公开(公告)号：US20200075896A1

公开(公告)日：2020-03-05

申请号：US16678821

申请日：2019-11-08

Applicant: FUJIFILM Corporation

Inventor： Ayako MURAMATSU ,  Daisuke KASHIWAGI ,  Shinichi YOSHINARI ,  Kunihiro ATSUMI ,  Ryoji GOTO

IPC: H01L51/52 ,  H01L27/32

Abstract: The present invention provides an organic EL image display device including a light emitting element substrate, and a circularly polarizing plate, in which the light emitting element substrate includes a reflecting layer and an organic electroluminescent layer on the reflecting layer, the reflecting layer, the organic electroluminescent layer, and the circularly polarizing plate are arranged in this order, a polarization separation layer is provided between the organic electroluminescent layer and the circularly polarizing plate, the polarization separation layer includes a polarization separation region that reflects light of one polarization state in light emitted from the organic electroluminescent layer, and transmits light of another polarization state, and a visible light transmission region, the polarization separation region is formed of a layer formed by immobilizing a cholesteric liquid crystalline phase, and a positive C region-containing layer is provided between the organic electroluminescent layer and the circularly polarizing plate. The organic EL image display device according to the present invention has high brightness and little light leakage and blurring at the time of oblique observation.

公开(公告)号：US20200041708A1

公开(公告)日：2020-02-06

申请号：US16597144

申请日：2019-10-09

Applicant: FUJIFILM Corporation

Inventor： Yukito SAITOH ,  Kunihiro ATSUMI ,  Teruki NIORI ,  Shinichi MORISHIMA

IPC: G02B5/30 ,  H01L51/52 ,  G02F1/13363

Abstract: An optical film is an optical film in which a cholesteric liquid crystalline phase is fixed and a helical axis of the cholesteric liquid crystalline phase is aligned in an in-plane uniaxial direction, and an Nz is 0.2 to 0.75.

公开(公告)号：US20200003942A1

公开(公告)日：2020-01-02

申请号：US16561452

申请日：2019-09-05

Applicant: FUJIFILM Corporation

Inventor： Kunihiro ATSUMI

IPC: G02B5/30

Abstract: The present invention provides: an organic electroluminescent display device that further suppresses reflection of external light when viewed in an oblique direction; a phase difference film; and a circularly polarizing plate. This display device has an organic electroluminescent display panel, and a circularly polarizing plate arranged on the display panel, in which the circularly polarizing plate has a polarizer and a phase difference film, the phase difference film has, from a side of the polarizer, a negative A-plate, and a positive A-plate, the in-plane retardation of the negative A-plate at a wavelength of 550 nm is more than 50 nm and less than 90 nm, and the in-plane retardation of the positive A-plate at a wavelength of 550 nm is 100 to 200 nm, and the angle formed by the in-plane slow axis of the negative A-plate and the in-plane slow axis of the positive A-plate is 45°±10°.

公开(公告)号：US20230138456A1

公开(公告)日：2023-05-04

申请号：US18147003

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Takashi IIZUMI ,  Soichiro WATANABE ,  Yutaka NOZOE ,  Kazushige NAKAGAWA ,  Kunihiro ATSUMI

IPC: H01L33/50 ,  C09K19/38

Abstract: An object of the present invention is to provide a binder composition in which air unevenness is suppressed and which has excellent upper layer coating properties after being formed as a layer, a compound, a binder layer, an optical laminate, an optical laminate manufacturing method, and an image display device. The binder composition of the present invention is a binder composition containing a binder and a compound having a group represented by Formula (B1) or (B2). In Formulae (B1) and (B2), Z represents an aliphatic hydrocarbon group having a fluorine atom or an organosiloxane group.

公开(公告)号：US20200264357A1

公开(公告)日：2020-08-20

申请号：US16867525

申请日：2020-05-05

Applicant: FUJIFILM Corporation

Inventor： Shinichi YOSHINARI ,  Ayako MURAMATSU ,  Naoya SHIBATA ,  Kunihiro ATSUMI ,  Daisuke KASHIWAGI

IPC: G02B5/30 ,  H01L27/32 ,  H01L51/52

Abstract: An object of the present invention is to provide is an optical laminate film exhibiting excellent uniformity in reflection tint and an organic EL display device using this optical laminate film and exhibiting excellent uniformity in reflection tint when turned off. The object is achieved by providing an optical laminate film including a polarizer, a phase difference layer, and a circularly polarized light separating layer in this order, in which an in-plane retardation Re(550) of the phase difference layer is 120 to 160 nm, the polarizer and the phase difference layer are arranged to form an angle of 45°±10°, the circularly polarized light separating layer is a cholesteric liquid crystal layer formed by fixing a cholesteric liquid crystalline phase, in a case where an average refractive index of the liquid crystal compound forming the circularly polarized light separating layer is n, a birefringence thereof is Δn, and a selective reflection center wavelength thereof is λ, it is “ReMAX [nm]=k×Δn×λ/n (where k=0.213)”, and an in-plane retardation Re(550) of the circularly polarized light separating layer satisfies “0.5×ReMax≤Re(550)≤R.

