Color projection system employing reflective display devices and

Details Color projection system employing reflective display devices and Color projection system employing reflective display devices and

1992-12-16

1995-05-30

Cuchlinski, Jr., William A.

Optics: image projectors

Composite projected image

Multicolor picture

353 34, 359833, G03B 2128

Patent

active

054206553

ABSTRACT:
In a color projection display system employing display devices operating in the reflective mode, the optical path lengths are considerably reduced by employing prism illuminators immediately adjacent the display devices to illuminate the reflective display surface and to spatially separate the incident and reflected illumination. Such color projection systems are easier to arrange and offer sufficient brightness to be useful in both home and commercial applications, such as movie theaters.

REFERENCES:
patent: 4638309 (1987-01-01), Ott
patent: 4680579 (1987-07-01), Ott
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 4912614 (1990-03-01), Goldenberg
patent: 4943155 (1990-07-01), Cross, Jr.
patent: 4969730 (1990-11-01), Van Den Brandt
patent: 4983032 (1991-01-01), Van Den Brandt

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