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公开(公告)号：US11891549B2
公开(公告)日：2024-02-06
申请号：US17276962
申请日：2019-09-26
发明人： Daisuke Hattori , Atsushi Kishi , Ryota Morishima
CPC分类号： C09J7/29 , C09J7/385 , G02B1/11 , C09J2301/124 , G02B1/14 , G02B2207/107 , Y10T428/249982 , Y10T428/2848
摘要： There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces, which is suppressed damage from occurring to a low-refractive index layer in vacuum lamination while maintaining excellent characteristics of the low-refractive index layer. An optical laminate with pressure-sensitive adhesive layers on both surfaces according to an embodiment of the present invention comprises: a substrate; a low-retractive index layer formed on the substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 50% or more, the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×105 (Pa) to 1.0×107 (Pa), and the second pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×105 (Pa) or less.
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公开(公告)号：US11639046B2
公开(公告)日：2023-05-02
申请号：US17045821
申请日：2019-04-17
摘要： Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; and a resin tape arranged on at least one surface of the elongated glass film, wherein the resin tape is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film, and wherein the resin tape includes an adhesive layer, and the adhesive layer is directly arranged on the elongated glass film.
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公开(公告)号：US20220413206A1
公开(公告)日：2022-12-29
申请号：US17763049
申请日：2020-09-17
发明人： Kenta Watanabe , Akiko Ogasawara , Atsushi Kishi
摘要： An optical member includes a light source, a first substrate to be a light guide that guides emitted light from the light source, a variable layer in contact with a predetermined surface of the first substrate, and a second substrate facing the first substrate via the variable layer. When a refractive index of the first substrate is n1, a refractive index of the variable layer can be changed to n2 or n3 (where n2>n3), and n1, n2, and n3 satisfy a relationship of |n1−n2|
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公开(公告)号：US20220155509A1
公开(公告)日：2022-05-19
申请号：US17598589
申请日：2020-03-11
IPC分类号： G02B5/30 , G02F1/1335
摘要： An optical film set includes a first optical film provided with a first gluing agent layer and disposed on a viewing side of an optical element via the first gluing agent layer; and a second optical film provided with a second gluing agent layer and disposed on a rear surface side of the optical element via the second gluing agent layer. A first glass film having a thickness of 50 pm or more and 150 μm or less is disposed on a viewing side surface of the first optical film. A thickness of the second gluing agent layer is 50 μm or more and 200 μm or less.
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公开(公告)号：US20220146731A1
公开(公告)日：2022-05-12
申请号：US17598392
申请日：2020-03-26
IPC分类号： G02B5/30
摘要： Provided is an optical film, which, despite including a polarizing plate having a recessed portion or a through-hole, is excellent in handleability, is suppressed from causing the strain of the polarizing plate, and shows a small dimensional change owing to an environmental change. The optical film of the present invention includes a glass film, a polarizing plate, and a pressure-sensitive adhesive layer in the stated order, wherein the polarizing plate has a recessed portion that opens on a surface of the polarizing plate opposite to the glass film, or a through-hole, wherein part of the pressure-sensitive adhesive layer fills the recessed portion or the through-hole, and wherein the glass film has a thickness of from 30 μm to 150 μm.
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公开(公告)号：US20220144574A1
公开(公告)日：2022-05-12
申请号：US17598606
申请日：2020-03-11
摘要： A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.
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公开(公告)号：US20220001652A1
公开(公告)日：2022-01-06
申请号：US17291373
申请日：2018-11-08
摘要： Provided is a thin glass laminate, which is prevented from being broken by bending of a thin glass, and which is excellent in bending durability. The thin glass laminate of the present invention includes a resin film and a thin glass arranged at least on the resin film, wherein the thin glass has a thickness of from 30 μm to 150 μm, and wherein at least part of an end surface of the thin glass is formed of an inclined surface extending downward and outward and/or a curved surface. In one embodiment, at an upper end of the thin glass, at least part of the end surface is formed of the inclined surface extending downward and outward or the curved surface.
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8.发明授权公开(公告)号：US11204447B2
公开(公告)日：2021-12-21
申请号：US16086751
申请日：2017-03-16
发明人： Tomonori Ueno , Satoshi Mita , Atsushi Kishi , Kentaro Ikeshima , Yusuke Motegi
摘要： A surface-protective film attached polarizing film is disclosed which includes a polarizing film (A) having a thickness of 100 μm or less, and a surface-protective film (B) provided on at least one surface of the polarizing film (A), wherein the polarizing film (A) comprises a polarizer, and a protective film provided on at least one surface of the polarizer, the polarizer comprises a polyvinyl alcohol-based resin and has a thickness of 10 μm or less, the polarizing film (A) has a width WA, the surface-protective film (B) has a width WB, a difference between the widths WA and WB (WA−WB) is 3 mm or more, and a peel strength of the surface-protective film (B) to the polarizing film (A) is 0.2 N/25-mm or less. The surface-protective film-attached polarizing film allows to be restrained the polarizing film from being broken, when the surface-protective film is peeled from the polarizing film.
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公开(公告)号：US20200348462A1
公开(公告)日：2020-11-05
申请号：US16936736
申请日：2020-07-23
发明人： Daisuke Hattori , Kozo Nakamura , Atsushi Kishi
IPC分类号： F21V8/00
摘要： Provided are: a film for an LED lighting apparatus, which allows the front surface and/or back surface of a light guide unit to have any appropriate film laminated thereon, or to be subjected to any appropriate surface treatment, while suppressing a reduction in waveguide efficiency of light in a lighting apparatus having an LED light source arranged on one end surface of a light guide plate and being configured to emit light from an end surface opposed to the end surface (entrance end surface) on which the LED light source is arranged; and an LED lighting apparatus including the film for an LED lighting apparatus. The film for an LED lighting apparatus of the present invention includes: a base material; and a low-refractive index layer arranged on at least one side of the base material. In one embodiment, the low-refractive index layer has a refractive index of 1.25 or less.
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公开(公告)号：US20200301058A1
公开(公告)日：2020-09-24
申请号：US16088732
申请日：2017-03-28
发明人： Atsushi Kishi , Shinya Hiraoka , Hiromi Ikeshima
摘要： The present invention is a sheet-like optical film including a release film, a first pressure-sensitive adhesive layer, a polarizing film, and a surface protective film, laminated in this order; wherein a thickness of the polarizing film is 60 μm or less, and when a virtual center plane f is a virtual plane located at an intermediate position in total thickness of the optical film, a distance x (μm) between the virtual center plane f and the surface protective film, and a distance y (μm) between the virtual center plane f and the release film satisfy a formula x−y>−20. The sheet-like optical film of the present invention enables the release film to be easily peeled even if a thin polarizing film is used.
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