Projector with a polarized light modulation unit

Details Projector with a polarized light modulation unit Projector with a polarized light modulation unit

2009-02-19

2011-12-20

Ko, Tony (Department: 2878)

Optics: image projectors

Polarizer or interference filter

C353S030000

Reexamination Certificate

active

08079712

ABSTRACT:
A projector includes a light source unit that emits coherent light, a spatial light modulation unit that modulates the coherent light emitted from the light source unit in accordance with an image signal, and a polarized light modulation unit having a plurality of modulating areas, each of which changing the polarization state of light. The plurality of modulating areas temporally and spatially change the polarization state of the light outputted from the spatial light modulation unit.

REFERENCES:
patent: 7370972 (2008-05-01), Morikawa et al.
patent: 06-208089 (1994-07-01), None

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