Rear projection screen with shifted lens

Details Rear projection screen with shifted lens Rear projection screen with shifted lens

2006-11-14

2006-11-14

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S460000, C359S453000, C359S456000

Reexamination Certificate

active

07136224

ABSTRACT:
An object of the invention is to provide a rear projection screen that has a high contrast and produces high-quality images. The object is achieved by a rear projection screen and rear projection display apparatus having the same. This rear projection screen contains a vertical lenticular lens sheet on the viewer side, and the vertical lenticular lens sheet includes a lenticular lens capable of vertically refracting the incident light on its incident surface, black stripes in the vicinity of the focus of the lenticular lens in portions where the incident light does not pass through, and a flat surface on its viewer side.

REFERENCES:
patent: 2618198 (1952-11-01), Luboshez
patent: 5066099 (1991-11-01), Yoshida et al.
patent: 5400114 (1995-03-01), Yoshida et al.
patent: 5485308 (1996-01-01), Hirata et al.
patent: 6292294 (2001-09-01), Takahashi et al.
patent: 6597502 (2003-07-01), Takahashi et al.
patent: 2002/0149846 (2002-10-01), Goto et al.
patent: 8-101459 (1996-04-01), None
patent: 9-120101 (1997-05-01), None
patent: 9-269546 (1997-10-01), None
patent: 11-295818 (1999-10-01), None
patent: 2002-107834 (2002-04-01), None
U.S. Appl. No. 10/769,914, filed Feb. 3, 2004, Kumagai et al.

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