公开(公告)号：US10126474B2

公开(公告)日：2018-11-13

申请号：US15609890

申请日：2017-05-31

Applicant: FUJIFILM Corporation

Inventor： Akihiro Anzai ,  Kazuhiro Oki ,  Mitsuyoshi Ichihashi ,  Takao Taguchi

IPC: G02B5/30 ,  A47G1/04 ,  G02F1/1335 ,  B60R1/08 ,  A47G1/00 ,  G02B5/26 ,  A47G1/12 ,  G02F1/1333

Abstract: According to the invention, there is provided a mirror with an image display function including, in this order: an image display device; a circular polarization reflection layer; and a front surface plate made of glass or plastic, in which the circular polarization reflection layer includes a cholesteric liquid crystal layer, the cholesteric liquid crystal layer has a central wavelength of selective reflection in a visible light region, and the central wavelength is different from an emission peak wavelength of the image display device by 5 nm or greater. The mirror with an image display function of the invention is capable of displaying a bright image.

公开(公告)号：US09910197B2

公开(公告)日：2018-03-06

申请号：US14742035

申请日：2015-06-17

Applicant: FUJIFILM CORPORATION

Inventor： Kazuhiro Oki ,  Mitsuyoshi Ichihashi ,  Wataru Majima

IPC: G02F1/1335 ,  G02B5/26 ,  G02B5/20

CPC classification number: G02B5/26 ,  G02B5/208

Abstract: The present invention provides an optical member including a reflection layer and an information presentation layer, the reflection layer comprising one or more circularly-polarized light reflection layers selected from the group consisting of a right circularly-polarized light reflection layer and a left circularly-polarized light reflection layer, the circularly-polarized light reflection layer consisting of a layer obtained by fixing a cholesteric liquid-crystalline phase, the reflection layer having a reflection wavelength at which a specular reflectance for non-polarized light is more than 20% in a wavelength region in which the circularly-polarized light reflection layer exhibits selective reflection, a diffuse reflectance for non-polarized light at the reflection wavelength less than 50%, the reflection wavelength being in an infrared wavelength region, and the information presentation layer having a pattern of a material that absorbs or reflects light of the reflection wavelength. The optical member can be used as a handwriting input sheet, which can be used by being stuck to the surface of a display.

公开(公告)号：US09671539B2

公开(公告)日：2017-06-06

申请号：US14925184

申请日：2015-10-28

Applicant: FUJIFILM Corporation

Inventor： Hideaki Kagawa ,  Kazuhiro Oki

IPC: G02B5/30 ,  B29C65/00 ,  B29D11/00 ,  B29C65/48 ,  B32B5/00 ,  B32B27/30 ,  G02B1/14 ,  B29L11/00

CPC classification number: G02B5/3016 ,  B29C65/48 ,  B29C66/0224 ,  B29C66/7338 ,  B29D11/00644 ,  B29D11/0073 ,  B29K2633/08 ,  B29L2011/0066 ,  B32B5/00 ,  B32B27/308 ,  B32B2307/42 ,  G02B1/14 ,  G02B5/305 ,  G02B5/3083

Abstract: The present invention provides a polarizing plate that includes a polarizer, and an optical film including an alignment layer, an optically anisotropic layer, and an optically isotropic acrylic polymer layer on at least one surface of the polarizer, in which the optically anisotropic layer is a layer formed by irradiating a polymerizable composition including a liquid crystal compound that is directly applied to the alignment layer with light to polymerize the liquid crystal compound, the acrylic polymer layer is a layer formed by curing a polymerizable composition including (meth)acrylate that is directly applied to a surface of the layer formed from the polymerizable composition including a liquid crystal compound, and the thickness of the acrylic polymer layer is larger than the thickness of the optically anisotropic layer. According to the present invention, it is possible to provide a polarizing plate having a small thickness.

