发明名称 |
OPTICAL LAYERED, POLARIZER, AND IMAGE DISPLAY DEVICE |
摘要 |
The present invention provides an optical layered body having excellent hardness, abrasion resistance, and flexibility. The present invention provides an optical layered body having a hard coat layer on one side of a triacetylcellulose substrate, wherein a Martens hardness (N1) of a surface of the hard coat layer, a Martens hardness (N2) of the center of the cross-section of the hard coat layer, and a Martens hardness (N3) of the center of the cross-section of the triacetylcellulose substrate have a relationship of N2>N1>N3 as determined by nanoindentation, and the hard coat layer has a pencil hardness of 4H or more as measured by a test in accordance with a pencil hardness test defined in JIS K5600-5-4 (1999) at a load of 4.9 N.
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申请公布号 |
US2013201556(A1) |
申请公布日期 |
2013.08.08 |
申请号 |
US201113814042 |
申请日期 |
2011.08.02 |
申请人 |
INOMATA YUYA;HORIO TOMOYUKI;NISHIZONO TAKESHI;YAMAMOTO KANA;DAI NIPPON PRINTING CO., LTD. |
发明人 |
INOMATA YUYA;HORIO TOMOYUKI;NISHIZONO TAKESHI;YAMAMOTO KANA |
分类号 |
G02B1/10 |
主分类号 |
G02B1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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