公开(公告)号：US11959000B2

公开(公告)日：2024-04-16

申请号：US18018177

申请日：2022-06-15

Applicant: WAKAYAMA PREFECTURE ,  NITTO DENKO CORPORATION

Inventor： Takeshi Mori ,  Tomohiro Mori ,  Akane Saito ,  Tsuyoshi Masuda ,  Hitoshi Saomoto ,  Mami Kawaguchi ,  Minoru Miyatake ,  Shoichi Matsuda ,  Masato Katsuda

IPC: C09K11/06 ,  C08J5/18 ,  C08J9/00 ,  C08J9/28 ,  C08K5/00 ,  C08K5/01 ,  C08K5/06 ,  C08K5/092 ,  C08K5/45 ,  C09K11/02

CPC classification number: C09K11/06 ,  C08J5/18 ,  C08J9/0023 ,  C08J9/0033 ,  C08J9/0052 ,  C08J9/283 ,  C08K5/0091 ,  C08K5/01 ,  C08K5/06 ,  C08K5/092 ,  C08K5/45 ,  C09K11/02 ,  C08J2201/0504 ,  C08J2301/28 ,  C08J2325/06 ,  C08J2325/18 ,  C08J2329/04 ,  C08J2333/12 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018

Abstract: Provided are a photon up-conversion film, which is capable, of high-efficiency up-conversion even in air and even when low-intensity light is used, and a simple method of producing the film. The photon up-conversion film according to one embodiment of the present invention includes: a matrix including a resin; and a pore portion, wherein the photon up-conversion film includes at least a sensitizing component capable of absorbing light in a first wavelength region λ1, and a light-emitting component capable of radiating light in a second wavelength region λ2 including wavelengths shorter than those of the first wavelength region λ1, and wherein the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.

公开(公告)号：US20240059960A1

公开(公告)日：2024-02-22

申请号：US18018177

申请日：2022-06-15

Applicant: WAKAYAMA PREFECTURE ,  NITTO DENKO CORPORATION

Inventor： Takeshi Mori ,  Tomohiro Mori ,  Akane Saito ,  Tsuyoshi Masuda ,  Hitoshi Saomoto ,  Mami Kawaguchi ,  Minoru Miyatake ,  Shoichi Matsuda ,  Masato Katsuda

IPC: C09K11/06 ,  C09K11/02 ,  C08K5/00 ,  C08K5/01 ,  C08K5/45 ,  C08K5/092 ,  C08K5/06 ,  C08J5/18 ,  C08J9/28 ,  C08J9/00

CPC classification number: C09K11/06 ,  C09K11/02 ,  C08K5/0091 ,  C08K5/01 ,  C08K5/45 ,  C08K5/092 ,  C08K5/06 ,  C08J5/18 ,  C08J9/283 ,  C08J9/0052 ,  C08J9/0033 ,  C08J9/0023 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018 ,  C08J2329/04 ,  C08J2301/28 ,  C08J2325/18 ,  C08J2333/12 ,  C08J2325/06 ,  C08J2201/0504 ,  C08J2205/05

Abstract: Provided are a photon up-conversion film, which is capable of high-efficiency up-conversion even in air and even when low-intensity light is used, and a simple method of producing the film. The photon up-conversion film according to one embodiment of the present invention includes: a matrix including a resin; and a pore portion, wherein the photon up-conversion film includes at least a sensitizing component capable of absorbing light in a first wavelength region λ1, and a light-emitting component capable of radiating light in a second wavelength region λ2 including wavelengths shorter than those of the first wavelength region λ1, and wherein the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.

公开(公告)号：US10061066B2

公开(公告)日：2018-08-28

申请号：US15515887

申请日：2015-09-29

Applicant: NITTO DENKO CORPORATION

Inventor： Tomonori Ueno ,  Satoshi Mita ,  Yusuke Motegi ,  Jingfan Xu ,  Atsushi Kishi ,  Minoru Miyatake

IPC: G02B5/30 ,  B32B7/02 ,  G02B1/14 ,  B32B27/08 ,  B32B27/30 ,  B32B37/12

Abstract: The present invention pertains to a one-side-protected polarizing film having a transparent protective film on only one surface of a polarizer, wherein: the polarizer contains a polyvinyl alcohol-based resin, has a thickness of 10 μm or less, and is designed to have a single-body transmittance T and a polarization degree P representing optical properties satisfying the condition of the following formula: P>−(100.929T−42.4−1)×100 (provided that T

公开(公告)号：US09744750B2

公开(公告)日：2017-08-29

申请号：US14639818

申请日：2015-03-05

Applicant: NITTO DENKO CORPORATION

Inventor： Takeharu Kitagawa ,  Takuya Nakazono ,  Shusaku Goto ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: B29C65/52 ,  B29C65/54 ,  B32B37/12 ,  B32B37/20 ,  B32B38/04 ,  B32B38/10 ,  B32B38/18 ,  B32B41/00 ,  B32B43/00 ,  B32B37/00 ,  B29C55/02 ,  B29C55/06 ,  G02B5/30 ,  B29K29/00 ,  B29K67/00 ,  B32B37/18 ,  B32B38/00 ,  B32B37/24

