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1. 发明申请

US20090002818A1 Rear Surface Projection Type Screen and Rear Surface Projection Type Display Device 审中-公开
标题翻译：后表面投影型屏幕和后表面投影型显示设备
公开(公告)号：US20090002818A1
公开(公告)日：2009-01-01
申请号：US11908236
申请日：2006-02-28
申请人： Hiroki Iwabu , Yoshihiro Kumagai , Youji Ono
发明人： Hiroki Iwabu , Yoshihiro Kumagai , Youji Ono
IPC分类号： G03B21/62
CPC分类号： G02B3/0068 , G02B3/0056 , G03B21/625
摘要： There are provided a rear projection screen and a rear projection display apparatus capable of achieving a large lenticular pitch Lp and a high pitch ratio Gp/Lp and suppressing moire. The rear projection screen includes a plurality of pixels with an outer edge having a rhombus shape inclined with respect to a horizontal direction and a vertical direction of a screen of the rear projection screen, and a lenticular lens sheet diffusing light emitted from a rear projection projector within a certain angle range. The plurality of pixels are arranged in such a way that their outer edges are adjacent to each other, a lens pitch Lp (mm) of the lenticular lens sheet satisfies Lp≧0.15, and a pitch ratio Gp/Lp of a pitch Gp (mm) of the pixels and the lens pitch Lp satisfies Gp/Lp≧1.0.
摘要翻译：提供了能够实现大的双凸透镜间距Lp和高节距比Gp / Lp并且抑制莫尔条纹的背投屏幕和后投影显示装置。背投影屏幕包括具有相对于背投影屏幕的屏幕的水平方向和垂直方向倾斜的菱形的外边缘的多个像素，以及从背投影投影仪发射的光漫射的双凸透镜片在一定角度范围内。多个像素被布置成使得它们的外边缘彼此相邻，双凸透镜片的透镜间距Lp（mm）满足Lp> = 0.15，并且间距Gp（P）的节距比Gp / Lp mm）和透镜间距Lp满足Gp / Lp> = 1.0。

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