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：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：US20250044635A1

公开(公告)日：2025-02-06

申请号：US18717369

申请日：2023-04-25

Applicant: DAI NIPPON PRINTING CO., LTD.

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

IPC: G02F1/1335

Abstract: Provided is an optical film which has high anti-glare properties, enables a suppress of a reduction in jet-black appearance by reflected scattered light, and has favorable scratch resistance. An optical film having a surface with depressions and projections, wherein the surface with depressions and projections has a peak material volume Vmp of 0.010 ml/m2 or more and 0.050 ml/m2 or less specified in ISO 25178-2:2012, and a minimum autocorrelation length Sal of 4.0 μm or more and 12.0 μm or less specified in ISO 25178-2:2012.

公开(公告)号：US20240411055A1

公开(公告)日：2024-12-12

申请号：US18701546

申请日：2022-10-27

Applicant: DAI NIPPON PRINTING CO., LTD.

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

IPC: G02B1/111 ,  G02B5/30

Abstract: Provided is an anti-glare film excellent in anti-glare properties and scratch resistance 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 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 more than 0.4000 μm and 1.0000 μm or less, and AM2 is 0.0050 μm or more and 0.0500 μm or less.

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：US20250155605A1

公开(公告)日：2025-05-15

申请号：US19022618

申请日：2025-01-15

Applicant: DAI NIPPON PRINTING CO., LTD.

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

IPC: G02B1/11 ,  G02B1/111 ,  G02B1/18 ,  G02B5/02 ,  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：US20240427058A1

公开(公告)日：2024-12-26

申请号：US18716827

申请日：2023-04-25

Applicant: DAI NIPPON PRINTING CO., LTD.

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

IPC: G02B1/111

Abstract: Provided is an optical film which has high anti-glare properties and high scratch resistance and enables a suppression in reflected scattered light. An optical film having a surface with depressions and projections, wherein the surface with depressions and projections has a developed interfacial area ratio Sdr of 0.010 or more and 0.060 or less specified in ISO 25178-2:2012, and a minimum autocorrelation length Sa1 of 4.0 μm or more and 12.0 μm or less specified in ISO 25178-2:2012.

公开(公告)号：US20240418911A1

公开(公告)日：2024-12-19

申请号：US18717368

申请日：2023-04-25

Applicant: DAI NIPPON PRINTING CO., LTD.

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

IPC: G02B5/02

Abstract: Provided is an optical film which has high anti-glare properties, enables a suppress of a reduction in jet-black appearance by reflected scattered light, and has favorable scratch resistance. An optical film having a surface with depressions and projections, wherein the surface with depressions and projections has a reduced peak height Spk of 0.20 μm or more and 1.00 μm or less specified in ISO 25178-2:2012, and a minimum autocorrelation length Sal of 4.0 μm or more and 12.0 μm or less specified in ISO 25178.