Projection display device

Details Projection display device Projection display device

2011-05-03

2011-05-03

Dowling, William C (Department: 2878)

Optics: image projectors

Composite projected image

Multicolor picture

C353S034000, C353S084000, C349S008000

Reexamination Certificate

active

07934837

ABSTRACT:
In a projection display device which includes a light source for outputting a light and a plurality of light modulating devices for modulating the light from the light source based on an input image signal, the projection display device comprises: a plurality of light quantity adjusting devices disposed on respective incidence sides of the light modulating devices and serving to adjust the quantity of light incident on the respective light modulating devices; and a controller unit for controlling the respective light quantity adjusting devices based on the input image signal.

REFERENCES:
patent: 6747708 (2004-06-01), Taniai et al.
patent: 6905216 (2005-06-01), Stanton et al.
patent: 6962415 (2005-11-01), Dubin et al.
patent: 7131735 (2006-11-01), Yokoyama
patent: 7226172 (2007-06-01), Robinson
patent: 2001/0052947 (2001-12-01), Taniai et al.
patent: 2006/0092346 (2006-05-01), Moon et al.
patent: 2009/0015796 (2009-01-01), Maeda et al.
patent: 2000-510961 (2000-08-01), None
patent: 2001-346219 (2001-12-01), None
patent: 2006-128125 (2006-05-01), None
patent: WO97/43862 (1997-11-01), None

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