公开(公告)号：US20160103015A1

公开(公告)日：2016-04-14

申请号：US14974969

申请日：2015-12-18

Applicant: FUJIFILM Corporation

Inventor： Mitsuyoshi ICHIHASHI

IPC: G01J1/04 ,  G01N21/958 ,  G01N21/88 ,  G02B5/30 ,  G01J1/08

CPC classification number: G01J1/0429 ,  G01J1/0488 ,  G01J1/08 ,  G01N21/23 ,  G01N21/8422 ,  G01N21/8806 ,  G01N21/958 ,  G01N2021/216 ,  G01N2021/8848 ,  G02B5/3016 ,  G02B5/3083

Abstract: Provided are a circular polarization filter including a circularly-polarized light separating layer (preferably, a layer having a cholesteric liquid crystalline phase fixed therein or a laminate including a reflective linear polarizer and a λ/4 phase difference layer), in which the circularly-polarized light separating layer selectively transmits either right-handed circularly polarized light or left-handed circularly polarized light in a specific wavelength region, a transparent medium which is transparent with respect to light in the specific wavelength region is provided at least on one surface side of the circularly-polarized light separating layer, and the transparent medium has an inclined surface which forms an angle of 1° to 30° relative to the surface on the transparent medium side of the circularly-polarized light separating layer, and sensor system using the circular polarization filter. The circular polarization filter of the invention is capable of providing circularly polarized light with a high circular polarizance, or improving sensitivity in the sensor system using circularly polarized light.

Abstract translation: 提供一种圆偏振光滤光器，其包括圆偏振光分离层（优选地，其中固定有胆甾型液晶相的层或包含反射线性偏振片的层叠体和λ/ 4相位差层），其中， 偏振光分离层选择性地透射特定波长区域中的右旋圆偏振光或左旋圆偏振光，在特定波长区域中相对于光透明的透明介质设置在至少一个表面侧 圆偏振光分离层和透明介质具有相对于圆偏振光分离层的透明介质侧的表面形成1°至30°的角度的倾斜表面，以及使用圆形偏振光分离层的传感器系统 偏振滤波器。 本发明的圆偏振滤光器能够提供具有高圆偏振光的圆偏振光，或者提高使用圆偏振光的传感器系统的灵敏度。

公开(公告)号：US20160025303A1

公开(公告)日：2016-01-28

申请号：US14860909

申请日：2015-09-22

Applicant: FUJIFILM Corporation

Inventor： Yoshihisa USAMI ,  Mitsuyoshi ICHIHASHI

IPC: F21V9/14 ,  A01G7/04 ,  F21K99/00

Abstract: 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.

Abstract translation: 本发明提供了一种照明装置，其依次选择性地照射右圆偏振光和左圆偏振光中的任一种，包括反射偏振片1，光源和反射偏振片2，并且还包括 延迟板，其中反射偏振片1，光源和反射偏振片2被设置成使得由反射偏振片1反射的偏振光穿过反射偏振片2和由反射偏振片2反射的偏振光 通过反射偏振板1，并且调整相位差板的相位差和配置，使得上述任一个圆偏振光朝向反射偏振板1的方向和反射偏振片1的方向两者辐射 板2基于光源。 本发明的照明装置以良好的能量效率照射右圆偏振光和左圆偏振光中的任一种。

公开(公告)号：US20150369979A1

公开(公告)日：2015-12-24

申请号：US14742035

申请日：2015-06-17

Applicant: FUJIFILM CORPORATION

Inventor： Kazuhiro OKI ,  Mitsuyoshi ICHIHASHI ,  Wataru MAJIMA

IPC: 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.

Abstract translation: 本发明提供了一种包括反射层和信息呈现层的光学构件，所述反射层包括一个或多个圆偏振光反射层，所述圆偏振光反射层选自右圆偏振光反射层和左圆偏振光反射层 光反射层，由通过固定胆甾醇型液晶相获得的层构成的圆偏振光反射层，反射层具有反射波长，在该反射波长下，非偏振光的镜面反射率在波长中大于20％ 圆偏振光反射层呈现选择反射的区域，反射波长小于50％的非偏振光的漫反射率，反射波长在红外波长区域，信息呈现层具有图案 吸收或反射反射波浪的光的材料 th。 光学构件可以用作手写输入片，可以通过粘贴到显示器的表面来使用。

公开(公告)号：US20140184988A1

公开(公告)日：2014-07-03

申请号：US14140910

申请日：2013-12-26

Applicant: FUJIFILM Corporation

Inventor： Hiroshi SATO ,  Yukito SAITOH ,  Mitsuyoshi ICHIHASHI

IPC: G02F1/13363 ,  G02B5/30

CPC classification number: G02B5/3016 ,  G02B1/04 ,  G02F2413/02 ,  G02F2413/10 ,  G02F2413/11 ,  C08L101/12

Abstract: Provided is an optical film which is resistant to repelling, bright dots, irregularity, and the use of such an optical film in a liquid crystal display leads to high front contrast, reduced grayscale inversion, and a reduced difference between a front image and an oblique image in grayscale reproducibility and color. The optical film including a first optically anisotropic layer; and a second optically anisotropic layer on the first optically anisotropic layer, wherein the first optically anisotropic layer is a layer of liquid crystal compounds aligned and fixed by polymerization, and the surface tilt angle of molecules of the liquid crystal compound is in a range of 5° to 80° at a site in contact with the second optically anisotropic layer.

Abstract translation: 提供了耐斥斥，亮点，不规则性的光学膜，并且在液晶显示器中使用这种光学膜导致高的对比度，降低的灰度级反转以及正面图像和斜面之间的差异 图像的灰度重现性和颜色。 所述光学膜包括第一光学各向异性层; 和第一光学各向异性层上的第二光学各向异性层，其中第一光学各向异性层是通过聚合排列和固定的液晶化合物层，液晶化合物的分子的表面倾斜角在5 在与第二光学各向异性层接触的位置处为80°。

公开(公告)号：US20140041296A1

公开(公告)日：2014-02-13

申请号：US14059060

申请日：2013-10-21

Applicant: Fujifilm Corporation

Inventor： Mitsuyoshi ICHIHASHI ,  Yoshihisa USAMI ,  Wataru MAJIMA

IPC: F21V9/14

CPC classification number: F21V9/14 ,  A01G7/045 ,  G02B5/3083 ,  Y02P60/146

Abstract: 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.

Abstract translation: 本发明提供一种照明装置，其能够减少用于调节偏振状态的构件的数量，并且可以照射具有自然色调的光而不降低光照射的能量效率，以及使用该照明装置的植物生长调节方法。 本发明的照明装置包括发光光源和偏振态调节部件，其调节发光光源的偏振状态，其中发射波长的一部分的波长区域的偏振状态发生变化 对于要照射的光线中的调节用波长带的光的圆偏振度为0.3以上。 在优选实施例中，用于调节极化状态调节构件的至少一个波长带的宽度为60nm至250nm。