CPC classification number: B32B37/0046 ,  B29C55/023 ,  B29C55/026 ,  B29C55/065 ,  B29K2029/04 ,  B29K2067/003 ,  B29K2995/0034 ,  B32B37/025 ,  B32B37/12 ,  B32B37/18 ,  B32B37/182 ,  B32B37/203 ,  B32B38/0004 ,  B32B38/04 ,  B32B38/10 ,  B32B38/145 ,  B32B38/18 ,  B32B2037/243 ,  B32B2038/045 ,  B32B2307/42 ,  B32B2309/72 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/206 ,  B32B2457/208 ,  B32B2551/00 ,  G02B5/305 ,  Y10T156/1059 ,  Y10T156/1062 ,  Y10T156/1082 ,  Y10T156/12 ,  Y10T156/1322

Abstract: A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer.

公开(公告)号：US09488756B2

公开(公告)日：2016-11-08

申请号：US15068995

申请日：2016-03-14

Applicant: NITTO DENKO CORPORATION

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: G02B5/30 ,  G02B1/16 ,  G02B1/14 ,  G02F1/1335 ,  B32B27/30 ,  B32B27/08 ,  G02B1/08

CPC classification number: G02B1/16 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/36 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/40 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/21 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/516 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/706 ,  B32B2307/708 ,  B32B2457/202 ,  C08K3/105 ,  C08K3/24 ,  C09J7/22 ,  C09J7/29 ,  C09J7/38 ,  C09J133/066 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  G02B1/08 ,  G02B1/14 ,  G02B5/3025 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133533 ,  C08F2220/1825 ,  C08F2220/185 ,  C08F220/20 ,  C08F2220/301 ,  C08F220/06

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded.

Abstract translation: 本发明的带有粘合剂层的偏光膜包括：偏光膜; 以及设置在所述偏振膜上的压敏粘合剂层，其中所述偏振膜包括偏振片和仅设置在所述偏振片一侧的透明保护膜，所述粘合剂层设置在所述偏振片的一侧， 透明保护膜不存在，并且压敏粘合剂层由含有（甲基）丙烯酸类聚合物（A）和碱金属盐（B）的压敏粘合剂组合物制成。 带有粘合剂层的偏光膜具有抗静电功能和令人满意的耐久性的粘合剂层，其光学性能不太可能劣化。

公开(公告)号：US09453953B2

公开(公告)日：2016-09-27

申请号：US14920322

申请日：2015-10-22

Applicant: NITTO DENKO CORPORATION

Inventor： Akinori Izaki ,  Takeharu Kitagawa ,  Shusaku Goto ,  Takashi Kamijo ,  Tomohiro Mori ,  Minoru Miyatake

IPC: G02B5/30 ,  B29C55/02 ,  B29C55/06 ,  B05D5/06 ,  C08J7/04 ,  B29D11/00 ,  B29K29/00 ,  G02F1/1335 ,  B29K67/00

CPC classification number: G02B5/305 ,  B05D5/06 ,  B29C55/026 ,  B29C55/06 ,  B29D11/00644 ,  B29K2029/04 ,  B29K2067/003 ,  B29K2995/0034 ,  C08J7/047 ,  C08J2323/20 ,  C08J2367/02 ,  C08J2429/04 ,  G02B5/3033 ,  G02F1/133528

Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics.The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 μm or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Abstract translation: 薄偏光膜通过在热塑性树脂基板上形成聚乙烯醇类树脂层来制造。 薄偏光膜的厚度为10μm以下，单轴透射率为42.0％以上，偏光度为99.95％以上，碘含量为17.6克/ 400×700平方毫米以下，为 通过离子色谱法测定。

公开(公告)号：US09442235B2

公开(公告)日：2016-09-13

申请号：US14200721

申请日：2014-03-07

Applicant: NITTO DENKO CORPORATION

Inventor： Takeharu Kitagawa ,  Takuya Nakazono ,  Shusaku Goto ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: G02B5/30 ,  G02B1/08 ,  G02B27/28

CPC classification number: G02B5/305 ,  G02B1/08 ,  G02B5/3033 ,  G02B27/288 ,  Y10T428/1041 ,  Y10T428/14 ,  Y10T428/15

Abstract: A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer.

