guide film includes a plurality of optical units each of which includes a light guide portion and an emission portion; and a resin portion that is filled between the optical units adjacent to each other, in which the light guide portion guides light incident from a light source to the emission portion, the emission portion emits light guided and incident from the light guide portion from a light emission surface, the plurality of optical units are arranged in a plane direction of the light emission surfaces such that the light emission surfaces of the emission portions are parallel to each other, and the light guide portions and the emission portions are arranged in the plane direction of the light emission surfaces.

公开(公告)号：US20180079868A1

公开(公告)日：2018-03-22

申请号：US15822727

申请日：2017-11-27

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi YAMADA ,  Natsuru CHIKUSHI ,  Kyohei ARAYAMA

IPC: C08G77/388 ,  G02F1/017 ,  G02F1/1335

CPC classification number: C08G77/388 ,  B82Y30/00 ,  B82Y40/00 ,  C09K11/025 ,  C09K19/00 ,  C09K19/54 ,  G02F1/017 ,  G02F1/133509 ,  G02F1/133615 ,  G02F2001/01791 ,  G02F2001/133614 ,  G02F2202/36 ,  G02F2203/055

Abstract: A quantum dot-containing composition including a quantum dot; and a ligand having a coordinating group coordinated with a surface of the quantum dot, in which 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 the number of 1 or greater, l is the number of 0 or greater, and n+m+l is an integer of 3 or greater.

公开(公告)号：US20170321115A1

公开(公告)日：2017-11-09

申请号：US15660312

申请日：2017-07-26

Applicant: FUJIFILM Corporation

Inventor： Ryo SATAKE ,  Makoto KAMO ,  Naoyoshi YAMADA ,  Tatsuya OBA

IPC: C09K11/02 ,  G02B5/12 ,  F21V9/16

CPC classification number: C09K11/02 ,  F21V9/30 ,  G02B5/12 ,  G02F2001/133614 ,  G02F2201/50 ,  G02F2202/36 ,  H01L33/50 ,  H01L33/501

Abstract: Provided is a wavelength conversion member including: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and are dispersed in an organic matrix; an intermediate layer that is provided adjacent to at least one main surface of the wavelength conversion layer; and a barrier layer that is provided adjacent to a main surface of the intermediate layer opposite to the wavelength conversion layer and includes silicon nitride and/or silicon oxynitride as a major component, in which the organic matrix is obtained by curing a curable composition including at least an alicyclic epoxy compound, and the intermediate layer includes a chemical structure A which is bonded to silicon nitride and/or silicon oxynitride as a major component of the barrier layer and a chemical structure B which is bonded to the organic matrix.

公开(公告)号：US20170192145A1

公开(公告)日：2017-07-06

申请号：US15465914

申请日：2017-03-22

Applicant: FUJIFILM Corporation

Inventor： Yusuke FURUKI ,  Naoyoshi YAMADA ,  Masakane MUTO

IPC: G02B5/30 ,  H01L51/52

CPC classification number: G02B5/3016 ,  B32B7/02 ,  G02B5/30 ,  G02B5/3041 ,  H01L51/5281 ,  H01L51/5293 ,  H05B33/02

Abstract: The present invention provides a circularly polarizing plate that improves the visibility of black color in an oblique direction when being applied to a display device and having a small thickness, the display device including a circularly polarizing plate. The circularly polarizing plate is a circularly polarizing plate including, in this order, a polarizer, a λ/2 plate, and a λ/4 plate, in which the λ/2 plate is a laminate of a first A-plate and a first C-plate, the λ/4 plate is a laminate of a second A-plate and a second C-plate, one of the first C-plate and the second C-plate is a cellulose acylate film having a predetermined Rth, and the other of the first C-plate and the second C-plate is an optically anisotropic layer including a liquid crystal compound having a predetermined Rth or a cellulose acylate film having a predetermined Rth.