公开(公告)号：US10365419B2

公开(公告)日：2019-07-30

申请号：US15691235

申请日：2017-08-30

Applicant: FUJIFILM Corporation

Inventor： Junichi Hirakata ,  Yujiro Yanai ,  Yoshiaki Hisakado ,  Kunihiro Atsumi ,  Yukito Saitoh

IPC: G02B5/30 ,  G02F1/1335 ,  B29D11/00 ,  B29K33/00

Abstract: The polarizing plate of the present invention includes a polarizer and an optical element that rotates a polarization plane of polarized light emitted from the polarizer, an orientation direction on a surface of the optical element on a polarizer side is parallel to an absorption axis of the polarizer, an orientation direction on a surface of the optical element opposite to the polarizer is perpendicular to the absorption axis of the polarizer, and Δnd and a birefringence parameter RH of the optical element fall in a range of a predetermined region in an orthogonal coordinate in which Δnd is indicated along a vertical axis and the birefringence parameter RH is indicated along a lateral axis.

公开(公告)号：US10025012B2

公开(公告)日：2018-07-17

申请号：US15177776

申请日：2016-06-09

Applicant: FUJIFILM Corporation

Inventor： Hiroshi Sato ,  Akira Yamamoto ,  Yujiro Yanai

IPC: G02F1/1335 ,  G02B5/30 ,  G02F1/13363 ,  G02B1/14

Abstract: The present invention provides a polarizing plate where, when the polarizing plate is applied to a liquid crystal display device, both thinning of the device and improvement in display performance such as prevention of light leakage, prevention of color variation, and suppression of display unevenness under a moist and hot environment can be achieved. The polarizing plate has, in this order, a first polarizer protective layer, a first polarizer, a first optically anisotropic layer including a liquid crystal compound X, and a second optically anisotropic layer including a liquid crystal compound Y, in which the thickness of the first optically anisotropic layer is 10 μm or less, the first optically anisotropic layer has predetermined Re(550) and Rth(550), the thickness of the second optically anisotropic layer is 10 μm or less, and has predetermined Re(550) and Rth(550), and the polarizing plate has a thickness of is 100 μm or less.

公开(公告)号：US09671543B2

公开(公告)日：2017-06-06

申请号：US14225989

申请日：2014-03-26

Applicant: FUJIFILM Corporation

Inventor： Yuya Hamaguchi ,  Yujiro Yanai ,  Junichi Hirakata

IPC: G02B5/30 ,  G02B27/28 ,  H04N13/04 ,  G02B27/26 ,  G02F1/1335 ,  G02F1/13363 ,  G02B27/22

CPC classification number: G02B5/3083 ,  G02B27/2214 ,  G02B27/26 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2001/133631 ,  H04N13/337

Abstract: To reduce the crosstalk caused by the optical characteristic of the support film. A patterned retardation film comprising at least a support film (14) having optical anisotropy and a patterned retardation layer (12) disposed on the support film and having a first retardation region and a second retardation region, at least one of an in-plane slow axis direction and a retardation being different between the first and second retardation regions, wherein a variation in the in-plane slow axis direction of the support film is 3° or more.

公开(公告)号：US11892627B2

公开(公告)日：2024-02-06

申请号：US17232997

申请日：2021-04-16

Applicant: FUJIFILM Corporation

Inventor： Akihiro Anzai ,  Yujiro Yanai ,  Wataru Majima ,  Taketo Otani

IPC: G02B27/01 ,  B60K35/00 ,  G02B5/26 ,  G02B5/30

CPC classification number: G02B27/0101 ,  B60K35/00 ,  G02B5/26 ,  G02B5/3016 ,  B60K2370/1529 ,  B60K2370/31

Abstract: Provided are a projection image display member having a high visible light transmittance, suppressing a double image of a display image, and having excellent suitability of polarized sunglasses for incident light reflected from external light, a windshield glass using the projection image display member, and a head-up display system. The problem is solved such that one or more phase difference layers, one or more selective reflection layers, and one or more polarization conversion layers are provided in this order, the polarization conversion layer being a layer in which a helical alignment structure of a liquid crystal compound is fixed, and the number of pitches x of the helical alignment structure and a film thickness y (μm) of the polarization conversion layer satisfying “0.3≤x≤7.0”, “0.5≤y≤6.0”, “y≤0.7x+3.2”, and “y≥0.7x−1.4”.

公开(公告)号：US11762201B2

公开(公告)日：2023-09-19

申请号：US17186292

申请日：2021-02-26

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai

IPC: G02B27/01 ,  G02F1/137 ,  H04N9/31

CPC classification number: G02B27/0172 ,  G02F1/13718 ,  H04N9/3173

Abstract: According to the present invention, it is possible to provide a wearable display device having good background visibility, a wide visual angle capable of viewing projected images, and a simple structure. The wearable display device includes at least a transparent screen and a projection device which projects an image on the transparent screen, in which a magnifying lens for viewing the image reflected from the transparent screen is disposed on a viewing side to cover at least a part of the transparent screen.

