公开(公告)号：US20150116835A1

公开(公告)日：2015-04-30

申请号：US14396882

申请日：2013-04-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Junya Eguchi ,  Gen Furui ,  Seika Minakoshi ,  Yukimitsu Iwata

IPC: G02B1/11 ,  G02B1/14 ,  G02B5/30 ,  G02F1/1335

CPC classification number: G02B1/111 ,  G02B1/14 ,  G02B5/0221 ,  G02B5/0242 ,  G02B5/0278 ,  G02B5/0294 ,  G02B5/3033 ,  G02F1/133502 ,  G02F1/133528 ,  G02F2201/38

Abstract: Provided are: an optical film, wherein interference fringes can be suppressed from being generated, cloudiness is not observed, and a manufacture cost can be reduced. In accordance with one aspect of the present invention, there is provided an optical film 10 including a functional layer 12, wherein the functional layer 12 has a concavo-convex surface 12A; and in a state in which the concavo-convex surface 12A is irradiated with parallel light travelling in a direction sloped at 10° with respect to a normal direction N of the optical film 10, in an angle distribution of reflected light intensities measured in a plane including both directions of the normal direction N and the travelling direction T of the parallel light, a value obtained by subtracting ½ angle width from 1/100 angle width is 0.7° or more and 1.4° or less.

Abstract translation: 提供：光学膜，其中可以抑制干涉条纹的产生，不能观察到浑浊，并且可以降低制造成本。 根据本发明的一个方面，提供了一种包括功能层12的光学膜10，其中功能层12具有凹凸表面12A; 并且在以相对于光学膜10的法线方向N倾斜10°的方向上以平行光照射凹凸面12A的状态下，以在平面内测定的反射光强度的角度分布 包括法线方向N的两个方向和平行光的行进方向T，通过从1/100角度宽度减去1/2角度宽度获得的值为0.7°以上且1.4°以下。

公开(公告)号：US20130209737A1

公开(公告)日：2013-08-15

申请号：US13766804

申请日：2013-02-14

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Shoichiro Ogumi ,  Junya Eguchi ,  Gen Furui ,  Seika Minakoshi ,  Yukimitsu Iwata

IPC: G02B1/10 ,  G02B27/28

CPC classification number: G02B1/14 ,  G02B1/10 ,  G02B1/105 ,  G02B5/3025 ,  G02B27/28 ,  Y10T428/24355 ,  Y10T428/24372

Abstract: Provided is an optical layered body which sufficiently suppresses generation of interference fringes and curls, can make a hard coat layer thin, and prevent an increase in production cost. Provided is an optical layered body having a hard coat layer formed on one surface of a light-transmitting substrate, wherein the hard coat layer has a surface roughness on its surface and the surface roughness satisfies the following inequalities of θa and Kr where θa is an average inclination angle of the uneven part and Kr is Kurtosis of the unevenness: 0.01°≦θa≧0.10° 1≦Kr≦3.

Abstract translation: 提供一种充分抑制干涉条纹和卷曲的产生的光学层叠体，能够使硬涂层变薄，防止生产成本的增加。 本发明提供一种具有在透光性基板的一个表面上形成的硬涂层的光学层叠体，其特征在于，所述硬涂层在其表面具有表面粗糙度，所述表面粗糙度满足以下θa和Kr的不等式，其中，θa为 不均匀部分的平均倾角和Kr是不均匀度的峰值：0.01 =@θta= 0.10°1 @ Kr @ 3。

公开(公告)号：US11298925B2

公开(公告)日：2022-04-12

申请号：US16922239

申请日：2020-07-07

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G06F3/045 ,  B32B27/18 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  B32B7/02 ,  G06F3/044

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.

公开(公告)号：US12135406B2

公开(公告)日：2024-11-05

申请号：US18617293

申请日：2024-03-26

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Jun Tsujimoto ,  Yukimitsu Iwata ,  Michiaki Takei ,  Masafumi Tanaka ,  Keisuke Ikeda ,  Gen Furui

IPC: G02B1/11 ,  G02B5/30

Abstract: An optical film having high anti-glare properties and favorable fingerprints wiping off properties is provided. The optical film has a first surface, and a second surface which is a surface opposite to the first surface, wherein the optical film comprises an anti-reflection layer and an anti-glare layer in this order from the first surface to the second surface, the first surface has a profile of depressions and projections, the first surface has an arithmetic mean height Sa of 0.05 μm or more specified in ISO 25178-2:2012, and the first surface satisfies the relation represented by the following Expression 1: Sw×Vmp≤2.00 (Expression 1) wherein “Sw” represents a tilt angle (degrees) of 30 μl pure water droplet flowing down on the first surface; and “Vmp” represents a value of a peak material volume (ml/m2) of the first surface specified in ISO 25178-2:2012.

公开(公告)号：US10831327B2

公开(公告)日：2020-11-10

申请号：US16337242

申请日：2017-09-29

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G06F3/045 ,  G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  B32B27/18 ,  B32B7/02

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.

