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公开(公告)号：US09863593B2
公开(公告)日：2018-01-09
申请号：US15035570
申请日：2014-11-10
发明人： Kazuyoshi Sakuragi , Tsuyoshi Kamada , Shun Ueki , Tomoko Nango , Masahiro Tsujimoto , Yuhsuke Tsuda
CPC分类号： F21S11/007 , E06B3/66 , E06B3/67 , E06B5/00 , F21S11/00 , G02B5/00 , G02B5/045 , G02B7/182 , G02B17/006
摘要： A daylighting film (1) according to one aspect of the present invention includes a base member (10) having optical transparency, first projections (11) having optical transparency and formed on an inner surface (10a) of the base member (10), a second projection (12) formed on the inner surface (10a) and having a height from the inner surface (10a) higher than a height of the first projections (11), a protective base member (13) arranged in an opposite relation to the inner surface (10a) of the base member (10), a bonding layer (14) for bonding the second projection (12) and the protective base member (13), and gaps (15) defined between the first projections (11) and between the first projection (11) and the second projection (12), wherein the first projections (11) include reflective surfaces (11c2) at which light incoming from an outer surface (13b) side of the protective base member (13) or the base member (10) is totally reflected.
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2.发明授权公开(公告)号：US09939564B2
公开(公告)日：2018-04-10
申请号：US14767986
申请日：2014-02-19
发明人： Emi Yamamoto , Yuhsuke Tsuda , Tsuyoshi Maeda , Yasushi Asaoka , Shohei Katsuta
IPC分类号： G02B5/20 , F21V9/06 , G02B5/02 , B32B7/02 , G02F1/1335 , B32B27/08 , B32B27/20 , B32B27/36 , G03F7/00 , G03F7/20 , G03F7/32 , G03F7/004 , G03F7/038 , G03F7/105
CPC分类号： G02B5/0294 , B32B7/02 , B32B27/08 , B32B27/20 , B32B27/36 , B32B2307/418 , G02B5/0236 , G02B5/0242 , G02B5/0247 , G02B5/0268 , G02B5/0278 , G02F1/133504 , G03F7/0005 , G03F7/0007 , G03F7/0047 , G03F7/038 , G03F7/105 , G03F7/20 , G03F7/32
摘要： This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed. The light-diffusing portion includes a light-emitting end-surface that makes contact with the light-transmissive substrate and a light-incident end-surface that is opposite to the light-emitting end-surface and that has an area greater than an area of the light-emitting end-surface, and is made of a photosensitive resin; a height of the light-diffusing portion from the light-incident end-surface to the light-emitting end-surface is greater than a thickness of the wavelength-controlling layers; and the wavelength-controlling layers have characteristics that an optical absorptance at a first wavelength in a ultraviolet wavelength band is higher than an optical absorptance at a second wavelength in a visible-light wavelength band.
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公开(公告)号：US09829737B2
公开(公告)日：2017-11-28
申请号：US14652917
申请日：2013-12-12
发明人： Shohei Katsuta , Tsuyoshi Maeda , Hideomi Yui , Yuhsuke Tsuda
IPC分类号： G02F1/1335 , G02F1/1337 , F21V8/00
CPC分类号： G02F1/133504 , G02B6/0011 , G02B6/0051 , G02B6/0053 , G02F1/133512 , G02F1/133528 , G02F1/1337 , G02F2001/133742
摘要： Provided is a liquid crystal device including: a liquid crystal panel including a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer which is interposed between the first vertical alignment film and the second vertical alignment film and has a negative dielectric anisotropy, a first polarizing plate that is disposed on a light-incident side of the liquid crystal layer, and a second polarizing plate that is disposed on a light-emitting side of the liquid crystal layer; an illuminating device which is disposed on a light-incident side of the liquid crystal panel, and emits light toward the liquid crystal panel; and a light control member which is disposed on a light-emitting side of the liquid crystal panel, and diffuses light that is emitted from the liquid crystal panel in an azimuth angle direction and a polar angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. The liquid crystal panel includes a plurality of pixels, each being a basic unit of display, and each of the pixels has a plurality of regions in which a director direction or an alignment of liquid crystal molecules at a central portion of the liquid crystal layer in a thickness direction during application of a voltage is different.
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公开(公告)号：US10162214B2
公开(公告)日：2018-12-25
申请号：US15311628
申请日：2015-05-15
发明人： Shohei Katsuta , Yasushi Asaoka , Sho Ochi , Emi Yamamoto , Hideomi Yui , Tsuyoshi Maeda , Tsuyoshi Kamada , Yuhsuke Tsuda , Katsumi Kondoh
IPC分类号： G02F1/1335 , G02B1/118 , G02F1/1337 , F21V8/00 , G02F1/1343
摘要： A liquid crystal display device according to one aspect of the present invention includes a liquid crystal panel of a vertical alignment mode, and an optical control member disposed on a light-exiting side of the liquid crystal panel. The liquid crystal panel includes a plurality of pixels having at least two domains (50a, 50b), in which directors of liquid crystal molecules are in a first direction. An absorption axis of a first polarizing sheet and an absorption axis of a second polarizing sheet are a mutually orthogonal and form angle that is approximately 45°. The optical control member includes a base, a light diffusion part, a light blocking layer and a low refractive index part. A planar shape of the light blocking layer (40) when seen from a normal line direction of the base has a straight line part parallel to the absorption axis (P1, P2) of one of the first polarizing sheet and the second polarizing sheet and a straight line part forming an angle of less than 45° with the absorption axis (P1, P2) of one polarizing sheet.
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公开(公告)号：US10302264B2
公开(公告)日：2019-05-28
申请号：US15309815
申请日：2015-05-12
发明人： Shumpei Nishinaka , Tsuyoshi Kamada , Yuhsuke Tsuda , Shun Ueki
摘要： A lighting device (1) according to an aspect of the invention includes a lighting unit (10); and a mounting unit (11) for mounting the lighting unit (10) to a window frame (109), in which the lighting unit (10) includes a lighting sheet (12) and a frame (13) supporting a peripheral portion of the lighting sheet (12), in which the lighting sheet (12) includes a base material having optical transparency, a plurality of lighting portions having optical transparency which are provided in a first surface of the base material, and a void portion which is provided between the plurality of lighting portions, and in which a part of the side surface of the lighting portion facing the void portion serves as a reflecting surface reflecting light which is incident to the lighting portion.
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公开(公告)号：US09701927B2
公开(公告)日：2017-07-11
申请号：US14764199
申请日：2014-01-27
发明人： Kyohko Matsuura , Yuhsuke Tsuda , Hidetsugu Matsukiyo , Yuka Utsumi , Akiyoshi Fujii , Takahiro Nakahara , Kiyoshi Minoura , Miho Yamada
IPC分类号： B08B3/00 , C11D3/00 , G02B1/118 , C11D17/04 , C11D1/66 , C11D3/06 , C11D3/10 , C11D3/30 , B08B3/04 , B08B1/00
CPC分类号： C11D3/0047 , B08B1/006 , B08B3/04 , C11D1/66 , C11D3/06 , C11D3/10 , C11D3/30 , C11D17/041 , C11D17/049 , G02B1/118
摘要： A cleaning solution is used, in a transparent antireflective structure that has, on one surface thereof, a plurality of convexities formed at a period equal to or shorter than wavelength in a visible light range, and that prevents, at the one surface, reflection of light entering the one surface, to clean a concavity defining a region between adjacent two of the plural convexities, the cleaning solution having a pH of 10.00 or more.
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