公开(公告)号：US11163191B2

公开(公告)日：2021-11-02

申请号：US16529160

申请日：2019-08-01

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai ,  Hideki Kaneiwa ,  Nobuyuki Akutagawa ,  Daisuke Kashiwagi

IPC: G02F1/1335 ,  G02B5/30 ,  G02F1/13363 ,  G02F1/137 ,  G09F9/30 ,  H01L27/32 ,  H01L51/52 ,  H05B33/02

Abstract: Provided is an organic EL display device in which blue brightness is improved, and an antireflection function in an oblique direction is enhanced. The problem is solved by ensuring that a polarizer, a phase difference layer, a circularly polarized light separating layer, and a light emitting element are provided from a viewing side, an in-plane retardation Re(550) of the phase difference layer is set to 100 to 160 nm, the circularly polarized light separating layer is a cholesteric liquid crystal layer having a selective reflection center wavelength in a range of 425 to 475 nm, and a sum of retardations Rth(550) in a thickness direction of members arranged between the polarizer and the light emitting element is set to −50 to 50 nm.

公开(公告)号：US11092730B2

公开(公告)日：2021-08-17

申请号：US16913858

申请日：2020-06-26

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai ,  Michio Nagai ,  Hiroshi Sato

IPC: G02B5/30 ,  G01S17/931 ,  G01S7/481 ,  G01S17/10

Abstract: An object is to provide an optical element that is thin and can gather and reflect light in a specific wavelength range in a predetermined direction, and a sensor including the above-described optical element. The optical element includes a cholesteric liquid crystal layer, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes while continuously rotating is set as a single period, the cholesteric liquid crystal layer has in-plane regions having different lengths of the single periods in the liquid crystal alignment pattern.

公开(公告)号：US11015977B2

公开(公告)日：2021-05-25

申请号：US16146131

申请日：2018-09-28

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai ,  Jun Takeda ,  Michio Nagai ,  Akira Yamamoto

IPC: G01J4/04 ,  H01L27/14 ,  G02B27/28 ,  G01N21/21 ,  G02B5/30 ,  H01L27/146

Abstract: An object of the invention is to provide an optical laminated film capable of detecting a light polarization state with a simple configuration using components which are superior in productivity and have high versatility, and a polarization imaging sensor using the optical laminated film. An optical laminated film includes: first and second phase difference plates, each having a patterned optical anisotropic layer; and a polarizing plate having a polarization axis in one direction, the patterned optical anisotropic layers have a constant phase difference, are divided into a plurality of belt-like regions in the same plane, and have a plurality of units, each formed of the plurality of belt-like regions in which slow axis directions in one belt-like region coincide with each other, and slow axis directions in the respective belt-like regions are all different, and the first phase difference plate, the second phase difference plate, and the polarizing plate are laminated in this order such that the belt-like regions of the two phase difference plates intersect with each other.

公开(公告)号：US10996550B2

公开(公告)日：2021-05-04

申请号：US16571972

申请日：2019-09-16

Applicant: FUJIFILM Corporation

Inventor： Akira Yamamoto ,  Hideki Kaneiwa ,  Yujiro Yanai ,  Michio Nagai

IPC: G03B21/62 ,  G03B21/60 ,  G02B5/30 ,  G02B27/09

Abstract: The present invention provides a transparent screen which is excellent in transparency and in which a reflection part contour at the time of not displaying an image is unlikely to be recognized. An optical sheet of the present invention includes a substrate; and a cholesteric liquid crystal layer on the substrate, in which the entire cholesteric liquid crystal layer is surrounded by an imaginary contour line, the cholesteric liquid crystal layer has a uniform region and a modulation region that is located between the uniform region and at least a part of the imaginary contour line, a shortest distance between the imaginary contour line and the uniform region is 10 mm or longer, and a reflectance of the modulation region monotonously decreases from the uniform region side toward the imaginary contour line side.

公开(公告)号：US10908491B2

公开(公告)日：2021-02-02

申请号：US16447400

申请日：2019-06-20

Applicant: FUJIFILM Corporation

Inventor： Yujiro Yanai ,  Michio Nagai ,  Akira Yamamoto

IPC: G03B21/62 ,  C09J7/22 ,  C09J7/38 ,  B32B27/08 ,  B32B38/18 ,  C08F220/10 ,  G02B5/02 ,  H04N5/74 ,  C08J7/04 ,  G03B21/56 ,  G03B21/58 ,  G03B21/60

Abstract: Provided is an optical film having high contrast and excellent visibility. The optical film includes: a transparent screen; and a transparent reflecting layer that is disposed on one main surface of the transparent screen, in which in the transparent screen, a ratio T15/T30 of a light amount T15 of transmitted light at an angle of 15 degrees with respect to a normal direction of the main surface to a light amount T30 of transmitted light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or higher, and the ratio R15/R30 of the light amount R15 of reflected light at an angle of 15 degrees with respect to the normal direction of the main surface to the light amount R30 of reflected light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or lower.