Abstract translation: 一种制造光学膜层叠体的连续卷筒纸的方法，可用于将包括偏振膜的光学膜片层压并且形成为与所述光学板相对应的尺寸的光学膜片的工艺，以提供给被馈送的光学板的表面 公开了层压位置。 通过对形成在基板上的热塑性树脂基板和PVA型树脂层的层叠体进行单轴2阶段拉伸，将PVA类树脂层的厚度缩小到10μm以下，制作偏光膜， 二色性材料被吸收在PVA型树脂层中。 载体膜通过粘合剂层可释放地附着到包括偏振膜的光学膜层压板的连续幅材上。 对光学膜层叠体和粘合剂层进行缺陷检查。

公开(公告)号：US20150226894A1

公开(公告)日：2015-08-13

申请号：US14695973

申请日：2015-04-24

Applicant: NITTO DENKO CORPORATION

Inventor： Shusaku Goto ,  Yuuki Nakano ,  Kentaro Ikeshima ,  Nobuyuki Haida ,  Minoru Miyatake ,  Osamu Kaneko

IPC: G02B5/30 ,  G02B1/08 ,  B32B37/24 ,  G02B1/14 ,  B32B38/00 ,  B32B38/10

CPC classification number: G02B5/3033 ,  B29D11/00644 ,  B32B37/24 ,  B32B38/0012 ,  B32B38/10 ,  B32B2037/243 ,  B32B2038/0028 ,  B32B2307/42 ,  B32B2457/202 ,  B32B2551/00 ,  G02B1/08 ,  G02B1/14 ,  G02B5/30 ,  G02B5/305

Abstract: A method of manufacturing a polarizing plate according to an embodiment of the present invention includes: stretching and dyeing a laminate having a resin substrate and a polyvinyl alcohol-based resin layer formed on at least one side of the resin substrate to produce a polarizing film on the resin substrate; laminating an optically functional film on the laminate on a polarizing film side to produce an optically functional film laminate; and peeling the resin substrate from the optically functional film laminate. The peeling is performed so that an angle α formed between a surface of the optically functional film laminate immediately before the peeling and a peeling direction of the resin substrate is smaller than an angle β formed between the surface of the optically functional film laminate immediately before the peeling and a peeling direction of the polarizing film.

Abstract translation: 根据本发明的实施方式的偏光板的制造方法包括：在树脂基板的至少一面形成有树脂基板和聚乙烯醇系树脂层的层压体的拉伸染色， 树脂基板; 在偏振膜侧的层压体上层叠光学功能膜，制作光学功能性膜层叠体; 以及从光学功能膜层压体剥离树脂基板。 进行剥离，使得在剥离之前的光学功能膜层叠体的表面与树脂基板的剥离方向之间形成的角度α小于角度＆bgr; 在剥离前的光学功能性膜层叠体的表面与偏振膜的剥离方向之间形成。

公开(公告)号：US20140130955A1

公开(公告)日：2014-05-15

申请号：US14156907

申请日：2014-01-16

Applicant: NITTO DENKO CORPORATION

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Takaaki Ishii ,  Masakuni Fujita ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: C09J7/02

CPC classification number: C09J7/026 ,  B05D5/10 ,  C09J7/385 ,  G02B5/3025 ,  G02B5/3033 ,  Y10T156/10 ,  Y10T428/1059

Abstract: A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (μm) standard deviation of 0.12 μm or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer.

Abstract translation: 本发明的粘合型光学膜包括光学膜和设在该光学膜上的压敏粘合剂层，其中该粘合剂层的厚度（μm）标准偏差为0.12μm以下。 粘合型光学薄膜可以减少由粘合剂层引起的可见的不均匀性的问题。

公开(公告)号：US20140111858A1

公开(公告)日：2014-04-24

申请号：US14122587

申请日：2012-05-24

Applicant: NITTO DENKO CORPORATION

Inventor： Yuusuke Toyama ,  Tomoyuki Kimura ,  Atsushi Yasui ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: G02B5/30

CPC classification number: G02B5/305 ,  C08J5/18 ,  G02B5/3033 ,  G02F1/133528

Abstract: Provided is a polarizing plate with a pressure-sensitive adhesive layer which is excellent in reliability of optical properties and durability of pressure-sensitive adhesion. The polarizing plate with a pressure-sensitive adhesive layer comprises a polarizing film and a pressure-sensitive adhesive layer provided directly on at least one surface of the polarizing film. The pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive composition containing a pressure-sensitive adhesive polymer, and an amount of an acid component in a total monomer component constituting the pressure-sensitive adhesive polymer is less than 8 wt %.

Abstract translation: 本发明提供一种具有粘合剂层的偏光板，其光学性能的可靠性和压敏粘合剂的耐久性优异。 具有压敏粘合剂层的偏振片包括偏振膜和直接设置在偏振膜的至少一个表面上的压敏粘合剂层。 压敏粘合剂层包括含有压敏粘合剂聚合物的压敏粘合剂组合物，构成压敏粘合剂聚合物的总单体组分中的酸组分的量小于8重量％。