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21. 发明申请

WO2013130271A1 SHAPED REAR PROJECTION SCREEN WITH SHAPED FRESNEL LENS SHEET 审中-公开
标题翻译：具有形状的FRESNEL镜片的形状后投影屏幕
公开(公告)号：WO2013130271A1
公开(公告)日：2013-09-06
申请号：PCT/US2013/026021
申请日：2013-02-14
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： BIERNATH, Rolf W. , WEBER, Brian T.
IPC分类号： G03B21/56 , G02B26/08
CPC分类号： G03B21/606 , G03B21/625
摘要： A system for projecting content onto a shaped screen. The system includes a projector configured for projecting content having a particular shape and a rear projection screen with an optically active light redirecting film, such as Fresnel lenses, for receiving and displaying the projected content. The rear projection screen and the optically active light redirecting film each have a shape substantially conforming to the particular shape of the content. The optically active light redirecting film, such as a Fresnel lens sheet, provides for brightness uniformity and a wide view angle. The rear projection screen can include a turning film for displaying content received from the projector at an angle.
摘要翻译：用于将内容投影到成形屏幕上的系统。该系统包括投影仪，其被配置为用于投射具有特定形状的内容和具有用于接收和显示投影内容的光学有源光重定向膜（例如菲涅尔透镜）的背投影屏幕。背投影屏幕和光学活动光重定向膜各自具有基本符合内容的特定形状的形状。诸如菲涅耳透镜片的光学活动的光重定向膜提供亮度均匀性和宽的视角。背投屏幕可以包括用于以一定角度显示从投影仪接收的内容的转动胶片。

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