发明授权
- 专利标题： Screen
- 专利标题（中）： 屏幕
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申请号： US12627738申请日： 2009-11-30
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公开(公告)号： US08023186B2公开(公告)日： 2011-09-20
- 发明人: Ryoji Katsuma , Akira Shinbo , Toshiaki Hashizume
- 申请人： Ryoji Katsuma , Akira Shinbo , Toshiaki Hashizume
- 申请人地址： JP Tokyo
- 专利权人： Seiko Epson Corporation
- 当前专利权人： Seiko Epson Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff & Berridge, PLC
- 优先权： JP2008-327226 20081224
- 主分类号： G03B21/60
- IPC分类号： G03B21/60
摘要：
A screen that reflects light from a projection apparatus to present a projected image includes: a screen substrate; and a plurality of spherical microlenses disposed on the front side of the screen substrate, wherein the microlenses are arranged along a predetermined first direction on the screen substrate to form lens rows, and adjacent microlenses in each of the lens rows have different radii of curvature.
公开/授权文献
- US20100157424A1 SCREEN 公开/授权日：2010-06-24