公开(公告)号：US20240272331A1

公开(公告)日：2024-08-15

申请号：US18686673

申请日：2023-09-25

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Jun TSUJIMOTO ,  Yukimitsu IWATA ,  Michiaki TAKEI ,  Masafumi TANAKA ,  Keisuke IKEDA ,  Gen FURUI

IPC: G02B1/111 ,  G02B1/18 ,  G02B5/02 ,  G02B5/30

CPC classification number: G02B1/111 ,  G02B1/18 ,  G02B5/0247 ,  G02B5/3025

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：US20240012277A1

公开(公告)日：2024-01-11

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: G02B1/111 ,  G02B1/113

CPC classification number: G02B1/111 ,  G02B1/113

Abstract: Provided is an anti-glare film excellent in anti-glare properties and capable of suppressing reflected scattered light.
An anti-glare film including an anti-glare layer, the anti-glare film having an uneven surface, wherein for 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：US20150260882A1

公开(公告)日：2015-09-17

申请号：US14643550

申请日：2015-03-10

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Gen FURUI ,  Jun TSUJIMOTO ,  Aya NAITOU

IPC: G02B1/11 ,  B05D5/06 ,  G06F3/041 ,  B29D11/00

CPC classification number: G02B5/0221 ,  B05D5/06 ,  G02F2001/133507 ,  G06F3/0412

Abstract: A touch panel capable of imparting a variety of characteristics such as anti-glare properties and preventing the scintillation of image light in ultrahigh-definition display elements having a pixel density of 300 ppi or more is provided.The touch panel includes an optical sheet as a component, in which the optical sheet has an uneven shape on a surface, the uneven shape satisfies at least one condition selected from the following (A) to (C), and the touch panel is used for a front surface of a display element having a pixel density of 300 ppi or more, Condition (A); a gap between inclination angles indicating a half value of a peak value of an inclination angle distribution curve of the uneven shape is in a range of 5 degrees to 15 degrees, Condition (B); an inclination angle indicating an inflection point on a positive direction side of the inclination angle indicating the peak value of the inclination angle distribution curve of the uneven shape is in a range of 4 degrees to 15 degrees, and a difference between the inclination angle indicating the inflection point on the positive direction side and the inclination angle indicating the peak value of the inclination angle distribution curve is in a range of 2.2 degrees to 10 degrees, and Condition (C); the inclination angle indicating the peak value of the inclination angle distribution curve of the uneven shape is in a range of 2 degrees to 8 degrees, skewness of the inclination angle distribution curve of the uneven shape is in a range of 0 degrees to 1.5 degrees, and/or kurtosis of the inclination angle distribution curve of the uneven shape is in a range of 1.5 to 6.

Abstract translation: 提供一种能够赋予各种特征的触摸面板，例如抗眩光特性，并且防止图像光在具有300ppi以上的像素密度的超高清晰度显示元件中闪烁。 触摸面板包括光学片作为其中光学片在表面上具有不均匀形状的部件，该不平坦形状满足从以下（A）至（C）中选择的至少一种条件，并且使用触摸面板 对于具有300ppi或更大像素密度的显示元件的前表面，条件（A）; 条件（B）在不同形状的倾斜角度分布曲线的峰值的半值之间的间隔为5度〜15度的范围。 指示倾斜角度的正方向侧的拐点的倾斜角度表示该不平坦形状的倾斜角度分布曲线的峰值在4度至15度的范围内，并且指示 正方向侧的拐点和倾斜角分布曲线的峰值的倾斜角在2.2度〜10度的范围内，条件（C）; 指示不平坦形状的倾斜角度分布曲线的峰值的倾斜角度在2度至8度的范围内，不平坦形状的倾斜角度分布曲线的偏斜度在0度至1.5度的范围内， 和/或不均匀形状的倾斜角分布曲线的峰度在1.5〜6的范围内。

公开(公告)号：US20230345799A1

公开(公告)日：2023-10-26

申请号：US17906687

申请日：2021-03-23

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Jun SATO ,  Gen FURUI ,  Atsuhiro KOBAYASHI ,  Yoshimasa OGAWA

IPC: H10K59/80 ,  H10K77/10 ,  B32B17/10 ,  B32B7/12 ,  B32B27/36 ,  B32B27/30 ,  B32B27/08

CPC classification number: H10K59/873 ,  H10K77/111 ,  B32B17/10 ,  B32B7/12 ,  B32B27/36 ,  B32B27/308 ,  B32B27/08 ,  H10K2102/311

Abstract: The present disclosure provides a flexible organic electroluminescence display device comprising a front panel placed on an observer side of an organic electroluminescence display panel, wherein the front panel includes a glass substrate, with a thickness of 100 μm or less, on the organic electroluminescence display panel, and a resin layer on the glass substrate; in a plane of the resin layer, when a composite elastic modulus of a first direction is regarded as E1, a composite elastic modulus of a second direction that is a direction orthogonally crossing the first direction is regarded as E2, E1/E2 is 1.2 or more; and an angle formed by a folding direction of the flexible organic electroluminescence display device and the first direction is 45° or more and 90° or less.

