公开(公告)号：US20240142682A1

公开(公告)日：2024-05-02

申请号：US18481056

申请日：2023-10-04

Applicant: FUJIFILM Corporation

Inventor： Mayumi NOJIRI ,  Ayako MURAMATSU ,  Naoya SHIBATA ,  Yuki HIRAI ,  Ryoji HIMENO ,  Shinichi MORISHIMA ,  Takashi KATOU

IPC: G02B5/20 ,  C09K19/60 ,  G02B5/30

CPC classification number: G02B5/208 ,  C09K19/60 ,  G02B5/3058

Abstract: A light absorption anisotropic layer which has a high S/N ratio for generating polarized light with respect to rays in an infrared wavelength region, is lightweight, and has excellent handleability, a laminate, and a sensor system including the light absorption anisotropic layer or the laminate. The light absorption anisotropic layer contains a dichroic coloring agent having a maximal absorption at a wavelength of 700 to 1500 nm, in which an average absorbance at a wavelength of 850 nm is 0.24 to 0.50 and a thickness is 5 μm or less.

公开(公告)号：US20200369960A1

公开(公告)日：2020-11-26

申请号：US16991202

申请日：2020-08-12

Applicant: FUJIFILM Corporation

Inventor： Ayako MURAMATSU ,  Ryo SATAKE ,  Mayumi NOJIRI ,  Aiko YOSHIDA ,  Keita TAKAHASHI

IPC: C09K19/38 ,  G02B5/30

Abstract: An object of the present invention is to provide an optically anisotropic film which has excellent moisture-heat resistance and can have a reduction in the thickness, an optical film, a polarizing plate, and an image display device. The optically anisotropic film of the embodiment of the present invention is an optically anisotropic film obtained by polymerizing a polymerizable liquid crystal composition, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1) and a polymerizable liquid crystal compound represented by Formula (2), and the optically anisotropic film satisfies Formula (3) or (4), and has a degree of alignment as measured by Raman spectroscopy of 0.4 or more. L1-SP1-(E3-A1)m-E1-G1-D1-Ar1-D2-G2-E2-(A2-E4)n-SP2-L2  (1) L1-SP1-(E3-A1)m-E1-G1-D1-Ar2-D2-G2-E2-(A2-E4)n-SP2-L2  (2) Re(450)/Re(550)

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：US20190377117A1

公开(公告)日：2019-12-12

申请号：US16546872

申请日：2019-08-21

Applicant: FUJIFILM Corporation

Inventor： Yukito SAITOH ,  Daisuke KASHIWAGI ,  Ayako MURAMATSU ,  Yujiro YANAI ,  Hideki KANEIWA

IPC: G02B5/30

Abstract: Provided is a depolarizing film including a depolarizing layer composed of a first region and a second region having differing optical characteristics, wherein in the depolarizing layer, the ratio between the area of the first region and the area of the second region is 0.45:0.55 to 0.55:0.45, the first region is an optically anisotropic region causing 90° optical rotation of light that is incident on one surface of the depolarizing layer before the light is emitted from the other surface, and the second region is an optically isotropic region having optical isotropy.

公开(公告)号：US20170329063A1

公开(公告)日：2017-11-16

申请号：US15666981

申请日：2017-08-02

Applicant: FUJIFILM Corporation

Inventor： Shinnosuke SAKAI ,  Ayako MURAMATSU

IPC: G02B5/30 ,  C09K19/30 ,  C09K19/34 ,  C09K19/20 ,  C09K19/54

CPC classification number: G02B5/3016 ,  C09K19/2021 ,  C09K19/3068 ,  C09K19/3402 ,  C09K19/3491 ,  C09K19/3497 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/2035 ,  C09K2019/3075 ,  C09K2019/3077 ,  C09K2019/3422 ,  C09K2219/03 ,  G02B5/3025 ,  G02B5/3083

Abstract: An object of the present invention is to provide an optical film having excellent alignment, and a polarizing plate and an image display device using the same. The optical film of the present invention is an optical film having at least an optically anisotropic layer, and the optically anisotropic layer contains a smectic liquid crystal compound not including a fluorine atom and a compound partially having a cyclohexane ring in which the hydrogen atom is substituted with a linear alkyl group.

