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公开(公告)号：US20240288678A1
公开(公告)日：2024-08-29
申请号：US18643009
申请日：2024-04-23
Applicant: FUJIFILM Corporation
Inventor： Hirotoshi ANDO , Takehiko HARASAWA , Satoshi NAGANO , Yasuhiro SEKIZAWA
CPC classification number: G02B26/00 , G02B5/001 , G02B27/286 , G03F7/70258 , G03F7/70316 , G03F7/70366
Abstract: An object is to provide an exposure method and an exposure device for obtaining a photo-alignment film where the accuracy of an alignment pattern is high, and a method of forming an optically-anisotropic layer. In a case where linearly polarized light is focused in a ring shape with an optical member and a film including a compound having a photo-aligned group is exposed, while rotating a polarization direction of the polarized light, the film and the optical member are relatively moved in a direction tilted with respect to an optical axis of the optical member.
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2.发明公开公开(公告)号：US20240248405A1
公开(公告)日：2024-07-25
申请号：US18628911
申请日：2024-04-08
Applicant: FUJIFILM Corporation
Inventor： Hirotoshi ANDO , Takehiko HARASAWA , Satoshi NAGANO , Yasuhiro SEKIZAWA
IPC: G03F7/20 , G02F1/1337
CPC classification number: G03F7/2002 , G02F1/1337
Abstract: Provided is an exposure method and an exposure device for obtaining a photo-alignment film where the accuracy of an alignment pattern is high, and a method of manufacturing an optically-anisotropic layer. Provided is an exposure method in which linearly polarized light is focused in a ring shape with an optical member to expose a film including a compound having a photo-aligned group, the method including: an exposure step of relatively moving the film and the optical member in an optical axis direction of the optical member while rotating a polarization direction of the linearly polarized light.
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公开(公告)号：US20250155750A1
公开(公告)日：2025-05-15
申请号：US19020868
申请日：2025-01-14
Applicant: FUJIFILM Corporation
Inventor： Satoshi NAGANO , Makoto KAMO , Yuki SAIKI
IPC: G02F1/1337 , G02F1/1333
Abstract: An object of the present invention is to provide a sheet capable of increasing uniformity of quality of a liquid crystal optical element manufactured by a batch process. Another object of the present invention is to provide a manufacturing method of a liquid crystal optical element. The sheet of the present invention is a sheet including a liquid crystal layer containing a liquid crystal compound, in which the liquid crystal layer has a plurality of liquid crystal alignment pattern regions having a liquid crystal alignment pattern in which an orientation of optical axes derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, the plurality of liquid crystal alignment pattern regions are arranged to be spaced apart from each other in two directions orthogonal to each other in a plane of the liquid crystal layer, with a non-aligned region interposed between liquid crystal alignment pattern regions, two or more of the liquid crystal alignment pattern regions are arranged in each of the two directions in the liquid crystal layer, the non-aligned region is a region having no liquid crystal alignment pattern and no slow axis, an outer periphery of the liquid crystal alignment pattern region is surrounded by an outer peripheral region, the outer peripheral region is a region having no liquid crystal alignment pattern and having a slow axis, and a specified region including the liquid crystal alignment pattern region is capable of being cut out as a liquid crystal optical element.
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公开(公告)号：US20250018697A1
公开(公告)日：2025-01-16
申请号：US18889327
申请日：2024-09-18
Applicant: FUJIFILM Corporation
Inventor： Yoshihiko MOCHIZUKI , Satoshi NAGANO , Takehiko HARASAWA , Tomokazu SEKI
Abstract: Provided are a laminate including a first resin layer, an inorganic layer, and a second resin layer, in which a mixed layer is provided between the first resin layer and the inorganic layer and between the second resin layer and the inorganic layer; and a manufacturing method of a laminate.
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