公开(公告)号：US10215900B2

公开(公告)日：2019-02-26

申请号：US15321875

申请日：2015-06-26

Applicant: NITTO DENKO CORPORATION

Inventor： Masahiro Yaegashi ,  Daisuke Ogomi ,  Yuki Nakano ,  Yuji Saiki ,  Kota Nakai

IPC: G02B5/30 ,  B32B7/02 ,  G09F9/00 ,  G02B1/14 ,  B32B3/26 ,  B32B3/30 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/20 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  H01L51/52 ,  B29D11/00 ,  G02F1/1335

Abstract: A long polarizing film laminate capable of producing a polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizing film laminate according to an embodiment of the present invention includes: a long polarizer; and a surface protective film arranged on one surface side of the polarizer. The polarizing film laminate has, on the one surface side, exposed portions where the polarizer is exposed. The exposed portions are arranged in a lengthwise direction and/or a widthwise direction of the polarizer at predetermined intervals.

公开(公告)号：US20170137671A1

公开(公告)日：2017-05-18

申请号：US15322258

申请日：2015-06-26

Applicant: NITTO DENKO CORPORATION

Inventor： Daisuke Ogomi ,  Masahiro Yaegashi ,  Yuki Nakano ,  Kota Nakai ,  Yuki Ose

IPC: C09J7/02 ,  G02B1/14 ,  G02B5/30

Abstract: A long pressure-sensitive adhesive film, that can be suitably used as a surface protective film or mask at the time of the treatment of a predetermined portion of a long film. A pressure-sensitive adhesive film including a long resin film; and a pressure-sensitive adhesive layer arranged on one surface of the resin film. The pressure-sensitive adhesive film has through-holes that are arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, and that penetrate the resin film and the pressure-sensitive adhesive layer integrally.

公开(公告)号：US20170090086A1

公开(公告)日：2017-03-30

申请号：US15271891

申请日：2016-09-21

Applicant: NITTO DENKO CORPORATION

Inventor： Shusaku Goto ,  Akinori Izaki ,  Daisuke Ogomi

IPC: G02B5/30 ,  G02B1/04 ,  G02F1/1335 ,  H04N5/232 ,  C09D129/04 ,  C08J7/04

CPC classification number: G02B5/3033 ,  C08J7/047 ,  C08J2329/04 ,  C08L2205/02 ,  C09D129/04 ,  G02B1/04 ,  G02F1/133528 ,  G02F2202/28 ,  H04N5/23293 ,  C08L29/14 ,  C08K3/01

Abstract: There is provided a polarizer that can realize multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein the polarizer has formed therein a transparent portion having a transmittance higher than that of another portion, and when the polarizer is placed under an environment having a temperature of 60° C. and a humidity of 90% for 2 hours, a transmittance change (ΔTs) of the transparent portion is 10% or less.

公开(公告)号：US20160238770A1

公开(公告)日：2016-08-18

申请号：US15042599

申请日：2016-02-12

Applicant: NITTO DENKO CORPORATION

Inventor： Shusaku Goto ,  Daisuke Ogomi ,  Masahiro Yaegashi

IPC: G02B5/30 ,  G02B27/28

CPC classification number: G02B5/3033

Abstract: A polarizer according to an embodiment of the present invention includes a resin film having a thickness of 13 μm or less and containing iodine. The resin film has formed therein a low-concentration portion having a content of the iodine lower than that of another portion.

Abstract translation: 根据本发明的实施方案的偏振器包括厚度为13μm以下且含有碘的树脂膜。 树脂膜中形成了碘含量低于另一部分的低浓度部分。

公开(公告)号：US11061176B2

公开(公告)日：2021-07-13

申请号：US16801670

申请日：2020-02-26

Applicant: NITTO DENKO CORPORATION

Inventor： Daisuke Ogomi ,  Yuji Saiki ,  Masahiro Yaegashi ,  Kota Nakai ,  Yuki Nakano

IPC: G02B5/30 ,  G02F1/1335 ,  H01L51/52

Abstract: A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer including a resin film containing a dichroic substance, wherein the polarizer has a low dichroic substance concentration portion whose content of the dichroic substance is relatively low in the resin film. In the polarizer, the low dichroic substance concentration portion has a content of an alkali metal and/or an alkaline earth metal of 3.6 wt % or less.

公开(公告)号：US10578786B2

公开(公告)日：2020-03-03

申请号：US16254946

申请日：2019-01-23

Applicant: NITTO DENKO CORPORATION

Inventor： Katsunori Takada ,  Daisuke Ogomi ,  Shinobu Nagano ,  Eiko Suefusa ,  Yoshitsugu Kitamura ,  Hiroki Kuramoto ,  Youichirou Sugino ,  Keisuke Kimura

IPC: G02B1/08 ,  G02B5/30 ,  B32B3/24 ,  B32B5/14 ,  B32B3/26 ,  G02B1/14 ,  B32B27/30 ,  B32B38/04 ,  B29K629/00 ,  B29K105/00 ,  C08J7/04 ,  G02F1/1335 ,  B23K26/382 ,  C08J5/18 ,  B29D11/00

Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.

