Video projector

Details Video projector Video projector

G - Physics

02

B

G02B 27/00 (2006.01) H04N 5/74 (2006.01) H04N 9/31 (2006.01)

Patent

CA 2171164

A video projector including a light source and a light valve for receiving light emitted from the light source. A first filter is disposed between the light source and the light valve. The first filter removes light having a bandwidth ranging from ultraviolet to a wavelength within the visible spectrum of light and infrared light from the light emitted from the light source. A second filter isdisposed between the first filter and the light valve. The second filter removes light having a bandwidth ranging from ultraviolet to a wavelength within the visible spectrum of light.

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