发明名称 |
Lenticular lens sheet and rear projection screen |
摘要 |
A lenticular lens sheet having an entrance surface and an exit surface comprises a base part, an entrance lens part forming the entrance surface and having an array of a plurality of convex lens elements capable of gathering light rays. A tinted layer is formed at least in a portion of the entrance lens part near the entrance surface. A light absorbing layer is formed in light-nongathering regions in the exit surface in which light rays refracted by the convex lens elements do not gather.
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申请公布号 |
US6762883(B2) |
申请公布日期 |
2004.07.13 |
申请号 |
US20010939648 |
申请日期 |
2001.08.28 |
申请人 |
DAI NIPPON PRINTING CO., LTD. |
发明人 |
YOSHIDA YOSHIKI;ODA KUMPEI;WATANABE HITOMU |
分类号 |
G03B21/62;(IPC1-7):G02B27/10 |
主分类号 |
G03B21/62 |
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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