公开(公告)号：US20180321429A1

公开(公告)日：2018-11-08

申请号：US15986240

申请日：2018-05-22

Applicant: NITTO DENKO CORPORATION

Inventor： Muniridin Yasen ,  Daisuke Ogomi ,  Yuuji Saiki

IPC: G02B5/30 ,  G02B1/08

CPC classification number: G02B5/305 ,  G02B1/08 ,  G02B5/3033

Abstract: An iodine-based polarizer includes a polyvinyl alcohol-based film; and iodine adsorbed and oriented in the polyvinyl alcohol-based film, the iodine-based polarizer having be undergone a treatment with a treatment bath containing at least one reducing agent, the iodine-based polarizer containing an oxidized form of the reducing agent, wherein the total content of the reducing agent and the oxidized form is from 0.06×10−6 mol/g to 1.6×10−6 mol/g. The iodine-based polarizer has a sufficiently high level of transmittance, degree of polarization, and other optical properties and can suppress light leakage in short-wavelength.

公开(公告)号：US09658366B2

公开(公告)日：2017-05-23

申请号：US14425760

申请日：2013-10-11

Applicant: NITTO DENKO CORPORATION

Inventor： Shusaku Goto ,  Daisuke Ogomi ,  Yuki Nakano ,  Muniridin Yasen ,  Osamu Kaneko

IPC: G02B1/08 ,  G02B5/30 ,  G02F1/1335 ,  G02B1/111

CPC classification number: G02B1/08 ,  G02B1/111 ,  G02B5/3033 ,  G02F1/133528

Abstract: Provided is a polarizing film that is excellent in external appearance and can contribute to improving the display characteristics of an image display apparatus. A polarizing film of the present invention includes a polyvinyl alcohol-based resin film containing iodine. At least one surface side of the polyvinyl alcohol-based resin film includes a low-iodine layer.

公开(公告)号：US20170129197A1

公开(公告)日：2017-05-11

申请号：US15321974

申请日：2015-06-26

Applicant: NITTO DENKO CORPORATION

Inventor： Masahiro Yaegashi ,  Daisuke Ogomi ,  Yuki Nakano ,  Yuji Saiki ,  Kota Nakai

IPC: B29D11/00 ,  B32B3/26 ,  B32B27/08 ,  B32B27/30 ,  G02B1/14 ,  B32B37/14 ,  B32B27/36 ,  B32B38/10 ,  G02B5/30 ,  B32B7/02 ,  B32B37/20

CPC classification number: B29D11/00644 ,  B29C55/023 ,  B29C55/065 ,  B29K2629/04 ,  B29K2667/003 ,  B32B3/266 ,  B32B7/02 ,  B32B27/08 ,  B32B27/306 ,  B32B27/36 ,  B32B37/02 ,  B32B37/144 ,  B32B37/203 ,  B32B38/10 ,  B32B38/1825 ,  B32B2038/0028 ,  B32B2038/047 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2307/42 ,  B32B2309/105 ,  B32B2329/04 ,  B32B2367/00 ,  B32B2457/20 ,  G02B1/14 ,  G02B5/3041

Abstract: A method of producing a long polarizer by which a polarizer serving as a final product that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, and that is free of any variation in quality can be produced at low cost and with high productivity. A method of producing a long polarizer having non-polarization portions according to an embodiment of the present invention includes; laminating, on one surface of a long polarizer, a long surface protective film having through-holes arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals to form a long polarizing film laminate; partially decoloring the polarizer through the through-holes of the surface protective film to form the non-polarization portions; and removing the surface protective film.

公开(公告)号：US20170123125A1

公开(公告)日：2017-05-04

申请号：US15338975

申请日：2016-10-31

Applicant: NITTO DENKO CORPORATION

Inventor： Katsunori Takada ,  Daisuke Ogomi ,  Shinobu Nagano ,  Eiko Suefusa ,  Yoshitsugu Kitamura ,  Hiroki Kuramoto ,  Youichirou Sugino ,  Keisuke Kimura

IPC: G02B5/30 ,  G02B1/14

CPC classification number: G02B5/3033 ,  B23K26/382 ,  B29D11/00432 ,  B29D11/00644 ,  B29D11/0073 ,  B29D11/00865 ,  B29D11/00894 ,  B29D11/00913 ,  B29K2105/0032 ,  B29K2105/256 ,  B29K2629/04 ,  B29K2995/002 ,  B29K2995/0034 ,  B32B3/266 ,  B32B5/142 ,  B32B5/147 ,  B32B27/306 ,  B32B2038/042 ,  B32B2038/047 ,  B32B2307/402 ,  B32B2307/42 ,  B32B2329/04 ,  B32B2551/00 ,  C08J5/18 ,  C08J7/04 ,  G02B1/08 ,  G02B1/14 ,  G02F1/133528

Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.