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.
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 代理人
主权项
地址
您可能感兴趣的专利