公开(公告)号：US20150079380A1

公开(公告)日：2015-03-19

申请号：US14482292

申请日：2014-09-10

Applicant: FUJIFILM CORPORATION

Inventor： Ayako MURAMATSU ,  Shinnosuke SAKAI ,  Teruki NIORI ,  Shinichi MORISHIMA

IPC: G02B5/30 ,  C09K19/38 ,  G02F1/1337 ,  H01L27/32 ,  G02F1/13363 ,  G02F1/1347

CPC classification number: G02B5/3016 ,  C09K19/12 ,  C09K19/2007 ,  C09K19/2028 ,  C09K19/24 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/322 ,  C09K19/3447 ,  C09K19/3486 ,  C09K19/3491 ,  C09K19/3497 ,  C09K2019/0448 ,  C09K2019/2078 ,  C09K2019/3077 ,  C09K2019/3408 ,  C09K2019/3416 ,  G02B5/305 ,  G02B5/3083

Abstract: To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

Abstract translation: 当通过使用显示近晶相的液晶化合物作为显示更高等级的材料制造光学各向异性层时，抑制光学各向异性层的光轴倾斜的现象。 光学各向异性层，其中含有一个或多个显示近晶相的可聚合棒状液晶化合物的可聚合组合物以近晶相的状态固定，并且光学各向异性层的最大折射率方向倾斜为10 光学各向异性层的表面，其制造方法，层压体及其制造方法，偏振片，液晶显示装置和有机EL显示装置。

公开(公告)号：US20140092348A1

公开(公告)日：2014-04-03

申请号：US14030729

申请日：2013-09-18

Applicant: FUJIFILM Corporation

Inventor： Ayako MURAMATSU ,  Hiroshi SATO

IPC: G02F1/13363

CPC classification number: G02F1/133636 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/1396 ,  G02F2001/133633 ,  G02F2413/06 ,  G02F2413/08

Abstract: Provided is a retardation film that can be incorporated into a liquid crystal display device having low power consumption. The retardation film includes a support (A) and a rodlike liquid crystalline compound layer (B), which satisfies a particular brightness when the retardation film is incorporated into a liquid crystal device.

Abstract translation: 提供了可以并入具有低功耗的液晶显示装置中的延迟膜。 相位差膜包括支撑体（A）和棒状液晶化合物层（B），当相位差膜结合到液晶装置中时，其满足特定的亮度。

公开(公告)号：US20250043184A1

公开(公告)日：2025-02-06

申请号：US18919057

申请日：2024-10-17

Applicant: FUJIFILM Corporation

Inventor： Yuki HIRAI ,  Mayumi NOJIRI ,  Ryoji HIMENO ,  Shinichi MORISHIMA ,  Ayako MURAMATSU

IPC: C09K19/44 ,  C09K19/52 ,  G02B1/02 ,  G02B5/20

Abstract: An optically anisotropic film which is excellent in aligning properties, light resistance, and moisture-heat resistance. The optically anisotropic film contains a liquid crystal compound or a polymer, and an aggregate of organic compounds, in which the optically anisotropic film has no absorption in a visible light region, an average value of ratios of lengths of major axes of the aggregate to lengths of minor axes of the aggregate is 2.0 or more, and an average length of the minor axes of the aggregate is 10 nm or more.

公开(公告)号：US20240085606A1

公开(公告)日：2024-03-14

申请号：US18488739

申请日：2023-10-17

Applicant: FUJIFILM Corporation

Inventor： Jun ISHIYAMA ,  Kunihiro ATSUMI ,  Ayako MURAMATSU

IPC: G02B5/30

CPC classification number: G02B5/3016

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, and Expression (5) Rth(550)

公开(公告)号：US20230176269A1

公开(公告)日：2023-06-08

申请号：US18061799

申请日：2022-12-05

Applicant: FUJIFILM Corporation

Inventor： Ayako MURAMATSU ,  Jun ISHIYAMA ,  Keisuke YOSHIMASA ,  Tomoaki YOKOTA ,  Hiroki KUWAHARA

IPC: G02B5/30 ,  B32B7/12 ,  B32B37/12 ,  B32B7/023

CPC classification number: G02B5/3016 ,  B32B7/12 ,  B32B37/12 ,  B32B7/023 ,  B32B2037/1253 ,  B32B2307/42 ,  G02F1/133541

Abstract: A laminated film includes a plurality of optically anisotropic layers, excellent in transparency, with few point defects, and exhibits little reflected light where the laminated film is applied to a display device brought into a black display state; and a circularly polarizing plate. The laminated film includes first, second, third, and fourth optically anisotropic layers, in order, in which the first, second, third, and fourth optically anisotropic layers are each formed by fixing an aligned liquid crystal compound, an adhesion layer selected from the group consisting of an adhesive layer, and a pressure sensitive adhesive layer is provided on only one of between the first and second optically anisotropic layers, between the second and third optically anisotropic layers, and between the third and fourth optically anisotropic layers, and the laminated film has a minimum transmittance of 60% or more in a wavelength range of 400 to 700 nm.