公开(公告)号：US11841163B2

公开(公告)日：2023-12-12

申请号：US17174435

申请日：2021-02-12

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Sugawara ,  Shogo Yamazoe ,  Shinya Hakuta ,  Akihiko Ohtsu ,  Kazuhiro Oki

IPC: F24F13/24 ,  E04B1/82 ,  G10K11/162 ,  G10K11/172

CPC classification number: F24F13/24 ,  E04B1/8209 ,  G10K11/162 ,  G10K11/172

Abstract: An object is to provide a silencing system that can achieve both high ventilation performance and high soundproof performance, can silence a plurality of pieces of resonant sound, and has high general-purpose properties since the silencing system does not need to be designed according to a tubular member. The silencing system includes one or more silencers that are disposed in a tubular member provided to penetrate a wall separating two spaces, and satisfies “0 0” in a case where a standardized effective modulus of elasticity in an interior space of the tubular member in which the silencers are disposed is denoted by Bn.

公开(公告)号：US11835253B2

公开(公告)日：2023-12-05

申请号：US17175445

申请日：2021-02-12

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Sugawara ,  Shogo Yamazoe ,  Shinya Hakuta ,  Akihiko Ohtsu ,  Kazuhiro Oki

IPC: F24F13/24 ,  E04B1/86 ,  F24F13/02 ,  G10K11/172

CPC classification number: F24F13/24 ,  E04B1/86 ,  F24F13/02 ,  G10K11/172 ,  F24F2013/245

Abstract: An object is to provide a silencing system that includes a silencer disposed in a ventilation sleeve, can suppress the generation of negative pressure in the interior, and can prevent a door or the like of an interior entrance from being difficult to open. The silencing system includes one or more silencers that are disposed in a ventilation sleeve provided to penetrate a wall separating two spaces, and “αA>10C−(0.1/P)×TL” is satisfied in a case where a gap equivalent area of the ventilation sleeve in which the silencer is installed is denoted by αA and a normalized sound transmission loss in an octave band in which a first resonant frequency of the ventilation sleeve is present is denoted by TL.
C denotes a constant determined by a measurement system in a case where there is no silencer and P denotes a transmission efficiency coefficient.

公开(公告)号：US10569713B2

公开(公告)日：2020-02-25

申请号：US15935642

申请日：2018-03-26

Applicant: FUJIFILM Corporation

Inventor： Takao Taguchi ,  Kazuhiro Oki ,  Mitsuyoshi Ichihashi

IPC: G02B27/14 ,  B60R1/12 ,  B60R1/04 ,  B60R1/00

Abstract: A vehicle mirror with an image display function includes a half mirror and an image display device, the half mirror includes an nλ/4 retardation film and a reflection layer, n is 1, 3, 5, or 7, the nλ/4 retardation film, the reflection layer, and the image display device are disposed in this order in the mirror with an image display function, and the reflection layer is a linear polarization reflection layer or a circular polarization reflection layer.

公开(公告)号：US10286582B2

公开(公告)日：2019-05-14

申请号：US15088716

申请日：2016-04-01

Applicant: FUJIFILM Corporation

Inventor： Takao Taguchi ,  Kazuhiro Oki

IPC: B29C43/00 ,  B29C43/18 ,  G02B5/30 ,  B32B27/28 ,  B29C43/56 ,  B29C45/00 ,  B29C45/14 ,  B32B7/06 ,  B32B7/12 ,  B32B27/30 ,  B32B27/36 ,  B32B7/04 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B27/38 ,  B32B27/40 ,  C08F222/10 ,  B29K667/00

Abstract: The present invention provides a film for thermal compression bonding, which contains a cholesteric liquid crystal layer that is formed by curing a liquid crystal composition including a polymerizable rod-like liquid crystal compound, a chiral agent, and a polymerizable monomer, in which the polymerizable rod-like liquid crystal includes a monofunctional rod-like liquid crystal compound having one polymerizable group and a bifunctional rod-like liquid crystal compound having two polymerizable groups, or two or more bifunctional rod-like liquid crystal compounds having two polymerizable groups, the polymerizable monomer has three or more polymerizable groups, and the polymerizable monomer is contained in an amount of 0.3% by mass to 6.0% by mass with respect to the total mass of the polymerizable rod-like liquid crystal compounds; a method for producing a molded article using the film for thermal compression bonding; and a molded article produced by the production method.

