Enhanced contrast projection screen

Details Enhanced contrast projection screen Enhanced contrast projection screen

2006-07-04

2006-07-04

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

C359S452000, C359S454000, C359S459000, C349S024000, C349S033000, C430S020000, C345S084000

Reexamination Certificate

active

07072108

ABSTRACT:
A projection screen is provided that includes a display surface having a plurality of elements. Each element has an optical property that is responsive to an appropriate applied voltage. The display surface may be configured so that the optical properties of each element may be coordinated with the projected image.

REFERENCES:
patent: 5625489 (1997-04-01), Glenn
patent: 6538814 (2003-03-01), Hunter et al.
patent: 6680579 (2004-01-01), Allen et al.
patent: 6853486 (2005-02-01), Cruz-Uribe et al.
patent: 2002/0196216 (2002-12-01), Tokuyo et al.

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