公开(公告)号：US20200095503A1

公开(公告)日：2020-03-26

申请号：US16686969

申请日：2019-11-18

Applicant: FUJIFILM Corporation

Inventor： Hideyuki NISHIKAWA ,  Kunihiro ATSUMI ,  Yutaka NOZOE ,  Yuki NAKAZAWA

IPC: C09K19/38 ,  G02B5/30 ,  G02F1/1335 ,  H01L51/52 ,  C09K19/54

Abstract: An object of the present invention is to provide a polymerizable liquid crystal composition which has excellent coating properties, is capable of suppressing film thickness unevenness, and has good coating properties for an upper layer coating liquid after being formed as an optically anisotropic layer, an anisotropic layer formed using the same; an optical laminate; a method for producing an optical laminate, and an image display device. The polymerizable liquid crystal composition of the embodiment of the present invention is a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound, a polymerization initiator, and a compound having a monovalent specific group including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the specific group has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group.

公开(公告)号：US20190204614A1

公开(公告)日：2019-07-04

申请号：US16297743

申请日：2019-03-11

Applicant: FUJIFILM CORPORATION

Inventor： Yukito SAITOH ,  Kunihiro ATSUMI ,  Naoyoshi YAMADA ,  Daisuke KASHIWAGI ,  Shigeaki NIMURA ,  Mitsuyoshi ICHIHASHI ,  Rie TAKASAGO

IPC: G02B27/28 ,  G02B3/00

CPC classification number: G02B27/285 ,  G02B3/00 ,  G02B3/005 ,  G02B3/14 ,  G02B5/26 ,  G02B5/30

Abstract: An optical laminate includes a cholesteric liquid crystal layer and a lenticular lens which is laminated on the cholesteric liquid crystal layer, the cholesteric liquid crystal layer has a plurality of regions which are arranged in a pattern in an arrangement direction of lenses of the lenticular lens and are different from each other in terms of the reflection center wavelength for front incident light, and among the plurality of regions, a region having the shortest reflection center wavelength is disposed at a focus position of the lenticular lens for the front incident light, and among the plurality of regions, a region having a longer reflection center wavelength is disposed further away from the focus position.

公开(公告)号：US20180164481A1

公开(公告)日：2018-06-14

申请号：US15894449

申请日：2018-02-12

Applicant: FUJIFILM Corporation

Inventor： Kunihiro ATSUMI ,  Yukito SAITOH ,  Katsufumi OHMURO ,  Jun TAKEDA ,  Shinichi MORISHIMA

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

CPC classification number: G02B5/3016 ,  G02B5/30 ,  G02F1/133536 ,  G02F1/13363 ,  G02F2001/133638 ,  G02F2413/01 ,  G02F2413/05

Abstract: The present invention includes an optical element of which an oblique tint change can be improved in a case of the optical element is incorporated to a liquid crystal display device, a method of manufacturing an optical element, and a liquid crystal display device. The optical element includes: a reflection polarizer which is formed of a discotic liquid crystal compound and in which a cholesteric liquid crystalline phase is immobilized, in which, in the reflection polarizer, a front retardation value Re satisfies 0 nm≤Re

公开(公告)号：US20250093564A1

公开(公告)日：2025-03-20

申请号：US18961082

申请日：2024-11-26

Applicant: FUJIFILM Corporation

Inventor： Jun ISHIYAMA ,  Kunihiro ATSUMI ,  Ayako MURAMATSU

IPC: G02B5/30 ,  B32B7/023 ,  G02F1/1335 ,  G02F1/13363

Abstract: A laminate in which the occurrence of cracks is suppressed, and a laminate with a pressure-sensitive adhesive layer, a polarizing plate, and an image display device which use the laminate. The laminate includes a first optically anisotropic layer; and a second optically anisotropic layer, the first optically anisotropic layer and the second optically anisotropic layer being laminated directly or through an alignment film, in which the first optically anisotropic layer satisfies Expression (A) nx>ny, the second optically anisotropic layer satisfies Expression (B) nx 1.0, Expression (4)−40 nm≤Rth(550)≤70 nm, Expression (5) Rth(550)

公开(公告)号：US20230213695A1

公开(公告)日：2023-07-06

申请号：US18181558

申请日：2023-03-10

Applicant: FUJIFILM Corporation

Inventor： Kunihiro ATSUMI ,  Naoya SHIBATA

IPC: G02B5/30

CPC classification number: G02B5/3016

Abstract: An object of the present invention is to provide a laminate which includes a light absorption anisotropic layer and an optically anisotropic layer and has excellent moisture-heat resistance, and a polarizing plate and an image display device which are formed of the laminate. The laminate of the present invention is a laminate including a light absorption anisotropic layer and an optically anisotropic layer, in which the light absorption anisotropic layer contains an organic dichroic substance, the optically anisotropic layer consists of a liquid crystal layer, an axial direction of an absorption axis of the light absorption anisotropic layer is different from an axial direction of a slow axis of the optically anisotropic layer, and the light absorption anisotropic layer and the optically anisotropic layer are directly laminated.