Optics: image projectors – Composite projected image – Multicolor picture
Patent
1993-09-28
1996-04-30
Dowling, William C.
Optics: image projectors
Composite projected image
Multicolor picture
353 34, 353 20, G03B 2100
Patent
active
055129676
ABSTRACT:
Light pre-polarized in a particular plane is divided into a plurality of paths, where each path includes a reflecting mirror, a dichroic mirror and a liquid crystal display. The light in each display is selectively modulated and combined for projection purposes. The displays are rubbed in directions coordinate with the display peripheries to enhance the contrast of the light passing through the display.
REFERENCES:
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 5115305 (1992-05-01), Baur et al.
patent: 5200843 (1993-04-01), Karasawa et al.
patent: 5237435 (1993-08-01), Kurematsu et al.
patent: 5283599 (1994-02-01), Tejima et al.
Dowling William C.
Kleinke Bernard L.
Potts Jerry R.
Proxima Corporation
Scott Peter P.
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