Projection system with optical filter

Details Projection system with optical filter Projection system with optical filter

2007-09-25

2007-09-25

Dowling, William C. (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C353S084000, C348S743000

Reexamination Certificate

active

10971257

ABSTRACT:
A projection system is disclosed that includes a light source, a spatial light modulator, and an optical filter. The light source is configured to generate a light beam having a spectral distribution spanning a set of primary colors. The spatial light modulator has an array of pixel elements. Each pixel element is configured to receive a portion of the light beam and to output a modulated light beam with a spectral peak defining one of the set of primary colors. The optical filter is configured to narrow the spectral peak.

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