Embeddable 2-D projection nano engine for personal projector

Details Embeddable 2-D projection nano engine for personal projector Embeddable 2-D projection nano engine for personal projector

2008-03-20

2011-12-20

Dowling, William C (Department: 2878)

Optics: image projectors

Plural

C349S086000

Reexamination Certificate

active

08079718

ABSTRACT:
A projector has a transmissive spatial light modulator backlit by a collimated illuminator that includes a light source that outputs red, green, blue (RGB) light, and a combiner disposed in light-receiving relation to the light source for mixing or combining the RGB light. The combiner has cavity features associated therewith for outputting collimated light, where such light preferably has a divergent cone angle less than plus or minus fifteen degrees (+/−15°).

REFERENCES:
patent: 6115152 (2000-09-01), Popovich et al.
patent: 6139156 (2000-10-01), Okamori et al.
patent: 6778228 (2004-08-01), Murakami et al.
patent: 2008/0165401 (2008-07-01), Kasazumi
patent: WO 2006090681 (2006-08-01), None

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