Illumination device and projector

Details Illumination device and projector Illumination device and projector

2011-01-11

2011-01-11

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Plural

Reexamination Certificate

active

07866830

ABSTRACT:
An illumination device includes: a light source section emitting coherent light; and a phase modulation section onto which the coherent light emitted from the light source section is incident, modulating the phase of the coherent light, forming a phase modulation pattern, varying the phase of the coherent light while generating a diffracted light in accordance with the phase modulation pattern, thereby scanning the light onto at least a part of a region of a projection surface.

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