公开(公告)号：US10061187B2

公开(公告)日：2018-08-28

申请号：US15238818

申请日：2016-08-17

Applicant: FUJIFILM Corporation

Inventor： Mitsuyoshi Ichihashi ,  Yuki Saiki ,  Kazuhiro Oki ,  Takao Taguchi

IPC: G03B21/16 ,  H04N9/31 ,  G02B5/08 ,  G02B5/20 ,  G02B5/26 ,  G03B21/28 ,  G02B27/01 ,  G02B5/30

CPC classification number: G03B21/16 ,  G02B5/0808 ,  G02B5/208 ,  G02B5/26 ,  G02B5/3016 ,  G02B5/3083 ,  G02B27/0101 ,  G02B27/288 ,  G03B21/28

Abstract: The present invention provides a reflection member including a selective reflection layer; and two ¼ wavelength phase difference plates, in which the selective reflection layer is disposed between the two ¼ wavelength phase difference plates, the selective reflection layer includes a layer of a fixed cholesteric liquid crystal phase having a central wavelength of selective reflection at a visible light range wavelength λi, and the selective reflection layer includes a layer in which a twisted direction of a helix of a cholesteric liquid crystal is only one of right or left as the layer of a fixed cholesteric liquid crystal phase having selective reflection at the wavelength λi. The reflection member of the present invention can be used particularly as a heat shielding member, which can reduce damage to the optical systems due to external light including visible light while efficiently extracting projected light.

公开(公告)号：US09897731B2

公开(公告)日：2018-02-20

申请号：US14657807

申请日：2015-03-13

Applicant: FUJIFILM Corporation

Inventor： Shunya Katoh ,  Takao Taguchi ,  Kazuhiro Oki ,  Masaru Yoshikawa

IPC: G02B5/28 ,  C07D487/04 ,  C07D487/22 ,  G02B5/26 ,  G02B5/20 ,  G02B5/22 ,  G02B1/04 ,  G02F1/1333

CPC classification number: G02B5/282 ,  C07D487/04 ,  C07D487/22 ,  G02B1/04 ,  G02B5/206 ,  G02B5/208 ,  G02B5/223 ,  G02B5/26 ,  G02F1/133365 ,  Y10T428/25 ,  Y10T428/31616 ,  Y10T428/31797

Abstract: An infrared ray cutting film having a transparent base, a near infrared ray absorbing layer containing a compound of Formula (1) with a maximum absorption wavelength of from 750 nm to 920 nm, and a near infrared ray reflection layer obtained by fixing a cholesteric liquid crystal phase is excellent in invisibility, robustness and high heat shielding performance. R1a and R1b represent alkyl, aryl or heteroaryl; at least one of R2 and R3 is an electron-withdrawing group, and R4 represents H, alkyl, aryl, heteroaryl, substituted boron, or a metal.

公开(公告)号：US09874669B2

公开(公告)日：2018-01-23

申请号：US14742296

申请日：2015-06-17

Applicant: FUJIFILM CORPORATION

Inventor： Kazuhiro Oki ,  Mitsuyoshi Ichihashi ,  Wataru Majima

IPC: G02F1/1335 ,  G02B5/30 ,  G02B5/08 ,  G02B5/28

CPC classification number: G02B5/3016 ,  G02B5/0841 ,  G02B5/281

Abstract: The present invention provides a reflection film, comprising a right circularly-polarized light reflection layer and a left circularly-polarized light reflection layer as circularly-polarized light reflection layers, each of the circularly-polarized light reflection layers consisting of a layer obtained by fixing a cholesteric liquid-crystalline phase, having a reflection wavelength at which a diffuse reflectance for non-polarized light becomes 50% or more in a wavelength region in which each of the circularly-polarized light reflection layers exhibits selective reflection, the reflection wavelength being in an infrared wavelength region, and the reflection film exhibiting a direct transmittance of non-polarized visible light of 50% or more and a haze value of 5% or less; and an optical member including the reflection film, which can be used as a handwriting input sheet. The optical member can be used by being stuck to the surface of a display.