| 发明名称 | Optical film and touch panel | ||
| 摘要 | A touch panel which prevents Newton ring formation and glare, shows high transmission image clarity, prevents haze and has high visibility, and an optical film which is applicable to such a touch panel. An optical film comprising an optically-transparent substrate and at least one hard coat layer (A) disposed on a surface of the optically-transparent substrate, wherein a surface of the hard coat layer (A), which is opposite to a surface where the optically-transparent substrate is present, has an arithmetic mean roughness (Ra) defined in JIS B0601 (1994) of 0.025 to 0.05 μm, and has 10 to 250 convex portions each having a height of 0.3 to 3 μm in a 1.08 mm square area. | ||
| 申请公布号 | US9151875(B2) | 申请公布日期 | 2015.10.06 |
| 申请号 | US201013510087 | 申请日期 | 2010.11.29 |
| 申请人 | DAI NIPPON PRINTING CO., LTD. | 发明人 | Takamiya Hiroyuki;Ueno Kenji;Minakoshi Seika |
| 分类号 | G02B1/10;G02B5/02;G02F1/1333;G02F1/1335;G02F1/13363 | 主分类号 | G02B1/10 |
| 代理机构 | Ladas & Parry LLP | 代理人 | Ladas & Parry LLP |
| 主权项 | 1. An optical film comprising an optically-transparent substrate and at least one hard coat layer (A) disposed on a surface of the optically-transparent substrate, wherein a surface of the hard coat layer (A), which is opposite to a surface where the optically-transparent substrate is present, has an arithmetic mean roughness (Ra) defined in JIS B0601 (1994) of 0.025 to 0.05 μm, and has 10 to 250 convex portions each having a height of 0.3 to 3 μm in a 1.08 mm square area, and wherein the hard coat layer (A) has a laminated thickness of 2.5 to 6.5 μm, and the optical film has a haze of 0.1 to 1.0%. | ||
| 地址 | Tokyo-to JP | ||