公开(公告)号：EP2856858B1

公开(公告)日：2018-10-10

申请号：EP13796940.8

申请日：2013-05-27

申请人： FUJIFILM Corporation

发明人： ICHIHASHI, Mitsuyoshi ,  USAMI, Yoshihisa

IPC分类号： A01G7/04 ,  F21S2/00 ,  F21V9/14

CPC分类号： A01G9/14 ,  A01G7/045 ,  F21V9/14 ,  F21Y2115/10 ,  G02B27/286 ,  Y02P60/146

摘要： According to the present invention, provided is a system for irradiating a target object selectively with specific circularly polarized light, comprising a polarization-state control member that controls the polarization state of light to thereby generate circularly polarized light; and a circularly polarized light-reflecting member, wherein the circularly polarized light-reflecting member is disposed at a position on which the circularly polarized light emitted from the polarization-state control member can be incident; the circularly polarized light-reflecting member generates reflected light that selectively comprises circularly polarized light of the same sense as the incident circularly polarized light from the polarization-state control member; and the circularly polarized light-reflecting member is disposed such that the target object can be irradiated with at least a part of the reflected light.

公开(公告)号：EP2700871B1

公开(公告)日：2017-10-11

申请号：EP12774627.9

申请日：2012-04-12

申请人： FUJIFILM Corporation

发明人： ICHIHASHI, Mitsuyoshi ,  USAMI, Yoshihisa ,  MAJIMA, Wataru

IPC分类号： F21V9/14 ,  A01G7/00 ,  F21S2/00 ,  G02B5/30 ,  A01G7/04

CPC分类号： F21V9/14 ,  A01G7/045 ,  G02B5/3083 ,  Y02P60/146

摘要： The present invention provides an illuminating device that makes it possible to reduce the number of members for regulating a polarization state and can irradiate light having natural color shades without decreasing energy efficiency of light irradiation, and a plant growth regulation method using the illuminating device. The illuminating device of the present invention includes a light-emitting light source and a polarization state regulation member that regulates a polarization state of the light-emitting light source, in which the polarization state of a wavelength region of a portion of emission wavelengths is changed to circular polarization, and a degree of circular polarization of light in a wavelength band for regulation among the light rays to be irradiated is 0.3 or higher. In a preferable embodiment, a width of at least one wavelength band for regulation of the polarization state regulation member is from 60 nm to 250 nm.

公开(公告)号：EP1540388B1

公开(公告)日：2012-06-06

申请号：EP03795423.7

申请日：2003-09-12

申请人： FUJIFILM Corporation

发明人： TAKAHASHI, Yuta ,  ICHIHASHI, Mitsuyoshi

IPC分类号： G02B5/30

CPC分类号： G02B5/3083

摘要： A novel retarder having retardation to wavelength ratios within a range from 0.2 to 0.3 at 450 nm, 550nm and 650nm respectively is disclosed. The retarder comprises a first optically anisotropic layer substantially generating a phase difference of Π at 550 nm, a second optically anisotropic layer substantially generating a phase difference of Π/2 at 550 nm, and a third optically negative anisotropic layer. A novel elliptically polarizing plate comprising the retarder and a linear polarizing film is also disclosed.

公开(公告)号：EP1868044A1

公开(公告)日：2007-12-19

申请号：EP06712865.2

申请日：2006-02-02

申请人： FUJIFILM CORPORATION

发明人： KAMADA, Kou ,  AMIMORI, Ichiro ,  ICHIHASHI, Mitsuyoshi ,  SASAKI, Toshio

IPC分类号： G03H1/02

CPC分类号： G11B7/0065 ,  G02B27/1013 ,  G02B27/142 ,  G03H1/0256 ,  G03H2250/34 ,  G03H2250/38 ,  G11B7/24044 ,  G11B7/2433 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2463 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/249 ,  G11B7/252 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2536 ,  G11B7/2572 ,  G11B7/2585 ,  G11B7/2595 ,  G11B2007/24304 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/2432 ,  G11B2007/24324

摘要： The present invention provides a filter for optical recording medium capable of preventing diffuse reflection of an information beam and a reference beam from a reflective layer in the optical recording medium and preventing occurrence of noise without causing shift in selective reflection wavelength, and distortion in a reproduced image even when an angle of incidence is changed, and an optical recording medium capable of recording a high density image by using the filter. Specifically, the present invention relates to the optical recording medium containing a first substrate, a recording layer which records information by utilizing holography, an optical compensation layer, a filter layer, and a second substrate, in this order, and the filter layer is a cholesteric liquid crystal layer.

