Projection image display apparatus

Details Projection image display apparatus Projection image display apparatus

2005-04-26

2008-07-08

Rutledge, Della J. (Department: 2851)

Photocopying

Projection printing and copying cameras

Illumination systems or details

C353S097000

Reexamination Certificate

active

07397536

ABSTRACT:
A projection image display apparatus is equipped with a light shielding member for partially shielding the illumination light from the illuminating optical system so as to reduce the image brightness in a region where the intensity of the reflected light reflected between the on-light and off-light becomes strong, and making the intensity of the illumination light emitted to the respective mirror elements uneven.

REFERENCES:
patent: 7118227 (2006-10-01), Sannohe et al.
patent: 7126736 (2006-10-01), Itoh et al.
patent: 7182469 (2007-02-01), Dewald et al.
patent: 2005/0001997 (2005-01-01), Kawaai et al.
patent: 9-96867 (1997-04-01), None
patent: 9-98442 (1997-04-01), None
patent: 2003107396 (2003-04-01), None

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