公开(公告)号：US11960162B2

公开(公告)日：2024-04-16

申请号：US18350424

申请日：2023-07-11

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Mitsuhiro Kuzuhara ,  Yukimitsu Iwata ,  Jun Tsujimoto ,  Shigeki Murakami ,  Gen Furui

IPC: G02B1/11 ,  G01J1/02 ,  G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/133502 ,  G01J1/0242 ,  G02B1/11 ,  G02F1/133314 ,  G02F1/133331

Abstract: Provided is an anti-glare film excellent in anti-glare properties and capable of suppressing reflected scattered light. The anti-glare film includes an anti-glare layer, the anti-glare film having an uneven surface, wherein for an amplitude spectrum of elevation of the uneven surface, when a sum of amplitudes corresponding to spatial frequencies of 0.005 μm−1, 0.010 μm−1, and 0.015 μm−1 is defined as AM1 and an amplitude at a spatial frequency of 0.300 μm−1 is defined as AM2, AM1 is 0.070 μm or more and 0.400 μm or less, AM2 is 0.0050 μm or more, and AM2

公开(公告)号：US11776710B2

公开(公告)日：2023-10-03

申请号：US16979029

申请日：2019-03-08

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Eiji Ooishi ,  Shoichiro Ogumi ,  Yukimitsu Iwata ,  Takashi Takekoshi ,  Seiichi Isojima

IPC: G02F1/1333 ,  G06F3/044 ,  H01B5/14 ,  B32B7/023 ,  B32B7/025 ,  B32B27/34 ,  B32B27/28 ,  B32B27/36 ,  H10K59/40

CPC classification number: H01B5/14 ,  B32B7/023 ,  B32B7/025 ,  B32B27/281 ,  B32B27/34 ,  B32B27/36 ,  G02F1/13338 ,  G06F3/0446 ,  B32B2262/103 ,  B32B2307/202 ,  B32B2307/412 ,  B32B2307/732 ,  B32B2457/202 ,  G06F2203/04102 ,  H10K59/40

Abstract: An electroconductive film which is capable of inhibiting milkiness; and a touch panel and image display device that include the electroconductive film are provided. According to one aspect of the present invention, an electroconductive film 10 including at least an electroconductive part 12, wherein the electroconductive part 12 includes a light-transmitting resin 14 and a plurality of electroconductive fibers 15 placed in the light-transmitting resin 14, and the diffused light reflectance (SCE) in a region of the electroconductive film 10 where the electroconductive part 12 is present is 0.5% or less, is provided.

公开(公告)号：US11648759B2

公开(公告)日：2023-05-16

申请号：US17685028

申请日：2022-03-02

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G09G5/00 ,  B32B27/18 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  G06F3/044 ,  B32B7/02

CPC classification number: B32B27/18 ,  B32B7/02 ,  G06F3/044 ,  G06F3/0412 ,  G06F3/0446 ,  H01L27/323 ,  H01L51/442 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.

公开(公告)号：US11247444B2

公开(公告)日：2022-02-15

申请号：US15564665

申请日：2016-04-05

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Yoshimasa Ogawa ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Eiji Ooishi ,  Shoichiro Ogumi ,  Norinaga Nakamura

IPC: B32B27/20 ,  B32B37/00 ,  B32B38/00 ,  G06F3/041

Abstract: The present invention aims to provide a conductive layered body having excellent solvent resistance and scratch resistance as well as a low haze value and a significantly high light transmittance. The present invention relates to a conductive layered body including, as an outermost layer thereof, a conductive layer containing a conductive fibrous filler, wherein the conductive layered body has a Martens hardness of 150 to 3,000 N/mm2 as measured at an indentation depth of 100 nm from a surface, and a ratio, in atomic percentage, of a conductive material element constituting the conductive fibrous filler on an outermost surface-side surface of the conductive layer is 0.15 to 5.00 at %.

公开(公告)号：US09297934B2

公开(公告)日：2016-03-29

申请号：US13793170

申请日：2013-03-11

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Syouichirou Ogumi ,  Junya Eguchi ,  Gen Furui ,  Seika Minakoshi ,  Yukimitsu Iwata

IPC: G02B1/11 ,  G02B5/02 ,  G02F1/1335

CPC classification number: G02B1/11 ,  G02B5/0221 ,  G02B5/0294 ,  G02F1/133504

Abstract: An optical film, a polarizing plate, a liquid crystal panel, and an image display apparatus are provided, wherein interference fringes can be made to be invisible, and cloudiness can be reduced. In accordance with one aspect of the present invention, an optical film is provided, including a light transmissive substrate, and a functional layer disposed on the light transmissive substrate, wherein the functional layer has a concavo-convex surface forming a surface of the optical film. Assuming that a slope angle of the concavo-convex surface with respect to a film plane of the optical film in a cross section along a direction normal to the film plane is a surface angle, a percentage of a region in which the surface angle is 0.05° or more is 50 % or more in the concavo-convex surface, and the root mean square slope RΔq of a roughness curve on the concavo-convex surface is 0.003 or less.

Abstract translation: 提供了一种光学膜，偏振片，液晶面板和图像显示装置，其中可以使干涉条纹看不见，并且可以降低浑浊。 根据本发明的一个方面，提供了一种光学膜，包括透光基板和设置在透光基板上的功能层，其中功能层具有形成光学膜的表面的凹凸表面 。 假设凹凸面相对于光学膜的沿着与膜面垂直的方向的截面中的膜面的倾斜角为面角度，表面角度为0.05的区域的百分比 在凹凸面上为50％以上，凹凸面的粗糙度曲线的均方根R＆Dgr; q为0.003以下。