摘要翻译： 本发明提供一种用于光学记录能够在光记录介质从反射层防止信息光束的漫反射和参考光束和防止噪音的产生，而不会导致在选择反射的波长移位的介质，和失真在再现的过滤器 图像甚至在入射角时被改变，并且光记录能够通过使用该过滤器的记录的高密度图像的介质。 具体而言，本发明涉及含有第一基板，其通过利用全息照相术记录信息，以光学补偿层，一个过滤层，以及一个第二基片，在该顺序的记录层的光学记录介质，并且过滤层是一 胆甾醇型液晶层。

公开(公告)号：EP2982237A1

公开(公告)日：2016-02-10

申请号：EP14774887.5

申请日：2014-03-24

申请人： FUJIFILM Corporation

发明人： USAMI, Yoshihisa ,  ICHIHASHI, Mitsuyoshi

IPC分类号： A01G7/00 ,  F21S2/00 ,  F21V9/14 ,  G02B5/30

CPC分类号： F21V9/14 ,  A01G7/045 ,  F21K9/60 ,  F21Y2115/10 ,  G02B5/3025 ,  Y02P60/146

摘要： The present invention provides an illumination device which selectively radiates either one of right-circularly polarized light and left-circularly polarized light, comprising a reflective polarizing plate 1, a light source, and a reflective polarizing plate 2 in this order, and further comprising a retardation plate, wherein the reflective polarizing plate 1, the light source, and the reflective polarizing plate 2 are disposed such that polarized light reflected by the reflective polarizing plate 1 passes through the reflective polarizing plate 2 and polarized light reflected by the reflective polarizing plate 2 passes through the reflective polarizing plate 1, and phase difference and disposition of the retardation plate are adjusted such that the above either one of the circularly polarized lights is radiated toward both of a direction of the reflective polarizing plate 1 and a direction of the reflective polarizing plate 2 based on the light source. The illumination device of the present invention radiates either one of right-circularly polarized light and left-circularly polarized light with good energy efficiency.

公开(公告)号：EP1960831A1

公开(公告)日：2008-08-27

申请号：EP06835055.2

申请日：2006-12-14

申请人： FUJIFILM Corporation

发明人： ICHIHASHI, Mitsuyoshi

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

CPC分类号： G02F1/13363 ,  G02F1/133514 ,  G02F1/133634 ,  G02F2001/133565 ,  G02F2413/02 ,  G02F2413/07 ,  G02F2413/09

摘要： A liquid crystal display device comprising a pair of substrates, at least one polarizing film provided outside the pair of substrates, a liquid crystal cell having a red color filter, a green color filter and a blue color filter provided inside the pair of substrates, a first retardation film compensating for light of a wavelength or wavelengths corresponding to a color or colors of any one or two of the three color filters, and a second retardation film compensating for light of a wavelength that is not compensated for by the first retardation film.

公开(公告)号：EP3770657A1

公开(公告)日：2021-01-27

申请号：EP19772351.3

申请日：2019-02-05

申请人： Fujifilm Corporation

发明人： KODAMA, Keisuke ,  ICHIHASHI, Mitsuyoshi ,  KATOH, Shunya ,  NAKAMORI, Takeshi

IPC分类号： G02B5/30 ,  B32B7/03 ,  B32B27/16 ,  B32B27/18

摘要： Provided are a cholesteric liquid crystal layer having an excellent reflection anisotropy, a low haze, and a high circular polarization degree of reflected light, and a method for producing the same. In addition, provided are a laminate, an optically anisotropic body, and a reflective film, each of which including the cholesteric liquid crystal layer. A cholesteric liquid crystal layer formed using a liquid crystal compound, in which, in at least one main plane out of a pair of main planes of the cholesteric liquid crystal layer, a direction of a molecular axis of the liquid crystal compound changes while continually rotating along at least one in-plane direction, the molecular axis of the liquid crystal compound is tilted with respect to the main plane of the cholesteric liquid crystal layer, and an arrangement direction of bright portions and dark portions derived from the cholesteric liquid crystalline phase, as observed under a scanning electron microscope in a cross section perpendicular to the main plane, is tilted with respect to the main plane of the cholesteric liquid crystal layer.

