Compact projection apparatus for generating high-quality images

Details Compact projection apparatus for generating high-quality images Compact projection apparatus for generating high-quality images

1995-12-15

1998-07-07

Burgess, Glenton B.

Television

Video display

Projection device

348744, 348758, 353 34, H04N 931

Patent

active

057776962

ABSTRACT:
The projection apparatus of the present invention includes a light source; a three-color separation means such as a cross dichroic prism or a cross dichroic mirror; three first polarization beam splitters; three spatial light modulators; three write image formation devices; and a projection optical system. The three-color separation means and the three first polarization beam splitters all lie in a single plane, and the three first polarization beam splitters are so arranged that a reflected light beam is emitted from each of the three first polarization beam splitters in the same direction.

REFERENCES:
patent: 5260815 (1993-11-01), Takizawa
patent: 5267029 (1993-11-01), Kurematsu et al.
patent: 5614962 (1997-03-01), Nagae et al.
patent: 5621486 (1997-04-01), Doany et al.
Japanese Abstract, Projection Type Display Device, 3-63690,.

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