Viewing screen with enhanced contrast

Details Viewing screen with enhanced contrast Viewing screen with enhanced contrast

1982-03-10

1984-02-21

Wintercorn, Richard A.

G03B 2160

Patent

active

044326084

ABSTRACT:
A viewing screen, as for use in rear projection television and the like, is provided with enhanced contrast by selectively placing dark lines upon the viewer surface. The dark lines can be placed: orthogonal to lenticules in the viewer surface; in the grooves between, and forming, the lenticules; or both.

REFERENCES:
patent: 3523717 (1970-08-01), Glen, Jr.
patent: 4140370 (1979-02-01), Snaper et al.

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