公开(公告)号：EP3315360B1

公开(公告)日：2018-12-26

申请号：EP16814098.6

申请日：2016-05-30

申请人： FUJIFILM Corporation

发明人： TAGUCHI, Takao ,  OKI, Kazuhiro ,  ICHIHASHI, Mitsuyoshi ,  ANZAI, Akihiro

IPC分类号： B60R1/00 ,  B60R1/04 ,  B60R1/12 ,  G02B5/30

CPC分类号： B60R1/08 ,  B60R1/00 ,  B60R1/04 ,  B60R1/12 ,  B60R2001/1215 ,  G02B5/30 ,  G02B5/3016

摘要： A vehicle mirror with an image display function includes a half mirror which includes a high-Re retardation film and a reflection layer and an image display device on the half mirror, in which the high-Re retardation film, the reflection layer, and the image display device are disposed in this order, the high-Re retardation film has a front phase difference of 5000 nm or greater, and the reflection layer is a linear polarization reflection layer or a circular polarization reflection layer.

公开(公告)号：EP3358380A1

公开(公告)日：2018-08-08

申请号：EP16851019.6

申请日：2016-09-01

申请人： FUJIFILM Corporation

发明人： TAGUCHI, Takao ,  OKI, Kazuhiro ,  ICHIHASHI, Mitsuyoshi

IPC分类号： G02B5/08 ,  B32B7/02 ,  B60R1/04 ,  G02B5/26 ,  G02B5/28 ,  G02B5/30

CPC分类号： G02B5/3083 ,  B32B7/02 ,  B32B17/10064 ,  B32B17/10678 ,  B32B17/10743 ,  B60R1/04 ,  B60R1/088 ,  C08J5/18 ,  G02B5/08 ,  G02B5/26 ,  G02B5/28 ,  G02B5/30

摘要： The invention provides a vehicle mirror that shows less oblique brightness unevenness of light when a mirror-reflected image of an external scene is observed through polarizing sunglasses. The vehicle mirror includes a high-Re retardation film and a reflective layer. The high-Re retardation film has a front retardation of 5,000 nm or more, and the reflective layer is a reflective layer that is reflective in an unpolarized manner, such as a reflective metal layer. The vehicle mirror may be a vehicle mirror further including an image display device, wherein the high-Re retardation film, the reflective layer, and the image display device are disposed in this order, and the reflective layer is transflective.

公开(公告)号：EP3410164A1

公开(公告)日：2018-12-05

申请号：EP17743914.8

申请日：2017-01-10

申请人： FUJIFILM Corporation

发明人： TAGUCHI, Takao ,  OKI, Kazuhiro ,  ICHIHASHI, Mitsuyoshi

IPC分类号： G02B5/30 ,  G02B5/08 ,  G09F9/00

CPC分类号： G02B5/0816 ,  G02B5/08 ,  G02B5/30 ,  G02B5/3016 ,  G02B5/3083 ,  G02B27/283 ,  G02F2001/133541 ,  G02F2001/133543 ,  G02F2001/133562 ,  G09F9/00

摘要： The half mirror includes a retardation layer, a circularly polarized light reflecting layer, and a front panel that are disposed in this order. The retardation layer has a front phase difference as measured at a wavelength of 500 m of 107 to 127 nm and a front phase difference as measured at a wavelength of 475 m of 110 to 130 nm. The circularly polarized light reflecting layer includes three cholesteric liquid crystal layers. The three cholesteric liquid crystal layers have different selective reflection center wavelengths λ1, λ2, and λ3. The center wavelengths λ1, λ2, and λ3 satisfy 380 nm