Projection display screen that is light-reflective...

Details Projection display screen that is light-reflective... Projection display screen that is light-reflective...

2006-03-28

2006-03-28

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural reflecting areas

C359S578000, C359S452000, C349S033000, C345S087000

Reexamination Certificate

active

07019900

ABSTRACT:
A projection display screen that can electrically alter the reflectivity of a region of the projection display screen in response to the intensity of incident projected light that is applied at the region.

REFERENCES:
patent: 6597501 (2003-07-01), Lambert et al.
patent: 6853478 (2005-02-01), Vincent et al.
patent: 6853486 (2005-02-01), Cruz-Uribe et al.
patent: 2004/0012849 (2004-01-01), Cruz-Uribe et al.
patent: 1136874 (2001-09-01), None
patent: 1139158 (2001-10-01), None
patent: 1457963 (2004-09-01), None
International Search Report dated Jun. 9, 2005.

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