Projection screen for rear projection television set

Details Projection screen for rear projection television set Projection screen for rear projection television set

1996-07-25

1998-12-01

Malley, Daniel P.

Textiles: ironing or smoothing

359455, G02R 2700

Patent

active

058447156

ABSTRACT:
A projection screen for a rear projection television set includes a Fresnel lens for focusing incident image light so as to center on an optical axis of the projection screen, and an optical diffusion member including a lenticular lens portion for diffusing the image light received from the Fresnel lens, wherein the external surface of the optical diffusion member is made of glass. The projection screen provides a wider angle of view compared with the Fresnel lens made of acryl and is resistant to scratching or breakage.

REFERENCES:
patent: 4056395 (1977-11-01), Sato et al.
patent: 5276538 (1994-01-01), Monji et al.
patent: 5513037 (1996-04-01), Yoshida et al.

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