Rear projection screen and rear projection display apparatus

Details Rear projection screen and rear projection display apparatus Rear projection screen and rear projection display apparatus

2006-06-13

2006-06-13

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S742000

Reexamination Certificate

active

07061676

ABSTRACT:
A rear projection screen for use in a rear projection display apparatus contains a Fresnel lens sheet, a horizontal lenticular lens sheet capable of horizontally refracting the incident light, and a vertical lenticular lens sheet capable of vertically refracting the incident light, in this order from the incident side of the incident light, in which the lens center of the Fresnel lens sheet is arranged upward with respect to the mechanical center of the screen, and, in relation to this arrangement, black stripes of the vertical lenticular lens sheet are shifted with respect to the vertical lenticular lens.

REFERENCES:
patent: 2618198 (1952-11-01), Luboshez
patent: 5513036 (1996-04-01), Watanabe et al.
patent: 6292295 (2001-09-01), Yamashita et al.
patent: 2002/0149846 (2002-10-01), Goto et al.
patent: 8-101459 (1996-04-01), None
Translation of JP8-101459, Derwent Machine-Assisted translation, Mar. 17, 2005.

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