公开(公告)号：US20230229036A1

公开(公告)日：2023-07-20

申请号：US17998460

申请日：2021-05-14

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Mitsuhiro KUZUHARA ,  Yukimitsu IWATA ,  Jun TSUJIMOTO ,  Shigeki MURAKAMI ,  Gen FURUI

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

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

Abstract: Provided is an anti-glare film excellent in anti-glare properties and capable of suppressing reflected scattered light.
An anti-glare film including an anti-glare layer, the anti-glare film having an uneven surface, wherein for 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：US20130242397A1

公开(公告)日：2013-09-19

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

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, wherein interference fringes can be made to be invisible, and cloudiness can be reduced. In accordance with one aspect of the present invention, there is provided an optical film 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 rate 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: 光学膜，偏振板，液晶面板和图像显示装置，其中可以使干涉条纹不可见，并且可以降低浑浊。 根据本发明的一个方面，提供了一种包括透光基板的光学膜; 以及设置在所述透光基板上的功能层，其中所述功能层具有形成所述光学膜的表面的凹凸表面; 假设凹凸表面相对于光学薄膜的垂直于膜平面的方向的横截面中的倾斜角是表面角，表面角度为0.05的区域的速率 在凹凸表面中，多于50％以上; 凹凸表面的粗糙度曲线的均方根值RDeltaq为0.003以下。

公开(公告)号：US20240272330A1

公开(公告)日：2024-08-15

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

CPC classification number: 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：US20230016838A1

公开(公告)日：2023-01-19

申请号：US17762643

申请日：2020-09-28

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuhiro KOBAYASHI ,  Yousuke KOUSAKA ,  Takayuki FUKUDA ,  Kazuya HONDA ,  Kana YAMAMOTO ,  Yoshimasa OGAWA ,  Jun SATO ,  Gen FURUI ,  Keisuke YAMADA ,  Saori KAWAGUCHI

IPC: C08J7/046 ,  C08J7/04 ,  C08J5/18 ,  C08F222/10 ,  C08F220/30 ,  B32B27/08 ,  B32B27/30

Abstract: One embodiment of the present disclosure provides a resin layer 10 used for an image displaying device, wherein a shear storage elastic modulus G′ of the resin layer 10, at 25° C. and frequency range of 500 Hz or more and 1000 Hz or less, is 30 MPa or more and 200 MPa or less, and a glass transition temperature of the resin layer 10 is 50° C. or more.

公开(公告)号：US20220373720A1

公开(公告)日：2022-11-24

申请号：US17421204

申请日：2020-01-10

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Mitsuhiro KUZUHARA ,  Junya EGUCHI ,  Gen FURUI

IPC: G02B5/02 ,  H01L51/52

Abstract: Provided is an anti-glare film that can suppress reflection and impart a sense of luxury by suppressing surface graininess. The anti-glare film includes a first main surface and a second main surface opposite to the first main surface, in which when the average inclination angle with a cut-off value of 0.8 mm of the first main surface is defined as θa0.8 and the average inclination angle with a cut-off value of 2.5 mm of the first main surface is defined as θa2.5, the anti-glare film satisfies the following Equations (1) and (2). 0.20 degrees≤θa0.8≤0.70 degrees   (1) |θa2.5−θa0.8|≤0.10 degrees   (2)

公开(公告)号：US20220229208A1

公开(公告)日：2022-07-21

申请号：US17615412

申请日：2020-05-26

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Masaharu SATO ,  Takayuki FUKUDA ,  Gen FURUI

IPC: G02B1/11 ,  G02F1/1335 ,  G06F3/041

Abstract: Provided is an anti-glare film that can suppress glare in various display devices with different distances between the display elements and the anti-glare layer. The anti-glare film includes an anti-glare layer, wherein the anti-glare layer has a 500-μm square area, as measured for surface roughness, satisfying condition 1 and condition 2 below, where the maximum peak height is defined as P, a plane having a height obtained by adding P/6 to the average height is defined as the first reference plane, the number of projections exceeding the first reference plane is defined as N1, a plane having a height obtained by adding P/3 to the average height is defined as the second reference plane, and the number of projections exceeding the second reference plane is defined as N2: P is 0.20 μm or more and 1.20 μm or less; and   0.20≤N2/N1≤0.45.