Fabrication method for rear-projection screen

Details Fabrication method for rear-projection screen Fabrication method for rear-projection screen

2007-11-13

2007-11-13

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

C359S456000, C359S457000

Reexamination Certificate

active

11013477

ABSTRACT:
A fabrication method for a rear-projection screen includes the steps of providing a light source and a lenticular lens sheet; projecting parallel light onto the lenticular portions of a lenticular lens sheet to make one surface of the lenticular lens sheet opposite to the lenticular portions have a plurality of bright and dark areas located thereon; detecting the locations of the bright and dark areas on the surface of the lenticular lens sheet opposite to the lenticular portions; and spreading an opaque material on all the dark areas.

REFERENCES:
patent: 6154247 (2000-11-01), Marino et al.
patent: 6594079 (2003-07-01), Trott et al.
patent: 7006231 (2006-02-01), Ostrovsky et al.
patent: 2004/0114229 (2004-06-01), Sakaguchi
patent: 2006/0001961 (2006-01-01), Gibilini

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